btrfs: rename __btrfs_close_devices to close_fs_devices

__btrfs_close_devices() is un-exported, drop the __ prefix and rename it
to close_fs_devices().

Signed-off-by: Anand Jain <anand.jain@oracle.com>
Signed-off-by: David Sterba <dsterba@suse.com>
1 file changed