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-rw-r--r--src/H5.c1
-rw-r--r--src/H5AC.c1
-rw-r--r--src/H5ACprivate.h3
-rw-r--r--src/H5Cpkg.h2
-rw-r--r--src/H5D.c2
-rw-r--r--src/H5Edefin.h1
-rw-r--r--src/H5Einit.h5
-rw-r--r--src/H5Epubgen.h2
-rw-r--r--src/H5Eterm.h1
-rw-r--r--src/H5F.c8
-rw-r--r--src/H5FDpublic.h12
-rw-r--r--src/H5FS.c1887
-rw-r--r--src/H5FScache.c426
-rw-r--r--src/H5FSdbg.c231
-rw-r--r--src/H5FSpkg.h127
-rw-r--r--src/H5FSprivate.h120
-rw-r--r--src/H5FSpublic.h53
-rw-r--r--src/H5HF.c67
-rw-r--r--src/H5HFcache.c118
-rw-r--r--src/H5HFdbg.c330
-rw-r--r--src/H5HFdblock.c447
-rw-r--r--src/H5HFflist.c614
-rw-r--r--src/H5HFhdr.c100
-rw-r--r--src/H5HFiblock.c691
-rw-r--r--src/H5HFint.c465
-rw-r--r--src/H5HFiter.c2
-rw-r--r--src/H5HFpkg.h189
-rw-r--r--src/H5HFprivate.h11
-rw-r--r--src/H5HFsection.c595
-rw-r--r--src/H5HFspace.c291
-rw-r--r--src/H5HFtest.c31
-rw-r--r--src/H5err.txt1
-rw-r--r--src/H5private.h1
-rwxr-xr-xsrc/Makefile.am6
-rw-r--r--src/Makefile.in50
35 files changed, 4773 insertions, 2118 deletions
diff --git a/src/H5.c b/src/H5.c
index 47d57aa..9b052d1 100644
--- a/src/H5.c
+++ b/src/H5.c
@@ -231,6 +231,7 @@ H5_term_library(void)
* that depend on them. -QAK
*/
if(pending==0) {
+ pending += DOWN(FS);
pending += DOWN(AC);
pending += DOWN(Z);
pending += DOWN(FD);
diff --git a/src/H5AC.c b/src/H5AC.c
index b409d34..0755566 100644
--- a/src/H5AC.c
+++ b/src/H5AC.c
@@ -482,6 +482,7 @@ static const char * H5AC_entry_type_names[H5AC_NTYPES] =
"fractal heap headers",
"fractal heap direct blocks",
"fractal heap indirect blocks",
+ "free space headers",
"test entry" /* for testing only -- not used for actual files */
};
diff --git a/src/H5ACprivate.h b/src/H5ACprivate.h
index 6234a5e..6638be4 100644
--- a/src/H5ACprivate.h
+++ b/src/H5ACprivate.h
@@ -49,10 +49,11 @@ typedef enum {
H5AC_BT2_HDR_ID, /*v2 B-tree header */
H5AC_BT2_INT_ID, /*v2 B-tree internal node */
H5AC_BT2_LEAF_ID, /*v2 B-tree leaf node */
- H5AC_TEST_ID, /*test entry -- not used for actual files */
H5AC_FHEAP_HDR_ID, /*fractal heap header */
H5AC_FHEAP_DBLOCK_ID, /*fractal heap direct block */
H5AC_FHEAP_IBLOCK_ID, /*fractal heap indirect block */
+ H5AC_FSPACE_HDR_ID, /*free space header */
+ H5AC_TEST_ID, /*test entry -- not used for actual files */
H5AC_NTYPES /* Number of types, must be last */
} H5AC_type_t;
diff --git a/src/H5Cpkg.h b/src/H5Cpkg.h
index 8d9a5a6..12fcfe5 100644
--- a/src/H5Cpkg.h
+++ b/src/H5Cpkg.h
@@ -695,7 +695,7 @@
****************************************************************************/
#define H5C__H5C_T_MAGIC 0x005CAC0E
-#define H5C__MAX_NUM_TYPE_IDS 12
+#define H5C__MAX_NUM_TYPE_IDS 13
#define H5C__PREFIX_LEN 32
struct H5C_t
diff --git a/src/H5D.c b/src/H5D.c
index 3222b66..5c4591d 100644
--- a/src/H5D.c
+++ b/src/H5D.c
@@ -4034,7 +4034,7 @@ H5D_flush(const H5F_t *f, hid_t dxpl_id, unsigned flags)
/* Check args */
assert(f);
- /* Update layout message for compact dataset */
+ /* Retrieve the # of outstanding dataset IDs */
num_dsets=H5F_get_obj_count(f, H5F_OBJ_DATASET);
/* Check for something to do */
diff --git a/src/H5Edefin.h b/src/H5Edefin.h
index 75dc2ce..f5bcbcf 100644
--- a/src/H5Edefin.h
+++ b/src/H5Edefin.h
@@ -46,6 +46,7 @@ hid_t H5E_TST_g = FAIL; /* Ternary Search Trees */
hid_t H5E_ARGS_g = FAIL; /* Invalid arguments to routine */
hid_t H5E_ERROR_g = FAIL; /* Error API */
hid_t H5E_PLINE_g = FAIL; /* Data filters */
+hid_t H5E_FSPACE_g = FAIL; /* File Free Space */
hid_t H5E_CACHE_g = FAIL; /* Object cache */
/* Minor error IDs */
diff --git a/src/H5Einit.h b/src/H5Einit.h
index ee1a5cf..72d581c 100644
--- a/src/H5Einit.h
+++ b/src/H5Einit.h
@@ -153,6 +153,11 @@ if((msg = H5E_create_msg(cls, H5E_MAJOR, "Data filters"))==NULL)
HGOTO_ERROR(H5E_ERROR, H5E_CANTINIT, FAIL, "error message initialization failed")
if((H5E_PLINE_g = H5I_register(H5I_ERROR_MSG, msg))<0)
HGOTO_ERROR(H5E_ERROR, H5E_CANTREGISTER, FAIL, "can't register error message")
+assert(H5E_FSPACE_g==(-1));
+if((msg = H5E_create_msg(cls, H5E_MAJOR, "File Free Space"))==NULL)
+ HGOTO_ERROR(H5E_ERROR, H5E_CANTINIT, FAIL, "error message initialization failed")
+if((H5E_FSPACE_g = H5I_register(H5I_ERROR_MSG, msg))<0)
+ HGOTO_ERROR(H5E_ERROR, H5E_CANTREGISTER, FAIL, "can't register error message")
assert(H5E_CACHE_g==(-1));
if((msg = H5E_create_msg(cls, H5E_MAJOR, "Object cache"))==NULL)
HGOTO_ERROR(H5E_ERROR, H5E_CANTINIT, FAIL, "error message initialization failed")
diff --git a/src/H5Epubgen.h b/src/H5Epubgen.h
index a05e5ed..001346f 100644
--- a/src/H5Epubgen.h
+++ b/src/H5Epubgen.h
@@ -49,6 +49,7 @@
#define H5E_ARGS (H5OPEN H5E_ARGS_g)
#define H5E_ERROR (H5OPEN H5E_ERROR_g)
#define H5E_PLINE (H5OPEN H5E_PLINE_g)
+#define H5E_FSPACE (H5OPEN H5E_FSPACE_g)
#define H5E_CACHE (H5OPEN H5E_CACHE_g)
H5_DLLVAR hid_t H5E_DATASET_g; /* Dataset */
H5_DLLVAR hid_t H5E_FUNC_g; /* Function entry/exit */
@@ -76,6 +77,7 @@ H5_DLLVAR hid_t H5E_TST_g; /* Ternary Search Trees */
H5_DLLVAR hid_t H5E_ARGS_g; /* Invalid arguments to routine */
H5_DLLVAR hid_t H5E_ERROR_g; /* Error API */
H5_DLLVAR hid_t H5E_PLINE_g; /* Data filters */
+H5_DLLVAR hid_t H5E_FSPACE_g; /* File Free Space */
H5_DLLVAR hid_t H5E_CACHE_g; /* Object cache */
/*********************/
diff --git a/src/H5Eterm.h b/src/H5Eterm.h
index f2968f1..1b28d16 100644
--- a/src/H5Eterm.h
+++ b/src/H5Eterm.h
@@ -47,6 +47,7 @@ H5E_TST_g=
H5E_ARGS_g=
H5E_ERROR_g=
H5E_PLINE_g=
+H5E_FSPACE_g=
H5E_CACHE_g= (-1);
/* Reset minor error IDs */
diff --git a/src/H5F.c b/src/H5F.c
index dede8f2..0d80e51 100644
--- a/src/H5F.c
+++ b/src/H5F.c
@@ -27,6 +27,7 @@
#include "H5Fpkg.h" /* File access */
#include "H5FDprivate.h" /* File drivers */
#include "H5FLprivate.h" /* Free lists */
+#include "H5FSprivate.h" /* File free space */
#include "H5Gprivate.h" /* Groups */
#include "H5Iprivate.h" /* IDs */
#include "H5MMprivate.h" /* Memory management */
@@ -2332,6 +2333,13 @@ H5F_flush(H5F_t *f, hid_t dxpl_id, H5F_scope_t scope, unsigned flags)
if (H5F_flush(f->mtab.child[i].file, dxpl_id, scope, flags) < 0)
nerrors++;
+ /* Flush any cached free space info */
+ /* (Make certain that this is before the metadata cache flush, so the
+ * updated free space info in the metadata cache gets flushed out to disk)
+ */
+ if (H5FS_flush(f, dxpl_id, flags) < 0)
+ HGOTO_ERROR(H5E_CACHE, H5E_CANTFLUSH, FAIL, "unable to flush free space info")
+
/* Flush any cached dataset storage raw data */
if (H5D_flush(f, dxpl_id, flags) < 0)
HGOTO_ERROR(H5E_CACHE, H5E_CANTFLUSH, FAIL, "unable to flush dataset cache")
diff --git a/src/H5FDpublic.h b/src/H5FDpublic.h
index cbfedba..3ba7275 100644
--- a/src/H5FDpublic.h
+++ b/src/H5FDpublic.h
@@ -59,6 +59,18 @@ typedef enum H5FD_mem_t {
#define H5FD_MEM_FHEAP_IBLOCK H5FD_MEM_OHDR
#define H5FD_MEM_FHEAP_DBLOCK H5FD_MEM_LHEAP
+/* Map "free space" header blocks to 'ohdr' type file memory, since its
+ * a fair amount of work to add a new kind of file memory and they are similar
+ * enough to object headers and probably too minor to deserve their own type.
+ *
+ * Map "free space" serialized sections to 'lheap' type file memory, since they
+ * are similar enough to local heap info.
+ *
+ * -QAK
+ */
+#define H5FD_MEM_FSPACE_HDR H5FD_MEM_OHDR
+#define H5FD_MEM_FSPACE_SECTS H5FD_MEM_LHEAP
+
/*
* A free-list map which maps all types of allocation requests to a single
* free list. This is useful for drivers that don't really care about
diff --git a/src/H5FS.c b/src/H5FS.c
new file mode 100644
index 0000000..7ed766f
--- /dev/null
+++ b/src/H5FS.c
@@ -0,0 +1,1887 @@
+/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
+ * Copyright by the Board of Trustees of the University of Illinois. *
+ * All rights reserved. *
+ * *
+ * This file is part of HDF5. The full HDF5 copyright notice, including *
+ * terms governing use, modification, and redistribution, is contained in *
+ * the files COPYING and Copyright.html. COPYING can be found at the root *
+ * of the source code distribution tree; Copyright.html can be found at the *
+ * root level of an installed copy of the electronic HDF5 document set and *
+ * is linked from the top-level documents page. It can also be found at *
+ * http://hdf.ncsa.uiuc.edu/HDF5/doc/Copyright.html. If you do not have *
+ * access to either file, you may request a copy from hdfhelp@ncsa.uiuc.edu. *
+ * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
+
+/* Programmer: Quincey Koziol <koziol@ncsa.uiuc.edu>
+ * Tuesday, May 2, 2006
+ *
+ * Purpose: File free space functions.
+ *
+ * Note: (Used to be in the H5HFflist.c file, prior to the date above)
+ *
+ */
+
+/****************/
+/* Module Setup */
+/****************/
+
+#define H5FS_PACKAGE /*suppress error about including H5FSpkg */
+
+/* Interface initialization */
+#define H5_INTERFACE_INIT_FUNC H5FS_init_interface
+
+/***********/
+/* Headers */
+/***********/
+#include "H5private.h" /* Generic Functions */
+#include "H5Eprivate.h" /* Error handling */
+#include "H5FSpkg.h" /* File free space */
+#include "H5MFprivate.h" /* File memory management */
+#include "H5Vprivate.h" /* Vectors and arrays */
+
+/****************/
+/* Local Macros */
+/****************/
+
+/* File free space format version #'s */
+#define H5FS_SECTS_VERSION 0 /* Serialized sections */
+
+/* Default starting size of section buffer */
+#define H5FS_SECT_SIZE_DEFAULT 64
+
+/* Max. height of the skip list holding free list nodes */
+#define H5FS_DEFAULT_SKIPLIST_HEIGHT 16
+
+/* Size of the free space serialized sections on disk */
+#define H5FS_SECTS_PREFIX_SIZE(f) ( \
+ /* General metadata fields */ \
+ H5FS_METADATA_PREFIX_SIZE \
+ \
+ /* Free space serialized sections specific fields */ \
+ + H5F_SIZEOF_ADDR(f) /* Address of free space header for these sections */ \
+ )
+
+/******************/
+/* Local Typedefs */
+/******************/
+
+/* Free space node for free space sections of the same size */
+typedef struct H5FS_node_t {
+ hsize_t sect_size; /* Size of all sections on list */
+ H5SL_t *sect_list; /* Skip list to hold pointers to actual free list section node */
+} H5FS_node_t;
+
+/* Free space section bin info */
+typedef struct H5FS_bin_t {
+ size_t sect_count; /* Total # of sections in this bin */
+ H5SL_t *bin_list; /* Skip list of differently sized sections */
+} H5FS_bin_t;
+
+/* User data for skip list iterator callback for syncing section info */
+typedef struct {
+ H5F_t *f; /* Pointer to the file */
+ hid_t dxpl_id; /* Dataset transfer property list */
+} H5FS_iter_ud1_t;
+
+/* User data for skip list iterator callback for iterating over section size nodes when syncing */
+typedef struct {
+ H5FS_t *fspace; /* Free space manager info */
+ uint8_t **p; /* Pointer to address of buffer pointer to serialize with */
+ unsigned sect_cnt_size; /* # of bytes to encode section size counts in */
+} H5FS_iter_ud2_t;
+
+/* User data for skip list iterator callback for iterating over section size nodes */
+typedef struct {
+ H5FS_t *fspace; /* Free space manager info */
+ H5FS_operator_t op; /* Operator for the iteration */
+ void *op_data; /* Information to pass to the operator */
+} H5FS_iter_ud3_t;
+
+
+/********************/
+/* Package Typedefs */
+/********************/
+
+/* Main free space info */
+struct H5FS_t {
+ /* Stored values (from header) */
+ H5FS_hdr_t *hdr; /* Pointer to header info */
+
+ /* Computed/cached values */
+ haddr_t addr; /* Address of free space header on disk */
+ unsigned nbins; /* Number of bins */
+ size_t serial_size; /* Total serialized size of all section nodes */
+ size_t size_count; /* Number of differently sized sections */
+ unsigned sect_prefix_size; /* Size of the section serialization prefix (in bytes) */
+ unsigned sect_off_size; /* Size of a section offset (in bytes) */
+ unsigned sect_len_size; /* Size of a section length (in bytes) */
+ hbool_t using_bins; /* Flag to indicate that all nodes are in the bins */
+ hbool_t dirty; /* Space information is dirty */
+
+ /* Memory data structures (not stored directly) */
+ H5FS_section_class_t *sect_cls; /* Array of section classes for this free list */
+ H5FS_section_info_t *single; /* Section information when free list has only one free section */
+ H5SL_operator_t node_free_op; /* Callback for freeing nodes when free list is destroyed */
+ H5FS_bin_t *bins; /* Array of lists of lists of free sections */
+};
+
+
+/********************/
+/* Local Prototypes */
+/********************/
+static herr_t H5FS_open_add(H5FS_t *fspace);
+static herr_t H5FS_open_remove(H5FS_t *fspace);
+static herr_t H5FS_init(H5FS_t *fspace);
+static herr_t H5FS_node_free_cb(void *item, void *key, void *op_data);
+static herr_t H5FS_sect_increase(H5F_t *f, hid_t dxpl_id, H5FS_t *fspace);
+static herr_t H5FS_sect_decrease(H5F_t *f, hid_t dxpl_id, H5FS_t *fspace);
+static herr_t H5FS_add_bin_node(H5FS_t *fspace, H5FS_section_info_t *node);
+static htri_t H5FS_find_bin_node(H5FS_t *fspace, hsize_t request, H5FS_section_info_t **node);
+static herr_t H5FS_serialize_sect_cb(void *_item, void UNUSED *key, void *_udata);
+static herr_t H5FS_serialize_node_cb(void *_item, void UNUSED *key, void *_udata);
+static size_t H5FS_serialize_size(H5FS_t *fspace);
+static herr_t H5FS_serialize_bins(H5F_t *f, hid_t dxpl_id, H5FS_t *fspace);
+static herr_t H5FS_deserialize_bins(H5F_t *f, hid_t dxpl_id, H5FS_t *fspace);
+static herr_t H5FS_flush_cb(void *_item, void *key, void *_udata);
+
+
+/*********************/
+/* Package Variables */
+/*********************/
+
+/* Declare a free list to manage the H5FS_section_class_t sequence information */
+H5FL_SEQ_DEFINE(H5FS_section_class_t);
+
+/* Declare a free list to manage the H5FS_hdr_t struct */
+H5FL_DEFINE(H5FS_hdr_t);
+
+
+/*****************************/
+/* Library Private Variables */
+/*****************************/
+
+
+/*******************/
+/* Local Variables */
+/*******************/
+
+/* Skip list to track open free space managers */
+H5SL_t *H5FS_open_g = NULL;
+
+/* Declare a free list to manage the H5FS_t struct */
+H5FL_DEFINE_STATIC(H5FS_t);
+
+/* Declare a free list to manage the H5FS_node_t struct */
+H5FL_DEFINE_STATIC(H5FS_node_t);
+
+/* Declare a free list to manage the H5FS_bin_t sequence information */
+H5FL_SEQ_DEFINE_STATIC(H5FS_bin_t);
+
+/* Declare a free list to manage free space section data to/from disk */
+H5FL_BLK_DEFINE_STATIC(sect_block);
+
+
+
+/*-------------------------------------------------------------------------
+ * Function: H5FS_init_interface
+ *
+ * Purpose: Initialize static free space memory structures
+ *
+ * Return: Success: non-negative
+ *
+ * Failure: negative
+ *
+ * Programmer: Quincey Koziol
+ * Monday, May 8, 2006
+ *
+ *-------------------------------------------------------------------------
+ */
+static herr_t
+H5FS_init_interface(void)
+{
+ herr_t ret_value = SUCCEED; /* Return value */
+
+ FUNC_ENTER_NOAPI_NOINIT(H5FS_init_interface)
+
+ /* Create the skip list to track open free space managers */
+ HDassert(H5FS_open_g == NULL);
+ if(NULL == (H5FS_open_g = H5SL_create(H5SL_TYPE_HADDR, 0.5, H5FS_DEFAULT_SKIPLIST_HEIGHT)))
+ HGOTO_ERROR(H5E_FSPACE, H5E_CANTCREATE, FAIL, "can't create skip list for tracking open free space managers")
+
+done:
+ FUNC_LEAVE_NOAPI(ret_value)
+} /* H5FS_init_interface() */
+
+
+/*-------------------------------------------------------------------------
+ * Function: H5FS_term_interface
+ *
+ * Purpose: Terminate this interface.
+ *
+ * Return: Success: Positive if anything was done that might
+ * affect other interfaces; zero otherwise.
+ *
+ * Failure: Negative.
+ *
+ * Programmer: Quincey Koziol
+ * Monday, May 8, 2006
+ *
+ *-------------------------------------------------------------------------
+ */
+int
+H5FS_term_interface(void)
+{
+ FUNC_ENTER_NOAPI_NOINIT_NOFUNC(H5FS_term_interface)
+
+ if(H5_interface_initialize_g) {
+ /* Release the open free space manager list */
+ HDassert(H5FS_open_g);
+
+ /* All the free space managers should be shut down by now */
+ HDassert(H5SL_count(H5FS_open_g) == 0);
+
+ /* Close the skip list to track the open free space managers */
+ H5SL_close(H5FS_open_g);
+ H5FS_open_g = NULL;
+
+ /* Interface has been shut down */
+ H5_interface_initialize_g = 0;
+ } /* end if */
+
+ FUNC_LEAVE_NOAPI(0)
+} /* end H5FS_term_interface() */
+
+
+/*-------------------------------------------------------------------------
+ * Function: H5FS_open_add
+ *
+ * Purpose: Add a free space manager to the list of open ones
+ *
+ * Return: Success: non-negative
+ *
+ * Failure: negative
+ *
+ * Programmer: Quincey Koziol
+ * Monday, May 8, 2006
+ *
+ *-------------------------------------------------------------------------
+ */
+static herr_t
+H5FS_open_add(H5FS_t *fspace)
+{
+ herr_t ret_value = SUCCEED; /* Return value */
+
+ FUNC_ENTER_NOAPI_NOINIT(H5FS_open_add)
+
+ /* Check arguments. */
+ HDassert(fspace);
+
+ /* Add the free space manager to the list of open managers */
+ if(H5SL_insert(H5FS_open_g, fspace, &fspace->addr) < 0)
+ HGOTO_ERROR(H5E_FSPACE, H5E_CANTINSERT, FAIL, "can't insert free space manager into skip list")
+
+done:
+ FUNC_LEAVE_NOAPI(ret_value)
+} /* H5FS_open_add() */
+
+
+/*-------------------------------------------------------------------------
+ * Function: H5FS_open_remove
+ *
+ * Purpose: Remove a free space manager from the list of open ones
+ *
+ * Return: Success: non-negative
+ *
+ * Failure: negative
+ *
+ * Programmer: Quincey Koziol
+ * Monday, May 8, 2006
+ *
+ *-------------------------------------------------------------------------
+ */
+static herr_t
+H5FS_open_remove(H5FS_t *fspace)
+{
+ herr_t ret_value = SUCCEED; /* Return value */
+
+ FUNC_ENTER_NOAPI_NOINIT(H5FS_open_remove)
+
+ /* Check arguments. */
+ HDassert(fspace);
+
+ /* Remove the free space manager from the list of open managers */
+ if(NULL == H5SL_remove(H5FS_open_g, &fspace->addr))
+ HGOTO_ERROR(H5E_FSPACE, H5E_CANTDELETE, FAIL, "can't remove free space manager from skip list")
+
+done:
+ FUNC_LEAVE_NOAPI(ret_value)
+} /* H5FS_open_remove() */
+
+
+/*-------------------------------------------------------------------------
+ * Function: H5FS_init
+ *
+ * Purpose: Initialize free space memory structures
+ *
+ * Return: Success: non-negative
+ *
+ * Failure: negative
+ *
+ * Programmer: Quincey Koziol
+ * Tuesday, April 18, 2006
+ *
+ *-------------------------------------------------------------------------
+ */
+static herr_t
+H5FS_init(H5FS_t *fspace)
+{
+ FUNC_ENTER_NOAPI_NOINIT_NOFUNC(H5FS_init)
+
+ /* Check arguments. */
+ HDassert(fspace);
+
+ /* Initialize free space memory structures */
+ fspace->single = NULL;
+ fspace->bins = NULL;
+ fspace->using_bins = FALSE;
+ fspace->serial_size = 0;
+ fspace->size_count = 0;
+
+ FUNC_LEAVE_NOAPI(SUCCEED)
+} /* H5FS_init() */
+
+
+/*-------------------------------------------------------------------------
+ * Function: H5FS_create
+ *
+ * Purpose: Allocate & initialize file free space info
+ *
+ * Return: Success: Pointer to free space structure
+ *
+ * Failure: NULL
+ *
+ * Programmer: Quincey Koziol
+ * Tuesday, March 7, 2006
+ *
+ *-------------------------------------------------------------------------
+ */
+H5FS_t *
+H5FS_create(H5F_t *f, hid_t dxpl_id, haddr_t *fs_addr, const H5FS_create_t *fs_create,
+ H5SL_operator_t node_free_op, size_t nclasses,
+ H5FS_section_class_t *classes, const void *cls_init_udata)
+{
+ H5FS_t *fspace = NULL; /* New free space structure */
+ H5FS_hdr_t *fs_hdr = NULL; /* New free space header */
+ size_t u; /* Local index variable */
+ H5FS_t *ret_value; /* Return value */
+
+ FUNC_ENTER_NOAPI(H5FS_create, NULL)
+
+ /* Check arguments. */
+ HDassert(fs_addr);
+ HDassert(fs_create->shrink_percent);
+ HDassert(fs_create->shrink_percent < fs_create->expand_percent);
+ HDassert(fs_create->max_sect_size);
+ HDassert(nclasses == 0 || classes);
+
+ /*
+ * Allocate free space structure
+ */
+ if(NULL == (fspace = H5FL_CALLOC(H5FS_t)))
+ HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, NULL, "memory allocation failed for free space free list")
+
+ /* Set immutable free list parameters */
+ fspace->node_free_op = node_free_op;
+ fspace->sect_cls = classes;
+
+ /* Initialize the section classes for this free space list */
+ for(u = 0; u < nclasses; u++) {
+ /* Call the class initialization routine, if there is one */
+ if(fspace->sect_cls[u].init)
+ if((fspace->sect_cls[u].init)(&fspace->sect_cls[u], cls_init_udata) < 0)
+ HGOTO_ERROR(H5E_RESOURCE, H5E_CANTINIT, NULL, "unable to initialize section class")
+ } /* end for */
+
+ /* Allocate space for the free space header */
+ if(HADDR_UNDEF == (fspace->addr = H5MF_alloc(f, H5FD_MEM_FSPACE_HDR, dxpl_id, (hsize_t)H5FS_HEADER_SIZE(f))))
+ HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, NULL, "file allocation failed for free space header")
+ *fs_addr = fspace->addr;
+
+ /* Construct the free space header */
+ if(NULL == (fs_hdr = H5FL_MALLOC(H5FS_hdr_t)))
+ HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, NULL, "memory allocation failed")
+ HDmemset(&fs_hdr->cache_info, 0, sizeof(H5AC_info_t));
+
+ /* Initialize information for header */
+ fs_hdr->tot_space = 0;
+ fs_hdr->sect_count = 0;
+ fs_hdr->nclasses = nclasses;
+ fs_hdr->client = fs_create->client;
+ fs_hdr->shrink_percent = fs_create->shrink_percent;
+ fs_hdr->expand_percent = fs_create->expand_percent;
+ fs_hdr->max_sect_addr = fs_create->max_sect_addr;
+ fs_hdr->max_sect_size = fs_create->max_sect_size;
+
+ /* Allocate space for the free space sections */
+ fs_hdr->alloc_sect_size = H5FS_SECT_SIZE_DEFAULT;
+#ifdef QAK
+HDfprintf(stderr, "%s: fs_hdr->alloc_sect_size = %Hu\n", FUNC, fs_hdr->alloc_sect_size);
+#endif /* QAK */
+ if(HADDR_UNDEF == (fs_hdr->sect_addr = H5MF_alloc(f, H5FD_MEM_FSPACE_SECTS, dxpl_id, fs_hdr->alloc_sect_size)))
+ HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, NULL, "file allocation failed for free space sections")
+
+ /* Cache the new free space header */
+ if(H5AC_set(f, dxpl_id, H5AC_FSPACE_HDR, fspace->addr, fs_hdr, H5AC__NO_FLAGS_SET) < 0)
+ HGOTO_ERROR(H5E_FSPACE, H5E_CANTINIT, NULL, "can't add free space header to cache")
+ fs_hdr = NULL;
+
+ /* Lock the free space header into memory */
+ if(NULL == (fs_hdr = H5AC_protect(f, dxpl_id, H5AC_FSPACE_HDR, fspace->addr, NULL, NULL, H5AC_WRITE)))
+ HGOTO_ERROR(H5E_FSPACE, H5E_CANTPROTECT, NULL, "unable to load free space header")
+
+ /* Point free space wrapper at header and pin it in the cache */
+ fspace->hdr = fs_hdr;
+ if(H5AC_pin_protected_entry(f, fs_hdr) < 0)
+ HGOTO_ERROR(H5E_FSPACE, H5E_CANTPIN, NULL, "unable to pin free space header")
+
+ /* Unlock free space header, now pinned */
+ if(H5AC_unprotect(f, dxpl_id, H5AC_FSPACE_HDR, fspace->addr, fs_hdr, H5AC__NO_FLAGS_SET) < 0)
+ HGOTO_ERROR(H5E_FSPACE, H5E_CANTUNPROTECT, NULL, "unable to release free space header")
+ fs_hdr = NULL;
+
+ /* Set modifiable free space parameters */
+ fspace->nbins = H5V_log2_gen(fspace->hdr->max_sect_size);
+ fspace->sect_prefix_size = H5FS_SECTS_PREFIX_SIZE(f);
+ fspace->sect_off_size = (fspace->hdr->max_sect_addr + 7) / 8;
+ fspace->sect_len_size = (H5V_log2_gen(fspace->hdr->max_sect_size) + 7) / 8;
+ H5FS_init(fspace);
+#ifdef QAK
+HDfprintf(stderr, "%s: fspace->nbins = %u\n", FUNC, fspace->nbins);
+HDfprintf(stderr, "%s: fspace->sect_off_size = %u, fspace->sect_len_size = %u\n", FUNC, fspace->sect_off_size, fspace->sect_len_size);
+#endif /* QAK */
+
+ /* Set current space used for free space sections (for no sections) */
+ fspace->hdr->sect_size = H5FS_serialize_size(fspace);
+#ifdef QAK
+HDfprintf(stderr, "%s: fspace->hdr->sect_size = %Hu\n", FUNC, fspace->hdr->sect_size);
+#endif /* QAK */
+
+ /* Flag the free space as dirty */
+ fspace->dirty = TRUE;
+
+ /* Add the free space manager to the list of open free space managers */
+ if(H5FS_open_add(fspace) < 0)
+ HGOTO_ERROR(H5E_FSPACE, H5E_CANTINIT, NULL, "can't add free space header to open list")
+
+ /* Set return value */
+ ret_value = fspace;
+
+done:
+ if(!ret_value) {
+ if(fspace)
+ if(H5FS_close(f, dxpl_id, fspace) < 0)
+ HDONE_ERROR(H5E_RESOURCE, H5E_CANTINIT, NULL, "unable to release free space info")
+ } /* end if */
+
+ FUNC_LEAVE_NOAPI(ret_value)
+} /* H5FS_create() */
+
+
+/*-------------------------------------------------------------------------
+ * Function: H5FS_open
+ *
+ * Purpose: Open an existing file free space info structure on disk
+ *
+ * Return: Success: Pointer to free space structure
+ *
+ * Failure: NULL
+ *
+ * Programmer: Quincey Koziol
+ * Tuesday, May 2, 2006
+ *
+ *-------------------------------------------------------------------------
+ */
+H5FS_t *
+H5FS_open(H5F_t *f, hid_t dxpl_id, haddr_t fs_addr, H5SL_operator_t node_free_op,
+ size_t nclasses, H5FS_section_class_t *classes, const void *cls_init_udata)
+{
+ H5FS_hdr_t *fs_hdr = NULL; /* Free space header loaded from file */
+ H5FS_t *fspace = NULL; /* New free space structure */
+ size_t u; /* Local index variable */
+ H5FS_t *ret_value; /* Return value */
+
+ FUNC_ENTER_NOAPI(H5FS_open, NULL)
+#ifdef QAK
+HDfprintf(stderr, "%s: Opening free space manager\n", FUNC);
+#endif /* QAK */
+
+ /* Check arguments. */
+ HDassert(H5F_addr_defined(fs_addr));
+ HDassert(nclasses == 0 || classes);
+
+ /* Allocate free space structure */
+ if(NULL == (fspace = H5FL_MALLOC(H5FS_t)))
+ HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, NULL, "memory allocation failed for free space free list")
+
+ /* Protect the free space header */
+ if(NULL == (fs_hdr = H5AC_protect(f, dxpl_id, H5AC_FSPACE_HDR, fs_addr, NULL, NULL, H5AC_READ)))
+ HGOTO_ERROR(H5E_FSPACE, H5E_CANTPROTECT, NULL, "unable to protect free space header")
+
+ /* Point free space wrapper at header and pin it in the cache */
+ fspace->hdr = fs_hdr;
+ if(H5AC_pin_protected_entry(f, fs_hdr) < 0)
+ HGOTO_ERROR(H5E_FSPACE, H5E_CANTPIN, NULL, "unable to pin free space header")
+
+ /* Release the free space header */
+ if(H5AC_unprotect(f, dxpl_id, H5AC_FSPACE_HDR, fs_addr, fs_hdr, H5AC__NO_FLAGS_SET) < 0)
+ HGOTO_ERROR(H5E_FSPACE, H5E_CANTUNPROTECT, NULL, "unable to release free space header")
+ fs_hdr = NULL;
+
+ /* Set immutable free list parameters */
+ fspace->addr = fs_addr;
+ fspace->node_free_op = node_free_op;
+ HDassert(fspace->hdr->nclasses == nclasses);
+ fspace->sect_cls = classes;
+
+ /* Initialize the section classes for this free space list */
+ for(u = 0; u < nclasses; u++) {
+ /* Call the class initialization routine, if there is one */
+ if(fspace->sect_cls[u].init)
+ if((fspace->sect_cls[u].init)(&fspace->sect_cls[u], cls_init_udata) < 0)
+ HGOTO_ERROR(H5E_RESOURCE, H5E_CANTINIT, NULL, "unable to initialize section class")
+ } /* end for */
+
+ /* Set modifiable free space parameters */
+ fspace->nbins = H5V_log2_gen(fspace->hdr->max_sect_size);
+ fspace->sect_prefix_size = H5FS_SECTS_PREFIX_SIZE(f);
+ fspace->sect_off_size = (fspace->hdr->max_sect_addr + 7) / 8;
+ fspace->sect_len_size = (H5V_log2_gen(fspace->hdr->max_sect_size) + 7) / 8;
+ H5FS_init(fspace);
+#ifdef QAK
+HDfprintf(stderr, "%s: fspace->nbins = %u\n", FUNC, fspace->nbins);
+HDfprintf(stderr, "%s: fspace->sect_off_size = %u, fspace->sect_len_size = %u\n", FUNC, fspace->sect_off_size, fspace->sect_len_size);
+#endif /* QAK */
+
+ /* The free space is clean, currently */
+ fspace->dirty = FALSE;
+
+ /* Go get all the sections */
+ if(H5FS_deserialize_bins(f, dxpl_id, fspace) < 0)
+ HGOTO_ERROR(H5E_FSPACE, H5E_CANTDECODE, NULL, "can't deserialize sections")
+
+ /* Add the free space manager to the list of open free space managers */
+ if(H5FS_open_add(fspace) < 0)
+ HGOTO_ERROR(H5E_FSPACE, H5E_CANTINIT, NULL, "can't add free space manager to open list")
+
+ /* Set return value */
+ ret_value = fspace;
+
+done:
+ if(!ret_value) {
+ if(fspace)
+ if(H5FS_close(f, dxpl_id, fspace) < 0)
+ HDONE_ERROR(H5E_RESOURCE, H5E_CANTINIT, NULL, "unable to release free space info")
+ } /* end if */
+
+ FUNC_LEAVE_NOAPI(ret_value)
+} /* H5FS_open() */
+
+
+/*-------------------------------------------------------------------------
+ * Function: H5FS_sect_increase
+ *
+ * Purpose: Increase the size of the serialized free space section info
+ * on disk
+ *
+ * Return: Success: non-negative
+ *
+ * Failure: negative
+ *
+ * Programmer: Quincey Koziol
+ * Monday, May 8, 2006
+ *
+ *-------------------------------------------------------------------------
+ */
+static herr_t
+H5FS_sect_increase(H5F_t *f, hid_t dxpl_id, H5FS_t *fspace)
+{
+ hsize_t new_size; /* New size of space for serialized sections */
+ herr_t ret_value = SUCCEED; /* Return value */
+
+ FUNC_ENTER_NOAPI_NOINIT(H5FS_sect_increase)
+
+ /* Check arguments. */
+ HDassert(f);
+ HDassert(fspace);
+ HDassert(fspace->hdr);
+
+ /* Increment # of sections on free space list */
+ fspace->hdr->sect_count++;
+
+ /* Update the free space sections' serialized size */
+ fspace->hdr->sect_size = H5FS_serialize_size(fspace);
+
+#ifdef QAK
+HDfprintf(stderr, "%s: fspace->hdr->sect_size = %Hu\n", FUNC, fspace->hdr->sect_size);
+HDfprintf(stderr, "%s: fspace->hdr->alloc_sect_size = %Hu\n", FUNC, fspace->hdr->alloc_sect_size);
+#endif /* QAK */
+ if(fspace->hdr->sect_size > fspace->hdr->alloc_sect_size) {
+/* Currently, the old block data is "thrown away" after the space is reallocated,
+* so avoid data copy in H5MF_realloc() call by just free'ing the space and
+* allocating new space.
+*
+* This also keeps the file smaller, by freeing the space and then
+* allocating new space, instead of vice versa (in H5MF_realloc).
+*
+* QAK - 5/ 8/2006
+*/
+ /* Free previous indirect block disk space */
+ if(H5MF_xfree(f, H5FD_MEM_FSPACE_SECTS, dxpl_id, fspace->hdr->sect_addr, (hsize_t)fspace->hdr->alloc_sect_size)<0)
+ HGOTO_ERROR(H5E_STORAGE, H5E_CANTFREE, FAIL, "unable to free free space sections")
+
+ /* Compute new size */
+ new_size = fspace->hdr->alloc_sect_size;
+ while(new_size < fspace->hdr->sect_size)
+ new_size *= (double)fspace->hdr->expand_percent / 100.0;
+ fspace->hdr->alloc_sect_size = new_size;
+
+ /* Allocate space for the new indirect block on disk */
+ if(HADDR_UNDEF == (fspace->hdr->sect_addr = H5MF_alloc(f, H5FD_MEM_FSPACE_SECTS, dxpl_id, (hsize_t)fspace->hdr->alloc_sect_size)))
+ HGOTO_ERROR(H5E_STORAGE, H5E_NOSPACE, FAIL, "file allocation failed for free space sections")
+ } /* end if */
+
+done:
+ FUNC_LEAVE_NOAPI(ret_value)
+} /* H5FS_sect_increase() */
+
+
+/*-------------------------------------------------------------------------
+ * Function: H5FS_sect_decrease
+ *
+ * Purpose: Decrease the size of the serialized free space section info
+ * on disk
+ *
+ * Return: Success: non-negative
+ *
+ * Failure: negative
+ *
+ * Programmer: Quincey Koziol
+ * Monday, May 8, 2006
+ *
+ *-------------------------------------------------------------------------
+ */
+static herr_t
+H5FS_sect_decrease(H5F_t *f, hid_t dxpl_id, H5FS_t *fspace)
+{
+ hsize_t decrease_threshold; /* Size threshold for decreasing serialized section size */
+ hsize_t new_size; /* New size of space for serialized sections */
+ herr_t ret_value = SUCCEED; /* Return value */
+
+ FUNC_ENTER_NOAPI_NOINIT(H5FS_sect_decrease)
+
+ /* Check arguments. */
+ HDassert(f);
+ HDassert(fspace);
+ HDassert(fspace->hdr);
+
+ /* Decrement # of sections on free space list */
+ fspace->hdr->sect_count--;
+
+/* XXX: Should check for only one section in bins & convert to single section */
+ /* Drop back to using a "single" node when the bins are empty. */
+ if(fspace->hdr->sect_count == 0)
+ fspace->using_bins = FALSE;
+
+ /* Update the free space sections' serialized size */
+ fspace->hdr->sect_size = H5FS_serialize_size(fspace);
+
+ /* Compute the threshold for decreasing the sections' serialized size */
+ decrease_threshold = (fspace->hdr->alloc_sect_size * (double)fspace->hdr->shrink_percent) / 100.0;
+
+#ifdef QAK
+HDfprintf(stderr, "%s: fspace->hdr->sect_size = %Hu\n", FUNC, fspace->hdr->sect_size);
+HDfprintf(stderr, "%s: fspace->hdr->alloc_sect_size = %Hu\n", FUNC, fspace->hdr->alloc_sect_size);
+#endif /* QAK */
+ if(fspace->hdr->alloc_sect_size > H5FS_SECT_SIZE_DEFAULT &&
+ fspace->hdr->sect_size < decrease_threshold) {
+/* Currently, the old block data is "thrown away" after the space is reallocated,
+* so avoid data copy in H5MF_realloc() call by just free'ing the space and
+* allocating new space.
+*
+* This also keeps the file smaller, by freeing the space and then
+* allocating new space, instead of vice versa (in H5MF_realloc).
+*
+* QAK - 5/ 8/2006
+*/
+ /* Free previous indirect block disk space */
+ if(H5MF_xfree(f, H5FD_MEM_FSPACE_SECTS, dxpl_id, fspace->hdr->sect_addr, (hsize_t)fspace->hdr->alloc_sect_size)<0)
+ HGOTO_ERROR(H5E_STORAGE, H5E_CANTFREE, FAIL, "unable to free free space sections")
+
+ /* Compute new size */
+ while(fspace->hdr->sect_size < decrease_threshold) {
+ new_size = decrease_threshold;
+
+ decrease_threshold *= (double)fspace->hdr->shrink_percent / 100.0;
+ } /* end while */
+ if(new_size < H5FS_SECT_SIZE_DEFAULT)
+ new_size = H5FS_SECT_SIZE_DEFAULT;
+ fspace->hdr->alloc_sect_size = new_size;
+
+ /* Allocate space for the new indirect block on disk */
+ if(HADDR_UNDEF == (fspace->hdr->sect_addr = H5MF_alloc(f, H5FD_MEM_FSPACE_SECTS, dxpl_id, (hsize_t)fspace->hdr->alloc_sect_size)))
+ HGOTO_ERROR(H5E_STORAGE, H5E_NOSPACE, FAIL, "file allocation failed for free space sections")
+ } /* end if */
+
+done:
+ FUNC_LEAVE_NOAPI(ret_value)
+} /* H5FS_sect_decrease() */
+
+
+/*-------------------------------------------------------------------------
+ * Function: H5FS_add_bin_node
+ *
+ * Purpose: Add a section of free space in a direct block to the free list
+ * bins
+ *
+ * Return: Success: non-negative
+ *
+ * Failure: negative
+ *
+ * Programmer: Quincey Koziol
+ * Monday, March 20, 2006
+ *
+ *-------------------------------------------------------------------------
+ */
+static herr_t
+H5FS_add_bin_node(H5FS_t *fspace, H5FS_section_info_t *node)
+{
+ H5FS_node_t *fspace_node = NULL; /* Pointer to free space node of the correct size */
+ unsigned bin; /* Bin to put the free space section in */
+ herr_t ret_value = SUCCEED; /* Return value */
+
+ FUNC_ENTER_NOAPI_NOINIT(H5FS_add_bin_node)
+#ifdef QAK
+HDfprintf(stderr, "%s: node->size = %Hu, node->addr = %a\n", FUNC, node->size, node->addr);
+#endif /* QAK */
+
+ /* Check arguments. */
+ HDassert(fspace);
+ HDassert(node);
+ HDassert(H5F_addr_defined(node->addr));
+ HDassert(node->size);
+
+ /* Determine correct bin which holds items of the section's size */
+ bin = H5V_log2_gen(node->size);
+ HDassert(bin < fspace->nbins);
+ if(fspace->bins[bin].bin_list == NULL) {
+ if(NULL == (fspace->bins[bin].bin_list = H5SL_create(H5SL_TYPE_HSIZE, 0.5, H5FS_DEFAULT_SKIPLIST_HEIGHT)))
+ HGOTO_ERROR(H5E_FSPACE, H5E_CANTCREATE, FAIL, "can't create skip list for free space nodes")
+ } /* end if */
+ else {
+ /* Check for node list of the correct size already */
+ fspace_node = H5SL_search(fspace->bins[bin].bin_list, &node->size);
+ } /* end else */
+
+ /* Check if we need to create a new skip list for nodes of this size */
+ if(fspace_node == NULL) {
+ /* Allocate new free list size node */
+ if(NULL == (fspace_node = H5FL_MALLOC(H5FS_node_t)))
+ HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, FAIL, "memory allocation failed for free space node")
+
+ /* Initialize the free list size node */
+ fspace_node->sect_size = node->size;
+ if(NULL == (fspace_node->sect_list = H5SL_create(H5SL_TYPE_HADDR, 0.5, H5FS_DEFAULT_SKIPLIST_HEIGHT)))
+ HGOTO_ERROR(H5E_FSPACE, H5E_CANTCREATE, FAIL, "can't create skip list for free space nodes")
+
+ /* Insert new free space size node into bin's list */
+ if(H5SL_insert(fspace->bins[bin].bin_list, fspace_node, &fspace_node->sect_size) < 0)
+ HGOTO_ERROR(H5E_FSPACE, H5E_CANTINSERT, FAIL, "can't insert free space node into skip list")
+
+ /* Increment number of section sizes */
+ fspace->size_count++;
+ } /* end if */
+
+ /* Increment # of section in bin */
+ /* (Different from the # of items in the bin's skiplist, since each node on
+ * the bin's skiplist is also a skiplist...)
