mdadm/0210-mdadm-allow-clustered-raid10-to-be-created-with-defa.patch

From 18160d345536b88419785c5e408cce402d9db2ae Mon Sep 17 00:00:00 2001
From: Guoqing Jiang <gqjiang@suse.com>
Date: Wed, 3 Jan 2018 15:01:22 +0800
Subject: [PATCH] mdadm: allow clustered raid10 to be created with default
 layout
Git-commit: 18160d345536b88419785c5e408cce402d9db2ae
Patch-mainline: mdadm-4.0+
References: bsc#1083881

Since the default layout of raid10 is n2, so we
should allow the behavior.

Signed-off-by: Guoqing Jiang <gqjiang@suse.com>
Signed-off-by: Jes Sorensen <jsorensen@fb.com>
---
 mdadm.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mdadm.c b/mdadm.c
index 62d7ec34a17f..afc3015144d3 100644
--- a/mdadm.c
+++ b/mdadm.c
@@ -1547,7 +1547,7 @@ int main(int argc, char *argv[])
 				rv = 1;
 				break;
 			}
-			if (s.level == 10 && !is_near_layout_10(s.layout)) {
+			if (s.level == 10 && !(is_near_layout_10(s.layout) || s.layout == UnSet)) {
 				pr_err("only near layout is supported with clustered raid10\n");
 				rv = 1;
 				break;
-- 
2.10.0