we want to look up the device attached to a raid volume by its address on the bus, not which bioctl volume id it is.
we want to look up the device attached to a raid volume by its address on
the bus, not which bioctl volume id it is.

ok mikeb@ krw@ miod@

orumin/openbsd-efivars,orumin/openbsd-efivars,orumin/openbsd-efivars,orumin/openbsd-efivars