From: Qu Wenruo <quwenruo@cn.fujitsu.com>
Date: Mon, 6 Jan 2014 01:58:27 +0000 (+0800)
Subject: btrfs: Add nodiscard mount option.
X-Git-Tag: v3.14-rc1~29^2~58
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=e07a2ade4426a2cbafae4018aa7b6944bb627a6e;p=pandora-kernel.git

btrfs: Add nodiscard mount option.

Add nodiscard mount option to disable discard 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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