dm thin metadata: delete btrees when releasing metadata snapshot
authorJoe Thornber <ejt@redhat.com>
Wed, 12 Aug 2015 14:10:21 +0000 (15:10 +0100)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Sun, 13 Sep 2015 16:07:59 +0000 (09:07 -0700)
commit9cdd5586f1e836ffd877c79c74240ee46fea5bd3
tree0f72438a27ead0700191f4d38f890bade5b02651
parent1f6661e25639001c9fb5922affe9392b3729fff9
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: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/md/dm-thin-metadata.c