From: Joe Thornber <ejt@redhat.com>
Date: Wed, 12 Aug 2015 14:10:21 +0000 (+0100)
Subject: dm thin metadata: delete btrees when releasing metadata snapshot
X-Git-Tag: omap-for-v4.3/fixes-merge-window~103^2~2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=7f518ad0a212e2a6fd68630e176af1de395070a7;p=pandora-kernel.git

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
---

Reading git-diff-tree failed