47 static void makedata(int disks)  in makedata()  argument
51 	for (i = 0; i < disks; i++) {  in makedata()
57 static char disk_type(int d, int disks)  in disk_type()  argument
59 	if (d == disks - 2)  in disk_type()
61 	else if (d == disks - 1)  in disk_type()
68 static void raid6_dual_recov(int disks, size_t bytes, int faila, int failb, struct page **ptrs)  in raid6_dual_recov()  argument
78 	if (failb == disks-1) {  in raid6_dual_recov()
79 		if (faila == disks-2) {  in raid6_dual_recov()
82 			tx = async_gen_syndrome(ptrs, 0, disks, bytes, &submit);  in raid6_dual_recov()
89 			BUG_ON(disks > NDISKS);  in raid6_dual_recov()
94 			for (i = disks; i-- ; ) {  in raid6_dual_recov()
105 			tx = async_gen_syndrome(ptrs, 0, disks, bytes, &submit);  in raid6_dual_recov()
108 		if (failb == disks-2) {  in raid6_dual_recov()
111 			tx = async_raid6_datap_recov(disks, bytes, faila, ptrs, &submit);  in raid6_dual_recov()
115 			tx = async_raid6_2data_recov(disks, bytes, faila, failb, ptrs, &submit);  in raid6_dual_recov()
120 	tx = async_syndrome_val(ptrs, 0, disks, bytes, &result, spare, &submit);  in raid6_dual_recov()
124 		pr("%s: timeout! (faila: %d failb: %d disks: %d)\n",  in raid6_dual_recov()
125 		   __func__, faila, failb, disks);  in raid6_dual_recov()
132 static int test_disks(int i, int j, int disks)  in test_disks()  argument
142 	raid6_dual_recov(disks, PAGE_SIZE, i, j, dataptrs);  in test_disks()
148 	   __func__, i, j, i, disk_type(i, disks), j, disk_type(j, disks),  in test_disks()
157 static int test(int disks, int *tests)  in test()  argument
165 	recovi = data[disks];  in test()
166 	recovj = data[disks+1];  in test()
167 	spare  = data[disks+2];  in test()
169 	makedata(disks);  in test()
172 	memset(page_address(data[disks-2]), 0xee, PAGE_SIZE);  in test()
173 	memset(page_address(data[disks-1]), 0xee, PAGE_SIZE);  in test()
178 	tx = async_gen_syndrome(dataptrs, 0, disks, PAGE_SIZE, &submit);  in test()
182 		pr("error: initial gen_syndrome(%d) timed out\n", disks);  in test()
186 	pr("testing the %d-disk case...\n", disks);  in test()
187 	for (i = 0; i < disks-1; i++)  in test()
188 		for (j = i+1; j < disks; j++) {  in test()
190 			err += test_disks(i, j, disks);  in test()