1345 			       struct pipe_inode_info *opipe,
1356 	struct pipe_inode_info *opipe;  in do_splice()  local
1361 	opipe = get_pipe_info(out);  in do_splice()
1363 	if (ipipe && opipe) {  in do_splice()
1374 		if (ipipe == opipe)  in do_splice()
1377 		return splice_pipe_to_pipe(ipipe, opipe, len, flags);  in do_splice()
1414 	if (opipe) {  in do_splice()
1426 		ret = do_splice_to(in, &offset, opipe, len, flags);  in do_splice()
1800 			       struct pipe_inode_info *opipe,  in splice_pipe_to_pipe()  argument
1813 	ret = opipe_prep(opipe, flags);  in splice_pipe_to_pipe()
1822 	pipe_double_lock(ipipe, opipe);  in splice_pipe_to_pipe()
1825 		if (!opipe->readers) {  in splice_pipe_to_pipe()
1839 		if (!ipipe->nrbufs || opipe->nrbufs >= opipe->buffers) {  in splice_pipe_to_pipe()
1855 			pipe_unlock(opipe);  in splice_pipe_to_pipe()
1860 		nbuf = (opipe->curbuf + opipe->nrbufs) & (opipe->buffers - 1);  in splice_pipe_to_pipe()
1861 		obuf = opipe->bufs + nbuf;  in splice_pipe_to_pipe()
1869 			opipe->nrbufs++;  in splice_pipe_to_pipe()
1888 			opipe->nrbufs++;  in splice_pipe_to_pipe()
1897 	pipe_unlock(opipe);  in splice_pipe_to_pipe()
1903 		wakeup_pipe_readers(opipe);  in splice_pipe_to_pipe()
1915 		     struct pipe_inode_info *opipe,  in link_pipe()  argument
1926 	pipe_double_lock(ipipe, opipe);  in link_pipe()
1929 		if (!opipe->readers) {  in link_pipe()
1940 		if (i >= ipipe->nrbufs || opipe->nrbufs >= opipe->buffers)  in link_pipe()
1944 		nbuf = (opipe->curbuf + opipe->nrbufs) & (opipe->buffers - 1);  in link_pipe()
1952 		obuf = opipe->bufs + nbuf;  in link_pipe()
1964 		opipe->nrbufs++;  in link_pipe()
1978 	pipe_unlock(opipe);  in link_pipe()
1984 		wakeup_pipe_readers(opipe);  in link_pipe()
1999 	struct pipe_inode_info *opipe = get_pipe_info(out);  in do_tee()  local
2006 	if (ipipe && opipe && ipipe != opipe) {  in do_tee()
2013 			ret = opipe_prep(opipe, flags);  in do_tee()
2015 				ret = link_pipe(ipipe, opipe, len, flags);  in do_tee()