1336 			       struct pipe_inode_info *opipe,
1347 	struct pipe_inode_info *opipe;  in do_splice()  local
1352 	opipe = get_pipe_info(out);  in do_splice()
1354 	if (ipipe && opipe) {  in do_splice()
1365 		if (ipipe == opipe)  in do_splice()
1368 		return splice_pipe_to_pipe(ipipe, opipe, len, flags);  in do_splice()
1405 	if (opipe) {  in do_splice()
1417 		ret = do_splice_to(in, &offset, opipe, len, flags);  in do_splice()
1791 			       struct pipe_inode_info *opipe,  in splice_pipe_to_pipe()  argument
1804 	ret = opipe_prep(opipe, flags);  in splice_pipe_to_pipe()
1813 	pipe_double_lock(ipipe, opipe);  in splice_pipe_to_pipe()
1816 		if (!opipe->readers) {  in splice_pipe_to_pipe()
1830 		if (!ipipe->nrbufs || opipe->nrbufs >= opipe->buffers) {  in splice_pipe_to_pipe()
1846 			pipe_unlock(opipe);  in splice_pipe_to_pipe()
1851 		nbuf = (opipe->curbuf + opipe->nrbufs) & (opipe->buffers - 1);  in splice_pipe_to_pipe()
1852 		obuf = opipe->bufs + nbuf;  in splice_pipe_to_pipe()
1860 			opipe->nrbufs++;  in splice_pipe_to_pipe()
1879 			opipe->nrbufs++;  in splice_pipe_to_pipe()
1888 	pipe_unlock(opipe);  in splice_pipe_to_pipe()
1894 		wakeup_pipe_readers(opipe);  in splice_pipe_to_pipe()
1906 		     struct pipe_inode_info *opipe,  in link_pipe()  argument
1917 	pipe_double_lock(ipipe, opipe);  in link_pipe()
1920 		if (!opipe->readers) {  in link_pipe()
1931 		if (i >= ipipe->nrbufs || opipe->nrbufs >= opipe->buffers)  in link_pipe()
1935 		nbuf = (opipe->curbuf + opipe->nrbufs) & (opipe->buffers - 1);  in link_pipe()
1943 		obuf = opipe->bufs + nbuf;  in link_pipe()
1955 		opipe->nrbufs++;  in link_pipe()
1969 	pipe_unlock(opipe);  in link_pipe()
1975 		wakeup_pipe_readers(opipe);  in link_pipe()
1990 	struct pipe_inode_info *opipe = get_pipe_info(out);  in do_tee()  local
1997 	if (ipipe && opipe && ipipe != opipe) {  in do_tee()
2004 			ret = opipe_prep(opipe, flags);  in do_tee()
2006 				ret = link_pipe(ipipe, opipe, len, flags);  in do_tee()