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-rw-r--r--crypto/async_tx/raid6test.c10
1 files changed, 9 insertions, 1 deletions
diff --git a/crypto/async_tx/raid6test.c b/crypto/async_tx/raid6test.c
index 4a92bac744d..dad95f45b88 100644
--- a/crypto/async_tx/raid6test.c
+++ b/crypto/async_tx/raid6test.c
@@ -28,7 +28,7 @@
#undef pr
#define pr(fmt, args...) pr_info("raid6test: " fmt, ##args)
-#define NDISKS 16 /* Including P and Q */
+#define NDISKS 64 /* Including P and Q */
static struct page *dataptrs[NDISKS];
static addr_conv_t addr_conv[NDISKS];
@@ -219,6 +219,14 @@ static int raid6_test(void)
err += test(11, &tests);
err += test(12, &tests);
}
+
+ /* the 24 disk case is special for ioatdma as it is the boudary point
+ * at which it needs to switch from 8-source ops to 16-source
+ * ops for continuation (assumes DMA_HAS_PQ_CONTINUE is not set)
+ */
+ if (NDISKS > 24)
+ err += test(24, &tests);
+
err += test(NDISKS, &tests);
pr("\n");