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|
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* Copyright by The HDF Group. *
* 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://hdfgroup.org/HDF5/doc/Copyright.html. If you do not have *
* access to either file, you may request a copy from help@hdfgroup.org. *
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
/*
* 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, unsigned flags);
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, unsigned flags);
static herr_t H5FS_sect_link(H5F_t *f, hid_t dxpl_id, H5FS_t *fspace,
H5FS_section_info_t *sect, unsigned flags);
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_limit_enc_size((uint64_t)fspace->max_sect_size);
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, (size_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_cache_ud_t cache_udata; /* User-data for cache callback */
H5FS_sinfo_t *ret_value; /* Return value */
FUNC_ENTER_NOAPI_NOINIT(H5FS_sinfo_pin)
#ifdef QAK
HDfprintf(stderr, "%s: Called, fspace->sect_addr = %a\n", FUNC, fspace->sect_addr);
#endif /* QAK */
/* Check arguments. */
HDassert(f);
HDassert(fspace);
/* Create new section info, if it doesn't exist yet */
if(!H5F_addr_defined(fspace->sect_addr)) {
#ifdef QAK
HDfprintf(stderr, "%s: Allocating new section info\n", FUNC);
#endif /* QAK */
/* 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")
#ifdef QAK
HDfprintf(stderr, "%s: New section info, addr = %a, size = %Hu\n", FUNC, fspace->sect_addr, fspace->alloc_sect_size);
#endif /* QAK */
/* Cache the new free space section info (pinned) */
if(H5AC_set(f, dxpl_id, H5AC_FSPACE_SINFO, fspace->sect_addr, sinfo, H5AC__PIN_ENTRY_FLAG) < 0)
HGOTO_ERROR(H5E_FSPACE, H5E_CANTINIT, NULL, "can't add free space sections to cache")
/* Mark free space header as dirty */
if(H5AC_mark_entry_dirty(fspace) < 0)
HGOTO_ERROR(H5E_FSPACE, H5E_CANTMARKDIRTY, NULL, "unable to mark free space header as dirty")
} /* end if */
else {
#ifdef QAK
HDfprintf(stderr, "%s: Reading in existing sections, fspace->sect_addr = %a\n", FUNC, fspace->sect_addr);
#endif /* QAK */
/* Protect the free space sections */
cache_udata.fspace = fspace;
cache_udata.f = f;
cache_udata.dxpl_id = dxpl_id;
if(NULL == (sinfo = H5AC_protect(f, dxpl_id, H5AC_FSPACE_SINFO, fspace->sect_addr, &cache_udata, 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(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")
} /* end else */
#ifdef QAK
HDfprintf(stderr, "%s: sinfo->serial_size_count = %Zu\n", FUNC, sinfo->serial_size_count);
#endif /* QAK */
/* 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, unsigned flags)
{
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, fspace->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 we're not deserializing the sections from disk) */
if(!(flags & H5FS_ADD_DESERIALIZING)) {
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 if */
} /* end else */
/* Mark free space header as dirty */
if(H5AC_mark_entry_dirty(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->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_entry_dirty(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, §->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, §->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, §->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_entry_dirty(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, (size_t)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, §->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, (size_t)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, §->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, unsigned flags)
{
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, (size_t)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, §->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, flags) < 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, unsigned flags)
{
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, flags) < 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, §, 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, flags) < 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->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_entry_dirty(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(fspace->nclasses);
HDassert(request);
HDassert(node);
/* 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) {
/* 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 */
/* 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);
#ifdef QAK
HDfprintf(stderr, "%s: Check 1.0 - fspace->sect_size = %Hu\n", FUNC, fspace->sect_size);
HDfprintf(stderr, "%s: fspace->alloc_sect_size = %Hu\n", FUNC, fspace->alloc_sect_size);
HDfprintf(stderr, "%s: fspace->sinfo->serial_size_count = %Zu\n", FUNC, fspace->sinfo->serial_size_count);
#endif /* QAK */
/* 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 * H5V_limit_enc_size((uint64_t)fspace->serial_sect_count);
