From 7cb2815a15ea3191274ebef11243a18182e014d8 Mon Sep 17 00:00:00 2001
From: NeilBrown <neilb@suse.de>
Date: Thu, 16 Jul 2015 08:02:52 +1000
Subject: [PATCH] tests: add 19raid6check

This checks that raid6check finds no errors in newly created array
with all different layouts.
(it doesn't...)

Signed-off-by: NeilBrown <neilb@suse.de>
---
 tests/19raid6check | 27 +++++++++++++++++++++++++++
 1 file changed, 27 insertions(+)
 create mode 100644 tests/19raid6check

diff --git a/tests/19raid6check b/tests/19raid6check
new file mode 100644
index 0000000..67958c6
--- /dev/null
+++ b/tests/19raid6check
@@ -0,0 +1,27 @@
+#
+# Confirm that raid6check handles all RAID6 layouts.
+# Try both 4 and 5 devices.
+
+layouts='ls rs la ra'
+lv=`uname -r`
+if expr $lv '>=' 2.6.30 > /dev/null
+then
+  layouts="$layouts parity-first ddf-zero-restart ddf-N-restart ddf-N-continue \
+	left-asymmetric-6 right-asymmetric-6 left-symmetric-6 right-symmetric-6 parity-first-6"
+fi
+
+for layout in $layouts
+do
+ for devs in 4 5
+ do
+  dl="$dev0 $dev1 $dev2 $dev3"
+  if [ $devs = 5 ]; then dl="$dl $dev4"; fi
+
+  mdadm -CR $md0 -l6 --layout $layout -n$devs $dl
+  check wait
+  tar cf - /etc > $md0
+  ./raid6check $md0 0 0 | grep 'Error detected' && exit 1
+  mdadm -S $md0
+ done
+done
+