SA_FLAG_TAPE_LOCKED
if ((action == PR_ALLOW) && (softc->flags & SA_FLAG_TAPE_LOCKED) == 0)
if ((action == PR_PREVENT) && (softc->flags & SA_FLAG_TAPE_LOCKED) != 0)
softc->flags &= ~SA_FLAG_TAPE_LOCKED;
softc->flags |= SA_FLAG_TAPE_LOCKED;