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authorNeil Fortner <nfortne2@hdfgroup.org>2015-08-14 02:55:15 (GMT)
committerNeil Fortner <nfortne2@hdfgroup.org>2015-08-14 02:55:15 (GMT)
commitcefda2ef0c51922a9ab925b0f28b0c2a24a8c050 (patch)
treedb0dfa9d22dcdcd7e064a520598e5d593f98c04e /src
parent51e16157c29eae46c391e896ed54de8e02ffdfea (diff)
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[svn-r27505] Add support for H5Dset_extent for VDS.
Add tests for this. Other bug fixes/cleanup Tested: Kubuntu 64 (home computer)
Diffstat (limited to 'src')
-rw-r--r--src/H5Dint.c30
-rw-r--r--src/H5Dprivate.h8
-rw-r--r--src/H5Dvirtual.c199
3 files changed, 182 insertions, 55 deletions
diff --git a/src/H5Dint.c b/src/H5Dint.c
index dd37beb..490a3c5 100644
--- a/src/H5Dint.c
+++ b/src/H5Dint.c
@@ -2322,6 +2322,7 @@ H5D__set_extent(H5D_t *dset, const hsize_t *size, hid_t dxpl_id)
{
hsize_t curr_dims[H5S_MAX_RANK]; /* Current dimension sizes */
htri_t changed; /* Whether the dataspace changed size */
+ size_t u, v; /* Local index variable */
herr_t ret_value = SUCCEED; /* Return value */
FUNC_ENTER_PACKAGE_TAG(dxpl_id, dset->oloc.addr, FAIL)
@@ -2357,10 +2358,9 @@ H5D__set_extent(H5D_t *dset, const hsize_t *size, hid_t dxpl_id)
hbool_t shrink = FALSE; /* Flag to indicate a dimension has shrank */
hbool_t expand = FALSE; /* Flag to indicate a dimension has grown */
hbool_t update_chunks = FALSE; /* Flag to indicate chunk cache update is needed */
- unsigned u; /* Local index variable */
/* Determine if we are shrinking and/or expanding any dimensions */
- for(u = 0; u < dset->shared->ndims; u++) {
+ for(u = 0; u < (size_t)dset->shared->ndims; u++) {
/* Check for various status changes */
if(size[u] < curr_dims[u])
shrink = TRUE;
@@ -2421,6 +2421,30 @@ H5D__set_extent(H5D_t *dset, const hsize_t *size, hid_t dxpl_id)
HGOTO_ERROR(H5E_DATASET, H5E_WRITEERROR, FAIL, "unable to update cached chunk indices")
} /* end if */
+ /* Operations for virtual datasets */
+ if(H5D_VIRTUAL == dset->shared->layout.type) {
+ /* Check that the dimensions of the VDS are large enough */
+ if(H5D_virtual_check_min_dims(dset) < 0)
+ HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "virtual dataset dimensions not large enough to contain all limited dimensions in all selections")
+
+ /* Patch the virtual selection dataspaces */
+ for(u = 0; u < dset->shared->layout.storage.u.virt.list_nused; u++) {
+ /* Patch extent */
+ if(H5S_set_extent(dset->shared->layout.storage.u.virt.list[u].source_dset.virtual_select, size) < 0)
+ HGOTO_ERROR(H5E_DATASET, H5E_CANTINIT, FAIL, "unable to modify size of data space")
+ dset->shared->layout.storage.u.virt.list[u].virtual_space_status = H5O_VIRTUAL_STATUS_CORRECT;
+
+ /* Patch sub-source datasets */
+ for(v = 0; v < dset->shared->layout.storage.u.virt.list[u].sub_dset_nalloc; v++)
+ if(H5S_set_extent(dset->shared->layout.storage.u.virt.list[u].sub_dset[v].virtual_select, size) < 0)
+ HGOTO_ERROR(H5E_DATASET, H5E_CANTINIT, FAIL, "unable to modify size of data space")
+ } /* end for */
+
+ /* Mark virtual datasets as not fully initialized so internal
+ * selections are recalculated (at next I/O operation) */
+ dset->shared->layout.storage.u.virt.init = FALSE;
+ } /* end if */
+
/* Allocate space for the new parts of the dataset, if appropriate */
if(expand && dset->shared->dcpl_cache.fill.alloc_time == H5D_ALLOC_TIME_EARLY)
if(H5D__alloc_storage(dset, dxpl_id, H5D_ALLOC_EXTEND, FALSE, curr_dims) < 0)
@@ -2443,8 +2467,6 @@ H5D__set_extent(H5D_t *dset, const hsize_t *size, hid_t dxpl_id)
HGOTO_ERROR(H5E_DATASET, H5E_CANTSET, FAIL, "unable to mark dataspace as dirty")
} /* end if */
- /* Make this function work with virtual layout VDSINC */
