multi-session support; from NetBSD. millert@ ok
multi-session support; from NetBSD. millert@ ok

this only affects iso_mountfs(), not disklabel. code for it may be added
later.

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