diff options
Diffstat (limited to 'src/H5FAdblock.c')
| -rw-r--r-- | src/H5FAdblock.c | 430 |
1 files changed, 216 insertions, 214 deletions
diff --git a/src/H5FAdblock.c b/src/H5FAdblock.c index 09585c5..1c0a2d7 100644 --- a/src/H5FAdblock.c +++ b/src/H5FAdblock.c @@ -90,70 +90,70 @@ H5FL_BLK_DEFINE(fa_page_init); */ BEGIN_FUNC(PKG, ERR, H5FA_dblock_t *, NULL, NULL, H5FA__dblock_alloc(H5FA_hdr_t *hdr)) -/* Local variables */ -H5FA_dblock_t *dblock = NULL; /* fixed array data block */ + /* Local variables */ + H5FA_dblock_t *dblock = NULL; /* fixed array data block */ -/* Check arguments */ -HDassert(hdr); -HDassert(hdr->cparam.nelmts > 0); + /* Check arguments */ + HDassert(hdr); + HDassert(hdr->cparam.nelmts > 0); -/* Allocate memory for the data block */ -if (NULL == (dblock = H5FL_CALLOC(H5FA_dblock_t))) - H5E_THROW(H5E_CANTALLOC, "memory allocation failed for fixed array data block") + /* Allocate memory for the data block */ + if (NULL == (dblock = H5FL_CALLOC(H5FA_dblock_t))) + H5E_THROW(H5E_CANTALLOC, "memory allocation failed for fixed array data block") -/* Share common array information */ -if (H5FA__hdr_incr(hdr) < 0) - H5E_THROW(H5E_CANTINC, "can't increment reference count on shared array header") -dblock->hdr = hdr; + /* Share common array information */ + if (H5FA__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->dblk_page_nelmts = (size_t)1 << hdr->cparam.max_dblk_page_nelmts_bits; + /* Set non-zero internal fields */ + dblock->dblk_page_nelmts = (size_t)1 << hdr->cparam.max_dblk_page_nelmts_bits; -/* Check if this data block should be paged */ -if (hdr->cparam.nelmts > dblock->dblk_page_nelmts) { - /* Compute number of pages */ - hsize_t npages = ((hdr->cparam.nelmts + dblock->dblk_page_nelmts) - 1) / dblock->dblk_page_nelmts; + /* Check if this data block should be paged */ + if (hdr->cparam.nelmts > dblock->dblk_page_nelmts) { + /* Compute number of pages */ + hsize_t npages = ((hdr->cparam.nelmts + dblock->dblk_page_nelmts) - 1) / dblock->dblk_page_nelmts; - /* Safely assign the number of pages */ - H5_CHECKED_ASSIGN(dblock->npages, size_t, npages, hsize_t); + /* Safely assign the number of pages */ + H5_CHECKED_ASSIGN(dblock->npages, size_t, npages, hsize_t); - /* Sanity check that we have at least 1 page */ - HDassert(dblock->npages > 0); + /* Sanity check that we have at least 1 page */ + HDassert(dblock->npages > 0); - /* Compute size of 'page init' flag array, in bytes */ - dblock->dblk_page_init_size = (dblock->npages + 7) / 8; - HDassert(dblock->dblk_page_init_size > 0); + /* Compute size of 'page init' flag array, in bytes */ + dblock->dblk_page_init_size = (dblock->npages + 7) / 8; + HDassert(dblock->dblk_page_init_size > 0); - /* Allocate space for 'page init' flags */ - if (NULL == (dblock->dblk_page_init = H5FL_BLK_CALLOC(fa_page_init, dblock->dblk_page_init_size))) - H5E_THROW(H5E_CANTALLOC, "memory allocation failed for page init bitmask") + /* Allocate space for 'page init' flags */ + if (NULL == (dblock->dblk_page_init = H5FL_BLK_CALLOC(fa_page_init, dblock->dblk_page_init_size))) + H5E_THROW(H5E_CANTALLOC, "memory allocation failed for page init bitmask") - /* Compute data block page size */ - dblock->dblk_page_size = (dblock->dblk_page_nelmts * hdr->cparam.raw_elmt_size) + H5FA_SIZEOF_CHKSUM; + /* Compute