There're six test cases:
- mount at a nonexistent mount point
- mount a free loop device
- mount with a wrong fs type
- umount an symlink to device which is not mounted
- umount a path with too long name
- lazy umount a symlink
Signed-off-by: Eryu Guan <eguan@redhat.com>
Reviewed-by: Brian Foster <bfoster@redhat.com>
Signed-off-by: Dave Chinner <david@fromorbit.com>
Eryu Guan