btrfs: Add datasum mount option.
authorQu Wenruo <quwenruo@cn.fujitsu.com>
Mon, 6 Jan 2014 01:58:32 +0000 (09:58 +0800)
committerChris Mason <clm@fb.com>
Tue, 28 Jan 2014 21:20:20 +0000 (13:20 -0800)
commitd399167d88ea53590d6c0850b2d5534cbd21da02
treead340d5afe66275fc2d5c0c86998ba2a0a1d9ab6
parenta258af7a3e395a1d36190c81614dca0bcb5f6012
btrfs: Add datasum mount option.

Add datasum mount option to enable checksum 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>
Documentation/filesystems/btrfs.txt
fs/btrfs/super.c