https://bugzilla.redhat.com/show_bug.cgi?id=852174
--- Comment #11 from Peter Rajnoha prajnoha@redhat.com --- (In reply to comment #10)
installed. The same applies for btrfs tools I guess... So it's disputable whether it's really necessary to add a requirement for lvm/btrfs tools (as without having these devs mounted and activated, we couldn't even refer to them).
(...if the introduction of the snapshot feature of each of these backends used was added later than the basic functionality of the backend, then the Requires field is needed, of course... otherwise I think we don't need it.)