Illumos/gate 9a34674 — usr/src/boot/lib/libstand/zfs zfs.c, usr/src/boot/sys/boot/common disk.c disk.h
11182 loader: Distinguish between "no partition" and "choose best partition" with a constant. Reviewed by: John Levon <john.levon at joyent.com> Reviewed by: Andy Fiddaman <andy at omniosce.org> Approved by: Dan McDonald <danmcd at joyent.com>