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authorQuincey Koziol <koziol@hdfgroup.org>2019-01-06 04:31:42 (GMT)
committerM. Scot Breitenfeld <brtnfld@hdfgroup.org>2019-01-07 22:55:59 (GMT)
commitfed17ed3838d2cf73f8848c9d340a9139c0c02dc (patch)
tree32ff8b32b33a2947c27cbff5a05baee35c23d58b /src/H5Dio.c
parent5dfe00629588a54dbfb6f2d09dfbd88177e37cc2 (diff)
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HDFFV-10625 -- Implemented a process-0 read and then broadcast for collective read of full (HS_ALL), contiguous, atomic datasets by all the processes in the file communicator.
Diffstat (limited to 'src/H5Dio.c')
-rw-r--r--src/H5Dio.c18
1 files changed, 4 insertions, 14 deletions
diff --git a/src/H5Dio.c b/src/H5Dio.c
index fe85d23..6062dff 100644
--- a/src/H5Dio.c
+++ b/src/H5Dio.c
@@ -657,22 +657,12 @@ H5D__write(H5D_t *dataset, hid_t mem_type_id, const H5S_t *mem_space,
/* Various MPI based checks */
#ifdef H5_HAVE_PARALLEL
- if H5F_HAS_FEATURE(dataset->oloc.file, H5FD_FEAT_HAS_MPI) {
- /* If MPI based VFD is used, no VL datatype support yet. */
+ if(H5F_HAS_FEATURE(dataset->oloc.file, H5FD_FEAT_HAS_MPI)) {
+ /* If MPI based VFD is used, no VL or region reference datatype support yet. */
/* This is because they use the global heap in the file and we don't */
/* support parallel access of that yet */
- if(H5T_detect_class(type_info.mem_type, H5T_VLEN, FALSE) > 0)
- HGOTO_ERROR(H5E_DATASET, H5E_UNSUPPORTED, FAIL, "Parallel IO does not support writing VL datatypes yet")
-
- /* If MPI based VFD is used, no VL datatype support yet. */
- /* This is because they use the global heap in the file and we don't */
- /* support parallel access of that yet */
- /* We should really use H5T_detect_class() here, but it will be difficult
- * to detect the type of the reference if it is nested... -QAK
- */
- if(H5T_get_class(type_info.mem_type, TRUE) == H5T_REFERENCE &&
- H5T_get_ref_type(type_info.mem_type) == H5R_DATASET_REGION)
- HGOTO_ERROR(H5E_DATASET, H5E_UNSUPPORTED, FAIL, "Parallel IO does not support writing region reference datatypes yet")
+ if(H5T_is_vl_storage(type_info.mem_type) > 0)
+ HGOTO_ERROR(H5E_DATASET, H5E_UNSUPPORTED, FAIL, "Parallel IO does not support writing VL or region reference datatypes yet")
} /* end if */
else {
H5FD_mpio_xfer_t io_xfer_mode; /* MPI I/O transfer mode */