From: Guoqing Jiang <gqjiang@suse.com>
Date: Wed, 3 Jan 2018 07:01:22 +0000 (+0800)
Subject: mdadm: allow clustered raid10 to be created with default layout
X-Git-Tag: mdadm-4.1-rc1~42
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=18160d345536b88419785c5e408cce402d9db2ae;p=thirdparty%2Fmdadm.git

mdadm: allow clustered raid10 to be created with default layout

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>
---

diff --git a/mdadm.c b/mdadm.c
index 62d7ec34..afc30151 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;