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md: notify level changes through sysfs.

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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>
This commit is contained in:
Maciej Trela 2010-04-14 17:17:39 +10:00 committed by NeilBrown
parent 233fca36bb
commit 5cac7861b2
1 changed files with 1 additions and 0 deletions
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drivers/md/md.c
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@ -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;
}