diff options
Diffstat (limited to 'src/H5EAsblock.c')
| -rw-r--r-- | src/H5EAsblock.c | 422 |
1 files changed, 212 insertions, 210 deletions
diff --git a/src/H5EAsblock.c b/src/H5EAsblock.c index f48525f..304947b 100644 --- a/src/H5EAsblock.c +++ b/src/H5EAsblock.c @@ -94,66 +94,66 @@ H5FL_BLK_DEFINE(page_init); BEGIN_FUNC(PKG, ERR, H5EA_sblock_t *, NULL, NULL, H5EA__sblock_alloc(H5EA_hdr_t *hdr, H5EA_iblock_t *parent, unsigned sblk_idx)) -/* Local variables */ -H5EA_sblock_t *sblock = NULL; /* Extensible array super block */ + /* Local variables */ + H5EA_sblock_t *sblock = NULL; /* Extensible array super block */ -/* Check arguments */ -HDassert(hdr); + /* Check arguments */ + HDassert(hdr); -/* Allocate memory for the index block */ -if (NULL == (sblock = H5FL_CALLOC(H5EA_sblock_t))) - H5E_THROW(H5E_CANTALLOC, "memory allocation failed for extensible array super block") + /* Allocate memory for the index block */ + if (NULL == (sblock = H5FL_CALLOC(H5EA_sblock_t))) + H5E_THROW(H5E_CANTALLOC, "memory allocation failed for extensible array super block") -/* Share common array information */ -if (H5EA__hdr_incr(hdr) < 0) - H5E_THROW(H5E_CANTINC, "can't increment reference count on shared array header") -sblock->hdr = hdr; + /* Share common array information */ + if (H5EA__hdr_incr(hdr) < 0) + H5E_THROW(H5E_CANTINC, "can't increment reference count on shared array header") + sblock->hdr = hdr; -/* Set non-zero internal fields */ -sblock->parent = parent; -sblock->addr = HADDR_UNDEF; + /* Set non-zero internal fields */ + sblock->parent = parent; + sblock->addr = HADDR_UNDEF; -/* Compute/cache information */ -sblock->idx = sblk_idx; -sblock->ndblks = hdr->sblk_info[sblk_idx].ndblks; -HDassert(sblock->ndblks); -sblock->dblk_nelmts = hdr->sblk_info[sblk_idx].dblk_nelmts; + /* Compute/cache information */ + sblock->idx = sblk_idx; + sblock->ndblks = hdr->sblk_info[sblk_idx].ndblks; + HDassert(sblock->ndblks); + sblock->dblk_nelmts = hdr->sblk_info[sblk_idx].dblk_nelmts; -/* Allocate buffer for data block addresses in super block */ -if (NULL == (sblock->dblk_addrs = H5FL_SEQ_MALLOC(haddr_t, sblock->ndblks))) - H5E_THROW(H5E_CANTALLOC, "memory allocation failed for super block data block addresses") + /* Allocate buffer for data block addresses in super block */ + if (NULL == (sblock->dblk_addrs = H5FL_SEQ_MALLOC(haddr_t, sblock->ndblks))) + H5E_THROW(H5E_CANTALLOC, "memory allocation failed for super block data block addresses") -/* Check if # of elements in data blocks requires paging */ -if (sblock->dblk_nelmts > hdr->dblk_page_nelmts) { - /* Compute # of pages in each data block from this super block */ - sblock->dblk_npages = sblock->dblk_nelmts / hdr->dblk_page_nelmts; + /* Check if # of elements in data blocks requires paging */ + if (sblock->dblk_nelmts > hdr->dblk_page_nelmts) { + /* Compute # of pages in each data block from this super block */ + sblock->dblk_npages = sblock->dblk_nelmts / hdr->dblk_page_nelmts; - /* Sanity check that we have at least 2 pages in data block */ - HDassert(sblock->dblk_npages > 1); + /* Sanity check that we have at least 2 pages in data block */ + HDassert(sblock->dblk_npages > 1); - /* Sanity check for integer truncation */ - HDassert((sblock->dblk_npages * hdr->dblk_page_nelmts) == sblock->dblk_nelmts); + /* Sanity check for integer truncation */ + HDassert((sblock->dblk_npages * hdr->dblk_page_nelmts) == sblock->dblk_nelmts); - /* Compute size of buffer for each data block's 'page init' bitmask */ - sblock->dblk_page_init_size = ((sblock->dblk_npages) + 7) / 8; - HDassert(sblock->dblk_page_init_size > 0); + /* Compute size of buffer for each data block's 'page init' bitmask */ + sblock->dblk_page_init_size = ((sblock->dblk_npages) + 7) / 8; + HDassert(sblock->dblk_page_init_size > 0); - /* Allocate buffer for all 'page init' bitmasks in super block */ - if (NULL == - (sblock->page_init = H5FL_BLK_CALLOC(page_init, sblock->ndblks * sblock->dblk_page_init_size))) - H5E_THROW(H5E_CANTALLOC, "memory allocation failed for super block page init bitmask") + /* Allocate buffer for all 'page init' bitmasks in super block */ + if (NULL == + (sblock->page_init = H5FL_BLK_CALLOC(page_init, sblock->ndblks * sblock->dblk_page_init_size))) + H5E_THROW(H5E_CANTALLOC, "memory allocation failed for super block page init bitmask") - /* Compute data block page size */ - sblock->dblk_page_size = (hdr->dblk_page_nelmts * hdr->cparam.raw_elmt_size) + H5EA_SIZEOF_CHKSUM; -} /* end if */ + /* Compute data block page size */ + sblock->dblk_page_size = (hdr->dblk_page_nelmts * hdr->cparam.raw_elmt_size) + H5EA_SIZEOF_CHKSUM; + } /* end if */ -/* Set the return value */ -ret_value = sblock; + /* Set the return value */ + ret_value = sblock; -CATCH -if (!ret_value) - if (sblock && H5EA__sblock_dest(sblock) < 0) - H5E_THROW(H5E_CANTFREE, "unable to destroy extensible array super block") + CATCH + if (!ret_value) + if (sblock && H5EA__sblock_dest(sblock) < 0) + H5E_THROW(H5E_CANTFREE, "unable to destroy extensible array super block") END_FUNC(PKG) /* end H5EA__sblock_alloc() */ @@ -173,74 +173,74 @@ BEGIN_FUNC(PKG, ERR, haddr_t, HADDR_UNDEF, HADDR_UNDEF, H5EA__sblock_create(H5EA_hdr_t *hdr, H5EA_iblock_t *parent, hbool_t *stats_changed, unsigned sblk_idx)) -/* Local variables */ -H5EA_sblock_t *sblock = NULL; /* Extensible array super block */ -haddr_t sblock_addr; /* Extensible array super block address */ -haddr_t tmp_addr = HADDR_UNDEF; /* Address value to fill data block addresses with */ -hbool_t inserted = FALSE; /* Whether the header was inserted into cache */ - -/* Sanity check */ -HDassert(hdr); -HDassert(stats_changed); - -/* Allocate the super block */ -if (NULL == (sblock = H5EA__sblock_alloc(hdr, parent, sblk_idx))) - H5E_THROW(H5E_CANTALLOC, "memory allocation failed for extensible array super block") - -/* Set size of super block on disk */ -sblock->size = H5EA_SBLOCK_SIZE(sblock); - -/* Set offset of block in array's address space */ -sblock->block_off = hdr->sblk_info[sblk_idx].start_idx; - -/* Allocate space for the super block on disk */ -if (HADDR_UNDEF == (sblock_addr = H5MF_alloc(hdr->f, H5FD_MEM_EARRAY_SBLOCK, (hsize_t)sblock->size))) - H5E_THROW(H5E_CANTALLOC, "file allocation failed for extensible array super block") -sblock->addr = sblock_addr; - -/* Reset data block addresses to "undefined" address value */ -H5VM_array_fill(sblock->dblk_addrs, &tmp_addr, sizeof(haddr_t), sblock->ndblks); - -/* Cache the new extensible