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diff --git a/src/H5FSsection.c b/src/H5FSsection.c
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+/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
+ * 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@hdfgroup.org>
+ * Monday, July 31, 2006
+ *
+ * Purpose: Free space tracking functions.
+ *
+ */
+
+/****************/
+/* 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 */
+#include "H5MFprivate.h" /* File memory management */
+#include "H5Vprivate.h" /* Vectors and arrays */
+
+/****************/
+/* Local Macros */
+/****************/
+
+/* Default starting size of section buffer */
+#define H5FS_SINFO_SIZE_DEFAULT 64
+
+/* Max. height of the skip list holding free list nodes */
+#define H5FS_DEFAULT_SKIPLIST_HEIGHT 16
+
+
+/******************/
+/* Local Typedefs */
+/******************/
+
+/* 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_ud_t;
+
+
+/********************/
+/* Package Typedefs */
+/********************/
+
+
+/********************/
+/* Local Prototypes */
+/********************/
+static herr_t H5FS_sect_increase(H5F_t *f, hid_t dxpl_id, H5FS_t *fspace,
+ const H5FS_section_class_t *cls);
+static herr_t H5FS_sect_decrease(H5F_t *f, hid_t dxpl_id, H5FS_t *fspace,
+ const H5FS_section_class_t *cls);
+static herr_t H5FS_size_node_decr(H5FS_sinfo_t *sinfo, unsigned bin, H5FS_node_t *fspace_node,
+ const H5FS_section_class_t *cls);
+static herr_t H5FS_sect_unlink_size(H5FS_sinfo_t *sinfo, const H5FS_section_class_t *cls,
+ H5FS_section_info_t *sect);
+static herr_t H5FS_sect_unlink_rest(H5F_t *f, hid_t dxpl_id, H5FS_t *fspace,
+ const H5FS_section_class_t *cls, H5FS_section_info_t *sect);
+static herr_t H5FS_sect_link_size(H5FS_sinfo_t *sinfo, const H5FS_section_class_t *cls,
+ H5FS_section_info_t *sect);
+static herr_t H5FS_sect_link_rest(H5F_t *f, hid_t dxpl_id, H5FS_t *fspace,
+ const H5FS_section_class_t *cls, H5FS_section_info_t *sect);
+static herr_t H5FS_sect_link(H5F_t *f, hid_t dxpl_id, H5FS_t *fspace,
+ H5FS_section_info_t *sect);
+static herr_t H5FS_sect_merge(H5F_t *f, hid_t dxpl_id, H5FS_t *fspace,
+ H5FS_section_info_t **sect, void *op_data);
+static htri_t H5FS_sect_find_node(H5FS_t *fspace, hsize_t request, H5FS_section_info_t **node);
+static herr_t H5FS_sect_serialize_size(H5F_t *f, hid_t dxpl_id, H5FS_t *fspace);
+
+
+/*********************/
+/* Package Variables */
+/*********************/
+
+/* Declare a free list to manage the H5FS_node_t struct */
+H5FL_DEFINE(H5FS_node_t);
+
+/* Declare a free list to manage the H5FS_bin_t sequence information */
+H5FL_SEQ_DEFINE(H5FS_bin_t);
+
+/* Declare a free list to manage the H5FS_sinfo_t struct */
+H5FL_DEFINE(H5FS_sinfo_t);
+
+
+/*****************************/
+/* Library Private Variables */
+/*****************************/
+
+
+/*******************/
+/* Local Variables */
+/*******************/
+
+
+
+/*-------------------------------------------------------------------------
+ * Function: H5FS_sinfo_new
+ *
+ * Purpose: Create new section info structure
+ *
+ * Return: Success: non-NULL, pointer to new section info struct
+ * Failure: NULL
+ *
+ * Programmer: Quincey Koziol
+ * Monday, July 31, 2006
+ *
+ *-------------------------------------------------------------------------
+ */
+H5FS_sinfo_t *
+H5FS_sinfo_new(H5F_t *f, H5FS_t *fspace)
+{
+ H5FS_sinfo_t *sinfo = NULL; /* Section information struct created */
+ H5FS_sinfo_t *ret_value; /* Return value */
+
+ FUNC_ENTER_NOAPI_NOINIT(H5FS_sinfo_new)
+
+ /* Check arguments. */
+ HDassert(f);
+ HDassert(fspace);
+
+ /* Allocate the free space header */
+ if(NULL == (sinfo = H5FL_CALLOC(H5FS_sinfo_t)))
+ HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, NULL, "memory allocation failed")
+
+ /* Set non-zero values */
+ sinfo->nbins = H5V_log2_gen(fspace->max_sect_size);
+ sinfo->sect_prefix_size = H5FS_SINFO_PREFIX_SIZE(f);
+ sinfo->sect_off_size = (fspace->max_sect_addr + 7) / 8;
+ sinfo->sect_len_size = (H5V_log2_gen(fspace->max_sect_size) + 7) / 8;
+ sinfo->fspace = fspace;
+#ifdef QAK
+HDfprintf(stderr, "%s: sinfo->nbins = %u\n", FUNC, sinfo->nbins);
+HDfprintf(stderr, "%s: sinfo->sect_off_size = %u, sinfo->sect_len_size = %u\n", FUNC, sinfo->sect_off_size, sinfo->sect_len_size);
+#endif /* QAK */
+
+ /* Allocate space for the section size bins */
+ if(NULL == (sinfo->bins = H5FL_SEQ_CALLOC(H5FS_bin_t, sinfo->nbins)))
+ HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, NULL, "memory allocation failed for free space section bin array")
+
+ /* Set return value */
+ ret_value = sinfo;
+
+done:
+ FUNC_LEAVE_NOAPI(ret_value)
+} /* H5FS_sinfo_new() */
+
+
+/*-------------------------------------------------------------------------
+ * Function: H5FS_sinfo_pin
+ *
+ * Purpose: Pin the section info for the free space manager in memory
+ * Either loads section info from disk, or creates new section info
+ *
+ * Return: Success: non-NULL, pointer to section info struct
+ * Failure: NULL
+ *
+ * Programmer: Quincey Koziol
+ * Monday, July 31, 2006
+ *
+ *-------------------------------------------------------------------------
+ */
+static H5FS_sinfo_t *
+H5FS_sinfo_pin(H5F_t *f, hid_t dxpl_id, H5FS_t *fspace)
+{
+ H5FS_sinfo_t *sinfo; /* Section information struct created */
+ H5FS_sinfo_t *ret_value; /* Return value */
+
+ FUNC_ENTER_NOAPI_NOINIT(H5FS_sinfo_pin)
+
+ /* Check arguments. */
+ HDassert(f);
+ HDassert(fspace);
+
+ /* Create new section info, if it doesn't exist yet */
+ if(!H5F_addr_defined(fspace->sect_addr)) {
+ /* Sanity check */
+ HDassert(fspace->tot_sect_count == 0);
+ HDassert(fspace->serial_sect_count == 0);
+ HDassert(fspace->ghost_sect_count == 0);
+
+ /* Allocate and initialize free space section info */
+ if(NULL == (sinfo = H5FS_sinfo_new(f, fspace)))
+ HGOTO_ERROR(H5E_FSPACE, H5E_CANTCREATE, NULL, "can't create section info")
+
+ /* Allocate space for the section info */
+ fspace->sect_size = H5FS_SINFO_SIZE_DEFAULT;
+ fspace->alloc_sect_size = (size_t)fspace->sect_size;
+ if(HADDR_UNDEF == (fspace->sect_addr = H5MF_alloc(f, H5FD_MEM_FSPACE_SINFO, dxpl_id, fspace->alloc_sect_size)))
+ HGOTO_ERROR(H5E_STORAGE, H5E_NOSPACE, NULL, "file allocation failed for free space sections")
+
+ /* Cache the new free space section info */
+ if(H5AC_set(f, dxpl_id, H5AC_FSPACE_SINFO, fspace->sect_addr, sinfo, H5AC__NO_FLAGS_SET) < 0)
+ HGOTO_ERROR(H5E_FSPACE, H5E_CANTINIT, NULL, "can't add free space sections to cache")
+ sinfo = NULL;
+
+ /* Mark free space header as dirty */
+ if(H5AC_mark_pinned_or_protected_entry_dirty(f, fspace) < 0)
+ HGOTO_ERROR(H5E_FSPACE, H5E_CANTMARKDIRTY, NULL, "unable to mark free space header as dirty")
+ } /* end if */
+
+ /* Protect the free space sections */
+ if(NULL == (sinfo = H5AC_protect(f, dxpl_id, H5AC_FSPACE_SINFO, fspace->sect_addr, NULL, fspace, H5AC_WRITE)))
+ HGOTO_ERROR(H5E_FSPACE, H5E_CANTPROTECT, NULL, "unable to load free space sections")
+
+ /* Pin them in the cache */
+ if(H5AC_pin_protected_entry(f, sinfo) < 0)
