1 files changed, 10 insertions, 1 deletions
diff --git a/src/H5Doh.c b/src/H5Doh.c
index a688fe7..39a270f 100644
--- a/src/H5Doh.c
+++ b/src/H5Doh.c
@@ -399,7 +399,16 @@ H5O__dset_bh_info(H5F_t *f, hid_t dxpl_id, H5O_t *oh, H5_ih_info_t *bh_info)
             HGOTO_ERROR(H5E_OHDR, H5E_CANTGET, FAIL, "can't determine chunked dataset btree info")
     } /* end if */
     else if(layout.type == H5D_VIRTUAL && H5D__virtual_is_space_alloc(&layout.storage)) {
-        HDassert(0 && "Not yet implemented...");//VDSINC
+        size_t virtual_heap_size;
+        /* Need to write a test for this.  No assert here for now because the
+         * code is reached by h5_verify_cached_stabs() but it is not properly
+         * tested.  VDSINC */
+        /* Get size of global heap object for virtual dataset */
+        if(H5HG_get_obj_size(f, dxpl_id, &(layout.storage.u.virt.serial_list_hobjid), &virtual_heap_size) < 0)
+            HGOTO_ERROR(H5E_DATASET, H5E_CANTGET, FAIL, "can't get global heap size for virtual dataset mapping")
+
+        /* Return heap size */
+        bh_info->heap_size = (hsize_t)virtual_heap_size;
     } /* end if */
 
     /* Check for External File List message in the object header */