array super block */ -if (H5AC_insert_entry(hdr->f, H5AC_EARRAY_SBLOCK, sblock_addr, sblock, H5AC__NO_FLAGS_SET) < 0) - H5E_THROW(H5E_CANTINSERT, "can't add extensible array super block to cache") -inserted = TRUE; - -/* Add super block as child of 'top' proxy */ -if (hdr->top_proxy) { - if (H5AC_proxy_entry_add_child(hdr->top_proxy, hdr->f, sblock) < 0) - H5E_THROW(H5E_CANTSET, "unable to add extensible array entry as child of array proxy") - sblock->top_proxy = hdr->top_proxy; -} /* end if */ - -/* Update extensible array super block statistics */ -hdr->stats.stored.nsuper_blks++; -hdr->stats.stored.super_blk_size += sblock->size; - -/* Mark the statistics as changed */ -*stats_changed = TRUE; - -/* Set address of super block to return */ -ret_value = sblock_addr; - -CATCH -if (!H5F_addr_defined(ret_value)) - if (sblock) { - /* Remove from cache, if inserted */ - if (inserted) - if (H5AC_remove_entry(sblock) < 0) - H5E_THROW(H5E_CANTREMOVE, "unable to remove extensible array super block from cache") - - /* Release super block's disk space */ - if (H5F_addr_defined(sblock->addr) && - H5MF_xfree(hdr->f, H5FD_MEM_EARRAY_SBLOCK, sblock->addr, (hsize_t)sblock->size) < 0) - H5E_THROW(H5E_CANTFREE, "unable to release extensible array super block") - - /* Destroy super block */ - if (H5EA__sblock_dest(sblock) < 0) - H5E_THROW(H5E_CANTFREE, "unable to destroy extensible array super block") + /* Local variables */ + H5EA_sblock_t *sblock = NULL; /* Extensible array super block */ + haddr_t sblock_addr; /* Extensible array super block address */ + haddr_t tmp_addr = HADDR_UNDEF; /* Address value to fill data block addresses with */ + hbool_t inserted = FALSE; /* Whether the header was inserted into cache */ + + /* Sanity check */ + HDassert(hdr); + HDassert(stats_changed); + + /* Allocate the super block */ + if (NULL == (sblock = H5EA__sblock_alloc(hdr, parent, sblk_idx))) + H5E_THROW(H5E_CANTALLOC, "memory allocation failed for extensible array super block") + + /* Set size of super block on disk */ + sblock->size = H5EA_SBLOCK_SIZE(sblock); + + /* Set offset of block in array's address space */ + sblock->block_off = hdr->sblk_info[sblk_idx].start_idx; + + /* Allocate space for the super block on disk */ + if (HADDR_UNDEF == (sblock_addr = H5MF_alloc(hdr->f, H5FD_MEM_EARRAY_SBLOCK, (hsize_t)sblock->size))) + H5E_THROW(H5E_CANTALLOC, "file allocation failed for extensible array super block") + sblock->addr = sblock_addr; + + /* Reset data block addresses to "undefined" address value */ + H5VM_array_fill(sblock->dblk_addrs, &tmp_addr, sizeof(haddr_t), sblock->ndblks); + + /* Cache the new extensible array super block */ + if (H5AC_insert_entry(hdr->f, H5AC_EARRAY_SBLOCK, sblock_addr, sblock, H5AC__NO_FLAGS_SET) < 0) + H5E_THROW(H5E_CANTINSERT, "can't add extensible array super block to cache") + inserted = TRUE; + + /* Add super block as child of 'top' proxy */ + if (hdr->top_proxy) { + if (H5AC_proxy_entry_add_child(hdr->top_proxy, hdr->f, sblock) < 0) + H5E_THROW(H5E_CANTSET, "unable to add extensible array entry as child of array proxy") + sblock->top_proxy = hdr->top_proxy; } /* end if */ + /* Update extensible array super block statistics */ + hdr->stats.stored.nsuper_blks++; + hdr->stats.stored.super_blk_size += sblock->size; + + /* Mark the statistics as changed */ + *stats_changed = TRUE; + + /* Set address of super block to return */ + ret_value = sblock_addr; + + CATCH + if (!H5F_addr_defined(ret_value)) + if (sblock) { + /* Remove from cache, if inserted */ + if (inserted) + if (H5AC_remove_entry(sblock) < 0) + H5E_THROW(H5E_CANTREMOVE, "unable to remove extensible array super block from cache") + + /* Release super block's disk space */ + if (H5F_addr_defined(sblock->addr) && + H5MF_xfree(hdr->f, H5FD_MEM_EARRAY_SBLOCK, sblock->addr, (hsize_t)sblock->size) < 0) + H5E_THROW(H5E_CANTFREE, "unable to release extensible array super block") + + /* Destroy super block */ + if (H5EA__sblock_dest(sblock) < 0) + H5E_THROW(H5E_CANTFREE, "unable to destroy extensible array super block") + } /* end if */ + END_FUNC(PKG) /* end H5EA__sblock_create() */ /*------------------------------------------------------------------------- @@ -259,47 +259,49 @@ BEGIN_FUNC(PKG, ERR, H5EA_sblock_t *, NULL, NULL, H5EA__sblock_protect(H5EA_hdr_t *hdr, H5EA_iblock_t *parent, haddr_t sblk_addr, unsigned sblk_idx, unsigned flags)) -/* Local variables */ -H5EA_sblock_t * sblock = NULL; /* Pointer to super block */ -H5EA_sblock_cache_ud_t udata; /* Information needed for loading super block */ + /* Local variables */ + H5EA_sblock_t * sblock = NULL; /* Pointer to super block */ + H5EA_sblock_cache_ud_t udata; /* Information needed for loading super block */ -/* Sanity check */ -HDassert(hdr); -HDassert(H5F_addr_defined(sblk_addr)); + /* Sanity check */ + HDassert(hdr); + HDassert(H5F_addr_defined(sblk_addr)); -/* only the H5AC__READ_ONLY_FLAG may be set */ -HDassert((flags & (unsigned)(~H5AC__READ_ONLY_FLAG)) == 0); + /* only the H5AC__READ_ONLY_FLAG may be set */ + HDassert((flags & (unsigned)(~H5AC__READ_ONLY_FLAG)) == 0); -/* Set up user data */ -udata.hdr = hdr; -udata.parent = parent; -udata.sblk_idx = sblk_idx; -udata.sblk_addr = sblk_addr; + /* Set up user data */ + udata.hdr = hdr; + udata.parent = parent; + udata.sblk_idx = sblk_idx; + udata.sblk_addr = sblk_addr; -/* Protect the super block */ -if (NULL == (sblock = (H5EA_sblock_t *)H5AC_protect(hdr->f, H5AC_EARRAY_SBLOCK, sblk_addr, &udata, flags))) - H5E_THROW(H5E_CANTPROTECT, "unable to protect extensible array super block, address = %llu", - (unsigned long long)sblk_addr) + /* Protect the super block */ + if (NULL == + (sblock = (H5EA_sblock_t *)H5AC_protect(hdr->f, H5AC_EARRAY_SBLOCK, sblk_addr, &udata, flags))) + H5E_THROW(H5E_CANTPROTECT, "unable to protect extensible array super block, address = %llu", + (unsigned long long)sblk_addr) + + /* Create top proxy, if it doesn't exist */ + if (hdr->top_proxy && NULL == sblock->top_proxy) { + /* Add super block as child of 'top' proxy */ + if (H5AC_proxy_entry_add_child(hdr->top_proxy, hdr->f, sblock) < 0) + H5E_THROW(H5E_CANTSET, "unable to add extensible array entry as child of array proxy") + sblock->top_proxy = hdr->top_proxy; + } /* end if */ -/* Create top proxy, if it doesn't exist */ -if (hdr->top_proxy && NULL == sblock->top_proxy) { - /* Add super block as child of 'top' proxy */ - if (H5AC_proxy_entry_add_child(hdr->top_proxy, hdr->f, sblock) < 