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| author | Joe Thornber <ejt@redhat.com> | 2015-08-12 15:10:21 +0100 |
|---|---|---|
| committer | Jiri Slaby <jslaby@suse.cz> | 2015-08-25 16:57:09 +0200 |
| commit | 1d124d81dfdb65173dd291d3b33e4bfb9c4cb624 (patch) | |
| tree | 102273246dcb8125eca4ea3a99a404cd7ecfab29 | |
| parent | 78010f59a4d0a3f311d347671114a1c6e6f4988d (diff) | |
| download | lwn-1d124d81dfdb65173dd291d3b33e4bfb9c4cb624.tar.gz lwn-1d124d81dfdb65173dd291d3b33e4bfb9c4cb624.zip | |
dm thin metadata: delete btrees when releasing metadata snapshot
commit 7f518ad0a212e2a6fd68630e176af1de395070a7 upstream.
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>
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
| -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 b63095c73b5f..7e3da70ed646 100644 --- a/drivers/md/dm-thin-metadata.c +++ b/drivers/md/dm-thin-metadata.c @@ -1295,8 +1295,8 @@ 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); |