+ */
+#ifdef QAK
+HDfprintf(stderr, "%s: fspace->bins[%u].sect_count = %Zu\n", FUNC, bin, fspace->bins[bin].sect_count);
+#endif /* QAK */
+ fspace->bins[bin].sect_count++;
+
+ /* Increment amount of space required to serialize all sections */
+#ifdef QAK
+HDfprintf(stderr, "%s: fspace->serial_size = %Zu\n", FUNC, fspace->serial_size);
+HDfprintf(stderr, "%s: fspace->sect_cls[node->cls->type].serial_size = %Zu\n", FUNC, fspace->sect_cls[node->cls->type].serial_size);
+#endif /* QAK */
+ fspace->serial_size += fspace->sect_cls[node->cls->type].serial_size;
+
+ /* Insert free space node into correct skip list */
+ if(H5SL_insert(fspace_node->sect_list, node, &node->addr) < 0)
+ HGOTO_ERROR(H5E_FSPACE, H5E_CANTINSERT, FAIL, "can't insert free space node into skip list")
+
+done:
+ FUNC_LEAVE_NOAPI(ret_value)
+} /* H5FS_add_bin_node() */
+
+
+/*-------------------------------------------------------------------------
+ * Function: H5FS_add
+ *
+ * Purpose: Add a section of free space in a direct block to the free list
+ *
+ * Return: Success: non-negative
+ *
+ * Failure: negative
+ *
+ * Programmer: Quincey Koziol
+ * Tuesday, March 7, 2006
+ *
+ *-------------------------------------------------------------------------
+ */
+herr_t
+H5FS_add(H5F_t *f, hid_t dxpl_id, H5FS_t *fspace, H5FS_section_info_t *node)
+{
+ herr_t ret_value = SUCCEED; /* Return value */
+
+ FUNC_ENTER_NOAPI(H5FS_add, FAIL)
+
+#ifdef QAK
+HDfprintf(stderr, "%s: node->size = %Hu, node->addr = %a\n", FUNC, node->size, node->addr);
+#endif /* QAK */
+
+ /* Check arguments. */
+ HDassert(fspace);
+ HDassert(node);
+ HDassert(H5F_addr_defined(node->addr));
+ HDassert(node->size);
+
+ /* Check for special cases of # of sections on free list */
+#ifdef QAK
+HDfprintf(stderr, "%s: fspace->hdr->sect_count = %Hu\n", FUNC, fspace->hdr->sect_count);
+#endif /* QAK */
+ if(fspace->hdr->sect_count == 0) {
+ HDassert(fspace->single == NULL);
+
+ /* Capture single section's information */
+ fspace->single = node;
+
+ /* Increment amount of space required to serialize all sections */
+ fspace->serial_size += fspace->sect_cls[node->cls->type].serial_size;
+
+ /* Increment number of section sizes */
+ fspace->size_count++;
+ } /* end if */
+ else {
+ /* Have a single section, put it into the bins */
+/* XXX: Take out the "&& !fspace->using_bins" when bins converted back into single section */
+ if(fspace->hdr->sect_count == 1 && !fspace->using_bins) {
+ HDassert(fspace->single);
+
+ /* Decrement amount of space required to serialize all sections */
+ /* (will be re-incremented in the 'add bin node' routine) */
+ fspace->serial_size -= fspace->sect_cls[fspace->single->cls->type].serial_size;
+
+ /* Check if we should allocate the bins */
+ if(fspace->bins == NULL)
+ /* Allocate the bins for free space sizes */
+ if(NULL == (fspace->bins = H5FL_SEQ_CALLOC(H5FS_bin_t, fspace->nbins)))
+ HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, FAIL, "memory allocation failed for free space bins")
+
+ /* Insert the current single section into the bins */
+ if(H5FS_add_bin_node(fspace, fspace->single) < 0)
+ HGOTO_ERROR(H5E_FSPACE, H5E_CANTINSERT, FAIL, "can't insert free space node into skip list")
+ fspace->single = NULL;
+
+ /* Decrement number of section sizes */
+ /* (will be re-incremented in the 'add bin node' routine) */
+ fspace->size_count--;
+
+ /* Using bins for storing nodes now */
+ fspace->using_bins = TRUE;
+ } /* end if */
+ HDassert(fspace->single == NULL);
+
+ /* Put new section into bins */
+ if(H5FS_add_bin_node(fspace, node) < 0)
+ HGOTO_ERROR(H5E_FSPACE, H5E_CANTINSERT, FAIL, "can't insert free space node into skip list")
+ } /* end else */
+
+ /* Update section info & check if we need more room for the serialized free space sections */
+ if(H5FS_sect_increase(f, dxpl_id, fspace) < 0)
+ HGOTO_ERROR(H5E_FSPACE, H5E_CANTINSERT, FAIL, "can't increase free space section size on disk")
+
+ /* Increment amount of free space managed */
+ fspace->hdr->tot_space += node->size;
+
+ /* Mark free space sections as changed */
+ fspace->dirty = TRUE;
+
+done:
+ FUNC_LEAVE_NOAPI(ret_value)
+} /* H5FS_add() */
+
+
+/*-------------------------------------------------------------------------
+ * Function: H5FS_find_bin_node
+ *
+ * Purpose: Locate a section of free space (in existing free space list
+ * bins) that is large enough to fulfill request.
+ *
+ * Return: Success: non-negative
+ *
+ * Failure: negative
+ *
+ * Programmer: Quincey Koziol
+ * Monday, March 20, 2006
+ *
+ *-------------------------------------------------------------------------
+ */
+static htri_t
+H5FS_find_bin_node(H5FS_t *fspace, hsize_t request, H5FS_section_info_t **node)
+{
+ H5FS_node_t *fspace_node; /* Free list size node */
+ unsigned bin; /* Bin to put the free space section in */
+ htri_t ret_value = FALSE; /* Return value */
+
+ FUNC_ENTER_NOAPI_NOINIT(H5FS_find_bin_node)
+
+ /* Check arguments. */
+ HDassert(fspace);
+ HDassert(fspace->bins);
+ HDassert(request > 0);
+ HDassert(node);
+
+ /* Determine correct bin which holds items of at least the section's size */
+ bin = H5V_log2_gen(request);
+ HDassert(bin < fspace->nbins);
+ while(bin < fspace->nbins && fspace->bins[bin].bin_list == NULL)
+ bin++;
+
+ /* Find the first free space section that is large enough to fulfill request */
+ /* (Since the bins use skip lists to track the sizes of the address-ordered
+ * lists, this is actually a "best fit" algorithm)
+ */
+#ifdef QAK
+HDfprintf(stderr, "%s: fspace->nbins = %u\n", FUNC, fspace->nbins);
+HDfprintf(stderr, "%s: bin = %u\n", FUNC, bin);
+#endif /* QAK */
+ if(bin < fspace->nbins)
+ do {
+ /* Look for large enough free space section in this bin */
+ if(fspace->bins[bin].bin_list)
+ /* Check for large enough list of sections on list */
+ if((fspace_node = H5SL_greater(fspace->bins[bin].bin_list, &request))) {
+ /* Take first node off of the list (ie. node w/lowest address) */
+ if(NULL == (*node = H5SL_remove_first(fspace_node->sect_list)))
+ HGOTO_ERROR(H5E_FSPACE, H5E_CANTDELETE, FAIL, "can't remove free space node from skip list")
+
+ /* Check for no more nodes on list of that size */
+ if(H5SL_count(fspace_node->sect_list) == 0) {
+ H5FS_node_t *tmp_fspace_node; /* Free space list size node */
+
+ /* Remove size tracking list from bin */
+ tmp_fspace_node = H5SL_remove(fspace->bins[bin].bin_list, &fspace_node->sect_size);
+ if(tmp_fspace_node == NULL || tmp_fspace_node != fspace_node)
+ HGOTO_ERROR(H5E_FSPACE, H5E_CANTDELETE, FAIL, "can't remove free space node from skip list")
+
+ /* Destroy skip list for size tracking node */
+ if(H5SL_close(fspace_node->sect_list) < 0)
+ HGOTO_ERROR(H5E_FSPACE, H5E_CANTCLOSEOBJ, FAIL, "can't destroy size tracking node's skip list")
+
+ /* Release free space list node */
+ H5FL_FREE(H5FS_node_t, fspace_node);
+
+ /* Decrement number of section sizes */
+ fspace->size_count--;
+ } /* end if */
+
+ /* Decrement the # of sections in this bin */
+ /* (Different from the # of items in the bin's skiplist, since each node on
+ * the bin's skiplist is also a skiplist...)
+ */
+ fspace->bins[bin].sect_count--;
+#ifdef QAK
+HDfprintf(stderr, "%s: fspace->bins[%u].sect_count = %Zu\n", FUNC, bin, fspace->bins[bin].sect_count);
+#endif /* QAK */
+
+ /* Decrement amount of space required to serialize all sections */
+ fspace->serial_size -= fspace->sect_cls[(*node)->cls->type].serial_size;
+#ifdef QAK
+HDfprintf(stderr, "%s: fspace->serial_size = %Zu\n", FUNC, fspace->serial_size);
+HDfprintf(stderr, "%s: fspace->sect_cls[(*node)->cls->type].serial_size = %Zu\n", FUNC, fspace->sect_cls[(*node)->cls->type].serial_size);
+#endif /* QAK */
+
+ HGOTO_DONE(TRUE)
+ } /* end if */
+
+ /* Advance to next larger bin */
+ bin++;
+ } while(bin < fspace->nbins);
+
+done:
+ FUNC_LEAVE_NOAPI(ret_value)
+} /* H5FS_find_bin_node() */
+
+
+/*-------------------------------------------------------------------------
+ * Function: H5FS_find
+ *
+ * Purpose: Locate a section of free space (in existing free space list) that
+ * is large enough to fulfill request.
+ *
+ * Return: Success: non-negative
+ *
+ * Failure: negative
+ *
+ * Programmer: Quincey Koziol
+ * Tuesday, March 7, 2006
+ *
+ *-------------------------------------------------------------------------
+ */
+htri_t
+H5FS_find(H5F_t *f, hid_t dxpl_id, H5FS_t *fspace, hsize_t request, H5FS_section_info_t **node)
+{
+ htri_t ret_value = FALSE; /* Return value */
+
+ FUNC_ENTER_NOAPI(H5FS_find, FAIL)
+
+#ifdef QAK
+HDfprintf(stderr, "%s: request = %Hu\n", FUNC, request);
+#endif /* QAK */
+
+ /* Check arguments. */
+ HDassert(fspace);
+ HDassert(request);
+ HDassert(node);
+
+ /* Check for any sections on free space list */
+#ifdef QAK
+HDfprintf(stderr, "%s: fspace->hdr->sect_count = %Hu\n", FUNC, fspace->hdr->sect_count);
+#endif /* QAK */
+ if(fspace->hdr->sect_count > 0) {
+ /* Check for single section */
+/* XXX: Take out the "&& !fspace->using_bins" when bins converted back into single section */
+ if(fspace->hdr->sect_count == 1 && !fspace->using_bins) {
+ HDassert(fspace->single);
+
+ /* See if single section is large enough */
+ if(fspace->single->size >= request) {
+ /* Use 'single' section */
+ *node = fspace->single;
+ fspace->single = NULL;
+
+ /* Decrement amount of space required to serialize all sections */
+ fspace->serial_size -= fspace->sect_cls[(*node)->cls->type].serial_size;
+
+ /* Decrement number of section sizes */
+ fspace->size_count--;
+
+ /* Found a good section */
+ ret_value = TRUE;
+ } /* end if */
+ else
+ HGOTO_DONE(FALSE)
+ } /* end if */
+ else {
+ HDassert(fspace->single == NULL);
+
+ /* Look for node in bins */
+ if((ret_value = H5FS_find_bin_node(fspace, request, node)) < 0)
+ HGOTO_ERROR(H5E_FSPACE, H5E_CANTFREE, FAIL, "can't remove section from bins")
+ } /* end else */
+
+ /* Decrement # of sections on free list, if we found an object */
+ if(ret_value > 0) {
+ /* Update section info & check if we need less room for the serialized free space sections */
+ if(H5FS_sect_decrease(f, dxpl_id, fspace) < 0)
+ HGOTO_ERROR(H5E_FSPACE, H5E_CANTINSERT, FAIL, "can't increase free space section size on disk")
+
+ /* Decrement amount of free space managed */
+ fspace->hdr->tot_space -= (*node)->size;
+
+ /* Mark free space sections as changed */
+ fspace->dirty = TRUE;
+ } /* end if */
+ } /* end if */
+
+done:
+ FUNC_LEAVE_NOAPI(ret_value)
+} /* H5FS_find() */
+
+
+/*-------------------------------------------------------------------------
+ * Function: H5FS_node_free_cb
+ *
+ * Purpose: Free a size-tracking node for a bin
+ *
+ * Return: Success: non-negative
+ *
+ * Failure: negative
+ *
+ * Programmer: Quincey Koziol
+ * Saturday, March 11, 2006
+ *
+ *-------------------------------------------------------------------------
+ */
+static herr_t
+H5FS_node_free_cb(void *item, void UNUSED *key, void *op_data)
+{
+ H5FS_node_t *fspace_node = (H5FS_node_t *)item; /* Temporary pointer to free space list node */
+
+ FUNC_ENTER_NOAPI_NOINIT_NOFUNC(H5FS_node_free_cb)
+
+ HDassert(fspace_node);
+
+ /* Release the skip list for sections of this size */
+ H5SL_destroy(fspace_node->sect_list, (H5SL_operator_t)op_data, NULL);
+
+ /* Release free space list node */
+ H5FL_FREE(H5FS_node_t, fspace_node);
+
+ FUNC_LEAVE_NOAPI(0)
+} /* H5FS_node_free_cb() */
+
+
+/*-------------------------------------------------------------------------
+ * Function: H5FS_serialize_sect_cb
+ *
+ * Purpose: Skip list iterator callback to serialize free space sections
+ * of a particular size
+ *
+ * Return: Success: non-negative
+ *
+ * Failure: negative
+ *
+ * Programmer: Quincey Koziol
+ * Monday, May 8, 2006
+ *
+ *-------------------------------------------------------------------------
+ */
+static herr_t
+H5FS_serialize_sect_cb(void *_item, void UNUSED *key, void *_udata)
+{
+ H5FS_section_info_t *sect_info = (H5FS_section_info_t *)_item; /* Free space section to work on */
+ H5FS_iter_ud2_t *udata = (H5FS_iter_ud2_t *)_udata; /* Callback info */
+ herr_t ret_value = SUCCEED; /* Return value */
+
+ FUNC_ENTER_NOAPI_NOINIT(H5FS_serialize_sect_cb)
+
+ /* Check arguments. */
+ HDassert(sect_info);
+ HDassert(udata->fspace);
+ HDassert(udata->p);
+
+ /* The address of the section */
+ UINT64ENCODE_VAR(*udata->p, sect_info->addr, udata->fspace->sect_off_size);
+#ifdef QAK
+HDfprintf(stderr, "%s: sect_info->addr = %a\n", FUNC, sect_info->addr);
+#endif /* QAK */
+
+ /* The type of this section */
+ *(*udata->p)++ = (uint8_t)sect_info->cls->type;
+#ifdef QAK
+HDfprintf(stderr, "%s: sect_info->cls->type = %u\n", FUNC, (unsigned)sect_info->cls->type);
+#endif /* QAK */
+
+ /* Call 'serialize' callback for this section */
+ if(sect_info->cls->serialize) {
+ if((*sect_info->cls->serialize)(sect_info, *udata->p) < 0)
+ HGOTO_ERROR(H5E_FSPACE, H5E_CANTSERIALIZE, FAIL, "can't syncronize section")
+
+ /* Update offset in serialization buffer */
+ (*udata->p) += sect_info->cls->serial_size;
+ } /* end if */
+ else
+ HDassert(sect_info->cls->serial_size == 0);
+
+done:
+ FUNC_LEAVE_NOAPI(ret_value)
+} /* H5FS_serialize_sect_cb() */
+
+
+/*-------------------------------------------------------------------------
+ * Function: H5FS_serialize_node_cb
+ *
+ * Purpose: Skip list iterator callback to serialize free space sections
+ * in a bin
+ *
+ * Return: Success: non-negative
+ *
+ * Failure: negative
+ *
+ * Programmer: Quincey Koziol
+ * Monday, May 8, 2006
+ *
+ *-------------------------------------------------------------------------
+ */
+static herr_t
+H5FS_serialize_node_cb(void *_item, void UNUSED *key, void *_udata)
+{
+ H5FS_node_t *fspace_node = (H5FS_node_t *)_item; /* Free space size node to work on */
+ H5FS_iter_ud2_t *udata = (H5FS_iter_ud2_t *)_udata; /* Callback info */
+ size_t node_count; /* Number of sections of this size */
+ herr_t ret_value = SUCCEED; /* Return value */
+
+ FUNC_ENTER_NOAPI_NOINIT(H5FS_serialize_node_cb)
+
+ /* Check arguments. */
+ HDassert(fspace_node);
+ HDassert(udata->fspace);
+ HDassert(udata->p);
+
+ /* The number of sections of this node's size */
+ node_count = H5SL_count(fspace_node->sect_list);
+ HDassert(node_count);
+ UINT64ENCODE_VAR(*udata->p, node_count, udata->sect_cnt_size);
+#ifdef QAK
+HDfprintf(stderr, "%s: node_count = %Zu\n", FUNC, node_count);
+#endif /* QAK */
+
+ /* The size of the sections for this node */
+ UINT64ENCODE_VAR(*udata->p, fspace_node->sect_size, udata->fspace->sect_len_size);
+#ifdef QAK
+HDfprintf(stderr, "%s: sect_size = %Hu\n", FUNC, fspace_node->sect_size);
+#endif /* QAK */
+
+ /* Iterate through all the sections of this size */
+ HDassert(fspace_node->sect_list);
+ if(H5SL_iterate(fspace_node->sect_list, H5FS_serialize_sect_cb, udata) < 0)
+ HGOTO_ERROR(H5E_FSPACE, H5E_BADITER, FAIL, "can't iterate over section nodes")
+
+done:
+ FUNC_LEAVE_NOAPI(ret_value)
+} /* H5FS_serialize_node_cb() */
+
+
+/*-------------------------------------------------------------------------
+ * Function: H5FS_serialize_size
+ *
+ * Purpose: Determine serialized size of all sections in free space manager
+ *
+ * Return: Success: non-negative
+ *
+ * Failure: (can't fail)
+ *
+ * Programmer: Quincey Koziol
+ * Monday, May 8, 2006
+ *
+ *-------------------------------------------------------------------------
+ */
+static size_t
+H5FS_serialize_size(H5FS_t *fspace)
+{
+ size_t sect_buf_size; /* Section buffer size */
+
+ FUNC_ENTER_NOAPI_NOINIT_NOFUNC(H5FS_serialize_size)
+
+ /* Check arguments. */
+ HDassert(fspace);
+
+ /* Compute the size of the buffer required to serialize all the sections */
+
+ /* Serialized sections prefix */
+ sect_buf_size = fspace->sect_prefix_size;
+
+ /* Count for each differently sized section */
+ sect_buf_size += fspace->size_count * MAX(1, ((H5V_log2_gen(fspace->hdr->sect_count) + 7) / 8));
+
+ /* Size for each differently sized section */
+ sect_buf_size += fspace->size_count * fspace->sect_len_size;
+
+ /* Offsets of each section in address space */
+ sect_buf_size += fspace->hdr->sect_count * fspace->sect_off_size;
+
+ /* Class of each section */
+ sect_buf_size += fspace->hdr->sect_count * 1;
+
+ /* Extra space required to serialize each section */
+ sect_buf_size += fspace->serial_size;
+
+ FUNC_LEAVE_NOAPI(sect_buf_size)
+} /* H5FS_serialize_size() */
+
+
+/*-------------------------------------------------------------------------
+ * Function: H5FS_serialize_bins
+ *
+ * Purpose: Serialize all bins into proper form on disk
+ *
+ * Return: Success: non-negative
+ *
+ * Failure: negative
+ *
+ * Programmer: Quincey Koziol
+ * Monday, May 8, 2006
+ *
+ *-------------------------------------------------------------------------
+ */
+static herr_t
+H5FS_serialize_bins(H5F_t *f, hid_t dxpl_id, H5FS_t *fspace)
+{
+ H5FS_iter_ud2_t udata; /* User data for callbacks */
+ uint8_t *sect_buf = NULL; /* Buffer for sections */
+ uint8_t *p; /* Pointer into raw data buffer */
+ herr_t ret_value = SUCCEED; /* Return value */
+
+ FUNC_ENTER_NOAPI_NOINIT(H5FS_serialize_bins)
+
+ /* Check arguments. */
+ HDassert(f);
+ HDassert(fspace);
+ HDassert(fspace->dirty);
+
+#ifdef QAK
+HDfprintf(stderr, "%s: fspace->hdr->sect_count = %Hu\n", FUNC, fspace->hdr->sect_count);
+HDfprintf(stderr, "%s: fspace->serial_size = %Zu\n", FUNC, fspace->serial_size);
+#endif /* QAK */
+
+ /* Allocate space for the buffer to serialize the sections into */
+ if(NULL == (sect_buf = H5FL_BLK_MALLOC(sect_block, (size_t)fspace->hdr->sect_size)))
+ HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, FAIL, "memory allocation failed")
+
+ /* Serialize free sections into buffer available */
+ p = sect_buf;
+
+ /* Magic number */
+ HDmemcpy(p, H5FS_SECTS_MAGIC, H5FS_SIZEOF_MAGIC);
+ p += H5FS_SIZEOF_MAGIC;
+
+ /* Version # */
+ *p++ = H5FS_SECTS_VERSION;
+
+ /* Metadata status flags */
+/* XXX: Set this? */
+ *p++ = 0;
+
+ /* Metadata checksum */
+/* XXX: Set this! (After all the metadata is in the buffer) */
+ HDmemset(p, 0, 4);
+ p += 4;
+
+ /* Address of free space header for these sections */
+ H5F_addr_encode(f, &p, fspace->addr);
+
+ /* Set up user data for iterator */
+ udata.fspace = fspace;
+ udata.p = &p;
+ udata.sect_cnt_size = MAX(1, (H5V_log2_gen(fspace->hdr->sect_count) + 7) / 8);
+#ifdef QAK
+HDfprintf(stderr, "%s: udata.sect_cnt_size = %u\n", FUNC, udata.sect_cnt_size);
+#endif /* QAK */
+
+ /* Serialize sections, if there are any */
+ if(fspace->hdr->sect_count) {
+ /* Check for whether to serialize a single section */
+/* XXX: Take out the "&& !fspace->using_bins" when bins converted back into single section */
+ if(fspace->hdr->sect_count == 1 && !fspace->using_bins) {
+#ifdef QAK
+HDfprintf(stderr, "%s: Serializing single section\n", FUNC);
+#endif /* QAK */
+ /* Sanity check */
+ HDassert(fspace->single != NULL);
+
+ /* The number of sections */
+ UINT64ENCODE_VAR(p, 1, udata.sect_cnt_size);
+
+ /* The size of the section */
+ UINT64ENCODE_VAR(p, fspace->single->size, fspace->sect_len_size);
+
+ /* Serialize the single node */
+ if(H5FS_serialize_sect_cb(fspace->single, NULL, &udata) < 0)
+ HGOTO_ERROR(H5E_FSPACE, H5E_CANTSERIALIZE, FAIL, "can't syncronize single section")
+ } /* end if */
+ else {
+ unsigned bin; /* Current bin we are on */
+
+ /* Iterate over all the bins */
+#ifdef QAK
+HDfprintf(stderr, "%s: Serializing section bins\n", FUNC);
+#endif /* QAK */
+ for(bin = 0; bin < fspace->nbins; bin++) {
+ /* Check if there are any sections in this bin */
+ if(fspace->bins[bin].bin_list) {
+ /* Iterate over list of section size nodes for bin */
+ if(H5SL_iterate(fspace->bins[bin].bin_list, H5FS_serialize_node_cb, &udata) < 0)
+ HGOTO_ERROR(H5E_FSPACE, H5E_BADITER, FAIL, "can't iterate over section size nodes")
+ } /* end if */
+ } /* end for */
+ } /* end else */
+ } /* end if */
+
+ /* Sanity check */
+ HDassert((size_t)(p - sect_buf) == fspace->hdr->sect_size);
+#ifdef QAK
+HDfprintf(stderr, "%s: fspace->hdr->sect_size = %Hu\n", FUNC, fspace->hdr->sect_size);
+#endif /* QAK */
+
+ /* Write buffer to disk */
+ HDassert(fspace->hdr->sect_size <= fspace->hdr->alloc_sect_size);
+#ifdef QAK
+HDfprintf(stderr, "%s: fspace->hdr->alloc_sect_size = %Hu\n", FUNC, fspace->hdr->alloc_sect_size);
+#endif /* QAK */
+ if(H5F_block_write(f, H5FD_MEM_FSPACE_SECTS, fspace->hdr->sect_addr, (size_t)fspace->hdr->sect_size, dxpl_id, sect_buf) < 0)
+ HGOTO_ERROR(H5E_FSPACE, H5E_CANTFLUSH, FAIL, "unable to save free space sections to disk")
+
+done:
+ if(sect_buf)
+ H5FL_BLK_FREE(sect_block, sect_buf);
+
+ FUNC_LEAVE_NOAPI(ret_value)
+} /* H5FS_serialize_bins() */
+
+
+/*-------------------------------------------------------------------------
+ * Function: H5FS_deserialize_bins
+ *
+ * Purpose: Deserialize all bins from disk
+ *
+ * Return: Success: non-negative
+ *
+ * Failure: negative
+ *
+ * Programmer: Quincey Koziol
+ * Monday, May 8, 2006
+ *
+ *-------------------------------------------------------------------------
+ */
+static herr_t
+H5FS_deserialize_bins(H5F_t *f, hid_t dxpl_id, H5FS_t *fspace)
+{
+ haddr_t fs_addr; /* Free space header address */
+ uint32_t metadata_chksum; /* Metadata checksum value */
+ uint8_t *sect_buf = NULL; /* Buffer for sections */
+ const uint8_t *p; /* Pointer into raw data buffer */
+ size_t old_sect_size; /* Section size */
+ herr_t ret_value = SUCCEED; /* Return value */
+
+ FUNC_ENTER_NOAPI_NOINIT(H5FS_deserialize_bins)
+
+ /* Check arguments. */
+ HDassert(f);
+ HDassert(fspace);
+
+ /* Allocate space for the buffer to serialize the sections into */
+ old_sect_size = fspace->hdr->sect_size;
+#ifdef QAK
+HDfprintf(stderr, "%s: fspace->hdr->sect_size = %Hu\n", FUNC, fspace->hdr->sect_size);
+#endif /* QAK */
+ if(NULL == (sect_buf = H5FL_BLK_MALLOC(sect_block, (size_t)fspace->hdr->sect_size)))
+ HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, FAIL, "memory allocation failed")
+
+ /* Read buffer from disk */
+ if(H5F_block_read(f, H5FD_MEM_FSPACE_SECTS, fspace->hdr->sect_addr, (size_t)fspace->hdr->sect_size, dxpl_id, sect_buf) < 0)
+ HGOTO_ERROR(H5E_FSPACE, H5E_READERROR, FAIL, "can't read free space sections")
+
+ /* Deserialize free sections from buffer available */
+ p = sect_buf;
+
+ /* Magic number */
+ if(HDmemcmp(p, H5FS_SECTS_MAGIC, H5FS_SIZEOF_MAGIC))
+ HGOTO_ERROR(H5E_FSPACE, H5E_CANTLOAD, FAIL, "wrong free space sections signature")
+ p += H5FS_SIZEOF_MAGIC;
+
+ /* Version */
+ if(*p++ != H5FS_SECTS_VERSION)
+ HGOTO_ERROR(H5E_FSPACE, H5E_CANTLOAD, FAIL, "wrong free space sections version")
+
+ /* Metadata flags (unused, currently) */
+/* XXX: Plan out metadata flags (including "read-only duplicate" feature) */
+ if(*p++ != 0)
+ HGOTO_ERROR(H5E_FSPACE, H5E_CANTLOAD, FAIL, "unknown metadata flag in free space sections")
+
+ /* Metadata checksum (unused, currently) */
+ UINT32DECODE(p, metadata_chksum);
+/* XXX: Verify checksum */
+ if(metadata_chksum != 0)
+ HGOTO_ERROR(H5E_FSPACE, H5E_CANTLOAD, FAIL, "incorrect metadata checksum for free space sections")
+
+ /* Address of free space header for these sections */
+ H5F_addr_decode(f, &p, &fs_addr);
+ if(H5F_addr_ne(fs_addr, fspace->addr))
+ HGOTO_ERROR(H5E_FSPACE, H5E_CANTLOAD, FAIL, "incorrect header address for free space sections")
+
+ /* Check for any serialized sections */
+ if(fspace->hdr->sect_count > 0) {
+ hsize_t old_sect_count; /* Section count from header */
+ unsigned sect_cnt_size; /* The size of the section size counts */
+
+ /* Compute the size of the section counts */
+ sect_cnt_size = MAX(1, (H5V_log2_gen(fspace->hdr->sect_count) + 7) / 8);
+#ifdef QAK
+HDfprintf(stderr, "%s: sect_cnt_size = %u\n", FUNC, sect_cnt_size);
+HDfprintf(stderr, "%s: fspace->sect_len_size = %u\n", FUNC, fspace->sect_len_size);
+#endif /* QAK */
+
+ /* Reset the section count, the "add" routine will update it */
+ old_sect_count = fspace->hdr->sect_count;
+#ifdef QAK
+HDfprintf(stderr, "%s: fspace->hdr->sect_count = %Hu\n", FUNC, fspace->hdr->sect_count);
+#endif /* QAK */
+ fspace->hdr->sect_count = 0;
+
+ /* Walk through the buffer, deserializing sections */
+ do {
+ hsize_t sect_size; /* Current section size */
+ size_t node_count; /* # of sections of this size */
+ size_t u; /* Local index variable */
+
+ /* The number of sections of this node's size */
+ UINT64DECODE_VAR(p, node_count, sect_cnt_size);
+#ifdef QAK
+HDfprintf(stderr, "%s: node_count = %Zu\n", FUNC, node_count);
+#endif /* QAK */
+ HDassert(node_count);
+
+ /* The size of the sections for this node */
+ UINT64DECODE_VAR(p, sect_size, fspace->sect_len_size);
+#ifdef QAK
+HDfprintf(stderr, "%s: sect_size = %Hu\n", FUNC, sect_size);
+#endif /* QAK */
+ HDassert(sect_size);
+
+ /* Loop over nodes of this size */
+ for(u = 0; u < node_count; u++) {
+ H5FS_section_info_t *new_sect; /* Section that was deserialized */
+ haddr_t sect_addr; /* Address of free space section in the address space */
+ unsigned sect_type; /* Type of free space section */
+
+ /* The address of the section */
+ UINT64DECODE_VAR(p, sect_addr, fspace->sect_off_size);
+#ifdef QAK
+HDfprintf(stderr, "%s: sect_addr = %a\n", FUNC, sect_addr);
+#endif /* QAK */
+
+ /* The type of this section */
+ sect_type = *p++;
+#ifdef QAK
+HDfprintf(stderr, "%s: sect_type = %u\n", FUNC, sect_type);
+#endif /* QAK */
+
+ /* Call 'deserialize' callback for this section */
+ HDassert(fspace->sect_cls[sect_type].deserialize);
+ if((*fspace->sect_cls[sect_type].deserialize)(fspace->sect_cls, p, sect_addr, sect_size, &new_sect) < 0)
+ HGOTO_ERROR(H5E_FSPACE, H5E_CANTDECODE, FAIL, "can't deserialize section")
+ HDassert(new_sect);
+
+ /* Update offset in serialization buffer */
+ p += new_sect->cls->serial_size;
+
+ /* Insert section in free space manager */
+ if(H5FS_add(f, dxpl_id, fspace, new_sect) < 0)
+ HGOTO_ERROR(H5E_FSPACE, H5E_CANTINSERT, FAIL, "can't add section to free space manager")
+ } /* end for */
+ } while(p < (sect_buf + old_sect_size));
+
+ /* Sanity check */
+ HDassert((size_t)(p - sect_buf) == old_sect_size);
+ HDassert(old_sect_size == fspace->hdr->sect_size);
+ HDassert(old_sect_count == fspace->hdr->sect_count);
+ } /* end if */
+
+done:
+ if(sect_buf)
+ H5FL_BLK_FREE(sect_block, sect_buf);
+
+ FUNC_LEAVE_NOAPI(ret_value)
+} /* H5FS_deserialize_bins() */
+
+
+/*-------------------------------------------------------------------------
+ * Function: H5FS_iterate_sect_cb
+ *
+ * Purpose: Skip list iterator callback to iterate over free space sections
+ * of a particular size
+ *
+ * Return: Success: non-negative
+ *
+ * Failure: negative
+ *
+ * Programmer: Quincey Koziol
+ * Saturday, May 13, 2006
+ *
+ *-------------------------------------------------------------------------
+ */
+static herr_t
+H5FS_iterate_sect_cb(void *_item, void UNUSED *key, void *_udata)
+{
+ H5FS_section_info_t *sect_info = (H5FS_section_info_t *)_item; /* Free space section to work on */
+ H5FS_iter_ud3_t *udata = (H5FS_iter_ud3_t *)_udata; /* Callback info */
+ herr_t ret_value = SUCCEED; /* Return value */
+
+ FUNC_ENTER_NOAPI_NOINIT(H5FS_iterate_sect_cb)
+
+ /* Check arguments. */
+ HDassert(sect_info);
+ HDassert(udata->fspace);
+ HDassert(udata->op);
+
+ /* Make callback for this section */
+ if((*udata->op)(sect_info, udata->op_data) < 0)
+ HGOTO_ERROR(H5E_FSPACE, H5E_BADITER, FAIL, "iteration callback failed")
+
+done:
+ FUNC_LEAVE_NOAPI(ret_value)
+} /* H5FS_iterate_sect_cb() */
+
+
+/*-------------------------------------------------------------------------
+ * Function: H5FS_iterate_node_cb
+ *
+ * Purpose: Skip list iterator callback to iterate over free space sections
+ * in a bin
+ *
+ * Return: Success: non-negative
+ *
+ * Failure: negative
+ *
+ * Programmer: Quincey Koziol
+ * Saturday, May 13, 2006
+ *
+ *-------------------------------------------------------------------------
+ */
+static herr_t
+H5FS_iterate_node_cb(void *_item, void UNUSED *key, void *_udata)
+{
+ H5FS_node_t *fspace_node = (H5FS_node_t *)_item; /* Free space size node to work on */
+ H5FS_iter_ud3_t *udata = (H5FS_iter_ud3_t *)_udata; /* Callback info */
+ herr_t ret_value = SUCCEED; /* Return value */
+
+ FUNC_ENTER_NOAPI_NOINIT(H5FS_iterate_node_cb)
+
+ /* Check arguments. */
+ HDassert(fspace_node);
+ HDassert(udata->fspace);
+ HDassert(udata->op);
+
+ /* Iterate through all the sections of this size */
+ HDassert(fspace_node->sect_list);
+ if(H5SL_iterate(fspace_node->sect_list, H5FS_iterate_sect_cb, udata) < 0)
+ HGOTO_ERROR(H5E_FSPACE, H5E_BADITER, FAIL, "can't iterate over section nodes")
+
+done:
+ FUNC_LEAVE_NOAPI(ret_value)
+} /* H5FS_iterate_node_cb() */
+
+
+/*-------------------------------------------------------------------------
+ * Function: H5FS_iterate
+ *
+ * Purpose: Iterate over all the sections managed
+ *
+ * Return: Success: non-negative
+ *
+ * Failure: negative
+ *
+ * Programmer: Quincey Koziol
+ * Saturday, May 13, 2006
+ *
+ *-------------------------------------------------------------------------
+ */
+herr_t
+H5FS_iterate(H5FS_t *fspace, H5FS_operator_t op, void *op_data)
+{
+ H5FS_iter_ud3_t udata; /* User data for callbacks */
+ herr_t ret_value = SUCCEED; /* Return value */
+
+ FUNC_ENTER_NOAPI_NOINIT(H5FS_iterate)
+
+ /* Check arguments. */
+ HDassert(fspace);
+ HDassert(op);
+
+#ifdef QAK
+HDfprintf(stderr, "%s: fspace->hdr->sect_count = %Hu\n", FUNC, fspace->hdr->sect_count);
+#endif /* QAK */
+
+ /* Set up user data for iterator */
+ udata.fspace = fspace;
+ udata.op = op;
+ udata.op_data = op_data;
+
+ /* Iterate over sections, if there are any */
+ if(fspace->hdr->sect_count) {
+ /* Check for whether to iterate over a single section */
+/* XXX: Take out the "&& !fspace->using_bins" when bins converted back into single section */
+ if(fspace->hdr->sect_count == 1 && !fspace->using_bins) {
+#ifdef QAK
+HDfprintf(stderr, "%s: Iterating over a single section\n", FUNC);
+#endif /* QAK */
+ /* Sanity check */
+ HDassert(fspace->single != NULL);
+
+ /* "Iterate" over the single node */
+ if(H5FS_iterate_sect_cb(fspace->single, NULL, &udata) < 0)
+ HGOTO_ERROR(H5E_FSPACE, H5E_BADITER, FAIL, "can't 'iterate' over single section")
+ } /* end if */
+ else {
+ unsigned bin; /* Current bin we are on */
+
+ /* Iterate over all the bins */
+#ifdef QAK
+HDfprintf(stderr, "%s: Iterate over section bins\n", FUNC);
+#endif /* QAK */
+ for(bin = 0; bin < fspace->nbins; bin++) {
+ /* Check if there are any sections in this bin */
+ if(fspace->bins[bin].bin_list) {
+ /* Iterate over list of section size nodes for bin */
+ if(H5SL_iterate(fspace->bins[bin].bin_list, H5FS_iterate_node_cb, &udata) < 0)
+ HGOTO_ERROR(H5E_FSPACE, H5E_BADITER, FAIL, "can't iterate over section size nodes")
+ } /* end if */
+ } /* end for */
+ } /* end else */
+ } /* end if */
+
+done:
+ FUNC_LEAVE_NOAPI(ret_value)
+} /* H5FS_iterate() */
+
+
+/*-------------------------------------------------------------------------
+ * Function: H5FS_flush_cb
+ *
+ * Purpose: Skip list iterator callback to syncronize free space sections
+ * in a free space manager with their serialized form for the
+ * metadata cache
+ *
+ * Return: Success: non-negative
+ *
+ * Failure: negative
+ *
+ * Programmer: Quincey Koziol
+ * Monday, May 8, 2006
+ *
+ *-------------------------------------------------------------------------
+ */
+static herr_t
+H5FS_flush_cb(void *_item, void UNUSED *key, void *_udata)
+{
+ H5FS_t *fspace = (H5FS_t *)_item; /* Free space manager to syncronize */
+ H5FS_iter_ud1_t *udata = (H5FS_iter_ud1_t *)_udata; /* Callback info */
+ herr_t ret_value = SUCCEED; /* Return value */
+
+ FUNC_ENTER_NOAPI(H5FS_flush_cb, FAIL)
+
+ /* Check arguments. */
+ HDassert(fspace);
+ HDassert(udata->f);
+
+ /* Serialize the bins for this free space manager, if they are dirty */
+ if(fspace->dirty)
+ if(H5FS_serialize_bins(udata->f, udata->dxpl_id, fspace) < 0)
+ HGOTO_ERROR(H5E_FSPACE, H5E_CANTSERIALIZE, FAIL, "can't syncronize bins")
+
+done:
+ FUNC_LEAVE_NOAPI(ret_value)
+} /* H5FS_flush_cb() */
+
+
+/*-------------------------------------------------------------------------
+ * Function: H5FS_flush
+ *
+ * Purpose: Syncronize free space sections in all the free space
+ * managers with their serialized form for the metadata cache
+ *
+ * Return: Success: non-negative
+ *
+ * Failure: negative
+ *
+ * Programmer: Quincey Koziol
+ * Monday, May 8, 2006
+ *
+ *-------------------------------------------------------------------------
+ */
+herr_t
+H5FS_flush(H5F_t *f, hid_t dxpl_id, unsigned UNUSED flags)
+{
+ H5FS_iter_ud1_t udata; /* Callback info */
+ herr_t ret_value = SUCCEED; /* Return value */
+
+ FUNC_ENTER_NOAPI(H5FS_flush, FAIL)
+
+ /* Check arguments. */
+ HDassert(f);
+
+ /* Set up callback information */
+ udata.f = f;
+ udata.dxpl_id = dxpl_id;
+
+ /* Iterate over open free space managers, to syncronize their section information */
+ HDassert(H5FS_open_g);
+ if(H5SL_iterate(H5FS_open_g, H5FS_flush_cb, &udata) < 0)
+ HGOTO_ERROR(H5E_FSPACE, H5E_BADITER, FAIL, "can't syncronize section info")
+
+done:
+ FUNC_LEAVE_NOAPI(ret_value)
+} /* H5FS_flush() */
+
+
+/*-------------------------------------------------------------------------
+ * Function: H5FS_close
+ *
+ * Purpose: Destroy & deallocate free list structure, serializing sections
+ * in the bins
+ *
+ * Return: Success: non-negative
+ *
+ * Failure: negative
+ *
+ * Programmer: Quincey Koziol
+ * Tuesday, March 7, 2006
+ *
+ *-------------------------------------------------------------------------
+ */
+herr_t
+H5FS_close(H5F_t *f, hid_t dxpl_id, H5FS_t *fspace)
+{
+ unsigned u; /* Local index variable */
+ herr_t ret_value = SUCCEED; /* Return value */
+
+ FUNC_ENTER_NOAPI(H5FS_close, FAIL)
+
+ /* Check arguments. */
+ HDassert(f);
+ HDassert(fspace);
+
+ /* Remove the free space manager from the list of open free space managers */
+ if(H5FS_open_remove(fspace) < 0)
+ HGOTO_ERROR(H5E_FSPACE, H5E_CANTRELEASE, FAIL, "can't remove free space header from open list")
+
+ /* Serialize the sections in the bins, if necessary */
+ if(fspace->dirty)
+ if(H5FS_serialize_bins(f, dxpl_id, fspace) < 0)
+ HGOTO_ERROR(H5E_FSPACE, H5E_CANTSERIALIZE, FAIL, "can't syncronize bins")
+
+ /* Check for single section to free */
+/* XXX: Take out the "&& !fspace->using_bins" when bins converted back into single section */
+ if(fspace->hdr->sect_count == 1 && !fspace->using_bins) {
+ HDassert(fspace->single != NULL);
+ fspace->node_free_op(fspace->single, &fspace->single->addr, NULL);
+ fspace->single = NULL;
+ } /* end if */
+ HDassert(fspace->single == NULL);
+
+ /* Release bins for skip lists */
+ if(fspace->bins) {
+ /* Clear out lists of nodes */
+ for(u = 0; u < fspace->nbins; u++)
+ if(fspace->bins[u].bin_list) {
+ H5SL_destroy(fspace->bins[u].bin_list, H5FS_node_free_cb, (void *)fspace->node_free_op);
+ fspace->bins[u].bin_list = NULL;
+ } /* end if */
+
+ H5FL_SEQ_FREE(H5FS_bin_t, fspace->bins);
+ } /* end if */
+
+ /* Unpin the free space header in the cache */
+ if(H5AC_unpin_entry(f, fspace->hdr) < 0)
+ HGOTO_ERROR(H5E_FSPACE, H5E_CANTUNPIN, FAIL, "unable to unpin free space header")
+
+ /* Free free space info */
+ H5FL_FREE(H5FS_t, fspace);
+
+done:
+ FUNC_LEAVE_NOAPI(ret_value)
+} /* H5FS_close() */
+
diff --git a/src/H5FScache.c b/src/H5FScache.c
new file mode 100644
index 0000000..c87cdc0
--- /dev/null
+++ b/src/H5FScache.c
@@ -0,0 +1,426 @@
+/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
+ * Copyright by the Board of Trustees of the University of Illinois. *
+ * All rights reserved. *
+ * *
+ * This file is part of HDF5. The full HDF5 copyright notice, including *
+ * terms governing use, modification, and redistribution, is contained in *
+ * the files COPYING and Copyright.html. COPYING can be found at the root *
+ * of the source code distribution tree; Copyright.html can be found at the *
+ * root level of an installed copy of the electronic HDF5 document set and *
+ * is linked from the top-level documents page. It can also be found at *
+ * http://hdf.ncsa.uiuc.edu/HDF5/doc/Copyright.html. If you do not have *
+ * access to either file, you may request a copy from hdfhelp@ncsa.uiuc.edu. *
+ * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
+
+/*-------------------------------------------------------------------------
+ *
+ * Created: H5FScache.c
+ * May 2 2006
+ * Quincey Koziol <koziol@ncsa.uiuc.edu>
+ *
+ * Purpose: Implement file free space metadata cache methods.
+ *
+ *-------------------------------------------------------------------------
+ */
+
+/****************/
+/* Module Setup */
+/****************/
+
+#define H5FS_PACKAGE /*suppress error about including H5FSpkg */
+
+/***********/
+/* Headers */
+/***********/
+#include "H5private.h" /* Generic Functions */
+#include "H5Eprivate.h" /* Error handling */
+#include "H5FSpkg.h" /* File free space */
+
+/****************/
+/* Local Macros */
+/****************/
+
+/* File free space format version #'s */
+#define H5FS_HDR_VERSION 0 /* Header */
+
+
+/******************/
+/* Local Typedefs */
+/******************/
+
+
+/********************/
+/* Package Typedefs */
+/********************/
+
+
+/********************/
+/* Local Prototypes */
+/********************/
+
+/* Metadata cache callbacks */
+static H5FS_hdr_t *H5FS_cache_hdr_load(H5F_t *f, hid_t dxpl_id, haddr_t addr, const void *udata, void *udata2);
+static herr_t H5FS_cache_hdr_flush(H5F_t *f, hid_t dxpl_id, hbool_t destroy, haddr_t addr, H5FS_hdr_t *hdr);
+static herr_t H5FS_cache_hdr_clear(H5F_t *f, H5FS_hdr_t *hdr, hbool_t destroy);
+static herr_t H5FS_cache_hdr_size(const H5F_t *f, const H5FS_hdr_t *hdr, size_t *size_ptr);
+
+/*********************/
+/* Package Variables */
+/*********************/
+
+/* H5FS header inherits cache-like properties from H5AC */
+const H5AC_class_t H5AC_FSPACE_HDR[1] = {{
+ H5AC_FSPACE_HDR_ID,
+ (H5AC_load_func_t)H5FS_cache_hdr_load,
+ (H5AC_flush_func_t)H5FS_cache_hdr_flush,
+ (H5AC_dest_func_t)H5FS_cache_hdr_dest,
+ (H5AC_clear_func_t)H5FS_cache_hdr_clear,
+ (H5AC_size_func_t)H5FS_cache_hdr_size,
+}};
+
+
+/*****************************/
+/* Library Private Variables */
+/*****************************/
+
+
+/*******************/
+/* Local Variables */
+/*******************/
+
+/* Declare a free list to manage free space header data to/from disk */
+H5FL_BLK_DEFINE_STATIC(header_block);
+
+
+
+/*-------------------------------------------------------------------------
+ * Function: H5FS_cache_hdr_load
+ *
+ * Purpose: Loads a free space header from the disk.
