253 	was_full = pipe_full(pipe->head, pipe->tail, pipe->max_usage);  in pipe_read()
381 		was_full = pipe_full(pipe->head, pipe->tail, pipe->max_usage);  in pipe_read()
408 	unsigned int max_usage = READ_ONCE(pipe->max_usage);  in pipe_writable()  local
410 	return !pipe_full(head, tail, max_usage) ||  in pipe_writable()
488 		if (!pipe_full(head, pipe->tail, pipe->max_usage)) {  in pipe_write()
511 			if (pipe_full(head, pipe->tail, pipe->max_usage)) {  in pipe_write()
545 		if (!pipe_full(head, pipe->tail, pipe->max_usage))  in pipe_write()
576 	if (pipe_full(pipe->head, pipe->tail, pipe->max_usage))  in pipe_write()
685 		if (!pipe_full(head, tail, pipe->max_usage))  in pipe_poll()
813 		pipe->max_usage = pipe_bufs;  in alloc_pipe_info()
1300 	if (pipe->max_usage > nr_slots)  in pipe_resize_ring()
1301 		pipe->max_usage = nr_slots;  in pipe_resize_ring()
1340 	if (nr_slots > pipe->max_usage &&  in pipe_set_size()
1346 	if (nr_slots > pipe->max_usage &&  in pipe_set_size()
1358 	pipe->max_usage = nr_slots;  in pipe_set_size()
1360 	return pipe->max_usage * PAGE_SIZE;  in pipe_set_size()
1401 		ret = pipe->max_usage * PAGE_SIZE;  in pipe_fcntl()