Otherwise udev can unecessarily execute various rules (and issue scanning IO, etc) against the thin-pool -- which can never be a top-level device. Docker-DCO-1.1-Signed-off-by: Mike Snitzer <snitzer@redhat.com> (github: snitm)
This is a first pass at splitting out devicemapper into separate, usable bindings. Signed-off-by: Vincent Batts <vbatts@redhat.com>