diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/H5Dchunk.c | 54 |
1 files changed, 34 insertions, 20 deletions
diff --git a/src/H5Dchunk.c b/src/H5Dchunk.c index ee83564..0bca730 100644 --- a/src/H5Dchunk.c +++ b/src/H5Dchunk.c @@ -2653,6 +2653,8 @@ H5D__chunk_write(H5D_io_info_t *io_info, const H5D_type_info_t *type_info, H5D_storage_t ctg_store; /* Chunk storage information as contiguous dataset */ H5D_io_info_t cpt_io_info; /* Compact I/O info object */ H5D_storage_t cpt_store; /* Chunk storage information as compact dataset */ + hbool_t ctg_init = FALSE; /* Whether the contiguous I/O info is initialized */ + hbool_t cpt_init = FALSE; /* Whether the compact I/O info is initialized */ hbool_t cpt_dirty; /* Temporary placeholder for compact storage "dirty" flag */ uint32_t dst_accessed_bytes = 0; /* Total accessed size in a chunk */ herr_t ret_value = SUCCEED; /* Return value */ @@ -2665,27 +2667,11 @@ H5D__chunk_write(H5D_io_info_t *io_info, const H5D_type_info_t *type_info, HDassert(type_info); HDassert(fm); - /* Set up contiguous I/O info object */ - H5MM_memcpy(&ctg_io_info, io_info, sizeof(ctg_io_info)); - ctg_io_info.store = &ctg_store; - ctg_io_info.layout_ops = *H5D_LOPS_CONTIG; - - /* Initialize temporary contiguous storage info */ - H5_CHECKED_ASSIGN(ctg_store.contig.dset_size, hsize_t, io_info->dset->shared->layout.u.chunk.size, uint32_t); - - /* Set up compact I/O info object */ - H5MM_memcpy(&cpt_io_info, io_info, sizeof(cpt_io_info)); - cpt_io_info.store = &cpt_store; - cpt_io_info.layout_ops = *H5D_LOPS_COMPACT; - - /* Initialize temporary compact storage info */ - cpt_store.compact.dirty = &cpt_dirty; - /* Iterate through nodes in chunk skip list */ chunk_node = H5D_CHUNK_GET_FIRST_NODE(fm); while(chunk_node) { H5D_chunk_info_t *chunk_info; /* Chunk information */ - H5D_chk_idx_info_t idx_info; /* Chunked index info */ + H5D_chk_idx_info_t idx_info; /* Chunked index info */ H5D_io_info_t *chk_io_info; /* Pointer to I/O info object for this chunk */ void *chunk; /* Pointer to locked chunk buffer */ H5D_chunk_ud_t udata; /* Index pass-through */ @@ -2703,8 +2689,8 @@ H5D__chunk_write(H5D_io_info_t *io_info, const H5D_type_info_t *type_info, HDassert((H5F_addr_defined(udata.chunk_block.offset) && udata.chunk_block.length > 0) || (!H5F_addr_defined(udata.chunk_block.offset) && udata.chunk_block.length == 0)); - /* Set chunk's [scaled] coordinates */ - io_info->store->chunk.scaled = chunk_info->scaled; + /* Set chunk's [scaled] coordinates */ + io_info->store->chunk.scaled = chunk_info->scaled; /* Determine if we should use the chunk cache */ if((cacheable = H5D__chunk_cacheable(io_info, udata.chunk_block.offset, TRUE)) < 0) @@ -2721,7 +2707,7 @@ H5D__chunk_write(H5D_io_info_t *io_info, const H5D_type_info_t *type_info, /* Determine if we will access all the data in the chunk */ if(dst_accessed_bytes != ctg_store.contig.dset_size || (chunk_info->chunk_points * type_info->src_type_size) != ctg_store.contig.dset_size || - fm->fsel_type == H5S_SEL_POINTS) + fm->fsel_type == H5S_SEL_POINTS) entire_chunk = FALSE; /* Lock the chunk into the cache */ @@ -2731,6 +2717,20 @@ H5D__chunk_write(H5D_io_info_t *io_info, const H5D_type_info_t *type_info, /* Set up the storage buffer information for this chunk */ cpt_store.compact.buf = chunk; + /* Initialize the compact I/O info, if it isn't already */ + if(!cpt_init) { + /* Set up compact I/O info object */ + H5MM_memcpy(&cpt_io_info, io_info, sizeof(cpt_io_info)); + cpt_io_info.store = &cpt_store; + cpt_io_info.layout_ops = *H5D_LOPS_COMPACT; + + /* Initialize temporary compact storage info */ + cpt_store.compact.dirty = &cpt_dirty; + + /* Indicate compact I/O info ready */ + cpt_init = TRUE; + } /* end if */ + /* Point I/O info at main I/O info for this chunk */ chk_io_info = &cpt_io_info; } /* end if */ @@ -2764,6 +2764,20 @@ H5D__chunk_write(H5D_io_info_t *io_info, const H5D_type_info_t *type_info, /* No chunk cached */ chunk = NULL; + /* Initialize the contigous I/O info, if it isn't already */ + if(!ctg_init) { + /* Set up contiguous I/O info object */ + H5MM_memcpy(&ctg_io_info, io_info, sizeof(ctg_io_info)); + ctg_io_info.store = &ctg_store; + ctg_io_info.layout_ops = *H5D_LOPS_CONTIG; + + /* Initialize temporary contiguous storage info */ + H5_CHECKED_ASSIGN(ctg_store.contig.dset_size, hsize_t, io_info->dset->shared->layout.u.chunk.size, uint32_t); + + /* Indicate contigous I/O info ready */ + ctg_init = TRUE; + } /* end if */ + /* Point I/O info at temporary I/O info for this chunk */ chk_io_info = &ctg_io_info; } /* end else */ |