+ HGOTO_ERROR(H5E_FSPACE, H5E_CANTPIN, NULL, "unable to pin free space sections")
+
+ /* Unlock free space sections, now pinned */
+ if(H5AC_unprotect(f, dxpl_id, H5AC_FSPACE_SINFO, fspace->sect_addr, sinfo, H5AC__NO_FLAGS_SET) < 0)
+ HGOTO_ERROR(H5E_FSPACE, H5E_CANTUNPROTECT, NULL, "unable to release free space sections")
+
+ /* Update pointer to free space header for section info */
+ sinfo->fspace = fspace;
+
+ /* Set return value */
+ ret_value = sinfo;
+
+done:
+ FUNC_LEAVE_NOAPI(ret_value)
+} /* H5FS_sinfo_pin() */
+
+
+/*-------------------------------------------------------------------------
+ * 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,
+ const H5FS_section_class_t *cls)
+{
+ herr_t ret_value = SUCCEED; /* Return value */
+
+ FUNC_ENTER_NOAPI_NOINIT(H5FS_sect_increase)
+
+ /* Check arguments. */
+ HDassert(fspace);
+ HDassert(fspace->sinfo);
+ HDassert(cls);
+
+ /* Increment total # of sections on free space list */
+ fspace->tot_sect_count++;
+
+ /* Check for serializable or 'ghost' section */
+ if(cls->flags & H5FS_CLS_GHOST_OBJ) {
+ /* Sanity check */
+ HDassert(cls->serial_size == 0);
+
+ /* Increment # of ghost sections */
+ fspace->ghost_sect_count++;
+ } /* end if */
+ else {
+ /* Increment # of serializable sections */
+ fspace->serial_sect_count++;
+
+ /* Increment amount of space required to serialize all sections */
+#ifdef QAK
+HDfprintf(stderr, "%s: sinfo->serial_size = %Zu\n", FUNC, sinfo->serial_size);
+HDfprintf(stderr, "%s: cls->serial_size = %Zu\n", FUNC, cls->serial_size);
+#endif /* QAK */
+ fspace->sinfo->serial_size += cls->serial_size;
+
+ /* Update the free space sections' serialized size */
+ if(H5FS_sect_serialize_size(f, dxpl_id, fspace) < 0)
+ HGOTO_ERROR(H5E_FSPACE, H5E_CANTCOMPUTE, FAIL, "can't adjust free space section size on disk")
+ } /* end else */
+
+ /* Mark free space header as dirty */
+ if(H5AC_mark_pinned_or_protected_entry_dirty(f, fspace) < 0)
+ HGOTO_ERROR(H5E_FSPACE, H5E_CANTMARKDIRTY, FAIL, "unable to mark free space header as dirty")
+
+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, const H5FS_section_class_t *cls)
+{
+ herr_t ret_value = SUCCEED; /* Return value */
+
+ FUNC_ENTER_NOAPI_NOINIT(H5FS_sect_decrease)
+
+ /* Check arguments. */
+ HDassert(fspace);
+ HDassert(fspace->sinfo);
+ HDassert(cls);
+
+ /* Decrement total # of sections in free space manager */
+ fspace->tot_sect_count--;
+
+ /* Check for serializable or 'ghost' section */
+ if(cls->flags & H5FS_CLS_GHOST_OBJ) {
+ /* Sanity check */
+ HDassert(cls->serial_size == 0);
+
+ /* Decrement # of ghost sections */
+ fspace->ghost_sect_count--;
+ } /* end if */
+ else {
+ /* Decrement # of serializable sections */
+ fspace->serial_sect_count--;
+
+ /* Decrement 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: cls->serial_size = %Zu\n", FUNC, cls->serial_size);
+#endif /* QAK */
+ fspace->sinfo->serial_size -= cls->serial_size;
+
+ /* Update the free space sections' serialized size */
+ if(H5FS_sect_serialize_size(f, dxpl_id, fspace) < 0)
+ HGOTO_ERROR(H5E_FSPACE, H5E_CANTCOMPUTE, FAIL, "can't adjust free space section size on disk")
+ } /* end else */
+
+ /* Mark free space header as dirty */
+ if(H5AC_mark_pinned_or_protected_entry_dirty(f, fspace) < 0)
+ HGOTO_ERROR(H5E_FSPACE, H5E_CANTMARKDIRTY, FAIL, "unable to mark free space header as dirty")
+
+done:
+ FUNC_LEAVE_NOAPI(ret_value)
+} /* H5FS_sect_decrease() */
+
+
+/*-------------------------------------------------------------------------
+ * Function: H5FS_size_node_decr
+ *
+ * Purpose: Decrement the number of sections of a particular size
+ *
+ * Return: Success: non-negative
+ * Failure: negative
+ *
+ * Programmer: Quincey Koziol
+ * Wednesday, May 17, 2006
+ *
+ *-------------------------------------------------------------------------
+ */
+static herr_t
+H5FS_size_node_decr(H5FS_sinfo_t *sinfo, unsigned bin, H5FS_node_t *fspace_node,
+ const H5FS_section_class_t *cls)
+{
+ herr_t ret_value = SUCCEED; /* Return value */
+
+ FUNC_ENTER_NOAPI_NOINIT(H5FS_size_node_decr)
+
+ /* Check arguments. */
+ HDassert(sinfo);
+ HDassert(fspace_node);
+ HDassert(cls);
+
+ /* 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...)
+ */
+ sinfo->bins[bin].tot_sect_count--;
+#ifdef QAK
+HDfprintf(stderr, "%s: sinfo->bins[%u].sect_count = %Zu\n", FUNC, bin, sinfo->bins[bin].sect_count);
+#endif /* QAK */
+
+ /* Check for 'ghost' or 'serializable' section */
+ if(cls->flags & H5FS_CLS_GHOST_OBJ) {
+ /* Decrement node's ghost section count */
+ fspace_node->ghost_count--;
+
+ /* Decrement bin's ghost section count */
+ sinfo->bins[bin].ghost_sect_count--;
+
+ /* If the node has no more ghost sections, decrement number of ghost section sizes managed */
+ if(fspace_node->ghost_count == 0)
+ sinfo->ghost_size_count--;
+ } /* end if */
+ else {
+ /* Decrement node's serializable section count */
+ fspace_node->serial_count--;
+
+ /* Decrement bin's serializable section count */
+ sinfo->bins[bin].serial_sect_count--;
+
+ /* If the node has no more serializable sections, decrement number of serializable section sizes managed */
+ if(fspace_node->serial_count == 0)
+ sinfo->serial_size_count--;
+ } /* end else */
+
+ /* 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 */
+
+ /* Sanity checks */
+ HDassert(fspace_node->ghost_count == 0);
+ HDassert(fspace_node->serial_count == 0);
+
+ /* Remove size tracking list from bin */
+ tmp_fspace_node = H5SL_remove(sinfo->bins[bin].bin_list, &fspace_node->sect_size);
+ if(tmp_fspace_node == NULL || tmp_fspace_node != fspace_node)
+ HGOTO_ERROR(H5E_FSPACE, H5E_CANTREMOVE, 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 total number of section sizes managed */
+ sinfo->tot_size_count--;
+ } /* end if */
+
+done:
+ FUNC_LEAVE_NOAPI(ret_value)
+} /* H5FS_size_node_decr() */
+
+
+/*-------------------------------------------------------------------------
+ * Function: H5FS_sect_unlink_size
+ *
+ * Purpose: Remove a section node from size tracking data structures for
+ * a free space manager
+ *
+ * Return: Success: non-negative
+ * Failure: negative
+ *
+ * Programmer: Quincey Koziol
+ * Wednesday, May 17, 2006
+ *
+ *-------------------------------------------------------------------------
+ */
+static herr_t
+H5FS_sect_unlink_size(H5FS_sinfo_t *sinfo, const H5FS_section_class_t *cls,
+ H5FS_section_info_t *sect)
+{
+ H5FS_node_t *fspace_node; /* Free list size node */
+ H5FS_section_info_t *tmp_sect_node; /* Temporary section node */
+ unsigned bin; /* Bin to put the free space section in */
+ herr_t ret_value = SUCCEED; /* Return value */
+
+ FUNC_ENTER_NOAPI_NOINIT(H5FS_sect_unlink_size)
+
+ /* Check arguments. */
+ HDassert(sinfo);
+ HDassert(sinfo->bins);
+ HDassert(sect);
+ HDassert(cls);
+
+ /* Determine correct bin which holds items of at least the section's size */
+ bin = H5V_log2_gen(sect->size);
+ HDassert(bin < sinfo->nbins);
+ if(sinfo->bins[bin].bin_list == NULL)
+ HGOTO_ERROR(H5E_FSPACE, H5E_NOTFOUND, FAIL, "node's bin is empty?")
