md: remove unused mddev argument from export_rdev

The mddev argument in export_rdev() is never used. Remove it to
simplify callers.

Signed-off-by: Chen Cheng <[email protected]>
Reviewed-by: Paul Menzel <[email protected]>
Link: https://lore.kernel.org/linux-raid/[email protected]/
Signed-off-by: Yu Kuai <[email protected]>

Author: chencheng-fnnas

drivers/md/md.c

@@ -98,7 +98,7 @@ static struct workqueue_struct *md_misc_wq;
 static int remove_and_add_spares(struct mddev *mddev,
 				 struct md_rdev *this);
 static void mddev_detach(struct mddev *mddev);
-static void export_rdev(struct md_rdev *rdev, struct mddev *mddev);
+static void export_rdev(struct md_rdev *rdev);
 static void md_wakeup_thread_directly(struct md_thread __rcu **thread);
 
 /*
@@ -959,7 +959,7 @@ void mddev_unlock(struct mddev *mddev)
 	list_for_each_entry_safe(rdev, tmp, &delete, same_set) {
 		list_del_init(&rdev->same_set);
 		kobject_del(&rdev->kobj);
-		export_rdev(rdev, mddev);
+		export_rdev(rdev);
 	}
 
 	if (!legacy_async_del_gendisk) {
@@ -2632,7 +2632,7 @@ void md_autodetect_dev(dev_t dev);
 /* just for claiming the bdev */
 static struct md_rdev claim_rdev;
 
-static void export_rdev(struct md_rdev *rdev, struct mddev *mddev)
+static void export_rdev(struct md_rdev *rdev)
 {
 	pr_debug("md: export_rdev(%pg)\n", rdev->bdev);
 	md_rdev_clear(rdev);
@@ -4850,7 +4850,7 @@ new_dev_store(struct mddev *mddev, const char *buf, size_t len)
 	err = bind_rdev_to_array(rdev, mddev);
  out:
 	if (err)
-		export_rdev(rdev, mddev);
+		export_rdev(rdev);
 	mddev_unlock_and_resume(mddev);
 	if (!err)
 		md_new_event();
@@ -7142,7 +7142,7 @@ static void autorun_devices(int part)
 			rdev_for_each_list(rdev, tmp, &candidates) {
 				list_del_init(&rdev->same_set);
 				if (bind_rdev_to_array(rdev, mddev))
-					export_rdev(rdev, mddev);
+					export_rdev(rdev);
 			}
 			autorun_array(mddev);
 			mddev_unlock_and_resume(mddev);
@@ -7152,7 +7152,7 @@ static void autorun_devices(int part)
 		 */
 		rdev_for_each_list(rdev, tmp, &candidates) {
 			list_del_init(&rdev->same_set);
-			export_rdev(rdev, mddev);
+			export_rdev(rdev);
 		}
 		mddev_put(mddev);
 	}
@@ -7340,13 +7340,13 @@ int md_add_new_disk(struct mddev *mddev, struct mdu_disk_info_s *info)
 				pr_warn("md: %pg has different UUID to %pg\n",
 					rdev->bdev,
 					rdev0->bdev);
-				export_rdev(rdev, mddev);
+				export_rdev(rdev);
 				return -EINVAL;
 			}
 		}
 		err = bind_rdev_to_array(rdev, mddev);
 		if (err)
-			export_rdev(rdev, mddev);
+			export_rdev(rdev);
 		return err;
 	}
 
@@ -7389,7 +7389,7 @@ int md_add_new_disk(struct mddev *mddev, struct mdu_disk_info_s *info)
 			/* This was a hot-add request, but events doesn't
 			 * match, so reject it.
 			 */
-			export_rdev(rdev, mddev);
+			export_rdev(rdev);
 			return -EINVAL;
 		}
 
@@ -7415,7 +7415,7 @@ int md_add_new_disk(struct mddev *mddev, struct mdu_disk_info_s *info)
 				}
 			}
 			if (has_journal || mddev->bitmap) {
-				export_rdev(rdev, mddev);
+				export_rdev(rdev);
 				return -EBUSY;
 			}
 			set_bit(Journal, &rdev->flags);
@@ -7430,7 +7430,7 @@ int md_add_new_disk(struct mddev *mddev, struct mdu_disk_info_s *info)
 				/* --add initiated by this node */
 				err = mddev->cluster_ops->add_new_disk(mddev, rdev);
 				if (err) {
-					export_rdev(rdev, mddev);
+					export_rdev(rdev);
 					return err;
 				}
 			}
@@ -7440,7 +7440,7 @@ int md_add_new_disk(struct mddev *mddev, struct mdu_disk_info_s *info)
 		err = bind_rdev_to_array(rdev, mddev);
 
 		if (err)
-			export_rdev(rdev, mddev);
+			export_rdev(rdev);
 
 		if (mddev_is_clustered(mddev)) {
 			if (info->state & (1 << MD_DISK_CANDIDATE)) {
@@ -7503,7 +7503,7 @@ int md_add_new_disk(struct mddev *mddev, struct mdu_disk_info_s *info)
 
 		err = bind_rdev_to_array(rdev, mddev);
 		if (err) {
-			export_rdev(rdev, mddev);
+			export_rdev(rdev);
 			return err;
 		}
 	}
@@ -7615,7 +7615,7 @@ static int hot_add_disk(struct mddev *mddev, dev_t dev)
 	return 0;
 
 abort_export:
-	export_rdev(rdev, mddev);
+	export_rdev(rdev);
 	return err;
 }