data block page size */ + dblock->dblk_page_size = (dblock->dblk_page_nelmts * hdr->cparam.raw_elmt_size) + H5FA_SIZEOF_CHKSUM; - /* Compute the # of elements on last page */ - if (0 == hdr->cparam.nelmts % dblock->dblk_page_nelmts) - dblock->last_page_nelmts = dblock->dblk_page_nelmts; - else - dblock->last_page_nelmts = (size_t)(hdr->cparam.nelmts % dblock->dblk_page_nelmts); -} /* end if */ -else { - hsize_t dblk_size = hdr->cparam.nelmts * hdr->cparam.cls->nat_elmt_size; + /* Compute the # of elements on last page */ + if (0 == hdr->cparam.nelmts % dblock->dblk_page_nelmts) + dblock->last_page_nelmts = dblock->dblk_page_nelmts; + else + dblock->last_page_nelmts = (size_t)(hdr->cparam.nelmts % dblock->dblk_page_nelmts); + } /* end if */ + else { + hsize_t dblk_size = hdr->cparam.nelmts * hdr->cparam.cls->nat_elmt_size; - /* Allocate buffer for elements in data block */ - H5_CHECK_OVERFLOW(dblk_size, /* From: */ hsize_t, /* To: */ size_t); - if (NULL == (dblock->elmts = H5FL_BLK_MALLOC(chunk_elmts, (size_t)dblk_size))) - H5E_THROW(H5E_CANTALLOC, "memory allocation failed for data block element buffer") -} /* end else */ + /* Allocate buffer for elements in data block */ + H5_CHECK_OVERFLOW(dblk_size, /* From: */ hsize_t, /* To: */ size_t); + if (NULL == (dblock->elmts = H5FL_BLK_MALLOC(chunk_elmts, (size_t)dblk_size))) + H5E_THROW(H5E_CANTALLOC, "memory allocation failed for data block element buffer") + } /* end else */ -/* Set the return value */ -ret_value = dblock; + /* Set the return value */ + ret_value = dblock; -CATCH + CATCH -if (!ret_value) - if (dblock && H5FA__dblock_dest(dblock) < 0) - H5E_THROW(H5E_CANTFREE, "unable to destroy fixed array data block") + if (!ret_value) + if (dblock && H5FA__dblock_dest(dblock) < 0) + H5E_THROW(H5E_CANTFREE, "unable to destroy fixed array data block") END_FUNC(PKG) /* end H5FA__dblock_alloc() */ @@ -172,70 +172,70 @@ END_FUNC(PKG) /* end H5FA__dblock_alloc() */ BEGIN_FUNC(PKG, ERR, haddr_t, HADDR_UNDEF, HADDR_UNDEF, H5FA__dblock_create(H5FA_hdr_t *hdr, hbool_t *hdr_dirty)) -/* Local variables */ -H5FA_dblock_t *dblock = NULL; /* Fixed array data block */ -haddr_t dblock_addr; /* Fixed array data block address */ -hbool_t inserted = FALSE; /* Whether the header was inserted into cache */ - -/* Sanity check */ -HDassert(hdr); -HDassert(hdr_dirty); - -/* Allocate the data block */ -if (NULL == (dblock = H5FA__dblock_alloc(hdr))) - H5E_THROW(H5E_CANTALLOC, "memory allocation failed for fixed array data block") - -/* Set size of data block on disk */ -hdr->stats.dblk_size = dblock->size = H5FA_DBLOCK_SIZE(dblock); - -/* Allocate space for the data block on disk */ -if (HADDR_UNDEF == (dblock_addr = H5MF_alloc(hdr->f, H5FD_MEM_FARRAY_DBLOCK, (hsize_t)dblock->size))) - H5E_THROW(H5E_CANTALLOC, "file allocation failed for fixed 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)hdr->cparam.nelmts) < 0) - H5E_THROW(H5E_CANTSET, "can't set fixed array data block elements to class's fill value") - -/* Cache the new fixed array data block */ -if (H5AC_insert_entry(hdr->f, H5AC_FARRAY_DBLOCK, dblock_addr, dblock, H5AC__NO_FLAGS_SET) < 0) - H5E_THROW(H5E_CANTINSERT, "can't add fixed 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 fixed array entry as child