From: Guoqing Jiang <gqjiang@suse.com>
Date: Fri, 12 Aug 2016 05:42:38 +0000 (+0800)
Subject: md-cluster: clean related infos of cluster
X-Git-Url: http://drtracing.org/?a=commitdiff_plain;h=a7b0f1d51cd8928a6575e5a4f15d85bc46070919;p=deliverable%2Flinux.git

md-cluster: clean related infos of cluster

cluster_info and bitmap_info.nodes also need to be
cleared when array is stopped.

Reviewed-by: NeilBrown <neilb@suse.com>
Signed-off-by: Guoqing Jiang <gqjiang@suse.com>
Signed-off-by: Shaohua Li <shli@fb.com>
---

diff --git a/drivers/md/md.c b/drivers/md/md.c
index b6ad04b58766..cd6797b3cdf7 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -5454,12 +5454,14 @@ static void md_clean(struct mddev *mddev)
 	mddev->degraded = 0;
 	mddev->safemode = 0;
 	mddev->private = NULL;
+	mddev->cluster_info = NULL;
 	mddev->bitmap_info.offset = 0;
 	mddev->bitmap_info.default_offset = 0;
 	mddev->bitmap_info.default_space = 0;
 	mddev->bitmap_info.chunksize = 0;
 	mddev->bitmap_info.daemon_sleep = 0;
 	mddev->bitmap_info.max_write_behind = 0;
+	mddev->bitmap_info.nodes = 0;
 }
 
 static void __md_stop_writes(struct mddev *mddev)