diff --git a/drivers/md/md.c b/drivers/md/md.c
index 8273ac5eef06..50587938fddd 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -354,10 +354,11 @@ static bool create_on_open = true;
  */
 static DECLARE_WAIT_QUEUE_HEAD(md_event_waiters);
 static atomic_t md_event_count;
-void md_new_event(void)
+void md_new_event(struct mddev *mddev)
 {
 	atomic_inc(&md_event_count);
 	wake_up(&md_event_waiters);
+	kobject_uevent(&disk_to_dev(mddev->gendisk)->kobj, KOBJ_CHANGE);
 }
 EXPORT_SYMBOL_GPL(md_new_event);
 
@@ -2878,7 +2879,7 @@ static int add_bound_rdev(struct md_rdev *rdev)
 	if (mddev->degraded)
 		set_bit(MD_RECOVERY_RECOVER, &mddev->recovery);
 	set_bit(MD_RECOVERY_NEEDED, &mddev->recovery);
-	md_new_event();
+	md_new_event(mddev);
 	md_wakeup_thread(mddev->thread);
 	return 0;
 }
@@ -2998,7 +2999,7 @@ state_store(struct md_rdev *rdev, const char *buf, size_t len)
 					set_bit(MD_SB_CHANGE_DEVS, &mddev->sb_flags);
 					md_wakeup_thread(mddev->thread);
 				}
-				md_new_event();
+				md_new_event(mddev);
 			}
 		}
 	} else if (cmd_match(buf, "writemostly")) {
@@ -4100,7 +4101,7 @@ level_store(struct mddev *mddev, const char *buf, size_t len)
 	if (!mddev->thread)
 		md_update_sb(mddev, 1);
 	sysfs_notify_dirent_safe(mddev->sysfs_level);
-	md_new_event();
+	md_new_event(mddev);
 	rv = len;
 out_unlock:
 	mddev_unlock(mddev);
@@ -4620,7 +4621,7 @@ new_dev_store(struct mddev *mddev, const char *buf, size_t len)
 		export_rdev(rdev);
 	mddev_unlock(mddev);
 	if (!err)
-		md_new_event();
+		md_new_event(mddev);
 	return err ? err : len;
 }
 
@@ -6031,7 +6032,7 @@ int md_run(struct mddev *mddev)
 	if (mddev->sb_flags)
 		md_update_sb(mddev, 0);
 
-	md_new_event();
+	md_new_event(mddev);
 	return 0;
 
 bitmap_abort:
@@ -6417,7 +6418,7 @@ static int do_md_stop(struct mddev *mddev, int mode,
 		if (mddev->hold_active == UNTIL_STOP)
 			mddev->hold_active = 0;
 	}
-	md_new_event();
+	md_new_event(mddev);
 	sysfs_notify_dirent_safe(mddev->sysfs_state);
 	return 0;
 }
@@ -6917,7 +6918,7 @@ static int hot_remove_disk(struct mddev *mddev, dev_t dev)
 		md_wakeup_thread(mddev->thread);
 	else
 		md_update_sb(mddev, 1);
-	md_new_event();
+	md_new_event(mddev);
 
 	return 0;
 busy:
@@ -6998,7 +6999,7 @@ static int hot_add_disk(struct mddev *mddev, dev_t dev)
 	 */
 	set_bit(MD_RECOVERY_NEEDED, &mddev->recovery);
 	md_wakeup_thread(mddev->thread);
-	md_new_event();
+	md_new_event(mddev);
 	return 0;
 
 abort_export:
@@ -7980,7 +7981,7 @@ void md_error(struct mddev *mddev, struct md_rdev *rdev)
 	}
 	if (mddev->event_work.func)
 		queue_work(md_misc_wq, &mddev->event_work);
-	md_new_event();
+	md_new_event(mddev);
 }
 EXPORT_SYMBOL(md_error);
 
@@ -8879,7 +8880,7 @@ void md_do_sync(struct md_thread *thread)
 		mddev->curr_resync = 3; /* no longer delayed */
 	mddev->curr_resync_completed = j;
 	sysfs_notify_dirent_safe(mddev->sysfs_completed);
-	md_new_event();
+	md_new_event(mddev);
 	update_time = jiffies;
 
 	blk_start_plug(&plug);
@@ -8950,7 +8951,7 @@ void md_do_sync(struct md_thread *thread)
 			/* this is the earliest that rebuild will be
 			 * visible in /proc/mdstat
 			 */
-			md_new_event();
+			md_new_event(mddev);
 
 		if (last_check + window > io_sectors || j == max_sectors)
 			continue;
@@ -9174,7 +9175,7 @@ static int remove_and_add_spares(struct mddev *mddev,
 			sysfs_link_rdev(mddev, rdev);
 			if (!test_bit(Journal, &rdev->flags))
 				spares++;
-			md_new_event();
+			md_new_event(mddev);
 			set_bit(MD_SB_CHANGE_DEVS, &mddev->sb_flags);
 		}
 	}
@@ -9208,7 +9209,7 @@ static void md_start_sync(struct work_struct *ws)
 	} else
 		md_wakeup_thread(mddev->sync_thread);
 	sysfs_notify_dirent_safe(mddev->sysfs_action);
-	md_new_event();
+	md_new_event(mddev);
 }
 
 /*
@@ -9471,7 +9472,7 @@ void md_reap_sync_thread(struct mddev *mddev, bool reconfig_mutex_held)
 	/* flag recovery needed just to double check */
 	set_bit(MD_RECOVERY_NEEDED, &mddev->recovery);
 	sysfs_notify_dirent_safe(mddev->sysfs_action);
-	md_new_event();
+	md_new_event(mddev);
 	if (mddev->event_work.func)
 		queue_work(md_misc_wq, &mddev->event_work);
 }
diff --git a/drivers/md/md.h b/drivers/md/md.h
index 5f62c46ac2d3..eb401835d29c 100644
--- a/drivers/md/md.h
+++ b/drivers/md/md.h
@@ -741,7 +741,7 @@ extern int sync_page_io(struct md_rdev *rdev, sector_t sector, int size,
 			struct page *page, int op, int op_flags,
 			bool metadata_op);
 extern void md_do_sync(struct md_thread *thread);
-extern void md_new_event(void);
+extern void md_new_event(struct mddev *mddev);
 extern void md_allow_write(struct mddev *mddev);
 extern void md_wait_for_blocked_rdev(struct md_rdev *rdev, struct mddev *mddev);
 extern void md_set_array_sectors(struct mddev *mddev, sector_t array_sectors);
diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c
index d589f823feb1..4dbf1fff8852 100644
--- a/drivers/md/raid10.c
+++ b/drivers/md/raid10.c
@@ -4653,7 +4653,7 @@ static int raid10_start_reshape(struct mddev *mddev)
 	}
 	conf->reshape_checkpoint = jiffies;
 	md_wakeup_thread(mddev->sync_thread);
-	md_new_event();
+	md_new_event(mddev);
 	return 0;
 
 abort:
diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c
index 5d09256d7f81..7fafb5bcf3db 100644
--- a/drivers/md/raid5.c
+++ b/drivers/md/raid5.c
@@ -8335,7 +8335,7 @@ static int raid5_start_reshape(struct mddev *mddev)
 	}
 	conf->reshape_checkpoint = jiffies;
 	md_wakeup_thread(mddev->sync_thread);
-	md_new_event();
+	md_new_event(mddev);
 	return 0;
 }
 
