drbd: rename drbd_restart_write to drbd_restart_request

Meanwhile, this is used to restart failed READ requests as well.
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>

drivers/block/drbd/drbd_main.c

@@ -2434,7 +2434,7 @@ static void do_retry(struct work_struct *ws)
 	}
 }
 
-void drbd_restart_write(struct drbd_request *req)
+void drbd_restart_request(struct drbd_request *req)
 {
 	unsigned long flags;
 	spin_lock_irqsave(&retry.lock, flags);

drivers/block/drbd/drbd_req.c

@@ -144,7 +144,7 @@ static void _req_is_done(struct drbd_conf *mdev, struct drbd_request *req, const
 	}
 
 	if (s & RQ_POSTPONED)
-		drbd_restart_write(req);
+		drbd_restart_request(req);
 	else
 		drbd_req_free(req);
 }

drivers/block/drbd/drbd_req.h

@@ -269,7 +269,7 @@ extern void tl_restart(struct drbd_tconn *tconn, enum drbd_req_event what);
 extern void _tl_restart(struct drbd_tconn *tconn, enum drbd_req_event what);
 
 /* this is in drbd_main.c */
-extern void drbd_restart_write(struct drbd_request *req);
+extern void drbd_restart_request(struct drbd_request *req);
 
 /* use this if you don't want to deal with calling complete_master_bio()
  * outside the spinlock, e.g. when walking some list on cleanup. */