2 /* I/O iterator tests.  This can only test kernel-backed iterator types.
79 	int i;  in iov_kunit_load_kvec()  local
81 	for (i = 0; i < kvmax; i++, pr++) {  in iov_kunit_load_kvec()
86 		kvec[i].iov_base = buffer + pr->from;  in iov_kunit_load_kvec()
87 		kvec[i].iov_len = pr->to - pr->from;  in iov_kunit_load_kvec()
92 	iov_iter_kvec(iter, dir, kvec, i, size);  in iov_kunit_load_kvec()
106 	int i, patt;  in iov_kunit_copy_to_kvec()  local
112 	for (i = 0; i < bufsize; i++)  in iov_kunit_copy_to_kvec()
113 		scratch[i] = pattern(i);  in iov_kunit_copy_to_kvec()
132 		for (i = pr->from; i < pr->to; i++)  in iov_kunit_copy_to_kvec()
133 			scratch[i] = pattern(patt++);  in iov_kunit_copy_to_kvec()
136 	for (i = 0; i < bufsize; i++) {  in iov_kunit_copy_to_kvec()
137 		KUNIT_EXPECT_EQ_MSG(test, buffer[i], scratch[i], "at i=%x", i);  in iov_kunit_copy_to_kvec()
138 		if (buffer[i] != scratch[i])  in iov_kunit_copy_to_kvec()
156 	int i, j;  in iov_kunit_copy_from_kvec()  local
162 	for (i = 0; i < bufsize; i++)  in iov_kunit_copy_from_kvec()
163 		buffer[i] = pattern(i);  in iov_kunit_copy_from_kvec()
179 	i = 0;  in iov_kunit_copy_from_kvec()
183 			buffer[i++] = pattern(j);  in iov_kunit_copy_from_kvec()
184 			if (i >= bufsize)  in iov_kunit_copy_from_kvec()
191 	for (i = 0; i < bufsize; i++) {  in iov_kunit_copy_from_kvec()
192 		KUNIT_EXPECT_EQ_MSG(test, scratch[i], buffer[i], "at i=%x", i);  in iov_kunit_copy_from_kvec()
193 		if (scratch[i] != buffer[i])  in iov_kunit_copy_from_kvec()
225 	int i;  in iov_kunit_load_bvec()  local
227 	for (i = 0; i < bvmax; i++, pr++) {  in iov_kunit_load_bvec()
238 			i--;  in iov_kunit_load_bvec()
239 			bvec[i].bv_len += pr->to;  in iov_kunit_load_bvec()
241 			bvec_set_page(&bvec[i], page, pr->to - pr->from, pr->from);  in iov_kunit_load_bvec()
251 	iov_iter_bvec(iter, dir, bvec, i, size);  in iov_kunit_load_bvec()
265 	int i, b, patt;  in iov_kunit_copy_to_bvec()  local
271 	for (i = 0; i < bufsize; i++)  in iov_kunit_copy_to_bvec()
272 		scratch[i] = pattern(i);  in iov_kunit_copy_to_bvec()
294 		for (i = pr->from; i < pr->to; i++)  in iov_kunit_copy_to_bvec()
295 			p[i] = pattern(patt++);  in iov_kunit_copy_to_bvec()
299 	for (i = 0; i < bufsize; i++) {  in iov_kunit_copy_to_bvec()
300 		KUNIT_EXPECT_EQ_MSG(test, buffer[i], scratch[i], "at i=%x", i);  in iov_kunit_copy_to_bvec()
301 		if (buffer[i] != scratch[i])  in iov_kunit_copy_to_bvec()
319 	int i, j;  in iov_kunit_copy_from_bvec()  local
325 	for (i = 0; i < bufsize; i++)  in iov_kunit_copy_from_bvec()
326 		buffer[i] = pattern(i);  in iov_kunit_copy_from_bvec()
342 	i = 0;  in iov_kunit_copy_from_bvec()
348 			buffer[i++] = pattern(patt + j);  in iov_kunit_copy_from_bvec()
349 			if (i >= bufsize)  in iov_kunit_copy_from_bvec()
356 	for (i = 0; i < bufsize; i++) {  in iov_kunit_copy_from_bvec()
357 		KUNIT_EXPECT_EQ_MSG(test, scratch[i], buffer[i], "at i=%x", i);  in iov_kunit_copy_from_bvec()
358 		if (scratch[i] != buffer[i])  in iov_kunit_copy_from_bvec()
