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| author | Joe Thornber <ejt@redhat.com> | 2015-08-12 16:10:21 +0200 |
|---|---|---|
| committer | Mike Snitzer <snitzer@redhat.com> | 2015-08-12 16:42:51 +0200 |
| commit | 7f518ad0a212e2a6fd68630e176af1de395070a7 (patch) | |
| tree | 1a4c17847494cef58a695d1421675e5953af5b93 | |
| parent | Linux 4.2-rc6 (diff) | |
| download | linux-7f518ad0a212e2a6fd68630e176af1de395070a7.tar.xz linux-7f518ad0a212e2a6fd68630e176af1de395070a7.zip | |
dm thin metadata: delete btrees when releasing metadata snapshot
The device details and mapping trees were just being decremented
before. Now btree_del() is called to do a deep delete.
Signed-off-by: Joe Thornber <ejt@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Cc: stable@vger.kernel.org
| -rw-r--r-- | drivers/md/dm-thin-metadata.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/md/dm-thin-metadata.c b/drivers/md/dm-thin-metadata.c index 48dfe3c4d6aa..6ba47cfb1443 100644 --- a/drivers/md/dm-thin-metadata.c +++ b/drivers/md/dm-thin-metadata.c @@ -1293,8 +1293,8 @@ static int __release_metadata_snap(struct dm_pool_metadata *pmd) return r; disk_super = dm_block_data(copy); - dm_sm_dec_block(pmd->metadata_sm, le64_to_cpu(disk_super->data_mapping_root)); - dm_sm_dec_block(pmd->metadata_sm, le64_to_cpu(disk_super->device_details_root)); + dm_btree_del(&pmd->info, le64_to_cpu(disk_super->data_mapping_root)); + dm_btree_del(&pmd->details_info, le64_to_cpu(disk_super->device_details_root)); dm_sm_dec_block(pmd->metadata_sm, held_root); return dm_tm_unlock(pmd->tm, copy); |