From: Miao Xie <miaox@cn.fujitsu.com>
Date: Thu, 6 Mar 2014 05:55:01 +0000 (+0800)
Subject: Btrfs: don't flush all delalloc inodes when we doesn't get s_umount lock
X-Git-Tag: v3.15-rc1~96^2~15
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=6c255e67cec1c38a0569c7f823eba63f9449ccf8;p=pandora-kernel.git

Btrfs: don't flush all delalloc inodes when we doesn't get s_umount lock

We needn't flush all delalloc inodes when we doesn't get s_umount lock,
or we would make the tasks wait for a long time.

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