379 	int i;  in iov_kunit_load_xarray()  local
381 	for (i = 0; i < npages; i++) {  in iov_kunit_load_xarray()
382 		void *x = xa_store(xarray, i, pages[i], GFP_KERNEL);  in iov_kunit_load_xarray()
412 	int i, patt;  in iov_kunit_copy_to_xarray()  local
420 	for (i = 0; i < bufsize; i++)  in iov_kunit_copy_to_xarray()
421 		scratch[i] = pattern(i);  in iov_kunit_copy_to_xarray()
428 	i = 0;  in iov_kunit_copy_to_xarray()
434 		copied = copy_to_iter(scratch + i, size, &iter);  in iov_kunit_copy_to_xarray()
439 		i += size;  in iov_kunit_copy_to_xarray()
446 		for (i = pr->from; i < pr->to; i++)  in iov_kunit_copy_to_xarray()
447 			scratch[i] = pattern(patt++);  in iov_kunit_copy_to_xarray()
450 	for (i = 0; i < bufsize; i++) {  in iov_kunit_copy_to_xarray()
451 		KUNIT_EXPECT_EQ_MSG(test, buffer[i], scratch[i], "at i=%x", i);  in iov_kunit_copy_to_xarray()
452 		if (buffer[i] != scratch[i])  in iov_kunit_copy_to_xarray()
470 	int i, j;  in iov_kunit_copy_from_xarray()  local
478 	for (i = 0; i < bufsize; i++)  in iov_kunit_copy_from_xarray()
479 		buffer[i] = pattern(i);  in iov_kunit_copy_from_xarray()
486 	i = 0;  in iov_kunit_copy_from_xarray()
492 		copied = copy_from_iter(scratch + i, size, &iter);  in iov_kunit_copy_from_xarray()
497 		i += size;  in iov_kunit_copy_from_xarray()
501 	i = 0;  in iov_kunit_copy_from_xarray()
505 			buffer[i++] = pattern(j);  in iov_kunit_copy_from_xarray()
506 			if (i >= bufsize)  in iov_kunit_copy_from_xarray()
513 	for (i = 0; i < bufsize; i++) {  in iov_kunit_copy_from_xarray()
514 		KUNIT_EXPECT_EQ_MSG(test, scratch[i], buffer[i], "at i=%x", i);  in iov_kunit_copy_from_xarray()
515 		if (scratch[i] != buffer[i])  in iov_kunit_copy_from_xarray()
534 	int i, from;  in iov_kunit_extract_pages_kvec()  local
550 		for (i = 0; i < ARRAY_SIZE(pagelist); i++)  in iov_kunit_extract_pages_kvec()
551 			pagelist[i] = (void *)(unsigned long)0xaa55aa55aa55aa55ULL;  in iov_kunit_extract_pages_kvec()
567 		for (i = 0; i < ARRAY_SIZE(pagelist); i++) {  in iov_kunit_extract_pages_kvec()
582 			KUNIT_EXPECT_PTR_EQ(test, pagelist[i], p);  in iov_kunit_extract_pages_kvec()
613 	int i, from;  in iov_kunit_extract_pages_bvec()  local
628 		for (i = 0; i < ARRAY_SIZE(pagelist); i++)  in iov_kunit_extract_pages_bvec()
629 			pagelist[i] = (void *)(unsigned long)0xaa55aa55aa55aa55ULL;  in iov_kunit_extract_pages_bvec()
645 		for (i = 0; i < ARRAY_SIZE(pagelist); i++) {  in iov_kunit_extract_pages_bvec()
660 			KUNIT_EXPECT_PTR_EQ(test, pagelist[i], p);  in iov_kunit_extract_pages_bvec()
691 	int i, from;  in iov_kunit_extract_pages_xarray()  local
711 			for (i = 0; i < ARRAY_SIZE(pagelist); i++)  in iov_kunit_extract_pages_xarray()
712 				pagelist[i] = (void *)(unsigned long)0xaa55aa55aa55aa55ULL;  in iov_kunit_extract_pages_xarray()
727 			for (i = 0; i < ARRAY_SIZE(pagelist); i++) {  in iov_kunit_extract_pages_xarray()
736 				KUNIT_EXPECT_PTR_EQ(test, pagelist[i], p);  in iov_kunit_extract_pages_xarray()