btrfs: Add noautodefrag mount option.
authorQu Wenruo <quwenruo@cn.fujitsu.com>
Mon, 6 Jan 2014 01:58:26 +0000 (09:58 +0800)
committerChris Mason <clm@fb.com>
Tue, 28 Jan 2014 21:20:16 +0000 (13:20 -0800)
commitfc0ca9af180b91aad2fbf2fe3b16a12e1e05a760
treec425161a10af5ea493cbcb2ee2a7010634689fce
parent842bef5891aaf13e2dede01d86397d810fde2dd8
btrfs: Add noautodefrag mount option.

Btrfs has autodefrag mount option but no pairing noautodefrag option,
which makes it impossible to disable autodefrag without umount.

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>
Documentation/filesystems/btrfs.txt
fs/btrfs/super.c