+ *
+ * Return: Success: Pointer to a new free space header
+ *
+ * Failure: NULL
+ *
+ * Programmer: Quincey Koziol
+ * koziol@ncsa.uiuc.edu
+ * May 2 2006
+ *
+ *-------------------------------------------------------------------------
+ */
+static H5FS_hdr_t *
+H5FS_cache_hdr_load(H5F_t *f, hid_t dxpl_id, haddr_t addr, const void UNUSED *udata1, void UNUSED *udata2)
+{
+ H5FS_hdr_t *hdr = NULL; /* Free space header info */
+ size_t size; /* Header size */
+ uint8_t *buf = NULL; /* Temporary buffer */
+ const uint8_t *p; /* Pointer into raw data buffer */
+ uint32_t metadata_chksum; /* Metadata checksum value */
+ H5FS_hdr_t *ret_value; /* Return value */
+
+ FUNC_ENTER_NOAPI_NOINIT(H5FS_cache_hdr_load)
+#ifdef QAK
+HDfprintf(stderr, "%s: Load free space header, addr = %a\n", FUNC, addr);
+#endif /* QAK */
+
+ /* Check arguments */
+ HDassert(f);
+ HDassert(H5F_addr_defined(addr));
+
+ /* Allocate space for the free space header */
+ if(NULL == (hdr = H5FL_MALLOC(H5FS_hdr_t)))
+ HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, NULL, "memory allocation failed")
+ HDmemset(&hdr->cache_info, 0, sizeof(H5AC_info_t));
+
+ /* Compute the size of the free space header on disk */
+ size = H5FS_HEADER_SIZE(f);
+
+ /* Allocate temporary buffer */
+ if((buf = H5FL_BLK_MALLOC(header_block, size)) == NULL)
+ HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, NULL, "memory allocation failed")
+
+ /* Read header from disk */
+ if(H5F_block_read(f, H5FD_MEM_FSPACE_HDR, addr, size, dxpl_id, buf) < 0)
+ HGOTO_ERROR(H5E_FSPACE, H5E_READERROR, NULL, "can't read free space header")
+
+ p = buf;
+
+ /* Magic number */
+ if(HDmemcmp(p, H5FS_HDR_MAGIC, H5FS_SIZEOF_MAGIC))
+ HGOTO_ERROR(H5E_FSPACE, H5E_CANTLOAD, NULL, "wrong free space header signature")
+ p += H5FS_SIZEOF_MAGIC;
+
+ /* Version */
+ if(*p++ != H5FS_HDR_VERSION)
+ HGOTO_ERROR(H5E_FSPACE, H5E_CANTLOAD, NULL, "wrong free space header version")
+
+ /* Metadata flags (unused, currently) */
+/* XXX: Plan out metadata flags (including "read-only duplicate" feature) */
+ if(*p++ != 0)
+ HGOTO_ERROR(H5E_FSPACE, H5E_CANTLOAD, NULL, "unknown metadata flag in free space header")
+
+ /* Metadata checksum (unused, currently) */
+ UINT32DECODE(p, metadata_chksum);
+/* XXX: Verify checksum */
+ if(metadata_chksum != 0)
+ HGOTO_ERROR(H5E_FSPACE, H5E_CANTLOAD, NULL, "incorrect metadata checksum for free space header")
+
+ /* Client ID */
+ hdr->client = *p++;
+ if(hdr->client >= H5FS_NUM_CLIENT_ID)
+ HGOTO_ERROR(H5E_FSPACE, H5E_CANTLOAD, NULL, "unknown client ID in free space header")
+
+ /* Total space tracked */
+ H5F_DECODE_LENGTH(f, p, hdr->tot_space);
+
+ /* # of free space sections tracked */
+ H5F_DECODE_LENGTH(f, p, hdr->sect_count);
+
+ /* # of section classes */
+ UINT16DECODE(p, hdr->nclasses);
+
+ /* Shrink percent */
+ UINT16DECODE(p, hdr->shrink_percent);
+
+ /* Expand percent */
+ UINT16DECODE(p, hdr->expand_percent);
+
+ /* Size of address space free space sections are within (log2 of actual value) */
+ UINT16DECODE(p, hdr->max_sect_addr);
+
+ /* Max. size of section to track */
+ H5F_DECODE_LENGTH(f, p, hdr->max_sect_size);
+
+ /* Address of serialized free space sections */
+ H5F_addr_decode(f, &p, &hdr->sect_addr);
+
+ /* Size of serialized free space sections */
+ H5F_DECODE_LENGTH(f, p, hdr->sect_size);
+
+ /* Allocated size of serialized free space sections */
+ H5F_DECODE_LENGTH(f, p, hdr->alloc_sect_size);
+
+ HDassert((size_t)(p - buf) == size);
+
+ /* Set return value */
+ ret_value = hdr;
+
+done:
+ if(buf)
+ H5FL_BLK_FREE(header_block, buf);
+ if(!ret_value && hdr)
+ (void)H5FS_cache_hdr_dest(f, hdr);
+
+ FUNC_LEAVE_NOAPI(ret_value)
+} /* end H5FS_cache_hdr_load() */ /*lint !e818 Can't make udata a pointer to const */
+
+
+/*-------------------------------------------------------------------------
+ * Function: H5FS_cache_hdr_flush
+ *
+ * Purpose: Flushes a dirty free space header to disk.
+ *
+ * Return: Non-negative on success/Negative on failure
+ *
+ * Programmer: Quincey Koziol
+ * koziol@ncsa.uiuc.edu
+ * May 2 2006
+ *
+ *-------------------------------------------------------------------------
+ */
+static herr_t
+H5FS_cache_hdr_flush(H5F_t *f, hid_t dxpl_id, hbool_t destroy, haddr_t addr, H5FS_hdr_t *hdr)
+{
+ herr_t ret_value = SUCCEED; /* Return value */
+
+ FUNC_ENTER_NOAPI_NOINIT(H5FS_cache_hdr_flush)
+#ifdef QAK
+HDfprintf(stderr, "%s: Flushing free space header, addr = %a, destroy = %u\n", FUNC, addr, (unsigned)destroy);
+#endif /* QAK */
+
+ /* check arguments */
+ HDassert(f);
+ HDassert(H5F_addr_defined(addr));
+ HDassert(hdr);
+
+ if(hdr->cache_info.is_dirty) {
+ uint8_t *buf = NULL; /* Temporary raw data buffer */
+ uint8_t *p; /* Pointer into raw data buffer */
+ size_t size; /* Header size on disk */
+
+ /* Compute the size of the free space header on disk */
+ size = H5FS_HEADER_SIZE(f);
+
+ /* Allocate temporary buffer */
+ if((buf = H5FL_BLK_MALLOC(header_block, size)) == NULL)
+ HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, FAIL, "memory allocation failed")
+
+ p = buf;
+
+ /* Magic number */
+ HDmemcpy(p, H5FS_HDR_MAGIC, H5FS_SIZEOF_MAGIC);
+ p += H5FS_SIZEOF_MAGIC;
+
+ /* Version # */
+ *p++ = H5FS_HDR_VERSION;
+
+ /* Metadata status flags */
+/* XXX: Set this? */
+ *p++ = 0;
+
+ /* Metadata checksum */
+/* XXX: Set this! (After all the metadata is in the buffer) */
+ HDmemset(p, 0, 4);
+ p += 4;
+
+ /* Client ID */
+ *p++ = hdr->client;
+
+ /* Total space tracked */
+ H5F_ENCODE_LENGTH(f, p, hdr->tot_space);
+
+ /* # of free space sections tracked */
+ H5F_ENCODE_LENGTH(f, p, hdr->sect_count);
+
+ /* # of section classes */
+ UINT16ENCODE(p, hdr->nclasses);
+
+ /* Shrink percent */
+ UINT16ENCODE(p, hdr->shrink_percent);
+
+ /* Expand percent */
+ UINT16ENCODE(p, hdr->expand_percent);
+
+ /* Size of address space free space sections are within (log2 of actual value) */
+ UINT16ENCODE(p, hdr->max_sect_addr);
+
+ /* Max. size of section to track */
+ H5F_ENCODE_LENGTH(f, p, hdr->max_sect_size);
+
+ /* Address of serialized free space sections */
+ H5F_addr_encode(f, &p, hdr->sect_addr);
+
+ /* Size of serialized free space sections */
+ H5F_ENCODE_LENGTH(f, p, hdr->sect_size);
+
+ /* Allocated size of serialized free space sections */
+ H5F_ENCODE_LENGTH(f, p, hdr->alloc_sect_size);
+
+ /* Write the free space header. */
+ HDassert((size_t)(p - buf) == size);
+ if(H5F_block_write(f, H5FD_MEM_FSPACE_HDR, addr, size, dxpl_id, buf) < 0)
+ HGOTO_ERROR(H5E_FSPACE, H5E_CANTFLUSH, FAIL, "unable to save free space header to disk")
+
+ H5FL_BLK_FREE(header_block, buf);
+
+ hdr->cache_info.is_dirty = FALSE;
+ } /* end if */
+
+ if(destroy)
+ if(H5FS_cache_hdr_dest(f, hdr) < 0)
+ HGOTO_ERROR(H5E_FSPACE, H5E_CANTFREE, FAIL, "unable to destroy free space header")
+
+done:
+ FUNC_LEAVE_NOAPI(ret_value)
+} /* H5FS_cache_hdr_flush() */
+
+
+/*-------------------------------------------------------------------------
+ * Function: H5FS_cache_hdr_dest
+ *
+ * Purpose: Destroys a free space header in memory.
+ *
+ * Return: Non-negative on success/Negative on failure
+ *
+ * Programmer: Quincey Koziol
+ * koziol@ncsa.uiuc.edu
+ * May 2 2006
+ *
+ *-------------------------------------------------------------------------
+ */
+/* ARGSUSED */
+herr_t
+H5FS_cache_hdr_dest(H5F_t UNUSED *f, H5FS_hdr_t *hdr)
+{
+ FUNC_ENTER_NOAPI_NOINIT_NOFUNC(H5FS_cache_hdr_dest)
+
+ /*
+ * Check arguments.
+ */
+ HDassert(hdr);
+
+ /* Free the shared info itself */
+ H5FL_FREE(H5FS_hdr_t, hdr);
+
+ FUNC_LEAVE_NOAPI(SUCCEED)
+} /* end H5FS_cache_hdr_dest() */
+
+
+/*-------------------------------------------------------------------------
+ * Function: H5FS_cache_hdr_clear
+ *
+ * Purpose: Mark a free space header in memory as non-dirty.
+ *
+ * Return: Non-negative on success/Negative on failure
+ *
+ * Programmer: Quincey Koziol
+ * koziol@ncsa.uiuc.edu
+ * May 2 2006
+ *
+ *-------------------------------------------------------------------------
+ */
+static herr_t
+H5FS_cache_hdr_clear(H5F_t *f, H5FS_hdr_t *hdr, hbool_t destroy)
+{
+ herr_t ret_value = SUCCEED; /* Return value */
+
+ FUNC_ENTER_NOAPI_NOINIT(H5FS_cache_hdr_clear)
+
+ /*
+ * Check arguments.
+ */
+ HDassert(hdr);
+
+ /* Reset the dirty flag. */
+ hdr->cache_info.is_dirty = FALSE;
+
+ if(destroy)
+ if(H5FS_cache_hdr_dest(f, hdr) < 0)
+ HGOTO_ERROR(H5E_FSPACE, H5E_CANTFREE, FAIL, "unable to destroy free space header")
+
+done:
+ FUNC_LEAVE_NOAPI(ret_value)
+} /* end H5FS_cache_hdr_clear() */
+
+
+/*-------------------------------------------------------------------------
+ * Function: H5FS_cache_hdr_size
+ *
+ * Purpose: Compute the size in bytes of a free space header
+ * on disk, and return it in *size_ptr. On failure,
+ * the value of *size_ptr is undefined.
+ *
+ * Return: Non-negative on success/Negative on failure
+ *
+ * Programmer: Quincey Koziol
+ * koziol@ncsa.uiuc.edu
+ * May 2 2006
+ *
+ *-------------------------------------------------------------------------
+ */
+static herr_t
+H5FS_cache_hdr_size(const H5F_t *f, const H5FS_hdr_t *hdr, size_t *size_ptr)
+{
+ FUNC_ENTER_NOAPI_NOINIT_NOFUNC(H5FS_cache_hdr_size)
+
+ /* check arguments */
+ HDassert(f);
+ HDassert(hdr);
+ HDassert(size_ptr);
+
+ /* Set size value */
+ *size_ptr = H5FS_HEADER_SIZE(f);
+
+ FUNC_LEAVE_NOAPI(SUCCEED)
+} /* H5FS_cache_hdr_size() */
+
diff --git a/src/H5FSdbg.c b/src/H5FSdbg.c
new file mode 100644
index 0000000..dcbc846
--- /dev/null
+++ b/src/H5FSdbg.c
@@ -0,0 +1,231 @@
+/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
+ * Copyright by the Board of Trustees of the University of Illinois. *
+ * All rights reserved. *
+ * *
+ * This file is part of HDF5. The full HDF5 copyright notice, including *
+ * terms governing use, modification, and redistribution, is contained in *
+ * the files COPYING and Copyright.html. COPYING can be found at the root *
+ * of the source code distribution tree; Copyright.html can be found at the *
+ * root level of an installed copy of the electronic HDF5 document set and *
+ * is linked from the top-level documents page. It can also be found at *
+ * http://hdf.ncsa.uiuc.edu/HDF5/doc/Copyright.html. If you do not have *
+ * access to either file, you may request a copy from hdfhelp@ncsa.uiuc.edu. *
+ * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
+
+/*-------------------------------------------------------------------------
+ *
+ * Created: H5FSdbg.c
+ * May 9 2006
+ * Quincey Koziol <koziol@ncsa.uiuc.edu>
+ *
+ * Purpose: Dump debugging information about a free space manager
+ *
+ *-------------------------------------------------------------------------
+ */
+
+/****************/
+/* Module Setup */
+/****************/
+
+#define H5FS_PACKAGE /*suppress error about including H5FSpkg */
+#define H5HF_DEBUGGING /* Need access to fractal heap debugging routines */
+
+/***********/
+/* Headers */
+/***********/
+#include "H5private.h" /* Generic Functions */
+#include "H5Eprivate.h" /* Error handling */
+#include "H5FSpkg.h" /* File free space */
+#include "H5HFprivate.h" /* Fractal heaps */
+
+/****************/
+/* Local Macros */
+/****************/
+
+
+/******************/
+/* Local Typedefs */
+/******************/
+
+
+/********************/
+/* Package Typedefs */
+/********************/
+
+
+/********************/
+/* Local Prototypes */
+/********************/
+
+
+/*********************/
+/* Package Variables */
+/*********************/
+
+
+/*****************************/
+/* Library Private Variables */
+/*****************************/
+
+
+/*******************/
+/* Local Variables */
+/*******************/
+
+
+/*-------------------------------------------------------------------------
+ * Function: H5FS_hdr_debug
+ *
+ * Purpose: Prints debugging info about a free space header.
+ *
+ * Return: Non-negative on success/Negative on failure
+ *
+ * Programmer: Quincey Koziol
+ * koziol@ncsa.uiuc.edu
+ * May 9 2006
+ *
+ *-------------------------------------------------------------------------
+ */
+herr_t
+H5FS_hdr_debug(H5F_t *f, hid_t dxpl_id, haddr_t addr, FILE *stream, int indent, int fwidth)
+{
+ H5FS_hdr_t *hdr = NULL; /* Free space header info */
+ herr_t ret_value = SUCCEED; /* Return value */
+
+ FUNC_ENTER_NOAPI(H5FS_hdr_debug, FAIL)
+
+ /*
+ * Check arguments.
+ */
+ HDassert(f);
+ HDassert(H5F_addr_defined(addr));
+ HDassert(stream);
+ HDassert(indent >= 0);
+ HDassert(fwidth >= 0);
+
+ /*
+ * Load the free space header.
+ */
+ if(NULL == (hdr = H5AC_protect(f, dxpl_id, H5AC_FSPACE_HDR, addr, NULL, NULL, H5AC_READ)))
+ HGOTO_ERROR(H5E_FSPACE, H5E_CANTLOAD, FAIL, "unable to load free space header")
+
+ /* Print opening message */
+ HDfprintf(stream, "%*sFree Space Header...\n", indent, "");
+
+ /*
+ * Print the values.
+ */
+ HDfprintf(stream, "%*s%-*s %s\n", indent, "", fwidth,
+ "Free space client:",
+ (hdr->client == H5FS_CLIENT_FHEAP_ID ? "Fractal heap" : "Unknown"));
+ HDfprintf(stream, "%*s%-*s %Hu\n", indent, "", fwidth,
+ "Total free space tracked:",
+ hdr->tot_space);
+ HDfprintf(stream, "%*s%-*s %Hu\n", indent, "", fwidth,
+ "Number of free space sections tracked:",
+ hdr->sect_count);
+ HDfprintf(stream, "%*s%-*s %u\n", indent, "", fwidth,
+ "Number of free space section classes:",
+ hdr->nclasses);
+ HDfprintf(stream, "%*s%-*s %u%%\n", indent, "", fwidth,
+ "Shrink percent:",
+ hdr->shrink_percent);
+ HDfprintf(stream, "%*s%-*s %u%%\n", indent, "", fwidth,
+ "Expand percent:",
+ hdr->expand_percent);
+ HDfprintf(stream, "%*s%-*s %u\n", indent, "", fwidth,
+ "# of bits for section address space:",
+ hdr->max_sect_addr);
+ HDfprintf(stream, "%*s%-*s %Hu\n", indent, "", fwidth,
+ "Maximum section size:",
+ hdr->max_sect_size);
+ HDfprintf(stream, "%*s%-*s %a\n", indent, "", fwidth,
+ "Serialized sections address:",
+ hdr->sect_addr);
+ HDfprintf(stream, "%*s%-*s %Hu\n", indent, "", fwidth,
+ "Serialized sections size used:",
+ hdr->sect_size);
+ HDfprintf(stream, "%*s%-*s %Hu\n", indent, "", fwidth,
+ "Serialized sections size allocated:",
+ hdr->alloc_sect_size);
+
+done:
+ if(hdr && H5AC_unprotect(f, dxpl_id, H5AC_FSPACE_HDR, addr, hdr, H5AC__NO_FLAGS_SET) < 0)
+ HDONE_ERROR(H5E_FSPACE, H5E_PROTECT, FAIL, "unable to release free space header")
+
+ FUNC_LEAVE_NOAPI(ret_value)
+} /* end H5FS_hdr_debug() */
+
+
+/*-------------------------------------------------------------------------
+ * Function: H5FS_sects_debug
+ *
+ * Purpose: Prints debugging info about the free space sections.
+ *
+ * Return: Non-negative on success/Negative on failure
+ *
+ * Programmer: Quincey Koziol
+ * koziol@ncsa.uiuc.edu
+ * May 9 2006
+ *
+ *-------------------------------------------------------------------------
+ */
+herr_t
+H5FS_sects_debug(H5F_t *f, hid_t dxpl_id, haddr_t addr, FILE *stream, int indent, int fwidth,
+ haddr_t fs_addr, haddr_t client_addr)
+{
+ H5FS_hdr_t *hdr = NULL; /* Free space header info */
+ H5FS_client_t client; /* The client of the free space */
+ herr_t ret_value = SUCCEED; /* Return value */
+
+ FUNC_ENTER_NOAPI(H5FS_sects_debug, FAIL)
+
+ /*
+ * Check arguments.
+ */
+ HDassert(f);
+ HDassert(H5F_addr_defined(addr));
+ HDassert(stream);
+ HDassert(indent >= 0);
+ HDassert(fwidth >= 0);
+ HDassert(H5F_addr_defined(fs_addr));
+ HDassert(H5F_addr_defined(client_addr));
+
+ /*
+ * Load the free space header.
+ */
+ if(NULL == (hdr = H5AC_protect(f, dxpl_id, H5AC_FSPACE_HDR, fs_addr, NULL, NULL, H5AC_READ)))
+ HGOTO_ERROR(H5E_FSPACE, H5E_CANTLOAD, FAIL, "unable to load free space header")
+
+ /* Retrieve the client id */
+ client = hdr->client;
+
+ /* Release the free space header */
+ if(H5AC_unprotect(f, dxpl_id, H5AC_FSPACE_HDR, fs_addr, hdr, H5AC__NO_FLAGS_SET) < 0)
+ HDONE_ERROR(H5E_FSPACE, H5E_PROTECT, FAIL, "unable to release free space header")
+ hdr = NULL;
+
+ /* Print opening message */
+ HDfprintf(stream, "%*sFree Space Sections...\n", indent, "");
+
+ /*
+ * Print the values.
+ */
+ switch(client) {
+ case H5FS_CLIENT_FHEAP_ID:
+ if(H5HF_sects_debug(f, dxpl_id, client_addr, stream, indent + 3, MAX(0, fwidth - 3)) < 0)
+ HGOTO_ERROR(H5E_FSPACE, H5E_SYSTEM, FAIL, "unable to dump fractal heap free space sections")
+ break;
+
+ default:
+ HDfprintf(stream, "Unknown client!\n");
+ break;
+ } /* end switch */
+
+done:
+ if(hdr && H5AC_unprotect(f, dxpl_id, H5AC_FSPACE_HDR, fs_addr, hdr, H5AC__NO_FLAGS_SET) < 0)
+ HDONE_ERROR(H5E_FSPACE, H5E_PROTECT, FAIL, "unable to release free space header")
+
+ FUNC_LEAVE_NOAPI(ret_value)
+} /* end H5FS_sects_debug() */
+
diff --git a/src/H5FSpkg.h b/src/H5FSpkg.h
new file mode 100644
index 0000000..98a945e
--- /dev/null
+++ b/src/H5FSpkg.h
@@ -0,0 +1,127 @@
+/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
+ * Copyright by the Board of Trustees of the University of Illinois. *
+ * All rights reserved. *
+ * *
+ * This file is part of HDF5. The full HDF5 copyright notice, including *
+ * terms governing use, modification, and redistribution, is contained in *
+ * the files COPYING and Copyright.html. COPYING can be found at the root *
+ * of the source code distribution tree; Copyright.html can be found at the *
+ * root level of an installed copy of the electronic HDF5 document set and *
+ * is linked from the top-level documents page. It can also be found at *
+ * http://hdf.ncsa.uiuc.edu/HDF5/doc/Copyright.html. If you do not have *
+ * access to either file, you may request a copy from hdfhelp@ncsa.uiuc.edu. *
+ * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
+
+/*
+ * Programmer: Quincey Koziol <koziol@ncsa.uiuc.edu>
+ * Tuesday, May 2, 2006
+ *
+ * Purpose: This file contains declarations which are visible only within
+ * the H5FS package. Source files outside the H5FS package should
+ * include H5FSprivate.h instead.
+ */
+#ifndef H5FS_PACKAGE
+#error "Do not include this file outside the H5FS package!"
+#endif
+
+#ifndef _H5FSpkg_H
+#define _H5FSpkg_H
+
+/* Get package's private header */
+#include "H5FSprivate.h" /* File free space */
+
+/* Other private headers needed by this file */
+#include "H5ACprivate.h" /* Metadata cache */
+
+/**************************/
+/* Package Private Macros */
+/**************************/
+
+/* Size of signature information (on disk) */
+#define H5FS_SIZEOF_MAGIC 4
+
+/* Free space signatures */
+#define H5FS_HDR_MAGIC "FSHD" /* Header */
+#define H5FS_SECTS_MAGIC "FSSS" /* Serialized sections */
+
+/* "Standard" size of prefix information for free space metadata */
+#define H5FS_METADATA_PREFIX_SIZE ( \
+ 4 /* Signature */ \
+ + 1 /* Version */ \
+ + 1 /* Metadata flags */ \
+ + 4 /* Metadata checksum */ \
+ )
+
+/* Size of the fractal heap header on disk */
+#define H5FS_HEADER_SIZE(f) ( \
+ /* General metadata fields */ \
+ H5FS_METADATA_PREFIX_SIZE \
+ \
+ /* Free space header specific fields */ \
+ + 1 /* Client ID */ \
+ + H5F_SIZEOF_SIZE(f) /* Total free space tracked */ \
+ + H5F_SIZEOF_SIZE(f) /* # of sections tracked */ \
+ + 2 /* Number of section classes */ \
+ + 2 /* Shrink percent */ \
+ + 2 /* Expand percent */ \
+ + 2 /* Size of address space for sections (log2 of value) */ \
+ + H5F_SIZEOF_SIZE(f) /* Max. size of section to track */ \
+ + H5F_SIZEOF_ADDR(f) /* Address of serialized free space sections */ \
+ + H5F_SIZEOF_SIZE(f) /* Size of serialized free space sections used */ \
+ + H5F_SIZEOF_SIZE(f) /* Allocated size of serialized free space sections */ \
+ )
+
+/****************************/
+/* Package Private Typedefs */
+/****************************/
+
+/* Free space header info */
+typedef struct H5FS_hdr_t {
+ /* Information for H5AC cache functions, _must_ be first field in structure */
+ H5AC_info_t cache_info;
+
+ /* Statistics */
+ hsize_t tot_space; /* Total amount of space tracked */
+ hsize_t sect_count; /* # of sections tracked */
+
+ /* Creation information */
+ H5FS_client_t client; /* Type of user of this free space manager */
+ unsigned nclasses; /* Number of section classes handled */
+ unsigned shrink_percent; /* Percent of "normal" serialized size to shrink serialized space at */
+ unsigned expand_percent; /* Percent of "normal" serialized size to expand serialized space at */
+ unsigned max_sect_addr; /* Size of address space free sections are within (log2 of actual value) */
+ hsize_t max_sect_size; /* Maximum size of section to track */
+
+ /* Serialized space information */
+ haddr_t sect_addr; /* Address of the section info in the file */
+ hsize_t sect_size; /* Size of the section info in the file */
+ hsize_t alloc_sect_size; /* Allocated size of the section info in the file */
+} H5FS_hdr_t;
+
+
+/*****************************/
+/* Package Private Variables */
+/*****************************/
+
+/* H5FS header inherits cache-like properties from H5AC */
+H5_DLLVAR const H5AC_class_t H5AC_FSPACE_HDR[1];
+
+/* Declare a free list to manage the H5FS_hdr_t struct */
+H5FL_EXTERN(H5FS_hdr_t);
+
+
+/******************************/
+/* Package Private Prototypes */
+/******************************/
+
+/* Debugging routines for dumping file structures */
+H5_DLL herr_t H5FS_hdr_debug(H5F_t *f, hid_t dxpl_id, haddr_t addr,
+ FILE *stream, int indent, int fwidth);
+H5_DLL herr_t H5FS_sects_debug(H5F_t *f, hid_t dxpl_id, haddr_t addr,
+ FILE *stream, int indent, int fwidth, haddr_t fs_addr, haddr_t client_addr);
+
+/* Metadata cache callbacks */
+H5_DLL herr_t H5FS_cache_hdr_dest(H5F_t *f, H5FS_hdr_t *hdr);
+
+#endif /* _H5FSpkg_H */
+
diff --git a/src/H5FSprivate.h b/src/H5FSprivate.h
new file mode 100644
index 0000000..e6d669c
--- /dev/null
+++ b/src/H5FSprivate.h
@@ -0,0 +1,120 @@
+/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
+ * Copyright by the Board of Trustees of the University of Illinois. *
+ * All rights reserved. *
+ * *
+ * This file is part of HDF5. The full HDF5 copyright notice, including *
+ * terms governing use, modification, and redistribution, is contained in *
+ * the files COPYING and Copyright.html. COPYING can be found at the root *
+ * of the source code distribution tree; Copyright.html can be found at the *
+ * root level of an installed copy of the electronic HDF5 document set and *
+ * is linked from the top-level documents page. It can also be found at *
+ * http://hdf.ncsa.uiuc.edu/HDF5/doc/Copyright.html. If you do not have *
+ * access to either file, you may request a copy from hdfhelp@ncsa.uiuc.edu. *
+ * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
+
+/*-------------------------------------------------------------------------
+ *
+ * Created: H5FSprivate.h
+ * May 2 2006
+ * Quincey Koziol <koziol@ncsa.uiuc.edu>
+ *
+ * Purpose: Private header for library accessible file free space routines.
+ *
+ *-------------------------------------------------------------------------
+ */
+
+#ifndef _H5FSprivate_H
+#define _H5FSprivate_H
+
+/* Include package's public header */
+#include "H5FSpublic.h"
+
+/* Private headers needed by this file */
+#include "H5Fprivate.h" /* File access */
+#include "H5FLprivate.h" /* Free Lists */
+#include "H5SLprivate.h" /* Skip lists */
+
+/**************************/
+/* Library Private Macros */
+/**************************/
+
+
+/****************************/
+/* Library Private Typedefs */
+/****************************/
+
+/* Free space info (forward decl - defined in H5FS.c) */
+typedef struct H5FS_t H5FS_t;
+
+/* Forward declaration free space section info */
+typedef struct H5FS_section_info_t H5FS_section_info_t;
+
+/* Free space section class info */
+typedef struct H5FS_section_class_t {
+ unsigned type; /* Type of free space section */
+ size_t serial_size; /* Size of serialized form of section */
+ herr_t (*init)(struct H5FS_section_class_t *, const void *); /* Routine to initialize class-specific settings */
+ herr_t (*serialize)(const H5FS_section_info_t *, uint8_t *); /* Routine to serialize a "live" section into a buffer */
+ herr_t (*deserialize)(struct H5FS_section_class_t *cls, const uint8_t *,
+ haddr_t, hsize_t, H5FS_section_info_t **); /* Routine to deserialize a buffer into a "live" section */
+ herr_t (*debug)(const H5FS_section_info_t *, FILE *,
+ int , int ); /* Routine to dump debugging information about a section */
+} H5FS_section_class_t;
+
+/* Free space section info */
+struct H5FS_section_info_t {
+ haddr_t addr; /* Address of free space section in the address space */
+ /* (Not actually used as address, used as unique ID for free space node) */
+ hsize_t size; /* Size of free space section */
+ H5FS_section_class_t *cls; /* Class of free space section */
+ enum {
+ H5FS_SECT_LIVE, /* Section has "live" memory references */
+ H5FS_SECT_SERIALIZED} /* Section is in "serialized" form */
+ state; /* Whether the section is in "serialized" or "live" form */
+};
+
+/* Free space client IDs for identifying user of free space */
+typedef enum H5FS_client_t {
+ H5FS_CLIENT_FHEAP_ID = 0, /* Free space is used by fractal heap */
+ H5FS_NUM_CLIENT_ID /* Number of free space client IDs (must be last) */
+} H5FS_client_t;
+
+/* Free space creation parameters */
+typedef struct H5FS_create_t {
+ H5FS_client_t client; /* Client's ID */
+ unsigned shrink_percent; /* Percent of "normal" serialized size to shrink serialized space at */
+ unsigned expand_percent; /* Percent of "normal" serialized size to expand serialized space at */
+ unsigned max_sect_addr; /* Size of address space free sections are within (log2 of actual value) */
+ hsize_t max_sect_size; /* Maximum size of section to track */
+} H5FS_create_t;
+
+/* Typedef for iteration operations */
+typedef herr_t (*H5FS_operator_t)(const H5FS_section_info_t *sect,
+ void *operator_data/*in,out*/);
+
+
+/*****************************/
+/* Library-private Variables */
+/*****************************/
+
+/* Declare a free list to manage the H5FS_section_class_t sequence information */
+H5FL_SEQ_EXTERN(H5FS_section_class_t);
+
+
+/***************************************/
+/* Library-private Function Prototypes */
+/***************************************/
+H5_DLL H5FS_t *H5FS_create(H5F_t *f, hid_t dxpl_id, haddr_t *fs_addr,
+ const H5FS_create_t *fs_create, H5SL_operator_t node_free_op,
+ size_t nclasses, H5FS_section_class_t *classes, const void *cls_init_udata);
+H5_DLL H5FS_t *H5FS_open(H5F_t *f, hid_t dxpl_id, haddr_t fs_addr,
+ H5SL_operator_t node_free_op, size_t nclasses,
+ H5FS_section_class_t *classes, const void *cls_init_udata);
+H5_DLL herr_t H5FS_add(H5F_t *f, hid_t dxpl_id, H5FS_t *fspace, H5FS_section_info_t *node);
+H5_DLL htri_t H5FS_find(H5F_t *f, hid_t dxpl_id, H5FS_t *fspace, hsize_t request, H5FS_section_info_t **node);
+H5_DLL herr_t H5FS_iterate(H5FS_t *fspace, H5FS_operator_t op, void *op_data);
+H5_DLL herr_t H5FS_flush(H5F_t *f, hid_t dxpl_id, unsigned flags);
+H5_DLL herr_t H5FS_close(H5F_t *f, hid_t dxpl_id, H5FS_t *fspace);
+
+#endif /* _H5FSprivate_H */
+
diff --git a/src/H5FSpublic.h b/src/H5FSpublic.h
new file mode 100644
index 0000000..dabd091
--- /dev/null
+++ b/src/H5FSpublic.h
@@ -0,0 +1,53 @@
+/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
+ * Copyright by the Board of Trustees of the University of Illinois. *
+ * All rights reserved. *
+ * *
+ * This file is part of HDF5. The full HDF5 copyright notice, including *
+ * terms governing use, modification, and redistribution, is contained in *
+ * the files COPYING and Copyright.html. COPYING can be found at the root *
+ * of the source code distribution tree; Copyright.html can be found at the *
+ * root level of an installed copy of the electronic HDF5 document set and *
+ * is linked from the top-level documents page. It can also be found at *
+ * http://hdf.ncsa.uiuc.edu/HDF5/doc/Copyright.html. If you do not have *
+ * access to either file, you may request a copy from hdfhelp@ncsa.uiuc.edu. *
+ * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
+
+/*-------------------------------------------------------------------------
+ *
+ * Created: H5FSpublic.h
+ * May 2 2006
+ * Quincey Koziol <koziol@ncsa.uiuc.edu>
+ *
+ * Purpose: Public declarations for the file free space package.
+ *
+ *-------------------------------------------------------------------------
+ */
+
+#ifndef _H5FSpublic_H
+#define _H5FSpublic_H
+
+/* Public headers needed by this file */
+#include "H5public.h"
+
+/*****************/
+/* Public Macros */
+/*****************/
+
+/*******************/
+/* Public Typedefs */
+/*******************/
+
+/**********************************/
+/* Public API Function Prototypes */
+/**********************************/
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _H5FSpublic_H */
+
diff --git a/src/H5HF.c b/src/H5HF.c
index 4e26927..ec9ca8a 100644
--- a/src/H5HF.c
+++ b/src/H5HF.c
@@ -67,9 +67,6 @@
/* Package Variables */
/*********************/
-/* Declare a free list to manage the H5HF_hdr_t struct */
-H5FL_DEFINE(H5HF_hdr_t);
-
/*****************************/
/* Library Private Variables */
@@ -141,20 +138,17 @@ HDfprintf(stderr, "%s: hdr->id_len = %Zu\n", FUNC, hdr->id_len);
HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, NULL, "memory allocation failed for fractal heap info")
/* Lock the heap header into memory */
-#ifdef QAK
-HDfprintf(stderr, "%s: fh_addr = %a\n", FUNC, fh_addr);
-#endif /* QAK */
if(NULL == (hdr = H5AC_protect(f, dxpl_id, H5AC_FHEAP_HDR, hdr_addr, NULL, NULL, H5AC_WRITE)))
HGOTO_ERROR(H5E_HEAP, H5E_CANTPROTECT, NULL, "unable to load fractal heap header")
- /* Point fractal heap wrapper at header */
+ /* Point fractal heap wrapper at header and bump it's ref count */
fh->hdr = hdr;
if(H5HF_hdr_incr(fh->hdr) < 0)
HGOTO_ERROR(H5E_HEAP, H5E_CANTINC, NULL, "can't increment reference count on shared heap header")
/* Unlock heap header, now pinned */
if(H5AC_unprotect(f, dxpl_id, H5AC_FHEAP_HDR, hdr_addr, hdr, H5AC__NO_FLAGS_SET) < 0)
- HDONE_ERROR(H5E_HEAP, H5E_CANTUNPROTECT, NULL, "unable to release fractal heap header")
+ HGOTO_ERROR(H5E_HEAP, H5E_CANTUNPROTECT, NULL, "unable to release fractal heap header")
hdr = NULL;
/* Add heap to list of open objects in file */
@@ -170,7 +164,7 @@ HDfprintf(stderr, "%s: fh_addr = %a\n", FUNC, fh_addr);
done:
if(!ret_value) {
if(fh)
- (void)H5HF_close(fh);
+ (void)H5HF_close(fh, dxpl_id);
else if(hdr)
(void)H5HF_cache_hdr_dest(f, hdr);
} /* end if */
@@ -253,7 +247,7 @@ done:
HDONE_ERROR(H5E_HEAP, H5E_PROTECT, NULL, "unable to release fractal heap header")
if(!ret_value) {
if(fh)
- (void)H5HF_close(fh);
+ (void)H5HF_close(fh, dxpl_id);
} /* end if */
FUNC_LEAVE_NOAPI(ret_value)
@@ -387,6 +381,43 @@ done:
/*-------------------------------------------------------------------------
+ * Function: H5HF_get_obj_len
+ *
+ * Purpose: Get the size of an entry in a fractal heap
+ *
+ * Return: SUCCEED/FAIL
+ *
+ * Programmer: Quincey Koziol
+ * koziol@ncsa.uiuc.edu
+ * May 9 2006
+ *
+ *-------------------------------------------------------------------------
+ */
+herr_t
+H5HF_get_obj_len(H5HF_t *fh, const void *_id, size_t *obj_len_p)
+{
+ const uint8_t *id = (const uint8_t *)_id; /* Object ID */
+
+ FUNC_ENTER_NOAPI_NOFUNC(H5HF_get_obj_len)
+
+ /*
+ * Check arguments.
+ */
+ HDassert(fh);
+ HDassert(id);
+ HDassert(obj_len_p);
+
+ /* Skip over object offset */
+ id += fh->hdr->heap_off_size;
+
+ /* Retrieve the entry length */
+ UINT64DECODE_VAR(id, *obj_len_p, fh->hdr->id_len);
+
+ FUNC_LEAVE_NOAPI(SUCCEED)
+} /* end H5HF_get_obj_len() */
+
+
+/*-------------------------------------------------------------------------
* Function: H5HF_read
*
* Purpose: Read an object from a fractal heap into a buffer
@@ -456,7 +487,7 @@ done:
*-------------------------------------------------------------------------
*/
herr_t
-H5HF_close(H5HF_t *fh)
+H5HF_close(H5HF_t *fh, hid_t dxpl_id)
{
herr_t ret_value = SUCCEED;
@@ -474,19 +505,15 @@ H5HF_close(H5HF_t *fh)
if(0 == fh->fo_count) {
/* Remove the heap from the list of opened objects in the file */
if(H5FO_delete(fh->hdr->f, H5AC_dxpl_id, fh->hdr->heap_addr) < 0)
- HGOTO_ERROR(H5E_SYM, H5E_CANTRELEASE, FAIL, "can't remove group from list of open objects")
+ HGOTO_ERROR(H5E_HEAP, H5E_CANTRELEASE, FAIL, "can't remove group from list of open objects")
- /* Reset the free list information */
- /* (Bump the "generation" counter in case this heap header is still
- * in the cache when the heap is re-opened -QAK)
- */
- H5HF_flist_reset(fh->hdr->flist);
- fh->hdr->fl_gen++;
- fh->hdr->freelist_sync = FALSE;
+ /* Close the free space information */
+ if(H5HF_space_close(fh->hdr, dxpl_id) < 0)
+ HGOTO_ERROR(H5E_HEAP, H5E_CANTRELEASE, FAIL, "can't release free space info")
/* Reset the block iterator */
if(H5HF_man_iter_reset(&fh->hdr->next_block) < 0)
- HGOTO_ERROR(H5E_SYM, H5E_CANTRELEASE, FAIL, "can't reset block iterator")
+ HGOTO_ERROR(H5E_HEAP, H5E_CANTRELEASE, FAIL, "can't reset block iterator")
/* Decrement the reference count on the heap header */
if(H5HF_hdr_decr(fh->hdr) < 0)
diff --git a/src/H5HFcache.c b/src/H5HFcache.c
index c9d4163..1e6c1ed 100644
--- a/src/H5HFcache.c
+++ b/src/H5HFcache.c
@@ -321,6 +321,9 @@ HDfprintf(stderr, "%s: Load heap header, addr = %a\n", FUNC, addr);
H5F_DECODE_LENGTH(f, p, hdr->total_man_free);
H5F_DECODE_LENGTH(f, p, hdr->total_std_free);
+ /* Address of free section header */
+ H5F_addr_decode(f, &p, &(hdr->fs_addr));
+
/* Statistics information */
H5F_DECODE_LENGTH(f, p, hdr->total_size);
H5F_DECODE_LENGTH(f, p, hdr->man_size);
@@ -334,17 +337,11 @@ HDfprintf(stderr, "%s: Load heap header, addr = %a\n", FUNC, addr);
HDassert((size_t)(p - buf) == size);
- /* If the heap has any blocks stored, the memory free list is out of sync */
- if(H5F_addr_defined(hdr->man_dtable.table_addr))
- hdr->freelist_sync = FALSE;
- else
- hdr->freelist_sync = TRUE;
-
/* Finish initialization of heap header */
if(H5HF_hdr_finish_init(hdr) < 0)
HGOTO_ERROR(H5E_RESOURCE, H5E_CANTINIT, NULL, "can't finish initializing shared fractal heap header")
#ifdef QAK
-HDfprintf(stderr, "%s: hdr->flist = %p\n", FUNC, hdr->flist);
+HDfprintf(stderr, "%s: hdr->fspace = %p\n", FUNC, hdr->fspace);
#endif /* QAK */
/* Set return value */
@@ -431,6 +428,9 @@ HDfprintf(stderr, "%s: Flushing heap header, addr = %a, destroy = %u\n", FUNC, a
H5F_ENCODE_LENGTH(f, p, hdr->total_man_free);
H5F_ENCODE_LENGTH(f, p, hdr->total_std_free);
+ /* Address of free section header */
+ H5F_addr_encode(f, &p, hdr->fs_addr);
+
/* Statistics information */
H5F_ENCODE_LENGTH(f, p, hdr->total_size);
H5F_ENCODE_LENGTH(f, p, hdr->man_size);
@@ -487,9 +487,6 @@ H5HF_cache_hdr_dest(H5F_t UNUSED *f, H5HF_hdr_t *hdr)
HDassert(hdr);
HDassert(hdr->rc == 0);
- /* Free the free list section information */
- H5HF_flist_free(hdr->flist);
-
/* Free the block size lookup table for the doubling table */
H5HF_dtable_dest(&hdr->man_dtable);
@@ -615,8 +612,6 @@ H5HF_cache_dblock_load(H5F_t *f, hid_t dxpl_id, haddr_t addr, const void *_size,
/* Set block's internal information */
dblock->size = *size;
dblock->blk_off_size = H5HF_SIZEOF_OFFSET_LEN(dblock->size);
- dblock->free_list = NULL;
- dblock->fl_gen = 0;
/* Allocate block buffer */
/* XXX: Change to using free-list factories */
@@ -661,22 +656,11 @@ H5HF_cache_dblock_load(H5F_t *f, hid_t dxpl_id, haddr_t addr, const void *_size,
/* Share parent block */
if(H5HF_iblock_incr(dblock->parent) < 0)
HGOTO_ERROR(H5E_HEAP, H5E_CANTINC, NULL, "can't increment reference count on shared indirect block")
-
- /* Retrieve this block's free space from parent */
- dblock->blk_free_space = dblock->parent->ents[dblock->par_entry].free_space;
} /* end if */
- else {
- /* Direct block is linked directly from heap header */
- dblock->blk_free_space = dblock->hdr->total_man_free;
- } /* end else */
/* Offset of heap within the heap's address space */
UINT64DECODE_VAR(p, dblock->block_off, dblock->hdr->heap_off_size);
- /* Offset of free list head */
- /* (Defer deserializing the whole free list until we actually need to modify it) */
- UINT64DECODE_VAR(p, dblock->free_list_head, dblock->blk_off_size);
-
/* Set return value */
ret_value = dblock;
@@ -748,46 +732,8 @@ H5HF_cache_dblock_flush(H5F_t *f, hid_t dxpl_id, hbool_t destroy, haddr_t addr,
if(hdr->addrmap != H5HF_ABSOLUTE)
HGOTO_ERROR(H5E_HEAP, H5E_UNSUPPORTED, FAIL, "encoding mapped direct blocks not supported currently")
- /* Offset of free list head */
- UINT64ENCODE_VAR(p, dblock->free_list_head, dblock->blk_off_size);
-
/* Sanity check */
- HDassert((size_t)(p - dblock->blk) == H5HF_MAN_ABS_DIRECT_OVERHEAD_DBLOCK(hdr, dblock));
-
- /* Check for dirty free list */
- if(dblock->free_list && dblock->free_list->dirty) {
- H5HF_direct_free_node_t *node; /* Pointer to free list node for block */
-
- /* Loop over all free list blocks, updating their data */
- node = dblock->free_list->first;
- while(node) {
- /* Find first node which has enough room to describe free space */
- while(node && node->size < H5HF_MAN_ABS_DIRECT_FREE_NODE_SIZE(dblock))
- node = node->next;
-
- /* Check for free space node to encode */
- if(node) {
- H5HF_direct_free_node_t *next_node; /* Pointer to next free list node for block */
-
- /* Probe ahead for next node that is large enough to encode free space description */
- next_node = node->next;
- while(next_node && next_node->size < H5HF_MAN_ABS_DIRECT_FREE_NODE_SIZE(dblock))
- next_node = next_node->next;
-
- /* Encode information for this node on free list */
- p = dblock->blk + node->my_offset;
- UINT64ENCODE_VAR(p, node->size, dblock->blk_off_size);
- UINT64ENCODE_VAR(p, (next_node ? next_node->my_offset : 0), dblock->blk_off_size);
-
- /* Advance to next node */
- node = node->next;
- } /* end if */
-
- } /* end while */
-
- /* Reset the free list dirty flag */
- dblock->free_list->dirty = FALSE;
- } /* end if */
+ HDassert((size_t)(p - dblock->blk) == H5HF_MAN_ABS_DIRECT_OVERHEAD(hdr));
/* Write the direct block */
if(H5F_block_write(f, H5FD_MEM_FHEAP_DBLOCK, addr, (size_t)dblock->size, dxpl_id, dblock->blk) < 0)
@@ -839,11 +785,6 @@ H5HF_cache_dblock_dest(H5F_t UNUSED *f, H5HF_direct_t *dblock)
if(H5HF_iblock_decr(dblock->parent) < 0)
HGOTO_ERROR(H5E_HEAP, H5E_CANTDEC, FAIL, "can't decrement reference count on shared indirect block")
- /* Check for free list & free it, if necessary */
- if(dblock->free_list)
- if(H5HF_man_dblock_destroy_freelist(dblock) < 0)
- HGOTO_ERROR(H5E_HEAP, H5E_CANTDEC, FAIL, "can't destroy free list for direct block")
-
/* Free block's buffer */
H5FL_BLK_FREE(direct_block, dblock->blk);
@@ -880,9 +821,6 @@ H5HF_cache_dblock_clear(H5F_t *f, H5HF_direct_t *dblock, hbool_t destroy)
*/
HDassert(dblock);
- /* Reset the free list dirty flag */
- dblock->free_list->dirty = FALSE;
-
/* Reset the dirty flag. */
dblock->cache_info.is_dirty = FALSE;
@@ -951,9 +889,6 @@ H5HF_cache_iblock_load(H5F_t *f, hid_t dxpl_id, haddr_t addr, const void *_nrows
const uint8_t *p; /* Pointer into raw data buffer */
haddr_t heap_addr; /* Address of heap header in the file */
uint32_t metadata_chksum; /* Metadata checksum value */
-#ifndef NDEBUG
- hsize_t acc_child_free_space; /* Accumulated child free space */
-#endif /* NDEBUG */
size_t u; /* Local index variable */
H5HF_indirect_t *ret_value; /* Return value */
@@ -982,7 +917,6 @@ HDfprintf(stderr, "%s: Load indirect block, addr = %a\n", FUNC, addr);
iblock->nrows = *nrows;
iblock->addr = addr;
iblock->dirty = FALSE;
- iblock->fl_gen = 0;
/* Compute size of indirect block */
iblock->size = H5HF_MAN_INDIRECT_SIZE(iblock->hdr, iblock);
@@ -1031,16 +965,10 @@ HDfprintf(stderr, "%s: Load indirect block, addr = %a\n", FUNC, addr);
if(H5HF_iblock_incr(iblock->parent) < 0)
HGOTO_ERROR(H5E_HEAP, H5E_CANTINC, NULL, "can't increment reference count on shared indirect block")
- /* Retrieve this block's free space from parent */
- iblock->child_free_space = iblock->parent->ents[iblock->par_entry].free_space;
-
/* Set max. # of rows in this block */
iblock->max_rows = iblock->nrows;
} /* end if */
else {
- /* Direct block is linked directly from heap header */
- iblock->child_free_space = iblock->hdr->total_man_free;
-
/* Set max. # of rows in this block */
iblock->max_rows = iblock->hdr->man_dtable.max_root_rows;
} /* end else */
@@ -1052,29 +980,19 @@ HDfprintf(stderr, "%s: Load indirect block, addr = %a\n", FUNC, addr);
HDassert(iblock->nrows > 0);
if(NULL == (iblock->ents = H5FL_SEQ_MALLOC(H5HF_indirect_ent_t, (iblock->nrows * iblock->hdr->man_dtable.cparam.width))))
HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, NULL, "memory allocation failed for direct entries")
-#ifndef NDEBUG
- /* Reset child free space */
- acc_child_free_space = 0;
-#endif /* NDEBUG */
for(u = 0; u < (iblock->nrows * iblock->hdr->man_dtable.cparam.width); u++) {
- /* Decode block address */
+ /* Decode child block address */
H5F_addr_decode(f, &p, &(iblock->ents[u].addr));
- /* Decode direct & indirect blocks differently */
+#ifdef LATER
+ /* Decode direct & indirect blocks differently (later, when direct blocks can be compressed) */
if(u < (iblock->hdr->man_dtable.max_direct_rows * iblock->hdr->man_dtable.cparam.width))
UINT32DECODE_VAR(p, iblock->ents[u].free_space, iblock->hdr->man_dtable.max_dir_blk_off_size)
- else
- UINT64DECODE_VAR(p, iblock->ents[u].free_space, iblock->hdr->heap_off_size)
+#endif /* LATER */
#ifdef QAK
-HDfprintf(stderr, "%s: iblock->ents[%Zu] = {%a, %Hu}\n", FUNC, u, iblock->ents[u].addr, iblock->ents[u].free_space);
+HDfprintf(stderr, "%s: iblock->ents[%Zu] = {%a}\n", FUNC, u, iblock->ents[u].addr);
#endif /* QAK */
-#ifndef NDEBUG
- acc_child_free_space += iblock->ents[u].free_space;
-#endif /* NDEBUG */
} /* end for */
-#ifndef NDEBUG
- HDassert(iblock->parent == NULL || acc_child_free_space == iblock->child_free_space);
-#endif /* NDEBUG */
/* Sanity check */
HDassert((size_t)(p - buf) == iblock->size);
@@ -1172,16 +1090,16 @@ HDfprintf(stderr, "%s: hdr->man_dtable.cparam.width = %u\n", FUNC, hdr->man_dtab
/* Encode indirect block-specific fields */
for(u = 0; u < (iblock->nrows * hdr->man_dtable.cparam.width); u++) {
#ifdef QAK
-HDfprintf(stderr, "%s: iblock->ents[%Zu] = {%a, %Hu}\n", FUNC, u, iblock->ents[u].addr, iblock->ents[u].free_space);
+HDfprintf(stderr, "%s: iblock->ents[%Zu] = {%a}\n", FUNC, u, iblock->ents[u].addr);
#endif /* QAK */
- /* Encode block address */
+ /* Encode child block address */
H5F_addr_encode(f, &p, iblock->ents[u].addr);
- /* Encode direct & indirect blocks differently */
+#ifdef LATER
+ /* Encode direct & indirect blocks differently (when direct blocks can be compressed) */
if(u < (hdr->man_dtable.max_direct_rows * hdr->man_dtable.cparam.width))
UINT32ENCODE_VAR(p, iblock->ents[u].free_space, hdr->man_dtable.max_dir_blk_off_size)
- else
- UINT64ENCODE_VAR(p, iblock->ents[u].free_space, hdr->heap_off_size)
+#endif /* LATER */
} /* end for */
/* Sanity check */
diff --git a/src/H5HFdbg.c b/src/H5HFdbg.c
index 6173fd8..3135590 100644
--- a/src/H5HFdbg.c
+++ b/src/H5HFdbg.c
@@ -28,6 +28,7 @@
/****************/
#define H5HF_PACKAGE /*suppress error about including H5HFpkg */
+#define H5HF_DEBUGGING /* Need access to fractal heap debugging routines */
/***********/
/* Headers */
@@ -48,6 +49,25 @@
/* Local Typedefs */
/******************/
+/* User data for direct block debugging iterator callback */
+typedef struct {
+ FILE *stream; /* Stream for output */
+ int indent; /* Indention amount */
+ int fwidth; /* Field width mount */
+ haddr_t dblock_addr; /* Direct block's address */
+ haddr_t dblock_size; /* Direct block's size */
+ uint8_t *marker; /* 'Marker' array for free space */
+ size_t sect_count; /* Number of free space sections in block */
+ size_t amount_free; /* Amount of free space in block */
+} H5HF_debug_iter_ud1_t;
+
+/* User data for free space section iterator callback */
+typedef struct {
+ FILE *stream; /* Stream for output */
+ int indent; /* Indention amount */
+ int fwidth; /* Field width mount */
+} H5HF_debug_iter_ud2_t;
+
/********************/
/* Package Typedefs */
@@ -217,6 +237,9 @@ H5HF_hdr_debug(H5F_t *f, hid_t dxpl_id, haddr_t addr, FILE *stream, int indent,
HDfprintf(stream, "%*s%-*s %Hu\n", indent, "", fwidth,
"Number of objects in heap:",
hdr->nobjs);
+ HDfprintf(stream, "%*s%-*s %a\n", indent, "", fwidth,
+ "Address of free space manager for heap:",
+ hdr->fs_addr);
HDfprintf(stream, "%*sManaged Objects Doubling-Table Info...\n", indent, "");
H5HF_dtable_debug(&hdr->man_dtable, stream, indent + 3, MAX(0, fwidth -3));
@@ -230,6 +253,90 @@ done:
/*-------------------------------------------------------------------------
+ * Function: H5HF_dblock_debug_cb
+ *
+ * Purpose: Detect free space within a direct block
+ *
+ * Return: Non-negative on success/Negative on failure
+ *
+ * Programmer: Quincey Koziol
+ * koziol@ncsa.uiuc.edu
+ * May 13 2006
+ *
+ *-------------------------------------------------------------------------
+ */
+static herr_t
+H5HF_dblock_debug_cb(const H5FS_section_info_t *_sect, void *_udata)
+{
+ const H5HF_free_section_t *sect = (const H5HF_free_section_t *)_sect; /* Section to dump info */
+ H5HF_debug_iter_ud1_t *udata = (H5HF_debug_iter_ud1_t *)_udata; /* User data for callbacks */
+ haddr_t sect_start, sect_end; /* Section's beginning and ending offsets */
+ haddr_t dblock_start, dblock_end; /* Direct block's beginning and ending offsets */
+
+ FUNC_ENTER_NOAPI_NOINIT_NOFUNC(H5HF_dblock_debug_cb)
+
+ /*
+ * Check arguments.
