From 7f518ad0a212e2a6fd68630e176af1de395070a7 Mon Sep 17 00:00:00 2001
From: Joe Thornber <ejt@redhat.com>
Date: Wed, 12 Aug 2015 15:10:21 +0100
Subject: [PATCH] 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-format-patch failed