diff options
| -rw-r--r-- | drivers/md/persistent-data/dm-space-map-metadata.c | 18 |
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 bfbfe03228c..536782e3bcb 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: /* |