DIOCKLABEL
ioctl(sd, DIOCKLABEL, &one);
if (ioctl(fd, DIOCKLABEL, &keep) == -1)
ioctl(sd, DIOCKLABEL, &one);
ioctl(sd, DIOCKLABEL, &one);
if (ioctl (fd, DIOCKLABEL, &keep) < 0) {
case DIOCKLABEL:
case DIOCKLABEL:
case DIOCKLABEL:
case DIOCKLABEL:
case DIOCKLABEL:
case DIOCKLABEL:
case DIOCKLABEL:
case DIOCKLABEL:
case DIOCKLABEL:
case DIOCKLABEL: /* keep/drop label on close? */
case DIOCKLABEL:
case DIOCKLABEL: