diff options
Diffstat (limited to 'src/H5HFint.c')
| -rw-r--r-- | src/H5HFint.c | 2037 |
1 files changed, 62 insertions, 1975 deletions
diff --git a/src/H5HFint.c b/src/H5HFint.c index 421449c..64de9c4 100644 --- a/src/H5HFint.c +++ b/src/H5HFint.c @@ -43,12 +43,6 @@ /* Local Macros */ /****************/ -/* Limit on the size of the max. direct block size */ -/* (This is limited to 32-bits currently, because I think it's unlikely to - * need to be larger, the 32-bit limit for H5V_log2_of2(n), and - * some offsets/sizes are encoded with a maxiumum of 32-bits - QAK) - */ -#define H5HL_MAX_DIRECT_SIZE_LIMIT ((hsize_t)2 * 1024 * 1024 * 1024) /******************/ /* Local Typedefs */ @@ -59,87 +53,18 @@ /* Package Typedefs */ /********************/ -/* Direct block free list section node */ -struct H5HF_section_free_node_t { - haddr_t sect_addr; /* Address of free list section in the file */ - /* (Not actually used as address, used as unique ID for free list node) */ - size_t sect_size; /* Size of free space section */ - /* (section size is "object size", without the metadata overhead, since metadata overhead varies from block to block) */ - /* (for range sections, this is the largest single section within the range) */ - enum {H5HF_SECT_SINGLE, H5HF_SECT_RANGE} type; /* Type of free space section */ - union { - struct { - haddr_t dblock_addr; /* Address of direct block for free section */ - size_t dblock_size; /* Size of direct block */ - /* (Needed to retrieve direct block) */ - } single; - struct { - haddr_t iblock_addr; /* Address of indirect block for free section */ - unsigned iblock_nrows; /* Number of rows in indirect block */ - /* (Needed to retrieve indirect block) */ - unsigned entry; /* Starting entry in indirect block */ - unsigned num_entries; /* Number of entries covered */ - hsize_t range; /* Size of actual free section */ - } range; - } u; -}; - /********************/ /* Local Prototypes */ /********************/ -/* Doubling table routines */ -static herr_t H5HF_dtable_init(H5HF_dtable_t *dtable); -static herr_t H5HF_dtable_lookup(const H5HF_dtable_t *dtable, hsize_t off, - unsigned *row, unsigned *col); - -/* Shared heap header routines */ -static herr_t H5HF_hdr_dirty(hid_t dxpl_id, H5HF_t *hdr); - -/* Direct block routines */ -static herr_t H5HF_dblock_section_node_free_cb(void *item, void UNUSED *key, - void UNUSED *op_data); -static herr_t H5HF_man_dblock_create(hid_t dxpl_id, H5HF_t *hdr, - H5HF_indirect_t *par_iblock, unsigned par_entry, size_t block_size, - hsize_t block_off, haddr_t *addr_p, H5HF_section_free_node_t **ret_sec_node); -static herr_t H5HF_man_dblock_new(H5HF_t *fh, hid_t dxpl_id, - size_t request); -static herr_t H5HF_man_dblock_adj_free(hid_t dxpl_id, H5HF_direct_t *dblock, ssize_t amt); - -/* Indirect block routines */ -static herr_t H5HF_man_iblock_inc_loc(H5HF_indirect_t *iblock); -static herr_t H5HF_iblock_dirty(hid_t dxpl_id, H5HF_indirect_t *iblock); -static herr_t H5HF_man_iblock_adj_free(hid_t dxpl_id, H5HF_indirect_t *iblock, ssize_t amt); -static H5HF_indirect_t * H5HF_man_iblock_place_dblock(H5HF_t *fh, hid_t dxpl_id, - size_t min_dblock_size, haddr_t *addr_p, size_t *entry_p, - size_t *dblock_size); -static herr_t H5HF_man_iblock_alloc_range(H5HF_t *hdr, hid_t dxpl_id, - H5HF_section_free_node_t **sec_node, size_t obj_size); -static herr_t H5HF_man_iblock_create(H5HF_t *fh, hid_t dxpl_id, - hsize_t block_off, unsigned nrows, unsigned max_rows, haddr_t *addr_p); /*********************/ /* Package Variables */ /*********************/ -/* Declare a free list to manage the H5HF_direct_t struct */ -H5FL_DEFINE(H5HF_direct_t); - -/* Declare a free list to manage the H5HF_direct_free_head_t struct */ -H5FL_DEFINE(H5HF_direct_free_head_t); - -/* Declare a free list to manage the H5HF_direct_free_node_t struct */ -H5FL_DEFINE(H5HF_direct_free_node_t); - -/* Declare a free list to manage the H5HF_section_free_node_t struct */ -H5FL_DEFINE(H5HF_section_free_node_t); - -/* Declare a free list to manage the H5HF_indirect_t struct */ -H5FL_DEFINE(H5HF_indirect_t); - -/* Declare a free list to manage the H5HF_indirect_ent_t sequence information */ -H5FL_SEQ_DEFINE(H5HF_indirect_ent_t); +/* Declare a free list to manage the H5HF_free_section_t struct */ +H5FL_DEFINE(H5HF_free_section_t); /*****************************/ @@ -154,511 +79,9 @@ H5FL_SEQ_DEFINE(H5HF_indirect_ent_t); /*------------------------------------------------------------------------- - * Function: H5HF_dtable_init - * - * Purpose: Initialize values for doubling table - * - * Return: Non-negative on success/Negative on failure - * - * Programmer: Quincey Koziol - * koziol@ncsa.uiuc.edu - * Mar 6 2006 - * - *------------------------------------------------------------------------- - */ -static herr_t -H5HF_dtable_init(H5HF_dtable_t *dtable) -{ - hsize_t tmp_block_size; /* Temporary block size */ - hsize_t acc_block_off; /* Accumulated block offset */ - size_t u; /* Local index variable */ - herr_t ret_value = SUCCEED; /* Return value */ - - FUNC_ENTER_NOAPI_NOINIT(H5HF_dtable_init) - - /* - * Check arguments. - */ - HDassert(dtable); - - /* Compute/cache some values */ - dtable->first_row_bits = H5V_log2_of2(dtable->cparam.start_block_size) + - H5V_log2_of2(dtable->cparam.width); - dtable->max_root_rows = (dtable->cparam.max_index - dtable->first_row_bits) + 1; - dtable->max_direct_rows = (H5V_log2_of2(dtable->cparam.max_direct_size) - - H5V_log2_of2(dtable->cparam.start_block_size)) + 2; - dtable->num_id_first_row = dtable->cparam.start_block_size * dtable->cparam.width; - dtable->max_dir_blk_off_size = H5HF_SIZEOF_OFFSET_LEN(dtable->cparam.max_direct_size); - - /* Build table of block sizes for each row */ - if(NULL == (dtable->row_block_size = H5MM_malloc(dtable->max_root_rows * sizeof(hsize_t)))) - HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, FAIL, "can't create doubling table block size table") - if(NULL == (dtable->row_block_off = H5MM_malloc(dtable->max_root_rows * sizeof(hsize_t)))) - HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, FAIL, "can't create doubling table block offset table") - tmp_block_size = dtable->cparam.start_block_size; - acc_block_off = dtable->cparam.start_block_size * dtable->cparam.width; - dtable->row_block_size[0] = dtable->cparam.start_block_size; - dtable->row_block_off[0] = 0; - for(u = 1; u < dtable->max_root_rows; u++) { - dtable->row_block_size[u] = tmp_block_size; - dtable->row_block_off[u] = acc_block_off; - tmp_block_size *= 2; - acc_block_off *= 2; - } /* end for */ - -done: - FUNC_LEAVE_NOAPI(ret_value) -} /* end H5HF_dtable_init() */ - - -/*------------------------------------------------------------------------- - * Function: H5HF_dtable_lookup - * - * Purpose: Compute the row & col of an offset in a doubling-table - * - * Return: Non-negative on success/Negative on failure - * - * Programmer: Quincey Koziol - * koziol@ncsa.uiuc.edu - * Mar 6 2006 - * - *------------------------------------------------------------------------- - */ -static herr_t -H5HF_dtable_lookup(const H5HF_dtable_t *dtable, hsize_t off, unsigned *row, unsigned *col) -{ - FUNC_ENTER_NOAPI_NOINIT_NOFUNC(H5HF_dtable_lookup) - - /* - * Check arguments. - */ - HDassert(dtable); - HDassert(row); - HDassert(col); - - /* Check for offset in first row */ - if(off < dtable->num_id_first_row) { - *row = 0; - *col = off / dtable->cparam.start_block_size; - } /* end if */ - else { - unsigned high_bit = H5V_log2_gen(off); /* Determine the high bit in the offset */ - hsize_t off_mask = 1 << high_bit; /* Compute mask for determining column */ - - *row = (high_bit - dtable->first_row_bits) + 1; - *col = (off - off_mask) / dtable->row_block_size[*row]; - } /* end else */ - - FUNC_LEAVE_NOAPI(SUCCEED) -} /* end H5HF_dtable_lookup() */ - - -/*------------------------------------------------------------------------- - * Function: H5HF_dtable_dest - * - * Purpose: Release information for doubling table - * - * Return: Non-negative on success/Negative on failure - * - * Programmer: Quincey Koziol - * koziol@ncsa.uiuc.edu - * Mar 27 2006 - * - *------------------------------------------------------------------------- - */ -herr_t -H5HF_dtable_dest(H5HF_dtable_t *dtable) -{ - FUNC_ENTER_NOAPI_NOINIT_NOFUNC(H5HF_dtable_dest) - - /* - * Check arguments. - */ - HDassert(dtable); - - /* Free the block size lookup table for the doubling table */ - H5MM_xfree(dtable->row_block_size); - - /* Free the block offset lookup table for the doubling table */ - H5MM_xfree(dtable->row_block_off); - - FUNC_LEAVE_NOAPI(SUCCEED) -} /* end H5HF_dtable_dest() */ - - -/*------------------------------------------------------------------------- - * Function: H5HF_alloc - * - * Purpose: Allocate shared fractal heap header - * - * Return: Non-negative on success/Negative on failure - * - * Programmer: Quincey Koziol - * koziol@ncsa.uiuc.edu - * Mar 21 2006 - * - *------------------------------------------------------------------------- - */ -H5HF_t * -H5HF_alloc(H5F_t *f) -{ - H5HF_t *fh = NULL; /* Shared fractal heap header */ - H5HF_t *ret_value = NULL; /* Return value */ - - FUNC_ENTER_NOAPI_NOINIT(H5HF_alloc) - - /* - * Check arguments. - */ - HDassert(f); - - /* Allocate space for the shared information */ - if(NULL == (fh = H5FL_CALLOC(H5HF_t))) - HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, NULL, "memory allocation failed for fractal heap shared header") - - /* Set the internal parameters for the heap */ - fh->f = f; - fh->sizeof_size = H5F_SIZEOF_SIZE(f); - fh->sizeof_addr = H5F_SIZEOF_ADDR(f); - - /* Set the return value */ - ret_value = fh; - -done: - if(!ret_value) - if(fh) - (void)H5HF_cache_hdr_dest(f, fh); - - FUNC_LEAVE_NOAPI(ret_value) -} /* end H5HF_alloc() */ - - -/*------------------------------------------------------------------------- - * Function: H5HF_finish_init - * - * Purpose: Finish initializing info in shared heap header - * - * Return: Non-negative on success/Negative on failure - * - * Programmer: Quincey Koziol - * koziol@ncsa.uiuc.edu - * Mar 21 2006 - * - *------------------------------------------------------------------------- - */ -herr_t -H5HF_finish_init(H5HF_t *fh) -{ - herr_t ret_value = SUCCEED; /* Return value */ - - FUNC_ENTER_NOAPI_NOINIT(H5HF_finish_init) - - /* - * Check arguments. - */ - HDassert(fh); - - /* Compute/cache some values */ - fh->heap_off_size = H5HF_SIZEOF_OFFSET_BITS(fh->man_dtable.cparam.max_index); - if(H5HF_dtable_init(&fh->man_dtable) < 0) - HGOTO_ERROR(H5E_HEAP, H5E_CANTINIT, FAIL, "can't initialize doubling table info") - - /* Create the free-list structure for the heap */ - if(NULL == (fh->flist = H5HF_flist_create(fh->man_dtable.cparam.max_direct_size, H5HF_dblock_section_node_free_cb))) - HGOTO_ERROR(H5E_HEAP, H5E_CANTINIT, FAIL, "can't initialize free list info") - - /* Set the size of heap IDs */ - fh->id_len = fh->heap_off_size + MIN(fh->man_dtable.max_dir_blk_off_size, - ((H5V_log2_gen((hsize_t)fh->standalone_size) + 7) / 8)); - -done: - FUNC_LEAVE_NOAPI(ret_value) -} /* end H5HF_finish_init() */ - - -/*------------------------------------------------------------------------- - * Function: H5HF_init - * - * Purpose: Initialize shared fractal heap header for new heap - * - * Return: Non-negative on success/Negative on failure - * - * Programmer: Quincey Koziol - * koziol@ncsa.uiuc.edu - * Mar 21 2006 - * - *------------------------------------------------------------------------- - */ -herr_t -H5HF_init(H5HF_t *fh, haddr_t fh_addr, H5HF_create_t *cparam) -{ - herr_t ret_value = SUCCEED; /* Return value */ - - FUNC_ENTER_NOAPI_NOINIT(H5HF_init) - - /* - * Check arguments. - */ - HDassert(fh); - HDassert(cparam); - -#ifndef NDEBUG - /* Check for valid parameters */ - if(!POWER_OF_TWO(cparam->managed.width) || cparam->managed.width == 0) - HGOTO_ERROR(H5E_HEAP, H5E_BADVALUE, FAIL, "width not power of two") - if(!POWER_OF_TWO(cparam->managed.start_block_size) || cparam->managed.start_block_size == 0) - HGOTO_ERROR(H5E_HEAP, H5E_BADVALUE, FAIL, "starting block size not power of two") - if(!POWER_OF_TWO(cparam->managed.max_direct_size) || - (cparam->managed.max_direct_size == 0 || cparam->managed.max_direct_size > H5HL_MAX_DIRECT_SIZE_LIMIT)) - HGOTO_ERROR(H5E_HEAP, H5E_BADVALUE, FAIL, "max. direct block size not power of two") - if(cparam->managed.max_direct_size < cparam->standalone_size) - HGOTO_ERROR(H5E_HEAP, H5E_BADVALUE, FAIL, "max. direct block size not large enough to hold all managed blocks") - if(cparam->managed.max_index > (8 * fh->sizeof_size) || cparam->managed.max_index == 0) - HGOTO_ERROR(H5E_HEAP, H5E_BADVALUE, FAIL, "max. direct block size not power of two") -#endif /* NDEBUG */ - - /* Set the creation parameters for the heap */ - fh->heap_addr = fh_addr; - fh->addrmap = cparam->addrmap; - fh->standalone_size = cparam->standalone_size; - HDmemcpy(&(fh->man_dtable.cparam), &(cparam->managed), sizeof(H5HF_dtable_cparam_t)); - - /* Set root table address */ - fh->man_dtable.table_addr = HADDR_UNDEF; - - /* Note that the shared info is dirty (it's not written to the file yet) */ - fh->dirty = TRUE; - - /* Make shared heap info reference counted */ - if(H5HF_finish_init(fh) < 0) - HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, FAIL, "can't create ref-count wrapper for shared fractal heap header") - -done: - if(ret_value < 0) - if(fh) - (void)H5HF_cache_hdr_dest(NULL, fh); - - FUNC_LEAVE_NOAPI(ret_value) -} /* end H5HF_init() */ - - -/*------------------------------------------------------------------------- - * Function: H5HF_man_iblock_inc_loc - * - * Purpose: Increment location of next direct block in indirect block - * - * Return: SUCCEED/FAIL - * - * Programmer: Quincey Koziol - * koziol@ncsa.uiuc.edu - * Mar 14 2006 - * - *------------------------------------------------------------------------- - */ -static herr_t -H5HF_man_iblock_inc_loc(H5HF_indirect_t *iblock) -{ - herr_t ret_value = SUCCEED; /* Return value */ - - FUNC_ENTER_NOAPI_NOINIT(H5HF_man_iblock_inc_loc) - - /* - * Check arguments. - */ - HDassert(iblock); - - /* Increment block entry */ - iblock->next_entry++; - - /* Increment column */ - iblock->next_col++; - - /* Check for walking off end of column */ - if(iblock->next_col == iblock->shared->man_dtable.cparam.width) { - /* Reset column */ - iblock->next_col = 0; - - /* Increment row & block size */ - iblock->next_row++; - if(iblock->next_row > 1) - iblock->next_size *= 2; - - /* Check for filling up indirect block */ - if(iblock->next_row == iblock->max_rows) { - /* Check for "full" heap */ - if(iblock->parent == NULL) - HGOTO_ERROR(H5E_HEAP, H5E_CANTINC, FAIL, "can't advance fractal heap block location") - - /* Increment location for parent indirect block */ - if(H5HF_man_iblock_inc_loc(iblock->parent) < 0) - HGOTO_ERROR(H5E_HEAP, H5E_CANTINC, FAIL, "can't advance fractal heap block location") - } /* end if */ - } /* end if */ - -#ifdef QAK -HDfprintf(stderr, "%s: iblock->next_row = %u\n", FUNC, iblock->next_row); -HDfprintf(stderr, "%s: iblock->next_col = %u\n", FUNC, iblock->next_col); -HDfprintf(stderr, "%s: iblock->next_entry = %u\n", FUNC, iblock->next_entry); -HDfprintf(stderr, "%s: iblock->next_size = %Zu\n", FUNC, iblock->next_size); -#endif /* QAK */ - -done: - FUNC_LEAVE_NOAPI(ret_value) -} /* end H5HF_man_iblock_inc_loc() */ - - -/*------------------------------------------------------------------------- - * Function: H5HF_man_dblock_create - * - * Purpose: Allocate & initialize a managed direct block - * - * Return: Pointer to new direct block on success, NULL on failure - * - * Programmer: Quincey Koziol - * koziol@ncsa.uiuc.edu - * Feb 27 2006 - * - *------------------------------------------------------------------------- - */ -static herr_t -H5HF_man_dblock_create(hid_t dxpl_id, H5HF_t *hdr, H5HF_indirect_t *par_iblock, - unsigned par_entry, size_t block_size, hsize_t block_off, haddr_t *addr_p, - H5HF_section_free_node_t **ret_sec_node) -{ - H5HF_direct_free_node_t *node; /* Pointer to free list node for block */ - H5HF_section_free_node_t *sec_node; /* Pointer to free list section for block */ - H5HF_direct_t *dblock = NULL; /* Pointer to direct block */ - size_t free_space; /* Free space in new block */ - herr_t ret_value = SUCCEED; /* Return value */ - - FUNC_ENTER_NOAPI_NOINIT(H5HF_man_dblock_create) - - /* - * Check arguments. - */ - HDassert(hdr); - HDassert(block_size > 0); - HDassert(addr_p); - - /* - * Allocate file and memory data structures. - */ - if(NULL == (dblock = H5FL_MALLOC(H5HF_direct_t))) - HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, FAIL, "memory allocation failed for fractal heap direct block") - - /* Reset the metadata cache info for the heap header */ - HDmemset(&dblock->cache_info, 0, sizeof(H5AC_info_t)); - - /* Share common heap information */ - dblock->shared = hdr; - if(H5HF_hdr_incr(hdr) < 0) - HGOTO_ERROR(H5E_HEAP, H5E_CANTINC, FAIL, "can't increment reference count on shared heap header") - - /* Set info for direct block */ -#ifdef QAK -HDfprintf(stderr, "%s: size = %Zu, block_off = %Hu\n", FUNC, block_size, block_off); -#endif /* QAK */ - dblock->parent = par_iblock; - if(dblock->parent) { - if(H5HF_iblock_incr(par_iblock) < 0) - HGOTO_ERROR(H5E_HEAP, H5E_CANTINC, FAIL, "can't increment reference count on shared indirect block") - dblock->par_addr = par_iblock->addr; - dblock->par_nrows = par_iblock->nrows; - } /* end if */ - else { - dblock->par_addr = HADDR_UNDEF; - dblock->par_nrows = 0; - } /* end else */ - dblock->par_entry = par_entry; - dblock->size = block_size; - dblock->block_off = block_off; - dblock->blk_off_size = H5HF_SIZEOF_OFFSET_LEN(block_size); - dblock->free_list_head = H5HF_MAN_ABS_DIRECT_OVERHEAD_DBLOCK(hdr, dblock); - dblock->blk_free_space = 0; /* temporarily, this is modified later */ - free_space = block_size - dblock->free_list_head; - - /* Allocate buffer for block */ -/* XXX: Change to using free-list factories */ - if((dblock->blk = H5FL_BLK_MALLOC(direct_block, block_size)) == NULL) - HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, FAIL, "memory allocation failed") -#ifdef H5_USING_PURIFY -HDmemset(dblock->blk, 0, dblock->size); -#endif /* H5_USING_PURIFY */ - - /* Set up free list head */ - if(NULL == (dblock->free_list = H5FL_MALLOC(H5HF_direct_free_head_t))) - HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, FAIL, "memory allocation failed for direct block free list head") - dblock->free_list->dirty = TRUE; - - /* Set up free list node for all unused space in block */ - if(NULL == (node = H5FL_MALLOC(H5HF_direct_free_node_t))) - HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, FAIL, "memory allocation failed for direct block free list node") - - /* Set node's information */ - node->size = free_space; - node->my_offset = dblock->free_list_head; - node->next_offset = 0; - node->prev = node->next = NULL; - - /* Attach to free list head */ -/* XXX: Convert this list to a skip list? */ - dblock->free_list->first = node; - - /* Allocate space for the header on disk */ - if(HADDR_UNDEF == (*addr_p = H5MF_alloc(hdr->f, H5FD_MEM_FHEAP_DBLOCK, dxpl_id, (hsize_t)block_size))) - HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, FAIL, "file allocation failed for fractal heap direct block") - - /* Create free list section node */ - if(NULL == (sec_node = H5FL_MALLOC(H5HF_section_free_node_t))) - HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, FAIL, "memory allocation failed for direct block free list section") - - /* Set section's information */ - sec_node->sect_addr = block_off + node->my_offset; - /* (section size is "object size", without the metadata overhead) */ - sec_node->sect_size = node->size - H5HF_MAN_ABS_DIRECT_OBJ_PREFIX_LEN(hdr); - sec_node->type = H5HF_SECT_SINGLE; - sec_node->u.single.dblock_addr = *addr_p; - sec_node->u.single.dblock_size = block_size; - - /* Check what to do with section node */ - if(ret_sec_node) - /* Pass back the pointer to the section instead of adding it to the free list */ - *ret_sec_node = sec_node; - else { - /* Add new free space to the global list of space */ - if(H5HF_flist_add(hdr->flist, sec_node, &sec_node->sect_size, &sec_node->sect_addr) < 0) - HGOTO_ERROR(H5E_HEAP, H5E_CANTINIT, FAIL, "can't add direct block free space to global list") - } /* end else */ - - /* Adjust free space to include new block's space */ - if(H5HF_man_dblock_adj_free(dxpl_id, dblock, (ssize_t)sec_node->sect_size) < 0) - HGOTO_ERROR(H5E_HEAP, H5E_CANTDEC, FAIL, "can't adjust free space for direct block & parents") - - /* Update shared heap header */ - hdr->total_size += dblock->size; - hdr->man_size += dblock->size; - - /* Mark heap header as modified */ - if(H5HF_hdr_dirty(dxpl_id, hdr) < 0) - HGOTO_ERROR(H5E_HEAP, H5E_CANTDIRTY, FAIL, "can't mark heap header as dirty") - - /* Cache the new fractal heap direct block */ - if(H5AC_set(hdr->f, dxpl_id, H5AC_FHEAP_DBLOCK, *addr_p, dblock, H5AC__NO_FLAGS_SET) < 0) - HGOTO_ERROR(H5E_HEAP, H5E_CANTINIT, FAIL, "can't add fractal heap direct block to cache") - -done: - if(ret_value < 0) - if(dblock) - (void)H5HF_cache_dblock_dest(hdr->f, dblock); - - FUNC_LEAVE_NOAPI(ret_value) -} /* end H5HF_man_dblock_create() */ - - -/*------------------------------------------------------------------------- - * Function: H5HF_dblock_section_node_free_cb + * Function: H5HF_free_section_free_cb * - * Purpose: Free a section node for a block + * Purpose: Free a free section node * * Return: Success: non-negative * @@ -669,375 +92,18 @@ done: * *------------------------------------------------------------------------- */ -static herr_t -H5HF_dblock_section_node_free_cb(void *item, void UNUSED *key, void UNUSED *op_data) +herr_t +H5HF_free_section_free_cb(void *item, void UNUSED *key, void UNUSED *op_data) { - FUNC_ENTER_NOAPI_NOINIT_NOFUNC(H5HF_dblock_section_node_free_cb) + FUNC_ENTER_NOAPI_NOINIT_NOFUNC(H5HF_free_section_free_cb) HDassert(item); /* Release the sections */ - H5FL_FREE(H5HF_section_free_node_t, item); + H5FL_FREE(H5HF_free_section_t, item); FUNC_LEAVE_NOAPI(0) -} /* H5HF_dblock_section_node_free_cb() */ - - -/*------------------------------------------------------------------------- - * Function: H5HF_man_dblock_build_freelist - * - * Purpose: Parse the free list information for a direct block and build - * block's free list - * - * Return: SUCCEED/FAIL - * - * Programmer: Quincey Koziol - * koziol@ncsa.uiuc.edu - * Feb 28 2006 - * - *------------------------------------------------------------------------- - */ -herr_t -H5HF_man_dblock_build_freelist(H5HF_direct_t *dblock, haddr_t dblock_addr) -{ - H5HF_direct_free_head_t *head = NULL; /* Pointer to free list head for block */ - herr_t ret_value = SUCCEED; /* Return value */ - - FUNC_ENTER_NOAPI_NOINIT(H5HF_man_dblock_build_freelist) - - /* - * Check arguments. - */ - HDassert(dblock); - - /* Allocate head of list */ - if(NULL == (head = H5FL_MALLOC(H5HF_direct_free_head_t))) - HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, FAIL, "memory allocation failed for direct block free list head") - head->dirty = FALSE; - - /* Check for any nodes on free list */ - if(dblock->free_list_head == 0) - head->first = NULL; - else { - H5HF_t *hdr; /* Pointer to shared heap header */ - H5HF_section_free_node_t *sec_node; /* Pointer to free list section for block */ - H5HF_direct_free_node_t *node = NULL; /* Pointer to free list node for block */ - H5HF_direct_free_node_t *prev_node; /* Pointer to previous free list node for block */ - hsize_t free_len; /* Length of free list info */ - hsize_t next_off; /* Next node offset in block */ - hsize_t prev_off; /* Prev node offset in block */ - uint8_t *p; /* Temporary pointer to free node info */ - - /* Get the pointer to the shared heap info */ - hdr = dblock->shared; - - /* Point to first node in free list */ - p = dblock->blk + dblock->free_list_head; - - /* Decode information for first node on free list */ - UINT64DECODE_VAR(p, free_len, dblock->blk_off_size); - UINT64DECODE_VAR(p, next_off, dblock->blk_off_size); - - /* Allocate node on list */ - if(NULL == (node = H5FL_MALLOC(H5HF_direct_free_node_t))) - HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, FAIL, "memory allocation failed for direct block free list node") - - /* Set node's information */ - node->size = free_len; - node->my_offset = dblock->free_list_head; - node->next_offset = next_off; - node->prev = node->next = NULL; - - /* Attach to free list head */ - head->first = node; - - /* Set block's free space */ - dblock->blk_free_space = free_len; - - /* Create free list section node */ - if(NULL == (sec_node = H5FL_MALLOC(H5HF_section_free_node_t))) - HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, FAIL, "memory allocation failed for direct block free list section") - - /* Set section's information */ - sec_node->sect_addr = dblock->block_off + node->my_offset; - /* (section size is "object size", without the metadata overhead) */ - sec_node->sect_size = node->size - H5HF_MAN_ABS_DIRECT_OBJ_PREFIX_LEN(hdr); - sec_node->type = H5HF_SECT_SINGLE; - sec_node->u.single.dblock_addr = dblock_addr; - sec_node->u.single.dblock_size = dblock->size; - - /* Add new free space to the global list of space */ - if(H5HF_flist_add(hdr->flist, sec_node, &sec_node->sect_size, &sec_node->sect_addr) < 0) - HGOTO_ERROR(H5E_HEAP, H5E_CANTINIT, FAIL, "can't add direct block free space to global list") - - /* Set up trailing node pointer */ - prev_node = node; - prev_off = next_off; - - /* Bring in rest of node on free list */ - while(next_off != 0) { - /* Point to first node in free list */ - p = dblock->blk + next_off; - - /* Decode information for first node on free list */ - UINT64DECODE_VAR(p, free_len, dblock->blk_off_size); - UINT64DECODE_VAR(p, next_off, dblock->blk_off_size); - - /* Allocate node on list */ - if(NULL == (node = H5FL_MALLOC(H5HF_direct_free_node_t))) - HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, FAIL, "memory allocation failed for direct block free list node") - - /* Set node's information */ - node->size = free_len; - node->my_offset = prev_off; - node->next_offset = next_off; - node->prev = prev_node; - node->next = NULL; - - /* Adjust block's free space */ - dblock->blk_free_space += free_len; - - /* Create free list section node */ - if(NULL == (sec_node = H5FL_MALLOC(H5HF_section_free_node_t))) - HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, FAIL, "memory allocation failed for direct block free list section") - - /* Set section's information */ - sec_node->sect_addr = dblock->block_off + node->my_offset; - /* (section size is "object size", without the metadata overhead) */ - sec_node->sect_size = node->size - H5HF_MAN_ABS_DIRECT_OBJ_PREFIX_LEN(hdr); - sec_node->type = H5HF_SECT_SINGLE; - sec_node->u.single.dblock_addr = dblock_addr; - sec_node->u.single.dblock_size = dblock->size; - - /* Add new free space to the global list of space */ - if(H5HF_flist_add(hdr->flist, sec_node, &sec_node->sect_size, &sec_node->sect_addr) < 0) - HGOTO_ERROR(H5E_HEAP, H5E_CANTINIT, FAIL, "can't add direct block free space to global list") - - /* Update trailing info */ - prev_node->next = node; - prev_off = next_off; - - /* Advance to next node */ - prev_node = node; - } /* end while */ - } /* end else */ - - /* Assign free list head to block */ - dblock->free_list = head; - -done: -/* XXX: cleanup on failure? */ - FUNC_LEAVE_NOAPI(ret_value) -} /* end H5HF_man_dblock_build_freelist() */ - - -/*------------------------------------------------------------------------- - * Function: H5HF_man_dblock_adj_free - * - * Purpose: Adjust the free space for a direct block, and it's parents - * - * Return: SUCCEED/FAIL - * - * Programmer: Quincey Koziol - * koziol@ncsa.uiuc.edu - * Mar 14 2006 - * - *------------------------------------------------------------------------- - */ -static herr_t -H5HF_man_dblock_adj_free(hid_t dxpl_id, H5HF_direct_t *dblock, ssize_t amt) -{ - H5HF_t *hdr; /* Shared heap information */ - herr_t ret_value = SUCCEED; /* Return value */ - - FUNC_ENTER_NOAPI_NOINIT(H5HF_man_dblock_adj_free) -#ifdef QAK -HDfprintf(stderr, "%s: amt = %Zd\n", FUNC, amt); -#endif /* QAK */ - - /* - * Check arguments. - */ - HDassert(dblock); - - /* Get the pointer to the shared heap header */ - hdr = dblock->shared; - - /* Adjust space available in block */ - HDassert(amt > 0 || dblock->blk_free_space >= (size_t)-amt); - dblock->blk_free_space += amt; - - /* Check if the parent info is set */ - if(dblock->parent) { - H5HF_indirect_t *iblock; /* Block's parent */ - - /* Get the pointer to the shared parent indirect block */ - iblock = dblock->parent; - - /* Adjust this indirect block's child free space */ -#ifdef QAK -HDfprintf(stderr, "%s: iblock->child_free_space = %Hu\n", FUNC, iblock->child_free_space); -#endif /* QAK */ - HDassert(amt > 0 || iblock->ents[dblock->par_entry].free_space >= (hsize_t)-amt); - iblock->ents[dblock->par_entry].free_space += amt; - HDassert(amt > 0 || iblock->child_free_space >= (hsize_t)-amt); - iblock->child_free_space += amt; - - /* Mark indirect block as dirty */ - if(H5HF_iblock_dirty(dxpl_id, iblock) < 0) - HGOTO_ERROR(H5E_HEAP, H5E_CANTDIRTY, FAIL, "can't mark indirect block as dirty") - - /* Modify the free space in parent block(s) */ - while(iblock->parent) { - size_t par_entry; /* Entry in parent */ - - /* Get the pointer to the shared parent indirect block */ - par_entry = iblock->par_entry; - iblock = iblock->parent; - HDassert(iblock); - - /* Adjust this indirect block's child free space */ - HDassert(amt > 0 || iblock->ents[par_entry].free_space >= (hsize_t)-amt); - iblock->ents[par_entry].free_space += amt; - HDassert(amt > 0 || iblock->child_free_space >= (hsize_t)-amt); - iblock->child_free_space += amt; - - /* Mark indirect block as dirty */ - if(H5HF_iblock_dirty(dxpl_id, iblock) < 0) - HGOTO_ERROR(H5E_HEAP, H5E_CANTDIRTY, FAIL, "can't mark indirect block as dirty") - } /* end while */ - } /* end if */ - - /* Update shared heap free space header */ - HDassert(amt > 0 || hdr->total_man_free >= (hsize_t)-amt); - hdr->total_man_free += amt; -#ifdef QAK -HDfprintf(stderr, "%s: hdr->total_man_free = %Hu\n", FUNC, hdr->total_man_free); -#endif /* QAK */ - - /* Mark heap header as modified */ - if(H5HF_hdr_dirty(dxpl_id, hdr) < 0) - HGOTO_ERROR(H5E_HEAP, H5E_CANTDIRTY, FAIL, "can't mark heap header as dirty") - -done: - FUNC_LEAVE_NOAPI(ret_value) -} /* end H5HF_man_dblock_adj_free() */ - - -/*------------------------------------------------------------------------- - * Function: H5HF_man_dblock_new - * - * Purpose: Create a direct block large enough to hold an object of - * the requested size - * - * Return: SUCCEED/FAIL - * - * Programmer: Quincey Koziol - * koziol@ncsa.uiuc.edu - * Mar 13 2006 - * - *------------------------------------------------------------------------- - */ -static herr_t -H5HF_man_dblock_new(H5HF_t *hdr, hid_t dxpl_id, size_t request) -{ - haddr_t dblock_addr; /* Address of new direct block */ - size_t dblock_size; /* Size of new direct block */ - size_t min_dblock_size; /* Min. size of direct block to allocate */ - herr_t ret_value = SUCCEED; /* Return value */ - - FUNC_ENTER_NOAPI_NOINIT(H5HF_man_dblock_new) -#ifdef QAK -HDfprintf(stderr, "%s: request = %Zu\n", FUNC, request); -#endif /* QAK */ - - /* - * Check arguments. - */ - HDassert(hdr); - HDassert(request > 0); - - /* Compute the min. size of the direct block needed to fulfill the request */ - if(request < hdr->man_dtable.cparam.start_block_size) - min_dblock_size = hdr->man_dtable.cparam.start_block_size; - else { - min_dblock_size = 1 << (1 + H5V_log2_gen((hsize_t)request)); - HDassert(min_dblock_size <= hdr->man_dtable.cparam.max_direct_size); - } /* end else */ - - /* Adjust the size of block needed to fulfill request, with overhead */ -#ifdef QAK -HDfprintf(stderr, "%s: Check 1 - min_dblock_size = %Zu\n", FUNC, min_dblock_size); -HDfprintf(stderr, "%s: H5HF_MAN_ABS_DIRECT_OVERHEAD_SIZE = %u\n", FUNC, H5HF_MAN_ABS_DIRECT_OVERHEAD_SIZE(hdr, hdr->man_dtable.cparam.start_block_size)); -HDfprintf(stderr, "%s: H5HF_MAN_ABS_DIRECT_OBJ_PREFIX_LEN = %u\n", FUNC, H5HF_MAN_ABS_DIRECT_OBJ_PREFIX_LEN(hdr)); -#endif /* QAK */ - if((min_dblock_size - request) < (H5HF_MAN_ABS_DIRECT_OVERHEAD_SIZE(hdr, min_dblock_size) - + H5HF_MAN_ABS_DIRECT_OBJ_PREFIX_LEN(hdr))) - min_dblock_size *= 2; -#ifdef QAK -HDfprintf(stderr, "%s: Check 2 - min_dblock_size = %Zu\n", FUNC, min_dblock_size); -#endif /* QAK */ - - /* Check if this is the first block in the heap */ - if(!H5F_addr_defined(hdr->man_dtable.table_addr) && - min_dblock_size == hdr->man_dtable.cparam.start_block_size) { - /* Create new direct block at starting offset */ - dblock_size = hdr->man_dtable.cparam.start_block_size; - if(H5HF_man_dblock_create(dxpl_id, hdr, NULL, 0, dblock_size, (hsize_t)0, &dblock_addr, NULL) < 0) - HGOTO_ERROR(H5E_HEAP, H5E_CANTALLOC, FAIL, "can't allocate fractal heap direct block") - -#ifdef QAK -HDfprintf(stderr, "%s: dblock_addr = %a\n", FUNC, dblock_addr); -#endif /* QAK */ - - /* Point root at new direct block */ - hdr->man_dtable.curr_root_rows = 0; - hdr->man_dtable.table_addr = dblock_addr; - } /* end if */ - /* Root entry already exists, go get indirect block for new direct block */ - else { - H5HF_indirect_t *iblock; /* Pointer to indirect block to create */ - haddr_t iblock_addr; /* Indirect block's address */ - size_t dblock_entry; /* Direct entry for new direct block */ - hsize_t dblock_off; /* Direct block offset in heap address space */ - - /* Find indirect block with room for block of correct size */ - if(NULL == (iblock = H5HF_man_iblock_place_dblock(hdr, dxpl_id, min_dblock_size, &iblock_addr, &dblock_entry, &dblock_size))) - HGOTO_ERROR(H5E_HEAP, H5E_CANTGET, FAIL, "unable to locate indirect block with space for direct block") -#ifdef QAK -HDfprintf(stderr, "%s: iblock_addr = %a\n", FUNC, iblock_addr); -HDfprintf(stderr, "%s: dblock_entry = %Zu\n", FUNC, dblock_entry); -HDfprintf(stderr, "%s: dblock_size = %Zu\n", FUNC, dblock_size); -#endif /* QAK */ - - /* Compute the direct block's offset in the heap's address space */ - dblock_off = iblock->block_off; - dblock_off += hdr->man_dtable.row_block_off[dblock_entry / hdr->man_dtable.cparam.width]; - dblock_off += hdr->man_dtable.row_block_size[dblock_entry / hdr->man_dtable.cparam.width] * (dblock_entry % hdr->man_dtable.cparam.width); - - /* Create new direct block at current location*/ - if(H5HF_man_dblock_create(dxpl_id, hdr, iblock, dblock_entry, dblock_size, dblock_off, &dblock_addr, NULL) < 0) - HGOTO_ERROR(H5E_HEAP, H5E_CANTALLOC, FAIL, "can't allocate fractal heap direct block") - -#ifdef QAK -HDfprintf(stderr, "%s: dblock_addr = %a\n", FUNC, dblock_addr); -#endif /* QAK */ - - /* Point indirect block at new direct block */ - iblock->ents[dblock_entry].addr = dblock_addr; - - /* Mark indirect block as modified */ - if(H5HF_iblock_dirty(dxpl_id, iblock) < 0) - HGOTO_ERROR(H5E_HEAP, H5E_CANTDIRTY, FAIL, "can't mark indirect block as dirty") - - /* Release the indirect block (marked as dirty) */ - if(H5AC_unprotect(hdr->f, dxpl_id, H5AC_FHEAP_IBLOCK, iblock_addr, iblock, H5AC__DIRTIED_FLAG) < 0) - HDONE_ERROR(H5E_HEAP, H5E_CANTUNPROTECT, FAIL, "unable to release fractal heap indirect block") - } /* end else */ - -done: - FUNC_LEAVE_NOAPI(ret_value) -} /* end H5HF_man_dblock_new() */ +} /* H5HF_free_section_free_cb() */ /*------------------------------------------------------------------------- @@ -1055,8 +121,8 @@ done: *------------------------------------------------------------------------- */ herr_t -H5HF_man_find(H5HF_t *fh, hid_t dxpl_id, size_t request, - H5HF_section_free_node_t **sec_node/*out*/) +H5HF_man_find(H5HF_t *hdr, hid_t dxpl_id, size_t request, + H5HF_free_section_t **sec_node/*out*/) { htri_t node_found; /* Whether an existing free list node was found */ herr_t ret_value = SUCCEED; /* Return value */ @@ -1069,12 +135,12 @@ HDfprintf(stderr, "%s: request = %Zu\n", FUNC, request); /* * Check arguments. */ - HDassert(fh); + HDassert(hdr); HDassert(request > 0); HDassert(sec_node); /* Look for free space in global free list */ - if((node_found = H5HF_flist_find(fh->flist, request, (void **)sec_node)) < 0) + if((node_found = H5HF_flist_find(hdr->flist, request, (void **)sec_node)) < 0) HGOTO_ERROR(H5E_HEAP, H5E_CANTALLOC, FAIL, "can't locate free space in fractal heap direct block") /* XXX: Make certain we've loaded all the direct blocks in the heap */ @@ -1082,12 +148,12 @@ HDfprintf(stderr, "%s: request = %Zu\n", FUNC, request); /* If we didn't find a node, go make one big enough to hold the requested block */ if(!node_found) { /* Allocate direct block big enough to hold requested size */ - if(H5HF_man_dblock_new(fh, dxpl_id, request) < 0) + if(H5HF_man_dblock_new(hdr, dxpl_id, request) < 0) HGOTO_ERROR(H5E_HEAP, H5E_CANTCREATE, FAIL, "can't create fractal heap direct block") /* Request space from the free list */ /* (Ought to be able to be filled, now) */ - if(H5HF_flist_find(fh->flist, request, (void **)sec_node) <= 0) + if(H5HF_flist_find(hdr->flist, request, (void **)sec_node) <= 0) HGOTO_ERROR(H5E_HEAP, H5E_CANTALLOC, FAIL, "can't locate free space in fractal heap direct block") } /* end if */ HDassert(*sec_node); @@ -1117,7 +183,7 @@ done: *------------------------------------------------------------------------- */ herr_t -H5HF_man_insert(H5HF_t *hdr, hid_t dxpl_id, H5HF_section_free_node_t *sec_node, +H5HF_man_insert(H5HF_t *hdr, hid_t dxpl_id, H5HF_free_section_t *sec_node, size_t obj_size, const void *obj, void *id) { H5HF_direct_t *dblock = NULL; /* Pointer to direct block to modify */ @@ -1134,18 +200,36 @@ H5HF_man_insert(H5HF_t *hdr, hid_t dxpl_id, H5HF_section_free_node_t *sec_node, HDassert(obj); HDassert(id); + /* Check for indirect section */ + if(sec_node->type == H5HF_SECT_INDIRECT) { +#ifdef QAK +HDfprintf(stderr, "%s: sec_node->sect_addr = %a\n", FUNC, sec_node->sect_addr); +HDfprintf(stderr, "%s: sec_node->sect_size = %Zu\n", FUNC, sec_node->sect_size); +HDfprintf(stderr, "%s: sec_node->u.indirect.iblock_addr = %a\n", FUNC, sec_node->u.indirect.iblock_addr); +HDfprintf(stderr, "%s: sec_node->u.indirect.iblock_nrows = %u\n", FUNC, sec_node->u.indirect.iblock_nrows); +HDfprintf(stderr, "%s: sec_node->u.indirect.row = %u\n", FUNC, sec_node->u.indirect.row); +HDfprintf(stderr, "%s: sec_node->u.indirect.col = %u\n", FUNC, sec_node->u.indirect.col); +HDfprintf(stderr, "%s: sec_node->u.indirect.num_entries = %u\n", FUNC, sec_node->u.indirect.num_entries); +HDfprintf(stderr, "%s: sec_node->u.indirect.indir_row = %u\n", FUNC, sec_node->u.indirect.indir_row); +HDfprintf(stderr, "%s: sec_node->u.indirect.indir_nrows = %u\n", FUNC, sec_node->u.indirect.indir_nrows); +#endif /* QAK */ + + /* Allocate 'single' selection out of 'indirect' selection */ + if(H5HF_man_iblock_alloc_indirect(hdr, dxpl_id, &sec_node, obj_size) < 0) + HGOTO_ERROR(H5E_HEAP, H5E_CANTALLOC, FAIL, "can't break up indirect free section") + } /* end if */ /* Check for range section */ - if(sec_node->type == H5HF_SECT_RANGE) { + else if(sec_node->type == H5HF_SECT_RANGE) { #ifdef QAK HDfprintf(stderr, "%s: sec_node->sect_addr = %a\n", FUNC, sec_node->sect_addr); HDfprintf(stderr, "%s: sec_node->sect_size = %Zu\n", FUNC, sec_node->sect_size); HDfprintf(stderr, "%s: sec_node->u.range.iblock_addr = %a\n", FUNC, sec_node->u.range.iblock_addr); HDfprintf(stderr, "%s: sec_node->u.range.iblock_nrows = %u\n", FUNC, sec_node->u.range.iblock_nrows); -HDfprintf(stderr, "%s: sec_node->u.range.entry = %u\n", FUNC, sec_node->u.range.entry); +HDfprintf(stderr, "%s: sec_node->u.range.row = %u\n", FUNC, sec_node->u.range.row); +HDfprintf(stderr, "%s: sec_node->u.range.col = %u\n", FUNC, sec_node->u.range.col); HDfprintf(stderr, "%s: sec_node->u.range.num_entries = %u\n", FUNC, sec_node->u.range.num_entries); -HDfprintf(stderr, "%s: sec_node->u.range.range = %Hu\n", FUNC, sec_node->u.range.range); #endif /* QAK */ - /* Allocate 'single' selection out of range selection */ + /* Allocate 'single' selection out of 'range' selection */ if(H5HF_man_iblock_alloc_range(hdr, dxpl_id, &sec_node, obj_size) < 0) HGOTO_ERROR(H5E_HEAP, H5E_CANTALLOC, FAIL, "can't break up range free section") } /* end if */ @@ -1175,7 +259,7 @@ HDfprintf(stderr, "%s: sec_node->u.single.dblock_size = %Zu\n", FUNC, sec_node-> unsigned char free_frag_size; /* Size of free space fragment */ /* Locate "local" free list node for section */ -/* XXX: Change to using skip list */ +/* XXX: Change to using skip list? */ obj_off = sec_node->sect_addr - dblock->block_off; node = dblock->free_list->first; while(node->my_offset != obj_off) @@ -1185,6 +269,11 @@ HDfprintf(stderr, "%s: sec_node->u.single.dblock_size = %Zu\n", FUNC, sec_node-> full_obj_size = obj_size + H5HF_MAN_ABS_DIRECT_OBJ_PREFIX_LEN(hdr); /* Sanity checks */ +#ifdef QAK +HDfprintf(stderr, "%s: hdr->total_man_free = %Hu\n", FUNC, hdr->total_man_free); +HDfprintf(stderr, "%s: dblock->blk_free_space = %Zu\n", FUNC, dblock->blk_free_space); +HDfprintf(stderr, "%s: dblock->block_off = %Hu\n", FUNC, dblock->block_off); +#endif /* QAK */ HDassert(dblock->blk_free_space >= obj_size); HDassert(dblock->free_list); HDassert(node->size >= full_obj_size); @@ -1227,7 +316,7 @@ HDfprintf(stderr, "%s: node->size = %Zu\n", FUNC, node->size); /* Release the memory for the free list