0) - H5E_THROW(H5E_CANTSET, "unable to add extensible array entry as child of array proxy") - sblock->top_proxy = hdr->top_proxy; -} /* end if */ - -/* Set return value */ -ret_value = sblock; - -CATCH -/* Clean up on error */ -if (!ret_value) { - /* Release the super block, if it was protected */ - if (sblock && H5AC_unprotect(hdr->f, H5AC_EARRAY_SBLOCK, sblock->addr, sblock, H5AC__NO_FLAGS_SET) < 0) - H5E_THROW(H5E_CANTUNPROTECT, "unable to unprotect extensible array super block, address = %llu", - (unsigned long long)sblock->addr) -} /* end if */ + /* Set return value */ + ret_value = sblock; + + CATCH + /* Clean up on error */ + if (!ret_value) { + /* Release the super block, if it was protected */ + if (sblock && + H5AC_unprotect(hdr->f, H5AC_EARRAY_SBLOCK, sblock->addr, sblock, H5AC__NO_FLAGS_SET) < 0) + H5E_THROW(H5E_CANTUNPROTECT, "unable to unprotect extensible array super block, address = %llu", + (unsigned long long)sblock->addr) + } /* end if */ END_FUNC(PKG) /* end H5EA__sblock_protect() */ @@ -318,17 +320,17 @@ END_FUNC(PKG) /* end H5EA__sblock_protect() */ BEGIN_FUNC(PKG, ERR, herr_t, SUCCEED, FAIL, H5EA__sblock_unprotect(H5EA_sblock_t *sblock, unsigned cache_flags)) -/* Local variables */ + /* Local variables */ -/* Sanity check */ -HDassert(sblock); + /* Sanity check */ + HDassert(sblock); -/* Unprotect the super block */ -if (H5AC_unprotect(sblock->hdr->f, H5AC_EARRAY_SBLOCK, sblock->addr, sblock, cache_flags) < 0) - H5E_THROW(H5E_CANTUNPROTECT, "unable to unprotect extensible array super block, address = %llu", - (unsigned long long)sblock->addr) + /* Unprotect the super block */ + if (H5AC_unprotect(sblock->hdr->f, H5AC_EARRAY_SBLOCK, sblock->addr, sblock, cache_flags) < 0) + H5E_THROW(H5E_CANTUNPROTECT, "unable to unprotect extensible array super block, address = %llu", + (unsigned long long)sblock->addr) -CATCH + CATCH END_FUNC(PKG) /* end H5EA__sblock_unprotect() */ @@ -347,35 +349,35 @@ END_FUNC(PKG) /* end H5EA__sblock_unprotect() */ BEGIN_FUNC(PKG, ERR, herr_t, SUCCEED, FAIL, H5EA__sblock_delete(H5EA_hdr_t *hdr, H5EA_iblock_t *parent, haddr_t sblk_addr, unsigned sblk_idx)) -/* Local variables */ -H5EA_sblock_t *sblock = NULL; /* Pointer to super block */ -size_t u; /* Local index variable */ - -/* Sanity check */ -HDassert(hdr); -HDassert(H5F_addr_defined(sblk_addr)); - -/* Protect super block */ -if (NULL == (sblock = H5EA__sblock_protect(hdr, parent, sblk_addr, sblk_idx, H5AC__NO_FLAGS_SET))) - H5E_THROW(H5E_CANTPROTECT, "unable to protect extensible array super block, address = %llu", - (unsigned long long)sblk_addr) - -/* Iterate over data blocks */ -for (u = 0; u < sblock->ndblks; u++) { - /* Check for data block existing */ - if (H5F_addr_defined(sblock->dblk_addrs[u])) { - /* Delete data block */ - if (H5EA__dblock_delete(hdr, sblock, sblock->dblk_addrs[u], sblock->dblk_nelmts) < 0) - H5E_THROW(H5E_CANTDELETE, "unable to delete extensible array data block") - sblock->dblk_addrs[u] = HADDR_UNDEF; - } /* end if */ -} /* end for */ - -CATCH -/* Finished deleting super block in metadata cache */ -if (sblock && - H5EA__sblock_unprotect(sblock, H5AC__DIRTIED_FLAG | H5AC__DELETED_FLAG | H5AC__FREE_FILE_SPACE_FLAG) < 0) - H5E_THROW(H5E_CANTUNPROTECT, "unable to release