PR_PREVENT
if ((cdb->how & PR_PREVENT) &&
} else if ((cdb->how & PR_PREVENT) == 0 &&
PR_ALLOW : PR_PREVENT,
cdprevent(periph, PR_PREVENT);
|| ((action == PR_PREVENT)
daprevent(periph, PR_PREVENT);
|| ((action == PR_PREVENT)
saprevent(periph, PR_PREVENT);
saprevent(periph, PR_PREVENT); \
if ((action == PR_PREVENT) && (softc->flags & SA_FLAG_TAPE_LOCKED) != 0)
saprevent(periph, PR_PREVENT);