+
+ /* Find space node for section's size */
+ if((fspace_node = H5SL_search(sinfo->bins[bin].bin_list, &sect->size)) == NULL)
+ HGOTO_ERROR(H5E_FSPACE, H5E_NOTFOUND, FAIL, "can't find section size node")
+
+ /* Remove the section's node from the list */
+ tmp_sect_node = H5SL_remove(fspace_node->sect_list, &sect->addr);
+ if(tmp_sect_node == NULL || tmp_sect_node != sect)
+ HGOTO_ERROR(H5E_FSPACE, H5E_NOTFOUND, FAIL, "can't find section node on size list")
+
+ /* Decrement # of sections in section size node */
+ if(H5FS_size_node_decr(sinfo, bin, fspace_node, cls) < 0)
+ HGOTO_ERROR(H5E_FSPACE, H5E_CANTREMOVE, FAIL, "can't remove free space size node from skip list")
+
+done:
+ FUNC_LEAVE_NOAPI(ret_value)
+} /* H5FS_sect_unlink_size() */
+
+
+/*-------------------------------------------------------------------------
+ * Function: H5FS_sect_unlink_rest
+ *
+ * Purpose: Finish unlinking a section from the rest of the free space
+ * manager's data structures, after the section has been removed
+ * from the size tracking data structures
+ *
+ * Return: Success: non-negative
+ *
+ * Failure: negative
+ *
+ * Programmer: Quincey Koziol
+ * Wednesday, May 17, 2006
+ *
+ *-------------------------------------------------------------------------
+ */
+static herr_t
+H5FS_sect_unlink_rest(H5F_t *f, hid_t dxpl_id, H5FS_t *fspace,
+ const H5FS_section_class_t *cls, H5FS_section_info_t *sect)
+{
+ herr_t ret_value = SUCCEED; /* Return value */
+
+ FUNC_ENTER_NOAPI_NOINIT(H5FS_sect_unlink_rest)
+
+ /* Check arguments. */
+ HDassert(f);
+ HDassert(fspace);
+ HDassert(fspace->sinfo);
+ HDassert(cls);
+ HDassert(sect);
+
+ /* Remove node from merge list, if it was entered there */
+ if(!(cls->flags & H5FS_CLS_SEPAR_OBJ)) {
+ H5FS_section_info_t *tmp_sect_node; /* Temporary section node */
+
+#ifdef QAK
+HDfprintf(stderr, "%s: removing object from merge list, sect->type = %u\n", FUNC, (unsigned)sect->type);
+#endif /* QAK */
+ tmp_sect_node = H5SL_remove(fspace->sinfo->merge_list, &sect->addr);
+ if(tmp_sect_node == NULL || tmp_sect_node != sect)
+ HGOTO_ERROR(H5E_FSPACE, H5E_NOTFOUND, FAIL, "can't find section node on size list")
+ } /* end if */
+
+ /* Update section info & check if we need less room for the serialized free space sections */
+ if(H5FS_sect_decrease(f, dxpl_id, fspace, cls) < 0)
+ HGOTO_ERROR(H5E_FSPACE, H5E_CANTINSERT, FAIL, "can't increase free space section size on disk")
+
+ /* Decrement amount of free space managed */
+#ifdef QAK
+HDfprintf(stderr, "%s: fspace->tot_space = %Hu\n", FUNC, fspace->tot_space);
+#endif /* QAK */
+ fspace->tot_space -= sect->size;
+
+ /* Mark free space sections as changed */
+ if(H5AC_mark_pinned_or_protected_entry_dirty(f, fspace->sinfo) < 0)
+ HGOTO_ERROR(H5E_FSPACE, H5E_CANTMARKDIRTY, FAIL, "unable to mark free space sections as dirty")
+
+done:
+ FUNC_LEAVE_NOAPI(ret_value)
+} /* H5FS_sect_unlink_rest() */
+
+
+/*-------------------------------------------------------------------------
+ * Function: H5FS_sect_remove
+ *
+ * Purpose: Remove a section from the free space manager
+ *
+ * Return: Success: non-negative
+ * Failure: negative
+ *
+ * Programmer: Quincey Koziol
+ * Wednesday, May 17, 2006
+ *
+ *-------------------------------------------------------------------------
+ */
+herr_t
+H5FS_sect_remove(H5F_t *f, hid_t dxpl_id, H5FS_t *fspace,
+ H5FS_section_info_t *sect)
+{
+ const H5FS_section_class_t *cls; /* Class of section */
+ herr_t ret_value = SUCCEED; /* Return value */
+
+ FUNC_ENTER_NOAPI_NOINIT(H5FS_sect_remove)
+
+ /* Check arguments. */
+ HDassert(f);
+ HDassert(fspace);
+ HDassert(fspace->sinfo);
+ HDassert(sect);
+
+ /* Get section's class */
+ cls = &fspace->sect_cls[sect->type];
+
+ /* Remove node from size tracked data structures */
+ if(H5FS_sect_unlink_size(fspace->sinfo, cls, sect) < 0)
+ HGOTO_ERROR(H5E_FSPACE, H5E_CANTFREE, FAIL, "can't remove section from size tracking data structures")
+
+ /* Update rest of free space manager data structures for node removal */
+ if(H5FS_sect_unlink_rest(f, dxpl_id, fspace, cls, sect) < 0)
+ HGOTO_ERROR(H5E_FSPACE, H5E_CANTFREE, FAIL, "can't remove section from non-size tracking data structures")
+
+done:
+ FUNC_LEAVE_NOAPI(ret_value)
+} /* H5FS_sect_remove() */
+
+
+/*-------------------------------------------------------------------------
+ * Function: H5FS_sect_link_size
+ *
+ * Purpose: Add a section of free space to the free list bins
+ *
+ * Return: Success: non-negative
+ * Failure: negative
+ *
+ * Programmer: Quincey Koziol
+ * Monday, March 20, 2006
+ *
+ *-------------------------------------------------------------------------
+ */
+static herr_t
+H5FS_sect_link_size(H5FS_sinfo_t *sinfo, const H5FS_section_class_t *cls,
+ H5FS_section_info_t *sect)
+{
+ 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_sect_link_size)
+#ifdef QAK
+HDfprintf(stderr, "%s: sect->size = %Hu, sect->addr = %a\n", FUNC, sect->size, sect->addr);
+#endif /* QAK */
+
+ /* Check arguments. */
+ HDassert(sinfo);
+ HDassert(sect);
+ HDassert(H5F_addr_defined(sect->addr));
+ HDassert(sect->size);
+
+ /* Determine correct bin which holds items of the section's size */
+ bin = H5V_log2_gen(sect->size);
+ HDassert(bin < sinfo->nbins);
+ if(sinfo->bins[bin].bin_list == NULL) {
+ if(NULL == (sinfo->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(sinfo->bins[bin].bin_list, &sect->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 = sect->size;
+ fspace_node->serial_count = fspace_node->ghost_count = 0;
+ 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(sinfo->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 */
+ sinfo->tot_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: sinfo->bins[%u].sect_count = %Zu\n", FUNC, bin, sinfo->bins[bin].sect_count);
+#endif /* QAK */
+ sinfo->bins[bin].tot_sect_count++;
+ if(cls->flags & H5FS_CLS_GHOST_OBJ) {
+ sinfo->bins[bin].ghost_sect_count++;
+ fspace_node->ghost_count++;
+
+ /* Check for first ghost section in node */
+ if(fspace_node->ghost_count == 1)
+ sinfo->ghost_size_count++;
+ } /* end if */
+ else {
+ sinfo->bins[bin].serial_sect_count++;
+ fspace_node->serial_count++;
+
+ /* Check for first serializable section in node */
+ if(fspace_node->serial_count == 1)
+ sinfo->serial_size_count++;
+ } /* end else */
+
+ /* Insert free space node into correct skip list */
+ if(H5SL_insert(fspace_node->sect_list, sect, &sect->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_sect_link_size() */
+
+
+/*-------------------------------------------------------------------------
+ * Function: H5FS_sect_link_rest
+ *
+ * Purpose: Link a section into the rest of the non-size tracking
+ * free space manager data structures
+ *
+ * Return: Success: non-negative
+ *
+ * Failure: negative
+ *
+ * Programmer: Quincey Koziol
+ * Wednesday, May 17, 2006
+ *
+ *-------------------------------------------------------------------------
+ */
+static herr_t
+H5FS_sect_link_rest(H5F_t *f, hid_t dxpl_id, H5FS_t *fspace, const H5FS_section_class_t *cls,
+ H5FS_section_info_t *sect)
+{
+ herr_t ret_value = SUCCEED; /* Return value */
+
+ FUNC_ENTER_NOAPI_NOINIT(H5FS_sect_link_rest)
+
+ /* Check arguments. */
+ HDassert(f);
+ HDassert(fspace);