of array proxy") - dblock->top_proxy = hdr->top_proxy; -} /* end if */ - -/* Mark the header dirty (for updating statistics) */ -*hdr_dirty = 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 fixed array data block from cache") - - /* Release data block's disk space */ - if (H5F_addr_defined(dblock->addr) && - H5MF_xfree(hdr->f, H5FD_MEM_FARRAY_DBLOCK, dblock->addr, (hsize_t)dblock->size) < 0) - H5E_THROW(H5E_CANTFREE, "unable to release fixed array data block") - - /* Destroy data block */ - if (H5FA__dblock_dest(dblock) < 0) - H5E_THROW(H5E_CANTFREE, "unable to destroy fixed array data block") + /* Local variables */ + H5FA_dblock_t *dblock = NULL; /* Fixed array data block */ + haddr_t dblock_addr; /* Fixed array data block address */ + hbool_t inserted = FALSE; /* Whether the header was inserted into cache */ + + /* Sanity check */ + HDassert(hdr); + HDassert(hdr_dirty); + + /* Allocate the data block */ + if (NULL == (dblock = H5FA__dblock_alloc(hdr))) + H5E_THROW(H5E_CANTALLOC, "memory allocation failed for fixed array data block") + + /* Set size of data block on disk */ + hdr->stats.dblk_size = dblock->size = H5FA_DBLOCK_SIZE(dblock); + + /* Allocate space for the data block on disk */ + if (HADDR_UNDEF == (dblock_addr = H5MF_alloc(hdr->f, H5FD_MEM_FARRAY_DBLOCK, (hsize_t)dblock->size))) + H5E_THROW(H5E_CANTALLOC, "file allocation failed for fixed 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)hdr->cparam.nelmts) < 0) + H5E_THROW(H5E_CANTSET, "can't set fixed array data block elements to class's fill value") + + /* Cache the new fixed array data block */ + if (H5AC_insert_entry(hdr->f, H5AC_FARRAY_DBLOCK, dblock_addr, dblock, H5AC__NO_FLAGS_SET) < 0) + H5E_THROW(H5E_CANTINSERT, "can't add fixed 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 fixed array entry as child of array proxy") + dblock->top_proxy = hdr->top_proxy; } /* end if */ + /* Mark the header dirty (for updating statistics) */ + *hdr_dirty = 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 fixed array data block from cache") + + /* Release data block's disk space */ + if (H5F_addr_defined(dblock->addr) && + H5MF_xfree(hdr->f, H5FD_MEM_FARRAY_DBLOCK, dblock->addr, (hsize_t)dblock->size) < 0) + H5E_THROW(H5E_CANTFREE, "unable to release fixed array data block") + + /* Destroy data block */ + if (H5FA__dblock_dest(dblock) < 0) + H5E_THROW(H5E_CANTFREE, "unable to destroy fixed array data block") + } /* end if */ + END_FUNC(PKG) /* end H5FA__dblock_create() */ /*------------------------------------------------------------------------- @@ -253,45 +253,47 @@ END_FUNC(PKG) /* end H5FA__dblock_create() */ BEGIN_FUNC(PKG, ERR, H5FA_dblock_t *, NULL, NULL, H5FA__dblock_protect(H5FA_hdr_t *hdr, haddr_t dblk_addr, unsigned flags)) -/* Local variables */ -H5FA_dblock_t * dblock; /* Fixed array data block */ -H5FA_dblock_cache_ud_t udata; /* Information needed for loading data block */ - -/* Sanity check */ -HDassert(hdr); -HDassert(H5F_addr_defined(dblk_addr)); - -/* only the H5AC__READ_ONLY_FLAG flag is permitted */ -HDassert((flags & (unsigned)(~H5AC__READ_ONLY_FLAG)) == 0); - -/* Set up user data */ -udata.hdr = hdr; -udata.dblk_addr = dblk_addr; - -/* Protect the data block */ -if (NULL == (dblock = (H5FA_dblock_t *)H5AC_protect(hdr->f, H5AC_FARRAY_DBLOCK, dblk_addr, &udata, flags))) - H5E_THROW(H5E_CANTPROTECT, "unable to protect fixed 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 fixed array entry as child of array proxy") - dblock->top_proxy = hdr->top_proxy; -} /* end if */ + /* Local variables */ + H5FA_dblock_t * dblock; /* Fixed array data block */ + H5FA_dblock_cache_ud_t udata; /* Information needed for loading data block */ + + /* Sanity check */ + HDassert(hdr); + HDassert(H5F_addr_defined(dblk_addr)); + + /* only the H5AC__READ_ONLY_FLAG flag is permitted */ + HDassert((flags & (unsigned)(~H5AC__READ_ONLY_FLAG)) == 0); + + /* Set up user data */ + udata.hdr = hdr; + udata.dblk_addr = dblk_addr; + + /* Protect the data block */ + if (NULL == + (dblock = (H5FA_dblock_t *)H5AC_protect(hdr->f, H5AC_FARRAY_DBLOCK, dblk_addr, &udata, flags))) + H5E_THROW(H5E_CANTPROTECT, "unable to protect fixed 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 fixed 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_FARRAY_DBLOCK, dblock->addr, dblock, H5AC__NO_FLAGS_SET) < 0) - H5E_THROW(H5E_CANTUNPROTECT, "unable to unprotect fixed array data block, address = %llu", - (unsigned long long)dblock->addr) + /* Clean up on error */ + if (!ret_value) + /* Release the data block, if it was protected */ + if (dblock && + H5AC_unprotect(hdr->f, H5AC_FARRAY_DBLOCK, dblock->addr, dblock, H5AC__NO_FLAGS_SET) < 0) + H5E_THROW(H5E_CANTUNPROTECT, "unable to unprotect fixed array data block, address = %llu", + (unsigned long long)dblock->addr) END_FUNC(PKG) /* end H5FA__dblock_protect() */ @@ -310,17 +312,17 @@ END_FUNC(PKG) /* end H5FA__dblock_protect() */ BEGIN_FUNC(PKG, ERR, herr_t, SUCCEED, FAIL, H5FA__dblock_unprotect(H5FA_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_FARRAY_DBLOCK, dblock->addr, dblock, cache_flags) < 0) - H5E_THROW(H5E_CANTUNPROTECT, "unable to unprotect fixed array data block, address = %llu", - (unsigned long long)dblock->addr) + /* Unprotect the data block */ + if (H5AC_unprotect(dblock->hdr->f, H5AC_FARRAY_DBLOCK, dblock->addr, dblock, cache_flags) < 0) + H5E_THROW(H5E_CANTUNPROTECT, "unable to unprotect fixed array data block, address = %llu", + (unsigned long long)dblock->addr) -CATCH + CATCH END_FUNC(PKG) /* end H5FA__dblock_unprotect() */ @@ -338,44 +340,44 @@ END_FUNC(PKG) /* end H5FA__dblock_unprotect() */ */ BEGIN_FUNC(PKG, ERR, herr_t, SUCCEED, FAIL, H5FA__dblock_delete(H5FA_hdr_t *hdr, haddr_t dblk_addr)) -/* Local variables */ -H5FA_dblock_t *dblock = NULL; /* Pointer to data block */ + /* Local variables */ + H5FA_dblock_t *dblock = NULL; /* Pointer to data block */ -/* Sanity check */ -HDassert(hdr); -HDassert(H5F_addr_defined(dblk_addr)); + /* Sanity check */ + HDassert(hdr); + HDassert(H5F_addr_defined(dblk_addr)); -/* Protect data block */ -if (NULL == (dblock = H5FA__dblock_protect(hdr, dblk_addr, H5AC__NO_FLAGS_SET))) - H5E_THROW(H5E_CANTPROTECT, "unable to protect fixed array data block, address = %llu", - (unsigned long long)dblk_addr) + /* Protect data block */ + if (NULL == (dblock = H5FA__dblock_protect(hdr, dblk_addr, H5AC__NO_FLAGS_SET))) + H5E_THROW(H5E_CANTPROTECT, "unable to protect fixed array data block, address = %llu", + (unsigned long long)dblk_addr) -/* Check if data block is paged */ -if (dblock->npages) { - haddr_t dblk_page_addr; /* Address of each data block page */ - size_t u; /* Local index variable */ + /* Check if data block is paged */ + if (dblock->npages) { + haddr_t dblk_page_addr; /* Address of each data block page */ + size_t u; /* Local index variable */ - /* Set up initial state */ - dblk_page_addr = dblk_addr + H5FA_DBLOCK_PREFIX_SIZE(dblock); + /* Set up initial state */ + dblk_page_addr = dblk_addr + H5FA_DBLOCK_PREFIX_SIZE(dblock); - /* Iterate over pages in data block */ - for (u = 0; u < dblock->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_FARRAY_DBLK_PAGE, dblk_page_addr, H5AC__NO_FLAGS_SET) < 0) - H5E_THROW(H5E_CANTEXPUNGE, "unable to remove array data block page from metadata cache") + /* Iterate over pages in data block */ + for (u = 0; u < dblock->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_FARRAY_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 += dblock->dblk_page_size; - } /* end for */ -} /* end if */ + /* Advance to next page address */ + dblk_page_addr += dblock->dblk_page_size; + } /* end for */ + } /* end if */ -CATCH + CATCH -/* Finished deleting data block in metadata cache */ -if (dblock && - H5FA__dblock_unprotect(dblock, H5AC__DIRTIED_FLAG | H5AC__DELETED_FLAG | H5AC__FREE_FILE_SPACE_FLAG) < 0) - H5E_THROW(H5E_CANTUNPROTECT, "unable to release fixed array data block") + /* Finished deleting data block in metadata cache */ + if (dblock && H5FA__dblock_unprotect(dblock, H5AC__DIRTIED_FLAG | H5AC__DELETED_FLAG | + H5AC__FREE_FILE_SPACE_FLAG) < 0) + H5E_THROW(H5E_CANTUNPROTECT, "unable to release fixed array data block") END_FUNC(PKG) /* end H5FA__dblock_delete() */ @@ -393,38 +395,38 @@ END_FUNC(PKG) /* end H5FA__dblock_delete() */ */ BEGIN_FUNC(PKG, ERR, herr_t, SUCCEED, FAIL, H5FA__dblock_dest(H5FA_dblock_t *dblock)) -/* Sanity check */ -HDassert(dblock); - -/* 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->hdr->cparam.nelmts > 0); - dblock->elmts = H5FL_BLK_FREE(chunk_elmts, dblock->elmts); + /* Sanity check */ + HDassert(dblock); + + /* 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->hdr->cparam.nelmts > 0); + dblock->elmts = H5FL_BLK_FREE(chunk_elmts, dblock->elmts); + } /* end if */ + + /* Check if data block is paged */ + if (dblock->npages) { + /* Free buffer for 'page init' bitmask, if there is one */ + HDassert(dblock->dblk_page_init_size > 0); + if (dblock->dblk_page_init) + dblock->dblk_page_init = H5FL_BLK_FREE(fa_page_init, dblock->dblk_page_init); + } /* end if */ + + /* Decrement reference count on shared info */ + if (H5FA__hdr_decr(dblock->hdr) < 0) + H5E_THROW(H5E_CANTDEC, "can't decrement reference count on shared array header") + dblock->hdr = NULL; } /* end if */ - /* Check if data block is paged */ - if (dblock->npages) { - /* Free buffer for 'page init' bitmask, if there is one */ - HDassert(dblock->dblk_page_init_size > 0); - if (dblock->dblk_page_init) - dblock->dblk_page_init = H5FL_BLK_FREE(fa_page_init, dblock->dblk_page_init); - } /* end if */ - - /* Decrement reference count on shared info */ - if (H5FA__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(H5FA_dblock_t, dblock); + /* Free the data block itself */ + dblock = H5FL_FREE(H5FA_dblock_t, dblock); -CATCH + CATCH END_FUNC(PKG) /* end H5FA__dblock_dest() */ |