Btrfs would crash when the users wrote some data into a file with
compress flag but the compression of the fs was disabled. This test
case is to check this bug still happen or not.
Signed-off-by: Miao Xie <miaox@cn.fujitsu.com>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Signed-off-by: Dave Chinner <david@fromorbit.com>
Miao Xie