From bb7f8d2217d8753ab5008c78f16697d9e697d570 Mon Sep 17 00:00:00 2001
From: Dan Williams <dan.j.williams@intel.com>
Date: Sat, 1 May 2010 18:14:57 -0700
Subject: md: notify mdstat waiters of level change

Level modifications change the output of mdstat.  The mdmon manager
thread is interested in these events for external metadata management.

Signed-off-by: Dan Williams <dan.j.williams@intel.com>

diff --git a/drivers/md/md.c b/drivers/md/md.c
index af0780a..69f659e 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -3075,6 +3075,7 @@ level_store(mddev_t *mddev, const char *buf, size_t len)
 	set_bit(MD_RECOVERY_NEEDED, &mddev->recovery);
 	md_wakeup_thread(mddev->thread);
 	sysfs_notify(&mddev->kobj, NULL, "level");
+	md_new_event(mddev);
 	return rv;
 }
 
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