From: Miao Xie <miaox@cn.fujitsu.com>
Date: Wed, 3 Sep 2014 13:35:36 +0000 (+0800)
Subject: Btrfs: fix unprotected device->bytes_used update
X-Git-Tag: fixes-against-v3.18-rc2~120^2~48
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=43530c46cc55cf5a381e788276a93c83cbc95e46;p=pandora-kernel.git

Btrfs: fix unprotected device->bytes_used update

We should update device->bytes_used in the lock context of
chunk_mutex, or we would get wrong data.

Signed-off-by: Miao Xie <miaox@cn.fujitsu.com>
Signed-off-by: Chris Mason <clm@fb.com>
---

Reading git-diff-tree failed