eventpoll: switch to ->poll_mask

Signed-off-by: Ben Noordhuis <info@bnoordhuis.nl>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

fs/eventpoll.c

@@ -922,14 +922,18 @@ static __poll_t ep_read_events_proc(struct eventpoll *ep, struct list_head *head
 	return 0;
 }
 
-static __poll_t ep_eventpoll_poll(struct file *file, poll_table *wait)
+static struct wait_queue_head *ep_eventpoll_get_poll_head(struct file *file,
+		__poll_t eventmask)
+{
+	struct eventpoll *ep = file->private_data;
+	return &ep->poll_wait;
+}
+
+static __poll_t ep_eventpoll_poll_mask(struct file *file, __poll_t eventmask)
 {
 	struct eventpoll *ep = file->private_data;
 	int depth = 0;
 
-	/* Insert inside our poll wait queue */
-	poll_wait(file, &ep->poll_wait, wait);
-
 	/*
 	 * Proceed to find out if wanted events are really available inside
 	 * the ready list.
@@ -968,7 +972,8 @@ static const struct file_operations eventpoll_fops = {
 	.show_fdinfo	= ep_show_fdinfo,
 #endif
 	.release	= ep_eventpoll_release,
-	.poll		= ep_eventpoll_poll,
+	.get_poll_head	= ep_eventpoll_get_poll_head,
+	.poll_mask	= ep_eventpoll_poll_mask,
 	.llseek		= noop_llseek,
 };