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-rw-r--r--src/H5F.c12
1 files changed, 11 insertions, 1 deletions
diff --git a/src/H5F.c b/src/H5F.c
index 2ae2886..de68126 100644
--- a/src/H5F.c
+++ b/src/H5F.c
@@ -949,13 +949,23 @@ H5F_new(H5F_file_t *shared, hid_t fcpl_id, hid_t fapl_id, H5FD_t *lf)
f->shared->maxaddr = H5FD_get_maxaddr(lf);
if(!H5F_addr_defined(f->shared->maxaddr))
HGOTO_ERROR(H5E_FILE, H5E_BADVALUE, NULL, "bad maximum address from VFD")
- f->shared->tmp_addr = f->shared->maxaddr;
if(H5FD_get_feature_flags(lf, &f->shared->feature_flags) < 0)
HGOTO_ERROR(H5E_FILE, H5E_CANTGET, NULL, "can't get feature flags from VFD")
if(H5FD_get_fs_type_map(lf, f->shared->fs_type_map) < 0)
HGOTO_ERROR(H5E_FILE, H5E_CANTGET, NULL, "can't get free space type mapping from VFD")
if(H5MF_init_merge_flags(f) < 0)
HGOTO_ERROR(H5E_FILE, H5E_CANTINIT, NULL, "problem initializing free space merge flags")
+ f->shared->tmp_addr = f->shared->maxaddr;
+ /* Disable temp. space allocation for parallel I/O (for now) */
+ /* (When we've arranged to have the relocated metadata addresses (and
+ * sizes) broadcast during the "end of epoch" metadata operations,
+ * this can be enabled - QAK)
+ */
+ /* (This should be disabled when the metadata journaling branch is
+ * merged into the trunk and journaling is enabled, at least until
+ * we make it work. - QAK)
+ */
+ f->shared->use_tmp_space = !(IS_H5FD_MPI(f));
/* Bump superblock version if we are to use the latest version of the format */
if(f->shared->latest_format)