-
done:
FUNC_LEAVE_NOAPI_TAG(ret_value, FAIL)
} /* end H5D__set_extent() */
diff --git a/src/H5Dprivate.h b/src/H5Dprivate.h
index 3fed97c..d3a23eb 100644
--- a/src/H5Dprivate.h
+++ b/src/H5Dprivate.h
@@ -180,9 +180,11 @@ H5_DLL herr_t H5D_vlen_reclaim(hid_t type_id, H5S_t *space, hid_t plist_id,
H5_DLL herr_t H5D_chunk_idx_reset(H5O_storage_chunk_t *storage, hbool_t reset_addr);
/* Functions that operate on virtual storage */
-H5_DLL herr_t H5D_virtual_check_mapping_pre(H5S_t *vspace, H5S_t *src_space,
- H5O_virtual_space_status_t space_status);
-H5_DLL herr_t H5D_virtual_check_mapping_post(H5O_storage_virtual_ent_t *ent);
+H5_DLL herr_t H5D_virtual_check_mapping_pre(const H5S_t *vspace,
+ const H5S_t *src_space, H5O_virtual_space_status_t space_status);
+H5_DLL herr_t H5D_virtual_check_mapping_post(
+ const H5O_storage_virtual_ent_t *ent);
+H5_DLL herr_t H5D_virtual_check_min_dims(const H5D_t *dset);
H5_DLL herr_t H5D_virtual_update_min_dims(H5O_layout_t *layout, size_t idx);
H5_DLL herr_t H5D_virtual_parse_source_name(const char *source_name,
H5O_storage_virtual_name_seg_t **parsed_name, size_t *static_strlen,
diff --git a/src/H5Dvirtual.c b/src/H5Dvirtual.c
index 99c090f..40208fd 100644
--- a/src/H5Dvirtual.c
+++ b/src/H5Dvirtual.c
@@ -160,7 +160,7 @@ H5FL_DEFINE(H5O_storage_virtual_name_seg_t);
*-------------------------------------------------------------------------
*/
herr_t
-H5D_virtual_check_mapping_pre(H5S_t *vspace, H5S_t *src_space,
+H5D_virtual_check_mapping_pre(const H5S_t *vspace, const H5S_t *src_space,
H5O_virtual_space_status_t space_status)
{
H5S_sel_type select_type; /* Selection type */
@@ -229,7 +229,7 @@ done:
*-------------------------------------------------------------------------
*/
herr_t
-H5D_virtual_check_mapping_post(H5O_storage_virtual_ent_t *ent)
+H5D_virtual_check_mapping_post(const H5O_storage_virtual_ent_t *ent)
{
hsize_t nelmts_vs; /* Number of elements in virtual selection */
hsize_t nelmts_ss; /* Number of elements in source selection */
@@ -343,6 +343,51 @@ done:
/*-------------------------------------------------------------------------
+ * Function: H5D_virtual_check_min_dims
+ *
+ * Purpose: Checks if the dataset's dimensions are at least the
+ * calculated minimum dimensions from the mappings.
+ *
+ * Return: Non-negative on success/Negative on failure
+ *
+ * Programmer: Neil Fortner
+ * August 13, 2015
+ *
+ *-------------------------------------------------------------------------
+ */
+herr_t
+H5D_virtual_check_min_dims(const H5D_t *dset)
+{
+ int rank;
+ hsize_t dims[H5S_MAX_RANK];
+ int i;
+ herr_t ret_value = SUCCEED;
+
+ FUNC_ENTER_NOAPI(FAIL)
+
+ HDassert(dset);
+ HDassert(dset->shared);
+ HDassert(dset->shared->layout.type == H5D_VIRTUAL);
+
+ /* Get rank of dataspace */
+ if((rank = H5S_GET_EXTENT_NDIMS(dset->shared->space)) < 0)
+ HGOTO_ERROR(H5E_DATASET, H5E_CANTGET, FAIL, "unable to get number of dimensions")
+
+ /* Get VDS dimensions */
+ if(H5S_get_simple_extent_dims(dset->shared->space, dims, NULL) < 0)
+ HGOTO_ERROR(H5E_DATASET, H5E_CANTGET, FAIL, "can't get VDS dimensions")
+
+ /* Verify that dimensions are larger than min_dims */
+ for(i = 0; i < rank; i++)
+ if(dims[i] < dset->shared->layout.storage.u.virt.min_dims[i])
+ HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "virtual dataset dimensions not large enough to contain all limited dimensions in all selections")
+
+done:
+ FUNC_LEAVE_NOAPI(ret_value)
+} /* end H5D_virtual_check_min_dims() */
+
+
+/*-------------------------------------------------------------------------
* Function: H5D__virtual_copy_layout
*
* Purpose: Deep copies virtual storage layout message in memory.
