tree c425161a10af5ea493cbcb2ee2a7010634689fce
parent 842bef5891aaf13e2dede01d86397d810fde2dd8
author Qu Wenruo <quwenruo@cn.fujitsu.com> 1388973506 +0800
committer Chris Mason <clm@fb.com> 1390944016 -0800

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>