+ HDassert(fspace->sinfo);
+ HDassert(sect);
+
+ /* Add section to the address-ordered list of sections, if allowed */
+ if(!(cls->flags & H5FS_CLS_SEPAR_OBJ)) {
+#ifdef QAK
+HDfprintf(stderr, "%s: inserting object into merge list, sect->type = %u\n", FUNC, (unsigned)sect->type);
+#endif /* QAK */
+ if(fspace->sinfo->merge_list == NULL)
+ if(NULL == (fspace->sinfo->merge_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 merging free space sections")
+ if(H5SL_insert(fspace->sinfo->merge_list, sect, &sect->addr) < 0)
+ HGOTO_ERROR(H5E_FSPACE, H5E_CANTINSERT, FAIL, "can't insert free space node into merging skip list")
+ } /* end if */
+
+ /* Update section info & check if we need more room for the serialized free space sections */
+ if(H5FS_sect_increase(f, dxpl_id, fspace, cls) < 0)
+ HGOTO_ERROR(H5E_FSPACE, H5E_CANTINSERT, FAIL, "can't increase free space section size on disk")
+
+ /* Increment amount of free space managed */
+ fspace->tot_space += sect->size;
+
+done:
+ FUNC_LEAVE_NOAPI(ret_value)
+} /* H5FS_sect_link_rest() */
+
+
+/*-------------------------------------------------------------------------
+ * Function: H5FS_sect_link
+ *
+ * Purpose: Link a section into the internal data structures
+ *
+ * Return: Success: non-negative
+ *
+ * Failure: negative
+ *
+ * Programmer: Quincey Koziol
+ * Wednesday, May 17, 2006
+ *
+ *-------------------------------------------------------------------------
+ */
+static herr_t
+H5FS_sect_link(H5F_t *f, hid_t dxpl_id, H5FS_t *fspace,
+ H5FS_section_info_t *sect)
+{
+ const H5FS_section_class_t *cls; /* Class of section */
+ herr_t ret_value = SUCCEED; /* Return value */
+
+ FUNC_ENTER_NOAPI_NOINIT(H5FS_sect_link)
+
+ /* Check arguments. */
+ HDassert(f);
+ HDassert(fspace);
+ HDassert(fspace->sinfo);
+ HDassert(sect);
+
+ /* Get section's class */
+ cls = &fspace->sect_cls[sect->type];
+
+ /* Add section to size tracked data structures */
+#ifdef QAK
+HDfprintf(stderr, "%s: Check 1.0 - fspace->tot_space = %Hu\n", FUNC, fspace->tot_space);
+#endif /* QAK */
+ if(H5FS_sect_link_size(fspace->sinfo, cls, sect) < 0)
+ HGOTO_ERROR(H5E_FSPACE, H5E_CANTINSERT, FAIL, "can't add section to size tracking data structures")
+
+#ifdef QAK
+HDfprintf(stderr, "%s: Check 2.0 - fspace->tot_space = %Hu\n", FUNC, fspace->tot_space);
+#endif /* QAK */
+ /* Update rest of free space manager data structures for section addition */
+ if(H5FS_sect_link_rest(f, dxpl_id, fspace, cls, sect) < 0)
+ HGOTO_ERROR(H5E_FSPACE, H5E_CANTINSERT, FAIL, "can't add section to non-size tracking data structures")
+#ifdef QAK
+HDfprintf(stderr, "%s: Check 3.0 - fspace->tot_space = %Hu\n", FUNC, fspace->tot_space);
+#endif /* QAK */
+
+done:
+ FUNC_LEAVE_NOAPI(ret_value)
+} /* H5FS_sect_link() */
+
+
+/*-------------------------------------------------------------------------
+ * Function: H5FS_sect_merge
+ *
+ * Purpose: Attempt to merge a returned free space section with existing
+ * free space.
+ *
+ * Return: Success: non-negative
+ *
+ * Failure: negative
+ *
+ * Programmer: Quincey Koziol
+ * Wednesday, May 17, 2006
+ *
+ *-------------------------------------------------------------------------
+ */
+static herr_t
+H5FS_sect_merge(H5F_t *f, hid_t dxpl_id, H5FS_t *fspace,
+ H5FS_section_info_t **sect, void *op_data)
+{
+ H5FS_section_class_t *sect_cls; /* Section's class */
+ H5FS_section_info_t *tmp_sect_node; /* Temporary free space section */
+ hbool_t modified; /* Flag to indicate merge or shrink occurred */
+ htri_t status; /* Status value */
+ herr_t ret_value = SUCCEED; /* Return value */
+
+ FUNC_ENTER_NOAPI_NOINIT(H5FS_sect_merge)
+
+ /* Check arguments. */
+ HDassert(fspace);
+ HDassert(*sect);
+ HDassert(H5F_addr_defined((*sect)->addr));
+ HDassert((*sect)->size);
+
+ /* Loop until no more merging */
+ if(fspace->sinfo->merge_list) {
+ do {
+ H5FS_section_class_t *tmp_sect_cls; /* Temporary section's class */
+
+ /* Reset 'modification occurred' flag */
+ modified = FALSE;
+
+ /* Look for neighboring section before new section */
+ tmp_sect_node = H5SL_less(fspace->sinfo->merge_list, &(*sect)->addr);
+
+ /* Check for node before new node able to merge with new node */
+ if(tmp_sect_node) {
+ /* Get classes for right & left sections */
+ tmp_sect_cls = &fspace->sect_cls[tmp_sect_node->type];
+ sect_cls = &fspace->sect_cls[(*sect)->type];
+
+ /* Check if sections of the left most class can merge with sections
+ * of another class & whether the sections are the same type,
+ * then check for 'can merge' callback
+ */
+ if((!(tmp_sect_cls->flags & H5FS_CLS_MERGE_SYM) || (tmp_sect_node->type == (*sect)->type))
+ && tmp_sect_cls->can_merge) {
+ /* Determine if the sections can merge */
+ if((status = (*tmp_sect_cls->can_merge)(tmp_sect_node, *sect, op_data)) < 0)
+ HGOTO_ERROR(H5E_FSPACE, H5E_CANTMERGE, FAIL, "can't check for merging sections")
+ if(status > 0) {
+ /* Sanity check */
+ HDassert(tmp_sect_cls->merge);
+
+ /* Remove 'less than' node from data structures */
+ if(H5FS_sect_remove(f, dxpl_id, fspace, tmp_sect_node) < 0)
+ HGOTO_ERROR(H5E_FSPACE, H5E_CANTRELEASE, FAIL, "can't remove section from internal data structures")
+
+ /* Merge the two sections together */
+ if((*tmp_sect_cls->merge)(tmp_sect_node, *sect, op_data) < 0)
+ HGOTO_ERROR(H5E_FSPACE, H5E_CANTINSERT, FAIL, "can't merge two sections")
+
+ /* Retarget section pointer to 'less than' node that was merged into */
+ *sect = tmp_sect_node;
+
+ /* Indicate successful merge occurred */
+ modified = TRUE;
+ } /* end if */
+ } /* end if */
+ } /* end if */
+
+ /* Look for section after new (or merged) section */
+ tmp_sect_node = H5SL_greater(fspace->sinfo->merge_list, &(*sect)->addr);
+
+ /* Check for node after new node able to merge with new node */
+ if(tmp_sect_node) {
+ /* Get classes for right & left sections */
+ sect_cls = &fspace->sect_cls[(*sect)->type];
+ tmp_sect_cls = &fspace->sect_cls[tmp_sect_node->type];
+
+ /* Check if sections of the left most class can merge with sections
+ * of another class & whether the sections are the same type,
+ * then check for 'can merge' callback
+ */
+ if((!(sect_cls->flags & H5FS_CLS_MERGE_SYM) || ((*sect)->type == tmp_sect_node->type))
+ && sect_cls->can_merge) {
+
+ /* Determine if the sections can merge */
+ if((status = (*sect_cls->can_merge)(*sect, tmp_sect_node, op_data)) < 0)
+ HGOTO_ERROR(H5E_FSPACE, H5E_CANTMERGE, FAIL, "can't check for merging sections")
+ if(status > 0) {
+ /* Sanity check */
+ HDassert(sect_cls->merge);
+
+ /* Remove 'greater than' node from data structures */
+ if(H5FS_sect_remove(f, dxpl_id, fspace, tmp_sect_node) < 0)
+ HGOTO_ERROR(H5E_FSPACE, H5E_CANTRELEASE, FAIL, "can't remove section from internal data structures")
+
+ /* Merge the two sections together */
+ if((*sect_cls->merge)(*sect, tmp_sect_node, op_data) < 0)
+ HGOTO_ERROR(H5E_FSPACE, H5E_CANTINSERT, FAIL, "can't merge two sections")
+
+ /* Indicate successful merge occurred */
+ modified = TRUE;
+ } /* end if */
+ } /* end if */
+ } /* end if */
+ } while(modified);
+ } /* end if */
+ HDassert(*sect);
+#ifdef QAK
+HDfprintf(stderr, "%s: Done merging, (*sect) = {%a, %Hu, %u, %s}\n", FUNC, (*sect)->addr, (*sect)->size, (*sect)->type, ((*sect)->state == H5FS_SECT_LIVE ? "H5FS_SECT_LIVE" : "H5FS_SECT_SERIALIZED"));
