summaryrefslogtreecommitdiffstats
path: root/src/H5MF.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/H5MF.c')
-rw-r--r--src/H5MF.c68
1 files changed, 35 insertions, 33 deletions
diff --git a/src/H5MF.c b/src/H5MF.c
index 2c9fb6d..b527d6b 100644
--- a/src/H5MF.c
+++ b/src/H5MF.c
@@ -2581,16 +2581,14 @@ H5MF_settle_raw_data_fsm(H5F_t *f, hbool_t *fsm_settled)
hbool_t fsm_opened[H5F_MEM_PAGE_NTYPES]; /* State of FSM */
hbool_t fsm_visited[H5F_MEM_PAGE_NTYPES]; /* State of FSM */
- /* Sanity check */
- assert(f->shared->sblock);
-
/* should only be called if file is opened R/W */
assert(H5F_INTENT(f) & H5F_ACC_RDWR);
/* shouldn't be called unless we have a superblock supporting the
* superblock extension.
*/
- assert(f->shared->sblock->super_vers >= HDF5_SUPERBLOCK_VERSION_2);
+ if (f->shared->sblock)
+ assert(f->shared->sblock->super_vers >= HDF5_SUPERBLOCK_VERSION_2);
/* Initialize fsm_opened and fsm_visited */
memset(fsm_opened, 0, sizeof(fsm_opened));
@@ -2738,40 +2736,44 @@ H5MF_settle_raw_data_fsm(H5F_t *f, hbool_t *fsm_settled)
* file space manager info message is guaranteed to exist.
* Leave it in for now, but consider removing it.
*/
- if (H5_addr_defined(f->shared->sblock->ext_addr))
- if (H5F__super_ext_remove_msg(f, H5O_FSINFO_ID) < 0)
- HGOTO_ERROR(H5E_RESOURCE, H5E_CANTRELEASE, FAIL,
- "error in removing message from superblock extension");
+ if (f->shared->sblock) {
+ if (H5_addr_defined(f->shared->sblock->ext_addr))
+ if (H5F__super_ext_remove_msg(f, H5O_FSINFO_ID) < 0)
+ HGOTO_ERROR(H5E_RESOURCE, H5E_CANTRELEASE, FAIL,
+ "error in removing message from superblock extension");
+ }
/* As the final element in 1), shrink the EOA for the file */
if (H5MF__close_shrink_eoa(f) < 0)
HGOTO_ERROR(H5E_RESOURCE, H5E_CANTSHRINK, FAIL, "can't shrink eoa");
- /* 2) Ensure that space is allocated for the free space manager superblock
- * extension message. Must do this now, before reallocating file space
- * for free space managers, as it is possible that this allocation may
- * grab the last section in a FSM -- making it unnecessary to
- * re-allocate file space for it.
- *
- * Do this by writing a free space manager superblock extension message.
- *
- * Since no free space manager has file space allocated for it, this
- * message must be invalid since we can't save addresses of FSMs when
- * those addresses are unknown. This is OK -- we will write the correct
- * values to the message at free space manager shutdown.
- */
- for (fsm_type = H5F_MEM_PAGE_SUPER; fsm_type < H5F_MEM_PAGE_NTYPES; fsm_type++)
- fsinfo.fs_addr[fsm_type - 1] = HADDR_UNDEF;
- fsinfo.strategy = f->shared->fs_strategy;
- fsinfo.persist = f->shared->fs_persist;
- fsinfo.threshold = f->shared->fs_threshold;
- fsinfo.page_size = f->shared->fs_page_size;
- fsinfo.pgend_meta_thres = f->shared->pgend_meta_thres;
- fsinfo.eoa_pre_fsm_fsalloc = HADDR_UNDEF;
-
- if (H5F__super_ext_write_msg(f, H5O_FSINFO_ID, &fsinfo, TRUE, H5O_MSG_FLAG_MARK_IF_UNKNOWN) < 0)
- HGOTO_ERROR(H5E_RESOURCE, H5E_WRITEERROR, FAIL,
- "error in writing fsinfo message to superblock extension");
+ if (f->shared->sblock) {
+ /* 2) Ensure that space is allocated for the free space manager superblock
+ * extension message. Must do this now, before reallocating file space
+ * for free space managers, as it is possible that this allocation may
+ * grab the last section in a FSM -- making it unnecessary to
+ * re-allocate file space for it.
+ *
+ * Do this by writing a free space manager superblock extension message.
+ *
+ * Since no free space manager has file space allocated for it, this
+ * message must be invalid since we can't save addresses of FSMs when
+ * those addresses are unknown. This is OK -- we will write the correct
+ * values to the message at free space manager shutdown.
+ */
+ for (fsm_type = H5F_MEM_PAGE_SUPER; fsm_type < H5F_MEM_PAGE_NTYPES; fsm_type++)
+ fsinfo.fs_addr[fsm_type - 1] = HADDR_UNDEF;
+ fsinfo.strategy = f->shared->fs_strategy;
+ fsinfo.persist = f->shared->fs_persist;
+ fsinfo.threshold = f->shared->fs_threshold;
+ fsinfo.page_size = f->shared->fs_page_size;
+ fsinfo.pgend_meta_thres = f->shared->pgend_meta_thres;
+ fsinfo.eoa_pre_fsm_fsalloc = HADDR_UNDEF;
+
+ if (H5F__super_ext_write_msg(f, H5O_FSINFO_ID, &fsinfo, TRUE, H5O_MSG_FLAG_MARK_IF_UNKNOWN) < 0)
+ HGOTO_ERROR(H5E_RESOURCE, H5E_WRITEERROR, FAIL,
+ "error in writing fsinfo message to superblock extension");
+ }
/* 3) Scan all free space managers not involved in allocating
* space for free space managers. For each such free space