@@ -1379,6 +1424,7 @@ H5D__virtual_set_extent_unlim(const H5D_t *dset, hid_t dxpl_id)
/* Extend sub_dset */
if(NULL == (tmp_sub_dset = (H5O_storage_virtual_srcdset_t *)H5MM_realloc(storage->list[i].sub_dset, 2 * storage->list[i].sub_dset_nalloc * sizeof(H5O_storage_virtual_srcdset_t))))
HGOTO_ERROR(H5E_RESOURCE, H5E_CANTALLOC, FAIL, "unable to extend sub dataset array")
+ storage->list[i].sub_dset = tmp_sub_dset;
/* Clear new space in sub_dset */
(void)HDmemset(&storage->list[i].sub_dset[storage->list[i].sub_dset_nalloc], 0, storage->list[i].sub_dset_nalloc * sizeof(H5O_storage_virtual_srcdset_t));
@@ -1579,6 +1625,9 @@ H5D__virtual_set_extent_unlim(const H5D_t *dset, hid_t dxpl_id)
if(storage->list[i].sub_dset[j].clipped_source_select)
if(H5S_close(storage->list[i].sub_dset[j].clipped_source_select) < 0)
HGOTO_ERROR(H5E_DATASET, H5E_CLOSEERROR, FAIL, "unable to release clipped source dataspace")
+
+ /* Initialize clipped source selection to point to
+ * base source selection */
storage->list[i].sub_dset[j].clipped_source_select = storage->list[i].source_select;
} /* end if */
@@ -1588,6 +1637,9 @@ H5D__virtual_set_extent_unlim(const H5D_t *dset, hid_t dxpl_id)
if(storage->list[i].sub_dset[j].clipped_virtual_select)
if(H5S_close(storage->list[i].sub_dset[j].clipped_virtual_select) < 0)
HGOTO_ERROR(H5E_DATASET, H5E_CLOSEERROR, FAIL, "unable to release clipped virtual dataspace")
+
+ /* Initialize clipped virtual selection to point to
+ * unclipped virtual selection */
storage->list[i].sub_dset[j].clipped_virtual_select = storage->list[i].sub_dset[j].virtual_select;
} /* end if */
@@ -1688,16 +1740,10 @@ H5D__virtual_init_all(const H5D_t *dset, hid_t dxpl_id)
/* Check for "printf" source dataset resolution */
if(storage->list[i].unlim_dim_source >= 0 ) {
/* Non-printf mapping */
- /* Sanity checks - these should all have been set to NULL as
- * this layout should have come directly from the API or via
- * H5D__virtual_copy_layout(). */
- HDassert(!storage->list[i].source_dset.dset);
- HDassert(!storage->list[i].source_dset.clipped_virtual_select);
- HDassert(!storage->list[i].source_dset.clipped_source_select);
-
/* Open source dataset */
- if(H5D__virtual_open_source_dset(dset, &storage->list[i], &storage->list[i].source_dset, dxpl_id) < 0)
- HGOTO_ERROR(H5E_DATASET, H5E_CANTOPENOBJ, FAIL, "unable to open source dataset")
+ if(!storage->list[i].source_dset.dset)
+ if(H5D__virtual_open_source_dset(dset, &storage->list[i], &storage->list[i].source_dset, dxpl_id) < 0)
+ HGOTO_ERROR(H5E_DATASET, H5E_CANTOPENOBJ, FAIL, "unable to open source dataset")
/* Check if source dataset is open */
if(storage->list[i].source_dset.dset) {
@@ -1714,21 +1760,37 @@ H5D__virtual_init_all(const H5D_t *dset, hid_t dxpl_id)
* match size of virtual selection */
clip_size = H5S_hyper_get_clip_extent_match(storage->list[i].source_select, storage->list[i].source_dset.virtual_select, virtual_dims[storage->list[i].unlim_dim_virtual], FALSE);
+ /* Close previous clipped virtual selection, if any */
+ if(storage->list[i].source_dset.clipped_virtual_select) {
+ HDassert(storage->list[i].source_dset.clipped_virtual_select
+ != storage->list[i].source_dset.virtual_select);
+ if(H5S_close(storage->list[i].source_dset.clipped_virtual_select) < 0)
+ HGOTO_ERROR(H5E_DATASET, H5E_CLOSEERROR, FAIL, "unable to release clipped virtual dataspace")
