From dc81cdc58ad2f413b96b9004f8d681e5dc554473 Mon Sep 17 00:00:00 2001
From: Miao Xie <miaox@cn.fujitsu.com>
Date: Wed, 20 Feb 2013 23:32:52 -0700
Subject: [PATCH] Btrfs: fix remount vs autodefrag

If we remount the fs to close the auto defragment or make the fs R/O,
we should stop the auto defragment.

Signed-off-by: Miao Xie <miaox@cn.fujitsu.com>
Signed-off-by: Chris Mason <chris.mason@fusionio.com>
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Reading git-format-patch failed