node & section */ H5FL_FREE(H5HF_direct_free_node_t, node); - H5FL_FREE(H5HF_section_free_node_t, sec_node); + H5FL_FREE(H5HF_free_section_t, sec_node); } /* end if */ else { /* Allocate object from end of free space node */ @@ -1338,6 +427,9 @@ H5HF_man_read(H5HF_t *hdr, hid_t dxpl_id, hsize_t obj_off, size_t obj_len, void herr_t ret_value = SUCCEED; /* Return value */ FUNC_ENTER_NOAPI_NOINIT(H5HF_man_read) +#ifdef QAK +HDfprintf(stderr, "%s: obj_off = %Hu, obj_len = %Zu\n", FUNC, obj_off, obj_len); +#endif /* QAK */ /* * Check arguments. @@ -1371,6 +463,9 @@ HDfprintf(stderr, "%s: row = %u, col = %u\n", FUNC, row, col); /* Set initial indirect block info */ iblock_addr = hdr->man_dtable.table_addr; +#ifdef QAK +HDfprintf(stderr, "%s: iblock_addr = %a\n", FUNC, iblock_addr); +#endif /* QAK */ /* Lock indirect block */ if(NULL == (iblock = H5AC_protect(hdr->f, dxpl_id, H5AC_FHEAP_IBLOCK, iblock_addr, &hdr->man_dtable.curr_root_rows, hdr, H5AC_READ))) @@ -1387,6 +482,9 @@ HDfprintf(stderr, "%s: row = %u, col = %u\n", FUNC, row, col); /* Compute indirect block's entry */ entry = (row * hdr->man_dtable.cparam.width) + col; +#ifdef QAK +HDfprintf(stderr, "%s: entry = %Zu\n", FUNC, entry); +#endif /* QAK */ /* Locate child indirect block */ new_iblock_addr = iblock->ents[entry].addr; @@ -1395,13 +493,17 @@ HDfprintf(stderr, "%s: row = %u, col = %u\n", FUNC, row, col); if(NULL == (new_iblock = H5AC_protect(hdr->f, dxpl_id, H5AC_FHEAP_IBLOCK, new_iblock_addr, &nrows, hdr, H5AC_READ))) HGOTO_ERROR(H5E_HEAP, H5E_CANTPROTECT, FAIL, "unable to protect fractal heap indirect block") - /* Release the current indirect block (possibly marked as dirty) */ + /* Release the current indirect block */ if(H5AC_unprotect(hdr->f, dxpl_id, H5AC_FHEAP_IBLOCK, iblock_addr, iblock, H5AC__NO_FLAGS_SET) < 0) HDONE_ERROR(H5E_HEAP, H5E_CANTUNPROTECT, FAIL, "unable to release fractal heap indirect block") /* Switch variables to use new indirect block */ iblock = new_iblock; iblock_addr = new_iblock_addr; +#ifdef QAK +HDfprintf(stderr, "%s: iblock_addr = %a\n", FUNC, iblock_addr); +HDfprintf(stderr, "%s: iblock->block_off = %Hu\n", FUNC, iblock->block_off); +#endif /* QAK */ /* Look up row & column in new indirect block for object */ if(H5HF_dtable_lookup(&hdr->man_dtable, (obj_off - iblock->block_off), &row, &col) < 0) @@ -1431,6 +533,9 @@ HDfprintf(stderr, "%s: entry address = %a\n", FUNC, iblock->ents[entry].addr); HDONE_ERROR(H5E_HEAP, H5E_CANTUNPROTECT, FAIL, "unable to release fractal heap indirect block") iblock = NULL; } /* end else */ +#ifdef QAK +HDfprintf(stderr, "%s: dblock_addr = %a, dblock_size = %Zu\n", FUNC, dblock_addr, dblock_size); +#endif /* QAK */ /* Compute offset of object within block */ HDassert((obj_off - dblock->block_off) < (hsize_t)dblock_size); @@ -1454,1021 +559,3 @@ done: FUNC_LEAVE_NOAPI(ret_value) } /* end H5HF_man_read() */ - -/*------------------------------------------------------------------------- - * Function: H5HF_hdr_incr - * - * Purpose: Increment reference count on shared heap header - * - * Return: Non-negative on success/Negative on failure - * - * Programmer: Quincey Koziol - * koziol@ncsa.uiuc.edu - * Mar 27 2006 - * - *------------------------------------------------------------------------- - */ -herr_t -H5HF_hdr_incr(H5HF_t *hdr) -{ - FUNC_ENTER_NOAPI_NOINIT_NOFUNC(H5HF_hdr_incr) - - /* Sanity check */ - HDassert(hdr); - -/* XXX: When "un-evictable" feature is finished, mark the header as - * unevictable on the first block to share it. - QAK - */ - - /* Increment reference count on shared header */ - hdr->rc++; - - FUNC_LEAVE_NOAPI(SUCCEED) -} /* end H5HF_hdr_incr() */ - - -/*------------------------------------------------------------------------- - * Function: H5HF_hdr_decr - * - * Purpose: Decrement reference count on shared heap header - * - * Return: Non-negative on success/Negative on failure - * - * Programmer: Quincey Koziol - * koziol@ncsa.uiuc.edu - * Mar 27 2006 - * - *------------------------------------------------------------------------- - */ -herr_t -H5HF_hdr_decr(H5HF_t *hdr) -{ - FUNC_ENTER_NOAPI_NOINIT_NOFUNC(H5HF_hdr_decr) - - /* Sanity check */ - HDassert(hdr); - - /* Decrement reference count on shared header */ - hdr->rc--; - -/* XXX: When "un-evictable" feature is finished, mark the header as - * evictable when the ref. count drops to zero. - QAK - */ -/* XXX: Take this call out after "un-evictable" flag is working */ - H5HF_cache_hdr_dest_real(hdr); - - FUNC_LEAVE_NOAPI(SUCCEED) -} /* end H5HF_hdr_decr() */ - - -/*------------------------------------------------------------------------- - * Function: H5HF_hdr_dirty - * - * Purpose: Mark heap header as dirty - * - * Return: Non-negative on success/Negative on failure - * - * Programmer: Quincey Koziol - * koziol@ncsa.uiuc.edu - * Mar 27 2006 - * - *------------------------------------------------------------------------- - */ -static herr_t -H5HF_hdr_dirty(hid_t dxpl_id, H5HF_t *hdr) -{ - H5HF_t *tmp_hdr; /* Temporary pointer to heap header */ - hbool_t is_protected; /* Whether the indirect block is protected */ - herr_t ret_value = SUCCEED; /* Return value */ - - FUNC_ENTER_NOAPI_NOINIT(H5HF_hdr_dirty) -#ifdef QAK -HDfprintf(stderr, "%s: Marking heap header as dirty\n", FUNC); -#endif /* QAK */ - - /* Sanity check */ - HDassert(hdr); - -/* XXX: When "un-evictable" feature is finished, just mark the header as dirty - * in the cache, instead of this protect -> unprotect kludge - QAK - */ - /* Protect the header */ - is_protected = hdr->cache_info.is_protected; - if(!is_protected) { -#ifdef QAK -HDfprintf(stderr, "%s: hdr->heap_addr = %a\n", FUNC, hdr->heap_addr); -#endif /* QAK */ - if(NULL == (tmp_hdr = H5AC_protect(hdr->f, dxpl_id, H5AC_FHEAP_HDR, hdr->heap_addr, NULL, NULL, H5AC_WRITE))) - HGOTO_ERROR(H5E_HEAP, H5E_CANTPROTECT, FAIL, "unable to protect fractal heap indirect block") - HDassert(hdr == tmp_hdr); - } /* end if */ - - /* Set the dirty flags for the heap header */ - hdr->dirty = TRUE; - - /* Release the heap header (marked as dirty) */ - if(!is_protected) { - if(H5AC_unprotect(hdr->f, dxpl_id, H5AC_FHEAP_HDR, hdr->heap_addr, tmp_hdr, H5AC__DIRTIED_FLAG) < 0) - HDONE_ERROR(H5E_HEAP, H5E_CANTUNPROTECT, FAIL, "unable to release fractal heap indirect block") - } /* end if */ - -done: - FUNC_LEAVE_NOAPI(ret_value) -} /* end H5HF_hdr_dirty() */ - - -/*------------------------------------------------------------------------- - * Function: H5HF_iblock_incr - * - * Purpose: Increment reference count on shared indirect block - * - * Return: Non-negative on success/Negative on failure - * - * Programmer: Quincey Koziol - * koziol@ncsa.uiuc.edu - * Mar 27 2006 - * - *------------------------------------------------------------------------- - */ -herr_t -H5HF_iblock_incr(H5HF_indirect_t *iblock) -{ - FUNC_ENTER_NOAPI_NOINIT_NOFUNC(H5HF_iblock_incr) - - /* Sanity check */ - HDassert(iblock); - -/* XXX: When "un-evictable" feature is finished, mark the block as - * unevictable on the first block to share it. - QAK - */ - - /* Increment reference count on shared indirect block */ - iblock->rc++; - - FUNC_LEAVE_NOAPI(SUCCEED) -} /* end H5HF_iblock_incr() */ - - -/*------------------------------------------------------------------------- - * Function: H5HF_iblock_decr - * - * Purpose: Decrement reference count on shared indirect block - * - * Return: Non-negative on success/Negative on failure - * - * Programmer: Quincey Koziol - * koziol@ncsa.uiuc.edu - * Mar 27 2006 - * - *------------------------------------------------------------------------- - */ -herr_t -H5HF_iblock_decr(H5HF_indirect_t *iblock) -{ - FUNC_ENTER_NOAPI_NOINIT_NOFUNC(H5HF_iblock_decr) - - /* Sanity check */ - HDassert(iblock); - - /* Decrement reference count on shared indirect block */ - iblock->rc--; - -/* XXX: When "un-evictable" feature is finished, mark the block as - * evictable when the ref. count drops to zero. - QAK - */ -/* XXX: Take this call out after "un-evictable" flag is working */ - H5HF_cache_iblock_dest_real(iblock); - - - FUNC_LEAVE_NOAPI(SUCCEED) -} /* end H5HF_iblock_decr() */ - - -/*------------------------------------------------------------------------- - * Function: H5HF_iblock_dirty - * - * Purpose: Mark indirect block as dirty - * - * Return: Non-negative on success/Negative on failure - * - * Programmer: Quincey Koziol - * koziol@ncsa.uiuc.edu - * Mar 21 2006 - * - *------------------------------------------------------------------------- - */ -static herr_t -H5HF_iblock_dirty(hid_t dxpl_id, H5HF_indirect_t *iblock) -{ - H5HF_indirect_t *tmp_iblock; /* Temporary pointer to indirect block */ - hbool_t is_protected; /* Whether the indirect block is protected */ - herr_t ret_value = SUCCEED; /* Return value */ - - FUNC_ENTER_NOAPI_NOINIT(H5HF_iblock_dirty) -#ifdef QAK -HDfprintf(stderr, "%s: Marking indirect block as dirty\n", FUNC); -#endif /* QAK */ - - /* Sanity check */ - HDassert(iblock); - -/* XXX: When "un-evictable" feature is finished, just mark the block as dirty - * in the cache, instead of this protect -> unprotect kludge - QAK - */ - /* Protect the indirect block */ - is_protected = iblock->cache_info.is_protected; - if(!is_protected) { -#ifdef QAK -HDfprintf(stderr, "%s: iblock->addr = %a\n", FUNC, iblock->addr); -#endif /* QAK */ - if(NULL == (tmp_iblock = H5AC_protect(iblock->shared->f, dxpl_id, H5AC_FHEAP_IBLOCK, iblock->addr, &iblock->nrows, iblock->shared, H5AC_WRITE))) - HGOTO_ERROR(H5E_HEAP, H5E_CANTPROTECT, FAIL, "unable to protect fractal heap indirect block") - HDassert(iblock == tmp_iblock); - } /* end if */ - - /* Set the dirty flags for the indirect block */ - iblock->dirty = TRUE; - - /* Release the indirect block (marked as dirty) */ - if(!is_protected) { - if(H5AC_unprotect(iblock->shared->f, dxpl_id, H5AC_FHEAP_IBLOCK, iblock->addr, tmp_iblock, H5AC__DIRTIED_FLAG) < 0) - HDONE_ERROR(H5E_HEAP, H5E_CANTUNPROTECT, FAIL, "unable to release fractal heap indirect block") - } /* end if */ - -done: - FUNC_LEAVE_NOAPI(ret_value) -} /* end H5HF_iblock_dirty() */ - - -/*------------------------------------------------------------------------- - * Function: H5HF_man_iblock_adj_free - * - * Purpose: Adjust the free space for an indirect block, and it's parents - * - * Return: SUCCEED/FAIL - * - * Programmer: Quincey Koziol - * koziol@ncsa.uiuc.edu - * Mar 