SQ_TYPES_IN_FLAGS
ASSERT((sq->sq_flags & ~SQ_TYPES_IN_FLAGS) == 0);
sq->sq_flags = (sqtype & SQ_TYPES_IN_FLAGS);
ASSERT((rq->q_syncq->sq_flags & SQ_TYPES_IN_FLAGS) ==
(rq->q_syncq->sq_type & SQ_TYPES_IN_FLAGS));
ASSERT((wq->q_syncq->sq_flags & SQ_TYPES_IN_FLAGS) ==
(wq->q_syncq->sq_type & SQ_TYPES_IN_FLAGS));
sq->sq_flags = sqtype & SQ_TYPES_IN_FLAGS;