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-rw-r--r--drivers/md/md.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/md/md.c b/drivers/md/md.c
index 29297e97cdea..f77cad854044 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -3938,6 +3938,8 @@ array_state_store(struct mddev *mddev, const char *buf, size_t len)
} else
err = -EBUSY;
}
+ if (!err)
+ sysfs_notify_dirent_safe(mddev->sysfs_state);
spin_unlock(&mddev->lock);
return err ?: len;
}