diff options
Diffstat (limited to 'src/H5Dchunk.c')
| -rw-r--r-- | src/H5Dchunk.c | 43 |
1 files changed, 35 insertions, 8 deletions
diff --git a/src/H5Dchunk.c b/src/H5Dchunk.c index 71a15b0..cd54c3a 100644 --- a/src/H5Dchunk.c +++ b/src/H5Dchunk.c @@ -1403,6 +1403,19 @@ H5D__chunk_mem_xfree(void *chk, const void *_pline) } /* H5D__chunk_mem_xfree() */ /*------------------------------------------------------------------------- + * Function: H5D__chunk_mem_free + * + * Purpose: Wrapper with H5MM_free_t-compatible signature that just + * calls H5D__chunk_mem_xfree and discards the return value. + *------------------------------------------------------------------------- + */ +static void +H5D__chunk_mem_free(void *chk, const void *_pline) +{ + (void)H5D__chunk_mem_xfree(chk, _pline); +} + +/*------------------------------------------------------------------------- * Function: H5D__chunk_mem_realloc * * Purpose: Reallocate space for a chunk in memory. This routine allocates @@ -3193,11 +3206,14 @@ H5D__chunk_hash_val(const H5D_shared_t *shared, const hsize_t *scaled) herr_t H5D__chunk_lookup(const H5D_t *dset, const hsize_t *scaled, H5D_chunk_ud_t *udata) { - H5D_rdcc_ent_t * ent = NULL; /* Cache entry */ - H5O_storage_chunk_t *sc = &(dset->shared->layout.storage.u.chunk); - unsigned idx = 0; /* Index of chunk in cache, if present */ - hbool_t found = FALSE; /* In cache? */ - herr_t ret_value = SUCCEED; /* Return value */ + H5D_rdcc_ent_t * ent = NULL; /* Cache entry */ + H5O_storage_chunk_t *sc = &(dset->shared->layout.storage.u.chunk); + unsigned idx = 0; /* Index of chunk in cache, if present */ + hbool_t found = FALSE; /* In cache? */ +#ifdef H5_HAVE_PARALLEL + hbool_t reenable_coll_md_reads = FALSE; +#endif + herr_t ret_value = SUCCEED; /* Return value */ FUNC_ENTER_PACKAGE @@ -3268,8 +3284,13 @@ H5D__chunk_lookup(const H5D_t *dset, const hsize_t *scaled, H5D_chunk_ud_t *udat * highly unlikely that users would read the same chunks from all * processes. */ - if (H5F_HAS_FEATURE(idx_info.f, H5FD_FEAT_HAS_MPI)) - H5CX_set_coll_metadata_read(FALSE); + if (H5F_HAS_FEATURE(idx_info.f, H5FD_FEAT_HAS_MPI)) { + hbool_t do_coll_md_reads = H5CX_get_coll_metadata_read(); + if (do_coll_md_reads) { + H5CX_set_coll_metadata_read(FALSE); + reenable_coll_md_reads = TRUE; + } + } #endif /* H5_HAVE_PARALLEL */ /* Go get the chunk information */ @@ -3312,6 +3333,12 @@ H5D__chunk_lookup(const H5D_t *dset, const hsize_t *scaled, H5D_chunk_ud_t *udat } /* end else */ done: +#ifdef H5_HAVE_PARALLEL + /* Re-enable collective metadata reads if we disabled them */ + if (reenable_coll_md_reads) + H5CX_set_coll_metadata_read(TRUE); +#endif /* H5_HAVE_PARALLEL */ + FUNC_LEAVE_NOAPI(ret_value) } /* H5D__chunk_lookup() */ @@ -4427,7 +4454,7 @@ H5D__chunk_allocate(const H5D_io_info_t *io_info, hbool_t full_overwrite, const /* (delay allocating fill buffer for VL datatypes until refilling) */ /* (casting away const OK - QAK) */ if (H5D__fill_init(&fb_info, NULL, (H5MM_allocate_t)H5D__chunk_mem_alloc, (void *)pline, - (H5MM_free_t)H5D__chunk_mem_xfree, (void *)pline, &dset->shared->dcpl_cache.fill, + (H5MM_free_t)H5D__chunk_mem_free, (void *)pline, &dset->shared->dcpl_cache.fill, dset->shared->type, dset->shared->type_id, (size_t)0, orig_chunk_size) < 0) HGOTO_ERROR(H5E_DATASET, H5E_CANTINIT, FAIL, "can't initialize fill buffer info") fb_info_init = TRUE; |