Symbol: VNDIOF_FORCE
sbin/umount/umount.c
497
vndio.vnd_flags = fflag ? VNDIOF_FORCE : 0;
sys/dev/vnd.c
1574
force = (vio->vnd_flags & VNDIOF_FORCE) != 0;
usr.sbin/vnconfig/vnconfig.c
336
vndio.vnd_flags |= VNDIOF_FORCE;