/* 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: Check 2.0 - fspace->sect_size = %Hu\n", FUNC, fspace->sect_size);
HDfprintf(stderr, "%s: fspace->alloc_sect_size = %Hu\n", FUNC, fspace->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 */
hsize_t old_alloc_sect_size; /* Old size of section info */
/* 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;
old_alloc_sect_size = fspace->alloc_sect_size;
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 */
H5_ASSIGN_OVERFLOW(/* To: */ new_size, /* From: */ fspace->alloc_sect_size, /* From: */ hsize_t, /* To: */ size_t);
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);
HDfprintf(stderr, "%s: fspace->sect_size = %Hu\n", FUNC, fspace->sect_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")
#ifdef QAK
HDfprintf(stderr, "%s: old_addr = %a, fspace->sect_addr = %a\n", FUNC, old_addr, fspace->sect_addr);
#endif /* QAK */
/* Resize pinned section info in the cache, if its changed size */
if(old_alloc_sect_size != fspace->alloc_sect_size) {
if(H5AC_resize_pinned_entry(fspace->sinfo, (size_t)fspace->alloc_sect_size) < 0)
HGOTO_ERROR(H5E_FSPACE, H5E_CANTRESIZE, FAIL, "unable to resize free space section info")
} /* end if */
/* Move object in cache, if it actually was relocated */
if(H5F_addr_ne(fspace->sect_addr, old_addr)) {
if(H5AC_move_entry(f, H5AC_FSPACE_SINFO, old_addr, fspace->sect_addr) < 0)
HGOTO_ERROR(H5E_FSPACE, H5E_CANTMOVE, FAIL, "unable to move free space section info")
} /* end if */
else {
/* Mark free space section as dirty */
if(H5AC_mark_entry_dirty(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_entry_dirty(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 */
haddr_t old_addr; /* Old address of serialized sections */
hsize_t old_alloc_sect_size; /* Old size of section info */
/* Compute the threshold for decreasing the sections' serialized size */
decrease_threshold = (size_t)(((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) {
size_t new_size = 0; /* New size of space for 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;
old_alloc_sect_size = fspace->alloc_sect_size;
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")
/* Resize pinned section info in the cache, if its changed size */
if(old_alloc_sect_size != fspace->alloc_sect_size) {
if(H5AC_resize_pinned_entry(fspace->sinfo, (size_t)fspace->alloc_sect_size) < 0)
HGOTO_ERROR(H5E_FSPACE, H5E_CANTRESIZE, FAIL, "unable to resize free space section info")
} /* end if */
/* Move object in cache, if it actually was relocated */
if(H5F_addr_ne(fspace->sect_addr, old_addr)) {
if(H5AC_move_entry(f, H5AC_FSPACE_SINFO, old_addr, fspace->sect_addr) < 0)
HGOTO_ERROR(H5E_FSPACE, H5E_CANTMOVE, FAIL, "unable to move free space section info")
} /* end if */
else {
/* Mark free space section as dirty */
if(H5AC_mark_entry_dirty(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_entry_dirty(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, §->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, (size_t)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, §->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, §->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_entry_dirty(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->sinfo->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->sinfo->nbins; u++) {
acc_tot_sect_count += fspace->sinfo->bins[u].tot_sect_count;
acc_serial_sect_count += fspace->sinfo->bins[u].serial_sect_count;
acc_ghost_sect_count += fspace->sinfo->bins[u].ghost_sect_count;
if(fspace->sinfo->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->sinfo->bins[u].bin_list);
/* Walk through the sections in this bin */
curr_size_node = H5SL_first(fspace->sinfo->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->sinfo->bins[u].tot_sect_count == (bin_serial_count + bin_ghost_count));
HDassert(fspace->sinfo->bins[u].serial_sect_count == bin_serial_count);
HDassert(fspace->sinfo->bins[u].ghost_sect_count == bin_ghost_count);
} /* end if */
} /* end for */
/* Check counts from bins vs. global counts */
HDassert(fspace->sinfo->tot_size_count == acc_tot_size_count);
HDassert(fspace->sinfo->serial_size_count == acc_serial_size_count);
HDassert(fspace->sinfo->ghost_size_count == acc_ghost_size_count);
HDassert(fspace->tot_sect_count == acc_tot_sect_count);
HDassert(fspace->serial_sect_count == acc_serial_sect_count);
HDassert(fspace->ghost_sect_count == acc_ghost_sect_count);
} /* end if */
else {
/* Check counts are zero */
HDassert(fspace->tot_sect_count == 0);
HDassert(fspace->serial_sect_count == 0);
HDassert(fspace->ghost_sect_count == 0);
} /* end else */
/* Make certain that the number of sections on the address list is correct */
if(fspace->sinfo->merge_list)
HDassert(fspace->tot_sect_count == (separate_obj + H5SL_count(fspace->sinfo->merge_list)));
FUNC_LEAVE_NOAPI(SUCCEED)
} /* end H5FS_sect_assert() */
#endif /* H5FS_DEBUG */
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