extensible array super block") + /* Local variables */ + H5EA_sblock_t *sblock = NULL; /* Pointer to super block */ + size_t u; /* Local index variable */ + + /* Sanity check */ + HDassert(hdr); + HDassert(H5F_addr_defined(sblk_addr)); + + /* Protect super block */ + if (NULL == (sblock = H5EA__sblock_protect(hdr, parent, sblk_addr, sblk_idx, H5AC__NO_FLAGS_SET))) + H5E_THROW(H5E_CANTPROTECT, "unable to protect extensible array super block, address = %llu", + (unsigned long long)sblk_addr) + + /* Iterate over data blocks */ + for (u = 0; u < sblock->ndblks; u++) { + /* Check for data block existing */ + if (H5F_addr_defined(sblock->dblk_addrs[u])) { + /* Delete data block */ + if (H5EA__dblock_delete(hdr, sblock, sblock->dblk_addrs[u], sblock->dblk_nelmts) < 0) + H5E_THROW(H5E_CANTDELETE, "unable to delete extensible array data block") + sblock->dblk_addrs[u] = HADDR_UNDEF; + } /* end if */ + } /* end for */ + + CATCH + /* Finished deleting super block in metadata cache */ + if (sblock && H5EA__sblock_unprotect(sblock, H5AC__DIRTIED_FLAG | H5AC__DELETED_FLAG | + H5AC__FREE_FILE_SPACE_FLAG) < 0) + H5E_THROW(H5E_CANTUNPROTECT, "unable to release extensible array super block") END_FUNC(PKG) /* end H5EA__sblock_delete() */ @@ -393,34 +395,34 @@ END_FUNC(PKG) /* end H5EA__sblock_delete() */ */ BEGIN_FUNC(PKG, ERR, herr_t, SUCCEED, FAIL, H5EA__sblock_dest(H5EA_sblock_t *sblock)) -/* Sanity check */ -HDassert(sblock); -HDassert(!sblock->has_hdr_depend); - -/* Check if shared header field has been initialized */ -if (sblock->hdr) { - /* Free buffer for super block data block addresses, if there are any */ - if (sblock->dblk_addrs) - sblock->dblk_addrs = H5FL_SEQ_FREE(haddr_t, sblock->dblk_addrs); - - /* Free buffer for super block 'page init' bitmask, if there is one */ - if (sblock->page_init) { - HDassert(sblock->dblk_npages > 0); - sblock->page_init = H5FL_BLK_FREE(page_init, sblock->page_init); + /* Sanity check */ + HDassert(sblock); + HDassert(!sblock->has_hdr_depend); + + /* Check if shared header field has been initialized */ + if (sblock->hdr) { + /* Free buffer for super block data block addresses, if there are any */ + if (sblock->dblk_addrs) + sblock->dblk_addrs = H5FL_SEQ_FREE(haddr_t, sblock->dblk_addrs); + + /* Free buffer for super block 'page init' bitmask, if there is one */ + if (sblock->page_init) { + HDassert(sblock->dblk_npages > 0); + sblock->page_init = H5FL_BLK_FREE(page_init, sblock->page_init); + } /* end if */ + + /* Decrement reference count on shared info */ + if (H5EA__hdr_decr(sblock->hdr) < 0) + H5E_THROW(H5E_CANTDEC, "can't decrement reference count on shared array header") + sblock->hdr = NULL; } /* end if */ - /* Decrement reference count on shared info */ - if (H5EA__hdr_decr(sblock->hdr) < 0) - H5E_THROW(H5E_CANTDEC, "can't decrement reference count on shared array header") - sblock->hdr = NULL; -} /* end if */ - -/* Sanity check */ -HDassert(NULL == sblock->top_proxy); + /* Sanity check */ + HDassert(NULL == sblock->top_proxy); -/* Free the super block itself */ -sblock = H5FL_FREE(H5EA_sblock_t, sblock); + /* Free the super block itself */ + sblock = H5FL_FREE(H5EA_sblock_t, sblock); -CATCH + CATCH END_FUNC(PKG) /* end H5EA__sblock_dest() */ |