__acquires
__acquires(&qp->scq->flush_lock) __acquires(&qp->rcq->flush_lock)
__acquires(&send_cq->lock) __acquires(&recv_cq->lock)
__acquires(&send_cq->lock) __acquires(&recv_cq->lock)
__acquires(&send_cq->lock) __acquires(&recv_cq->lock)