+ } /* end if */
+
+ /* Copy virtual selection */
+ if(NULL == (storage->list[i].source_dset.clipped_virtual_select = H5S_copy(storage->list[i].source_dset.virtual_select, FALSE, TRUE)))
+ HGOTO_ERROR(H5E_DATASET, H5E_CANTCOPY, FAIL, "unable to copy virtual selection")
+
+ /* Close previous clipped source selection, if any */
+ if(storage->list[i].source_dset.clipped_source_select) {
+ HDassert(storage->list[i].source_dset.clipped_source_select
+ != storage->list[i].source_select);
+ if(H5S_close(storage->list[i].source_dset.clipped_source_select) < 0)
+ HGOTO_ERROR(H5E_DATASET, H5E_CLOSEERROR, FAIL, "unable to release clipped source dataspace")
+ } /* end if */
+
+ /* Copy source selection */
+ if(NULL == (storage->list[i].source_dset.clipped_source_select = H5S_copy(storage->list[i].source_select, FALSE, TRUE)))
+ HGOTO_ERROR(H5E_DATASET, H5E_CANTCOPY, FAIL, "unable to copy source selection")
+
/* Check if the clip size is within the current extent of
* the source dataset */
if(clip_size <= source_dims[storage->list[i].unlim_dim_source]) {
- /* Copy virtual selection */
- if(NULL == (storage->list[i].source_dset.clipped_virtual_select = H5S_copy(storage->list[i].source_dset.virtual_select, FALSE, TRUE)))
- HGOTO_ERROR(H5E_DATASET, H5E_CANTCOPY, FAIL, "unable to copy virtual selection")
-
/* Clip virtual selection to extent */
if(H5S_hyper_clip_unlim(storage->list[i].source_dset.clipped_virtual_select, virtual_dims[storage->list[i].unlim_dim_virtual]))
HGOTO_ERROR(H5E_DATASET, H5E_CANTCLIP, FAIL, "failed to clip unlimited selection")
- /* Copy source selection */
- if(NULL == (storage->list[i].source_dset.clipped_source_select = H5S_copy(storage->list[i].source_select, FALSE, TRUE)))
- HGOTO_ERROR(H5E_DATASET, H5E_CANTCOPY, FAIL, "unable to copy source selection")
-
/* Clip source selection to clip_size */
if(H5S_hyper_clip_unlim(storage->list[i].source_dset.clipped_source_select, clip_size))
HGOTO_ERROR(H5E_DATASET, H5E_CANTCLIP, FAIL, "failed to clip unlimited selection")
@@ -1739,66 +1801,103 @@ H5D__virtual_init_all(const H5D_t *dset, hid_t dxpl_id)
*/
clip_size = H5S_hyper_get_clip_extent_match(storage->list[i].source_dset.virtual_select, storage->list[i].source_select, source_dims[storage->list[i].unlim_dim_source], FALSE);
- /* Copy virtual selection */
- if(NULL == (storage->list[i].source_dset.clipped_virtual_select = H5S_copy(storage->list[i].source_dset.virtual_select, FALSE, TRUE)))
- HGOTO_ERROR(H5E_DATASET, H5E_CANTCOPY, FAIL, "unable to copy virtual selection")
-
/* Clip virtual selection to clip_size */
if(H5S_hyper_clip_unlim(storage->list[i].source_dset.clipped_virtual_select, clip_size))
HGOTO_ERROR(H5E_DATASET, H5E_CANTCLIP, FAIL, "failed to clip unlimited selection")
- /* Copy source selection */
- if(NULL == (storage->list[i].source_dset.clipped_source_select = H5S_copy(storage->list[i].source_select, FALSE, TRUE)))
- HGOTO_ERROR(H5E_DATASET, H5E_CANTCOPY, FAIL, "unable to copy source selection")
-
/* Clip source selection to extent */
if(H5S_hyper_clip_unlim(storage->list[i].source_dset.clipped_source_select, source_dims[storage->list[i].unlim_dim_source]))
HGOTO_ERROR(H5E_DATASET, H5E_CANTCLIP, FAIL, "failed to clip unlimited selection")
} /* end else */
} /* end if */
+ else {
+ HDassert(!storage->list[i].source_dset.clipped_virtual_select);
+ HDassert(!storage->list[i].source_dset.clipped_source_select);