+#endif /* QAK */
+
+ /* Loop until no more shrinking */
+ do {
+ /* Reset 'modification occurred' flag */
+ modified = FALSE;
+
+ /* Check for (possibly merged) section able to shrink the size of the container */
+ sect_cls = &fspace->sect_cls[(*sect)->type];
+ if(sect_cls->can_shrink) {
+ if((status = (*sect_cls->can_shrink)(*sect, op_data)) < 0)
+ HGOTO_ERROR(H5E_FSPACE, H5E_CANTSHRINK, FAIL, "can't check for shrinking container")
+ if(status > 0) {
+#ifdef QAK
+HDfprintf(stderr, "%s: Can shrink!\n", FUNC);
+#endif /* QAK */
+ /* Look for neighboring section before new section */
+ if(fspace->sinfo->merge_list) {
+ tmp_sect_node = H5SL_less(fspace->sinfo->merge_list, &(*sect)->addr);
+
+ /* Make certain there isn't a section after the new section */
+ HDassert(H5SL_greater(fspace->sinfo->merge_list, &(*sect)->addr) == NULL);
+ } /* end if */
+ else
+ tmp_sect_node = NULL;
+
+ /* Shrink the container */
+ /* (callback can indicate that it has discarded the section by setting *sect to NULL) */
+ HDassert(sect_cls->shrink);
+ if((*sect_cls->shrink)(sect, op_data) < 0)
+ HGOTO_ERROR(H5E_FSPACE, H5E_CANTINSERT, FAIL, "can't shrink free space container")
+
+ /* Check if the new section was removed */
+ if(*sect == NULL && tmp_sect_node) {
+ /* Remove 'less than' node from data structures */
+ if(H5FS_sect_remove(f, dxpl_id, fspace, tmp_sect_node) < 0)
+ HGOTO_ERROR(H5E_FSPACE, H5E_CANTRELEASE, FAIL, "can't remove section from internal data structures")
+
+ *sect = tmp_sect_node;
+ } /* end if */
+
+ /* Indicate successful merge occurred */
+ modified = TRUE;
+ } /* end if */
+ } /* end if */
+ } while(modified && *sect);
+#ifdef QAK
+HDfprintf(stderr, "%s: Done shrinking\n", FUNC);
+if(*sect)
+ HDfprintf(stderr, "%s: (*sect) = {%a, %Hu, %u, %s}\n", FUNC, (*sect)->addr, (*sect)->size, (*sect)->type, ((*sect)->state == H5FS_SECT_LIVE ? "H5FS_SECT_LIVE" : "H5FS_SECT_SERIALIZED"));
+else
+ HDfprintf(stderr, "%s: *sect = %p\n", FUNC, *sect);
+#endif /* QAK */
+
+done:
+#ifdef QAK
+HDfprintf(stderr, "%s: Leaving, ret_value = %d\n", FUNC, ret_value);
+#endif /* QAK */
+ FUNC_LEAVE_NOAPI(ret_value)
+} /* H5FS_sect_merge() */
+
+
+/*-------------------------------------------------------------------------
+ * Function: H5FS_sect_add
+ *
+ * Purpose: Add a section of free space to the free list
+ *
+ * Return: Success: non-negative
+ *
+ * Failure: negative
+ *
+ * Programmer: Quincey Koziol
+ * Tuesday, March 7, 2006
+ *
+ *-------------------------------------------------------------------------
+ */
+herr_t
+H5FS_sect_add(H5F_t *f, hid_t dxpl_id, H5FS_t *fspace, H5FS_section_info_t *sect,
+ unsigned flags, void *op_data)
+{
+ H5FS_section_class_t *cls; /* Section's class */
+ herr_t ret_value = SUCCEED; /* Return value */
+
+ FUNC_ENTER_NOAPI(H5FS_sect_add, FAIL)
+
+#ifdef QAK
+HDfprintf(stderr, "%s: *sect = {%a, %Hu, %u, %s}\n", FUNC, sect->addr, sect->size, sect->type, (sect->state == H5FS_SECT_LIVE ? "H5FS_SECT_LIVE" : "H5FS_SECT_SERIALIZED"));
+#endif /* QAK */
+
+ /* Check arguments. */
+ HDassert(fspace);
+ HDassert(sect);
+ HDassert(H5F_addr_defined(sect->addr));
+ HDassert(sect->size);
+
+ /* Check if we need to go get the sections */
+ if(fspace->sinfo == NULL) {
+ if(NULL == (fspace->sinfo = H5FS_sinfo_pin(f, dxpl_id, fspace)))
+ HGOTO_ERROR(H5E_FSPACE, H5E_CANTDECODE, FAIL, "can't pin sections")
+ } /* end if */
+
+ /* Call "add" section class callback, if there is one */
+ cls = &fspace->sect_cls[sect->type];
+ if(cls->add) {
+ if((*cls->add)(sect, &flags, op_data) < 0)
+ HGOTO_ERROR(H5E_FSPACE, H5E_CANTINSERT, FAIL, "'add' section class callback failed")
+ } /* end if */
+
+ /* Check for merging returned space with existing section node */
+ if(flags & H5FS_ADD_RETURNED_SPACE) {
+#ifdef QAK
+HDfprintf(stderr, "%s: Returning space\n", FUNC);
+#endif /* QAK */
+
+ /* Attempt to merge returned section with existing sections */
+ if(H5FS_sect_merge(f, dxpl_id, fspace, &sect, op_data) < 0)
+ HGOTO_ERROR(H5E_FSPACE, H5E_CANTMERGE, FAIL, "can't merge sections")
+ } /* end if */
+
+ /* Add new (possibly merged) node to free sections data structures */
+ /* (If section has been completely merged or shrunk away, 'sect' will
+ * be NULL at this point - QAK)
+ */
+ if(sect)
+ if(H5FS_sect_link(f, dxpl_id, fspace, sect) < 0)
+ HGOTO_ERROR(H5E_FSPACE, H5E_CANTINSERT, FAIL, "can't insert free space section into skip list")
+
+#ifdef QAK
+HDfprintf(stderr, "%s: fspace->hdr->tot_space = %Hu\n", FUNC, fspace->hdr->tot_space);
+#endif /* QAK */
+ /* Mark free space sections as changed */
+ /* (if adding sections while deserializing sections, don't set the flag) */
+ if(!(flags & H5FS_ADD_DESERIALIZING)) {
+ if(H5AC_mark_pinned_or_protected_entry_dirty(f, fspace->sinfo) < 0)
+ HGOTO_ERROR(H5E_FSPACE, H5E_CANTMARKDIRTY, FAIL, "unable to mark free space sections as dirty")
+ } /* end if */
+
+done:
+#ifdef H5FS_DEBUG
+if(!(flags & (H5FS_ADD_DESERIALIZING | H5FS_ADD_SKIP_VALID)))
+ H5FS_assert(fspace);
+#endif /* H5FS_DEBUG */
+ FUNC_LEAVE_NOAPI(ret_value)
+} /* H5FS_sect_add() */
+
+
+/*-------------------------------------------------------------------------
+ * Function: H5FS_sect_find_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_sect_find_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_sect_find_node)
+
+ /* Check arguments. */
+ HDassert(fspace);
+ HDassert(fspace->sinfo);
+ HDassert(fspace->sinfo->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->sinfo->nbins);
+ while(bin < fspace->sinfo->nbins && fspace->sinfo->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->sinfo->nbins = %u\n", FUNC, fspace->sinfo->nbins);
+HDfprintf(stderr, "%s: bin = %u\n", FUNC, bin);
+#endif /* QAK */
+ if(bin < fspace->sinfo->nbins)
+ do {
+ /* Look for large enough free space section in this bin */
+ if(fspace->sinfo->bins[bin].bin_list)
+ /* Check for large enough list of sections on list */
+ if((fspace_node = H5SL_greater(fspace->sinfo->bins[bin].bin_list, &request))) {
+ const H5FS_section_class_t *cls; /* Class of section */
+
+ /* 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_CANTREMOVE, FAIL, "can't remove free space node from skip list")
+
+ /* Get section's class */
+ cls = &fspace->sect_cls[(*node)->type];
+
+ /* Decrement # of sections in section size node */
+ if(H5FS_size_node_decr(fspace->sinfo, bin, fspace_node, cls) < 0)
+ HGOTO_ERROR(H5E_FSPACE, H5E_CANTREMOVE, FAIL, "can't remove free space size node from skip list")
+
+ /* Indicate that we found a node for the request */
+ HGOTO_DONE(TRUE)
+ } /* end if */
+
+ /* Advance to next larger bin */
+ bin++;
+ } while(bin < fspace->sinfo->nbins);
+
+done:
+ FUNC_LEAVE_NOAPI(ret_value)
+} /* H5FS_sect_find_node() */
+
+
+/*-------------------------------------------------------------------------
+ * Function: H5FS_sect_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_sect_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_sect_find, FAIL)
+
+#ifdef QAK
+HDfprintf(stderr, "%s: request = %Hu\n", FUNC, request);
+#endif /* QAK */
+
+ /* Check arguments. */
+ HDassert(fspace);
+ HDassert(request);
+ HDassert(node);
+
+ /* Check if we need to go get the sections */
