diff options
Diffstat (limited to 'src/H5EAdblock.c')
| -rw-r--r-- | src/H5EAdblock.c | 480 |
1 files changed, 241 insertions, 239 deletions
diff --git a/src/H5EAdblock.c b/src/H5EAdblock.c index 2897aba..ddc4036 100644 --- a/src/H5EAdblock.c +++ b/src/H5EAdblock.c @@ -88,46 +88,46 @@ H5FL_DEFINE_STATIC(H5EA_dblock_t); BEGIN_FUNC(PKG, ERR, H5EA_dblock_t *, NULL, NULL, H5EA__dblock_alloc(H5EA_hdr_t *hdr, void *parent, size_t nelmts)) -/* Local variables */ -H5EA_dblock_t *dblock = NULL; /* Extensible array data block */ - -/* Check arguments */ -HDassert(hdr); -HDassert(parent); -HDassert(nelmts > 0); - -/* Allocate memory for the data block */ -if (NULL == (dblock = H5FL_CALLOC(H5EA_dblock_t))) - H5E_THROW(H5E_CANTALLOC, "memory allocation failed for extensible array data block") - -/* Share common array information */ -if (H5EA__hdr_incr(hdr) < 0) - H5E_THROW(H5E_CANTINC, "can't increment reference count on shared array header") -dblock->hdr = hdr; - -/* Set non-zero internal fields */ -dblock->parent = parent; -dblock->nelmts = nelmts; - -/* Check if the data block is not going to be paged */ -if (nelmts > hdr->dblk_page_nelmts) { - /* Set the # of pages in the direct block */ - dblock->npages = nelmts / hdr->dblk_page_nelmts; - HDassert(nelmts == (dblock->npages * hdr->dblk_page_nelmts)); -} /* end if */ -else { - /* Allocate buffer for elements in data block */ - if (NULL == (dblock->elmts = H5EA__hdr_alloc_elmts(hdr, nelmts))) - H5E_THROW(H5E_CANTALLOC, "memory allocation failed for data block element buffer") -} /* end else */ - -/* Set the return value */ -ret_value = dblock; - -CATCH -if (!ret_value) - if (dblock && H5EA__dblock_dest(dblock) < 0) - H5E_THROW(H5E_CANTFREE, "unable to destroy extensible array data block") + /* Local variables */ + H5EA_dblock_t *dblock = NULL; /* Extensible array data block */ + + /* Check arguments */ + HDassert(hdr); + HDassert(parent); + HDassert(nelmts > 0); + + /* Allocate memory for the data block */ + if (NULL == (dblock = H5FL_CALLOC(H5EA_dblock_t))) + H5E_THROW(H5E_CANTALLOC, "memory allocation failed for extensible array data block") + + /* Share common array information */ + if (H5EA__hdr_incr(hdr) < 0) + H5E_THROW(H5E_CANTINC, "can't increment reference count on shared array header") + dblock->hdr = hdr; + + /* Set non-zero internal fields */ + dblock->parent = parent; + dblock->nelmts = nelmts; + + /* Check if the data block is not going to be paged */ + if (nelmts > hdr->dblk_page_nelmts) { + /* Set the # of pages in the direct block */ + dblock->npages = nelmts / hdr->dblk_page_nelmts; + HDassert(nelmts == (dblock->npages * hdr->dblk_page_nelmts)); + } /* end if */ + else { + /* Allocate buffer for elements in data block */ + if (NULL == (dblock->elmts = H5EA__hdr_alloc_elmts(hdr, nelmts))) + H5E_THROW(H5E_CANTALLOC, "memory allocation failed for data block element buffer") + } /* end else */ + + /* Set the return value */ + ret_value = dblock; + + CATCH + if (!ret_value) + if (dblock && H5EA__dblock_dest(dblock) < 0) + H5E_THROW(H5E_CANTFREE, "unable to destroy extensible array data block") END_FUNC(PKG) /* end H5EA__dblock_alloc() */ @@ -147,80 +147,80 @@ BEGIN_FUNC(PKG, ERR, haddr_t, HADDR_UNDEF, HADDR_UNDEF, H5EA__dblock_create(H5EA_hdr_t *hdr, void *parent, hbool_t *stats_changed, hsize_t dblk_off, size_t