+ */
+ HDassert(sect);
+ HDassert(udata);
+
+ /* Set up some local variables, for convenience */
+ sect_start = sect->sect_info.addr;
+ sect_end = (sect->sect_info.addr + sect->sect_info.size) - 1;
+ HDassert(sect_end >= sect_start);
+ dblock_start = udata->dblock_addr;
+ dblock_end = (udata->dblock_addr + udata->dblock_size) - 1;
+ HDassert(dblock_end >= dblock_start);
+
+ /* Check for overlap between free space section & direct block */
+ if((sect_start <= dblock_end && sect_end >=dblock_start) || /* section within or overlaps w/beginning of direct block*/
+ (sect_start <= dblock_end && sect_end >=dblock_end)) { /* section overlaps w/end of direct block */
+ char temp_str[32]; /* Temporary string for formatting */
+ size_t start, end; /* Start & end of the overlapping area */
+ size_t len; /* Length of the overlapping area */
+ size_t overlap; /* Track any overlaps */
+ unsigned u; /* Local index variable */
+
+ /* Calculate the starting & ending */
+ if(sect_start < dblock_start)
+ start = 0;
+ else
+ start = sect_start - dblock_start;
+ if(sect_end > dblock_end)
+ end = udata->dblock_size;
+ else
+ end = (sect_end - dblock_start) + 1;
+
+ /* Calculate the length */
+ len = end - start;
+
+ sprintf(temp_str, "Section #%u:", udata->sect_count);
+ HDfprintf(udata->stream, "%*s%-*s %8Zu, %8Zu\n", udata->indent + 3, "", MAX(0, udata->fwidth - 9),
+ temp_str,
+ start, len);
+ udata->sect_count++;
+
+ /* Mark this node's free space & check for overlaps w/other sections */
+ overlap = 0;
+ for(u = start; u < end; u++) {
+ if(udata->marker[u])
+ overlap++;
+ udata->marker[u] = 1;
+ } /* end for */
+
+ /* Flag overlaps */
+ if (overlap)
+ fprintf(udata->stream, "***THAT FREE BLOCK OVERLAPPED A PREVIOUS ONE!\n");
+ else
+ udata->amount_free += len;
+ } /* end if */
+
+ FUNC_LEAVE_NOAPI(SUCCEED)
+} /* end H5HF_dblock_debug_cb() */
+
+
+/*-------------------------------------------------------------------------
* Function: H5HF_dblock_debug
*
* Purpose: Prints debugging info about a fractal heap direct block.
@@ -248,13 +355,10 @@ H5HF_dblock_debug(H5F_t *f, hid_t dxpl_id, haddr_t addr, FILE *stream,
{
H5HF_hdr_t *hdr = NULL; /* Fractal heap header info */
H5HF_direct_t *dblock = NULL; /* Fractal heap direct block info */
- H5HF_direct_free_node_t *node; /* Pointer to free list node for block */
+ H5HF_debug_iter_ud1_t udata; /* User data for callbacks */
size_t blk_prefix_size; /* Size of prefix for block */
- unsigned node_count = 0; /* Number of free space nodes */
- size_t amount_free = 0; /* Amount of free space in block */
+ size_t amount_free; /* Amount of free space in block */
uint8_t *marker = NULL; /* Track free space for block */
- size_t overlap; /* Number of free space overlaps */
- size_t u; /* Local index variable */
herr_t ret_value = SUCCEED; /* Return value */
FUNC_ENTER_NOAPI(H5HF_dblock_debug, FAIL)
@@ -282,12 +386,6 @@ H5HF_dblock_debug(H5F_t *f, hid_t dxpl_id, haddr_t addr, FILE *stream,
if(NULL == (dblock = H5HF_man_dblock_protect(hdr, dxpl_id, addr, block_size, NULL, 0, H5AC_READ)))
HGOTO_ERROR(H5E_HEAP, H5E_CANTLOAD, FAIL, "unable to load fractal heap direct block")
- /* Check for valid free list */
- if(!dblock->free_list)
- if(H5HF_man_dblock_build_freelist(dblock, addr) < 0)
- HGOTO_ERROR(H5E_HEAP, H5E_CANTDECODE, FAIL, "can't decode free list for block")
- HDassert(dblock->free_list);
-
/* Print opening message */
HDfprintf(stream, "%*sFractal Heap Direct Block...\n", indent, "");
@@ -300,58 +398,49 @@ H5HF_dblock_debug(H5F_t *f, hid_t dxpl_id, haddr_t addr, FILE *stream,
HDfprintf(stream, "%*s%-*s %Hu\n", indent, "", fwidth,
"Offset of direct block in heap:",
dblock->block_off);
- blk_prefix_size = H5HF_MAN_ABS_DIRECT_OVERHEAD_DBLOCK(hdr, dblock);
+ blk_prefix_size = H5HF_MAN_ABS_DIRECT_OVERHEAD(hdr);
HDfprintf(stream, "%*s%-*s %Zu\n", indent, "", fwidth,
"Size of block header:",
blk_prefix_size);
HDfprintf(stream, "%*s%-*s %Zu\n", indent, "", fwidth,
"Size of block offsets:",
dblock->blk_off_size);
- HDfprintf(stream, "%*s%-*s %Zu\n", indent, "", fwidth,
- "Total free space in block:",
- dblock->blk_free_space);
- HDfprintf(stream, "%*s%-*s %Zu\n", indent, "", fwidth,
- "Offset of free list head:",
- dblock->free_list_head);
- /*
- * Traverse the free list and check that all free blocks fall within
- * the block and that no two free blocks point to the same region of
- * the block. */
+ /* Allocate space for the free space markers */
if(NULL == (marker = H5MM_calloc(dblock->size)))
HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, FAIL, "memory allocation failed")
- node = dblock->free_list->first;
- if(node)
- HDfprintf(stream, "%*sFree Blocks (offset, next offset, size):\n", indent, "");
- while(node) {
- char temp_str[32];
+ /* Initialize the free space information for the heap */
+ if(H5HF_space_start(hdr, dxpl_id) < 0)
+ HGOTO_ERROR(H5E_HEAP, H5E_CANTINIT, FAIL, "can't initialize heap free space")
- sprintf(temp_str, "Block #%u:", node_count);
- HDfprintf(stream, "%*s%-*s %8Zu, %8Zu, %8Zu\n", indent + 3, "", MAX(0, fwidth - 9),
- temp_str,
- node->my_offset, node->next_offset, node->size);
-
- if (node->my_offset + node->size > dblock->size)
- fprintf(stream, "***THAT FREE BLOCK IS OUT OF BOUNDS!\n");
- else {
- /* Mark this node's free space & check for overlaps w/other free space */
- for(u = overlap = 0; u < node->size; u++) {
- if(marker[node->my_offset + u])
- overlap++;
- marker[node->my_offset + u] = 1;
- } /* end for */
-
- if (overlap)
- fprintf(stream, "***THAT FREE BLOCK OVERLAPPED A PREVIOUS ONE!\n");
- else
- amount_free += node->size;
- } /* end else */
-
- /* Avance to next node */
- node = node->next;
- node_count++;
- } /* end while */
+ /* Prepare user data for section iteration callback */
+ udata.stream = stream;
+ udata.indent = indent;
+ udata.fwidth = fwidth;
+ udata.dblock_addr = dblock->block_off;
+ udata.dblock_size = block_size;
+ udata.marker = marker;
+ udata.sect_count = 0;
+ udata.amount_free = 0;
+
+ /* Print header */
+ HDfprintf(stream, "%*sFree Blocks (offset, size):\n", indent, "");
+
+ /* Iterate over the free space sections, to detect overlaps with this block */
+ if(H5FS_iterate(hdr->fspace, H5HF_dblock_debug_cb, &udata) < 0)
+ HGOTO_ERROR(H5E_HEAP, H5E_BADITER, FAIL, "can't iterate over heap's free space")
+
+ /* Close the free space information */
+ if(H5HF_space_close(hdr, dxpl_id) < 0)
+ HGOTO_ERROR(H5E_HEAP, H5E_CANTRELEASE, FAIL, "can't release free space info")
+
+ /* Keep the amount of space free */
+ amount_free = udata.amount_free;
+
+ /* Check for no free space */
+ if(amount_free == 0)
+ HDfprintf(stream, "%*s<none>\n", indent + 3, "");
HDfprintf(stream, "%*s%-*s %.2f%%\n", indent, "", fwidth,
"Percent of available space for data used:",
@@ -367,6 +456,7 @@ done:
HDONE_ERROR(H5E_HEAP, H5E_PROTECT, FAIL, "unable to release fractal heap direct block")
if(hdr && H5AC_unprotect(f, dxpl_id, H5AC_FHEAP_HDR, hdr_addr, hdr, H5AC__NO_FLAGS_SET) < 0)
HDONE_ERROR(H5E_HEAP, H5E_PROTECT, FAIL, "unable to release fractal heap header")
+ H5MM_xfree(marker);
FUNC_LEAVE_NOAPI(ret_value)
} /* end H5HF_dblock_debug() */
@@ -393,7 +483,6 @@ H5HF_iblock_debug(H5F_t *f, hid_t dxpl_id, haddr_t addr, FILE *stream,
H5HF_indirect_t *iblock = NULL; /* Fractal heap direct block info */
size_t dblock_size; /* Current direct block size */
char temp_str[64]; /* Temporary string, for formatting */
- hsize_t child_free_space; /* Block's children's free space */
size_t u, v; /* Local index variable */
herr_t ret_value = SUCCEED; /* Return value */
@@ -425,11 +514,6 @@ H5HF_iblock_debug(H5F_t *f, hid_t dxpl_id, haddr_t addr, FILE *stream,
/* Print opening message */
HDfprintf(stream, "%*sFractal Heap Indirect Block...\n", indent, "");
- /* Compute the child free space */
- child_free_space = 0;
- for(u = 0; u < (iblock->nrows * hdr->man_dtable.cparam.width); u++)
- child_free_space += iblock->ents[u].free_space;
-
/*
* Print the values.
*/
@@ -439,9 +523,6 @@ H5HF_iblock_debug(H5F_t *f, hid_t dxpl_id, haddr_t addr, FILE *stream,
HDfprintf(stream, "%*s%-*s %Hu\n", indent, "", fwidth,
"Offset of indirect block in heap:",
iblock->block_off);
- HDfprintf(stream, "%*s%-*s %Hu\n", indent, "", fwidth,
- "Total children free space:",
- child_free_space);
HDfprintf(stream, "%*s%-*s %Zu\n", indent, "", fwidth,
"Size of indirect block:",
iblock->size);
@@ -465,10 +546,9 @@ H5HF_iblock_debug(H5F_t *f, hid_t dxpl_id, haddr_t addr, FILE *stream,
size_t off = (u * hdr->man_dtable.cparam.width) + v;
sprintf(temp_str, "Col #%u:", (unsigned)v);
- HDfprintf(stream, "%*s%-*s %9a, %8Zu\n", indent + 6, "", MAX(0, fwidth - 6),
+ HDfprintf(stream, "%*s%-*s %9a\n", indent + 6, "", MAX(0, fwidth - 6),
temp_str,
- iblock->ents[off].addr,
- iblock->ents[off].free_space);
+ iblock->ents[off].addr);
} /* end for */
dblock_size *= 2;
} /* end for */
@@ -488,10 +568,9 @@ H5HF_iblock_debug(H5F_t *f, hid_t dxpl_id, haddr_t addr, FILE *stream,
size_t off = (u * hdr->man_dtable.cparam.width) + v;
sprintf(temp_str, "Col #%u:", (unsigned)v);
- HDfprintf(stream, "%*s%-*s %9a, %8Hu\n", indent + 6, "", MAX(0, fwidth - 6),
+ HDfprintf(stream, "%*s%-*s %9a\n", indent + 6, "", MAX(0, fwidth - 6),
temp_str,
- iblock->ents[off].addr,
- iblock->ents[off].free_space);
+ iblock->ents[off].addr);
} /* end for */
} /* end for */
} /* end if */
@@ -509,3 +588,120 @@ done:
FUNC_LEAVE_NOAPI(ret_value)
} /* end H5HF_iblock_debug() */
+
+/*-------------------------------------------------------------------------
+ * Function: H5HF_sects_debug_cb
+ *
+ * Purpose: Prints debugging info about a free space section for a fractal heap.
+ *
+ * Return: Non-negative on success/Negative on failure
+ *
+ * Programmer: Quincey Koziol
+ * koziol@ncsa.uiuc.edu
+ * May 13 2006
+ *
+ *-------------------------------------------------------------------------
+ */
+static herr_t
+H5HF_sects_debug_cb(const H5FS_section_info_t *_sect, void *_udata)
+{
+ const H5HF_free_section_t *sect = (const H5HF_free_section_t *)_sect; /* Section to dump info */
+ H5HF_debug_iter_ud2_t *udata = (H5HF_debug_iter_ud2_t *)_udata; /* User data for callbacks */
+ herr_t ret_value = SUCCEED; /* Return value */
+
+ FUNC_ENTER_NOAPI_NOINIT(H5HF_sects_debug_cb)
+
+ /*
+ * Check arguments.
+ */
+ HDassert(sect);
+ HDassert(udata);
+
+ /* Print generic section information */
+ HDfprintf(udata->stream, "%*s%-*s %a\n", udata->indent, "", udata->fwidth,
+ "Section address:",
+ sect->sect_info.addr);
+ HDfprintf(udata->stream, "%*s%-*s %Hu\n", udata->indent, "", udata->fwidth,
+ "Section size:",
+ sect->sect_info.size);
+ HDfprintf(udata->stream, "%*s%-*s %s\n", udata->indent, "", udata->fwidth,
+ "Section type:",
+ (sect->sect_info.cls->type == H5FS_SECT_FHEAP_SINGLE ? "single" :
+ (sect->sect_info.cls->type == H5FS_SECT_FHEAP_RANGE ? "range" :
+ (sect->sect_info.cls->type == H5FS_SECT_FHEAP_INDIRECT ? "indirect" : "unknown"))));
+ HDfprintf(udata->stream, "%*s%-*s %s\n", udata->indent, "", udata->fwidth,
+ "Section state:",
+ (sect->sect_info.state == H5FS_SECT_LIVE ? "live" : "serialized"));
+
+ /* Call the section's debugging routine */
+ if(sect->sect_info.cls->debug)
+ if((sect->sect_info.cls->debug)(_sect, udata->stream, udata->indent + 3, MAX(0, udata->fwidth - 3)) < 0)
+ HGOTO_ERROR(H5E_HEAP, H5E_BADITER, FAIL, "can't dump section's debugging info")
+
+done:
+ FUNC_LEAVE_NOAPI(ret_value)
+} /* end H5HF_sects_debug_cb() */
+
+
+/*-------------------------------------------------------------------------
+ * Function: H5HF_sects_debug
+ *
+ * Purpose: Prints debugging info about free space sections for a fractal heap.
+ *
+ * Return: Non-negative on success/Negative on failure
+ *
+ * Programmer: Quincey Koziol
+ * koziol@ncsa.uiuc.edu
+ * May 9 2006
+ *
+ *-------------------------------------------------------------------------
+ */
+herr_t
+H5HF_sects_debug(H5F_t *f, hid_t dxpl_id, haddr_t fh_addr,
+ FILE *stream, int indent, int fwidth)
+{
+ H5HF_hdr_t *hdr = NULL; /* Fractal heap header info */
+ H5HF_debug_iter_ud2_t udata; /* User data for callbacks */
+ herr_t ret_value = SUCCEED; /* Return value */
+
+ FUNC_ENTER_NOAPI(H5HF_sects_debug, FAIL)
+
+ /*
+ * Check arguments.
+ */
+ HDassert(f);
+ HDassert(H5F_addr_defined(fh_addr));
+ HDassert(stream);
+ HDassert(indent >= 0);
+ HDassert(fwidth >= 0);
+
+ /*
+ * Load the fractal heap header.
+ */
+ if(NULL == (hdr = H5AC_protect(f, dxpl_id, H5AC_FHEAP_HDR, fh_addr, NULL, NULL, H5AC_READ)))
+ HGOTO_ERROR(H5E_HEAP, H5E_CANTLOAD, FAIL, "unable to load fractal heap header")
+
+ /* Initialize the free space information for the heap */
+ if(H5HF_space_start(hdr, dxpl_id) < 0)
+ HGOTO_ERROR(H5E_HEAP, H5E_CANTINIT, FAIL, "can't initialize heap free space")
+
+ /* Prepare user data for section iteration callback */
+ udata.stream = stream;
+ udata.indent = indent;
+ udata.fwidth = fwidth;
+
+ /* Iterate over all the free space sections */
+ if(H5FS_iterate(hdr->fspace, H5HF_sects_debug_cb, &udata) < 0)
+ HGOTO_ERROR(H5E_HEAP, H5E_BADITER, FAIL, "can't iterate over heap's free space")
+
+ /* Close the free space information */
+ if(H5HF_space_close(hdr, dxpl_id) < 0)
+ HGOTO_ERROR(H5E_HEAP, H5E_CANTRELEASE, FAIL, "can't release free space info")
+
+done:
+ if(hdr && H5AC_unprotect(f, dxpl_id, H5AC_FHEAP_HDR, fh_addr, hdr, H5AC__NO_FLAGS_SET) < 0)
+ HDONE_ERROR(H5E_HEAP, H5E_PROTECT, FAIL, "unable to release fractal heap header")
+
+ FUNC_LEAVE_NOAPI(ret_value)
+} /* end H5HF_sects_debug() */
+
diff --git a/src/H5HFdblock.c b/src/H5HFdblock.c
index 8ac411b..8e37137 100644
--- a/src/H5HFdblock.c
+++ b/src/H5HFdblock.c
@@ -56,8 +56,6 @@
/********************/
/* Local Prototypes */
/********************/
-static herr_t H5HF_man_dblock_regen_freelist(H5HF_direct_t *dblock,
- haddr_t dblock_addr);
/*********************/
@@ -67,12 +65,6 @@ static herr_t H5HF_man_dblock_regen_freelist(H5HF_direct_t *dblock,
/* Declare a free list to manage the H5HF_direct_t struct */
H5FL_DEFINE(H5HF_direct_t);
-/* Declare a free list to manage the H5HF_direct_free_head_t struct */
-H5FL_DEFINE(H5HF_direct_free_head_t);
-
-/* Declare a free list to manage the H5HF_direct_free_node_t struct */
-H5FL_DEFINE(H5HF_direct_free_node_t);
-
/*****************************/
/* Library Private Variables */
@@ -103,7 +95,6 @@ H5HF_man_dblock_create(hid_t dxpl_id, H5HF_hdr_t *hdr, H5HF_indirect_t *par_iblo
unsigned par_entry, size_t block_size, hsize_t block_off, haddr_t *addr_p,
H5HF_free_section_t **ret_sec_node)
{
- H5HF_direct_free_node_t *node; /* Pointer to free list node for block */
H5HF_free_section_t *sec_node; /* Pointer to free list section for block */
H5HF_direct_t *dblock = NULL; /* Pointer to direct block */
size_t free_space; /* Free space in new block */
@@ -145,11 +136,7 @@ HDfprintf(stderr, "%s: size = %Zu, block_off = %Hu\n", FUNC, block_size, block_o
dblock->size = block_size;
dblock->block_off = block_off;
dblock->blk_off_size = H5HF_SIZEOF_OFFSET_LEN(block_size);
- dblock->fl_gen = hdr->fl_gen; /* New blocks have their free list generation set up correctly */
- dblock->free_list_head = H5HF_MAN_ABS_DIRECT_OVERHEAD_DBLOCK(hdr, dblock);
- dblock->blk_free_space = block_size -
- (H5HF_MAN_ABS_DIRECT_OVERHEAD_SIZE(hdr, block_size) + H5HF_MAN_ABS_DIRECT_OBJ_PREFIX_LEN(hdr));
- free_space = block_size - dblock->free_list_head;
+ free_space = block_size - H5HF_MAN_ABS_DIRECT_OVERHEAD(hdr);
/* Allocate buffer for block */
/* XXX: Change to using free-list factories */
@@ -159,38 +146,19 @@ HDfprintf(stderr, "%s: size = %Zu, block_off = %Hu\n", FUNC, block_size, block_o
HDmemset(dblock->blk, 0, dblock->size);
#endif /* H5_USING_PURIFY */
- /* Set up free list head */
- if(NULL == (dblock->free_list = H5FL_MALLOC(H5HF_direct_free_head_t)))
- HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, FAIL, "memory allocation failed for direct block free list head")
- dblock->free_list->dirty = TRUE;
-
- /* Set up free list node for all unused space in block */
- if(NULL == (node = H5FL_MALLOC(H5HF_direct_free_node_t)))
- HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, FAIL, "memory allocation failed for direct block free list node")
-
- /* Set node's information */
- node->size = free_space;
- node->my_offset = dblock->free_list_head;
- node->next_offset = 0;
- node->prev = node->next = NULL;
-
- /* Attach to free list head */
-/* XXX: Convert this list to a skip list? */
- dblock->free_list->first = node;
-
/* Allocate space for the header on disk */
if(HADDR_UNDEF == (*addr_p = H5MF_alloc(hdr->f, H5FD_MEM_FHEAP_DBLOCK, dxpl_id, (hsize_t)block_size)))
HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, FAIL, "file allocation failed for fractal heap direct block")
- /* Create free list section node */
+ /* Create free space section node */
if(NULL == (sec_node = H5FL_MALLOC(H5HF_free_section_t)))
HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, FAIL, "memory allocation failed for direct block free list section")
/* Set section's information */
- sec_node->sect_addr = block_off + node->my_offset;
- /* (section size is "object size", without the metadata overhead) */
- sec_node->sect_size = node->size - H5HF_MAN_ABS_DIRECT_OBJ_PREFIX_LEN(hdr);
- sec_node->type = H5HF_SECT_SINGLE;
+ sec_node->sect_info.addr = block_off + H5HF_MAN_ABS_DIRECT_OVERHEAD(hdr);
+ sec_node->sect_info.size = free_space;
+ sec_node->sect_info.cls = &hdr->sect_cls[H5FS_SECT_FHEAP_SINGLE];
+ sec_node->sect_info.state = H5FS_SECT_LIVE;
sec_node->u.single.parent = dblock->parent;
if(dblock->parent) {
if(H5HF_iblock_incr(dblock->parent) < 0)
@@ -206,7 +174,7 @@ HDmemset(dblock->blk, 0, dblock->size);
*ret_sec_node = sec_node;
else {
/* Add new free space to the global list of space */
- if(H5HF_flist_add(hdr->flist, sec_node, &sec_node->sect_size, &sec_node->sect_addr) < 0)
+ if(H5HF_space_add(hdr, dxpl_id, sec_node) < 0)
HGOTO_ERROR(H5E_HEAP, H5E_CANTINIT, FAIL, "can't add direct block free space to global list")
} /* end else */
@@ -224,379 +192,6 @@ done:
/*-------------------------------------------------------------------------
- * Function: H5HF_man_dblock_build_freelist
- *
- * Purpose: Parse the free list information for a direct block and build
- * block's free list
- *
- * Return: SUCCEED/FAIL
- *
- * Programmer: Quincey Koziol
- * koziol@ncsa.uiuc.edu
- * Feb 28 2006
- *
- *-------------------------------------------------------------------------
- */
-herr_t
-H5HF_man_dblock_build_freelist(H5HF_direct_t *dblock, haddr_t dblock_addr)
-{
- H5HF_direct_free_head_t *head = NULL; /* Pointer to free list head for block */
- herr_t ret_value = SUCCEED; /* Return value */
-
- FUNC_ENTER_NOAPI_NOINIT(H5HF_man_dblock_build_freelist)
-
- /*
- * Check arguments.
- */
- HDassert(dblock);
-
- /* Allocate head of list */
- if(NULL == (head = H5FL_MALLOC(H5HF_direct_free_head_t)))
- HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, FAIL, "memory allocation failed for direct block free list head")
- head->dirty = FALSE;
-
- /* Check for any nodes on free list */
- if(dblock->free_list_head == 0)
- head->first = NULL;
- else {
- H5HF_hdr_t *hdr; /* Pointer to shared heap header */
- H5HF_free_section_t *sec_node; /* Pointer to free list section for block */
- H5HF_direct_free_node_t *node = NULL; /* Pointer to free list node for block */
- H5HF_direct_free_node_t *prev_node; /* Pointer to previous free list node for block */
- hsize_t free_len; /* Length of free list info */
- hsize_t next_off; /* Next node offset in block */
- hsize_t prev_off; /* Prev node offset in block */
- uint8_t *p; /* Temporary pointer to free node info */
-
- /* Get the pointer to the shared heap info */
- hdr = dblock->hdr;
-
- /* Point to first node in free list */
- p = dblock->blk + dblock->free_list_head;
-
- /* Decode information for first node on free list */
- UINT64DECODE_VAR(p, free_len, dblock->blk_off_size);
- UINT64DECODE_VAR(p, next_off, dblock->blk_off_size);
-
- /* Allocate node on list */
- if(NULL == (node = H5FL_MALLOC(H5HF_direct_free_node_t)))
- HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, FAIL, "memory allocation failed for direct block free list node")
-
- /* Set node's information */
- node->size = free_len;
- node->my_offset = dblock->free_list_head;
- node->next_offset = next_off;
- node->prev = node->next = NULL;
-
- /* Attach to free list head */
- head->first = node;
-
- /* Set block's free space */
- dblock->blk_free_space = free_len;
-
- /* Create free list section node */
- if(NULL == (sec_node = H5FL_MALLOC(H5HF_free_section_t)))
- HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, FAIL, "memory allocation failed for direct block free list section")
-
- /* Set section's information */
- sec_node->sect_addr = dblock->block_off + node->my_offset;
- /* (section size is "object size", without the metadata overhead) */
- sec_node->sect_size = node->size - H5HF_MAN_ABS_DIRECT_OBJ_PREFIX_LEN(hdr);
- sec_node->type = H5HF_SECT_SINGLE;
- sec_node->u.single.parent = dblock->parent;
- if(dblock->parent) {
- if(H5HF_iblock_incr(dblock->parent) < 0)
- HGOTO_ERROR(H5E_HEAP, H5E_CANTINC, FAIL, "can't increment reference count on shared indirect block")
- } /* end if */
- sec_node->u.single.par_entry = dblock->par_entry;
- sec_node->u.single.dblock_addr = dblock_addr;
- sec_node->u.single.dblock_size = dblock->size;
-
- /* Add new free space to the global list of space */
- if(H5HF_flist_add(hdr->flist, sec_node, &sec_node->sect_size, &sec_node->sect_addr) < 0)
- HGOTO_ERROR(H5E_HEAP, H5E_CANTINIT, FAIL, "can't add direct block free space to global list")
-
- /* Set up trailing node pointer */
- prev_node = node;
- prev_off = next_off;
-
- /* Bring in rest of node on free list */
- while(next_off != 0) {
- /* Point to first node in free list */
- p = dblock->blk + next_off;
-
- /* Decode information for first node on free list */
- UINT64DECODE_VAR(p, free_len, dblock->blk_off_size);
- UINT64DECODE_VAR(p, next_off, dblock->blk_off_size);
-
- /* Allocate node on list */
- if(NULL == (node = H5FL_MALLOC(H5HF_direct_free_node_t)))
- HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, FAIL, "memory allocation failed for direct block free list node")
-
- /* Set node's information */
- node->size = free_len;
- node->my_offset = prev_off;
- node->next_offset = next_off;
- node->prev = prev_node;
- node->next = NULL;
-
- /* Adjust block's free space */
- dblock->blk_free_space += free_len;
-
- /* Create free list section node */
- if(NULL == (sec_node = H5FL_MALLOC(H5HF_free_section_t)))
- HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, FAIL, "memory allocation failed for direct block free list section")
-
- /* Set section's information */
- sec_node->sect_addr = dblock->block_off + node->my_offset;
- /* (section size is "object size", without the metadata overhead) */
- sec_node->sect_size = node->size - H5HF_MAN_ABS_DIRECT_OBJ_PREFIX_LEN(hdr);
- sec_node->type = H5HF_SECT_SINGLE;
- sec_node->u.single.parent = dblock->parent;
- if(dblock->parent) {
- if(H5HF_iblock_incr(dblock->parent) < 0)
- HGOTO_ERROR(H5E_HEAP, H5E_CANTINC, FAIL, "can't increment reference count on shared indirect block")
- } /* end if */
- sec_node->u.single.par_entry = dblock->par_entry;
- sec_node->u.single.dblock_addr = dblock_addr;
- sec_node->u.single.dblock_size = dblock->size;
-
- /* Add new free space to the global list of space */
- if(H5HF_flist_add(hdr->flist, sec_node, &sec_node->sect_size, &sec_node->sect_addr) < 0)
- HGOTO_ERROR(H5E_HEAP, H5E_CANTINIT, FAIL, "can't add direct block free space to global list")
-
- /* Update trailing info */
- prev_node->next = node;
- prev_off = next_off;
-
- /* Advance to next node */
- prev_node = node;
- } /* end while */
- } /* end else */
-
- /* Assign free list head to block */
- dblock->free_list = head;
-
-done:
-/* XXX: cleanup on failure? */
- FUNC_LEAVE_NOAPI(ret_value)
-} /* end H5HF_man_dblock_build_freelist() */
-
-
-/*-------------------------------------------------------------------------
- * Function: H5HF_man_dblock_regen_freelist
- *
- * Purpose: Regenerate the free section information for the free space
- * in a direct block's free list.
- *
- * Return: SUCCEED/FAIL
- *
- * Programmer: Quincey Koziol
- * koziol@ncsa.uiuc.edu
- * Apr 25 2006
- *
- *-------------------------------------------------------------------------
- */
-static herr_t
-H5HF_man_dblock_regen_freelist(H5HF_direct_t *dblock, haddr_t dblock_addr)
-{
- H5HF_hdr_t *hdr; /* Pointer to shared heap header */
- H5HF_free_section_t *sec_node; /* Pointer to free list section for block */
- H5HF_direct_free_node_t *node; /* First node in free list */
- herr_t ret_value = SUCCEED; /* Return value */
-
- FUNC_ENTER_NOAPI_NOINIT(H5HF_man_dblock_regen_freelist)
-
- /*
- * Check arguments.
- */
- HDassert(dblock);
- HDassert(dblock->free_list);
-
- /* Get the pointer to the shared heap info */
- hdr = dblock->hdr;
-
- /* Iterate through nodes on block's free list */
- node = dblock->free_list->first;
- while(node) {
- /* Create free list section node */
- if(NULL == (sec_node = H5FL_MALLOC(H5HF_free_section_t)))
- HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, FAIL, "memory allocation failed for direct block free list section")
-
- /* Set section's information */
- sec_node->sect_addr = dblock->block_off + node->my_offset;
- /* (section size is "object size", without the metadata overhead) */
- sec_node->sect_size = node->size - H5HF_MAN_ABS_DIRECT_OBJ_PREFIX_LEN(hdr);
- sec_node->type = H5HF_SECT_SINGLE;
- sec_node->u.single.parent = dblock->parent;
- if(dblock->parent) {
- if(H5HF_iblock_incr(dblock->parent) < 0)
- HGOTO_ERROR(H5E_HEAP, H5E_CANTINC, FAIL, "can't increment reference count on shared indirect block")
- } /* end if */
- sec_node->u.single.par_entry = dblock->par_entry;
- sec_node->u.single.dblock_addr = dblock_addr;
- sec_node->u.single.dblock_size = dblock->size;
-
- /* Add new free space to the global list of space */
- if(H5HF_flist_add(hdr->flist, sec_node, &sec_node->sect_size, &sec_node->sect_addr) < 0)
- HGOTO_ERROR(H5E_HEAP, H5E_CANTINIT, FAIL, "can't add direct block free space to global list")
-
- /* Advance to next node */
- node = node->next;
- } /* end while */
-
-done:
-/* XXX: cleanup on failure? */
- FUNC_LEAVE_NOAPI(ret_value)
-} /* end H5HF_man_dblock_regen_freelist() */
-
-
-/*-------------------------------------------------------------------------
- * Function: H5HF_man_dblock_destroy_freelist
- *
- * Purpose: Destroy the free list information for a direct block
- *
- * Return: SUCCEED/FAIL
- *
- * Programmer: Quincey Koziol
- * koziol@ncsa.uiuc.edu
- * Apr 22 2006
- *
- *-------------------------------------------------------------------------
- */
-herr_t
-H5HF_man_dblock_destroy_freelist(H5HF_direct_t *dblock)
-{
- H5HF_direct_free_node_t *node; /* Pointer to free list node for block */
-
- FUNC_ENTER_NOAPI_NOINIT_NOFUNC(H5HF_man_dblock_destroy_freelist)
-
- /*
- * Check arguments.
- */
- HDassert(dblock);
- HDassert(dblock->free_list);
-
- /* Walk through list, freeing the nodes */
- node = dblock->free_list->first;
- while(node) {
- H5HF_direct_free_node_t *last_node; /* Pointer to last free list node for block */
-
- /* Advance to next node */
- last_node = node;
- node = node->next;
-
- /* Release the last node */
- H5FL_FREE(H5HF_direct_free_node_t, last_node);
- } /* end while */
-
- /* Release the free list head */
- H5FL_FREE(H5HF_direct_free_head_t, dblock->free_list);
-
- /* Reset the free list head */
- dblock->free_list = NULL;
-
- FUNC_LEAVE_NOAPI(SUCCEED)
-} /* end H5HF_man_dblock_destroy_freelist() */
-
-
-/*-------------------------------------------------------------------------
- * Function: H5HF_man_dblock_adj_free
- *
- * Purpose: Adjust the free space for a direct block, and it's parents
- *
- * Return: SUCCEED/FAIL
- *
- * Programmer: Quincey Koziol
- * koziol@ncsa.uiuc.edu
- * Mar 14 2006
- *
- *-------------------------------------------------------------------------
- */
-herr_t
-H5HF_man_dblock_adj_free(H5HF_direct_t *dblock, ssize_t amt)
-{
- H5HF_hdr_t *hdr; /* Shared heap information */
- herr_t ret_value = SUCCEED; /* Return value */
-
- FUNC_ENTER_NOAPI_NOINIT(H5HF_man_dblock_adj_free)
-#ifdef QAK
-HDfprintf(stderr, "%s: amt = %Zd\n", FUNC, amt);
-#endif /* QAK */
-
- /*
- * Check arguments.
- */
- HDassert(dblock);
-
- /* Get the pointer to the shared heap header */
- hdr = dblock->hdr;
-
- /* Adjust space available in block */
- HDassert(amt > 0 || dblock->blk_free_space >= (size_t)-amt);
- dblock->blk_free_space += amt;
-
- /* Check if the parent info is set */
- if(dblock->parent) {
- H5HF_indirect_t *iblock; /* Block's parent */
-
- /* Get the pointer to the shared parent indirect block */
- iblock = dblock->parent;
-
- /* Adjust this indirect block's child free space */
-#ifdef QAK
-HDfprintf(stderr, "%s: dblock->par_entry = %u\n", FUNC, dblock->par_entry);
-HDfprintf(stderr, "%s: iblock->block_off = %a\n", FUNC, iblock->block_off);
-HDfprintf(stderr, "%s: iblock->child_free_space = %Hu\n", FUNC, iblock->child_free_space);
-HDfprintf(stderr, "%s: iblock->ents[dblock->par_entry].free_space = %Hu\n", FUNC, iblock->ents[dblock->par_entry].free_space);
-#endif /* QAK */
- HDassert(amt > 0 || iblock->ents[dblock->par_entry].free_space >= (hsize_t)-amt);
- iblock->ents[dblock->par_entry].free_space += amt;
- HDassert(amt > 0 || iblock->child_free_space >= (hsize_t)-amt);
- iblock->child_free_space += amt;
-
- /* Mark indirect block as dirty */
- if(H5HF_iblock_dirty(iblock) < 0)
- HGOTO_ERROR(H5E_HEAP, H5E_CANTDIRTY, FAIL, "can't mark indirect block as dirty")
-
- /* Modify the free space in parent block(s) */
- while(iblock->parent) {
- size_t par_entry; /* Entry in parent */
-
- /* Get the pointer to the shared parent indirect block */
- par_entry = iblock->par_entry;
- iblock = iblock->parent;
- HDassert(iblock);
-
- /* Adjust this indirect block's child free space */
- HDassert(amt > 0 || iblock->ents[par_entry].free_space >= (hsize_t)-amt);
- iblock->ents[par_entry].free_space += amt;
- HDassert(amt > 0 || iblock->child_free_space >= (hsize_t)-amt);
- iblock->child_free_space += amt;
-
- /* Mark indirect block as dirty */
- if(H5HF_iblock_dirty(iblock) < 0)
- HGOTO_ERROR(H5E_HEAP, H5E_CANTDIRTY, FAIL, "can't mark indirect block as dirty")
- } /* end while */
- } /* end if */
-
- /* Update shared heap free space header */
- HDassert(amt > 0 || hdr->total_man_free >= (hsize_t)-amt);
- hdr->total_man_free += amt;
-#ifdef QAK
-HDfprintf(stderr, "%s: hdr->total_man_free = %Hu\n", FUNC, hdr->total_man_free);
-#endif /* QAK */
-
- /* Mark heap header as modified */
- if(H5HF_hdr_dirty(hdr) < 0)
- HGOTO_ERROR(H5E_HEAP, H5E_CANTDIRTY, FAIL, "can't mark heap header as dirty")
-
-done:
- FUNC_LEAVE_NOAPI(ret_value)
-} /* end H5HF_man_dblock_adj_free() */
-
-
-/*-------------------------------------------------------------------------
* Function: H5HF_man_dblock_new
*
* Purpose: Create a direct block large enough to hold an object of
@@ -641,11 +236,9 @@ HDfprintf(stderr, "%s: request = %Zu\n", FUNC, request);
/* Adjust the size of block needed to fulfill request, with overhead */
#ifdef QAK
HDfprintf(stderr, "%s: Check 1 - min_dblock_size = %Zu\n", FUNC, min_dblock_size);
-HDfprintf(stderr, "%s: H5HF_MAN_ABS_DIRECT_OVERHEAD_SIZE = %u\n", FUNC, H5HF_MAN_ABS_DIRECT_OVERHEAD_SIZE(hdr, hdr->man_dtable.cparam.start_block_size));
-HDfprintf(stderr, "%s: H5HF_MAN_ABS_DIRECT_OBJ_PREFIX_LEN = %u\n", FUNC, H5HF_MAN_ABS_DIRECT_OBJ_PREFIX_LEN(hdr));
+HDfprintf(stderr, "%s: H5HF_MAN_ABS_DIRECT_OVERHEAD= %u\n", FUNC, H5HF_MAN_ABS_DIRECT_OVERHEAD(hdr));
#endif /* QAK */
- if((min_dblock_size - request) < (H5HF_MAN_ABS_DIRECT_OVERHEAD_SIZE(hdr, min_dblock_size)
- + H5HF_MAN_ABS_DIRECT_OBJ_PREFIX_LEN(hdr)))
+ if((min_dblock_size - request) < H5HF_MAN_ABS_DIRECT_OVERHEAD(hdr))
min_dblock_size *= 2;
#ifdef QAK
HDfprintf(stderr, "%s: Check 2 - min_dblock_size = %Zu\n", FUNC, min_dblock_size);
@@ -761,28 +354,6 @@ HDfprintf(stderr, "%s: dblock_addr = %a, dblock_size = %Zu\n", FUNC, dblock_addr
if(NULL == (dblock = H5AC_protect(hdr->f, dxpl_id, H5AC_FHEAP_DBLOCK, dblock_addr, &dblock_size, &par_info, rw)))
HGOTO_ERROR(H5E_HEAP, H5E_CANTPROTECT, NULL, "unable to protect fractal heap direct block")
- /* Regenerate the free list information for this block, if necessary */
- /* (Only create free list information if write access is requested) */
- if(rw == H5AC_WRITE && hdr->fl_gen != dblock->fl_gen) {
-#ifdef QAK
-HDfprintf(stderr, "%s: building free list for direct block\n", FUNC);
-#endif /* QAK */
- /* If the block has a free list from a previous generation, get rid of it */
- if(dblock->free_list) {
- if(H5HF_man_dblock_regen_freelist(dblock, dblock_addr) < 0)
- HGOTO_ERROR(H5E_HEAP, H5E_CANTRELEASE, NULL, "can't regenerate free list for direct block")
- } /* end if */
- else {
- /* Build the free list for the block */
- if(H5HF_man_dblock_build_freelist(dblock, dblock_addr) < 0)
- HGOTO_ERROR(H5E_HEAP, H5E_CANTDECODE, NULL, "can't decode free list for block")
- } /* end else */
- HDassert(dblock->free_list);
-
- /* Mark the block's free list generation as up to date now */
- dblock->fl_gen = hdr->fl_gen;
- } /* end if */
-
/* Set the return value */
ret_value = dblock;
diff --git a/src/H5HFflist.c b/src/H5HFflist.c
deleted file mode 100644
index 962f3ad..0000000
--- a/src/H5HFflist.c
+++ /dev/null
@@ -1,614 +0,0 @@
-/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
- * Copyright by the Board of Trustees of the University of Illinois. *
- * All rights reserved. *
- * *
- * This file is part of HDF5. The full HDF5 copyright notice, including *
- * terms governing use, modification, and redistribution, is contained in *
- * the files COPYING and Copyright.html. COPYING can be found at the root *
- * of the source code distribution tree; Copyright.html can be found at the *
- * root level of an installed copy of the electronic HDF5 document set and *
- * is linked from the top-level documents page. It can also be found at *
- * http://hdf.ncsa.uiuc.edu/HDF5/doc/Copyright.html. If you do not have *
- * access to either file, you may request a copy from hdfhelp@ncsa.uiuc.edu. *
- * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
-
-/* Programmer: Quincey Koziol <koziol@ncsa.uiuc.edu>
- * Tuesday, March 7, 2006
- *
- * Purpose: Fractal heap free space functions.
