From: Qu Wenruo <quwenruo@cn.fujitsu.com>
Date: Mon, 6 Jan 2014 01:58:31 +0000 (+0800)
Subject: btrfs: Add datacow mount option.
X-Git-Tag: v3.14-rc1~29^2~54
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a258af7a3e395a1d36190c81614dca0bcb5f6012;p=pandora-kernel.git

btrfs: Add datacow mount option.

Add datacow mount option to enable copy-on-write with
remount option.

Signed-off-by: Qu Wenruo <quwenruo@cn.fujitsu.com>
Reviewed-by: David Sterba <dsterba@suse.cz>
Signed-off-by: Josef Bacik <jbacik@fb.com>
Signed-off-by: Chris Mason <clm@fb.com>
---

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