nelmts)) -/* Local variables */ -H5EA_dblock_t *dblock = NULL; /* Extensible array data block */ -haddr_t dblock_addr; /* Extensible array data block address */ -hbool_t inserted = FALSE; /* Whether the header was inserted into cache */ - -/* Sanity check */ -HDassert(hdr); -HDassert(stats_changed); -HDassert(nelmts > 0); - -/* Allocate the data block */ -if (NULL == (dblock = H5EA__dblock_alloc(hdr, parent, nelmts))) - H5E_THROW(H5E_CANTALLOC, "memory allocation failed for extensible array data block") - -/* Set size of data block on disk */ -dblock->size = H5EA_DBLOCK_SIZE(dblock); - -/* Set offset of block in array's address space */ -dblock->block_off = dblk_off; - -/* Allocate space for the data block on disk */ -if (HADDR_UNDEF == (dblock_addr = H5MF_alloc(hdr->f, H5FD_MEM_EARRAY_DBLOCK, (hsize_t)dblock->size))) - H5E_THROW(H5E_CANTALLOC, "file allocation failed for extensible array data block") -dblock->addr = dblock_addr; - -/* Don't initialize elements if paged */ -if (!dblock->npages) - /* Clear any elements in data block to fill value */ - if ((hdr->cparam.cls->fill)(dblock->elmts, (size_t)dblock->nelmts) < 0) - H5E_THROW(H5E_CANTSET, "can't set extensible array data block elements to class's fill value") - -/* Cache the new extensible array data block */ -if (H5AC_insert_entry(hdr->f, H5AC_EARRAY_DBLOCK, dblock_addr, dblock, H5AC__NO_FLAGS_SET) < 0) - H5E_THROW(H5E_CANTINSERT, "can't add extensible array data block to cache") -inserted = TRUE; - -/* Add data block as child of 'top' proxy */ -if (hdr->top_proxy) { - if (H5AC_proxy_entry_add_child(hdr->top_proxy, hdr->f, dblock) < 0) - H5E_THROW(H5E_CANTSET, "unable to add extensible array entry as child of array proxy") - dblock->top_proxy = hdr->top_proxy; -} /* end if */ - -/* Update extensible array data block statistics */ -hdr->stats.stored.ndata_blks++; -hdr->stats.stored.data_blk_size += dblock->size; - -/* Increment count of elements "realized" */ -hdr->stats.stored.nelmts += nelmts; - -/* Mark the statistics as changed */ -*stats_changed = TRUE; - -/* Set address of data block to return */ -ret_value = dblock_addr; - -CATCH -if (!H5F_addr_defined(ret_value)) - if (dblock) { - /* Remove from cache, if inserted */ - if (inserted) - if (H5AC_remove_entry(dblock) < 0) - H5E_THROW(H5E_CANTREMOVE, "unable to remove extensible array data block from cache") - - /* Release data block's disk space */ - if (H5F_addr_defined(dblock->addr) && - H5MF_xfree(hdr->f, H5FD_MEM_EARRAY_DBLOCK, dblock->addr, (hsize_t)dblock->size) < 0) - H5E_THROW(H5E_CANTFREE, "unable to release extensible array data block") - - /* Destroy data block */ - if (H5EA__dblock_dest(dblock) < 0) - H5E_THROW(H5E_CANTFREE, "unable to destroy extensible array data block") + /* Local variables */ + H5EA_dblock_t *dblock = NULL; /* Extensible array data block */ + haddr_t dblock_addr; /* Extensible array data block address */ + hbool_t inserted = FALSE; /* Whether the header was inserted into cache */ + + /* Sanity check */ + HDassert(hdr); + HDassert(stats_changed); + HDassert(nelmts > 0); + + /* Allocate the data block */ + if (NULL == (dblock = H5EA__dblock_alloc(hdr, parent, nelmts))) + H5E_THROW(H5E_CANTALLOC, "memory allocation failed for extensible array data block") + + /* Set size of data block on disk */ + dblock->size = H5EA_DBLOCK_SIZE(dblock); + + /* Set offset of block in array's address space */ + dblock->block_off = dblk_off; + + /* Allocate space for the data block on disk */ + if (HADDR_UNDEF == (dblock_addr = H5MF_alloc(hdr->f, H5FD_MEM_EARRAY_DBLOCK, (hsize_t)dblock->size))) + H5E_THROW(H5E_CANTALLOC, "file allocation failed for extensible array data block") + dblock->addr = dblock_addr; + + /* Don't initialize elements if paged */ + if (!dblock->npages) + /* Clear any elements in data block to fill value */ + if ((hdr->cparam.cls->fill)(dblock->elmts, (size_t)dblock->nelmts) < 0) + H5E_THROW(H5E_CANTSET, "can't set extensible array data block elements to class's fill value") + + /* Cache the new extensible array data block */ + if (H5AC_insert_entry(hdr->f, H5AC_EARRAY_DBLOCK, dblock_addr, dblock, H5AC__NO_FLAGS_SET) < 0) + H5E_THROW(H5E_CANTINSERT, "can't add extensible array data block to cache") + inserted = TRUE; + + /* Add data block as child of 'top' proxy */ + if (hdr->top_proxy) { + if (H5AC_proxy_entry_add_child(hdr->top_proxy, hdr->f, dblock) < 0) + H5E_THROW(H5E_CANTSET, "unable to add extensible array entry as child of array proxy") + dblock->top_proxy = hdr->top_proxy; } /* end if */ + /* Update extensible array data block statistics */ + hdr->stats.stored.ndata_blks++; + hdr->stats.stored.data_blk_size += dblock->size; + + /* Increment count of elements "realized" */ + hdr->stats.stored.nelmts += nelmts; + + /* Mark the statistics as changed */ + *stats_changed = TRUE; + + /* Set address of data block to return */ + ret_value = dblock_addr; + + CATCH + if (!H5F_addr_defined(ret_value)) + if (dblock) { + /* Remove from cache, if inserted */ + if (inserted) + if (H5AC_remove_entry(dblock) < 0) + H5E_THROW(H5E_CANTREMOVE, "unable to remove extensible array data block from cache") + + /* Release data block's disk space */ + if (H5F_addr_defined(dblock->addr) && + H5MF_xfree(hdr->f, H5FD_MEM_EARRAY_DBLOCK, dblock->addr, (hsize_t)dblock->size) < 0) + H5E_THROW(H5E_CANTFREE, "unable to release extensible array data block") + + /* Destroy data block */ + if (H5EA__dblock_dest(dblock) < 0) + H5E_THROW(H5E_CANTFREE, "unable to destroy extensible array data block") + } /* end if */ + END_FUNC(PKG) /* end H5EA__dblock_create() */ /*------------------------------------------------------------------------- @@ -238,22 +238,22 @@ END_FUNC(PKG) /* end H5EA__dblock_create() */ */ BEGIN_FUNC(PKG, NOERR, unsigned, 0, -, H5EA__dblock_sblk_idx(const H5EA_hdr_t *hdr, hsize_t idx)) -/* Local variables */ -unsigned sblk_idx; /* Which superblock does this index fall in? */ + /* Local variables */ + unsigned sblk_idx; /* Which superblock does this index fall in? */ -/* Sanity check */ -HDassert(hdr); -HDassert(idx >= hdr->cparam.idx_blk_elmts); + /* Sanity check */ + HDassert(hdr); + HDassert(idx >= hdr->cparam.idx_blk_elmts); -/* Adjust index for elements in index block */ -idx -= hdr->cparam.idx_blk_elmts; + /* Adjust index for elements in index block */ + idx -= hdr->cparam.idx_blk_elmts; -/* Determine the superblock information for the index */ -H5_CHECK_OVERFLOW(idx, /*From:*/ hsize_t, /*To:*/ uint64_t); -sblk_idx = H5VM_log2_gen((uint64_t)((idx / hdr->cparam.data_blk_min_elmts) + 1)); + /* Determine the superblock information for the index */ + H5_CHECK_OVERFLOW(idx, /*From:*/ hsize_t, /*To:*/ uint64_t); + sblk_idx = H5VM_log2_gen((uint64_t)((idx / hdr->cparam.data_blk_min_elmts) + 1)); -/* Set return value */ -ret_value = sblk_idx; + /* Set return value */ + ret_value = sblk_idx; END_FUNC(PKG) /* end H5EA__dblock_sblk_idx() */ @@ -273,49 +273,51 @@ BEGIN_FUNC(PKG, ERR, H5EA_dblock_t *, NULL, NULL, H5EA__dblock_protect(H5EA_hdr_t *hdr, void *parent, haddr_t dblk_addr, size_t dblk_nelmts, unsigned flags)) -/* Local variables */ -H5EA_dblock_t * dblock; /* Extensible array data block */ -H5EA_dblock_cache_ud_t udata; /* Information needed for loading data block */ - -/* Sanity check */ -HDassert(hdr); -HDassert(H5F_addr_defined(dblk_addr)); -HDassert(dblk_nelmts); - -/* 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.nelmts = dblk_nelmts; -udata.dblk_addr = dblk_addr; - -/* Protect the data block */ -if (NULL == (dblock = (H5EA_dblock_t *)H5AC_protect(hdr->f, H5AC_EARRAY_DBLOCK, dblk_addr, &udata, flags))) - H5E_THROW(H5E_CANTPROTECT, "unable to protect extensible array data block, address = %llu", - (unsigned long long)dblk_addr) - -/* Create top proxy, if it doesn't exist */ -if (hdr->top_proxy && NULL == dblock->top_proxy) { - /* Add data block as child of 'top' proxy */ - if (H5AC_proxy_entry_add_child(hdr->top_proxy, hdr->f, dblock) < 0) - H5E_THROW(H5E_CANTSET, "unable to add extensible array entry as child of array proxy") - dblock->top_proxy = hdr->top_proxy; -} /* end if */ + /* Local variables */ + H5EA_dblock_t * dblock; /* Extensible array data block */ + H5EA_dblock_cache_ud_t udata; /* Information needed for loading data block */ + + /* Sanity check */ + HDassert(hdr); + HDassert(H5F_addr_defined(dblk_addr)); + HDassert(dblk_nelmts); + + /* 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.nelmts = dblk_nelmts; + udata.dblk_addr = dblk_addr; + + /* Protect the data block */ + if (NULL == + (dblock = (H5EA_dblock_t *)H5AC_protect(hdr->f, H5AC_EARRAY_DBLOCK, dblk_addr, &udata, flags))) + H5E_THROW(H5E_CANTPROTECT, "unable to protect extensible array data block, address = %llu", + (unsigned long long)dblk_addr) + + /* Create top proxy, if it doesn't exist */ + if (hdr->top_proxy && NULL == dblock->top_proxy) { + /* Add data block as child of 'top' proxy */ + if (H5AC_proxy_entry_add_child(hdr->top_proxy, hdr->f, dblock) < 0) + H5E_THROW(H5E_CANTSET, "unable to add extensible array entry as child of array proxy") + dblock->top_proxy = hdr->top_proxy; + } /* end if */ -/* Set return value */ -ret_value = dblock; + /* Set return value */ + ret_value = dblock; -CATCH + CATCH -/* Clean up on error */ -if (!ret_value) { - /* Release the data block, if it was protected */ - if (dblock && H5AC_unprotect(hdr->f, H5AC_EARRAY_DBLOCK, dblock->addr, dblock, H5AC__NO_FLAGS_SET) < 0) - H5E_THROW(H5E_CANTUNPROTECT, "unable to unprotect extensible array data block, address = %llu", - (unsigned long long)dblock->addr) -} /* end if */ + /* Clean up on error */ + if (!ret_value) { + /* Release the data block, if it was protected */ + if (dblock && + H5AC_unprotect(hdr->f, H5AC_EARRAY_DBLOCK, dblock->addr, dblock, H5AC__NO_FLAGS_SET) < 0) + H5E_THROW(H5E_CANTUNPROTECT, "unable to unprotect extensible array data block, address = %llu", + (unsigned long long)dblock->addr) + } /* end if */ END_FUNC(PKG) /* end H5EA__dblock_protect() */ @@ -334,17 +336,17 @@ END_FUNC(PKG) /* end H5EA__dblock_protect() */ BEGIN_FUNC(PKG, ERR, herr_t, SUCCEED, FAIL, H5EA__dblock_unprotect(H5EA_dblock_t *dblock, unsigned cache_flags)) -/* Local variables */ + /* Local variables */ -/* Sanity check */ -HDassert(dblock); + /* Sanity check */ + HDassert(dblock); -/* Unprotect the data block */ -if (H5AC_unprotect(dblock->hdr->f, H5AC_EARRAY_DBLOCK, dblock->addr, dblock, cache_flags) < 0) - H5E_THROW(H5E_CANTUNPROTECT, "unable to unprotect extensible array data block, address = %llu", - (unsigned long long)dblock->addr) + /* Unprotect the data block */ + if (H5AC_unprotect(dblock->hdr->f, H5AC_EARRAY_DBLOCK, dblock->addr, dblock, cache_flags) < 0) + H5E_THROW(H5E_CANTUNPROTECT, "unable to unprotect extensible array data block, address = %llu", + (unsigned long long)dblock->addr) -CATCH + CATCH END_FUNC(PKG) /* end H5EA__dblock_unprotect() */ @@ -363,48 +365,48 @@ END_FUNC(PKG) /* end H5EA__dblock_unprotect() */ BEGIN_FUNC(PKG, ERR, herr_t, SUCCEED, FAIL, H5EA__dblock_delete(H5EA_hdr_t *hdr, void *parent, haddr_t dblk_addr, size_t dblk_nelmts)) -/* Local variables */ -H5EA_dblock_t *dblock = NULL; /* Pointer to data block */ - -/* Sanity check */ -HDassert(hdr); -HDassert(parent); -HDassert(H5F_addr_defined(dblk_addr)); -HDassert(dblk_nelmts > 0); - -/* Protect data block */ -if (NULL == (dblock = H5EA__dblock_protect(hdr, parent, dblk_addr, dblk_nelmts, H5AC__NO_FLAGS_SET))) - H5E_THROW(H5E_CANTPROTECT, "unable to protect extensible array data block, address = %llu", - (unsigned long long)dblk_addr) - -/* Check if this is a paged data block */ -if (dblk_nelmts > hdr->dblk_page_nelmts) { - size_t npages = dblk_nelmts / hdr->dblk_page_nelmts; /* Number of pages in data block */ - haddr_t dblk_page_addr; /* Address of each data block page */ - size_t dblk_page_size; /* Size of each data block page */ - size_t u; /* Local index variable */ - - /* Set up initial state */ - dblk_page_addr = dblk_addr + H5EA_DBLOCK_PREFIX_SIZE(dblock); - dblk_page_size = (hdr->dblk_page_nelmts * hdr->cparam.raw_elmt_size) + H5EA_SIZEOF_CHKSUM; - - /* Iterate over pages in data block */ - for (u = 0; u < npages; u++) { - /* Evict the data block page from the metadata cache */ - /* (OK to call if it doesn't exist in the cache) */ - if (H5AC_expunge_entry(hdr->f, H5AC_EARRAY_DBLK_PAGE, dblk_page_addr, H5AC__NO_FLAGS_SET) < 0) - H5E_THROW(H5E_CANTEXPUNGE, "unable to remove array data block page from metadata cache") - - /* Advance to next page address */ - dblk_page_addr += dblk_page_size; - } /* end for */ -} /* end if */ - -CATCH -/* Finished deleting data block in metadata cache */ -if (dblock && - H5EA__dblock_unprotect(dblock, H5AC__DIRTIED_FLAG | H5AC__DELETED_FLAG | H5AC__FREE_FILE_SPACE_FLAG) < 0) - H5E_THROW(H5E_CANTUNPROTECT, "unable to release extensible array data block") + /* Local variables */ + H5EA_dblock_t *dblock = NULL; /* Pointer to data block */ + + /* Sanity check */ + HDassert(hdr); + HDassert(parent); + HDassert(H5F_addr_defined(dblk_addr)); + HDassert(dblk_nelmts > 0); + + /* Protect data block */ + if (NULL == (dblock = H5EA__dblock_protect(hdr, parent, dblk_addr, dblk_nelmts, H5AC__NO_FLAGS_SET))) + H5E_THROW(H5E_CANTPROTECT, "unable to protect extensible array data block, address = %llu", + (unsigned long long)dblk_addr) + + /* Check if