- *
- */
-
-/****************/
-/* Module Setup */
-/****************/
-
-#define H5HF_PACKAGE /*suppress error about including H5HFpkg */
-
-/***********/
-/* Headers */
-/***********/
-#include "H5private.h" /* Generic Functions */
-#include "H5Eprivate.h" /* Error handling */
-#include "H5HFpkg.h" /* Fractal heaps */
-#include "H5Vprivate.h" /* Vectors and arrays */
-
-/****************/
-/* Local Macros */
-/****************/
-
-/* Max. height of the skip list holding free list nodes */
-#define H5HF_FLIST_DEFAULT_SKIPLIST_HEIGHT 16
-
-/******************/
-/* Local Typedefs */
-/******************/
-
-/* Structure for storing single free list section */
-typedef struct H5HF_flist_single_t {
- void *node; /* Pointer to section's node */
- size_t *size_key; /* Pointer to size key for section */
- haddr_t *addr_key; /* Pointer to address key for section */
-} H5HF_flist_single_t;
-
-/* Free list node for free list sections of the same size */
-typedef struct H5HF_flist_node_t {
- size_t sec_size; /* Size of all sections on list */
- H5SL_t *sec_list; /* Skip list to hold pointers to actual free list section node */
-} H5HF_flist_node_t;
-
-
-/********************/
-/* Package Typedefs */
-/********************/
-
-/* Main free list info */
-struct H5HF_freelist_t {
- hsize_t tot_space; /* Total amount of space in free list */
- size_t sec_count; /* # of sections on free list */
- H5HF_flist_single_t single; /* Section information when free list has only one free section */
- unsigned nbins; /* Number of bins */
- H5SL_operator_t node_free_op; /* Callback for freeing nodes when free list is destroyed */
- H5SL_t **bins; /* Pointer to array of lists of free nodes */
- hbool_t using_bins; /* Flag to indicate that all nodes are in the bins */
-};
-
-
-/********************/
-/* Local Prototypes */
-/********************/
-static herr_t H5HF_flist_node_free_cb(void *item, void *key, void *op_data);
-static herr_t H5HF_flist_init(H5HF_freelist_t *flist);
-
-
-/*********************/
-/* Package Variables */
-/*********************/
-
-/* Declare a free list to manage the H5HF_freelist_t struct */
-H5FL_DEFINE_STATIC(H5HF_freelist_t);
-
-/* Declare a free list to manage the H5HF_flist_node_t struct */
-H5FL_DEFINE_STATIC(H5HF_flist_node_t);
-
-/* Declare a free list to manage the 'H5SL_t *' sequence information */
-typedef H5SL_t *H5SL_ptr_t;
-H5FL_SEQ_DEFINE_STATIC(H5SL_ptr_t);
-
-
-/*****************************/
-/* Library Private Variables */
-/*****************************/
-
-
-/*******************/
-/* Local Variables */
-/*******************/
-
-
-
-/*-------------------------------------------------------------------------
- * Function: H5HF_flist_init
- *
- * Purpose: Initialize free list for heap
- *
- * Return: Success: non-negative
- *
- * Failure: negative
- *
- * Programmer: Quincey Koziol
- * Tuesday, April 18, 2006
- *
- *-------------------------------------------------------------------------
- */
-static herr_t
-H5HF_flist_init(H5HF_freelist_t *flist)
-{
- FUNC_ENTER_NOAPI_NOINIT_NOFUNC(H5HF_flist_init)
-
- /* Check arguments. */
- HDassert(flist);
-
- /* Set free list parameters */
- flist->tot_space = 0;
- flist->sec_count = 0;
- flist->single.node = NULL;
- flist->single.size_key = NULL;
- flist->single.addr_key = NULL;
- flist->bins = NULL;
- flist->using_bins = FALSE;
-
- FUNC_LEAVE_NOAPI(SUCCEED)
-} /* H5HF_flist_init() */
-
-
-/*-------------------------------------------------------------------------
- * Function: H5HF_flist_create
- *
- * Purpose: Allocate & initialize free list for heap
- *
- * Return: Success: Pointer to free list structure
- *
- * Failure: NULL
- *
- * Programmer: Quincey Koziol
- * Tuesday, March 7, 2006
- *
- *-------------------------------------------------------------------------
- */
-H5HF_freelist_t *
-H5HF_flist_create(unsigned max_index_bits, H5SL_operator_t node_free_op)
-{
- H5HF_freelist_t *flist; /* New free list structure */
- H5HF_freelist_t *ret_value; /* Return value */
-
- FUNC_ENTER_NOAPI_NOINIT(H5HF_flist_create)
-
- /* Check arguments. */
-
- /*
- * Allocate top free list structure
- */
- if(NULL == (flist = H5FL_MALLOC(H5HF_freelist_t)))
- HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, NULL, "memory allocation failed for fractal heap free list")
-
- /* Set immutable free list parameters */
- flist->nbins = max_index_bits;
- flist->node_free_op = node_free_op;
-
- /* Set modifiable free list parameters */
- H5HF_flist_init(flist);
-
- /* Set return value */
- ret_value = flist;
-
-done:
- FUNC_LEAVE_NOAPI(ret_value)
-} /* H5HF_flist_create() */
-
-
-/*-------------------------------------------------------------------------
- * Function: H5HF_flist_add_bin_node
- *
- * Purpose: Add a section of free space in a direct block to the free list
- * bins
- *
- * Return: Success: non-negative
- *
- * Failure: negative
- *
- * Programmer: Quincey Koziol
- * Monday, March 20, 2006
- *
- *-------------------------------------------------------------------------
- */
-static herr_t
-H5HF_flist_add_bin_node(H5HF_freelist_t *flist, void *node, size_t *size_key, haddr_t *addr_key)
-{
- H5HF_flist_node_t *flist_node = NULL; /* Pointer to free list node of the correct size */
- unsigned bin; /* Bin to put the free space section in */
- herr_t ret_value = SUCCEED; /* Return value */
-
- FUNC_ENTER_NOAPI_NOINIT(H5HF_flist_add_bin_node)
-#ifdef QAK
-HDfprintf(stderr, "%s: *size_key = %Zu, *addr_key = %a\n", FUNC, *size_key, *addr_key);
-#endif /* QAK */
-
- /* Check arguments. */
- HDassert(flist);
- HDassert(node);
- HDassert(size_key);
- HDassert(addr_key);
-
- /* Determine correct bin which holds items of the section's size */
- bin = H5V_log2_gen((hsize_t)*size_key);
- HDassert(bin < flist->nbins);
- if(flist->bins[bin] == NULL) {
- if(NULL == (flist->bins[bin] = H5SL_create(H5SL_TYPE_SIZE, 0.5, H5HF_FLIST_DEFAULT_SKIPLIST_HEIGHT)))
- HGOTO_ERROR(H5E_HEAP, H5E_CANTCREATE, FAIL, "can't create skip list for free list nodes")
- } /* end if */
- else {
- /* Check for node list of the correct size already */
- flist_node = H5SL_search(flist->bins[bin], size_key);
- } /* end else */
-
- /* Check if we need to create a new skip list for nodes of this size */
- if(flist_node == NULL) {
- /* Allocate new free list size node */
- if(NULL == (flist_node = H5FL_MALLOC(H5HF_flist_node_t)))
- HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, FAIL, "memory allocation failed for fractal heap free list")
-
- /* Initialize the free list size node */
- flist_node->sec_size = *size_key;
- if(NULL == (flist_node->sec_list = H5SL_create(H5SL_TYPE_HADDR, 0.5, H5HF_FLIST_DEFAULT_SKIPLIST_HEIGHT)))
- HGOTO_ERROR(H5E_HEAP, H5E_CANTCREATE, FAIL, "can't create skip list for free list nodes")
-
- /* Insert new free list size node into bin's list */
- if(H5SL_insert(flist->bins[bin], flist_node, &flist_node->sec_size) < 0)
- HGOTO_ERROR(H5E_HEAP, H5E_CANTINSERT, FAIL, "can't insert free list node into skip list")
- } /* end if */
-
- /* Insert free list node into correct skip list */
- if(H5SL_insert(flist_node->sec_list, node, addr_key) < 0)
- HGOTO_ERROR(H5E_HEAP, H5E_CANTINSERT, FAIL, "can't insert free list node into skip list")
-
-done:
- FUNC_LEAVE_NOAPI(ret_value)
-} /* H5HF_flist_add_bin_node() */
-
-
-/*-------------------------------------------------------------------------
- * Function: H5HF_flist_add
- *
- * Purpose: Add a section of free space in a direct block to the free list
- *
- * Return: Success: non-negative
- *
- * Failure: negative
- *
- * Programmer: Quincey Koziol
- * Tuesday, March 7, 2006
- *
- *-------------------------------------------------------------------------
- */
-herr_t
-H5HF_flist_add(H5HF_freelist_t *flist, void *node, size_t *size_key, haddr_t *addr_key)
-{
- herr_t ret_value = SUCCEED; /* Return value */
-
- FUNC_ENTER_NOAPI_NOINIT(H5HF_flist_add)
-
-#ifdef QAK
-HDfprintf(stderr, "%s: *size_key = %Zu, *addr_key = %a\n", FUNC, *size_key, *addr_key);
-#endif /* QAK */
-
- /* Check arguments. */
- HDassert(flist);
- HDassert(node);
- HDassert(size_key);
- HDassert(addr_key);
-
- /* Check for special cases of # of sections on free list */
-#ifdef QAK
-HDfprintf(stderr, "%s: flist->sec_count = %Zu\n", FUNC, flist->sec_count);
-#endif /* QAK */
- if(flist->sec_count == 0) {
- HDassert(flist->single.node == NULL);
-
- /* Capture single section's information */
- flist->single.node = node;
- flist->single.size_key = size_key;
- flist->single.addr_key = addr_key;
- } /* end if */
- else {
- /* Have a single section, put it into the bins */
-/* XXX: Take out the "&& !flist->using_bins" when bins converted back into single section */
- if(flist->sec_count == 1 && !flist->using_bins) {
- HDassert(flist->single.node);
-
- /* Check if we should allocate the bins */
- if(flist->bins == NULL)
- /* Allocate the bins for free space sizes */
- if(NULL == (flist->bins = H5FL_SEQ_CALLOC(H5SL_ptr_t, flist->nbins)))
- HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, FAIL, "memory allocation failed for free list bins")
-
- /* Insert the current single section into the bins */
- if(H5HF_flist_add_bin_node(flist, flist->single.node, flist->single.size_key, flist->single.addr_key) < 0)
- HGOTO_ERROR(H5E_HEAP, H5E_CANTINSERT, FAIL, "can't insert free list node into skip list")
- flist->single.node = NULL;
-
- /* Using bins for storing nodes now */
- flist->using_bins = TRUE;
- } /* end if */
- HDassert(flist->single.node == NULL);
-
- /* Put new section into bins */
- if(H5HF_flist_add_bin_node(flist, node, size_key, addr_key) < 0)
- HGOTO_ERROR(H5E_HEAP, H5E_CANTINSERT, FAIL, "can't insert free list node into skip list")
- } /* end else */
-
- /* Increment # of sections on free list */
- flist->sec_count++;
-
-done:
- FUNC_LEAVE_NOAPI(ret_value)
-} /* H5HF_flist_add() */
-
-
-/*-------------------------------------------------------------------------
- * Function: H5HF_flist_find_bin_node
- *
- * Purpose: Locate a section of free space (in existing free list bins) that
- * is large enough to fulfill request.
- *
- * Return: Success: non-negative
- *
- * Failure: negative
- *
- * Programmer: Quincey Koziol
- * Monday, March 20, 2006
- *
- *-------------------------------------------------------------------------
- */
-static htri_t
-H5HF_flist_find_bin_node(H5HF_freelist_t *flist, size_t request, void **node)
-{
- H5HF_flist_node_t *flist_node; /* Free list size node */
- unsigned bin; /* Bin to put the free space section in */
- htri_t ret_value = FALSE; /* Return value */
-
- FUNC_ENTER_NOAPI_NOINIT(H5HF_flist_find_bin_node)
-
- /* Check arguments. */
- HDassert(flist);
- HDassert(request > 0);
- HDassert(node);
-
- /* Determine correct bin which holds items of at least the section's size */
- bin = H5V_log2_gen((hsize_t)request);
- HDassert(bin < flist->nbins);
- while(bin < flist->nbins && flist->bins[bin] == NULL)
- bin++;
-
- /* Find the first free space section that is large enough to fulfill request */
- /* (Since the bins use skip lists to track the sizes of the address-ordered
- * lists, this is actually a "best fit" algorithm)
- */
-#ifdef QAK
-HDfprintf(stderr, "%s: flist->nbins = %u\n", FUNC, flist->nbins);
-HDfprintf(stderr, "%s: bin = %u\n", FUNC, bin);
-#endif /* QAK */
- if(bin < flist->nbins)
- do {
- /* Look for large enough free list section in this bin */
- if(flist->bins[bin])
- /* Check for large enough list of sections on list */
- if((flist_node = H5SL_greater(flist->bins[bin], &request))) {
- /* Take first node off of the list (ie. node w/lowest address) */
- if(NULL == (*node = H5SL_remove_first(flist_node->sec_list)))
- HGOTO_ERROR(H5E_HEAP, H5E_CANTDELETE, FAIL, "can't remove free list node from skip list")
-
- /* Check for no more nodes on list of that size */
- if(H5SL_count(flist_node->sec_list) == 0) {
- H5HF_flist_node_t *tmp_flist_node; /* Free list size node */
-
- /* Remove size tracking list from bin */
- tmp_flist_node = H5SL_remove(flist->bins[bin], &flist_node->sec_size);
- if(tmp_flist_node == NULL || tmp_flist_node != flist_node)
- HGOTO_ERROR(H5E_HEAP, H5E_CANTDELETE, FAIL, "can't remove free list node from skip list")
-
- /* Destroy skip list for size tracking node */
- if(H5SL_close(flist_node->sec_list) < 0)
- HGOTO_ERROR(H5E_HEAP, H5E_CANTCLOSEOBJ, FAIL, "can't destroy size tracking node's skip list")
-
- /* Release free list node */
- H5FL_FREE(H5HF_flist_node_t, flist_node);
- } /* end if */
-
- HGOTO_DONE(TRUE)
- } /* end if */
-
- /* Advance to next larger bin */
- bin++;
- } while(bin < flist->nbins);
-
-done:
- FUNC_LEAVE_NOAPI(ret_value)
-} /* H5HF_flist_find_bin_node() */
-
-
-/*-------------------------------------------------------------------------
- * Function: H5HF_flist_find
- *
- * Purpose: Locate a section of free space (in existing free list) that
- * is large enough to fulfill request.
- *
- * Return: Success: non-negative
- *
- * Failure: negative
- *
- * Programmer: Quincey Koziol
- * Tuesday, March 7, 2006
- *
- *-------------------------------------------------------------------------
- */
-htri_t
-H5HF_flist_find(H5HF_freelist_t *flist, size_t request, void **node)
-{
- htri_t ret_value = FALSE; /* Return value */
-
- FUNC_ENTER_NOAPI_NOINIT(H5HF_flist_find)
-
-#ifdef QAK
-HDfprintf(stderr, "%s: request = %Zu\n", FUNC, request);
-#endif /* QAK */
-
- /* Check arguments. */
- HDassert(flist);
- HDassert(request > 0);
- HDassert(node);
-
- /* Check for any sections on free list */
-#ifdef QAK
-HDfprintf(stderr, "%s: flist->sec_count = %Zu\n", FUNC, flist->sec_count);
-#endif /* QAK */
- if(flist->sec_count > 0) {
- /* Check for single section */
-/* XXX: Take out the "&& !flist->using_bins" when bins converted back into single section */
- if(flist->sec_count == 1 && !flist->using_bins) {
- HDassert(flist->single.node);
-
- /* See if single section is large enough */
- if(*(flist->single.size_key) >= request) {
- *node = flist->single.node;
- flist->single.node = NULL;
- ret_value = TRUE;
- } /* end if */
- else
- HGOTO_DONE(FALSE)
- } /* end if */
- else {
- HDassert(flist->single.node == NULL);
-
- /* Look for node in bins */
- if((ret_value = H5HF_flist_find_bin_node(flist, request, node)) < 0)
- HGOTO_ERROR(H5E_HEAP, H5E_CANTFREE, FAIL, "can't remove section from bins")
- } /* end else */
-
- /* Decrement # of sections on free list, if we found an object */
- if(ret_value > 0) {
- flist->sec_count--;
-/* XXX: Should check for only one section in bins & convert to single section
- * This is somewhat hard because we "lose" the the size & address keys
- * (The address key is actually available, but the size key is gone, unless
- * we start tracking it.
- *
- * Drop back to using a "single" node when the bins are empty.
- */
- if(flist->sec_count == 0)
- flist->using_bins = FALSE;
- } /* end if */
- } /* end if */
-
-done:
- FUNC_LEAVE_NOAPI(ret_value)
-} /* H5HF_flist_find() */
-
-
-/*-------------------------------------------------------------------------
- * Function: H5HF_flist_node_free_cb
- *
- * Purpose: Free a size-tracking node for a bin
- *
- * Return: Success: non-negative
- *
- * Failure: negative
- *
- * Programmer: Quincey Koziol
- * Saturday, March 11, 2006
- *
- *-------------------------------------------------------------------------
- */
-static herr_t
-H5HF_flist_node_free_cb(void *item, void UNUSED *key, void *op_data)
-{
- H5HF_flist_node_t *flist_node = (H5HF_flist_node_t *)item; /* Temporary pointer to free list node */
-
- FUNC_ENTER_NOAPI_NOINIT_NOFUNC(H5HF_flist_node_free_cb)
-
- HDassert(flist_node);
-
- /* Release the skip list for sections of this size */
- H5SL_destroy(flist_node->sec_list, (H5SL_operator_t)op_data, NULL);
-
- /* Release free list node */
- H5FL_FREE(H5HF_flist_node_t, flist_node);
-
- FUNC_LEAVE_NOAPI(0)
-} /* H5HF_flist_node_free_cb() */
-
-
-/*-------------------------------------------------------------------------
- * Function: H5HF_flist_reset
- *
- * Purpose: Reset free list structure by freeing all existing sections
- * and restoring free list info to initial conditions.
- *
- * Return: Success: non-negative
- *
- * Failure: negative
- *
- * Programmer: Quincey Koziol
- * Tuesday, April 18, 2006
- *
- *-------------------------------------------------------------------------
- */
-herr_t
-H5HF_flist_reset(H5HF_freelist_t *flist)
-{
- unsigned u; /* Local index variable */
-
- FUNC_ENTER_NOAPI_NOINIT_NOFUNC(H5HF_flist_reset)
-
- /* Check arguments. */
- HDassert(flist);
-
- /* Check for single section to free */
-/* XXX: Take out the "&& !flist->using_bins" when bins converted back into single section */
- if(flist->sec_count == 1 && !flist->using_bins) {
- HDassert(flist->single.node != NULL);
- flist->node_free_op(flist->single.node, flist->single.addr_key, NULL);
- flist->single.node = NULL;
- } /* end if */
- HDassert(flist->single.node == NULL);
-
- /* Release bins for skip lists */
- if(flist->bins) {
- /* Clear out lists of nodes */
- for(u = 0; u < flist->nbins; u++)
- if(flist->bins[u]) {
- H5SL_destroy(flist->bins[u], H5HF_flist_node_free_cb, (void *)flist->node_free_op);
- flist->bins[u] = NULL;
- } /* end if */
-
- H5FL_SEQ_FREE(H5SL_ptr_t, flist->bins);
- } /* end if */
-
- /* Reset free list info back to initial state */
- H5HF_flist_init(flist);
-
- FUNC_LEAVE_NOAPI(SUCCEED)
-} /* H5HF_flist_reset() */
-
-
-/*-------------------------------------------------------------------------
- * Function: H5HF_flist_free
- *
- * Purpose: Destroy & deallocate free list structure
- *
- * Return: Success: non-negative
- *
- * Failure: negative
- *
- * Programmer: Quincey Koziol
- * Tuesday, March 7, 2006
- *
- *-------------------------------------------------------------------------
- */
-herr_t
-H5HF_flist_free(H5HF_freelist_t *flist)
-{
- FUNC_ENTER_NOAPI_NOINIT_NOFUNC(H5HF_flist_free)
-
- /* Check arguments. */
- HDassert(flist);
-
- /* Reset free list information */
- H5HF_flist_reset(flist);
-
- /* Free fractal heap free list info */
- H5FL_FREE(H5HF_freelist_t, flist);
-
- FUNC_LEAVE_NOAPI(SUCCEED)
-} /* H5HF_flist_free() */
-
diff --git a/src/H5HFhdr.c b/src/H5HFhdr.c
index b598191..664a7e7 100644
--- a/src/H5HFhdr.c
+++ b/src/H5HFhdr.c
@@ -46,7 +46,13 @@
* need to be larger, the 32-bit limit for H5V_log2_of2(n), and
* some offsets/sizes are encoded with a maxiumum of 32-bits - QAK)
*/
-#define H5HL_MAX_DIRECT_SIZE_LIMIT ((hsize_t)2 * 1024 * 1024 * 1024)
+#define H5HF_MAX_DIRECT_SIZE_LIMIT ((hsize_t)2 * 1024 * 1024 * 1024)
+
+/* Limit on the width of the doubling table */
+/* (This is limited to 16-bits currently, because I think it's unlikely to
+ * need to be larger, and its encoded with a maxiumum of 16-bits - QAK)
+ */
+#define H5HF_WIDTH_LIMIT (64 * 1024)
/******************/
/* Local Typedefs */
@@ -67,6 +73,9 @@
/* Package Variables */
/*********************/
+/* Declare a free list to manage the H5HF_hdr_t struct */
+H5FL_DEFINE(H5HF_hdr_t);
+
/*****************************/
/* Library Private Variables */
@@ -191,7 +200,7 @@ H5HF_hdr_compute_free_space(H5HF_hdr_t *hdr, hsize_t iblock_size)
herr_t
H5HF_hdr_finish_init(H5HF_hdr_t *hdr)
{
- size_t u; /* Local index variable */
+ unsigned u; /* Local index variable */
herr_t ret_value = SUCCEED; /* Return value */
FUNC_ENTER_NOAPI_NOINIT(H5HF_hdr_finish_init)
@@ -206,17 +215,6 @@ H5HF_hdr_finish_init(H5HF_hdr_t *hdr)
if(H5HF_dtable_init(&hdr->man_dtable) < 0)
HGOTO_ERROR(H5E_HEAP, H5E_CANTINIT, FAIL, "can't initialize doubling table info")
- /* Create the free-list structure for the heap */
- if(NULL == (hdr->flist = H5HF_flist_create(hdr->man_dtable.cparam.max_index, H5HF_free_section_free_cb)))
- HGOTO_ERROR(H5E_HEAP, H5E_CANTINIT, FAIL, "can't initialize free list info")
-
- /* Start the free list "generation" count */
- /* (Must be "out of sync" with starting value for indirect & direct block
- * cache loading routines, in order to trigger re-building the free list
- * information for each block when a heap is opened->closed->reopened -QAK)
- */
- hdr->fl_gen = 1;
-
/* Set the size of heap IDs */
hdr->id_len = hdr->heap_off_size + MIN(hdr->man_dtable.max_dir_blk_off_size,
((H5V_log2_gen((hsize_t)hdr->standalone_size) + 7) / 8));
@@ -225,8 +223,7 @@ H5HF_hdr_finish_init(H5HF_hdr_t *hdr)
for(u = 0; u < hdr->man_dtable.max_root_rows; u++) {
if(u < hdr->man_dtable.max_direct_rows)
hdr->man_dtable.row_dblock_free[u] = hdr->man_dtable.row_block_size[u] -
- (H5HF_MAN_ABS_DIRECT_OVERHEAD_SIZE(hdr, hdr->man_dtable.row_block_size[u])
- + H5HF_MAN_ABS_DIRECT_OBJ_PREFIX_LEN(hdr));
+ H5HF_MAN_ABS_DIRECT_OVERHEAD(hdr);
else
hdr->man_dtable.row_dblock_free[u] = H5HF_hdr_compute_free_space(hdr, hdr->man_dtable.row_block_size[u]);
#ifdef QAK
@@ -273,17 +270,28 @@ H5HF_hdr_init(H5HF_hdr_t *hdr, haddr_t fh_addr, H5HF_create_t *cparam)
#ifndef NDEBUG
/* Check for valid parameters */
- if(!POWER_OF_TWO(cparam->managed.width) || cparam->managed.width == 0)
+ if(cparam->managed.width == 0)
+ HGOTO_ERROR(H5E_HEAP, H5E_BADVALUE, FAIL, "width must be greater than zero")
+ if(cparam->managed.width > H5HF_WIDTH_LIMIT)
+ HGOTO_ERROR(H5E_HEAP, H5E_BADVALUE, FAIL, "width too large")
+ if(!POWER_OF_TWO(cparam->managed.width))
HGOTO_ERROR(H5E_HEAP, H5E_BADVALUE, FAIL, "width not power of two")
- if(!POWER_OF_TWO(cparam->managed.start_block_size) || cparam->managed.start_block_size == 0)
+ if(cparam->managed.start_block_size == 0)
+ HGOTO_ERROR(H5E_HEAP, H5E_BADVALUE, FAIL, "starting block size must be greater than zero")
+ if(!POWER_OF_TWO(cparam->managed.start_block_size))
HGOTO_ERROR(H5E_HEAP, H5E_BADVALUE, FAIL, "starting block size not power of two")
- if(!POWER_OF_TWO(cparam->managed.max_direct_size) ||
- (cparam->managed.max_direct_size == 0 || cparam->managed.max_direct_size > H5HL_MAX_DIRECT_SIZE_LIMIT))
+ if(cparam->managed.max_direct_size == 0)
+ HGOTO_ERROR(H5E_HEAP, H5E_BADVALUE, FAIL, "max. direct block size must be greater than zero")
+ if(cparam->managed.max_direct_size > H5HF_MAX_DIRECT_SIZE_LIMIT)
+ HGOTO_ERROR(H5E_HEAP, H5E_BADVALUE, FAIL, "max. direct block size too large")
+ if(!POWER_OF_TWO(cparam->managed.max_direct_size))
HGOTO_ERROR(H5E_HEAP, H5E_BADVALUE, FAIL, "max. direct block size not power of two")
if(cparam->managed.max_direct_size < cparam->standalone_size)
HGOTO_ERROR(H5E_HEAP, H5E_BADVALUE, FAIL, "max. direct block size not large enough to hold all managed blocks")
- if(cparam->managed.max_index > (8 * hdr->sizeof_size) || cparam->managed.max_index == 0)
- HGOTO_ERROR(H5E_HEAP, H5E_BADVALUE, FAIL, "max. direct block size not power of two")
+ if(cparam->managed.max_index == 0)
+ HGOTO_ERROR(H5E_HEAP, H5E_BADVALUE, FAIL, "max. heap size must be greater than zero")
+ if(cparam->managed.max_index > (8 * hdr->sizeof_size))
+ HGOTO_ERROR(H5E_HEAP, H5E_BADVALUE, FAIL, "max. heap size too large for file")
#endif /* NDEBUG */
/* Set the creation parameters for the heap */
@@ -292,11 +300,11 @@ H5HF_hdr_init(H5HF_hdr_t *hdr, haddr_t fh_addr, H5HF_create_t *cparam)
hdr->standalone_size = cparam->standalone_size;
HDmemcpy(&(hdr->man_dtable.cparam), &(cparam->managed), sizeof(H5HF_dtable_cparam_t));
- /* Set root table address */
+ /* Set root table address to indicate that the heap is empty currently */
hdr->man_dtable.table_addr = HADDR_UNDEF;
- /* Newly created heap's free list is always in sync in memory */
- hdr->freelist_sync = TRUE;
+ /* Set free list header address to indicate that the heap is empty currently */
+ hdr->fs_addr = HADDR_UNDEF;
/* Note that the shared info is dirty (it's not written to the file yet) */
hdr->dirty = TRUE;
@@ -428,6 +436,50 @@ done:
/*-------------------------------------------------------------------------
+ * Function: H5HF_hdr_adj_free
+ *
+ * Purpose: Adjust the free space for a heap
+ *
+ * Return: SUCCEED/FAIL
+ *
+ * Programmer: Quincey Koziol
+ * koziol@ncsa.uiuc.edu
+ * May 9 2006
+ *
+ *-------------------------------------------------------------------------
+ */
+herr_t
+H5HF_hdr_adj_free(H5HF_hdr_t *hdr, ssize_t amt)
+{
+ herr_t ret_value = SUCCEED; /* Return value */
+
+ FUNC_ENTER_NOAPI_NOINIT(H5HF_hdr_adj_free)
+#ifdef QAK
+HDfprintf(stderr, "%s: amt = %Zd\n", FUNC, amt);
+#endif /* QAK */
+
+ /*
+ * Check arguments.
+ */
+ HDassert(hdr);
+
+ /* Update heap header */
+ HDassert(amt > 0 || hdr->total_man_free >= (hsize_t)-amt);
+ hdr->total_man_free += amt;
+#ifdef QAK
+HDfprintf(stderr, "%s: hdr->total_man_free = %Hu\n", FUNC, hdr->total_man_free);
+#endif /* QAK */
+
+ /* Mark heap header as modified */
+ if(H5HF_hdr_dirty(hdr) < 0)
+ HGOTO_ERROR(H5E_HEAP, H5E_CANTDIRTY, FAIL, "can't mark heap header as dirty")
+
+done:
+ FUNC_LEAVE_NOAPI(ret_value)
+} /* end H5HF_hdr_adj_free() */
+
+
+/*-------------------------------------------------------------------------
* Function: H5HF_hdr_extend_heap
*
* Purpose: Extend heap to cover more space
diff --git a/src/H5HFiblock.c b/src/H5HFiblock.c
index fd7b520..cdffa80 100644
--- a/src/H5HFiblock.c
+++ b/src/H5HFiblock.c
@@ -57,18 +57,23 @@
/* Local Prototypes */
/********************/
-/* Indirect block routines */
-static herr_t H5HF_man_iblock_skip_blocks(H5HF_hdr_t *hdr,
+/* Free space section routines */
+static herr_t H5HF_man_iblock_skip_blocks(H5HF_hdr_t *hdr, hid_t dxpl_id,
H5HF_indirect_t *iblock, haddr_t iblock_addr,
unsigned start_entry, unsigned nentries);
-static herr_t H5HF_man_iblock_skip_ranges(H5HF_hdr_t *hdr,
+static herr_t H5HF_man_iblock_skip_ranges(H5HF_hdr_t *hdr, hid_t dxpl_id,
H5HF_indirect_t *iblock, haddr_t iblock_addr,
unsigned start_entry, unsigned nentries);
-static herr_t H5HF_man_iblock_double_root(H5HF_hdr_t *hdr, hid_t dxpl_id,
+
+/* Root indirect block routines */
+static herr_t H5HF_man_iblock_root_create(H5HF_hdr_t *hdr, hid_t dxpl_id,
+ size_t min_dblock_size);
+static herr_t H5HF_man_iblock_root_double(H5HF_hdr_t *hdr, hid_t dxpl_id,
size_t min_dblock_size);
+
+/* Misc. indirect block routines */
static herr_t H5HF_man_iblock_create(H5HF_hdr_t *hdr, hid_t dxpl_id,
hsize_t block_off, unsigned nrows, unsigned max_rows, haddr_t *addr_p);
-static herr_t H5HF_man_iblock_build_sections(H5HF_indirect_t *iblock);
/*********************/
/* Package Variables */
@@ -227,7 +232,7 @@ done:
*-------------------------------------------------------------------------
*/
static herr_t
-H5HF_man_iblock_skip_blocks(H5HF_hdr_t *hdr, H5HF_indirect_t *iblock,
+H5HF_man_iblock_skip_blocks(H5HF_hdr_t *hdr, hid_t dxpl_id, H5HF_indirect_t *iblock,
haddr_t iblock_addr, unsigned start_entry, unsigned nentries)
{
H5HF_free_section_t *sec_node; /* Pointer to free list section for range */
@@ -281,9 +286,10 @@ HDfprintf(stderr, "%s: row_entries = %u, hdr->man_dtable.row_dblock_free[%u] = %
HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, FAIL, "memory allocation failed for direct block free list section")
/* Set section's information */
- sec_node->sect_addr = sect_off;
- sec_node->sect_size = hdr->man_dtable.row_dblock_free[curr_row];
- sec_node->type = H5HF_SECT_RANGE;
+ sec_node->sect_info.addr = sect_off;
+ sec_node->sect_info.size = hdr->man_dtable.row_dblock_free[curr_row];
+ sec_node->sect_info.cls = &hdr->sect_cls[H5FS_SECT_FHEAP_RANGE];
+ sec_node->sect_info.state = H5FS_SECT_LIVE;
sec_node->u.range.iblock = iblock;
if(H5HF_iblock_incr(iblock) < 0)
HGOTO_ERROR(H5E_HEAP, H5E_CANTINC, FAIL, "can't increment reference count on shared indirect block")
@@ -292,7 +298,7 @@ HDfprintf(stderr, "%s: row_entries = %u, hdr->man_dtable.row_dblock_free[%u] = %
sec_node->u.range.num_entries = row_entries;
/* Add new free space to the global list of space */
- if(H5HF_flist_add(hdr->flist, sec_node, &sec_node->sect_size, &sec_node->sect_addr) < 0)
+ if(H5HF_space_add(hdr, dxpl_id, sec_node) < 0)
HGOTO_ERROR(H5E_HEAP, H5E_CANTINIT, FAIL, "can't add indirect block free space to global list")
/* Advance row & column position */
@@ -330,7 +336,7 @@ done:
*-------------------------------------------------------------------------
*/
static herr_t
-H5HF_man_iblock_skip_ranges(H5HF_hdr_t *hdr, H5HF_indirect_t *iblock,
+H5HF_man_iblock_skip_ranges(H5HF_hdr_t *hdr, hid_t dxpl_id, H5HF_indirect_t *iblock,
haddr_t iblock_addr, unsigned start_entry, unsigned nentries)
{
H5HF_free_section_t *sec_node; /* Pointer to free list section for range */
@@ -406,12 +412,13 @@ HDfprintf(stderr, "%s: hdr->man_dtable.row_dblock_free[%u] = %Zu\n", FUNC, w, hd
HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, FAIL, "memory allocation failed for direct block free list section")
/* Set section's information */
- sec_node->sect_addr = sect_off + hdr->man_dtable.row_block_off[w];
+ sec_node->sect_info.addr = sect_off + hdr->man_dtable.row_block_off[w];
#ifdef QAK
-HDfprintf(stderr, "%s: sec_node->sect_addr = %a\n", FUNC, sec_node->sect_addr);
+HDfprintf(stderr, "%s: sec_node->sect_info.addr = %a\n", FUNC, sec_node->sect_info.addr);
#endif /* QAK */
- sec_node->sect_size = hdr->man_dtable.row_dblock_free[w];
- sec_node->type = H5HF_SECT_INDIRECT;
+ sec_node->sect_info.size = hdr->man_dtable.row_dblock_free[w];
+ sec_node->sect_info.cls = &hdr->sect_cls[H5FS_SECT_FHEAP_INDIRECT];
+ sec_node->sect_info.state = H5FS_SECT_LIVE;
sec_node->u.indirect.iblock = iblock;
if(H5HF_iblock_incr(iblock) < 0)
HGOTO_ERROR(H5E_HEAP, H5E_CANTINC, FAIL, "can't increment reference count on shared indirect block")
@@ -422,7 +429,7 @@ HDfprintf(stderr, "%s: sec_node->sect_addr = %a\n", FUNC, sec_node->sect_addr);
sec_node->u.indirect.indir_nrows = num_rows;
/* Add new free space to the global list of space */
- if(H5HF_flist_add(hdr->flist, sec_node, &sec_node->sect_size, &sec_node->sect_addr) < 0)
+ if(H5HF_space_add(hdr, dxpl_id, sec_node) < 0)
HGOTO_ERROR(H5E_HEAP, H5E_CANTINIT, FAIL, "can't add indirect block free space to global list")
} /* end for */
#ifdef QAK
@@ -448,7 +455,144 @@ done:
/*-------------------------------------------------------------------------
- * Function: H5HF_man_iblock_double_root
+ * Function: H5HF_man_iblock_root_create
+ *
+ * Purpose: Create root indirect block
+ *
+ * Return: SUCCEED/FAIL
+ *
+ * Programmer: Quincey Koziol
+ * koziol@ncsa.uiuc.edu
+ * May 2 2006
+ *
+ *-------------------------------------------------------------------------
+ */
+static herr_t
+H5HF_man_iblock_root_create(H5HF_hdr_t *hdr, hid_t dxpl_id, size_t min_dblock_size)
+{
+ H5HF_indirect_t *iblock; /* Pointer to indirect block */
+ haddr_t iblock_addr; /* Indirect block's address */
+ hsize_t acc_dblock_free; /* Accumulated free space in direct blocks */
+ hbool_t have_direct_block; /* Flag to indicate a direct block already exists */
+ unsigned nrows; /* Number of rows for root indirect block */
+ unsigned u; /* Local index variable */
+ herr_t ret_value = SUCCEED; /* Return value */
+
+ FUNC_ENTER_NOAPI_NOINIT(H5HF_man_iblock_root_create)
+
+#ifdef QAK
+HDfprintf(stderr, "%s: Creating root indirect block\n", FUNC);
+#endif /* QAK */
+
+ /* Check for allocating entire root indirect block initially */
+ if(hdr->man_dtable.cparam.start_root_rows == 0)
+ nrows = hdr->man_dtable.max_root_rows;
+ else {
+ unsigned rows_needed; /* Number of rows needed to get to direct block size */
+ unsigned block_row_off; /* Row offset from larger block sizes */
+
+ nrows = hdr->man_dtable.cparam.start_root_rows;
+
+ block_row_off = H5V_log2_of2(min_dblock_size) - H5V_log2_of2(hdr->man_dtable.cparam.start_block_size);
+ if(block_row_off > 0)
+ block_row_off++; /* Account for the pair of initial rows of the initial block size */
+ rows_needed = 1 + block_row_off;
+ if(nrows < rows_needed)
+ nrows = rows_needed;
+ } /* end else */
+#ifdef QAK
+HDfprintf(stderr, "%s: nrows = %u\n", FUNC, nrows);
+#endif /* QAK */
+
+ /* Allocate root indirect block */
+ if(H5HF_man_iblock_create(hdr, dxpl_id, (hsize_t)0, nrows, hdr->man_dtable.max_root_rows, &iblock_addr) < 0)
+ HGOTO_ERROR(H5E_HEAP, H5E_CANTALLOC, FAIL, "can't allocate fractal heap indirect block")
+#ifdef QAK
+HDfprintf(stderr, "%s: iblock_addr = %a\n", FUNC, iblock_addr);
+#endif /* QAK */
+
+ /* Move current direct block (used as root) into new indirect block */
+
+ /* Lock new indirect block */
+ if(NULL == (iblock = H5HF_man_iblock_protect(hdr, dxpl_id, iblock_addr, nrows, NULL, 0, H5AC_WRITE)))
+ HGOTO_ERROR(H5E_HEAP, H5E_CANTPROTECT, FAIL, "unable to protect fractal heap indirect block")
+
+ /* Check if there's already a direct block as root) */
+ have_direct_block = H5F_addr_defined(hdr->man_dtable.table_addr);
+#ifdef QAK
+HDfprintf(stderr, "%s: have_direct_block = %u\n", FUNC, (unsigned)have_direct_block);
+#endif /* QAK */
+ if(have_direct_block) {
+ H5HF_direct_t *dblock; /* Pointer to direct block to query */
+
+ /* Lock first (root) direct block */
+ if(NULL == (dblock = H5HF_man_dblock_protect(hdr, dxpl_id, hdr->man_dtable.table_addr, hdr->man_dtable.cparam.start_block_size, iblock, 0, H5AC_WRITE)))
+ HGOTO_ERROR(H5E_HEAP, H5E_CANTPROTECT, FAIL, "unable to protect fractal heap direct block")
+
+ /* Point indirect block at direct block to add */
+ iblock->ents[0].addr = hdr->man_dtable.table_addr;
+
+ /* Make direct block share parent indirect block */
+ dblock->parent = iblock;
+ dblock->par_entry = 0;
+ if(H5HF_iblock_incr(iblock) < 0)
+ HGOTO_ERROR(H5E_HEAP, H5E_CANTINC, FAIL, "can't increment reference count on shared indirect block")
+
+ /* Unlock first (root) direct block */
+ if(H5AC_unprotect(hdr->f, dxpl_id, H5AC_FHEAP_DBLOCK, hdr->man_dtable.table_addr, dblock, H5AC__NO_FLAGS_SET) < 0)
+ HGOTO_ERROR(H5E_HEAP, H5E_CANTUNPROTECT, FAIL, "unable to release fractal heap direct block")
+ dblock = NULL;
+ } /* end if */
+
+ /* Set up iterator at correct location */
+ if(H5HF_man_iter_start_entry(hdr, &hdr->next_block, iblock, have_direct_block) < 0)
+ HGOTO_ERROR(H5E_HEAP, H5E_CANTINIT, FAIL, "can't initialize block iterator")
+
+ /* Check for skipping over direct blocks, in order to get to large enough block */
+ if(min_dblock_size > hdr->man_dtable.cparam.start_block_size) {
+ /* Add skipped blocks to heap's free space */
+ if(H5HF_man_iblock_skip_blocks(hdr, dxpl_id, iblock, iblock_addr,
+ have_direct_block, ((nrows - 1) * hdr->man_dtable.cparam.width) - have_direct_block) < 0)
+ HGOTO_ERROR(H5E_HEAP, H5E_CANTDEC, FAIL, "can't add skipped blocks to heap's free space")
+ } /* end if */
+
+ /* Mark indirect block as modified */
+ if(H5HF_iblock_dirty(iblock) < 0)
+ HGOTO_ERROR(H5E_HEAP, H5E_CANTDIRTY, FAIL, "can't mark indirect block as dirty")
+
+ /* Unprotect root indirect block (it's pinned by the iterator though) */
+ if(H5AC_unprotect(hdr->f, dxpl_id, H5AC_FHEAP_IBLOCK, iblock->addr, iblock, H5AC__DIRTIED_FLAG) < 0)
+ HGOTO_ERROR(H5E_HEAP, H5E_CANTUNPROTECT, FAIL, "unable to release fractal heap indirect block")
+ iblock = NULL;
+
+ /* Point heap header at new indirect block */
+ hdr->man_dtable.curr_root_rows = nrows;
+ hdr->man_dtable.table_addr = iblock_addr;
+
+ /* Compute free space in direct blocks referenced from entries in root indirect block */
+ acc_dblock_free = 0;
+ for(u = 0; u < nrows; u++)
+ acc_dblock_free += hdr->man_dtable.row_dblock_free[u] * hdr->man_dtable.cparam.width;
+
+ /* Account for potential initial direct block */
+ if(have_direct_block)
+ acc_dblock_free -= hdr->man_dtable.row_dblock_free[0];
+
+ /* Extend heap to cover new root indirect block */
+ if(H5HF_hdr_extend_heap(hdr, hdr->man_dtable.row_block_off[nrows], acc_dblock_free) < 0)
+ HGOTO_ERROR(H5E_HEAP, H5E_CANTEXTEND, FAIL, "can't increase space to cover root direct block")
+
+ /* Mark heap header as modified */
+ if(H5HF_hdr_dirty(hdr) < 0)
+ HGOTO_ERROR(H5E_HEAP, H5E_CANTDIRTY, FAIL, "can't mark header as dirty")
+
+done:
+ FUNC_LEAVE_NOAPI(ret_value)
+} /* end H5HF_man_iblock_root_create() */
+
+
+/*-------------------------------------------------------------------------
+ * Function: H5HF_man_iblock_root_double
*
* Purpose: Double size of root indirect block
*
@@ -461,7 +605,7 @@ done:
*-------------------------------------------------------------------------
*/
static herr_t
-H5HF_man_iblock_double_root(H5HF_hdr_t *hdr, hid_t dxpl_id, size_t min_dblock_size)
+H5HF_man_iblock_root_double(H5HF_hdr_t *hdr, hid_t dxpl_id, size_t min_dblock_size)
{
H5HF_indirect_t *iblock; /* Pointer to root indirect block */
haddr_t new_addr; /* New address of indirect block */
@@ -477,7 +621,7 @@ H5HF_man_iblock_double_root(H5HF_hdr_t *hdr, hid_t dxpl_id, size_t min_dblock_si
size_t u; /* Local index variable */
herr_t ret_value = SUCCEED; /* Return value */
- FUNC_ENTER_NOAPI_NOINIT(H5HF_man_iblock_double_root)
+ FUNC_ENTER_NOAPI_NOINIT(H5HF_man_iblock_root_double)
#ifdef QAK
HDfprintf(stderr, "%s: Extending root indirect block\n", FUNC);
@@ -548,7 +692,7 @@ HDfprintf(stderr, "%s: new_addr = %a\n", FUNC, new_addr);
/* Check for skipping over rows and add free section for skipped rows */
if(skip_direct_rows) {
/* Add skipped blocks to heap's free space */
- if(H5HF_man_iblock_skip_blocks(hdr, iblock, new_addr,
+ if(H5HF_man_iblock_skip_blocks(hdr, dxpl_id, iblock, new_addr,
next_entry, (new_next_entry - next_entry)) < 0)
HGOTO_ERROR(H5E_HEAP, H5E_CANTDEC, FAIL, "can't add skipped blocks to heap's free space")
} /* end if */
@@ -559,9 +703,7 @@ HDfprintf(stderr, "%s: new_addr = %a\n", FUNC, new_addr);
unsigned row = u / hdr->man_dtable.cparam.width; /* Row for current entry */
iblock->ents[u].addr = HADDR_UNDEF;
- iblock->ents[u].free_space = hdr->man_dtable.row_dblock_free[row];
- iblock->child_free_space += iblock->ents[u].free_space;
- acc_dblock_free += iblock->ents[u].free_space;
+ acc_dblock_free += hdr->man_dtable.row_dblock_free[row];
} /* end for */
/* Mark indirect block as dirty */
@@ -601,11 +743,11 @@ HDfprintf(stderr, "%s: acc_dblock_free = %Hu\n", FUNC, acc_dblock_free);
/* Release the indirect block (marked as dirty) */
if(H5AC_unprotect(hdr->f, dxpl_id, H5AC_FHEAP_IBLOCK, iblock->addr, iblock, H5AC__DIRTIED_FLAG) < 0)
- HDONE_ERROR(H5E_HEAP, H5E_CANTUNPROTECT, FAIL, "unable to release fractal heap indirect block")
+ HGOTO_ERROR(H5E_HEAP, H5E_CANTUNPROTECT, FAIL, "unable to release fractal heap indirect block")
done:
FUNC_LEAVE_NOAPI(ret_value)
-} /* end H5HF_man_iblock_double_root() */
+} /* end H5HF_man_iblock_root_double() */
/*-------------------------------------------------------------------------
@@ -627,8 +769,10 @@ H5HF_indirect_t *
H5HF_man_iblock_place_dblock(H5HF_hdr_t *hdr, hid_t dxpl_id, size_t min_dblock_size,
size_t *entry_p, size_t *dblock_size)
{
+#ifdef OLD_WAY
H5HF_indirect_t *iblock; /* Pointer to indirect block */
haddr_t iblock_addr; /* Indirect block's address */
+#endif /* OLD_WAY */
H5HF_indirect_t *ret_value; /* Return value */
FUNC_ENTER_NOAPI_NOINIT(H5HF_man_iblock_place_dblock)
@@ -644,118 +788,11 @@ HDfprintf(stderr, "%s: min_dblock_size = %Zu\n", FUNC, min_dblock_size);
/* Check for creating first indirect block */
if(hdr->man_dtable.curr_root_rows == 0) {
- H5HF_direct_t *dblock; /* Pointer to direct block to query */
- hsize_t acc_dblock_free; /* Accumulated free space in direct blocks */
- hbool_t have_direct_block; /* Flag to indicate a direct block already exists */
- unsigned nrows; /* Number of rows for root indirect block */
- unsigned u; /* Local index variable */
-
-#ifdef QAK
-HDfprintf(stderr, "%s: creating first indirect block\n", FUNC);
-#endif /* QAK */
- /* Check for allocating entire root indirect block initially */
- if(hdr->man_dtable.cparam.start_root_rows == 0)
- nrows = hdr->man_dtable.max_root_rows;
- else {
- unsigned rows_needed; /* Number of rows needed to get to direct block size */
- unsigned block_row_off; /* Row offset from larger block sizes */
-
- nrows = hdr->man_dtable.cparam.start_root_rows;
-
- block_row_off = H5V_log2_of2(min_dblock_size) - H5V_log2_of2(hdr->man_dtable.cparam.start_block_size);
- if(block_row_off > 0)
- block_row_off++; /* Account for the pair of initial rows of the initial block size */
- rows_needed = 1 + block_row_off;
- if(nrows < rows_needed)
- nrows = rows_needed;
- } /* end else */
-#ifdef QAK
-HDfprintf(stderr, "%s: nrows = %u\n", FUNC, nrows);
-#endif /* QAK */
-
- /* Allocate root indirect block */
- if(H5HF_man_iblock_create(hdr, dxpl_id, (hsize_t)0, nrows, hdr->man_dtable.max_root_rows, &iblock_addr) < 0)
- HGOTO_ERROR(H5E_HEAP, H5E_CANTALLOC, NULL, "can't allocate fractal heap indirect block")
-#ifdef QAK
-HDfprintf(stderr, "%s: iblock_addr = %a\n", FUNC, iblock_addr);
-#endif /* QAK */
-
- /* Move current direct block (used as root) into new indirect block */
-
- /* Lock new indirect block */
- if(NULL == (iblock = H5HF_man_iblock_protect(hdr, dxpl_id, iblock_addr, nrows, NULL, 0, H5AC_WRITE)))
- HGOTO_ERROR(H5E_HEAP, H5E_CANTPROTECT, NULL, "unable to protect fractal heap indirect block")
-
- /* Check if there's already a direct block as root) */
- have_direct_block = H5F_addr_defined(hdr->man_dtable.table_addr);
-#ifdef QAK
-HDfprintf(stderr, "%s: have_direct_block = %u\n", FUNC, (unsigned)have_direct_block);
-#endif /* QAK */
- if(have_direct_block) {
- /* Lock first (root) direct block */
- if(NULL == (dblock = H5HF_man_dblock_protect(hdr, dxpl_id, hdr->man_dtable.table_addr, hdr->man_dtable.cparam.start_block_size, iblock, 0, H5AC_WRITE)))
- HGOTO_ERROR(H5E_HEAP, H5E_CANTPROTECT, NULL, "unable to protect fractal heap direct block")
-
- /* Point indirect block at direct block to add */
- iblock->child_free_space += (hssize_t)(dblock->blk_free_space - iblock->ents[0].free_space);
- iblock->ents[0].addr = hdr->man_dtable.table_addr;
- iblock->ents[0].free_space = dblock->blk_free_space;
-
- /* Make direct block share parent indirect block */
- dblock->parent = iblock;
- dblock->par_entry = 0;
- if(H5HF_iblock_incr(iblock) < 0)
- HGOTO_ERROR(H5E_HEAP, H5E_CANTINC, NULL, "can't increment reference count on shared indirect block")
-
- /* Unlock first (root) direct block */
- if(H5AC_unprotect(hdr->f, dxpl_id, H5AC_FHEAP_DBLOCK, hdr->man_dtable.table_addr, dblock, H5AC__NO_FLAGS_SET) < 0)
- HDONE_ERROR(H5E_HEAP, H5E_CANTUNPROTECT, NULL, "unable to release fractal heap direct block")
- dblock = NULL;
- } /* end if */
-
- /* Set up iterator at correct location */
- if(H5HF_man_iter_start_entry(hdr, &hdr->next_block, iblock, have_direct_block) < 0)
- HGOTO_ERROR(H5E_HEAP, H5E_CANTINIT, NULL, "can't initialize block iterator")
-
- /* Check for skipping over direct blocks, in order to get to large enough block */
- if(min_dblock_size > hdr->man_dtable.cparam.start_block_size) {
- /* Add skipped blocks to heap's free space */
- if(H5HF_man_iblock_skip_blocks(hdr, iblock, iblock_addr,
- have_direct_block, ((nrows - 1) * hdr->man_dtable.cparam.width) - have_direct_block) < 0)
- HGOTO_ERROR(H5E_HEAP, H5E_CANTDEC, NULL, "can't add skipped blocks to heap's free space")
- } /* end if */
-
- /* Mark indirect block as modified */
- if(H5HF_iblock_dirty(iblock) < 0)
- HGOTO_ERROR(H5E_HEAP, H5E_CANTDIRTY, NULL, "can't mark indirect block as dirty")
-
- /* Unprotect root indirect block (it's pinned by the iterator though) */
- if(H5AC_unprotect(hdr->f, dxpl_id, H5AC_FHEAP_IBLOCK, iblock->addr, iblock, H5AC__DIRTIED_FLAG) < 0)
- HDONE_ERROR(H5E_HEAP, H5E_CANTUNPROTECT, NULL, "unable to release fractal heap indirect block")
- iblock = NULL;
-
- /* Point heap header at new indirect block */
- hdr->man_dtable.curr_root_rows = nrows;
- hdr->man_dtable.table_addr = iblock_addr;
-
- /* Compute free space in direct blocks referenced from entries in root indirect block */
- acc_dblock_free = 0;
- for(u = 0; u < nrows; u++)
- acc_dblock_free += hdr->man_dtable.row_dblock_free[u] * hdr->man_dtable.cparam.width;
-
- /* Account for potential initial direct block */
- if(have_direct_block)
- acc_dblock_free -= hdr->man_dtable.row_dblock_free[0];
-
- /* Extend heap to cover new root indirect block */
- if(H5HF_hdr_extend_heap(hdr, hdr->man_dtable.row_block_off[nrows], acc_dblock_free) < 0)
- HGOTO_ERROR(H5E_HEAP, H5E_CANTEXTEND, NULL, "can't increase space to cover root direct block")
-
- /* Mark heap header as modified */
- if(H5HF_hdr_dirty(hdr) < 0)
- HGOTO_ERROR(H5E_HEAP, H5E_CANTDIRTY, NULL, "can't mark header as dirty")
+ if(H5HF_man_iblock_root_create(hdr, dxpl_id, min_dblock_size) < 0)
+ HGOTO_ERROR(H5E_HEAP, H5E_CANTEXTEND, NULL, "unable to create root indirect block")
} /* end if */
else {
+ H5HF_indirect_t *iblock; /* Pointer to indirect block */
hbool_t walked_up, walked_down; /* Condition variables for finding direct block location */
unsigned next_row; /* Iterator's next block row */
unsigned next_entry; /* Iterator's next block entry */
@@ -808,7 +845,7 @@ HDfprintf(stderr, "%s: min_entry = %u, skip_entries = %u\n", FUNC, min_entry, sk
#endif /* QAK */
/* Add skipped direct blocks to heap's free space */
- if(H5HF_man_iblock_skip_blocks(hdr, iblock, iblock->addr, next_entry, skip_entries) < 0)
+ if(H5HF_man_iblock_skip_blocks(hdr, dxpl_id, iblock, iblock->addr, next_entry, skip_entries) < 0)
HGOTO_ERROR(H5E_HEAP, H5E_CANTDEC, NULL, "can't add skipped blocks to heap's free space")
/* Get information about new iterator location */
@@ -839,7 +876,7 @@ HDfprintf(stderr, "%s: Off the end of a block\n", FUNC);
#ifdef QAK
HDfprintf(stderr, "%s: Doubling root block\n", FUNC);
#endif /* QAK */
- if(H5HF_man_iblock_double_root(hdr, dxpl_id, min_dblock_size) < 0)
+ if(H5HF_man_iblock_root_double(hdr, dxpl_id, min_dblock_size) < 0)
HGOTO_ERROR(H5E_HEAP, H5E_CANTEXTEND, NULL, "unable to double root indirect block")
} /* end if */
else {
@@ -915,7 +952,7 @@ HDfprintf(stderr, "%s: child_entry = %u\n", FUNC, child_entry);
#endif /* QAK */
/* Add skipped indirect ranges to heap's free space */
- if(H5HF_man_iblock_skip_ranges(hdr, iblock, iblock->addr, next_entry, (child_entry - next_entry)) < 0)
+ if(H5HF_man_iblock_skip_ranges(hdr, dxpl_id, iblock, iblock->addr, next_entry, (child_entry - next_entry)) < 0)
HGOTO_ERROR(H5E_HEAP, H5E_CANTDEC, NULL, "can't add skipped blocks to heap's free space")
} /* end if */
else {
@@ -974,7 +1011,7 @@ HDfprintf(stderr, "%s: Skipping rows in new child indirect block - new_entry = %
#endif /* QAK */
/* Add skipped blocks to heap's free space */
- if(H5HF_man_iblock_skip_blocks(hdr, new_iblock, new_iblock->addr, 0, new_entry) < 0)
+ if(H5HF_man_iblock_skip_blocks(hdr, dxpl_id, new_iblock, new_iblock->addr, 0, new_entry) < 0)
HGOTO_ERROR(H5E_HEAP, H5E_CANTDEC, NULL, "can't add skipped blocks to heap's free space")
} /* end if */
@@ -988,7 +1025,7 @@ HDfprintf(stderr, "%s: Skipping rows in new child indirect block - new_entry = %
/* Unprotect child indirect block */
if(H5AC_unprotect(hdr->f, dxpl_id, H5AC_FHEAP_IBLOCK, new_iblock->addr, new_iblock, H5AC__DIRTIED_FLAG) < 0)
- HDONE_ERROR(H5E_HEAP, H5E_CANTUNPROTECT, NULL, "unable to release fractal heap indirect block")
+ HGOTO_ERROR(H5E_HEAP, H5E_CANTUNPROTECT, NULL, "unable to release fractal heap indirect block")
} /* end else */
/* Get information about new iterator location */
@@ -1004,6 +1041,7 @@ HDfprintf(stderr, "%s: Skipping rows in new child indirect block - new_entry = %
/* Get information about iterator location */
{
+ H5HF_indirect_t *iblock; /* Pointer to indirect block */
unsigned next_row; /* Iterator's next block row */
unsigned next_entry; /* Iterator's next block entry */
size_t next_size; /* Size of next direct block to create */
@@ -1026,12 +1064,6 @@ HGOTO_ERROR(H5E_HEAP, H5E_UNSUPPORTED, NULL, "skipping direct block sizes not su
/* Set size of direct block to create */
*dblock_size = next_size;
-#ifdef OLD_WAY
- /* Increment location of next block from this indirect block */
- if(H5HF_man_iter_next(hdr, &hdr->next_block, 1) < 0)
- HGOTO_ERROR(H5E_HEAP, H5E_CANTINC, NULL, "can't advance fractal heap block location")
-#endif /* OLD_WAY */
-
/* Set return value */
ret_value = iblock;
}
@@ -1042,6 +1074,78 @@ done:
/*-------------------------------------------------------------------------
+ * Function: H5HF_man_iblock_alloc_single
+ *
+ * Purpose: Update the memory information for a 'single' free section
+ *
+ * Return: Non-negative on success/Negative on failure
+ *
+ * Programmer: Quincey Koziol
+ * koziol@ncsa.uiuc.edu
+ * May 8 2006
+ *
+ *-------------------------------------------------------------------------
+ */
+herr_t
+H5HF_man_iblock_alloc_single(H5HF_hdr_t *hdr, hid_t dxpl_id,
+ H5HF_free_section_t *sec_node)
+{
+ H5HF_indirect_t *sec_iblock; /* Pointer to section indirect block */
+ unsigned sec_entry; /* Entry within section indirect block */
+ herr_t ret_value = SUCCEED; /* Return value */
+
+ FUNC_ENTER_NOAPI_NOINIT(H5HF_man_iblock_alloc_single)
+
+ /*
+ * Check arguments.
