1220 			       struct pipe_inode_info *opipe,
1224 			 struct pipe_inode_info *opipe,  in splice_file_to_pipe()  argument
1230 	pipe_lock(opipe);  in splice_file_to_pipe()
1231 	ret = wait_for_space(opipe, flags);  in splice_file_to_pipe()
1233 		ret = vfs_splice_read(in, offset, opipe, len, flags);  in splice_file_to_pipe()
1234 	pipe_unlock(opipe);  in splice_file_to_pipe()
1236 		wakeup_pipe_readers(opipe);  in splice_file_to_pipe()
1247 	struct pipe_inode_info *opipe;  in do_splice()  local
1256 	opipe = get_pipe_info(out, true);  in do_splice()
1258 	if (ipipe && opipe) {  in do_splice()
1263 		if (ipipe == opipe)  in do_splice()
1269 		ret = splice_pipe_to_pipe(ipipe, opipe, len, flags);  in do_splice()
1299 	} else if (opipe) {  in do_splice()
1313 		ret = splice_file_to_pipe(in, opipe, &offset, len, flags);  in do_splice()
1341 	struct pipe_inode_info *opipe;  in __do_splice()  local
1346 	opipe = get_pipe_info(out, true);  in __do_splice()
1353 	if (opipe) {  in __do_splice()
1674 			       struct pipe_inode_info *opipe,  in splice_pipe_to_pipe()  argument
1690 	ret = opipe_prep(opipe, flags);  in splice_pipe_to_pipe()
1699 	pipe_double_lock(ipipe, opipe);  in splice_pipe_to_pipe()
1703 	o_head = opipe->head;  in splice_pipe_to_pipe()
1704 	o_mask = opipe->ring_size - 1;  in splice_pipe_to_pipe()
1709 		if (!opipe->readers) {  in splice_pipe_to_pipe()
1717 		o_tail = opipe->tail;  in splice_pipe_to_pipe()
1727 		    pipe_full(o_head, o_tail, opipe->max_usage)) {  in splice_pipe_to_pipe()
1743 			pipe_unlock(opipe);  in splice_pipe_to_pipe()
1748 		obuf = &opipe->bufs[o_head & o_mask];  in splice_pipe_to_pipe()
1761 			opipe->head = o_head;  in splice_pipe_to_pipe()
1786 			opipe->head = o_head;  in splice_pipe_to_pipe()
1793 	pipe_unlock(opipe);  in splice_pipe_to_pipe()
1799 		wakeup_pipe_readers(opipe);  in splice_pipe_to_pipe()
1811 		     struct pipe_inode_info *opipe,  in link_pipe()  argument
1825 	pipe_double_lock(ipipe, opipe);  in link_pipe()
1829 	o_head = opipe->head;  in link_pipe()
1830 	o_mask = opipe->ring_size - 1;  in link_pipe()
1833 		if (!opipe->readers) {  in link_pipe()
1841 		o_tail = opipe->tail;  in link_pipe()
1848 		    pipe_full(o_head, o_tail, opipe->max_usage))  in link_pipe()
1852 		obuf = &opipe->bufs[o_head & o_mask];  in link_pipe()
1879 		opipe->head = o_head;  in link_pipe()
1884 	pipe_unlock(opipe);  in link_pipe()
1890 		wakeup_pipe_readers(opipe);  in link_pipe()
1904 	struct pipe_inode_info *opipe = get_pipe_info(out, true);  in do_tee()  local
1915 	if (ipipe && opipe && ipipe != opipe) {  in do_tee()
1925 			ret = opipe_prep(opipe, flags);  in do_tee()
1927 				ret = link_pipe(ipipe, opipe, len, flags);  in do_tee()