Symbol: VNIOCDETACH
sbin/umount/umount.c
525
if (ioctl(fd, VNIOCDETACH, &vnio) < 0) {
sys/dev/disk/vn/vn.c
417
case VNIOCDETACH:
sys/dev/disk/vn/vn.c
455
case VNIOCDETACH:
usr.sbin/vnconfig/vnconfig.c
446
rv = ioctl(fileno(f), VNIOCDETACH, &vnio);