+ */
+ HDassert(hdr);
+ HDassert(sec_node);
+ HDassert(sec_node->sect_info.state == H5FS_SECT_SERIALIZED);
+
+ /* Check for root direct block */
+ if(hdr->man_dtable.curr_root_rows == 0) {
+ /* Set the information for the section */
+ sec_node->u.single.parent = NULL;
+ sec_node->u.single.par_entry = 0;
+
+ /* Set direct block info */
+ HDassert(H5F_addr_defined(hdr->man_dtable.table_addr));
+ sec_node->u.single.dblock_addr = hdr->man_dtable.table_addr;
+ sec_node->u.single.dblock_size = hdr->man_dtable.cparam.start_block_size;
+ } /* end if */
+ else {
+ /* Look up indirect block containing direct blocks for range */
+ if(H5HF_man_locate_block(hdr, dxpl_id, sec_node->sect_info.addr, FALSE, &sec_iblock, &sec_entry, H5AC_READ) < 0)
+ HGOTO_ERROR(H5E_HEAP, H5E_CANTCOMPUTE, FAIL, "can't compute row & column of section")
+
+ /* Increment reference count on indirect block that free section is in */
+ if(H5HF_iblock_incr(sec_iblock) < 0)
+ HGOTO_ERROR(H5E_HEAP, H5E_CANTDEC, FAIL, "can't decrement reference count on shared indirect block")
+
+ /* Set the information for the section */
+ sec_node->u.single.parent = sec_iblock;
+ sec_node->u.single.par_entry = sec_entry;
+
+ /* Set direct block info */
+ sec_node->u.single.dblock_addr = sec_iblock->ents[sec_entry].addr;
+ sec_node->u.single.dblock_size = hdr->man_dtable.row_block_size[sec_entry / hdr->man_dtable.cparam.width];
+
+ /* Unlock indirect block */
+ if(H5AC_unprotect(hdr->f, dxpl_id, H5AC_FHEAP_IBLOCK, sec_iblock->addr, sec_iblock, H5AC__NO_FLAGS_SET) < 0)
+ HGOTO_ERROR(H5E_HEAP, H5E_CANTUNPROTECT, FAIL, "unable to release fractal heap indirect block")
+ sec_iblock = NULL;
+ } /* end else */
+
+ /* Section is "live" now */
+ sec_node->sect_info.state = H5FS_SECT_LIVE;
+
+done:
+ FUNC_LEAVE_NOAPI(ret_value)
+} /* end H5HF_man_iblock_alloc_single() */
+
+
+/*-------------------------------------------------------------------------
* Function: H5HF_man_iblock_alloc_range
*
* Purpose: Allocate a "single" section for an object, out of a "range"
@@ -1061,7 +1165,7 @@ herr_t
H5HF_man_iblock_alloc_range(H5HF_hdr_t *hdr, hid_t dxpl_id,
H5HF_free_section_t **sec_node)
{
- H5HF_indirect_t *iblock; /* Pointer to indirect block */
+ H5HF_indirect_t *iblock = NULL; /* Pointer to indirect block */
haddr_t dblock_addr; /* Direct block's address */
H5HF_free_section_t *dblock_sec_node = NULL; /* Pointer to direct block's section node */
H5HF_free_section_t *old_sec_node = *sec_node; /* Pointer to old section node */
@@ -1076,6 +1180,31 @@ H5HF_man_iblock_alloc_range(H5HF_hdr_t *hdr, hid_t dxpl_id,
HDassert(hdr);
HDassert(sec_node && *sec_node);
+ /* Check for serialized section */
+ if(old_sec_node->sect_info.state == H5FS_SECT_SERIALIZED) {
+ H5HF_indirect_t *sec_iblock; /* Pointer to section indirect block */
+ unsigned sec_entry; /* Entry within section indirect block */
+
+ /* Look up indirect block containing direct blocks for range */
+ if(H5HF_man_locate_block(hdr, dxpl_id, old_sec_node->sect_info.addr, FALSE, &sec_iblock, &sec_entry, H5AC_READ) < 0)
+ HGOTO_ERROR(H5E_HEAP, H5E_CANTCOMPUTE, FAIL, "can't compute row & column of section")
+
+ /* Increment reference count on indirect block that free section is in */
+ if(H5HF_iblock_incr(sec_iblock) < 0)
+ HGOTO_ERROR(H5E_HEAP, H5E_CANTDEC, FAIL, "can't decrement reference count on shared indirect block")
+
+ /* Set the pointer to the section's indirect block */
+ old_sec_node->u.range.iblock = sec_iblock;
+
+ /* Unlock indirect block */
+ if(H5AC_unprotect(hdr->f, dxpl_id, H5AC_FHEAP_IBLOCK, sec_iblock->addr, sec_iblock, H5AC__NO_FLAGS_SET) < 0)
+ HGOTO_ERROR(H5E_HEAP, H5E_CANTUNPROTECT, FAIL, "unable to release fractal heap indirect block")
+ sec_iblock = NULL;
+
+ /* Section is "live" now */
+ old_sec_node->sect_info.state = H5FS_SECT_LIVE;
+ } /* end if */
+
/* Compute info about range */
cur_entry = (old_sec_node->u.range.row * hdr->man_dtable.cparam.width) + old_sec_node->u.range.col;
@@ -1098,7 +1227,7 @@ HDfprintf(stderr, "%s: hdr->man_dtable.row_block_size[old_sec_node->u.range.row]
HDfprintf(stderr, "%s: old_sec_node->sect_addr = %a\n", FUNC, old_sec_node->sect_addr);
#endif /* QAK */
/* Create direct block of appropriate size */
- if(H5HF_man_dblock_create(dxpl_id, hdr, iblock, cur_entry, (size_t)hdr->man_dtable.row_block_size[old_sec_node->u.range.row], (hsize_t)old_sec_node->sect_addr, &dblock_addr, &dblock_sec_node) < 0)
+ if(H5HF_man_dblock_create(dxpl_id, hdr, iblock, cur_entry, (size_t)hdr->man_dtable.row_block_size[old_sec_node->u.range.row], (hsize_t)old_sec_node->sect_info.addr, &dblock_addr, &dblock_sec_node) < 0)
HGOTO_ERROR(H5E_HEAP, H5E_CANTALLOC, FAIL, "can't allocate fractal heap direct block")
/* Hook direct block up to indirect block */
@@ -1119,14 +1248,14 @@ HDfprintf(stderr, "%s: old_sec_node->sect_addr = %a\n", FUNC, old_sec_node->sect
} /* end if */
else {
/* Adjust section information */
- old_sec_node->sect_addr += hdr->man_dtable.row_block_size[old_sec_node->u.range.row];
+ old_sec_node->sect_info.addr += hdr->man_dtable.row_block_size[old_sec_node->u.range.row];
/* Adjust range information */
old_sec_node->u.range.col++;
old_sec_node->u.range.num_entries--;
/* Add section back to free space list */
- if(H5HF_flist_add(hdr->flist, old_sec_node, &old_sec_node->sect_size, &old_sec_node->sect_addr) < 0)
+ if(H5HF_space_add(hdr, dxpl_id, old_sec_node) < 0)
HGOTO_ERROR(H5E_HEAP, H5E_CANTINIT, FAIL, "can't add indirect block free space to global list")
} /* end else */
@@ -1178,6 +1307,31 @@ H5HF_man_iblock_alloc_indirect(H5HF_hdr_t *hdr, hid_t dxpl_id,
HDassert(hdr);
HDassert(sec_node && *sec_node);
+ /* Check for serialized section */
+ if(old_sec_node->sect_info.state == H5FS_SECT_SERIALIZED) {
+ H5HF_indirect_t *sec_iblock; /* Pointer to section indirect block */
+ unsigned sec_entry; /* Entry within section indirect block */
+
+ /* Look up indirect block containing indirect blocks for section */
+ if(H5HF_man_locate_block(hdr, dxpl_id, old_sec_node->sect_info.addr, TRUE, &sec_iblock, &sec_entry, H5AC_READ) < 0)
+ HGOTO_ERROR(H5E_HEAP, H5E_CANTCOMPUTE, FAIL, "can't compute row & column of section")
+
+ /* Increment reference count on indirect block that free section is in */
+ if(H5HF_iblock_incr(sec_iblock) < 0)
+ HGOTO_ERROR(H5E_HEAP, H5E_CANTDEC, FAIL, "can't decrement reference count on shared indirect block")
+
+ /* Set the pointer to the section's indirect block */
+ old_sec_node->u.indirect.iblock = sec_iblock;
+
+ /* Unlock indirect block */
+ if(H5AC_unprotect(hdr->f, dxpl_id, H5AC_FHEAP_IBLOCK, sec_iblock->addr, sec_iblock, H5AC__NO_FLAGS_SET) < 0)
+ HGOTO_ERROR(H5E_HEAP, H5E_CANTUNPROTECT, FAIL, "unable to release fractal heap indirect block")
+ sec_iblock = NULL;
+
+ /* Section is "live" now */
+ old_sec_node->sect_info.state = H5FS_SECT_LIVE;
+ } /* end if */
+
/* Compute info about range */
curr_entry = (old_sec_node->u.indirect.row * hdr->man_dtable.cparam.width) + old_sec_node->u.indirect.col;
@@ -1232,7 +1386,6 @@ HDfprintf(stderr, "%s: child_iblock->child_free_space = %Hu\n", FUNC, child_iblo
/* Hook child up to parent indirect block */
iblock->ents[curr_entry].addr = child_iblock_addr;
- HDassert(iblock->ents[curr_entry].free_space == child_iblock->child_free_space);
/* Mark parent indirect block as modified */
if(H5HF_iblock_dirty(iblock) < 0)
@@ -1243,12 +1396,13 @@ HDfprintf(stderr, "%s: child_iblock->child_free_space = %Hu\n", FUNC, child_iblo
dblock_entry = old_sec_node->u.indirect.indir_row * hdr->man_dtable.cparam.width;
/* Create direct block of correct size */
+ /* (creates a 'single' free space section also) */
#ifdef QAK
HDfprintf(stderr, "%s: old_sec_node->u.indirect.indir_row = %u\n", FUNC, old_sec_node->u.indirect.indir_row);
HDfprintf(stderr, "%s: hdr->man_dtable.row_block_size[old_sec_node->u.indirect.indir_row] = %Hu\n", FUNC, hdr->man_dtable.row_block_size[old_sec_node->u.indirect.indir_row]);
HDfprintf(stderr, "%s: old_sec_node->sect_addr = %a\n", FUNC, old_sec_node->sect_addr);
#endif /* QAK */
- if(H5HF_man_dblock_create(dxpl_id, hdr, child_iblock, dblock_entry, (size_t)hdr->man_dtable.row_block_size[old_sec_node->u.indirect.indir_row], (hsize_t)old_sec_node->sect_addr, &dblock_addr, &dblock_sec_node) < 0)
+ if(H5HF_man_dblock_create(dxpl_id, hdr, child_iblock, dblock_entry, (size_t)hdr->man_dtable.row_block_size[old_sec_node->u.indirect.indir_row], (hsize_t)old_sec_node->sect_info.addr, &dblock_addr, &dblock_sec_node) < 0)
HGOTO_ERROR(H5E_HEAP, H5E_CANTALLOC, FAIL, "can't allocate fractal heap direct block")
/* Hook direct block up to child indirect block */
@@ -1266,10 +1420,11 @@ HDfprintf(stderr, "%s: old_sec_node->sect_addr = %a\n", FUNC, old_sec_node->sect
HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, FAIL, "memory allocation failed for direct block free list section")
/* Set section's information */
- range_sec_node->sect_addr = child_iblock->block_off + hdr->man_dtable.row_block_off[old_sec_node->u.indirect.indir_row]
+ range_sec_node->sect_info.addr = child_iblock->block_off + hdr->man_dtable.row_block_off[old_sec_node->u.indirect.indir_row]
+ hdr->man_dtable.row_block_size[old_sec_node->u.indirect.indir_row];
- range_sec_node->sect_size = old_sec_node->sect_size;
- range_sec_node->type = H5HF_SECT_RANGE;
+ range_sec_node->sect_info.size = old_sec_node->sect_info.size;
+ range_sec_node->sect_info.cls = &hdr->sect_cls[H5FS_SECT_FHEAP_RANGE];
+ range_sec_node->sect_info.state = H5FS_SECT_LIVE;
range_sec_node->u.range.iblock = child_iblock;
if(H5HF_iblock_incr(child_iblock) < 0)
HGOTO_ERROR(H5E_HEAP, H5E_CANTINC, FAIL, "can't increment reference count on shared indirect block")
@@ -1278,7 +1433,7 @@ HDfprintf(stderr, "%s: old_sec_node->sect_addr = %a\n", FUNC, old_sec_node->sect
range_sec_node->u.range.num_entries = hdr->man_dtable.cparam.width - 1;
/* Add new free space to the global list of space */
- if(H5HF_flist_add(hdr->flist, range_sec_node, &range_sec_node->sect_size, &range_sec_node->sect_addr) < 0)
+ if(H5HF_space_add(hdr, dxpl_id, range_sec_node) < 0)
HGOTO_ERROR(H5E_HEAP, H5E_CANTINIT, FAIL, "can't add indirect block free space to global list")
@@ -1295,20 +1450,20 @@ HDfprintf(stderr, "%s: old_sec_node->sect_addr = %a\n", FUNC, old_sec_node->sect
} /* end if */
else {
/* Adjust section information */
- old_sec_node->sect_addr += hdr->man_dtable.row_block_size[old_sec_node->u.indirect.row];
+ old_sec_node->sect_info.addr += hdr->man_dtable.row_block_size[old_sec_node->u.indirect.row];
/* Adjust range information */
old_sec_node->u.indirect.col++;
old_sec_node->u.indirect.num_entries--;
/* Add section back to free space list */
- if(H5HF_flist_add(hdr->flist, old_sec_node, &old_sec_node->sect_size, &old_sec_node->sect_addr) < 0)
+ if(H5HF_space_add(hdr, dxpl_id, old_sec_node) < 0)
HGOTO_ERROR(H5E_HEAP, H5E_CANTINIT, FAIL, "can't add indirect block free space to global list")
} /* end else */
/* Release the child indirect block (marked as dirty) */
if(H5AC_unprotect(hdr->f, dxpl_id, H5AC_FHEAP_IBLOCK, child_iblock_addr, child_iblock, H5AC__DIRTIED_FLAG) < 0)
- HDONE_ERROR(H5E_HEAP, H5E_CANTUNPROTECT, FAIL, "unable to release fractal heap indirect block")
+ HGOTO_ERROR(H5E_HEAP, H5E_CANTUNPROTECT, FAIL, "unable to release fractal heap indirect block")
/* Point 'sec_node' at new direct block section node */
*sec_node = dblock_sec_node;
@@ -1319,117 +1474,6 @@ done:
/*-------------------------------------------------------------------------
- * Function: H5HF_man_iblock_alloc_opaque
- *
- * Purpose: Break up an opaque section into component sections
- *
- * Return: Non-negative on success/Negative on failure
- *
- * Programmer: Quincey Koziol
- * koziol@ncsa.uiuc.edu
- * Apr 25 2006
- *
- *-------------------------------------------------------------------------
- */
-herr_t
-H5HF_man_iblock_alloc_opaque(H5HF_hdr_t *hdr, hid_t dxpl_id,
- H5HF_free_section_t **sec_node)
-{
- H5HF_indirect_t *iblock; /* Pointer to indirect block */
- H5HF_free_section_t *old_sec_node = *sec_node; /* Pointer to old section node */
- haddr_t child_addr; /* Child block's address */
- unsigned entry; /* Entry of child block for section */
- unsigned row; /* Row of child block for section */
- herr_t ret_value = SUCCEED; /* Return value */
-
- FUNC_ENTER_NOAPI_NOINIT(H5HF_man_iblock_alloc_opaque)
-
- /*
- * Check arguments.
- */
- HDassert(hdr);
- HDassert(sec_node && *sec_node);
-
- /* Get a pointer to the indirect block covering the section */
- iblock = old_sec_node->u.opaque.iblock;
- HDassert(iblock);
-
- /* Compute info about child block */
- entry = old_sec_node->u.opaque.entry;
- row = entry / hdr->man_dtable.cparam.width;
- child_addr = iblock->ents[entry].addr;
-
- /* Check if this section's child block is direct or indirect */
- if(row < hdr->man_dtable.max_direct_rows) {
- H5HF_direct_t *child_dblock; /* Direct child block */
- size_t dblock_size; /* Direct block's size */
-
- /* Compute direct block info */
- dblock_size = hdr->man_dtable.row_block_size[row];
-
- /* Check whether direct block exists yet */
- if(H5F_addr_defined(child_addr)) {
- /* Lock child direct block */
- /* (also parses it's free space sections) */
- if(NULL == (child_dblock = H5HF_man_dblock_protect(hdr, dxpl_id, child_addr, dblock_size, iblock, entry, H5AC_WRITE)))
- HGOTO_ERROR(H5E_HEAP, H5E_CANTPROTECT, FAIL, "unable to protect fractal heap direct block")
-
- /* Unlock child direct block */
- if(H5AC_unprotect(hdr->f, dxpl_id, H5AC_FHEAP_DBLOCK, child_addr, child_dblock, H5AC__NO_FLAGS_SET) < 0)
- HDONE_ERROR(H5E_HEAP, H5E_CANTUNPROTECT, FAIL, "unable to release fractal heap direct block")
- } /* end if */
- else {
- haddr_t dblock_addr; /* Address of direct block created */
-
- /* Create direct block of appropriate size */
- if(H5HF_man_dblock_create(dxpl_id, hdr, iblock, entry, dblock_size, (hsize_t)old_sec_node->sect_addr, &dblock_addr, NULL) < 0)
- HGOTO_ERROR(H5E_HEAP, H5E_CANTALLOC, FAIL, "can't allocate fractal heap direct block")
-
- /* Hook direct block up to indirect block */
- iblock->ents[entry].addr = dblock_addr;
-
- /* Mark indirect block as dirty */
- if(H5HF_iblock_dirty(iblock) < 0)
- HGOTO_ERROR(H5E_HEAP, H5E_CANTDIRTY, FAIL, "can't mark indirect block as dirty")
- } /* end else */
- } /* end if */
- else {
- H5HF_indirect_t *child_iblock; /* Indirect child block */
- size_t iblock_nrows; /* Indirect block's size */
-
- /* Compute indirect block info */
- iblock_nrows = (H5V_log2_gen(hdr->man_dtable.row_block_size[row]) - hdr->man_dtable.first_row_bits) + 1;
-
- /* Check whether direct block exists yet */
- if(H5F_addr_defined(child_addr)) {
- /* Lock child indirect block */
- /* (also parses it's free space sections) */
- if(NULL == (child_iblock = H5HF_man_iblock_protect(hdr, dxpl_id, child_addr, iblock_nrows, iblock, entry, H5AC_WRITE)))
- HGOTO_ERROR(H5E_HEAP, H5E_CANTPROTECT, FAIL, "unable to protect fractal heap indirect block")
-
- /* Release the child indirect block */
- if(H5AC_unprotect(hdr->f, dxpl_id, H5AC_FHEAP_IBLOCK, child_addr, child_iblock, H5AC__NO_FLAGS_SET) < 0)
- HDONE_ERROR(H5E_HEAP, H5E_CANTUNPROTECT, FAIL, "unable to release fractal heap indirect block")
- } /* end if */
- else {
-HDfprintf(stderr, "%s: Creating indirect block from opaque section not supported\n", FUNC);
-HGOTO_ERROR(H5E_HEAP, H5E_UNSUPPORTED, FAIL, "Creating indirect block from opaque section not supported yet")
- } /* end else */
- } /* end else */
-
- /* Drop reference count on indirect block that free section is in */
- if(H5HF_iblock_decr(iblock) < 0)
- HGOTO_ERROR(H5E_HEAP, H5E_CANTDEC, FAIL, "can't decrement reference count on shared indirect block")
-
- /* Free section structure */
- H5FL_FREE(H5HF_free_section_t, old_sec_node);
-
-done:
- FUNC_LEAVE_NOAPI(ret_value)
-} /* end H5HF_man_iblock_alloc_opaque() */
-
-
-/*-------------------------------------------------------------------------
* Function: H5HF_man_iblock_create
*
* Purpose: Allocate & initialize a managed indirect block
@@ -1447,8 +1491,7 @@ H5HF_man_iblock_create(H5HF_hdr_t *hdr, hid_t dxpl_id,
hsize_t block_off, unsigned nrows, unsigned max_rows, haddr_t *addr_p)
{
H5HF_indirect_t *iblock = NULL; /* Pointer to indirect block */
- size_t curr_row; /* Current row within indirect block */
- size_t u, v; /* Local index variable */
+ size_t u; /* Local index variable */
herr_t ret_value = SUCCEED; /* Return value */
FUNC_ENTER_NOAPI_NOINIT(H5HF_man_iblock_create)
@@ -1485,7 +1528,6 @@ HDfprintf(stderr, "%s: nrows = %u, max_nrows = %u\n", FUNC, nrows, max_nrows);
iblock->nrows = nrows;
iblock->max_rows = max_rows;
iblock->dirty = TRUE;
- iblock->fl_gen = hdr->fl_gen; /* New blocks have their free list generation set up correctly */
/* Compute size of buffer needed for indirect block */
iblock->size = H5HF_MAN_INDIRECT_SIZE(hdr, iblock);
@@ -1495,16 +1537,8 @@ HDfprintf(stderr, "%s: nrows = %u, max_nrows = %u\n", FUNC, nrows, max_nrows);
HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, FAIL, "memory allocation failed for block entries")
/* Initialize indirect block entry tables */
- curr_row = 0;
- iblock->child_free_space = 0;
- for(u = 0; u < (iblock->nrows * hdr->man_dtable.cparam.width); /* u advanced in inner loop */) {
- for(v = 0; v < hdr->man_dtable.cparam.width; v++, u++) {
- iblock->ents[u].addr = HADDR_UNDEF;
- iblock->ents[u].free_space = hdr->man_dtable.row_dblock_free[curr_row];
- iblock->child_free_space += iblock->ents[u].free_space;
- } /* end for */
- curr_row++;
- } /* end for */
+ for(u = 0; u < (iblock->nrows * hdr->man_dtable.cparam.width); u++)
+ iblock->ents[u].addr = HADDR_UNDEF;
/* Allocate space for the indirect block on disk */
if(HADDR_UNDEF == (*addr_p = H5MF_alloc(hdr->f, H5FD_MEM_FHEAP_IBLOCK, dxpl_id, (hsize_t)iblock->size)))
@@ -1527,86 +1561,6 @@ done:
/*-------------------------------------------------------------------------
- * Function: H5HF_man_iblock_build_sections
- *
- * Purpose: Build free space sections for child blocks of an indirect block
- *
- * Return: SUCCEED/FAIL
- *
- * Programmer: Quincey Koziol
- * koziol@ncsa.uiuc.edu
- * Apr 25 2006
- *
- *-------------------------------------------------------------------------
- */
-static herr_t
-H5HF_man_iblock_build_sections(H5HF_indirect_t *iblock)
-{
- H5HF_free_section_t *sec_node; /* Pointer to free list section for block */
- H5HF_hdr_t *hdr; /* Heap header info */
- haddr_t curr_off; /* Offset of child block in heap */
- unsigned row, col; /* Current row & column being operated on */
- unsigned entry; /* Currenty entry being worked on */
- herr_t ret_value = SUCCEED; /* Return value */
-
- FUNC_ENTER_NOAPI_NOINIT(H5HF_man_iblock_build_sections)
-
- /*
- * Check arguments.
- */
- HDassert(iblock);
-
- /* Get the heap header pointer (for convenience) */
- hdr = iblock->hdr;
-
- /* Set starting offset in heap */
- curr_off = iblock->block_off;
-
- /* Create a free space section for each child block of indirect block */
- entry = 0;
-#ifdef QAK
-HDfprintf(stderr, "%s: hdr->man_alloc_size = %Hu\n", FUNC, hdr->man_alloc_size);
-#endif /* QAK */
- for(row = 0; row < iblock->nrows; row++) {
- for(col = 0; col < hdr->man_dtable.cparam.width; col++) {
-#ifdef QAK
-HDfprintf(stderr, "%s: curr_off = %a\n", FUNC, curr_off);
-#endif /* QAK */
- /* Only create free space sections for blocks within the allocated size of the heap */
- if(curr_off >= hdr->man_alloc_size)
- break;
-
- /* Allocate section node */
- if(NULL == (sec_node = H5FL_MALLOC(H5HF_free_section_t)))
- HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, FAIL, "memory allocation failed for direct block free list section")
-
- /* Set section's information */
- sec_node->sect_addr = curr_off;
- sec_node->sect_size = iblock->ents[entry].free_space;
- sec_node->type = H5HF_SECT_OPAQUE;
- sec_node->u.opaque.iblock = iblock;
- sec_node->u.opaque.entry = entry;
-
- /* Increment reference count on indirect block */
- if(H5HF_iblock_incr(iblock) < 0)
- HGOTO_ERROR(H5E_HEAP, H5E_CANTINC, FAIL, "can't increment reference count on shared indirect block")
-
- /* Add section to free list */
- if(H5HF_flist_add(hdr->flist, sec_node, &sec_node->sect_size, &sec_node->sect_addr) < 0)
- HGOTO_ERROR(H5E_HEAP, H5E_CANTINIT, FAIL, "can't add free space section to global list")
-
- /* Advance state */
- curr_off += hdr->man_dtable.row_block_size[row];
- entry++;
- } /* end for */
- } /* end for */
-
-done:
- FUNC_LEAVE_NOAPI(ret_value)
-} /* end H5HF_man_iblock_build_sections() */
-
-
-/*-------------------------------------------------------------------------
* Function: H5HF_man_iblock_protect
*
* Purpose: Convenience wrapper around H5AC_protect on a indirect block
@@ -1650,17 +1604,6 @@ HDfprintf(stderr, "%s: iblock_addr = %a, iblock_nrows = %u\n", FUNC, iblock_addr
if(NULL == (iblock = H5AC_protect(hdr->f, dxpl_id, H5AC_FHEAP_IBLOCK, iblock_addr, &iblock_nrows, &par_info, rw)))
HGOTO_ERROR(H5E_HEAP, H5E_CANTPROTECT, NULL, "unable to protect fractal heap indirect block")
- /* Regenerate the free list information for this block, if necessary */
- /* (Only create free list information if write access is requested) */
- if(rw == H5AC_WRITE && hdr->fl_gen != iblock->fl_gen) {
- /* Build the free list sections for the block */
- if(H5HF_man_iblock_build_sections(iblock) < 0)
- HGOTO_ERROR(H5E_HEAP, H5E_CANTDECODE, NULL, "can't build free space sections for block")
-
- /* Mark the block's free list generation as up to date now */
- iblock->fl_gen = hdr->fl_gen;
- } /* end if */
-
/* Set the return value */
ret_value = iblock;
diff --git a/src/H5HFint.c b/src/H5HFint.c
index e8b380d..5b49c6d 100644
--- a/src/H5HFint.c
+++ b/src/H5HFint.c
@@ -57,16 +57,12 @@
/********************/
/* Local Prototypes */
/********************/
-static herr_t H5HF_man_start_freelist(H5HF_hdr_t *hdr, hid_t dxpl_id);
/*********************/
/* Package Variables */
/*********************/
-/* Declare a free list to manage the H5HF_free_section_t struct */
-H5FL_DEFINE(H5HF_free_section_t);
-
/*****************************/
/* Library Private Variables */
@@ -80,146 +76,122 @@ H5FL_DEFINE(H5HF_free_section_t);
/*-------------------------------------------------------------------------
- * Function: H5HF_free_section_free_cb
- *
- * Purpose: Free a free section node
- *
- * Return: Success: non-negative
- *
- * Failure: negative
- *
- * Programmer: Quincey Koziol
- * Monday, March 13, 2006
- *
- *-------------------------------------------------------------------------
- */
-herr_t
-H5HF_free_section_free_cb(void *_sect, void UNUSED *key, void UNUSED *op_data)
-{
- H5HF_free_section_t *sect = (H5HF_free_section_t *)_sect;
- H5HF_indirect_t *iblock = NULL; /* Indirect block referenced */
- herr_t ret_value = 0; /* Return value */
-
- FUNC_ENTER_NOAPI_NOINIT(H5HF_free_section_free_cb)
-
- HDassert(sect);
-
- /* Find indirect block that free section references */
- switch(sect->type) {
- case H5HF_SECT_SINGLE:
- iblock = sect->u.single.parent;
- break;
-
- case H5HF_SECT_OPAQUE:
- iblock = sect->u.opaque.iblock;
- break;
-
- case H5HF_SECT_RANGE:
- iblock = sect->u.range.iblock;
- break;
-
- case H5HF_SECT_INDIRECT:
- iblock = sect->u.indirect.iblock;
- break;
- } /* end switch */
-
- /* Release indirect block, if there was one */
- if(iblock)
- if(H5HF_iblock_decr(iblock) < 0)
- HGOTO_ERROR(H5E_HEAP, H5E_CANTDEC, FAIL, "can't decrement reference count on shared indirect block")
-
- /* Release the sections */
- H5FL_FREE(H5HF_free_section_t, sect);
-
-done:
- FUNC_LEAVE_NOAPI(ret_value)
-} /* H5HF_free_section_free_cb() */
-
-
-/*-------------------------------------------------------------------------
- * Function: H5HF_man_start_freelist
+ * Function: H5HF_man_locate_block
*
- * Purpose: Start free list for existing heap, by bringing in root direct
- * or indirect block and it's free space sections.
+ * Purpose: Locate a block in a managed heap
*
* Return: SUCCEED/FAIL
*
* Programmer: Quincey Koziol
* koziol@ncsa.uiuc.edu
- * Apr 25 2006
+ * May 8 2006
*
*-------------------------------------------------------------------------
*/
-static herr_t
-H5HF_man_start_freelist(H5HF_hdr_t *hdr, hid_t dxpl_id)
+herr_t
+H5HF_man_locate_block(H5HF_hdr_t *hdr, hid_t dxpl_id, hsize_t obj_off,
+ hbool_t locate_indirect,
+ H5HF_indirect_t **ret_iblock, unsigned *ret_entry,
+ H5AC_protect_t rw)
{
- herr_t ret_value = SUCCEED; /* Return value */
-
- FUNC_ENTER_NOAPI_NOINIT(H5HF_man_start_freelist)
+ haddr_t iblock_addr; /* Indirect block's address */
+ H5HF_indirect_t *iblock; /* Pointer to indirect block */
+ unsigned bot_row, top_row; /* Bottom & top acceptable rows */
+ unsigned row, col; /* Row & column for object's block */
+ size_t entry; /* Entry of block */
+ herr_t ret_value = SUCCEED; /* Return value */
+
+ FUNC_ENTER_NOAPI_NOINIT(H5HF_man_locate_block)
+#ifdef QAK
+HDfprintf(stderr, "%s: obj_off = %Hu\n", FUNC, obj_off);
+#endif /* QAK */
/*
* Check arguments.
