From e02a0e47a3f061c1a53fc4376332a988ec047e8a Mon Sep 17 00:00:00 2001
From: Dan Williams <dan.j.williams@intel.com>
Date: Thu, 17 Dec 2009 13:55:38 -0700
Subject: [PATCH] async_tx: expand async raid6 test to cover ioatdma corner
case
Add explicit 11 and 12 disks cases to exercise the 0 < src_cnt % 8 < 3
corner case in the ioatdma driver.
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
---
crypto/async_tx/raid6test.c | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/crypto/async_tx/raid6test.c b/crypto/async_tx/raid6test.c
index 3ec27c7e62ea..f84f6b4301d9 100644
--- a/crypto/async_tx/raid6test.c
+++ b/crypto/async_tx/raid6test.c
@@ -214,6 +214,13 @@ static int raid6_test(void)
err += test(4, &tests);
if (NDISKS > 5)
err += test(5, &tests);
+ /* the 11 and 12 disk cases are special for ioatdma (p-disabled
+ * q-continuation without extended descriptor)
+ */
+ if (NDISKS > 12) {
+ err += test(11, &tests);
+ err += test(12, &tests);
+ }
err += test(NDISKS, &tests);
pr("\n");
--
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