+ if(fspace->sinfo == NULL) {
+ if(NULL == (fspace->sinfo = H5FS_sinfo_pin(f, dxpl_id, fspace)))
+ HGOTO_ERROR(H5E_FSPACE, H5E_CANTDECODE, FAIL, "can't pin sections")
+ } /* end if */
+
+ /* Check for any sections on free space list */
+#ifdef QAK
+HDfprintf(stderr, "%s: fspace->tot_sect_count = %Hu\n", FUNC, fspace->tot_sect_count);
+HDfprintf(stderr, "%s: fspace->serial_sect_count = %Hu\n", FUNC, fspace->serial_sect_count);
+HDfprintf(stderr, "%s: fspace->ghost_sect_count = %Hu\n", FUNC, fspace->ghost_sect_count);
+#endif /* QAK */
+ if(fspace->tot_sect_count > 0) {
+ /* Look for node in bins */
+ if((ret_value = H5FS_sect_find_node(fspace, request, node)) < 0)
+ HGOTO_ERROR(H5E_FSPACE, H5E_CANTFREE, FAIL, "can't remove section from bins")
+
+ /* Decrement # of sections on free list, if we found an object */
+ if(ret_value > 0) {
+ const H5FS_section_class_t *cls; /* Class of section */
+
+ /* Get section's class */
+ cls = &fspace->sect_cls[(*node)->type];
+
+ /* Update rest of free space manager data structures for node removal */
+ if(H5FS_sect_unlink_rest(f, dxpl_id, fspace, cls, *node) < 0)
+ HGOTO_ERROR(H5E_FSPACE, H5E_CANTFREE, FAIL, "can't remove section from non-size tracking data structures")
+#ifdef QAK
+HDfprintf(stderr, "%s: (*node)->size = %Hu, (*node)->addr = %a, (*node)->type = %u\n", FUNC, (*node)->size, (*node)->addr, (*node)->type);
+#endif /* QAK */
+ } /* end if */
+ } /* end if */
+
+done:
+#ifdef H5FS_DEBUG
+ H5FS_assert(fspace);
+#endif /* H5FS_DEBUG */
+ FUNC_LEAVE_NOAPI(ret_value)
+} /* H5FS_sect_find() */
+
+
+/*-------------------------------------------------------------------------
+ * Function: H5FS_sect_serialize_size
+ *
+ * Purpose: Determine serialized size of all sections in free space manager
+ * And adjust space on disk for storing serialized sections
+ *
+ * Return: Success: non-negative
+ * Failure: negative
+ *
+ * Programmer: Quincey Koziol
+ * Monday, May 8, 2006
+ *
+ *-------------------------------------------------------------------------
+ */
+static herr_t
+H5FS_sect_serialize_size(H5F_t *f, hid_t dxpl_id, H5FS_t *fspace)
+{
+ herr_t ret_value = SUCCEED; /* Return value */
+
+ FUNC_ENTER_NOAPI_NOINIT(H5FS_sect_serialize_size)
+
+ /* Check arguments. */
+ HDassert(fspace);
+
+ /* Compute the size of the buffer required to serialize all the sections */
+ if(fspace->serial_sect_count > 0) {
+ size_t sect_buf_size; /* Section buffer size */
+
+ /* Serialized sections prefix */
+ sect_buf_size = fspace->sinfo->sect_prefix_size;
+
+ /* Count for each differently sized serializable section */
+#ifdef QAK
+ HDfprintf(stderr, "%s: fspace->sinfo->serial_size_count = %Zu\n", FUNC, fspace->sinfo->serial_size_count);
+ HDfprintf(stderr, "%s: fspace->serial_sect_count = %Hu\n", FUNC, fspace->serial_sect_count);
+#endif /* QAK */
+ sect_buf_size += fspace->sinfo->serial_size_count * MAX(1, ((H5V_log2_gen(fspace->serial_sect_count) + 7) / 8));
+
+ /* Size for each differently sized serializable section */
+ sect_buf_size += fspace->sinfo->serial_size_count * fspace->sinfo->sect_len_size;
+
+ /* Offsets of each section in address space */
+ sect_buf_size += fspace->serial_sect_count * fspace->sinfo->sect_off_size;
+
+ /* Class of each section */
+ sect_buf_size += fspace->serial_sect_count * 1;
+
+ /* Extra space required to serialize each section */
+ sect_buf_size += fspace->sinfo->serial_size;
+
+ /* Update section size in header */
+ fspace->sect_size = sect_buf_size;
+ } /* end if */
+ else
+ /* Reset section size in header */
+ fspace->sect_size = H5FS_SINFO_SIZE_DEFAULT;
+
+#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->sect_size > fspace->alloc_sect_size) {
+ size_t new_size; /* New size of space for serialized sections */
+ haddr_t old_addr; /* Old address of serialized sections */
+
+/* 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 serialized sections disk space */
+ old_addr = fspace->sect_addr;
+ if(H5MF_xfree(f, H5FD_MEM_FSPACE_SINFO, dxpl_id, old_addr, fspace->alloc_sect_size) < 0)
+ HGOTO_ERROR(H5E_FSPACE, H5E_CANTFREE, FAIL, "unable to free free space sections")
+
+ /* Compute new size */
+ new_size = fspace->alloc_sect_size;
+ while(new_size < fspace->sect_size)
+ new_size *= (double)fspace->expand_percent / 100.0;
+ fspace->alloc_sect_size = new_size;
+
+ /* Allocate space for the new serialized sections on disk */
+#ifdef QAK
+HDfprintf(stderr, "%s: Allocating space for larger serialized sections, new_size = %Zu\n", FUNC, new_size);
+#endif /* QAK */
+ if(HADDR_UNDEF == (fspace->sect_addr = H5MF_alloc(f, H5FD_MEM_FSPACE_SINFO, dxpl_id, (hsize_t)fspace->alloc_sect_size)))
+ HGOTO_ERROR(H5E_FSPACE, H5E_NOSPACE, FAIL, "file allocation failed for free space sections")
+
+ /* Move object in cache, if it actually was relocated */
+ if(H5F_addr_ne(fspace->sect_addr, old_addr)) {
+ if(H5AC_rename(f, H5AC_FSPACE_SINFO, old_addr, fspace->sect_addr) < 0)
+ HGOTO_ERROR(H5E_FSPACE, H5E_CANTRENAME, FAIL, "unable to move free space section info")
+ } /* end if */
+ else {
+ /* Mark free space section as dirty */
+ if(H5AC_mark_pinned_or_protected_entry_dirty(f, fspace->sinfo) < 0)
+ HGOTO_ERROR(H5E_FSPACE, H5E_CANTMARKDIRTY, FAIL, "unable to mark free space section info as dirty")
+ } /* end else */
+
+ /* Mark free space header as dirty */
+ if(H5AC_mark_pinned_or_protected_entry_dirty(f, fspace) < 0)
+ HGOTO_ERROR(H5E_FSPACE, H5E_CANTMARKDIRTY, FAIL, "unable to mark free space header as dirty")
+ } /* end if */
+ else {
+ size_t decrease_threshold; /* Size threshold for decreasing serialized section size */
+ size_t new_size; /* New size of space for serialized sections */
+ haddr_t old_addr; /* Old address of serialized sections */
+
+ /* Compute the threshold for decreasing the sections' serialized size */
+ decrease_threshold = ((size_t)fspace->alloc_sect_size * (double)fspace->shrink_percent) / 100.0;
+
+ if(fspace->alloc_sect_size > H5FS_SINFO_SIZE_DEFAULT &&
+ fspace->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 serialized sections disk space */
+ old_addr = fspace->sect_addr;
+ if(H5MF_xfree(f, H5FD_MEM_FSPACE_SINFO, dxpl_id, old_addr, fspace->alloc_sect_size) < 0)
+ HGOTO_ERROR(H5E_FSPACE, H5E_CANTFREE, FAIL, "unable to free free space sections")
+
+ /* Compute new size */
+ while(fspace->sect_size < decrease_threshold) {
+ new_size = decrease_threshold;
+
+ decrease_threshold *= (double)fspace->shrink_percent / 100.0;
+ } /* end while */
+ if(new_size < H5FS_SINFO_SIZE_DEFAULT)
+ new_size = H5FS_SINFO_SIZE_DEFAULT;
+ fspace->alloc_sect_size = new_size;
+
+ /* Allocate space for the new serialized sections on disk */
+#ifdef QAK
+HDfprintf(stderr, "%s: Allocating space for smaller serialized sections, new_size = %Zu\n", FUNC, new_size);
+#endif /* QAK */
+ if(HADDR_UNDEF == (fspace->sect_addr = H5MF_alloc(f, H5FD_MEM_FSPACE_SINFO, dxpl_id, (hsize_t)fspace->alloc_sect_size)))
+ HGOTO_ERROR(H5E_FSPACE, H5E_NOSPACE, FAIL, "file allocation failed for free space sections")
+
+ /* Move object in cache, if it actually was relocated */
+ if(H5F_addr_ne(fspace->sect_addr, old_addr)) {
+ if(H5AC_rename(f, H5AC_FSPACE_SINFO, old_addr, fspace->sect_addr) < 0)
+ HGOTO_ERROR(H5E_FSPACE, H5E_CANTRENAME, FAIL, "unable to move free space section info")
