From: Dan Williams <dan.j.williams@intel.com>
Date: Sun, 2 May 2010 01:14:57 +0000 (-0700)
Subject: md: notify mdstat waiters of level change
X-Git-Tag: v2.6.35-rc1~440^2~13
X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=commitdiff_plain;h=bb7f8d2217d8753ab5008c78f16697d9e697d570;p=linux.git

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 af0780ae56b5..69f659e46aa6 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;
 }