diff options
Diffstat (limited to 'crypto/async_tx/raid6test.c')
| -rw-r--r-- | crypto/async_tx/raid6test.c | 21 |
1 files changed, 13 insertions, 8 deletions
diff --git a/crypto/async_tx/raid6test.c b/crypto/async_tx/raid6test.c index c1321935ebc..dad95f45b88 100644 --- a/crypto/async_tx/raid6test.c +++ b/crypto/async_tx/raid6test.c @@ -21,12 +21,14 @@ */ #include <linux/async_tx.h> #include <linux/gfp.h> +#include <linux/mm.h> #include <linux/random.h> +#include <linux/module.h> #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]; @@ -44,15 +46,10 @@ static void callback(void *param) static void makedata(int disks) { - int i, j; + int i; for (i = 0; i < disks; i++) { - for (j = 0; j < PAGE_SIZE/sizeof(u32); j += sizeof(u32)) { - u32 *p = page_address(data[i]) + j; - - *p = random32(); - } - + prandom_bytes(page_address(data[i]), PAGE_SIZE); dataptrs[i] = data[i]; } } @@ -222,6 +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"); |