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authorJoe Thornber <ejt@redhat.com>2015-08-12 17:10:21 +0300
committerMike Snitzer <snitzer@redhat.com>2015-08-12 17:42:51 +0300
commit7f518ad0a212e2a6fd68630e176af1de395070a7 (patch)
tree1a4c17847494cef58a695d1421675e5953af5b93 /drivers/md/dm-thin-metadata.c
parentf7644cbfcdf03528f0f450f3940c4985b2291f49 (diff)
downloadlinux-7f518ad0a212e2a6fd68630e176af1de395070a7.tar.xz
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
Diffstat (limited to 'drivers/md/dm-thin-metadata.c')
-rw-r--r--drivers/md/dm-thin-metadata.c4
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);