*/
HDassert(hdr);
+ HDassert(hdr->man_dtable.curr_root_rows); /* Only works for heaps with indirect root block */
- /* Check for empty heap */
- if(!H5F_addr_defined(hdr->man_dtable.table_addr)) {
+ /* Set up target bottom & top rows */
+ if(locate_indirect) {
+ bot_row = hdr->man_dtable.max_direct_rows;
+ top_row = hdr->man_dtable.max_direct_rows + (H5V_log2_of2(hdr->man_dtable.cparam.width) + 1);
+ } /* end if */
+ else {
+ bot_row = 0;
+ top_row = hdr->man_dtable.max_direct_rows;
+ } /* end else */
#ifdef QAK
-HDfprintf(stderr, "%s: Empty heap to [not] start\n", FUNC);
+HDfprintf(stderr, "%s: bot_row = %u, top_row = %u\n", FUNC, bot_row, top_row);
#endif /* QAK */
- /* Nothing to do */
- ;
- } /* end if */
- /* Check for root direct block */
- else if(hdr->man_dtable.curr_root_rows == 0) {
- H5HF_direct_t *dblock; /* Pointer to direct block to query */
- haddr_t dblock_addr; /* Direct block address */
- size_t dblock_size; /* Direct block size */
+ /* Look up row & column for object */
+ if(H5HF_dtable_lookup(&hdr->man_dtable, obj_off, &row, &col) < 0)
+ HGOTO_ERROR(H5E_HEAP, H5E_CANTCOMPUTE, FAIL, "can't compute row & column of object")
#ifdef QAK
-HDfprintf(stderr, "%s: Root direct block to start\n", FUNC);
+HDfprintf(stderr, "%s: row = %u, col = %u\n", FUNC, row, col);
#endif /* QAK */
- /* Bring root direct block into memory */
- /* (which will parse it's free list) */
- /* (Could create an "opaque" section for it, but it doesn't seem worthwhile) */
- dblock_addr = hdr->man_dtable.table_addr;
- dblock_size = hdr->man_dtable.cparam.start_block_size;
- if(NULL == (dblock = H5HF_man_dblock_protect(hdr, dxpl_id, dblock_addr, dblock_size, NULL, 0, H5AC_WRITE)))
- HGOTO_ERROR(H5E_HEAP, H5E_CANTPROTECT, FAIL, "unable to protect fractal heap direct block")
- /* Unlock direct block */
- if(H5AC_unprotect(hdr->f, dxpl_id, H5AC_FHEAP_DBLOCK, dblock_addr, dblock, H5AC__NO_FLAGS_SET) < 0)
- HDONE_ERROR(H5E_HEAP, H5E_CANTUNPROTECT, FAIL, "unable to release fractal heap direct block")
- dblock = NULL;
- } /* end if */
- /* Must be a root indirect block */
- else {
- H5HF_indirect_t *iblock; /* Pointer to root indirect block to query */
- haddr_t iblock_addr; /* Indirect block's address */
+ /* Set initial indirect block info */
+ iblock_addr = hdr->man_dtable.table_addr;
+#ifdef QAK
+HDfprintf(stderr, "%s: iblock_addr = %a\n", FUNC, iblock_addr);
+#endif /* QAK */
+
+ /* Lock root indirect block */
+ if(NULL == (iblock = H5HF_man_iblock_protect(hdr, dxpl_id, iblock_addr, hdr->man_dtable.curr_root_rows, NULL, 0, rw)))
+ HGOTO_ERROR(H5E_HEAP, H5E_CANTPROTECT, FAIL, "unable to protect fractal heap indirect block")
+ /* Check for indirect block row */
+ while(row < bot_row || row >= top_row) {
+ haddr_t new_iblock_addr; /* New indirect block's address */
+ H5HF_indirect_t *new_iblock; /* Pointer to new indirect block */
+ unsigned nrows; /* Number of rows in new indirect block */
+
+ /* Compute # of rows in child indirect block */
+ nrows = (H5V_log2_gen(hdr->man_dtable.row_block_size[row]) - hdr->man_dtable.first_row_bits) + 1;
+
+ /* Compute indirect block's entry */
+ entry = (row * hdr->man_dtable.cparam.width) + col;
#ifdef QAK
-HDfprintf(stderr, "%s: Root indirect block to start\n", FUNC);
+HDfprintf(stderr, "%s: entry = %Zu\n", FUNC, entry);
#endif /* QAK */
- /* Get indirect block info */
- iblock_addr = hdr->man_dtable.table_addr;
- /* Lock root indirect block */
- /* (which will parse it's free space) */
- if(NULL == (iblock = H5HF_man_iblock_protect(hdr, dxpl_id, iblock_addr, hdr->man_dtable.curr_root_rows, NULL, 0, H5AC_WRITE)))
+ /* Locate child indirect block */
+ new_iblock_addr = iblock->ents[entry].addr;
+
+ /* Lock new indirect block */
+ if(NULL == (new_iblock = H5HF_man_iblock_protect(hdr, dxpl_id, new_iblock_addr, nrows, iblock, entry, rw)))
HGOTO_ERROR(H5E_HEAP, H5E_CANTPROTECT, FAIL, "unable to protect fractal heap indirect block")
- /* Release the root indirect block */
+ /* Release the current indirect block */
if(H5AC_unprotect(hdr->f, dxpl_id, H5AC_FHEAP_IBLOCK, iblock_addr, iblock, H5AC__NO_FLAGS_SET) < 0)
- HDONE_ERROR(H5E_HEAP, H5E_CANTUNPROTECT, FAIL, "unable to release fractal heap indirect block")
- iblock = NULL;
- } /* end else */
+ HGOTO_ERROR(H5E_HEAP, H5E_CANTUNPROTECT, FAIL, "unable to release fractal heap indirect block")
+
+ /* Switch variables to use new indirect block */
+ iblock = new_iblock;
+ iblock_addr = new_iblock_addr;
+#ifdef QAK
+HDfprintf(stderr, "%s: iblock_addr = %a\n", FUNC, iblock_addr);
+HDfprintf(stderr, "%s: iblock->block_off = %Hu\n", FUNC, iblock->block_off);
+#endif /* QAK */
+
+ /* Look up row & column in new indirect block for object */
+ if(H5HF_dtable_lookup(&hdr->man_dtable, (obj_off - iblock->block_off), &row, &col) < 0)
+ HGOTO_ERROR(H5E_HEAP, H5E_CANTCOMPUTE, FAIL, "can't compute row & column of object")
+
+#ifdef QAK
+HDfprintf(stderr, "%s: row = %u, col = %u\n", FUNC, row, col);
+#endif /* QAK */
+ } /* end while */
- /* Mark heap as being in sync now */
- hdr->freelist_sync = TRUE;
+ /* Set return parameters */
+ *ret_entry = (row * hdr->man_dtable.cparam.width) + col;
+ *ret_iblock = iblock;
done:
FUNC_LEAVE_NOAPI(ret_value)
-} /* end H5HF_man_start_freelist() */
+} /* end H5HF_man_locate_block() */
/*-------------------------------------------------------------------------
@@ -241,7 +213,6 @@ H5HF_man_find(H5HF_hdr_t *hdr, hid_t dxpl_id, size_t request,
H5HF_free_section_t **sec_node/*out*/)
{
htri_t node_found; /* Whether an existing free list node was found */
- hbool_t search_again; /* Whether to search again for another free section */
herr_t ret_value = SUCCEED; /* Return value */
FUNC_ENTER_NOAPI_NOINIT(H5HF_man_find)
@@ -256,45 +227,9 @@ HDfprintf(stderr, "%s: request = %Zu\n", FUNC, request);
HDassert(request > 0);
HDassert(sec_node);
- /* Search for free space in the globel free list, until a non-opaque node is found */
- do {
- /* Done searching, unless opaque node found */
- search_again = FALSE;
-
- /* Look for free space in global free list */
- if((node_found = H5HF_flist_find(hdr->flist, request, (void **)sec_node)) < 0)
- HGOTO_ERROR(H5E_HEAP, H5E_CANTALLOC, FAIL, "can't locate free space in fractal heap direct block")
-
- /* Check for opaque section */
- if(node_found) {
- if((*sec_node)->type == H5HF_SECT_OPAQUE) {
- /* Break opaque section down into component sections */
- if(H5HF_man_iblock_alloc_opaque(hdr, dxpl_id, sec_node) < 0)
- HGOTO_ERROR(H5E_HEAP, H5E_CANTALLOC, FAIL, "can't break up opaque free section")
-
- /* Search again */
- search_again = TRUE;
- } /* end if */
- } /* end if */
- /* If we didn't find a node, check if we've looked in all the direct blocks in the heap for space */
- else {
-#ifdef QAK
-HDfprintf(stderr, "%s: hdr->freelist_sync = %u\n", FUNC, (unsigned)hdr->freelist_sync);
-#endif /* QAK */
- if(!hdr->freelist_sync) {
-#ifdef QAK
-HDfprintf(stderr, "%s: Start free list for existing blocks in heap\n", FUNC);
-#endif /* QAK */
- /* Start freelist for existing heap */
- if(H5HF_man_start_freelist(hdr, dxpl_id) < 0)
- HGOTO_ERROR(H5E_HEAP, H5E_CANTCREATE, FAIL, "can't start fractal heap free list")
-
- /* Search again */
- search_again = TRUE;
- } /* end if */
- } /* end else */
- } while(search_again);
-
+ /* Look for free space */
+ if((node_found = H5HF_space_find(hdr, dxpl_id, (hsize_t)request, sec_node)) < 0)
+ HGOTO_ERROR(H5E_HEAP, H5E_CANTALLOC, FAIL, "can't locate free space in fractal heap")
/* If we didn't find a node, go make one big enough to hold the requested block */
if(!node_found) {
@@ -305,10 +240,10 @@ HDfprintf(stderr, "%s: Allocate new direct block\n", FUNC);
if(H5HF_man_dblock_new(hdr, dxpl_id, request) < 0)
HGOTO_ERROR(H5E_HEAP, H5E_CANTCREATE, FAIL, "can't create fractal heap direct block")
- /* Request space from the free list */
+ /* Request space from the free space */
/* (Ought to be able to be filled, now) */
- if(H5HF_flist_find(hdr->flist, request, (void **)sec_node) <= 0)
- HGOTO_ERROR(H5E_HEAP, H5E_CANTALLOC, FAIL, "can't locate free space in fractal heap direct block")
+ if(H5HF_space_find(hdr, dxpl_id, (hsize_t)request, sec_node) <= 0)
+ HGOTO_ERROR(H5E_HEAP, H5E_CANTALLOC, FAIL, "can't locate free space in fractal heap")
} /* end if */
HDassert(*sec_node);
#ifdef QAK
@@ -354,12 +289,12 @@ H5HF_man_insert(H5HF_hdr_t *hdr, hid_t dxpl_id, H5HF_free_section_t *sec_node,
HDassert(id);
/* Check for indirect section */
- if(sec_node->type == H5HF_SECT_INDIRECT) {
+ if(sec_node->sect_info.cls->type == H5FS_SECT_FHEAP_INDIRECT) {
#ifdef QAK
-HDfprintf(stderr, "%s: sec_node->sect_addr = %a\n", FUNC, sec_node->sect_addr);
-HDfprintf(stderr, "%s: sec_node->sect_size = %Zu\n", FUNC, sec_node->sect_size);
+HDfprintf(stderr, "%s: sec_node->sect_info.addr = %a\n", FUNC, sec_node->sect_info.addr);
+HDfprintf(stderr, "%s: sec_node->sect_info.size = %Zu\n", FUNC, sec_node->sect_info.size);
HDfprintf(stderr, "%s: sec_node->u.indirect.iblock = %p\n", FUNC, sec_node->u.indirect.iblock);
-if(sec_node->u.indirect.iblock)
+if(sec_node->sect_info.state == H5FS_SECT_LIVE && sec_node->u.indirect.iblock)
HDfprintf(stderr, "%s: sec_node->u.indirect.iblock->addr = %a\n", FUNC, sec_node->u.indirect.iblock->addr);
HDfprintf(stderr, "%s: sec_node->u.indirect.row = %u\n", FUNC, sec_node->u.indirect.row);
HDfprintf(stderr, "%s: sec_node->u.indirect.col = %u\n", FUNC, sec_node->u.indirect.col);
@@ -373,12 +308,12 @@ HDfprintf(stderr, "%s: sec_node->u.indirect.indir_nrows = %u\n", FUNC, sec_node-
HGOTO_ERROR(H5E_HEAP, H5E_CANTALLOC, FAIL, "can't break up indirect free section")
} /* end if */
/* Check for range section */
- else if(sec_node->type == H5HF_SECT_RANGE) {
+ else if(sec_node->sect_info.cls->type == H5FS_SECT_FHEAP_RANGE) {
#ifdef QAK
-HDfprintf(stderr, "%s: sec_node->sect_addr = %a\n", FUNC, sec_node->sect_addr);
-HDfprintf(stderr, "%s: sec_node->sect_size = %Zu\n", FUNC, sec_node->sect_size);
+HDfprintf(stderr, "%s: sec_node->sect_info.addr = %a\n", FUNC, sec_node->sect_info.addr);
+HDfprintf(stderr, "%s: sec_node->sect_info.size = %Zu\n", FUNC, sec_node->sect_info.size);
HDfprintf(stderr, "%s: sec_node->u.range.iblock = %p\n", FUNC, sec_node->u.range.iblock);
-if(sec_node->u.range.iblock)
+if(sec_node->sect_info.state == H5FS_SECT_LIVE && sec_node->u.range.iblock)
HDfprintf(stderr, "%s: sec_node->u.range.iblock->addr = %a\n", FUNC, sec_node->u.range.iblock->addr);
HDfprintf(stderr, "%s: sec_node->u.range.row = %u\n", FUNC, sec_node->u.range.row);
HDfprintf(stderr, "%s: sec_node->u.range.col = %u\n", FUNC, sec_node->u.range.col);
@@ -388,6 +323,14 @@ HDfprintf(stderr, "%s: sec_node->u.range.num_entries = %u\n", FUNC, sec_node->u.
if(H5HF_man_iblock_alloc_range(hdr, dxpl_id, &sec_node) < 0)
HGOTO_ERROR(H5E_HEAP, H5E_CANTALLOC, FAIL, "can't break up range free section")
} /* end if */
+ HDassert(sec_node->sect_info.cls->type == H5FS_SECT_FHEAP_SINGLE);
+
+ /* Check for serialized 'single' section */
+ if(sec_node->sect_info.state == H5FS_SECT_SERIALIZED) {
+ if(H5HF_man_iblock_alloc_single(hdr, dxpl_id, sec_node) < 0)
+ HGOTO_ERROR(H5E_HEAP, H5E_CANTINIT, FAIL, "can't initialize direct block for single free section")
+ } /* end if */
+ HDassert(sec_node->sect_info.state == H5FS_SECT_LIVE);
/* Lock direct block */
#ifdef QAK
@@ -408,71 +351,23 @@ HDfprintf(stderr, "%s: sec_node->u.single.dblock_size = %Zu\n", FUNC, sec_node->
/* Check for address mapping type */
if(hdr->addrmap == H5HF_ABSOLUTE) {
- H5HF_direct_free_node_t *node; /* Block's free list node */
uint8_t *p; /* Temporary pointer to obj info in block */
- size_t obj_off; /* Offset of object within block */
- size_t full_obj_size; /* Size of object including metadata */
- size_t alloc_obj_size; /* Size of object including metadata & any free space fragment */
- size_t free_obj_size; /* Size of space to free for object */
- hbool_t whole_node = FALSE; /* Whether we've used the whole node or not */
- unsigned char free_frag_size; /* Size of free space fragment */
-
- /* Locate "local" free list node for section */
-/* XXX: Change to using skip list? */
- obj_off = sec_node->sect_addr - dblock->block_off;
- node = dblock->free_list->first;
- while(node->my_offset != obj_off)
- node = node->next;
-
- /* Compute full object size, with metadata for object */
- full_obj_size = obj_size + H5HF_MAN_ABS_DIRECT_OBJ_PREFIX_LEN(hdr);
+ size_t blk_off; /* Offset of object within block */
+
+ /* Set the offset of the object within the block */
+ blk_off = sec_node->sect_info.addr - dblock->block_off;
/* Sanity checks */
#ifdef QAK
HDfprintf(stderr, "%s: hdr->total_man_free = %Hu\n", FUNC, hdr->total_man_free);
-HDfprintf(stderr, "%s: dblock->blk_free_space = %Zu\n", FUNC, dblock->blk_free_space);
HDfprintf(stderr, "%s: dblock->block_off = %Hu\n", FUNC, dblock->block_off);
#endif /* QAK */
- HDassert(dblock->blk_free_space >= obj_size);
- HDassert(dblock->free_list);
- HDassert(node->size >= full_obj_size);
+ HDassert(sec_node->sect_info.size >= obj_size);
- /* Check for using entire node */
- free_frag_size = 0;
#ifdef QAK
-HDfprintf(stderr, "%s: node->size = %Zu\n", FUNC, node->size);
+HDfprintf(stderr, "%s: sec_node->sect_info.size = %Zu\n", FUNC, sec_node->sect_info.size);
#endif /* QAK */
- if(node->size <= (full_obj_size + H5HF_MAN_ABS_DIRECT_FREE_NODE_SIZE(dblock))) {
- /* Set the offset of the object within the block */
- obj_off = node->my_offset;
-
- /* Check for allocating from first node in list */
- if(node->prev == NULL) {
- /* Make the next node in the free list the list head */
- dblock->free_list->first = node->next;
- dblock->free_list_head = node->next_offset;
- } /* end if */
- else {
- H5HF_direct_free_node_t *prev_node; /* Pointer to previous free list node for block */
-
- /* Excise node from list */
- prev_node = node->prev;
- prev_node->next = node->next;
- if(node->next) {
- H5HF_direct_free_node_t *next_node; /* Pointer to next free list node for block */
-
- next_node = node->next;
- next_node->prev = prev_node;
- prev_node->next_offset = next_node->my_offset;
- } /* end if */
- else
- prev_node->next_offset = 0;
- } /* end if */
-
- /* Set the free fragment size */
- free_frag_size = (unsigned char )(node->size - full_obj_size);
- whole_node = TRUE;
-
+ if(sec_node->sect_info.size == obj_size) {
/* Drop reference count on parent indirect block of direct block that free section is in */
HDassert(dblock->parent == NULL ||
sec_node->u.single.parent == NULL ||
@@ -481,73 +376,43 @@ HDfprintf(stderr, "%s: node->size = %Zu\n", FUNC, node->size);
if(H5HF_iblock_decr(sec_node->u.single.parent) < 0)
HGOTO_ERROR(H5E_HEAP, H5E_CANTDEC, FAIL, "can't decrement reference count on shared indirect block")
- /* Release the memory for the free list node & section */
- H5FL_FREE(H5HF_direct_free_node_t, node);
+ /* Release the memory for the free space section */
H5FL_FREE(H5HF_free_section_t, sec_node);
} /* end if */
else {
- /* Allocate object from end of free space node */
- /* (so we don't have to adjust with any other node's info */
- obj_off = (node->my_offset + node->size) - full_obj_size;
- node->size -= full_obj_size;
-
/* Adjust information for section node */
- sec_node->sect_size -= full_obj_size;
+ sec_node->sect_info.addr += obj_size;
+ sec_node->sect_info.size -= obj_size;
- /* Re-insert section node onto global list */
- if(H5HF_flist_add(hdr->flist, sec_node, &sec_node->sect_size, &sec_node->sect_addr) < 0)
- HGOTO_ERROR(H5E_HEAP, H5E_CANTINIT, FAIL, "can't add direct block free space to global list")
+ /* Re-insert section node into heap's free space */
+ if(H5HF_space_add(hdr, dxpl_id, sec_node) < 0)
+ HGOTO_ERROR(H5E_HEAP, H5E_CANTINIT, FAIL, "can't add direct block free space")
} /* end else */
- /* Mark free list as dirty */
- dblock->free_list->dirty = TRUE;
-
- /* Compute the size of the space to actually allocate */
- /* (includes the metadata for the object & the free space fragment) */
- alloc_obj_size = full_obj_size + free_frag_size;
-
- /* Compute the size of the free space to reduce */
- /* (does not include the object prefix if this object uses a whole node) */
- free_obj_size = obj_size + (whole_node ? free_frag_size : H5HF_MAN_ABS_DIRECT_OBJ_PREFIX_LEN(hdr));
-
#ifdef QAK
-HDfprintf(stderr, "%s: obj_off = %Zu\n", FUNC, obj_off);
-HDfprintf(stderr, "%s: free_frag_size = %Zu\n", FUNC, free_frag_size);
-HDfprintf(stderr, "%s: full_obj_size = %Zu\n", FUNC, full_obj_size);
-HDfprintf(stderr, "%s: alloc_obj_size = %Zu\n", FUNC, alloc_obj_size);
+HDfprintf(stderr, "%s: blk_off = %Zu\n", FUNC, blk_off);
#endif /* QAK */
- /* Reduce space available in parent block(s) */
- if(H5HF_man_dblock_adj_free(dblock, -(ssize_t)free_obj_size) < 0)
- HGOTO_ERROR(H5E_HEAP, H5E_CANTDEC, FAIL, "can't adjust free space for direct block & parents")
+ /* Reduce space available in heap */
+ if(H5HF_hdr_adj_free(hdr, -(ssize_t)obj_size) < 0)
+ HGOTO_ERROR(H5E_HEAP, H5E_CANTDEC, FAIL, "can't adjust free space for heap")
/* Encode the object in the block */
/* Point to location for object */
- p = dblock->blk + obj_off;
-
- /* Encode the free fragment size */
- *p++ = free_frag_size;
+ p = dblock->blk + blk_off;
/* Copy the object's data into the heap */
HDmemcpy(p, obj, obj_size);
p += obj_size;
-#ifdef H5_USING_PURIFY
- /* Zero out the free space fragment */
- HDmemset(p, 0, free_frag_size);
-#endif /* H5_USING_PURIFY */
-#ifndef NDEBUG
- p += free_frag_size;
-#endif /* NDEBUG */
-
/* Sanity check */
- HDassert((size_t)(p - (dblock->blk + obj_off)) == alloc_obj_size);
+ HDassert((size_t)(p - (dblock->blk + blk_off)) == obj_size);
/* Set the heap ID for the new object (heap offset & obj length) */
#ifdef QAK
HDfprintf(stderr, "%s: dblock->block_off = %Hu\n", FUNC, dblock->block_off);
#endif /* QAK */
- UINT64ENCODE_VAR(id, (dblock->block_off + obj_off), hdr->heap_off_size);
+ UINT64ENCODE_VAR(id, (dblock->block_off + blk_off), hdr->heap_off_size);
UINT64ENCODE_VAR(id, obj_size, hdr->id_len);
} /* end if */
else {
@@ -616,88 +481,27 @@ HDfprintf(stderr, "%s: obj_off = %Hu, obj_len = %Zu\n", FUNC, obj_off, obj_len);
HGOTO_ERROR(H5E_HEAP, H5E_CANTPROTECT, FAIL, "unable to protect fractal heap direct block")
} /* end if */
else {
- haddr_t iblock_addr; /* Indirect block's address */
H5HF_indirect_t *iblock; /* Pointer to indirect block */
- unsigned row, col; /* Row & column for object's block */
- size_t entry; /* Entry of block */
-
- /* Look up row & column for object */
- if(H5HF_dtable_lookup(&hdr->man_dtable, obj_off, &row, &col) < 0)
- HGOTO_ERROR(H5E_HEAP, H5E_CANTCOMPUTE, FAIL, "can't compute row & column of object")
-#ifdef QAK
-HDfprintf(stderr, "%s: row = %u, col = %u\n", FUNC, row, col);
-#endif /* QAK */
-
- /* Set initial indirect block info */
- iblock_addr = hdr->man_dtable.table_addr;
-#ifdef QAK
-HDfprintf(stderr, "%s: iblock_addr = %a\n", FUNC, iblock_addr);
-#endif /* QAK */
-
- /* Lock root indirect block */
- if(NULL == (iblock = H5HF_man_iblock_protect(hdr, dxpl_id, iblock_addr, hdr->man_dtable.curr_root_rows, NULL, 0, H5AC_READ)))
- HGOTO_ERROR(H5E_HEAP, H5E_CANTPROTECT, FAIL, "unable to protect fractal heap indirect block")
-
- /* Check for indirect block row */
- while(row >= hdr->man_dtable.max_direct_rows) {
- haddr_t new_iblock_addr; /* New indirect block's address */
- H5HF_indirect_t *new_iblock; /* Pointer to new indirect block */
- unsigned nrows; /* Number of rows in new indirect block */
-
- /* Compute # of rows in child indirect block */
- nrows = (H5V_log2_gen(hdr->man_dtable.row_block_size[row]) - hdr->man_dtable.first_row_bits) + 1;
-
- /* Compute indirect block's entry */
- entry = (row * hdr->man_dtable.cparam.width) + col;
-#ifdef QAK
-HDfprintf(stderr, "%s: entry = %Zu\n", FUNC, entry);
-#endif /* QAK */
-
- /* Locate child indirect block */
- new_iblock_addr = iblock->ents[entry].addr;
-
- /* Lock new indirect block */
- if(NULL == (new_iblock = H5HF_man_iblock_protect(hdr, dxpl_id, new_iblock_addr, nrows, iblock, entry, H5AC_READ)))
- HGOTO_ERROR(H5E_HEAP, H5E_CANTPROTECT, FAIL, "unable to protect fractal heap indirect block")
-
- /* Release the current indirect block */
- if(H5AC_unprotect(hdr->f, dxpl_id, H5AC_FHEAP_IBLOCK, iblock_addr, iblock, H5AC__NO_FLAGS_SET) < 0)
- HDONE_ERROR(H5E_HEAP, H5E_CANTUNPROTECT, FAIL, "unable to release fractal heap indirect block")
-
- /* Switch variables to use new indirect block */
- iblock = new_iblock;
- iblock_addr = new_iblock_addr;
-#ifdef QAK
-HDfprintf(stderr, "%s: iblock_addr = %a\n", FUNC, iblock_addr);
-HDfprintf(stderr, "%s: iblock->block_off = %Hu\n", FUNC, iblock->block_off);
-#endif /* QAK */
-
- /* Look up row & column in new indirect block for object */
- if(H5HF_dtable_lookup(&hdr->man_dtable, (obj_off - iblock->block_off), &row, &col) < 0)
- HGOTO_ERROR(H5E_HEAP, H5E_CANTCOMPUTE, FAIL, "can't compute row & column of object")
+ unsigned entry; /* Entry of block */
-#ifdef QAK
-HDfprintf(stderr, "%s: row = %u, col = %u\n", FUNC, row, col);
-#endif /* QAK */
- } /* end while */
-
- /* Compute direct block's entry */
- entry = (row * hdr->man_dtable.cparam.width) + col;
+ /* Look up indirect block containing direct block */
+ if(H5HF_man_locate_block(hdr, dxpl_id, obj_off, FALSE, &iblock, &entry, H5AC_READ) < 0)
+ HGOTO_ERROR(H5E_HEAP, H5E_CANTCOMPUTE, FAIL, "can't compute row & column of section")
#ifdef QAK
HDfprintf(stderr, "%s: entry address = %a\n", FUNC, iblock->ents[entry].addr);
#endif /* QAK */
/* Set direct block info */
dblock_addr = iblock->ents[entry].addr;
- dblock_size = hdr->man_dtable.row_block_size[row];
+ dblock_size = hdr->man_dtable.row_block_size[entry / hdr->man_dtable.cparam.width];
/* Lock direct block */
if(NULL == (dblock = H5HF_man_dblock_protect(hdr, dxpl_id, dblock_addr, dblock_size, iblock, entry, H5AC_READ)))
HGOTO_ERROR(H5E_HEAP, H5E_CANTPROTECT, FAIL, "unable to protect fractal heap direct block")
/* Unlock indirect block */
- if(H5AC_unprotect(hdr->f, dxpl_id, H5AC_FHEAP_IBLOCK, iblock_addr, iblock, H5AC__NO_FLAGS_SET) < 0)
- HDONE_ERROR(H5E_HEAP, H5E_CANTUNPROTECT, FAIL, "unable to release fractal heap indirect block")
+ if(H5AC_unprotect(hdr->f, dxpl_id, H5AC_FHEAP_IBLOCK, iblock->addr, iblock, H5AC__NO_FLAGS_SET) < 0)
+ HGOTO_ERROR(H5E_HEAP, H5E_CANTUNPROTECT, FAIL, "unable to release fractal heap indirect block")
iblock = NULL;
} /* end else */
#ifdef QAK
@@ -711,15 +515,12 @@ HDfprintf(stderr, "%s: dblock_addr = %a, dblock_size = %Zu\n", FUNC, dblock_addr
/* Point to location for object */
p = dblock->blk + blk_off;
- /* Skip over the free fragment size */
- p++;
-
/* Copy the object's data into the heap */
HDmemcpy(obj, p, obj_len);
/* Unlock direct block */
if(H5AC_unprotect(hdr->f, dxpl_id, H5AC_FHEAP_DBLOCK, dblock_addr, dblock, H5AC__NO_FLAGS_SET) < 0)
- HDONE_ERROR(H5E_HEAP, H5E_CANTUNPROTECT, FAIL, "unable to release fractal heap direct block")
+ HGOTO_ERROR(H5E_HEAP, H5E_CANTUNPROTECT, FAIL, "unable to release fractal heap direct block")
dblock = NULL;
done:
diff --git a/src/H5HFiter.c b/src/H5HFiter.c
index 90f2f14..31fd6c8 100644
--- a/src/H5HFiter.c
+++ b/src/H5HFiter.c
@@ -233,7 +233,7 @@ HDfprintf(stderr, "%s: biter->curr->entry = %u\n", FUNC, biter->curr->entry);
/* Release the current indirect block */
if(H5AC_unprotect(hdr->f, dxpl_id, H5AC_FHEAP_IBLOCK, iblock_addr, iblock, H5AC__NO_FLAGS_SET) < 0)
- HDONE_ERROR(H5E_HEAP, H5E_CANTUNPROTECT, FAIL, "unable to release fractal heap indirect block")
+ HGOTO_ERROR(H5E_HEAP, H5E_CANTUNPROTECT, FAIL, "unable to release fractal heap indirect block")
iblock = NULL;
/* See if the location falls in a direct block row */
diff --git a/src/H5HFpkg.h b/src/H5HFpkg.h
index af06770..96e5b57 100644
--- a/src/H5HFpkg.h
+++ b/src/H5HFpkg.h
@@ -33,7 +33,7 @@
/* Other private headers needed by this file */
#include "H5ACprivate.h" /* Metadata cache */
#include "H5FLprivate.h" /* Free Lists */
-#include "H5RCprivate.h" /* Reference counted object functions */
+#include "H5FSprivate.h" /* File free space */
#include "H5SLprivate.h" /* Skip lists */
/**************************/
@@ -77,6 +77,7 @@
+ 4 /* Min. size of standalone object */ \
+ (h)->sizeof_size /* Total man. free space */ \
+ (h)->sizeof_size /* Total std. free entries */ \
+ + (h)->sizeof_addr /* File address of free section header */ \
+ (h)->sizeof_size /* Total size of heap */ \
+ (h)->sizeof_size /* Size of man. space in heap */ \
+ (h)->sizeof_size /* Size of alloacted man. space in heap */ \
@@ -85,32 +86,14 @@
+ H5HF_DTABLE_INFO_SIZE(h) /* Size of managed obj. doubling-table info */ \
)
-/* Size of free space description in an absolute managed direct block */
-#define H5HF_MAN_ABS_DIRECT_FREE_NODE_SIZE(d) (2 * (d)->blk_off_size)
-
-/* Size of header for each object in an absolute managed direct block */
-#define H5HF_MAN_ABS_DIRECT_OBJ_PREFIX_LEN(h) ( \
- + 1 /* Free space fragment length */ \
- )
-
/* Size of overhead for a direct block */
-#define H5HF_MAN_ABS_DIRECT_OVERHEAD_SIZE(h, s) ( \
- /* General metadata fields */ \
- H5HF_METADATA_PREFIX_SIZE \
- \
- /* Fractal heap managed, absolutely mapped direct block specific fields */ \
- + (h)->sizeof_addr /* File address of heap owning the block */ \
- + (h)->heap_off_size /* Offset of the block in the heap */ \
- + H5HF_SIZEOF_OFFSET_LEN(s) /* Offset of first descriptor in free list */ \
- )
-#define H5HF_MAN_ABS_DIRECT_OVERHEAD_DBLOCK(h, d) ( \
+#define H5HF_MAN_ABS_DIRECT_OVERHEAD(h) ( \
/* General metadata fields */ \
H5HF_METADATA_PREFIX_SIZE \
\
/* Fractal heap managed, absolutely mapped direct block specific fields */ \
+ (h)->sizeof_addr /* File address of heap owning the block */ \
+ (h)->heap_off_size /* Offset of the block in the heap */ \
- + (d)->blk_off_size /* Offset of first descriptor in free list */ \
)
/* Size of managed indirect block (absolute & mapped) */
@@ -121,8 +104,8 @@
/* Fractal heap managed, absolutely mapped indirect block specific fields */ \
+ (h)->sizeof_addr /* File address of heap owning the block */ \
+ (h)->heap_off_size /* Offset of the block in the heap */ \
- + (MIN((i)->nrows, (h)->man_dtable.max_direct_rows) * (h)->man_dtable.cparam.width * ((h)->sizeof_addr + (h)->man_dtable.max_dir_blk_off_size)) /* Size of entries for direct blocks */ \
- + ((((i)->nrows > (h)->man_dtable.max_direct_rows) ? ((i)->nrows - (h)->man_dtable.max_direct_rows) : 0) * (h)->man_dtable.cparam.width * ((h)->sizeof_addr + (h)->heap_off_size)) /* Size of entries for indirect blocks */ \
+ + (MIN((i)->nrows, (h)->man_dtable.max_direct_rows) * (h)->man_dtable.cparam.width * (h)->sizeof_addr) /* Size of entries for direct blocks */ \
+ + ((((i)->nrows > (h)->man_dtable.max_direct_rows) ? ((i)->nrows - (h)->man_dtable.max_direct_rows) : 0) * (h)->man_dtable.cparam.width * (h)->sizeof_addr) /* Size of entries for indirect blocks */ \
)
@@ -130,6 +113,12 @@
#define H5HF_SIZEOF_OFFSET_BITS(b) (((b) + 7) / 8)
#define H5HF_SIZEOF_OFFSET_LEN(l) H5HF_SIZEOF_OFFSET_BITS(H5V_log2_of2((unsigned)(l)))
+/* Free space section types for fractal heap */
+/* (values stored in free space data structures in file) */
+#define H5FS_SECT_FHEAP_SINGLE 0 /* Section is actual bytes in a direct block */
+#define H5FS_SECT_FHEAP_RANGE 1 /* Section is a range of direct blocks */
+#define H5FS_SECT_FHEAP_INDIRECT 2 /* Section is a range of _indirect_ blocks in an indirect block row */
+
/****************************/
/* Package Private Typedefs */
/****************************/
@@ -189,6 +178,36 @@ typedef struct H5HF_block_iter_t {
H5HF_block_loc_t *curr; /* Pointer to the current level information for iterator */
} H5HF_block_iter_t;
+/* Fractal heap free space section info */
+typedef struct H5HF_free_section_t {
+ H5FS_section_info_t sect_info; /* Free space section information (must be first in struct) */
+ union {
+ struct {
+ H5HF_indirect_t *parent; /* Indirect block parent for free section's direct block */
+ unsigned par_entry; /* Entry of free section's direct block in parent indirect block */
+ /* (Needed to retrieve direct block) */
+
+ haddr_t dblock_addr; /* Address of direct block for free section */
+ size_t dblock_size; /* Size of direct block */
+ /* (Needed to retrieve direct block) */
+ } single;
+ struct {
+ H5HF_indirect_t *iblock; /* Indirect block for free section */
+ unsigned row; /* Row for range of blocks */
+ unsigned col; /* Column for range of blocks */
+ unsigned num_entries; /* Number of entries covered */
+ } range;
+ struct {
+ H5HF_indirect_t *iblock; /* Indirect block for free section */
+ unsigned row; /* Row for range of blocks */
+ unsigned col; /* Column for range of blocks */
+ unsigned num_entries; /* Number of entries covered */
+ unsigned indir_row; /* Row for indirect range of blocks */
+ unsigned indir_nrows; /* Number of rows in indirect blocks */
+ } indirect;
+ } u;
+} H5HF_free_section_t;
+
/* The fractal heap header information */
/* (Each fractal heap header has certain information that is shared across all
* the instances of blocks in that fractal heap)
@@ -200,6 +219,7 @@ typedef struct H5HF_hdr_t {
/* Shared internal information (varies during lifetime of heap) */
hsize_t total_man_free; /* Total amount of free space in managed blocks */
hsize_t total_std_free; /* Total # of free standalone ID entries */
+ haddr_t fs_addr; /* Address of free space header on disk */
/* Statistics for heap */
hsize_t total_size; /* Total amount of space used by heap (managed & standalone) */
@@ -217,15 +237,11 @@ typedef struct H5HF_hdr_t {
size_t sizeof_size; /* Size of file sizes */
size_t sizeof_addr; /* Size of file addresses */
size_t id_len; /* Size of heap IDs */
- H5HF_freelist_t *flist; /* Free list for objects in heap */
- unsigned fl_gen; /* Free list "generation" */
+ size_t nsect_classes; /* Number of free space section classes */
+ H5FS_section_class_t *sect_cls; /* Array of free space section classes */
+ H5FS_t *fspace; /* Free space list for objects in heap */
+ hbool_t fspace_open; /* Whether free space is ready */
H5HF_block_iter_t next_block; /* Block iterator for searching for next block with space */
- hbool_t freelist_sync; /* If the heap's free list in memory is in sync with the free list on disk */
- /* (ie. all existing blocks have been scanned
- * for free space (or heap is new and there are
- * no blocks with unknown free space) and new
- * free space is added by adding new blocks)
- */
/* Doubling table information */
/* (Partially set by user, partially derived/updated internally) */
@@ -246,7 +262,6 @@ typedef struct H5HF_hdr_t {
/* Indirect block entry */
typedef struct H5HF_indirect_ent_t {
haddr_t addr; /* Direct block's address */
- hsize_t free_space; /* Amount of free space in block pointed to */
/* XXX: Will need space for block size, for blocks with I/O filters */
} H5HF_indirect_ent_t;
@@ -259,10 +274,8 @@ struct H5HF_indirect_t {
size_t rc; /* Reference count of child blocks */
hbool_t dirty; /* Info is modified */
H5HF_hdr_t *hdr; /* Shared heap header info */
- unsigned fl_gen; /* Free list "generation" */
struct H5HF_indirect_t *parent; /* Shared parent indirect block info */
unsigned par_entry; /* Entry in parent's table */
- hsize_t child_free_space; /* Total amount of free space in children */
haddr_t addr; /* Address of this indirect block on disk */
unsigned nrows; /* Total # of rows in indirect block */
unsigned max_rows; /* Max. # of rows in indirect block */
@@ -273,22 +286,6 @@ struct H5HF_indirect_t {
H5HF_indirect_ent_t *ents; /* Pointer to block entry table */
};
-/* Direct block free list node */
-typedef struct H5HF_direct_free_node_t {
- /* Direct block free list info */
- size_t size; /* Size of free space */
- size_t my_offset; /* Offset of free space in block */
- size_t next_offset; /* Offset of next free space in block */
- struct H5HF_direct_free_node_t *prev; /* Previous node in free list */
- struct H5HF_direct_free_node_t *next; /* Next node in free list */
-} H5HF_direct_free_node_t;
-
-/* Direct block free list header */
-typedef struct H5HF_direct_free_head_t {
- H5HF_direct_free_node_t *first; /* First node in free list */
- hbool_t dirty; /* Free list is modified */
-} H5HF_direct_free_head_t;
-
/* A fractal heap direct block */
typedef struct H5HF_direct_t {
/* Information for H5AC cache functions, _must_ be first field in structure */
@@ -296,18 +293,14 @@ typedef struct H5HF_direct_t {
/* Internal heap information */
H5HF_hdr_t *hdr; /* Shared heap header info */
- unsigned fl_gen; /* Free list "generation" */
H5HF_indirect_t *parent; /* Shared parent indirect block info */
unsigned par_entry; /* Entry in parent's table */
size_t size; /* Size of direct block */
unsigned blk_off_size; /* Size of offsets in the block */
- size_t blk_free_space; /* Total amount of free space in block */
- H5HF_direct_free_head_t *free_list; /* Pointer to free list for block */
uint8_t *blk; /* Pointer to buffer containing block data */
/* Stored values */
hsize_t block_off; /* Offset of the block within the heap's address space */
- size_t free_list_head; /* Offset of head of free list in block */
} H5HF_direct_t;
/* Fractal heap */
@@ -325,50 +318,6 @@ typedef struct H5HF_stat_t {
hsize_t nobjs; /* Number of objects in heap */
} H5HF_stat_t;
-/* Fractal heap free list section info */
-typedef struct H5HF_free_section_t {
- haddr_t sect_addr; /* Address of free list section in the file */
- /* (Not actually used as address, used as unique ID for free list node) */
- size_t sect_size; /* Size of free space section */
- /* (section size is "object size", without the metadata overhead, since metadata overhead varies from block to block) */
- /* (for range sections, this is the largest single section within the range) */
- enum {
- H5HF_SECT_SINGLE, /* Section is actual bytes in a direct block */
- H5HF_SECT_OPAQUE, /* Section is an opaque # of bytes in child of an indirect block */
- H5HF_SECT_RANGE, /* Section is a range of direct blocks in an indirect block row */
- H5HF_SECT_INDIRECT} /* Section is a range of _indirect_ blocks in an indirect block row */
- type; /* Type of free space section */
- union {
- struct {
- H5HF_indirect_t *parent; /* Indirect block parent for free section's direct block */
- unsigned par_entry; /* Entry of free section's direct block in parent indirect block */
- /* (Needed to retrieve direct block) */
-
- haddr_t dblock_addr; /* Address of direct block for free section */
- size_t dblock_size; /* Size of direct block */
- /* (Needed to retrieve direct block) */
- } single;
- struct {
- H5HF_indirect_t *iblock; /* Indirect block parent for free section's child block */
- unsigned entry; /* Entry of free section's child block in parent indirect block */
- } opaque;
- struct {
- H5HF_indirect_t *iblock; /* Indirect block for free section */
- unsigned row; /* Row for range of blocks */
- unsigned col; /* Column for range of blocks */
- unsigned num_entries; /* Number of entries covered */
- } range;
- struct {
- H5HF_indirect_t *iblock; /* Indirect block for free section */
- unsigned row; /* Row for range of blocks */
- unsigned col; /* Column for range of blocks */
- unsigned num_entries; /* Number of entries covered */
- unsigned indir_row; /* Row for indirect range of blocks */
- unsigned indir_nrows; /* Number of rows in indirect blocks */
- } indirect;
- } u;
-} H5HF_free_section_t;
-
/* Fractal heap "parent info" (for loading a block) */
typedef struct H5HF_parent_t {
H5HF_hdr_t *hdr; /* Pointer to heap header info */
@@ -389,18 +338,21 @@ H5_DLLVAR const H5AC_class_t H5AC_FHEAP_DBLOCK[1];
/* H5HF indirect block inherits cache-like properties from H5AC */
H5_DLLVAR const H5AC_class_t H5AC_FHEAP_IBLOCK[1];
+/* H5HF single section inherits serializable properties from H5FS_section_class_t */
+H5_DLLVAR H5FS_section_class_t H5FS_SECT_CLS_FHEAP_SINGLE[1];
+
+/* H5HF range section inherits serializable properties from H5FS_section_class_t */
+H5_DLLVAR H5FS_section_class_t H5FS_SECT_CLS_FHEAP_RANGE[1];
+
+/* H5HF indirect section inherits serializable properties from H5FS_section_class_t */
+H5_DLLVAR H5FS_section_class_t H5FS_SECT_CLS_FHEAP_INDIRECT[1];
+
/* Declare a free list to manage the H5HF_hdr_t struct */
H5FL_EXTERN(H5HF_hdr_t);
/* Declare a free list to manage the H5HF_direct_t struct */
H5FL_EXTERN(H5HF_direct_t);
-/* Declare a free list to manage the H5HF_direct_free_head_t struct */
-H5FL_EXTERN(H5HF_direct_free_head_t);
-
-/* Declare a free list to manage the H5HF_direct_free_node_t struct */
-H5FL_EXTERN(H5HF_direct_free_node_t);
-
/* Declare a free list to manage heap direct block data to/from disk */
H5FL_BLK_EXTERN(direct_block);
@@ -434,6 +386,7 @@ H5_DLL unsigned H5HF_dtable_size_to_row(H5HF_dtable_t *dtable, size_t block_size
H5_DLL herr_t H5HF_hdr_incr(H5HF_hdr_t *hdr);
H5_DLL herr_t H5HF_hdr_decr(H5HF_hdr_t *hdr);
H5_DLL herr_t H5HF_hdr_dirty(H5HF_hdr_t *hdr);
+H5_DLL herr_t H5HF_hdr_adj_free(H5HF_hdr_t *hdr, ssize_t amt);
H5_DLL herr_t H5HF_hdr_extend_heap(H5HF_hdr_t *hdr, hsize_t new_size, hsize_t extra_free);
H5_DLL herr_t H5HF_hdr_inc_alloc(H5HF_hdr_t *hdr, hsize_t new_alloc_size,
unsigned nentries);
@@ -444,12 +397,12 @@ H5_DLL herr_t H5HF_iblock_decr(H5HF_indirect_t *iblock);
H5_DLL herr_t H5HF_iblock_dirty(H5HF_indirect_t *iblock);
H5_DLL H5HF_indirect_t * H5HF_man_iblock_place_dblock(H5HF_hdr_t *fh, hid_t dxpl_id,
size_t min_dblock_size, size_t *entry_p, size_t *dblock_size);
+H5_DLL herr_t H5HF_man_iblock_alloc_single(H5HF_hdr_t *hdr, hid_t dxpl_id,
+ H5HF_free_section_t *sec_node);
H5_DLL herr_t H5HF_man_iblock_alloc_range(H5HF_hdr_t *hdr, hid_t dxpl_id,
H5HF_free_section_t **sec_node);
H5_DLL herr_t H5HF_man_iblock_alloc_indirect(H5HF_hdr_t *hdr, hid_t dxpl_id,
H5HF_free_section_t **sec_node);
-H5_DLL herr_t H5HF_man_iblock_alloc_opaque(H5HF_hdr_t *hdr, hid_t dxpl_id,
- H5HF_free_section_t **sec_node);
H5_DLL H5HF_indirect_t *H5HF_man_iblock_protect(H5HF_hdr_t *hdr, hid_t dxpl_id,
haddr_t iblock_addr, unsigned iblock_nrows,
H5HF_indirect_t *par_iblock, unsigned par_entry,
@@ -457,9 +410,6 @@ H5_DLL H5HF_indirect_t *H5HF_man_iblock_protect(H5HF_hdr_t *hdr, hid_t dxpl_id,
/* Direct block routines */
H5_DLL herr_t H5HF_man_dblock_new(H5HF_hdr_t *fh, hid_t dxpl_id, size_t request);
-H5_DLL herr_t H5HF_man_dblock_build_freelist(H5HF_direct_t *dblock, haddr_t dblock_addr);
-H5_DLL herr_t H5HF_man_dblock_destroy_freelist(H5HF_direct_t *dblock);
-H5_DLL herr_t H5HF_man_dblock_adj_free(H5HF_direct_t *dblock, ssize_t amt);
H5_DLL herr_t H5HF_man_dblock_create(hid_t dxpl_id, H5HF_hdr_t *hdr,
H5HF_indirect_t *par_iblock, unsigned par_entry, size_t block_size,
hsize_t block_off, haddr_t *addr_p, H5HF_free_section_t **ret_sec_node);
@@ -471,6 +421,9 @@ H5_DLL H5HF_direct_t *H5HF_man_dblock_protect(H5HF_hdr_t *hdr, hid_t dxpl_id,
/* Routines for internal operations */
H5_DLL herr_t H5HF_free_section_free_cb(void *item, void UNUSED *key,
void UNUSED *op_data);
+H5_DLL herr_t H5HF_man_locate_block(H5HF_hdr_t *hdr, hid_t dxpl_id,
+ hsize_t obj_off, hbool_t locate_indirect, H5HF_indirect_t **par_iblock,
+ unsigned *par_entry, H5AC_protect_t rw);
H5_DLL herr_t H5HF_man_find(H5HF_hdr_t *fh, hid_t dxpl_id, size_t request,
H5HF_free_section_t **sec_node/*out*/);
H5_DLL herr_t H5HF_man_insert(H5HF_hdr_t *fh, hid_t dxpl_id,
@@ -480,7 +433,7 @@ H5_DLL herr_t H5HF_man_read(H5HF_hdr_t *fh, hid_t dxpl_id, hsize_t obj_off,
size_t obj_len, void *obj);
/* Metadata cache callbacks */
-H5_DLL herr_t H5HF_cache_hdr_dest(H5F_t *f, H5HF_hdr_t *fh);
+H5_DLL herr_t H5HF_cache_hdr_dest(H5F_t *f, H5HF_hdr_t *hdr);
H5_DLL herr_t H5HF_cache_dblock_dest(H5F_t *f, H5HF_direct_t *dblock);
H5_DLL herr_t H5HF_cache_iblock_dest(H5F_t *f, H5HF_indirect_t *iblock);
@@ -495,16 +448,6 @@ H5_DLL herr_t H5HF_iblock_debug(H5F_t *f, hid_t dxpl_id, haddr_t addr,
/* Statistics routines */
H5_DLL herr_t H5HF_stat_info(H5HF_t *fh, H5HF_stat_t *stats);
-/* Free list routines */
-H5_DLL H5HF_freelist_t * H5HF_flist_create(unsigned max_index_bits,
- H5SL_operator_t node_free_op);
-H5_DLL herr_t H5HF_flist_add(H5HF_freelist_t *flist, void *node, size_t *size_key,
- haddr_t *addr_key);
-H5_DLL htri_t H5HF_flist_find(H5HF_freelist_t *flist, size_t request,
- void **node);
-H5_DLL herr_t H5HF_flist_reset(H5HF_freelist_t *flist);
-H5_DLL herr_t H5HF_flist_free(H5HF_freelist_t *flist);
-
/* Block iteration routines */
H5_DLL herr_t H5HF_man_iter_init(H5HF_block_iter_t *biter);
H5_DLL herr_t H5HF_man_iter_start_offset(H5HF_hdr_t *hdr, hid_t dxpl_id,
@@ -523,10 +466,18 @@ H5_DLL herr_t H5HF_man_iter_offset(H5HF_hdr_t *hdr, H5HF_block_iter_t *biter,
hsize_t *offset);
H5_DLL hbool_t H5HF_man_iter_ready(H5HF_block_iter_t *biter);
+/* Free space manipulation routines */
+H5_DLL herr_t H5HF_space_start(H5HF_hdr_t *hdr, hid_t dxpl_id);
+H5_DLL htri_t H5HF_space_find(H5HF_hdr_t *hdr, hid_t dxpl_id, hsize_t request,
+ H5HF_free_section_t **node);
+H5_DLL herr_t H5HF_space_add(H5HF_hdr_t *hdr, hid_t dxpl_id, H5HF_free_section_t *node);
+H5_DLL herr_t H5HF_space_close(H5HF_hdr_t *hdr, hid_t dxpl_id);
+
/* Testing routines */
#ifdef H5HF_TESTING
H5_DLL herr_t H5HF_get_cparam_test(H5HF_t *fh, H5HF_create_t *cparam);
H5_DLL hsize_t H5HF_get_dblock_free_test(H5HF_t *fh, unsigned row);
+H5_DLL size_t H5HF_get_dblock_overhead(H5HF_t *fh);
#endif /* H5HF_TESTING */
#endif /* _H5HFpkg_H */
diff --git a/src/H5HFprivate.h b/src/H5HFprivate.h
index 455f426..d6b1e15 100644
--- a/src/H5HFprivate.h
+++ b/src/H5HFprivate.h
@@ -80,13 +80,20 @@ typedef struct H5HF_t H5HF_t;
/***************************************/
H5_DLL H5HF_t *H5HF_create(H5F_t *f, hid_t dxpl_id, H5HF_create_t *cparam);
H5_DLL H5HF_t *H5HF_open(H5F_t *f, hid_t dxpl_id, haddr_t fh_addr);
-H5_DLL herr_t H5HF_get_id_len(H5HF_t *fh, size_t *id_len_p);
+H5_DLL herr_t H5HF_get_id_len(H5HF_t *fh, size_t *id_len_p/*out*/);
H5_DLL herr_t H5HF_get_heap_addr(H5HF_t *fh, haddr_t *heap_addr);
H5_DLL herr_t H5HF_insert(H5HF_t *fh, hid_t dxpl_id, size_t size,
const void *obj, void *id/*out*/);
+H5_DLL herr_t H5HF_get_obj_len(H5HF_t *fh, const void *id, size_t *obj_len_p/*out*/);
H5_DLL herr_t H5HF_read(H5HF_t *fh, hid_t dxpl_id, const void *id,
void *obj/*out*/);
-H5_DLL herr_t H5HF_close(H5HF_t *fh);
+H5_DLL herr_t H5HF_close(H5HF_t *fh, hid_t dxpl_id);
+
+/* Debugging routines */
+#ifdef H5HF_DEBUGGING
+H5_DLL herr_t H5HF_sects_debug(H5F_t *f, hid_t dxpl_id, haddr_t addr,
+ FILE *stream, int indent, int fwidth);
+#endif /* H5HF_DEBUGGING */
#endif /* _H5HFprivate_H */
diff --git a/src/H5HFsection.c b/src/H5HFsection.c
new file mode 100644
index 0000000..6cbe4cb
--- /dev/null
+++ b/src/H5HFsection.c
@@ -0,0 +1,595 @@
+/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
+ * Copyright by the Board of Trustees of the University of Illinois. *
+ * All rights reserved. *
+ * *
+ * This file is part of HDF5. The full HDF5 copyright notice, including *
+ * terms governing use, modification, and redistribution, is contained in *
+ * the files COPYING and Copyright.html. COPYING can be found at the root *
+ * of the source code distribution tree; Copyright.html can be found at the *
+ * root level of an installed copy of the electronic HDF5 document set and *
+ * is linked from the top-level documents page. It can also be found at *
+ * http://hdf.ncsa.uiuc.edu/HDF5/doc/Copyright.html. If you do not have *
+ * access to either file, you may request a copy from hdfhelp@ncsa.uiuc.edu. *
+ * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
+
+/* Programmer: Quincey Koziol <koziol@ncsa.uiuc.edu>
+ * Monday, May 1, 2006
+ *
+ * Purpose: Free space section routines for fractal heaps.
