mdadm: fix tests/02lineargrow

Backport patch [1] to fix tests/02lineargrow.

[1] https://git.kernel.org/pub/scm/utils/mdadm/mdadm.git/commit/?id=a2c832465fc75202e244327b2081231dfa974617

(From OE-Core rev: 4f7175b9af3f4407f6dfa1e1eb18b2c3d3a72c88)

Signed-off-by: Mingli Yu <mingli.yu@windriver.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

2 files changed, 34 insertions, 0 deletions

diff --git a/meta/recipes-extended/mdadm/files/0001-tests-02lineargrow-clear-the-superblock-at-every-ite.patch b/meta/recipes-extended/mdadm/files/0001-tests-02lineargrow-clear-the-superblock-at-every-ite.patch
new file mode 100644
index 0000000000..1a7104b76d
--- /dev/null
+++ b/meta/recipes-extended/mdadm/files/0001-tests-02lineargrow-clear-the-superblock-at-every-ite.patch
@@ -0,0 +1,33 @@
+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 $md0
++  mdadm --zero /dev/loop2
++  mdadm --zero /dev/loop3
+ done
+-- 
+2.25.1
+
diff --git a/meta/recipes-extended/mdadm/mdadm_4.2.bb b/meta/recipes-extended/mdadm/mdadm_4.2.bb
index cef9e18843..b5fbc5b18e 100644
--- a/meta/recipes-extended/mdadm/mdadm_4.2.bb
+++ b/meta/recipes-extended/mdadm/mdadm_4.2.bb
@@ -27,6 +27,7 @@ SRC_URI = "${KERNELORG_MIRROR}/linux/utils/raid/mdadm/${BPN}-${PV}.tar.xz \
            file://0001-restripe.c-Use-_FILE_OFFSET_BITS-to-enable-largefile.patch \
            file://0001-Define-alignof-using-_Alignof-when-using-C11-or-newe.patch \
            file://0001-mdadm-Fix-optional-write-behind-parameter.patch \
+           file://0001-tests-02lineargrow-clear-the-superblock-at-every-ite.patch \
            "
 
 SRC_URI[sha256sum] = "461c215670864bb74a4d1a3620684aa2b2f8296dffa06743f26dda5557acf01d"