From: Miao Xie <miaox@cn.fujitsu.com>
Date: Thu, 30 Jan 2014 08:46:54 +0000 (+0800)
Subject: Btrfs: fix unprotected alloc list insertion during the finishing procedure of replace
X-Git-Tag: v3.15-rc1~96^2~105
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=391cd9df81ac07ce7e66ac8fb13e56693061a6e6;p=pandora-kernel.git

Btrfs: fix unprotected alloc list insertion during the finishing procedure of replace

the alloc list of the filesystem is protected by ->chunk_mutex, we need
get that mutex when we insert the new device into the list.

Signed-off-by: Miao Xie <miaox@cn.fujitsu.com>
Signed-off-by: Josef Bacik <jbacik@fb.com>
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