254 	was_full = pipe_full(pipe->head, pipe->tail, pipe->max_usage);  in pipe_read()
382 		was_full = pipe_full(pipe->head, pipe->tail, pipe->max_usage);  in pipe_read()
409 	unsigned int max_usage = READ_ONCE(pipe->max_usage);  in pipe_writable()  local
411 	return !pipe_full(head, tail, max_usage) ||  in pipe_writable()
489 		if (!pipe_full(head, pipe->tail, pipe->max_usage)) {  in pipe_write()
512 			if (pipe_full(head, pipe->tail, pipe->max_usage)) {  in pipe_write()
546 		if (!pipe_full(head, pipe->tail, pipe->max_usage))  in pipe_write()
577 	if (pipe_full(pipe->head, pipe->tail, pipe->max_usage))  in pipe_write()
686 		if (!pipe_full(head, tail, pipe->max_usage))  in pipe_poll()
814 		pipe->max_usage = pipe_bufs;  in alloc_pipe_info()
1301 	if (pipe->max_usage > nr_slots)  in pipe_resize_ring()
1302 		pipe->max_usage = nr_slots;  in pipe_resize_ring()
1341 	if (nr_slots > pipe->max_usage &&  in pipe_set_size()
1347 	if (nr_slots > pipe->max_usage &&  in pipe_set_size()
1359 	pipe->max_usage = nr_slots;  in pipe_set_size()
1361 	return pipe->max_usage * PAGE_SIZE;  in pipe_set_size()
1401 		ret = pipe->max_usage * PAGE_SIZE;  in pipe_fcntl()