+ } /* end else */
} /* end if */
else {
/* printf mapping */
size_t sub_dset_max;
hbool_t partial_block;
- /* Sanity checks - this should have been set to NULL as this
- * layout should have come directly from the API or via
- * H5D__virtual_copy_layout(). */
- HDassert(!storage->list[i].source_dset.dset);
-
/* Get number of sub-source datasets in current extent */
sub_dset_max = (size_t)H5S_hyper_get_first_inc_block(storage->list[i].source_dset.virtual_select, virtual_dims[storage->list[i].unlim_dim_virtual], &partial_block);
if(partial_block)
sub_dset_max++;
- /* Allocate sub dset array */
- if(NULL == (storage->list[i].sub_dset = (H5O_storage_virtual_srcdset_t *)H5MM_calloc(sub_dset_max * sizeof(H5O_storage_virtual_srcdset_t))))
- HGOTO_ERROR(H5E_RESOURCE, H5E_CANTALLOC, FAIL, "unable to allocate sub dataset array")
+ /* Allocate or grow the sub_dset array if necessary */
+ if(!storage->list[i].sub_dset) {
+ /* Allocate sub_dset array */
+ if(NULL == (storage->list[i].sub_dset = (H5O_storage_virtual_srcdset_t *)H5MM_calloc(sub_dset_max * sizeof(H5O_storage_virtual_srcdset_t))))
+ HGOTO_ERROR(H5E_RESOURCE, H5E_CANTALLOC, FAIL, "unable to allocate sub dataset array")
+
+ /* Update sub_dset_nalloc */
storage->list[i].sub_dset_nalloc = sub_dset_max;
+ } /* end if */
+ else if(sub_dset_max > storage->list[i].sub_dset_nalloc) {
+ H5O_storage_virtual_srcdset_t *tmp_sub_dset;
+
+ /* Extend sub_dset array */
+ if(NULL == (tmp_sub_dset = (H5O_storage_virtual_srcdset_t *)H5MM_realloc(storage->list[i].sub_dset, sub_dset_max * sizeof(H5O_storage_virtual_srcdset_t))))
+ HGOTO_ERROR(H5E_RESOURCE, H5E_CANTALLOC, FAIL, "unable to extend sub dataset array")
+ storage->list[i].sub_dset = tmp_sub_dset;
+
+ /* Clear new space in sub_dset */
+ (void)HDmemset(&storage->list[i].sub_dset[storage->list[i].sub_dset_nalloc], 0, (sub_dset_max - storage->list[i].sub_dset_nalloc) * sizeof(H5O_storage_virtual_srcdset_t));
+
+ /* Update sub_dset_nalloc */
+ storage->list[i].sub_dset_nalloc = sub_dset_max;
+ } /* end if */
/* Iterate over sub dsets */
for(j = 0; j < sub_dset_max; j++) {
/* Resolve file name */
- if(H5D__virtual_build_source_name(storage->list[i].source_file_name, storage->list[i].parsed_source_file_name, storage->list[i].psfn_static_strlen, storage->list[i].psfn_nsubs, j, &storage->list[i].sub_dset[j].file_name) < 0)
- HGOTO_ERROR(H5E_DATASET, H5E_CANTGET, FAIL, "unable to build source file name")
+ if(!storage->list[i].sub_dset[j].file_name)
+ if(H5D__virtual_build_source_name(storage->list[i].source_file_name, storage->list[i].parsed_source_file_name, storage->list[i].psfn_static_strlen, storage->list[i].psfn_nsubs, j, &storage->list[i].sub_dset[j].file_name) < 0)
+ HGOTO_ERROR(H5E_DATASET, H5E_CANTGET, FAIL, "unable to build source file name")
/* Resolve dset name */
- if(H5D__virtual_build_source_name(storage->list[i].source_dset_name, storage->list[i].parsed_source_dset_name, storage->list[i].psdn_static_strlen, storage->list[i].psdn_nsubs, j, &storage->list[i].sub_dset[j].dset_name) < 0)
- HGOTO_ERROR(H5E_DATASET, H5E_CANTGET, FAIL, "unable to build source dataset name")
+ if(!storage->list[i].sub_dset[j].dset_name)
+ if(H5D__virtual_build_source_name(storage->list[i].source_dset_name, storage->list[i].parsed_source_dset_name, storage->list[i].psdn_static_strlen, storage->list[i].psdn_nsubs, j, &storage->list[i].sub_dset[j].dset_name) < 0)
