freebsd-dev/sys/dev/md
Maxim Sobolev c3d1c73fa9 For the MD_ROOT option don't inject /dev/md0 as root dev when ROOTDEVNAME
is defined explicitly. It's kinda pointless and results in extra step in
boot sequence which is not really needed, i.e.:

md0: Embedded image 1331200 bytes at 0x8038b7b4
Trying to mount root from ufs:/dev/md0 []...
Mounting from ufs:/dev/md0 failed with error 22.
Trying to mount root from ufs:md0.uzip []...
warning: no time-of-day clock registered, system time will not be set accurately
start_init: trying /sbin/init
2016-03-09 19:36:25 +00:00
..
md.c For the MD_ROOT option don't inject /dev/md0 as root dev when ROOTDEVNAME 2016-03-09 19:36:25 +00:00