From: Arnd Hannemann <arnd@arndnet.de>
Date: Mon, 16 Apr 2012 13:27:51 +0000 (+0200)
Subject: Btrfs: allow mount -o remount,compress=no
X-Git-Tag: v3.6-rc1~81^2~42
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=063849eafda03edf6872a3728b4a98dcc86290c7;p=pandora-kernel.git

Btrfs: allow mount -o remount,compress=no

Btrfs allows to turn on compression on a mounted and used filesystem
by issuing mount -o remount,compress=lzo.
This patch allows to turn compression off again
while the filesystem is mounted. As suggested by David Sterba
if the compress-force option was set, it is implicitly cleared
if compression is turned off.

Tested-by: David Sterba <dsterba@suse.cz>
Signed-off-by: Arnd Hannemann <arnd@arndnet.de>
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