28 2006 - * - *------------------------------------------------------------------------- - */ -static herr_t -H5HF_man_iblock_adj_free(hid_t dxpl_id, H5HF_indirect_t *iblock, ssize_t amt) -{ - H5HF_t *hdr; /* Shared heap information */ - herr_t ret_value = SUCCEED; /* Return value */ - - FUNC_ENTER_NOAPI_NOINIT(H5HF_man_iblock_adj_free) -#ifdef QAK -HDfprintf(stderr, "%s: amt = %Zd\n", FUNC, amt); -#endif /* QAK */ - - /* - * Check arguments. - */ - HDassert(iblock); - - /* Get the pointer to the shared heap header */ - hdr = iblock->shared; - - /* Adjust space available in block */ - HDassert(amt > 0 || iblock->child_free_space >= (hsize_t)-amt); - iblock->child_free_space += amt; - - /* Check if the parent info is set */ - while(iblock->parent) { - size_t par_entry; /* Entry in parent */ - - /* Get the pointer to the shared parent indirect block */ - par_entry = iblock->par_entry; - iblock = iblock->parent; - HDassert(iblock); - - /* Adjust this indirect block's child free space */ -#ifdef QAK -HDfprintf(stderr, "%s: iblock->child_free_space = %Hu\n", FUNC, iblock->child_free_space); -#endif /* QAK */ - HDassert(amt > 0 || iblock->ents[par_entry].free_space >= (hsize_t)-amt); - iblock->ents[par_entry].free_space += amt; - HDassert(amt > 0 || iblock->child_free_space >= (hsize_t)-amt); - iblock->child_free_space += amt; - - /* Mark indirect block as dirty */ - if(H5HF_iblock_dirty(dxpl_id, iblock) < 0) - HGOTO_ERROR(H5E_HEAP, H5E_CANTDIRTY, FAIL, "can't mark indirect block as dirty") - } /* end if */ - - /* Update shared heap free space header */ - HDassert(amt > 0 || hdr->total_man_free >= (hsize_t)-amt); - hdr->total_man_free += amt; -#ifdef QAK -HDfprintf(stderr, "%s: hdr->total_man_free = %Hu\n", FUNC, hdr->total_man_free); -#endif /* QAK */ - - /* Mark heap header as modified */ - if(H5HF_hdr_dirty(dxpl_id, hdr) < 0) - HGOTO_ERROR(H5E_HEAP, H5E_CANTDIRTY, FAIL, "can't mark heap header as dirty") - -done: - FUNC_LEAVE_NOAPI(ret_value) -} /* end H5HF_man_iblock_adj_free() */ - - -/*------------------------------------------------------------------------- - * Function: H5HF_man_iblock_place_dblock - * - * Purpose: Find indirect block with location for placing a direct block - * - * Note: Creates necessary indirect blocks - * - * Return: Pointer to indirect block on success, NULL on failure - * - * Programmer: Quincey Koziol - * koziol@ncsa.uiuc.edu - * Mar 14 2006 - * - *------------------------------------------------------------------------- - */ -static H5HF_indirect_t * -H5HF_man_iblock_place_dblock(H5HF_t *hdr, hid_t dxpl_id, size_t min_dblock_size, - haddr_t *addr_p, size_t *entry_p, size_t *dblock_size) -{ - H5HF_indirect_t *iblock; /* Pointer to indirect block */ - haddr_t iblock_addr; /* Indirect block's address */ - H5HF_indirect_t *ret_value; /* Return value */ - - FUNC_ENTER_NOAPI_NOINIT(H5HF_man_iblock_place_dblock) -#ifdef QAK -HDfprintf(stderr, "%s: min_dblock_size = %Zu\n", FUNC, min_dblock_size); -#endif /* QAK */ - - /* - * Check arguments. - */ - HDassert(hdr); - HDassert(min_dblock_size > 0); - HDassert(addr_p); - - /* Check for creating first indirect block */ - if(hdr->man_dtable.curr_root_rows == 0) { - H5HF_direct_t *dblock; /* Pointer to direct block to query */ - hbool_t have_direct_block; /* Flag to indicate a direct block already exists */ - unsigned nrows; /* Number of rows for root indirect block */ - -#ifdef QAK -HDfprintf(stderr, "%s: creating first indirect block\n", FUNC); -#endif /* QAK */ - /* Check for allocating entire root indirect block initially */ - if(hdr->man_dtable.cparam.start_root_rows == 0) - nrows = hdr->man_dtable.max_root_rows; - else { - unsigned rows_needed; /* Number of rows needed to get to direct block size */ - - nrows = hdr->man_dtable.cparam.start_root_rows; - rows_needed = 2 + (H5V_log2_of2(min_dblock_size) - H5V_log2_of2(hdr->man_dtable.cparam.start_block_size)); - if(nrows < rows_needed) - nrows = rows_needed; - } /* end else */ -#ifdef QAK -HDfprintf(stderr, "%s: nrows = %u\n", FUNC, nrows); -#endif /* QAK */ - - /* Allocate root indirect block */ - if(H5HF_man_iblock_create(hdr, dxpl_id, (hsize_t)0, nrows, hdr->man_dtable.max_root_rows, &iblock_addr) < 0) - HGOTO_ERROR(H5E_HEAP, H5E_CANTALLOC, NULL, "can't allocate fractal heap indirect block") -#ifdef QAK -HDfprintf(stderr, "%s: iblock_addr = %a\n", FUNC, iblock_addr); -#endif /* QAK */ - - /* Move current direct block (used as root) into new indirect block */ - - /* Lock new indirect block */ - if(NULL == (iblock = H5AC_protect(hdr->f, dxpl_id, H5AC_FHEAP_IBLOCK, iblock_addr, &nrows, hdr, H5AC_WRITE))) - HGOTO_ERROR(H5E_HEAP, H5E_CANTPROTECT, NULL, "unable to protect fractal heap indirect block") - - /* Check if there's already a direct block as root) */ - have_direct_block = H5F_addr_defined(hdr->man_dtable.table_addr); - if(have_direct_block) { - /* Lock first (root) direct block */ - if(NULL == (dblock = H5AC_protect(hdr->f, dxpl_id, H5AC_FHEAP_DBLOCK, hdr->man_dtable.table_addr, &hdr->man_dtable.cparam.start_block_size, hdr, H5AC_READ))) - HGOTO_ERROR(H5E_HEAP, H5E_CANTPROTECT, NULL, "unable to protect fractal heap direct block") - - /* Point indirect block at direct block to add */ - iblock->ents[0].addr = hdr->man_dtable.table_addr; - iblock->ents[0].free_space = dblock->blk_free_space; - iblock->child_free_space += dblock->blk_free_space; - - /* Make direct block share parent indirect block */ - dblock->parent = iblock; - dblock->par_entry = 0; - dblock->par_addr = iblock->addr; - dblock->par_nrows = iblock->nrows; - if(H5HF_iblock_incr(iblock) < 0) - HGOTO_ERROR(H5E_HEAP, H5E_CANTINC, NULL, "can't increment reference count on shared indirect block") - - /* Unlock first (root) direct block */ - if(H5AC_unprotect(hdr->f, dxpl_id, H5AC_FHEAP_DBLOCK, hdr->man_dtable.table_addr, dblock, H5AC__NO_FLAGS_SET) < 0) - HDONE_ERROR(H5E_HEAP, H5E_CANTUNPROTECT, NULL, "unable to release fractal heap direct block") - dblock = NULL; - - /* Increment size of next block from this indirect block */ - /* (account for the already existing direct block */ - if(H5HF_man_iblock_inc_loc(iblock) < 0) - HGOTO_ERROR(H5E_HEAP, H5E_CANTINC, NULL, "can't advance fractal heap block location") - } /* end if */ - - /* Check for skipping over direct blocks, in order to get to large enough block */ - if(min_dblock_size > iblock->next_size) { - H5HF_section_free_node_t *sec_node; /* Pointer to free list section for range */ - size_t dblock_free_space; /* Size of free space for direct block */ - hsize_t range; /* Size range skipped over */ - unsigned cur_entry; /* Current entry */ - unsigned u, v; /* Local index variables */ - - /* Initialize information for rows skipped over */ - cur_entry = (unsigned)have_direct_block; - range = 0; - for(u = 0; u < (nrows - 1); u++) { - /* Compute free space in direct blocks for this row */ - dblock_free_space = hdr->man_dtable.row_block_size[u] - - (H5HF_MAN_ABS_DIRECT_OVERHEAD_SIZE(hdr, hdr->man_dtable.row_block_size[u]) - + H5HF_MAN_ABS_DIRECT_OBJ_PREFIX_LEN(hdr)); - - /* Initialize information for this row */ - if(u == 0 && have_direct_block) - v = 1; - else - v = 0; - for(; v < hdr->man_dtable.cparam.width; v++) { - /* Initialize entry for this row */ - iblock->ents[cur_entry].addr = HADDR_UNDEF; - iblock->ents[cur_entry].free_space = dblock_free_space; - - /* Increment block and heap's free space */ - if(H5HF_man_iblock_adj_free(dxpl_id, iblock, (ssize_t)dblock_free_space) < 0) - HGOTO_ERROR(H5E_HEAP, H5E_CANTDEC, NULL, "can't adjust free space for indirect block & parents") - - /* Increment range skipped */ - range += hdr->man_dtable.row_block_size[u]; - - /* Move to next entry */ - cur_entry++; - } /* end for */ - } /* end for */ - - /* Set indirect block's "next entry" information */ - iblock->next_col = 0; - iblock->next_row = u; - iblock->next_size = hdr->man_dtable.row_block_size[u]; - iblock->next_entry = cur_entry; - HDassert(iblock->next_size == min_dblock_size); - - /* Create free space section for blocks skipped over */ - - /* Create free list section node for blocks skipped over */ - if(NULL == (sec_node = H5FL_MALLOC(H5HF_section_free_node_t))) - HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, NULL, "memory allocation failed for direct block free list section") - - /* Set section's information */ - sec_node->sect_addr = (hsize_t)have_direct_block * hdr->man_dtable.row_block_size[0]; /* Range starts at offset 0 in the heap */ - sec_node->sect_size = dblock_free_space; - sec_node->type = H5HF_SECT_RANGE; - sec_node->u.range.iblock_addr = iblock->addr; - sec_node->u.range.iblock_nrows = iblock->nrows; - sec_node->u.range.entry = (unsigned)have_direct_block; - sec_node->u.range.num_entries = cur_entry - (unsigned)have_direct_block; - sec_node->u.range.range = range; - - /* Add new free space to the global list of space */ - if(H5HF_flist_add(hdr->flist, sec_node, &sec_node->sect_size, &sec_node->sect_addr) < 0) - HGOTO_ERROR(H5E_HEAP, H5E_CANTINIT, NULL, "can't add indirect block free space to global list") - } /* end else */ - - /* Mark indirect block as modified */ - if(H5HF_iblock_dirty(dxpl_id, iblock) < 0) - HGOTO_ERROR(H5E_HEAP, H5E_CANTDIRTY, NULL, "can't mark indirect block as dirty") - - /* Point heap header at new indirect block */ - hdr->man_dtable.curr_root_rows = nrows; - hdr->man_dtable.table_addr = iblock_addr; - - /* Mark heap header as modified */ - hdr->dirty = TRUE; - } /* end if */ - else { -#ifdef QAK -HDfprintf(stderr, "%s: searching root indirect block\n", FUNC); -#endif /* QAK */ - - /* Lock root indirect block */ - iblock_addr = hdr->man_dtable.table_addr; - if(NULL == (iblock = H5AC_protect(hdr->f, dxpl_id, H5AC_FHEAP_IBLOCK, iblock_addr, &hdr->man_dtable.curr_root_rows, hdr, H5AC_WRITE))) - HGOTO_ERROR(H5E_HEAP, H5E_CANTPROTECT, NULL, "unable to protect fractal heap indirect block") - -#ifdef QAK -HDfprintf(stderr, "%s: iblock->nrows = %u\n", FUNC, iblock->nrows); -#endif /* QAK */ - /* Check if we need a block past current allocation */ - if(iblock->next_row == iblock->nrows) { - haddr_t new_addr; /* New address of indirect block */ - unsigned new_nrows; /* New # of direct rows */ - size_t u; /* Local index variable */ - - /* Check for special case of second row, which has blocks the same size as first row */ - if(iblock->next_row == 1) - iblock->next_size = hdr->man_dtable.cparam.start_block_size; - - /* Compute new # of rows in indirect block */ - new_nrows = MIN(2 * iblock->nrows, iblock->max_rows); -#ifdef QAK -HDfprintf(stderr, "%s: new_nrows = %u\n", FUNC, new_nrows); -#endif /* QAK */ - -/* Currently, the old chunk 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 should keep the file smaller also, by freeing the space and then -* allocating new space, instead of vice versa (in H5MF_realloc). -* -* QAK - 3/14/2006 -*/ - /* Free previous indirect block disk space */ - if(H5MF_xfree(hdr->f, H5FD_MEM_FHEAP_IBLOCK, dxpl_id, iblock_addr, (hsize_t)iblock->size)<0) - HGOTO_ERROR(H5E_STORAGE, H5E_CANTFREE, NULL, "unable to free fractal heap indirect block") - - /* Compute size of buffer needed for new indirect block */ - iblock->nrows = new_nrows; - iblock->size = H5HF_MAN_INDIRECT_SIZE(hdr, iblock); - - /* Allocate space for the new indirect block on disk */ - if(HADDR_UNDEF == (new_addr = H5MF_alloc(hdr->f, H5FD_MEM_FHEAP_IBLOCK, dxpl_id, (hsize_t)iblock->size))) - HGOTO_ERROR(H5E_STORAGE, H5E_NOSPACE, NULL, "file allocation failed for fractal heap indirect block") - - /* Re-allocate direct block entry table */ - if(NULL == (iblock->ents = H5FL_SEQ_REALLOC(H5HF_indirect_ent_t, iblock->ents, (iblock->nrows * hdr->man_dtable.cparam.width)))) - HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, NULL, "memory allocation failed for direct entries") - - /* Initialize new direct block entries */ - for(u = (iblock->next_row * hdr->man_dtable.cparam.width); - u < (iblock->nrows * hdr->man_dtable.cparam.width); - u++) { - iblock->ents[u].addr = HADDR_UNDEF; - iblock->ents[u].free_space = 0; - } /* end for */ - - /* Mark indirect block as dirty */ - if(H5HF_iblock_dirty(dxpl_id, iblock) < 0) - HGOTO_ERROR(H5E_HEAP, H5E_CANTDIRTY, NULL, "can't mark indirect block as dirty") - - /* Release the indirect block (marked as dirty) */ - if(H5AC_unprotect(hdr->f, dxpl_id, H5AC_FHEAP_IBLOCK, iblock_addr, iblock, H5AC__DIRTIED_FLAG) < 0) - HDONE_ERROR(H5E_HEAP, H5E_CANTUNPROTECT, NULL, "unable to release fractal heap indirect block") - iblock = NULL; - - /* Move object in cache */ - if(H5AC_rename(hdr->f, H5AC_FHEAP_IBLOCK, iblock_addr, new_addr) < 0) - HGOTO_ERROR(H5E_HEAP, H5E_CANTSPLIT, NULL, "unable to move fractal heap root indirect block") - - /* Update other shared header info */ - hdr->man_dtable.curr_root_rows = new_nrows; - hdr->man_dtable.table_addr = iblock_addr = new_addr; - - /* Mark heap header as modified */ - hdr->dirty = TRUE; - - /* Lock root indirect block (again) */ - if(NULL == (iblock = H5AC_protect(hdr->f, dxpl_id, H5AC_FHEAP_IBLOCK, iblock_addr, &hdr->man_dtable.curr_root_rows, hdr, H5AC_WRITE))) - HGOTO_ERROR(H5E_HEAP, H5E_CANTPROTECT, NULL, "unable to protect fractal heap indirect block") - iblock->addr = iblock_addr; - } /* end if */ - -#ifdef QAK -HDfprintf(stderr, "%s: iblock->next_row = %u\n", FUNC, iblock->next_row); -HDfprintf(stderr, "%s: iblock->next_col = %u\n", FUNC, iblock->next_col); -HDfprintf(stderr, "%s: iblock->next_size = %Zu\n", FUNC, iblock->next_size); -HDfprintf(stderr, "%s: iblock->next_entry = %u\n", FUNC, iblock->next_entry); -#endif /* QAK */ - /* Check for full direct block entries in current indirect block */ - while(iblock->next_row >= hdr->man_dtable.max_direct_rows) { - haddr_t new_iblock_addr; /* New indirect block's address */ - H5HF_indirect_t *new_iblock; /* Pointer to new indirect block */ - unsigned hdr_flags = H5AC__NO_FLAGS_SET; /* Metadata cache flags for header */ - unsigned nrows; /* Number of rows in new indirect block */ - - /* Compute # of rows in child indirect block */ - nrows = (H5V_log2_gen(iblock->next_size) - hdr->man_dtable.first_row_bits) + 1; -#ifdef QAK -HDfprintf(stderr, "%s: iblock->next_size = %Hu, nrows = %u\n", FUNC, iblock->next_size, nrows); -#endif /* QAK */ - - /* Check for allocating new indirect block */ - if(!H5F_addr_defined(iblock->ents[iblock->next_entry].addr)) { - hsize_t new_iblock_off; /* Direct block offset in heap address space */ -#ifdef QAK -HDfprintf(stderr, "%s: Allocating new indirect block\n", FUNC); -#endif /* QAK */ - /* Compute the direct block's offset in the heap's address space */ - new_iblock_off = iblock->block_off; - new_iblock_off += hdr->man_dtable.row_block_off[iblock->next_entry / hdr->man_dtable.cparam.width]; - new_iblock_off += hdr->man_dtable.row_block_size[iblock->next_entry / hdr->man_dtable.cparam.width] * (iblock->next_entry % hdr->man_dtable.cparam.width); - - /* Allocate new indirect block */ - if(H5HF_man_iblock_create(hdr, dxpl_id, new_iblock_off, nrows, nrows, &new_iblock_addr) < 0) - HGOTO_ERROR(H5E_HEAP, H5E_CANTALLOC, NULL, "can't allocate fractal heap indirect block") - - /* Lock new indirect block */ - if(NULL == (new_iblock = H5AC_protect(hdr->f, dxpl_id, H5AC_FHEAP_IBLOCK, new_iblock_addr, &nrows, hdr, H5AC_WRITE))) - HGOTO_ERROR(H5E_HEAP, H5E_CANTPROTECT, NULL, "unable to protect fractal heap indirect block") - - /* Set parent information */ - HDassert(new_iblock->parent == NULL); - new_iblock->parent = iblock; - new_iblock->par_entry = iblock->next_entry; - new_iblock->par_nrows = iblock->nrows; - new_iblock->par_addr = iblock->addr; - if(H5HF_iblock_incr(iblock) < 0) - HGOTO_ERROR(H5E_HEAP, H5E_CANTINC, NULL, "can't increment reference count on shared indirect block") - - /* Point current indirect block at new indirect block */ - iblock->ents[iblock->next_entry].addr = new_iblock_addr; - - /* Mark current indirect block as modified */ - if(H5HF_iblock_dirty(dxpl_id, iblock) < 0) - HGOTO_ERROR(H5E_HEAP, H5E_CANTDIRTY, NULL, "can't mark indirect block as dirty") - - /* Release the current indirect block (marked as dirty) */ - hdr_flags |= H5AC__DIRTIED_FLAG; - } /* end if */ - else { -#ifdef QAK -HDfprintf(stderr, "%s: Descending existing indirect block\n", FUNC); -#endif /* QAK */ - /* Locate child indirect block */ - new_iblock_addr = iblock->ents[iblock->next_entry].addr; - - /* Lock new indirect block */ - if(NULL == (new_iblock = H5AC_protect(hdr->f, dxpl_id, H5AC_FHEAP_IBLOCK, new_iblock_addr, &nrows, hdr, H5AC_WRITE))) - HGOTO_ERROR(H5E_HEAP, H5E_CANTPROTECT, NULL, "unable to protect fractal heap indirect block") - } /* end else */ -#ifdef QAK -HDfprintf(stderr, "%s: new_iblock->next_row = %u\n", FUNC, new_iblock->next_row); -HDfprintf(stderr, "%s: new_iblock->next_col = %u\n", FUNC, new_iblock->next_col); -HDfprintf(stderr, "%s: new_iblock->next_size = %Zu\n", FUNC, new_iblock->next_size); -HDfprintf(stderr, "%s: new_iblock->next_entry = %u\n", FUNC, new_iblock->next_entry); -#endif /* QAK */ - - /* Release the current indirect block (possibly marked as dirty) */ - if(H5AC_unprotect(hdr->f, dxpl_id, H5AC_FHEAP_IBLOCK, iblock_addr, iblock, hdr_flags) < 0) - HDONE_ERROR(H5E_HEAP, H5E_CANTUNPROTECT, NULL, "unable to release fractal heap indirect block") - - /* Switch variables to use new indirect block */ - iblock = new_iblock; - iblock_addr = new_iblock_addr; -#ifdef QAK -HDfprintf(stderr, "%s: new_iblock_addr = %a\n", FUNC, new_iblock_addr); -#endif /* QAK */ - } /* end while */ - } /* end else */ - - /* Check for skipping over blocks */ - if(min_dblock_size > iblock->next_size) { -HDfprintf(stderr, "%s: Skipping direct block sizes not supported\n", FUNC); -HGOTO_ERROR(H5E_HEAP, H5E_UNSUPPORTED, NULL, "skipping direct block sizes not supported yet") - } /* end if */ - - /* Set address of indirect block that's the immediate parent of new direct block */ - *addr_p = iblock_addr; - - /* Set entry for new direct block to use */ - *entry_p = iblock->next_entry; - - /* Set size of direct block to create */ - *dblock_size = iblock->next_size; - - /* Increment location of next block from this indirect block */ - if(H5HF_man_iblock_inc_loc(iblock) < 0) - HGOTO_ERROR(H5E_HEAP, H5E_CANTINC, NULL, "can't advance fractal heap block location") - - /* Set return value */ - ret_value = iblock; - -done: - FUNC_LEAVE_NOAPI(ret_value) -} /* end H5HF_man_iblock_place_dblock() */ - - -/*------------------------------------------------------------------------- - * Function: H5HF_man_iblock_alloc_range - * - * Purpose: Allocate a "single" section for an object, out of a "range" - * section - * - * Note: Creates necessary direct & indirect blocks - * - * Return: Non-negative on success/Negative on failure - * - * Programmer: Quincey Koziol - * koziol@ncsa.uiuc.edu - * Mar 28 2006 - * - *------------------------------------------------------------------------- - */ -static herr_t -H5HF_man_iblock_alloc_range(H5HF_t *hdr, hid_t dxpl_id, - H5HF_section_free_node_t **sec_node, size_t obj_size) -{ - H5HF_indirect_t *iblock; /* Pointer to indirect block */ - haddr_t iblock_addr; /* Indirect block's address */ - haddr_t dblock_addr; /* Direct block's address */ - unsigned iblock_nrows; /* Indirect block's number of rows */ - H5HF_section_free_node_t *dblock_sec_node = NULL; /* Pointer to direct block's section node */ - H5HF_section_free_node_t *old_sec_node = *sec_node; /* Pointer to old section node */ - size_t full_obj_size; /* Size of object including metadata */ - unsigned cur_entry; /* Current entry in indirect block */ - unsigned cur_row; /* Current row in indirect block */ - size_t row_size; /* Size of objects in current row */ - hsize_t range_covered; /* Range covered while searching for block to use */ - unsigned u; /* Local index variable */ - herr_t ret_value = SUCCEED; /* Return value */ - - FUNC_ENTER_NOAPI_NOINIT(H5HF_man_iblock_alloc_range) - - /* - * Check arguments. - */ - HDassert(hdr); - HDassert(sec_node && *sec_node); - HDassert(obj_size > 0); - - /* Compute info about range */ - cur_entry = old_sec_node->u.range.entry; - - /* Check for range covering indirect blocks */ - if((cur_entry / hdr->man_dtable.cparam.width) >= hdr->man_dtable.max_direct_rows || - ((cur_entry + old_sec_node->u.range.num_entries) / hdr->man_dtable.cparam.width) - >= hdr->man_dtable.max_direct_rows) { -HDfprintf(stderr, "%s: Can't handle range sections over indirect blocks yet\n", FUNC); -HGOTO_ERROR(H5E_HEAP, H5E_UNSUPPORTED, FAIL, "'range' free space sections over indirect blocks not supported yet") - } /* end if */ - - /* Get information about indirect block covering section */ - /* (Allow for root indirect block being resized) */ - iblock_addr = old_sec_node->u.range.iblock_addr; - if(H5F_addr_eq(iblock_addr, hdr->man_dtable.table_addr)) - iblock_nrows = hdr->man_dtable.curr_root_rows; - else - iblock_nrows = old_sec_node->u.range.iblock_nrows; - - /* Get a pointer to the indirect block covering the range */ - if(NULL == (iblock = H5AC_protect(hdr->f, dxpl_id, H5AC_FHEAP_IBLOCK, iblock_addr, &iblock_nrows, hdr, H5AC_WRITE))) - HGOTO_ERROR(H5E_HEAP, H5E_CANTPROTECT, FAIL, "unable to protect fractal heap indirect block") - - /* Compute size of object, with metadata overhead */ - full_obj_size = obj_size + H5HF_MAN_ABS_DIRECT_OBJ_PREFIX_LEN(hdr); - - /* Look for first direct block that will fulfill request */ - range_covered = 0; - for(u = 0; u < old_sec_node->u.range.num_entries; ) { - unsigned skip_blocks; /* # of blocks to skip over to next row */ - - /* Compute informatio about current row */ - cur_row = cur_entry / hdr->man_dtable.cparam.width; - row_size = hdr->man_dtable.row_block_size[cur_row]; - - /* Check if first available block in this row will hold block */ - if((H5HF_MAN_ABS_DIRECT_OVERHEAD_SIZE(hdr, row_size) + full_obj_size) <= row_size) - break; - - /* Compute number of blocks to skip in row */ - skip_blocks = ((cur_row + 1) * hdr->man_dtable.cparam.width) - cur_entry; - - /* Advance values to beginning of next row */ - range_covered += row_size * skip_blocks; - u += skip_blocks; - cur_entry += skip_blocks; - } /* end for */ -#ifdef QAK -HDfprintf(stderr, "%s: cur_entry = %u, cur_row = %u, row_size = %Zu\n", FUNC, cur_entry, cur_row, row_size); -HDfprintf(stderr, "%s: range_covered = %Hu, u = %u\n", FUNC, range_covered, u); -HDfprintf(stderr, "%s: old_sec_node->u.range.num_entries = %u\n", FUNC, old_sec_node->u.range.num_entries); -#endif /* QAK */ - /* Must find direct block of useful size */ - HDassert(u < old_sec_node->u.range.num_entries); - - /* Create direct block of appropriate size */ - if(H5HF_man_dblock_create(dxpl_id, hdr, iblock, cur_entry, row_size, (hsize_t)(old_sec_node->sect_addr + range_covered), &dblock_addr, &dblock_sec_node) < 0) - HGOTO_ERROR(H5E_HEAP, H5E_CANTALLOC, FAIL, "can't allocate fractal heap direct block") - - /* Hook direct block up to indirect block */ - iblock->ents[cur_entry].addr = dblock_addr; - iblock->ents[cur_entry].free_space = dblock_sec_node->sect_size; - - /* Adjust free space in block & heap */ - if(H5HF_man_iblock_adj_free(dxpl_id, iblock, -(ssize_t)dblock_sec_node->sect_size) < 0) - HGOTO_ERROR(H5E_HEAP, H5E_CANTDEC, FAIL, "can't adjust free space for indirect block & parents") - - /* Break range section up into zero, one or two range sections and add them - * back to the free sections for the file - */ - - /* Check for only single block covered in range section */ - if(old_sec_node->u.range.num_entries == 1) - H5FL_FREE(H5HF_section_free_node_t, old_sec_node); - else { - size_t next_block_size; /* Next entry after block used */ - - /* Check for using first block in range section */ - if(u == 0) { -#ifdef QAK -HDfprintf(stderr, "%s: range type 1\n", FUNC); -#endif /* QAK */ - /* Adjust section information */ - old_sec_node->sect_addr += row_size; - /* Section size stays the same, since we just grabbed the smallest block in the range */ - - /* Adjust range information */ - old_sec_node->u.range.entry++; - old_sec_node->u.range.num_entries--; - old_sec_node->u.range.range -= row_size; - - /* Add section back to free space list */ - if(H5HF_flist_add(hdr->flist, old_sec_node, &old_sec_node->sect_size, &old_sec_node->sect_addr) < 0) - HGOTO_ERROR(H5E_HEAP, H5E_CANTINIT, FAIL, "can't add indirect block free space to global list") - } /* end if */ - /* Check for using middle block from range section */ - else if(u < (old_sec_node->u.range.num_entries -1)) { - H5HF_section_free_node_t *new_sec_node; /* Pointer to new free list section for block */ -#ifdef QAK -HDfprintf(stderr, "%s: range type 2\n", FUNC); -#endif /* QAK */ - - /* Create new section node for space after block used */ - if(NULL == (new_sec_node = H5FL_MALLOC(H5HF_section_free_node_t))) - HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, FAIL, "memory allocation failed for indirect block free list section") - - /* Set section information for new node */ - new_sec_node->sect_addr = old_sec_node->sect_addr + range_covered + row_size; - new_sec_node->sect_size = old_sec_node->sect_size; - - /* Set range information */ - new_sec_node->type = H5HF_SECT_RANGE; - new_sec_node->u.range.iblock_addr = old_sec_node->u.range.iblock_addr; - new_sec_node->u.range.iblock_nrows = old_sec_node->u.range.iblock_nrows; - new_sec_node->u.range.entry = cur_entry + 1; - new_sec_node->u.range.num_entries = old_sec_node->u.range.num_entries - (u + 1); - new_sec_node->u.range.range = old_sec_node->u.range.range - (range_covered + row_size); - - /* Add new section to free space list */ - if(H5HF_flist_add(hdr->flist, new_sec_node, &new_sec_node->sect_size, &new_sec_node->sect_addr) < 0) - HGOTO_ERROR(H5E_HEAP, H5E_CANTINIT, FAIL, "can't add indirect block free space to global list") - - - /* Compute size of block before the one used */ - next_block_size = hdr->man_dtable.row_block_size[(cur_entry - 1) / - hdr->man_dtable.cparam.width]; - - /* Adjust current section information */ - old_sec_node->sect_size = next_block_size - - (H5HF_MAN_ABS_DIRECT_OVERHEAD_SIZE(hdr, row_size) + H5HF_MAN_ABS_DIRECT_OBJ_PREFIX_LEN(hdr)); - - /* Adjust range information */ - old_sec_node->u.range.num_entries = u; - old_sec_node->u.range.range = range_covered; - - /* Add section back to free space list */ - if(H5HF_flist_add(hdr->flist, old_sec_node, &old_sec_node->sect_size, &old_sec_node->sect_addr) < 0) - HGOTO_ERROR(H5E_HEAP, H5E_CANTINIT, FAIL, "can't add indirect block free space to global list") - } /* end if */ - /* Must be using last block in range section */ - else { -#ifdef QAK -HDfprintf(stderr, "%s: range type 3\n", FUNC); -#endif /* QAK */ - /* Compute size of next block after the one used */ - next_block_size = hdr->man_dtable.row_block_size[(cur_entry - 1) / - hdr->man_dtable.cparam.width]; - - /* Adjust section information */ - old_sec_node->sect_size = next_block_size - - (H5HF_MAN_ABS_DIRECT_OVERHEAD_SIZE(hdr, row_size) + H5HF_MAN_ABS_DIRECT_OBJ_PREFIX_LEN(hdr)); - - /* Adjust range information */ - old_sec_node->u.range.num_entries--; - old_sec_node->u.range.range -= row_size; - - /* Add section back to free space list */ - if(H5HF_flist_add(hdr->flist, old_sec_node, &old_sec_node->sect_size, &old_sec_node->sect_addr) < 0) - HGOTO_ERROR(H5E_HEAP, H5E_CANTINIT, FAIL, "can't add indirect block free space to global list") - } /* end else */ - } /* end if */ - - /* Release the indirect block (marked as dirty) */ - if(H5AC_unprotect(hdr->f, dxpl_id, H5AC_FHEAP_IBLOCK, iblock_addr, iblock, H5AC__DIRTIED_FLAG) < 0) - HDONE_ERROR(H5E_HEAP, H5E_CANTUNPROTECT, FAIL, "unable to release fractal heap indirect block") - - /* Point 'sec_node' at new direct block section node */ - *sec_node = dblock_sec_node; - -done: - FUNC_LEAVE_NOAPI(ret_value) -} /* end H5HF_man_iblock_alloc_range() */ - - -/*------------------------------------------------------------------------- - * Function: H5HF_man_iblock_create - * - * Purpose: Allocate & initialize a managed indirect block - * - * Return: SUCCEED/FAIL - * - * Programmer: Quincey Koziol - * koziol@ncsa.uiuc.edu - * Mar 6 2006 - * - *------------------------------------------------------------------------- - */ -static herr_t -H5HF_man_iblock_create(H5HF_t *hdr, hid_t dxpl_id, - hsize_t block_off, unsigned nrows, unsigned max_rows, haddr_t *addr_p) -{ - H5HF_indirect_t *iblock = NULL; /* Pointer to indirect block */ - size_t u; /* Local index variable */ - herr_t ret_value = SUCCEED; /* Return value */ - - FUNC_ENTER_NOAPI_NOINIT(H5HF_man_iblock_create) - - /* - * Check arguments. - */ - HDassert(hdr); - HDassert(nrows > 0); - HDassert(addr_p); - - /* - * Allocate file and memory data structures. - */ - if(NULL == (iblock = H5FL_MALLOC(H5HF_indirect_t))) - HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, FAIL, "memory allocation failed for fractal heap indirect block") - - /* Reset the metadata cache info for the heap header */ - HDmemset(&iblock->cache_info, 0, sizeof(H5AC_info_t)); - - /* Share common heap information */ - iblock->shared = hdr; - if(H5HF_hdr_incr(hdr) < 0) - HGOTO_ERROR(H5E_HEAP, H5E_CANTINC, FAIL, "can't increment reference count on shared heap header") - -#ifdef QAK -HDfprintf(stderr, "%s: nrows = %u, max_nrows = %u\n", FUNC, nrows, max_nrows); -#endif /* QAK */ - /* Set info for direct block */ - iblock->rc = 0; - iblock->parent = NULL; /* Temporary, except for root indirect block */ - iblock->par_entry = 0; - iblock->par_nrows = 0; - iblock->par_addr = HADDR_UNDEF; - iblock->block_off = block_off; - iblock->child_free_space = 0; - iblock->nrows = nrows; - iblock->max_rows = max_rows; - iblock->next_col = 0; - iblock->next_row = 0; - iblock->next_entry = 0; - iblock->next_size = hdr->man_dtable.cparam.start_block_size; - iblock->dirty = TRUE; - iblock->evicted = FALSE; - - /* Compute size of buffer needed for indirect block */ - iblock->size = H5HF_MAN_INDIRECT_SIZE(hdr, iblock); - - /* Allocate indirect block entry tables */ - if(NULL == (iblock->ents = H5FL_SEQ_MALLOC(H5HF_indirect_ent_t, (iblock->nrows * hdr->man_dtable.cparam.width)))) - HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, FAIL, "memory allocation failed for block entries") - - /* Initialize indirect block entry tables */ - for(u = 0; u < (iblock->nrows * hdr->man_dtable.cparam.width); u++) { - iblock->ents[u].addr = HADDR_UNDEF; - iblock->ents[u].free_space = 0; - } /* end for */ - - /* Allocate space for the indirect block on disk */ - if(HADDR_UNDEF == (*addr_p = H5MF_alloc(hdr->f, H5FD_MEM_FHEAP_IBLOCK, dxpl_id, (hsize_t)iblock->size))) - HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, FAIL, "file allocation failed for fractal heap indirect block") - iblock->addr = *addr_p; - -/* XXX: Update indirect statistics when they are added */ - - /* Cache the new fractal heap header */ - if(H5AC_set(hdr->f, dxpl_id, H5AC_FHEAP_IBLOCK, *addr_p, iblock, H5AC__NO_FLAGS_SET) < 0) - HGOTO_ERROR(H5E_HEAP, H5E_CANTINIT, FAIL, "can't add fractal heap indirect block to cache") - -done: - if(ret_value < 0) - if(iblock) - (void)H5HF_cache_iblock_dest(hdr->f, iblock); - - FUNC_LEAVE_NOAPI(ret_value) -} /* end H5HF_man_iblock_create() */ - |