+ } /* end if */
+ else {
+ /* Mark free space section as dirty */
+ if(H5AC_mark_pinned_or_protected_entry_dirty(f, fspace->sinfo) < 0)
+ HGOTO_ERROR(H5E_FSPACE, H5E_CANTMARKDIRTY, FAIL, "unable to mark free space section info as dirty")
+ } /* end else */
+
+ /* Mark free space header as dirty */
+ if(H5AC_mark_pinned_or_protected_entry_dirty(f, fspace) < 0)
+ HGOTO_ERROR(H5E_FSPACE, H5E_CANTMARKDIRTY, FAIL, "unable to mark free space header as dirty")
+ } /* end if */
+ } /* end else */
+
+done:
+ FUNC_LEAVE_NOAPI(ret_value)
+} /* H5FS_sect_serialize_size() */
+
+
+/*-------------------------------------------------------------------------
+ * 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_ud_t *udata = (H5FS_iter_ud_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_ud_t *udata = (H5FS_iter_ud_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_sect_iterate
+ *
+ * Purpose: Iterate over all the sections managed
+ *
+ * Return: Success: non-negative
+ *
+ * Failure: negative
+ *
+ * Programmer: Quincey Koziol
+ * Saturday, May 13, 2006
+ *
+ *-------------------------------------------------------------------------
+ */
+herr_t
+H5FS_sect_iterate(H5F_t *f, hid_t dxpl_id, H5FS_t *fspace, H5FS_operator_t op, void *op_data)
+{
+ H5FS_iter_ud_t udata; /* User data for callbacks */
+ herr_t ret_value = SUCCEED; /* Return value */
+
+ FUNC_ENTER_NOAPI_NOINIT(H5FS_sect_iterate)
+
+ /* Check arguments. */
+ HDassert(fspace);
+ HDassert(op);
+
+ /* Check if we need to go get the sections */
+ if(fspace->sinfo == NULL) {
+ if(NULL == (fspace->sinfo = H5FS_sinfo_pin(f, dxpl_id, fspace)))
+ HGOTO_ERROR(H5E_FSPACE, H5E_CANTDECODE, FAIL, "can't pin sections")
+ } /* end if */
+
+#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->tot_sect_count) {
+ 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->sinfo->nbins; bin++) {
+ /* Check if there are any sections in this bin */
+ if(fspace->sinfo->bins[bin].bin_list) {
+ /* Iterate over list of section size nodes for bin */
+ if(H5SL_iterate(fspace->sinfo->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 if */
+
+done:
+ FUNC_LEAVE_NOAPI(ret_value)
+} /* H5FS_sect_iterate() */
+
+
+/*-------------------------------------------------------------------------
+ * Function: H5FS_get_sect_count
+ *
+ * Purpose: Retrieve the number of sections managed
+ *
+ * Return: Success: non-negative
+ *
+ * Failure: negative
+ *
+ * Programmer: Quincey Koziol
+ * Tuesday, May 30, 2006
+ *
+ *-------------------------------------------------------------------------
+ */
+herr_t
+H5FS_get_sect_count(const H5FS_t *fspace, hsize_t *nsects)
+{
+ FUNC_ENTER_NOAPI_NOFUNC(H5FS_get_sect_count)
+
+ /* Check arguments. */
+ HDassert(fspace);
+ HDassert(nsects);
+
+ /* Get the section count */
+ *nsects = fspace->tot_sect_count;
+
+ FUNC_LEAVE_NOAPI(SUCCEED)
+} /* H5FS_get_sect_count() */
+
+
+/*-------------------------------------------------------------------------
+ * Function: H5FS_sect_change_class
+ *
+ * Purpose: Make appropriate adjustments to internal data structures when
+ * a section changes class
+ *
+ * Return: Success: non-negative
+ *
+ * Failure: negative
+ *
+ * Programmer: Quincey Koziol
+ * Monday, July 10, 2006
+ *
+ *-------------------------------------------------------------------------
+ */
+herr_t
+H5FS_sect_change_class(H5F_t *f, hid_t dxpl_id, H5FS_t *fspace,
+ H5FS_section_info_t *sect, unsigned new_class)
+{
+ const H5FS_section_class_t *old_cls; /* Old class of section */
+ const H5FS_section_class_t *new_cls; /* New class of section */
+ unsigned old_class; /* Old class ID of section */
+ herr_t ret_value = SUCCEED; /* Return value */
+
+ FUNC_ENTER_NOAPI_NOINIT(H5FS_sect_change_class)
+
+ /* Check arguments. */
+ HDassert(fspace);
+ HDassert(fspace->sinfo);
+ HDassert(sect);
+ HDassert(sect->type < fspace->nclasses);
+ HDassert(new_class < fspace->nclasses);
+
+ /* Get class info */
+ old_class = sect->type;
+ old_cls = &fspace->sect_cls[sect->type];
+ new_cls = &fspace->sect_cls[new_class];
+#ifdef QAK
+HDfprintf(stderr, "%s: old_cls->flags = %x\n", FUNC, old_cls->flags);
+HDfprintf(stderr, "%s: new_cls->flags = %x\n", FUNC, new_cls->flags);
+#endif /* QAK */
+
+ /* Check if the section's class change will affect the # of serializable or ghost sections */
+ if((old_cls->flags & H5FS_CLS_GHOST_OBJ) != (new_cls->flags & H5FS_CLS_GHOST_OBJ)) {
+ H5FS_node_t *fspace_node; /* Free list size node */
+ unsigned bin; /* Bin to put the free space section in */
+ hbool_t to_ghost; /* Flag if the section is changing to a ghost section */
+
+ /* Determine if this section is becoming a ghost or is becoming serializable */
+ if(old_cls->flags & H5FS_CLS_GHOST_OBJ)
+ to_ghost = FALSE;
+ else
+ to_ghost = TRUE;
+#ifdef QAK
+HDfprintf(stderr, "%s: to_ghost = %u\n", FUNC, to_ghost);
+#endif /* QAK */
+
+ /* Sanity check */
+ HDassert(fspace->sinfo->bins);
+
+ /* Determine correct bin which holds items of at least the section's size */
+ bin = H5V_log2_gen(sect->size);
+ HDassert(bin < fspace->sinfo->nbins);
+ HDassert(fspace->sinfo->bins[bin].bin_list);
+
+ /* Get space node for section's size */
+ fspace_node = H5SL_search(fspace->sinfo->bins[bin].bin_list, &sect->size);
+ HDassert(fspace_node);
+
+ /* Adjust serializable/ghost counts */
+ if(to_ghost) {
+ /* Adjust global section count totals */
+ fspace->serial_sect_count--;
+ fspace->ghost_sect_count++;
+
+ /* Adjust bin's section count totals */
+ fspace->sinfo->bins[bin].serial_sect_count--;
+ fspace->sinfo->bins[bin].ghost_sect_count++;
+
+ /* Adjust section size node's section count totals */
+ fspace_node->serial_count--;
+ fspace_node->ghost_count++;
+
+ /* Check if we switched a section size node's status */
+ if(fspace_node->serial_count == 0)
+ fspace->sinfo->serial_size_count--;
+ if(fspace_node->ghost_count == 1)
+ fspace->sinfo->ghost_size_count++;
+ } /* end if */
+ else {
+ /* Adjust global section count totals */
+ fspace->serial_sect_count++;
+ fspace->ghost_sect_count--;
+
+ /* Adjust bin's section count totals */
+ fspace->sinfo->bins[bin].serial_sect_count++;
+ fspace->sinfo->bins[bin].ghost_sect_count--;
+
+ /* Adjust section size node's section count totals */
+ fspace_node->serial_count++;
+ fspace_node->ghost_count--;
+
+ /* Check if we switched a section size node's status */
+ if(fspace_node->serial_count == 1)
+ fspace->sinfo->serial_size_count++;
+ if(fspace_node->ghost_count == 0)
+ fspace->sinfo->ghost_size_count--;
+ } /* end else */
+ } /* end if */
+
+ /* Check if the section's class change will affect the mergable list */
+ if((old_cls->flags & H5FS_CLS_SEPAR_OBJ) != (new_cls->flags & H5FS_CLS_SEPAR_OBJ)) {
+ hbool_t to_mergable; /* Flag if the section is changing to a mergable section */
+
+ /* Determine if this section is becoming mergable or is becoming separate */
+ if(old_cls->flags & H5FS_CLS_SEPAR_OBJ)
+ to_mergable = TRUE;
+ else
+ to_mergable = FALSE;
+#ifdef QAK
+HDfprintf(stderr, "%s: to_mergable = %u\n", FUNC, to_mergable);
+#endif /* QAK */
+
+ /* Add or remove section from merge list, as appropriate */
+ if(to_mergable) {
+#ifdef QAK
