From a2c832465fc75202e244327b2081231dfa974617 Mon Sep 17 00:00:00 2001
From: Sudhakar Panneerselvam <sudhakar.panneerselvam@oracle.com>
Date: Wed, 22 Jun 2022 14:25:16 -0600
Subject: [PATCH] tests/02lineargrow: clear the superblock at every iteration

This fixes 02lineargrow test as prior metadata causes --add operation
to misbehave.

Upstream-Status: Backport [https://git.kernel.org/pub/scm/utils/mdadm/mdadm.git/commit/?id=a2c832465fc75202e244327b2081231dfa974617]

Signed-off-by: Sudhakar Panneerselvam <sudhakar.panneerselvam@oracle.com>
Signed-off-by: Himanshu Madhani <himanshu.madhani@oracle.com>
Signed-off-by: Logan Gunthorpe <logang@deltatee.com>
Signed-off-by: Jes Sorensen <jes@trained-monkey.org>
Signed-off-by: Mingli Yu <mingli.yu@windriver.com>
---
 tests/02lineargrow | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/tests/02lineargrow b/tests/02lineargrow
index e05c219d..595bf9f2 100644
--- a/tests/02lineargrow
+++ b/tests/02lineargrow
@@ -20,4 +20,6 @@ do
   testdev $md0 3 $sz 1
 
   mdadm -S $md0
+  mdadm --zero /dev/loop2
+  mdadm --zero /dev/loop3
 done
-- 
2.25.1