this is a paged data block */ + if (dblk_nelmts > hdr->dblk_page_nelmts) { + size_t npages = dblk_nelmts / hdr->dblk_page_nelmts; /* Number of pages in data block */ + haddr_t dblk_page_addr; /* Address of each data block page */ + size_t dblk_page_size; /* Size of each data block page */ + size_t u; /* Local index variable */ + + /* Set up initial state */ + dblk_page_addr = dblk_addr + H5EA_DBLOCK_PREFIX_SIZE(dblock); + dblk_page_size = (hdr->dblk_page_nelmts * hdr->cparam.raw_elmt_size) + H5EA_SIZEOF_CHKSUM; + + /* Iterate over pages in data block */ + for (u = 0; u < npages; u++) { + /* Evict the data block page from the metadata cache */ + /* (OK to call if it doesn't exist in the cache) */ + if (H5AC_expunge_entry(hdr->f, H5AC_EARRAY_DBLK_PAGE, dblk_page_addr, H5AC__NO_FLAGS_SET) < 0) + H5E_THROW(H5E_CANTEXPUNGE, "unable to remove array data block page from metadata cache") + + /* Advance to next page address */ + dblk_page_addr += dblk_page_size; + } /* end for */ + } /* end if */ + + CATCH + /* Finished deleting data block in metadata cache */ + if (dblock && H5EA__dblock_unprotect(dblock, H5AC__DIRTIED_FLAG | H5AC__DELETED_FLAG | + H5AC__FREE_FILE_SPACE_FLAG) < 0) + H5E_THROW(H5E_CANTUNPROTECT, "unable to release extensible array data block") END_FUNC(PKG) /* end H5EA__dblock_delete() */ @@ -422,34 +424,34 @@ END_FUNC(PKG) /* end H5EA__dblock_delete() */ */ BEGIN_FUNC(PKG, ERR, herr_t, SUCCEED, FAIL, H5EA__dblock_dest(H5EA_dblock_t *dblock)) -/* Sanity check */ -HDassert(dblock); -HDassert(!dblock->has_hdr_depend); - -/* Check if shared header field has been initialized */ -if (dblock->hdr) { - /* Check if we've got elements in the data block */ - if (dblock->elmts && !dblock->npages) { - /* Free buffer for data block elements */ - HDassert(dblock->nelmts > 0); - if (H5EA__hdr_free_elmts(dblock->hdr, dblock->nelmts, dblock->elmts) < 0) - H5E_THROW(H5E_CANTFREE, "unable to free extensible array data block element buffer") - dblock->elmts = NULL; - dblock->nelmts = 0; + /* Sanity check */ + HDassert(dblock); + HDassert(!dblock->has_hdr_depend); + + /* Check if shared header field has been initialized */ + if (dblock->hdr) { + /* Check if we've got elements in the data block */ + if (dblock->elmts && !dblock->npages) { + /* Free buffer for data block elements */ + HDassert(dblock->nelmts > 0); + if (H5EA__hdr_free_elmts(dblock->hdr, dblock->nelmts, dblock->elmts) < 0) + H5E_THROW(H5E_CANTFREE, "unable to free extensible array data block element buffer") + dblock->elmts = NULL; + dblock->nelmts = 0; + } /* end if */ + + /* Decrement reference count on shared info */ + if (H5EA__hdr_decr(dblock->hdr) < 0) + H5E_THROW(H5E_CANTDEC, "can't decrement reference count on shared array header") + dblock->hdr = NULL; } /* end if */ - /* Decrement reference count on shared info */ - if (H5EA__hdr_decr(dblock->hdr) < 0) - H5E_THROW(H5E_CANTDEC, "can't decrement reference count on shared array header") - dblock->hdr = NULL; -} /* end if */ - -/* Sanity check */ -HDassert(NULL == dblock->top_proxy); + /* Sanity check */ + HDassert(NULL == dblock->top_proxy); -/* Free the data block itself */ -dblock = H5FL_FREE(H5EA_dblock_t, dblock); + /* Free the data block itself */ + dblock = H5FL_FREE(H5EA_dblock_t, dblock); -CATCH + CATCH END_FUNC(PKG) /* end H5EA__dblock_dest() */ |