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)
committerMike Snitzer <snitzer@redhat.com>
Wed, 12 Aug 2015 14:42:51 +0000 (10:42 -0400)
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
drivers/md/dm-thin-metadata.c

Simple merge