From: Maciej Trela <Maciej.Trela@intel.com>
Date: Wed, 14 Apr 2010 07:17:39 +0000 (+1000)
Subject: md: notify level changes through sysfs.
X-Git-Tag: firefly_0821_release~9833^2~2054^2~30
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=5cac7861b2de95a1f714ebdc652813abd0afcc73;p=firefly-linux-kernel-4.4.55.git

md: notify level changes through sysfs.

Level changes can be very significant, so make sure
to notify them via sysfs.

Signed-off-by: Maciej Trela <maciej.trela@intel.com>
Signed-off-by: NeilBrown <neilb@suse.de>
---

diff --git a/drivers/md/md.c b/drivers/md/md.c
index 46bdf4b38be8..c5a1b0725c9f 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -3059,6 +3059,7 @@ level_store(mddev_t *mddev, const char *buf, size_t len)
 	set_bit(MD_CHANGE_DEVS, &mddev->flags);
 	set_bit(MD_RECOVERY_NEEDED, &mddev->recovery);
 	md_wakeup_thread(mddev->thread);
+	sysfs_notify(&mddev->kobj, NULL, "level");
 	return rv;
 }