generic/405: test mkfs against thin provision device

Test mkfs against thin provision device, which has very small
backing size and very big virtual size. mkfs should return error
when it hits EIO.

Signed-off-by: Boyang Xue <bxue@redhat.com>
Reviewed-by: Eryu Guan <eguan@redhat.com>
Signed-off-by: Eryu Guan <eguan@redhat.com>
3 files changed