1091 			       struct pipe_inode_info *opipe,
1102 	struct pipe_inode_info *opipe;  in do_splice()  local
1107 	opipe = get_pipe_info(out);  in do_splice()
1109 	if (ipipe && opipe) {  in do_splice()
1120 		if (ipipe == opipe)  in do_splice()
1126 		return splice_pipe_to_pipe(ipipe, opipe, len, flags);  in do_splice()
1166 	if (opipe) {  in do_splice()
1181 		pipe_lock(opipe);  in do_splice()
1182 		ret = wait_for_space(opipe, flags);  in do_splice()
1184 			ret = do_splice_to(in, &offset, opipe, len, flags);  in do_splice()
1185 		pipe_unlock(opipe);  in do_splice()
1187 			wakeup_pipe_readers(opipe);  in do_splice()
1519 			       struct pipe_inode_info *opipe,  in splice_pipe_to_pipe()  argument
1532 	ret = opipe_prep(opipe, flags);  in splice_pipe_to_pipe()
1541 	pipe_double_lock(ipipe, opipe);  in splice_pipe_to_pipe()
1544 		if (!opipe->readers) {  in splice_pipe_to_pipe()
1558 		if (!ipipe->nrbufs || opipe->nrbufs >= opipe->buffers) {  in splice_pipe_to_pipe()
1574 			pipe_unlock(opipe);  in splice_pipe_to_pipe()
1579 		nbuf = (opipe->curbuf + opipe->nrbufs) & (opipe->buffers - 1);  in splice_pipe_to_pipe()
1580 		obuf = opipe->bufs + nbuf;  in splice_pipe_to_pipe()
1588 			opipe->nrbufs++;  in splice_pipe_to_pipe()
1613 			opipe->nrbufs++;  in splice_pipe_to_pipe()
1622 	pipe_unlock(opipe);  in splice_pipe_to_pipe()
1628 		wakeup_pipe_readers(opipe);  in splice_pipe_to_pipe()
1640 		     struct pipe_inode_info *opipe,  in link_pipe()  argument
1651 	pipe_double_lock(ipipe, opipe);  in link_pipe()
1654 		if (!opipe->readers) {  in link_pipe()
1665 		if (i >= ipipe->nrbufs || opipe->nrbufs >= opipe->buffers)  in link_pipe()
1669 		nbuf = (opipe->curbuf + opipe->nrbufs) & (opipe->buffers - 1);  in link_pipe()
1681 		obuf = opipe->bufs + nbuf;  in link_pipe()
1695 		opipe->nrbufs++;  in link_pipe()
1709 	pipe_unlock(opipe);  in link_pipe()
1715 		wakeup_pipe_readers(opipe);  in link_pipe()
1730 	struct pipe_inode_info *opipe = get_pipe_info(out);  in do_tee()  local
1737 	if (ipipe && opipe && ipipe != opipe) {  in do_tee()
1747 			ret = opipe_prep(opipe, flags);  in do_tee()
1749 				ret = link_pipe(ipipe, opipe, len, flags);  in do_tee()