From: Dennis Yang <shinrairis@gmail.com>
Date: Fri, 26 Jun 2015 14:25:48 +0000 (+0100)
Subject: dm btree remove: fix bug in redistribute3
X-Git-Tag: omap-for-v4.3/fixes-merge-window~228^2~10
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=4c7e309340ff;p=pandora-kernel.git

dm btree remove: fix bug in redistribute3

redistribute3() shares entries out across 3 nodes.  Some entries were
being moved the wrong way, breaking the ordering.  This manifested as a
BUG() in dm-btree-remove.c:shift() when entries were removed from the
btree.

For additional context see:
https://www.redhat.com/archives/dm-devel/2015-May/msg00113.html

Signed-off-by: Dennis Yang <shinrairis@gmail.com>
Signed-off-by: Joe Thornber <ejt@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Cc: stable@vger.kernel.org
---

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