the commit:
10e6e65 xfs: be more forgiving of a v4 secondary sb w/ junk in v5 fields
broke primary sb CRC validation, not erroring out the mount
if the crc was bad.
This tests that it's fixed, and properly fails the mount on
a bad crc.
Signed-off-by: Eric Sandeen <sandeen@redhat.com>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Signed-off-by: Dave Chinner <david@fromorbit.com>
Eric Sandeen