+ *
+ */
+
+/****************/
+/* Module Setup */
+/****************/
+
+#define H5HF_PACKAGE /*suppress error about including H5HFpkg */
+
+/***********/
+/* Headers */
+/***********/
+#include "H5private.h" /* Generic Functions */
+#include "H5Eprivate.h" /* Error handling */
+#include "H5HFpkg.h" /* Fractal heaps */
+
+/****************/
+/* Local Macros */
+/****************/
+
+
+/******************/
+/* Local Typedefs */
+/******************/
+
+
+/********************/
+/* Package Typedefs */
+/********************/
+
+
+/********************/
+/* Local Prototypes */
+/********************/
+static herr_t H5HF_sect_single_deserialize(H5FS_section_class_t *sect_cls,
+ const uint8_t *buf, haddr_t sect_addr, hsize_t sect_size,
+ H5FS_section_info_t **sect);
+static herr_t H5HF_sect_range_init(H5FS_section_class_t *cls, const void *udata);
+static herr_t H5HF_sect_range_serialize(const H5FS_section_info_t *sect, uint8_t *buf);
+static herr_t H5HF_sect_range_deserialize(H5FS_section_class_t *sect_cls,
+ const uint8_t *buf, haddr_t sect_addr, hsize_t sect_size,
+ H5FS_section_info_t **sect);
+static herr_t H5HF_sect_range_debug(const H5FS_section_info_t *sect,
+ FILE *stream, int indent, int fwidth);
+static herr_t H5HF_sect_indirect_init(H5FS_section_class_t *cls, const void *udata);
+static herr_t H5HF_sect_indirect_serialize(const H5FS_section_info_t *sect, uint8_t *buf);
+static herr_t H5HF_sect_indirect_deserialize(H5FS_section_class_t *sect_cls,
+ const uint8_t *buf, haddr_t sect_addr, hsize_t sect_size,
+ H5FS_section_info_t **sect);
+static herr_t H5HF_sect_indirect_debug(const H5FS_section_info_t *sect,
+ FILE *stream, int indent, int fwidth);
+
+
+/*********************/
+/* Package Variables */
+/*********************/
+
+/* Class info for "single" free space sections */
+/* (No callbacks necessary) */
+H5FS_section_class_t H5FS_SECT_CLS_FHEAP_SINGLE[1] = {{
+ H5FS_SECT_FHEAP_SINGLE,
+ 0,
+ NULL,
+ NULL,
+ H5HF_sect_single_deserialize,
+ NULL,
+}};
+
+/* Class info for "range" free space sections */
+H5FS_section_class_t H5FS_SECT_CLS_FHEAP_RANGE[1] = {{
+ H5FS_SECT_FHEAP_RANGE,
+ 0,
+ H5HF_sect_range_init,
+ H5HF_sect_range_serialize,
+ H5HF_sect_range_deserialize,
+ H5HF_sect_range_debug,
+}};
+
+/* Class info for "indirect" free space sections */
+H5FS_section_class_t H5FS_SECT_CLS_FHEAP_INDIRECT[1] = {{
+ H5FS_SECT_FHEAP_INDIRECT,
+ 0,
+ H5HF_sect_indirect_init,
+ H5HF_sect_indirect_serialize,
+ H5HF_sect_indirect_deserialize,
+ H5HF_sect_indirect_debug,
+}};
+
+/* Declare a free list to manage the H5HF_free_section_t struct */
+H5FL_DEFINE(H5HF_free_section_t);
+
+
+/*****************************/
+/* Library Private Variables */
+/*****************************/
+
+
+/*******************/
+/* Local Variables */
+/*******************/
+
+
+
+/*-------------------------------------------------------------------------
+ * Function: H5HF_free_section_free_cb
+ *
+ * Purpose: Free a free section node
+ *
+ * Return: Success: non-negative
+ *
+ * Failure: negative
+ *
+ * Programmer: Quincey Koziol
+ * Monday, March 13, 2006
+ *
+ *-------------------------------------------------------------------------
+ */
+herr_t
+H5HF_free_section_free_cb(void *_sect, void UNUSED *key, void UNUSED *op_data)
+{
+ H5HF_free_section_t *sect = (H5HF_free_section_t *)_sect;
+ herr_t ret_value = 0; /* Return value */
+
+ FUNC_ENTER_NOAPI_NOINIT(H5HF_free_section_free_cb)
+
+ HDassert(sect);
+
+ /* Check for live reference to an indirect block */
+ if(sect->sect_info.state == H5FS_SECT_LIVE) {
+ H5HF_indirect_t *iblock; /* Indirect block referenced */
+
+ /* Find indirect block that free section references */
+ switch(sect->sect_info.cls->type) {
+ case H5FS_SECT_FHEAP_SINGLE:
+ iblock = sect->u.single.parent;
+ break;
+
+ case H5FS_SECT_FHEAP_RANGE:
+ iblock = sect->u.range.iblock;
+ break;
+
+ case H5FS_SECT_FHEAP_INDIRECT:
+ iblock = sect->u.indirect.iblock;
+ break;
+ } /* end switch */
+
+ /* Release indirect block, if there was one */
+ if(iblock)
+ if(H5HF_iblock_decr(iblock) < 0)
+ HGOTO_ERROR(H5E_HEAP, H5E_CANTDEC, FAIL, "can't decrement reference count on shared indirect block")
+ } /* end if */
+
+ /* Release the sections */
+ H5FL_FREE(H5HF_free_section_t, sect);
+
+done:
+ FUNC_LEAVE_NOAPI(ret_value)
+} /* H5HF_free_section_free_cb() */
+
+
+/*-------------------------------------------------------------------------
+ * Function: H5HF_sect_node_alloc
+ *
+ * Purpose: Allocate a free space section node of a particular type
+ *
+ * Return: Success: non-negative
+ *
+ * Failure: negative
+ *
+ * Programmer: Quincey Koziol
+ * Saturday, May 13, 2006
+ *
+ *-------------------------------------------------------------------------
+ */
+static herr_t
+H5HF_sect_node_alloc(H5FS_section_class_t *sect_cls, unsigned sect_type,
+ haddr_t sect_addr, hsize_t sect_size, H5FS_section_info_t **sect)
+{
+ H5HF_free_section_t *new_sect; /* New section */
+ herr_t ret_value = SUCCEED; /* Return value */
+
+ FUNC_ENTER_NOAPI_NOINIT(H5HF_sect_node_alloc)
+
+ /* Check arguments. */
+ HDassert(H5F_addr_defined(sect_addr));
+ HDassert(sect_size);
+ HDassert(sect);
+
+ /* Create free list section node */
+ if(NULL == (new_sect = H5FL_MALLOC(H5HF_free_section_t)))
+ HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, FAIL, "memory allocation failed for direct block free list section")
+
+ /* Set the information passed in */
+ new_sect->sect_info.addr = sect_addr;
+ new_sect->sect_info.size = sect_size;
+
+ /* Set the section's class & state */
+ new_sect->sect_info.cls = &sect_cls[sect_type];
+ new_sect->sect_info.state = H5FS_SECT_SERIALIZED;
+
+ /* Update the return parameter */
+ *sect = (H5FS_section_info_t *)new_sect;
+
+done:
+ FUNC_LEAVE_NOAPI(ret_value)
+} /* H5HF_sect_node_alloc() */
+
+
+/*-------------------------------------------------------------------------
+ * Function: H5HF_sect_single_deserialize
+ *
+ * Purpose: Deserialize a buffer into a "live" single section
+ *
+ * Return: Success: non-negative
+ *
+ * Failure: negative
+ *
+ * Programmer: Quincey Koziol
+ * Monday, May 1, 2006
+ *
+ *-------------------------------------------------------------------------
+ */
+static herr_t
+H5HF_sect_single_deserialize(H5FS_section_class_t *sect_cls,
+ const uint8_t *buf, haddr_t sect_addr, hsize_t sect_size,
+ H5FS_section_info_t **sect)
+{
+ herr_t ret_value = SUCCEED; /* Return value */
+
+ FUNC_ENTER_NOAPI_NOINIT(H5HF_sect_single_deserialize)
+
+ /* Check arguments. */
+ HDassert(buf);
+ HDassert(H5F_addr_defined(sect_addr));
+ HDassert(sect_size);
+ HDassert(sect);
+
+ /* Create free list section node */
+ if(H5HF_sect_node_alloc(sect_cls, H5FS_SECT_FHEAP_SINGLE, sect_addr, sect_size, sect) < 0)
+ HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, FAIL, "allocation failed for direct block free list section")
+
+done:
+ FUNC_LEAVE_NOAPI(ret_value)
+} /* H5HF_sect_single_deserialize() */
+
+
+/*-------------------------------------------------------------------------
+ * Function: H5HF_sect_range_init
+ *
+ * Purpose: Initialize the "range" class structure
+ *
+ * Return: Success: non-negative
+ *
+ * Failure: negative
+ *
+ * Programmer: Quincey Koziol
+ * Monday, May 1, 2006
+ *
+ *-------------------------------------------------------------------------
+ */
+static herr_t
+H5HF_sect_range_init(H5FS_section_class_t *cls, const void UNUSED *udata)
+{
+ FUNC_ENTER_NOAPI_NOINIT_NOFUNC(H5HF_sect_range_init)
+
+ /* Check arguments. */
+ HDassert(cls);
+
+ /* Set the size of all serialized objects of this class of sections */
+ cls->serial_size = 2 /* Row */
+ + 2 /* Column */
+ + 2; /* # of entries */
+
+ FUNC_LEAVE_NOAPI(SUCCEED)
+} /* H5HF_sect_range_init() */
+
+
+/*-------------------------------------------------------------------------
+ * Function: H5HF_sect_range_serialize
+ *
+ * Purpose: Serialize a "live" range section into a buffer
+ *
+ * Return: Success: non-negative
+ *
+ * Failure: negative
+ *
+ * Programmer: Quincey Koziol
+ * Monday, May 1, 2006
+ *
+ *-------------------------------------------------------------------------
+ */
+static herr_t
+H5HF_sect_range_serialize(const H5FS_section_info_t *_sect, uint8_t *buf)
+{
+ const H5HF_free_section_t *sect = (const H5HF_free_section_t *)_sect;
+
+ FUNC_ENTER_NOAPI_NOINIT_NOFUNC(H5HF_sect_range_serialize)
+
+ /* Check arguments. */
+ HDassert(buf);
+ HDassert(sect);
+
+ /* Range's row */
+ UINT16ENCODE(buf, sect->u.range.row);
+
+ /* Range's column */
+ UINT16ENCODE(buf, sect->u.range.col);
+
+ /* Range's # of entries */
+ UINT16ENCODE(buf, sect->u.range.num_entries);
+
+ FUNC_LEAVE_NOAPI(SUCCEED)
+} /* H5HF_sect_range_serialize() */
+
+
+/*-------------------------------------------------------------------------
+ * Function: H5HF_sect_range_deserialize
+ *
+ * Purpose: Deserialize a buffer into a "live" range section
+ *
+ * Return: Success: non-negative
+ *
+ * Failure: negative
+ *
+ * Programmer: Quincey Koziol
+ * Monday, May 1, 2006
+ *
+ *-------------------------------------------------------------------------
+ */
+static herr_t
+H5HF_sect_range_deserialize(H5FS_section_class_t *sect_cls,
+ const uint8_t *buf, haddr_t sect_addr, hsize_t sect_size,
+ H5FS_section_info_t **sect)
+{
+ herr_t ret_value = SUCCEED; /* Return value */
+
+ FUNC_ENTER_NOAPI_NOINIT(H5HF_sect_range_deserialize)
+
+ /* Check arguments. */
+ HDassert(buf);
+ HDassert(H5F_addr_defined(sect_addr));
+ HDassert(sect_size);
+ HDassert(sect);
+
+ /* Create free list section node */
+ if(H5HF_sect_node_alloc(sect_cls, H5FS_SECT_FHEAP_RANGE, sect_addr, sect_size, sect) < 0)
+ HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, FAIL, "allocation failed for direct block free list section")
+
+ /* Range's row */
+ UINT16DECODE(buf, ((H5HF_free_section_t *)*sect)->u.range.row);
+
+ /* Range's column */
+ UINT16DECODE(buf, ((H5HF_free_section_t *)*sect)->u.range.col);
+
+ /* Range's # of entries */
+ UINT16DECODE(buf, ((H5HF_free_section_t *)*sect)->u.range.num_entries);
+
+done:
+ FUNC_LEAVE_NOAPI(ret_value)
+} /* H5HF_sect_range_deserialize() */
+
+
+/*-------------------------------------------------------------------------
+ * Function: H5HF_sect_range_debug
+ *
+ * Purpose: Dump debugging information about an range free space section
+ *
+ * Return: Success: non-negative
+ *
+ * Failure: negative
+ *
+ * Programmer: Quincey Koziol
+ * Saturday, May 13, 2006
+ *
+ *-------------------------------------------------------------------------
+ */
+static herr_t
+H5HF_sect_range_debug(const H5FS_section_info_t *_sect,
+ FILE *stream, int indent, int fwidth)
+{
+ const H5HF_free_section_t *sect = (const H5HF_free_section_t *)_sect; /* Section to dump info */
+
+ FUNC_ENTER_NOAPI_NOINIT_NOFUNC(H5HF_sect_range_debug)
+
+ /* Check arguments. */
+ HDassert(sect);
+
+ /* Print range section information */
+ HDfprintf(stream, "%*s%-*s %u\n", indent, "", fwidth,
+ "Row:",
+ sect->u.range.row);
+ HDfprintf(stream, "%*s%-*s %u\n", indent, "", fwidth,
+ "Column:",
+ sect->u.range.col);
+ HDfprintf(stream, "%*s%-*s %u\n", indent, "", fwidth,
+ "Number of entries:",
+ sect->u.range.num_entries);
+
+ FUNC_LEAVE_NOAPI(SUCCEED)
+} /* H5HF_sect_range_debug() */
+
+
+/*-------------------------------------------------------------------------
+ * Function: H5HF_sect_indirect_init
+ *
+ * Purpose: Initialize the "indirect" class structure
+ *
+ * Return: Success: non-negative
+ *
+ * Failure: negative
+ *
+ * Programmer: Quincey Koziol
+ * Monday, May 1, 2006
+ *
+ *-------------------------------------------------------------------------
+ */
+static herr_t
+H5HF_sect_indirect_init(H5FS_section_class_t *cls, const void UNUSED *udata)
+{
+ FUNC_ENTER_NOAPI_NOINIT_NOFUNC(H5HF_sect_indirect_init)
+
+ /* Check arguments. */
+ HDassert(cls);
+
+ /* Set the size of all serialized objects of this class of sections */
+ cls->serial_size = 2 /* Row */
+ + 2 /* Column */
+ + 2 /* # of entries */
+ + 2 /* Indirect row */
+ + 2; /* Indirect # of rows */
+
+ FUNC_LEAVE_NOAPI(SUCCEED)
+} /* H5HF_sect_indirect_init() */
+
+
+/*-------------------------------------------------------------------------
+ * Function: H5HF_sect_indirect_serialize
+ *
+ * Purpose: Serialize a "live" indirect section into a buffer
+ *
+ * Return: Success: non-negative
+ *
+ * Failure: negative
+ *
+ * Programmer: Quincey Koziol
+ * Monday, May 1, 2006
+ *
+ *-------------------------------------------------------------------------
+ */
+static herr_t
+H5HF_sect_indirect_serialize(const H5FS_section_info_t *_sect, uint8_t *buf)
+{
+ const H5HF_free_section_t *sect = (const H5HF_free_section_t *)_sect;
+
+ FUNC_ENTER_NOAPI_NOINIT_NOFUNC(H5HF_sect_indirect_serialize)
+
+ /* Check arguments. */
+ HDassert(buf);
+ HDassert(_sect);
+
+ /* Range's row */
+ UINT16ENCODE(buf, sect->u.indirect.row);
+
+ /* Range's column */
+ UINT16ENCODE(buf, sect->u.indirect.col);
+
+ /* Range's # of entries */
+ UINT16ENCODE(buf, sect->u.indirect.num_entries);
+
+ /* Range's indirect row */
+ UINT16ENCODE(buf, sect->u.indirect.indir_row);
+
+ /* Range's indirect # of rows */
+ UINT16ENCODE(buf, sect->u.indirect.indir_nrows);
+
+ FUNC_LEAVE_NOAPI(SUCCEED)
+} /* H5HF_sect_indirect_serialize() */
+
+
+/*-------------------------------------------------------------------------
+ * Function: H5HF_sect_indirect_deserialize
+ *
+ * Purpose: Deserialize a buffer into a "live" indirect section
+ *
+ * Return: Success: non-negative
+ *
+ * Failure: negative
+ *
+ * Programmer: Quincey Koziol
+ * Monday, May 1, 2006
+ *
+ *-------------------------------------------------------------------------
+ */
+static herr_t
+H5HF_sect_indirect_deserialize(H5FS_section_class_t *sect_cls,
+ const uint8_t *buf, haddr_t sect_addr, hsize_t sect_size,
+ H5FS_section_info_t **sect)
+{
+ herr_t ret_value = SUCCEED; /* Return value */
+
+ FUNC_ENTER_NOAPI_NOINIT(H5HF_sect_indirect_deserialize)
+
+ /* Check arguments. */
+ HDassert(buf);
+ HDassert(H5F_addr_defined(sect_addr));
+ HDassert(sect_size);
+ HDassert(sect);
+
+ /* Create free list section node */
+ if(H5HF_sect_node_alloc(sect_cls, H5FS_SECT_FHEAP_INDIRECT, sect_addr, sect_size, sect) < 0)
+ HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, FAIL, "allocation failed for direct block free list section")
+
+ /* Range's row */
+ UINT16DECODE(buf, ((H5HF_free_section_t *)*sect)->u.indirect.row);
+
+ /* Range's column */
+ UINT16DECODE(buf, ((H5HF_free_section_t *)*sect)->u.indirect.col);
+
+ /* Range's # of entries */
+ UINT16DECODE(buf, ((H5HF_free_section_t *)*sect)->u.indirect.num_entries);
+
+ /* Range's indirect row */
+ UINT16DECODE(buf, ((H5HF_free_section_t *)*sect)->u.indirect.indir_row);
+
+ /* Range's indirect # of rows */
+ UINT16DECODE(buf, ((H5HF_free_section_t *)*sect)->u.indirect.indir_nrows);
+
+done:
+ FUNC_LEAVE_NOAPI(ret_value)
+} /* H5HF_sect_indirect_deserialize() */
+
+
+/*-------------------------------------------------------------------------
+ * Function: H5HF_sect_indirect_debug
+ *
+ * Purpose: Dump debugging information about an indirect free space section
+ *
+ * Return: Success: non-negative
+ *
+ * Failure: negative
+ *
+ * Programmer: Quincey Koziol
+ * Saturday, May 13, 2006
+ *
+ *-------------------------------------------------------------------------
+ */
+static herr_t
+H5HF_sect_indirect_debug(const H5FS_section_info_t *_sect,
+ FILE *stream, int indent, int fwidth)
+{
+ const H5HF_free_section_t *sect = (const H5HF_free_section_t *)_sect; /* Section to dump info */
+
+ FUNC_ENTER_NOAPI_NOINIT_NOFUNC(H5HF_sect_indirect_debug)
+
+ /* Check arguments. */
+ HDassert(sect);
+
+ /* Print indirect section information */
+ HDfprintf(stream, "%*s%-*s %u\n", indent, "", fwidth,
+ "Row:",
+ sect->u.indirect.row);
+ HDfprintf(stream, "%*s%-*s %u\n", indent, "", fwidth,
+ "Column:",
+ sect->u.indirect.col);
+ HDfprintf(stream, "%*s%-*s %u\n", indent, "", fwidth,
+ "Number of entries:",
+ sect->u.indirect.num_entries);
+ HDfprintf(stream, "%*s%-*s %u\n", indent, "", fwidth,
+ "Indirect row:",
+ sect->u.indirect.indir_row);
+ HDfprintf(stream, "%*s%-*s %u\n", indent, "", fwidth,
+ "Indirect number of rows:",
+ sect->u.indirect.indir_nrows);
+
+ FUNC_LEAVE_NOAPI(SUCCEED)
+} /* H5HF_sect_indirect_debug() */
+
diff --git a/src/H5HFspace.c b/src/H5HFspace.c
new file mode 100644
index 0000000..7f68817
--- /dev/null
+++ b/src/H5HFspace.c
@@ -0,0 +1,291 @@
+/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
+ * Copyright by the Board of Trustees of the University of Illinois. *
+ * All rights reserved. *
+ * *
+ * This file is part of HDF5. The full HDF5 copyright notice, including *
+ * terms governing use, modification, and redistribution, is contained in *
+ * the files COPYING and Copyright.html. COPYING can be found at the root *
+ * of the source code distribution tree; Copyright.html can be found at the *
+ * root level of an installed copy of the electronic HDF5 document set and *
+ * is linked from the top-level documents page. It can also be found at *
+ * http://hdf.ncsa.uiuc.edu/HDF5/doc/Copyright.html. If you do not have *
+ * access to either file, you may request a copy from hdfhelp@ncsa.uiuc.edu. *
+ * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
+
+/*-------------------------------------------------------------------------
+ *
+ * Created: H5HFspace.c
+ * May 2 2006
+ * Quincey Koziol <koziol@ncsa.uiuc.edu>
+ *
+ * Purpose: Space allocation routines for fractal heaps.
+ *
+ *-------------------------------------------------------------------------
+ */
+
+/****************/
+/* Module Setup */
+/****************/
+
+#define H5HF_PACKAGE /*suppress error about including H5HFpkg */
+
+/***********/
+/* Headers */
+/***********/
+#include "H5private.h" /* Generic Functions */
+#include "H5Eprivate.h" /* Error handling */
+#include "H5HFpkg.h" /* Fractal heaps */
+
+
+/****************/
+/* Local Macros */
+/****************/
+
+#define H5HF_FSPACE_SHRINK 80 /* Percent of "normal" size to shrink serialized free space size */
+#define H5HF_FSPACE_EXPAND 120 /* Percent of "normal" size to expand serialized free space size */
+
+/******************/
+/* Local Typedefs */
+/******************/
+
+
+/********************/
+/* Package Typedefs */
+/********************/
+
+
+/********************/
+/* Local Prototypes */
+/********************/
+
+
+/*********************/
+/* Package Variables */
+/*********************/
+
+
+/*****************************/
+/* Library Private Variables */
+/*****************************/
+
+
+/*******************/
+/* Local Variables */
+/*******************/
+
+
+
+/*-------------------------------------------------------------------------
+ * Function: H5HF_space_start
+ *
+ * Purpose: "Start up" free space for heap - open existing free space
+ * structure if one exists, otherwise create a new free space
+ * structure
+ *
+ * Return: Success: non-negative
+ *
+ * Failure: negative
+ *
+ * Programmer: Quincey Koziol
+ * koziol@ncsa.uiuc.edu
+ * May 2 2006
+ *
+ *-------------------------------------------------------------------------
+ */
+herr_t
+H5HF_space_start(H5HF_hdr_t *hdr, hid_t dxpl_id)
+{
+ const H5FS_section_class_t *classes[] = { /* Free space section classes implemented for fractal heap */
+ H5FS_SECT_CLS_FHEAP_SINGLE,
+ H5FS_SECT_CLS_FHEAP_RANGE,
+ H5FS_SECT_CLS_FHEAP_INDIRECT};
+ unsigned u; /* Local index variable */
+ herr_t ret_value = SUCCEED; /* Return value */
+
+ FUNC_ENTER_NOAPI_NOINIT(H5HF_space_start)
+
+ /*
+ * Check arguments.
+ */
+ HDassert(hdr);
+
+ /* Allocate space for the section classes for the free list management code to use */
+ hdr->nsect_classes = NELMTS(classes);
+ if(NULL == (hdr->sect_cls = H5FL_SEQ_MALLOC(H5FS_section_class_t, hdr->nsect_classes)))
+ HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, FAIL, "memory allocation failed for free space section class array ")
+
+ /* Copy the section classes for this heap */
+ /* (Initialization calls will be performed by the free list code) */
+ for(u = 0; u < hdr->nsect_classes; u++) {
+ /* Make certain that section class type can be used as an array index into this array */
+ HDassert(u == classes[u]->type);
+
+ HDmemcpy(&hdr->sect_cls[u], classes[u], sizeof(H5FS_section_class_t));
+ } /* end for */
+
+ /* Check for creating free space info for the heap */
+ if(H5F_addr_defined(hdr->fs_addr)) {
+ /* Open an existing free space structure for the heap */
+ if(NULL == (hdr->fspace = H5FS_open(hdr->f, dxpl_id, hdr->fs_addr,
+ H5HF_free_section_free_cb, hdr->nsect_classes, hdr->sect_cls, hdr)))
+ HGOTO_ERROR(H5E_HEAP, H5E_CANTINIT, FAIL, "can't initialize free space info")
+ } /* end if */
+ else {
+ H5FS_create_t fs_create; /* Free space creation parameters */
+
+ /* Set the free space creation parameters */
+ fs_create.client = H5FS_CLIENT_FHEAP_ID;
+ fs_create.shrink_percent = H5HF_FSPACE_SHRINK;
+ fs_create.expand_percent = H5HF_FSPACE_EXPAND;
+ fs_create.max_sect_size = hdr->man_dtable.cparam.max_direct_size;
+ fs_create.max_sect_addr = hdr->man_dtable.cparam.max_index;
+
+ /* Create the free space structure for the heap */
+ if(NULL == (hdr->fspace = H5FS_create(hdr->f, dxpl_id, &hdr->fs_addr,
+ &fs_create, H5HF_free_section_free_cb,
+ hdr->nsect_classes, hdr->sect_cls, hdr)))
+ HGOTO_ERROR(H5E_HEAP, H5E_CANTINIT, FAIL, "can't initialize free space info")
+ } /* end else */
+
+ /* Free space for heap is now open */
+ hdr->fspace_open = TRUE;
+
+done:
+ FUNC_LEAVE_NOAPI(ret_value)
+} /* end H5HF_space_start() */
+
+
+/*-------------------------------------------------------------------------
+ * Function: H5HF_space_find
+ *
+ * Purpose: Attempt to find space in a fractal heap
+ *
+ * Return: Success: non-negative
+ *
+ * Failure: negative
+ *
+ * Programmer: Quincey Koziol
+ * koziol@ncsa.uiuc.edu
+ * May 2 2006
+ *
+ *-------------------------------------------------------------------------
+ */
+htri_t
+H5HF_space_find(H5HF_hdr_t *hdr, hid_t dxpl_id, hsize_t request, H5HF_free_section_t **node)
+{
+ htri_t node_found; /* Whether an existing free list node was found */
+ htri_t ret_value; /* Return value */
+
+ FUNC_ENTER_NOAPI_NOINIT(H5HF_space_find)
+
+ /*
+ * Check arguments.
+ */
+ HDassert(hdr);
+ HDassert(request);
+ HDassert(node);
+
+ /* Check if the free space for the heap has been initialized */
+ if(!hdr->fspace_open)
+ if(H5HF_space_start(hdr, dxpl_id) < 0)
+ HGOTO_ERROR(H5E_HEAP, H5E_CANTINIT, FAIL, "can't initialize heap free space")
+
+ /* Search for free space in the heap */
+ if((node_found = H5FS_find(hdr->f, dxpl_id, hdr->fspace, request, (H5FS_section_info_t **)node)) < 0)
+ HGOTO_ERROR(H5E_HEAP, H5E_CANTALLOC, FAIL, "can't locate free space in fractal heap")
+
+ /* Set return value */
+ ret_value = node_found;
+
+done:
+ FUNC_LEAVE_NOAPI(ret_value)
+} /* end H5HF_space_find() */
+
+
+/*-------------------------------------------------------------------------
+ * Function: H5HF_space_add
+ *
+ * Purpose: Add a section to the free space for the heap
+ *
+ * Return: Success: non-negative
+ *
+ * Failure: negative
+ *
+ * Programmer: Quincey Koziol
+ * koziol@ncsa.uiuc.edu
+ * May 2 2006
+ *
+ *-------------------------------------------------------------------------
+ */
+herr_t
+H5HF_space_add(H5HF_hdr_t *hdr, hid_t dxpl_id, H5HF_free_section_t *node)
+{
+ herr_t ret_value = SUCCEED; /* Return value */
+
+ FUNC_ENTER_NOAPI_NOINIT(H5HF_space_add)
+
+ /*
+ * Check arguments.
+ */
+ HDassert(hdr);
+ HDassert(node);
+ HDassert(hdr->fspace_open);
+ HDassert(hdr->fspace);
+
+ /* Add to the free space for the heap */
+ if(H5FS_add(hdr->f, dxpl_id, hdr->fspace, (H5FS_section_info_t *)node) < 0)
+ HGOTO_ERROR(H5E_HEAP, H5E_CANTINSERT, FAIL, "can't add section to heap free space")
+
+done:
+ FUNC_LEAVE_NOAPI(ret_value)
+} /* end H5HF_space_add() */
+
+
+/*-------------------------------------------------------------------------
+ * Function: H5HF_space_close
+ *
+ * Purpose: Close the free space for the heap
+ *
+ * Return: Success: non-negative
+ *
+ * Failure: negative
+ *
+ * Programmer: Quincey Koziol
+ * koziol@ncsa.uiuc.edu
+ * May 2 2006
+ *
+ *-------------------------------------------------------------------------
+ */
+herr_t
+H5HF_space_close(H5HF_hdr_t *hdr, hid_t dxpl_id)
+{
+ herr_t ret_value = SUCCEED; /* Return value */
+
+ FUNC_ENTER_NOAPI_NOINIT(H5HF_space_close)
+
+ /*
+ * Check arguments.
+ */
+ HDassert(hdr);
+
+ /* Check if the free space was ever opened */
+ if(hdr->fspace_open) {
+ /* Sanity check */
+ HDassert(hdr->fspace);
+
+ /* Close the free space for the heap */
+ if(H5FS_close(hdr->f, dxpl_id, hdr->fspace) < 0)
+ HGOTO_ERROR(H5E_HEAP, H5E_CANTRELEASE, FAIL, "can't release free space info")
+ hdr->fspace = NULL;
+
+ /* Release the memory for the free space section classes */
+ H5FL_SEQ_FREE(H5FS_section_class_t, hdr->sect_cls);
+
+ /* Free space is now closed */
+ hdr->fspace_open = FALSE;
+ } /* end if */
+
+done:
+ FUNC_LEAVE_NOAPI(ret_value)
+} /* end H5HF_space_close() */
+
diff --git a/src/H5HFtest.c b/src/H5HFtest.c
index 4b627fd..2327fe6 100644
--- a/src/H5HFtest.c
+++ b/src/H5HFtest.c
@@ -132,3 +132,34 @@ H5HF_get_dblock_free_test(H5HF_t *fh, unsigned row)
FUNC_LEAVE_NOAPI(ret_value)
} /* H5HF_get_dblock_free_test() */
+
+/*-------------------------------------------------------------------------
+ * Function: H5HF_get_dblock_overhead
+ *
+ * Purpose: Retrieve the size of direct block overhead
+ *
+ * Return: Success: Size of direct block overhead
+ *
+ * Failure: 0
+ *
+ * Programmer: Quincey Koziol
+ * Tuesday, May 9, 2006
+ *
+ *-------------------------------------------------------------------------
+ */
+size_t
+H5HF_get_dblock_overhead(H5HF_t *fh)
+{
+ size_t ret_value; /* Return value */
+
+ FUNC_ENTER_NOAPI_NOINIT_NOFUNC(H5HF_get_dblock_overhead)
+
+ /* Check arguments. */
+ HDassert(fh);
+
+ /* Return direct block overhead */
+ ret_value = H5HF_MAN_ABS_DIRECT_OVERHEAD(fh->hdr);
+
+ FUNC_LEAVE_NOAPI(ret_value)
+} /* H5HF_get_dblock_overhead() */
+
diff --git a/src/H5err.txt b/src/H5err.txt
index 014e7a7..91cdb95 100644
--- a/src/H5err.txt
+++ b/src/H5err.txt
@@ -70,6 +70,7 @@ MAJOR, H5E_TST, Ternary Search Trees
MAJOR, H5E_RS, Reference Counted Strings
MAJOR, H5E_ERROR, Error API
MAJOR, H5E_SLIST, Skip Lists
+MAJOR, H5E_FSPACE, File Free Space
MAJOR, H5E_NONE_MAJOR, No error
# Sections (for grouping minor errors)
diff --git a/src/H5private.h b/src/H5private.h
index 5ae7baf..39971eb 100644
--- a/src/H5private.h
+++ b/src/H5private.h
@@ -1436,6 +1436,7 @@ H5_DLL int H5AC_term_interface(void);
H5_DLL int H5D_term_interface(void);
H5_DLL int H5E_term_interface(void);
H5_DLL int H5F_term_interface(void);
+H5_DLL int H5FS_term_interface(void);
H5_DLL int H5G_term_interface(void);
H5_DLL int H5I_term_interface(void);
H5_DLL int H5P_term_interface(void);
diff --git a/src/Makefile.am b/src/Makefile.am
index 0d01ec2..da84780 100755
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -51,13 +51,15 @@ libhdf5_la_SOURCES= H5.c H5dbg.c H5A.c H5AC.c H5B.c H5Bcache.c \
H5FDfamily.c H5FDlog.c H5FDmpi.c H5FDmpio.c \
H5FDmpiposix.c H5FDmulti.c H5FDsec2.c H5FDstdio.c \
H5FDstream.c H5FL.c H5FO.c \
+ H5FS.c H5FScache.c H5FSdbg.c \
H5G.c H5Gent.c H5Glink.c H5Gloc.c H5Gname.c H5Gnode.c H5Gobj.c \
H5Goh.c \
H5Gstab.c \
H5Gtest.c \
H5Gtraverse.c \
- H5HF.c H5HFcache.c H5HFdbg.c H5HFdblock.c H5HFdtable.c H5HFflist.c \
- H5HFhdr.c H5HFiblock.c H5HFint.c H5HFiter.c H5HFstat.c H5HFtest.c \
+ H5HF.c H5HFcache.c H5HFdbg.c H5HFdblock.c H5HFdtable.c \
+ H5HFhdr.c H5HFiblock.c H5HFint.c H5HFiter.c H5HFsection.c \
+ H5HFspace.c H5HFstat.c H5HFtest.c \
H5HG.c H5HGdbg.c H5HL.c H5HLdbg.c H5HP.c H5I.c H5MF.c H5MM.c \
H5MP.c H5MPtest.c \
H5O.c \
diff --git a/src/Makefile.in b/src/Makefile.in
index 858fd9c..d930a2f 100644
--- a/src/Makefile.in
+++ b/src/Makefile.in
@@ -90,27 +90,27 @@ am_libhdf5_la_OBJECTS = H5.lo H5dbg.lo H5A.lo H5AC.lo H5B.lo \
H5Fmount.lo H5Fsfile.lo H5Fsuper.lo H5FD.lo H5FDcore.lo \
H5FDfamily.lo H5FDlog.lo H5FDmpi.lo H5FDmpio.lo \
H5FDmpiposix.lo H5FDmulti.lo H5FDsec2.lo H5FDstdio.lo \
- H5FDstream.lo H5FL.lo H5FO.lo H5G.lo H5Gent.lo H5Glink.lo \
+ H5FDstream.lo H5FL.lo H5FO.lo H5FS.lo H5FScache.lo H5FSdbg.lo H5G.lo H5Gent.lo H5Glink.lo \
H5Gloc.lo H5Gname.lo H5Gnode.lo H5Gobj.lo H5Goh.lo H5Gstab.lo \
H5Gtest.lo H5Gtraverse.lo H5HF.lo H5HFcache.lo H5HFdbg.lo \
- H5HFdblock.lo H5HFdtable.lo H5HFflist.lo H5HFhdr.lo \
- H5HFiblock.lo H5HFint.lo H5HFiter.lo H5HFstat.lo H5HFtest.lo \
- H5HG.lo H5HGdbg.lo H5HL.lo H5HLdbg.lo H5HP.lo H5I.lo H5MF.lo \
- H5MM.lo H5MP.lo H5MPtest.lo H5O.lo H5Oattr.lo H5Obogus.lo \
- H5Ocache.lo H5Ocont.lo H5Odtype.lo H5Oefl.lo H5Ofill.lo \
- H5Oginfo.lo H5Olayout.lo H5Olinfo.lo H5Olink.lo H5Omtime.lo \
- H5Oname.lo H5Onull.lo H5Opline.lo H5Osdspace.lo H5Oshared.lo \
- H5Ostab.lo H5P.lo H5Pacpl.lo H5Pdcpl.lo H5Pdxpl.lo H5Pfapl.lo \
- H5Pfcpl.lo H5Pgcpl.lo H5Pocpl.lo H5Ptest.lo H5R.lo H5RC.lo \
- H5RS.lo H5S.lo H5Sall.lo H5Shyper.lo H5Smpio.lo H5Snone.lo \
- H5Spoint.lo H5Sselect.lo H5Stest.lo H5SL.lo H5ST.lo H5T.lo \
- H5Tarray.lo H5Tbit.lo H5Tcommit.lo H5Tcompound.lo H5Tconv.lo \
- H5Tcset.lo H5Tenum.lo H5Tfields.lo H5Tfixed.lo H5Tfloat.lo \
- H5Tinit.lo H5Tnative.lo H5Toffset.lo H5Toh.lo H5Topaque.lo \
- H5Torder.lo H5Tpad.lo H5Tprecis.lo H5Tstrpad.lo H5Tvlen.lo \
- H5TS.lo H5V.lo H5Z.lo H5Zdeflate.lo H5Zfletcher32.lo \
- H5Znbit.lo H5Zshuffle.lo H5Zszip.lo H5Zscaleoffset.lo \
- H5Ztrans.lo
+ H5HFdblock.lo H5HFdtable.lo H5HFhdr.lo \
+ H5HFiblock.lo H5HFint.lo H5HFiter.lo H5HFsection.lo \
+ H5HFspace.lo H5HFstat.lo H5HFtest.lo H5HG.lo H5HGdbg.lo H5HL.lo H5HLdbg.lo \
+ H5HP.lo H5I.lo H5MF.lo H5MM.lo H5MP.lo H5MPtest.lo H5O.lo \
+ H5Oattr.lo H5Obogus.lo H5Ocache.lo H5Ocont.lo H5Odtype.lo \
+ H5Oefl.lo H5Ofill.lo H5Oginfo.lo H5Olayout.lo H5Olinfo.lo \
+ H5Olink.lo H5Omtime.lo H5Oname.lo H5Onull.lo H5Opline.lo \
+ H5Osdspace.lo H5Oshared.lo H5Ostab.lo H5P.lo H5Pacpl.lo \
+ H5Pdcpl.lo H5Pdxpl.lo H5Pfapl.lo H5Pfcpl.lo H5Pgcpl.lo \
+ H5Pocpl.lo H5Ptest.lo H5R.lo H5RC.lo H5RS.lo H5S.lo H5Sall.lo \
+ H5Shyper.lo H5Smpio.lo H5Snone.lo H5Spoint.lo H5Sselect.lo \
+ H5Stest.lo H5SL.lo H5ST.lo H5T.lo H5Tarray.lo H5Tbit.lo \
+ H5Tcommit.lo H5Tcompound.lo H5Tconv.lo H5Tcset.lo H5Tenum.lo \
+ H5Tfields.lo H5Tfixed.lo H5Tfloat.lo H5Tinit.lo H5Tnative.lo \
+ H5Toffset.lo H5Toh.lo H5Topaque.lo H5Torder.lo H5Tpad.lo \
+ H5Tprecis.lo H5Tstrpad.lo H5Tvlen.lo H5TS.lo H5V.lo H5Z.lo \
+ H5Zdeflate.lo H5Zfletcher32.lo H5Znbit.lo H5Zshuffle.lo \
+ H5Zszip.lo H5Zscaleoffset.lo H5Ztrans.lo
libhdf5_la_OBJECTS = $(am_libhdf5_la_OBJECTS)
PROGRAMS = $(noinst_PROGRAMS)
H5detect_SOURCES = H5detect.c
@@ -407,13 +407,15 @@ libhdf5_la_SOURCES = H5.c H5dbg.c H5A.c H5AC.c H5B.c H5Bcache.c \
H5FDfamily.c H5FDlog.c H5FDmpi.c H5FDmpio.c \
H5FDmpiposix.c H5FDmulti.c H5FDsec2.c H5FDstdio.c \
H5FDstream.c H5FL.c H5FO.c \
+ H5FS.c H5FScache.c H5FSdbg.c \
H5G.c H5Gent.c H5Glink.c H5Gloc.c H5Gname.c H5Gnode.c H5Gobj.c \
H5Goh.c \
H5Gstab.c \
H5Gtest.c \
H5Gtraverse.c \
- H5HF.c H5HFcache.c H5HFdbg.c H5HFdblock.c H5HFdtable.c H5HFflist.c \
- H5HFhdr.c H5HFiblock.c H5HFint.c H5HFiter.c H5HFstat.c H5HFtest.c \
+ H5HF.c H5HFcache.c H5HFdbg.c H5HFdblock.c H5HFdtable.c \
+ H5HFhdr.c H5HFiblock.c H5HFint.c H5HFiter.c H5HFsection.c \
+ H5HFspace.c H5HFstat.c H5HFtest.c \
H5HG.c H5HGdbg.c H5HL.c H5HLdbg.c H5HP.c H5I.c H5MF.c H5MM.c \
H5MP.c H5MPtest.c \
H5O.c \
@@ -608,6 +610,9 @@ distclean-compile:
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/H5Fmount.Plo@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/H5Fsfile.Plo@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/H5Fsuper.Plo@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/H5FS.Plo@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/H5FScache.Plo@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/H5FSdbg.Plo@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/H5G.Plo@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/H5Gent.Plo@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/H5Glink.Plo@am__quote@
@@ -624,11 +629,12 @@ distclean-compile:
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/H5HFdbg.Plo@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/H5HFdblock.Plo@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/H5HFdtable.Plo@am__quote@
-@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/H5HFflist.Plo@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/H5HFhdr.Plo@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/H5HFiblock.Plo@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/H5HFint.Plo@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/H5HFiter.Plo@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/H5HFsection.Plo@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/H5HFspace.Plo@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/H5HFstat.Plo@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/H5HFtest.Plo@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/H5HG.Plo@am__quote@