drbd: Send PROTOCOL_UPDATE packets when appropriate

Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
diff --git a/drivers/block/drbd/drbd_int.h b/drivers/block/drbd/drbd_int.h
index 75b26d8..c301973 100644
--- a/drivers/block/drbd/drbd_int.h
+++ b/drivers/block/drbd/drbd_int.h
@@ -1051,7 +1051,7 @@
 extern int drbd_send_all(struct drbd_tconn *, struct socket *, void *, size_t,
 			 unsigned);
 
-extern int __drbd_send_protocol(struct drbd_tconn *tconn);
+extern int __drbd_send_protocol(struct drbd_tconn *tconn, enum drbd_packet cmd);
 extern int drbd_send_protocol(struct drbd_tconn *tconn);
 extern int drbd_send_uuids(struct drbd_conf *mdev);
 extern int drbd_send_uuids_skip_initial_sync(struct drbd_conf *mdev);