479 splice_lock_pair(struct socket *so_src, struct socket *so_dst)  in splice_lock_pair()  argument
487 		error = SOCK_IO_RECV_LOCK(so_src, 0);  in splice_lock_pair()
494 		error = SOCK_IO_RECV_LOCK(so_src, SBL_WAIT | SBL_NOINTR);  in splice_lock_pair()
502 		SOCK_IO_RECV_UNLOCK(so_src);  in splice_lock_pair()
507 splice_unlock_pair(struct socket *so_src, struct socket *so_dst)  in splice_unlock_pair()  argument
509 	SOCK_IO_RECV_UNLOCK(so_src);  in splice_unlock_pair()
518 so_splice_xfer_data(struct socket *so_src, struct socket *so_dst, off_t max,  in so_splice_xfer_data()  argument
528 	SOCK_IO_RECV_ASSERT_LOCKED(so_src);  in so_splice_xfer_data()
535 	sb_src = &so_src->so_rcv;  in so_splice_xfer_data()
543 		SOCK_RECVBUF_LOCK(so_src);  in so_splice_xfer_data()
546 		SOCK_RECVBUF_UNLOCK(so_src);  in so_splice_xfer_data()
551 			error = soreceive_stream_locked(so_src, sb_src, NULL,  in so_splice_xfer_data()
554 			error = soreceive_generic_locked(so_src, NULL,  in so_splice_xfer_data()
589 	struct socket *so_src, *so_dst;  in so_splice_xfer()  local
605 	so_src = sp->src;  in so_splice_xfer()
607 	max = sp->max > 0 ? sp->max - so_src->so_splice_sent : OFF_MAX;  in so_splice_xfer()
617 	splice_lock_pair(so_src, so_dst);  in so_splice_xfer()
619 	error = so_splice_xfer_data(so_src, so_dst, max, &len);  in so_splice_xfer()
629 		so_src->so_splice_sent += len;  in so_splice_xfer()
631 	splice_unlock_pair(so_src, so_dst);  in so_splice_xfer()
642 		    (sp->max > 0 && so_src->so_splice_sent >= sp->max)) {  in so_splice_xfer()
644 			soref(so_src);  in so_splice_xfer()
646 			(void)so_unsplice(so_src, false);  in so_splice_xfer()
647 			sorele(so_src);  in so_splice_xfer()
658 			if (sbavail(&so_src->so_rcv) > 0 &&  in so_splice_xfer()