+HDfprintf(stderr, "%s: inserting object into merge list, sect->type = %u\n", FUNC, (unsigned)sect->type);
+#endif /* QAK */
+ if(fspace->sinfo->merge_list == NULL)
+ if(NULL == (fspace->sinfo->merge_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 merging free space sections")
+ if(H5SL_insert(fspace->sinfo->merge_list, sect, &sect->addr) < 0)
+ HGOTO_ERROR(H5E_FSPACE, H5E_CANTINSERT, FAIL, "can't insert free space node into merging skip list")
+ } /* end if */
+ else {
+ H5FS_section_info_t *tmp_sect_node; /* Temporary section node */
+
+#ifdef QAK
+HDfprintf(stderr, "%s: removing object from merge list, sect->type = %u\n", FUNC, (unsigned)sect->type);
+#endif /* QAK */
+ tmp_sect_node = H5SL_remove(fspace->sinfo->merge_list, &sect->addr);
+ if(tmp_sect_node == NULL || tmp_sect_node != sect)
+ HGOTO_ERROR(H5E_FSPACE, H5E_NOTFOUND, FAIL, "can't find section node on size list")
+ } /* end else */
+ } /* end if */
+
+ /* Change the section's class */
+ sect->type = new_class;
+
+ /* Change the serialized size of sections */
+ fspace->sinfo->serial_size -= fspace->sect_cls[old_class].serial_size;
+ fspace->sinfo->serial_size += fspace->sect_cls[new_class].serial_size;
+
+ /* Update current space used for free space sections */
+ if(H5FS_sect_serialize_size(f, dxpl_id, fspace) < 0)
+ HGOTO_ERROR(H5E_FSPACE, H5E_CANTCOMPUTE, FAIL, "can't adjust free space section size on disk")
+
+ /* Mark free space sections as dirty */
+ if(H5AC_mark_pinned_or_protected_entry_dirty(f, fspace->sinfo) < 0)
+ HGOTO_ERROR(H5E_FSPACE, H5E_CANTMARKDIRTY, FAIL, "unable to mark free space sections as dirty")
+
+done:
+ FUNC_LEAVE_NOAPI(ret_value)
+} /* H5FS_sect_change_class() */
+
+#ifdef H5FS_DEBUG
+
+/*-------------------------------------------------------------------------
+ * Function: H5FS_sect_assert
+ *
+ * Purpose: Verify that the sections managed are mostly sane
+ *
+ * Return: Non-negative on success, negative on failure
+ *
+ * Programmer: Quincey Koziol
+ * koziol@hdfgroup.org
+ * Jul 17 2006
+ *
+ *-------------------------------------------------------------------------
+ */
+herr_t
+H5FS_sect_assert(const H5FS_t *fspace)
+{
+ hsize_t separate_obj; /* The number of separate objects managed */
+
+ FUNC_ENTER_NOAPI_NOINIT_NOFUNC(H5FS_sect_assert)
+#ifdef QAK
+HDfprintf(stderr, "%s: fspace->hdr->tot_sect_count = %Hu\n", "H5FS_sect_assert", fspace->hdr->tot_sect_count);
+#endif /* QAK */
+
+ /* Initialize state */
+ separate_obj = 0;
+
+ /* Check for bins to work on */
+ if(fspace->bins) {
+ hsize_t acc_tot_sect_count; /* Accumulated total section count from bins */
+ hsize_t acc_serial_sect_count; /* Accumulated serializable section count from bins */
+ hsize_t acc_ghost_sect_count; /* Accumulated ghost section count from bins */
+ size_t acc_tot_size_count; /* Accumulated total section size count from bins */
+ size_t acc_serial_size_count; /* Accumulated serializable section size count from bins */
+ size_t acc_ghost_size_count; /* Accumulated ghost section size count from bins */
+ unsigned u; /* Local index variable */
+
+ /* Walk through all sections in bins */
+ acc_tot_sect_count = 0;
+ acc_serial_sect_count = 0;
+ acc_ghost_sect_count = 0;
+ acc_tot_size_count = 0;
+ acc_serial_size_count = 0;
+ acc_ghost_size_count = 0;
+ for(u = 0; u < fspace->nbins; u++) {
+ acc_tot_sect_count += fspace->bins[u].tot_sect_count;
+ acc_serial_sect_count += fspace->bins[u].serial_sect_count;
+ acc_ghost_sect_count += fspace->bins[u].ghost_sect_count;
+ if(fspace->bins[u].bin_list) {
+ H5SL_node_t *curr_size_node; /* Current section size node in skip list */
+ size_t bin_serial_count; /* # of serializable sections in this bin */
+ size_t bin_ghost_count; /* # of ghost sections in this bin */
+
+ acc_tot_size_count += H5SL_count(fspace->bins[u].bin_list);
+
+ /* Walk through the sections in this bin */
+ curr_size_node = H5SL_first(fspace->bins[u].bin_list);
+ bin_serial_count = 0;
+ bin_ghost_count = 0;
+ while(curr_size_node != NULL) {
+ H5FS_node_t *fspace_node; /* Section size node */
+ H5SL_node_t *curr_sect_node; /* Current section node in skip list */
+ size_t size_serial_count; /* # of serializable sections of this size */
+ size_t size_ghost_count; /* # of ghost sections of this size */
+
+ /* Get section size node */
+ fspace_node = H5SL_item(curr_size_node);
+
+ /* Check sections on list */
+ curr_sect_node = H5SL_first(fspace_node->sect_list);
+ size_serial_count = 0;
+ size_ghost_count = 0;
+ while(curr_sect_node != NULL) {
+ H5FS_section_class_t *cls; /* Class of section */
+ H5FS_section_info_t *sect; /* Section */
+
+ /* Get section node & it's class */
+ sect = H5SL_item(curr_sect_node);
+ cls = &fspace->sect_cls[sect->type];
+#ifdef QAK
+HDfprintf(stderr, "%s: sect->size = %Hu, sect->addr = %a, sect->type = %u\n", "H5FS_assert", sect->size, sect->addr, sect->type);
+#endif /* QAK */
+
+ /* Sanity check section */
+ HDassert(H5F_addr_defined(sect->addr));
+ HDassert(fspace_node->sect_size == sect->size);
+ if(cls->valid)
+ (*cls->valid)(cls, sect);
+
+ /* Add to correct count */
+ if(cls->flags & H5FS_CLS_GHOST_OBJ)
+ size_ghost_count++;
+ else
+ size_serial_count++;
+
+ /* Count node, if separate */
+ if(cls->flags & H5FS_CLS_SEPAR_OBJ)
+ separate_obj++;
+
+ /* Get the next section node in the list */
+ curr_sect_node = H5SL_next(curr_sect_node);
+ } /* end while */
+
+ /* Check the number of serializable & ghost sections of this size */
+ HDassert(fspace_node->serial_count == size_serial_count);
+ HDassert(fspace_node->ghost_count == size_ghost_count);
+
+ /* Add to global count of serializable & ghost section sizes */
+ if(fspace_node->serial_count > 0)
+ acc_serial_size_count++;
+ if(fspace_node->ghost_count > 0)
+ acc_ghost_size_count++;
+
+ /* Add to bin's serializable & ghost counts */
+ bin_serial_count += size_serial_count;
+ bin_ghost_count += size_ghost_count;
+
+ /* Get the next section size node in the list */
+ curr_size_node = H5SL_next(curr_size_node);
+ } /* end while */
+
+ /* Check the number of serializable & ghost sections in this bin */
+ HDassert(fspace->bins[u].tot_sect_count == (bin_serial_count + bin_ghost_count));
+ HDassert(fspace->bins[u].serial_sect_count == bin_serial_count);
+ HDassert(fspace->bins[u].ghost_sect_count == bin_ghost_count);
+ } /* end if */
+ } /* end for */
+
+ /* Check counts from bins vs. global counts */
+ HDassert(fspace->tot_size_count == acc_tot_size_count);
+ HDassert(fspace->serial_size_count == acc_serial_size_count);
+ HDassert(fspace->ghost_size_count == acc_ghost_size_count);
+ HDassert(fspace->hdr->tot_sect_count == acc_tot_sect_count);
+ HDassert(fspace->hdr->serial_sect_count == acc_serial_sect_count);
+ HDassert(fspace->hdr->ghost_sect_count == acc_ghost_sect_count);
+ } /* end if */
+ else {
+ /* Check counts are zero */
+ HDassert(fspace->hdr->tot_sect_count == 0);
+ HDassert(fspace->hdr->serial_sect_count == 0);
+ HDassert(fspace->hdr->ghost_sect_count == 0);
+ } /* end else */
+
+ /* Make certain that the number of sections on the address list is correct */
+ if(fspace->merge_list)
+ HDassert(fspace->hdr->tot_sect_count == (separate_obj + H5SL_count(fspace->merge_list)));
+
+ FUNC_LEAVE_NOAPI(SUCCEED)
+} /* end H5FS_sect_assert() */
+#endif /* H5FS_DEBUG */
+