Btrfs: update the comment of total_bytes and disk_total_bytes of btrfs_devie

Signed-off-by: Miao Xie <miaox@cn.fujitsu.com>
Signed-off-by: Chris Mason <clm@fb.com>
This commit is contained in:
Miao Xie 2014-07-24 11:37:12 +08:00 • committed by Chris Mason
commit 6ba40b615f