+ HGOTO_ERROR(H5E_DATASET, H5E_CANTGET, FAIL, "unable to build source dataset name")
/* Resolve virtual selection for block */
- if(NULL == (storage->list[i].sub_dset[j].virtual_select = H5S_hyper_get_unlim_block(storage->list[i].source_dset.virtual_select, j)))
- HGOTO_ERROR(H5E_DATASET, H5E_CANTGET, FAIL, "unable to get block in unlimited selection")
-
- /* Only initialize clipped selections if it is a complete
- * block, otherwise defer to H5D__virtual_pre_io() as we may
- * not have a valid source extent here */
- if((j < (sub_dset_max - 1)) || !partial_block) {
- /* Complete block, just point clipped selections to
- * unclipped selections (they are not unlimited) */
+ if(!storage->list[i].sub_dset[j].virtual_select)
+ if(NULL == (storage->list[i].sub_dset[j].virtual_select = H5S_hyper_get_unlim_block(storage->list[i].source_dset.virtual_select, j)))
+ HGOTO_ERROR(H5E_DATASET, H5E_CANTGET, FAIL, "unable to get block in unlimited selection")
+
+ /* Close previous clipped source selection, if any */
+ if(storage->list[i].sub_dset[j].clipped_source_select
+ != storage->list[i].source_select) {
+ if(storage->list[i].sub_dset[j].clipped_source_select)
+ if(H5S_close(storage->list[i].sub_dset[j].clipped_source_select) < 0)
+ HGOTO_ERROR(H5E_DATASET, H5E_CLOSEERROR, FAIL, "unable to release clipped source dataspace")
+
+ /* Initialize clipped source selection to point to base
+ * source selection */
storage->list[i].sub_dset[j].clipped_source_select = storage->list[i].source_select;
+ } /* end if */
+
+ /* Close previous clipped virtual selection, if any */
+ if(storage->list[i].sub_dset[j].clipped_virtual_select
+ != storage->list[i].sub_dset[j].virtual_select) {
+ if(storage->list[i].sub_dset[j].clipped_virtual_select)
+ if(H5S_close(storage->list[i].sub_dset[j].clipped_virtual_select) < 0)
+ HGOTO_ERROR(H5E_DATASET, H5E_CLOSEERROR, FAIL, "unable to release clipped virtual dataspace")
+
+ /* Initialize clipped virtual selection to point to
+ * unclipped virtual selection */
storage->list[i].sub_dset[j].clipped_virtual_select = storage->list[i].sub_dset[j].virtual_select;
+ } /* end if */
+
+ /* Clear clipped selections if this is a partial block,
+ * defer calculation of real clipped selections to
+ * H5D__virtual_pre_io() as we may not have a valid source
+ * extent here */
+ if((j == (sub_dset_max - 1)) && partial_block) {
+ /* Clear clipped source and virtual selections */
+ storage->list[i].sub_dset[j].clipped_source_select = NULL;
+ storage->list[i].sub_dset[j].clipped_virtual_select = NULL;
} /* end else */
/* Note we do not need to open the source file, this will
* happen later in H5D__virtual_pre_io() */
@@ -1853,6 +1952,10 @@ H5D__virtual_init(H5F_t *f, hid_t H5_ATTR_UNUSED dxpl_id, const H5D_t *dset,
storage = &dset->shared->layout.storage.u.virt;
HDassert(storage->list || (storage->list_nused == 0));
+ /* Check that the dimensions of the VDS are large enough */
+ if(H5D_virtual_check_min_dims(dset) < 0)
+ HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "virtual dataset dimensions not large enough to contain all limited dimensions in all selections")
+
/* Patch the virtual selection dataspaces. Note we always patch the space
* status because this layout could be from an old version held in the
* object header message code. We cannot update that held message because