summaryrefslogtreecommitdiffstats
path: root/drivers/md
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/md')
-rw-r--r--drivers/md/persistent-data/dm-space-map-metadata.c18
1 files changed, 14 insertions, 4 deletions
diff --git a/drivers/md/persistent-data/dm-space-map-metadata.c b/drivers/md/persistent-data/dm-space-map-metadata.c
index bfbfe03228c1..536782e3bcb7 100644
--- a/drivers/md/persistent-data/dm-space-map-metadata.c
+++ b/drivers/md/persistent-data/dm-space-map-metadata.c
@@ -617,13 +617,23 @@ static int sm_metadata_extend(struct dm_space_map *sm, dm_block_t extra_blocks)
if (r)
goto out;
- for (i = old_len; !r && i < smm->begin; i++) {
- r = sm_ll_inc(&smm->ll, i, &ev);
+ /*
+ * We repeatedly increment then commit until the commit doesn't
+ * allocate any new blocks.
+ */
+ do {
+ for (i = old_len; !r && i < smm->begin; i++) {
+ r = sm_ll_inc(&smm->ll, i, &ev);
+ if (r)
+ goto out;
+ }
+ old_len = smm->begin;
+
+ r = sm_ll_commit(&smm->ll);
if (r)
goto out;
- }
- r = sm_metadata_commit(sm);
+ } while (old_len != smm->begin);
out:
/*