1066 	struct btrfs_bio_stripe *stripe;  in rbio_add_io_page()  local
1069 	stripe = &rbio->bbio->stripes[stripe_nr];  in rbio_add_io_page()
1070 	disk_start = stripe->physical + (page_index << PAGE_CACHE_SHIFT);  in rbio_add_io_page()
1073 	if (!stripe->dev->bdev)  in rbio_add_io_page()
1085 		if (last_end == disk_start && stripe->dev->bdev &&  in rbio_add_io_page()
1087 		    last->bi_bdev == stripe->dev->bdev) {  in rbio_add_io_page()
1100 	bio->bi_bdev = stripe->dev->bdev;  in rbio_add_io_page()
1129 static struct page *rbio_stripe_page(struct btrfs_raid_bio *rbio, int stripe, int page)  in rbio_stripe_page()  argument
1132 	index = stripe * (rbio->stripe_len >> PAGE_CACHE_SHIFT);  in rbio_stripe_page()
1182 	int stripe;  in finish_rmw()  local
1234 		for (stripe = 0; stripe < nr_data; stripe++) {  in finish_rmw()
1235 			p = page_in_rbio(rbio, stripe, pagenr, 0);  in finish_rmw()
1236 			pointers[stripe] = kmap(p);  in finish_rmw()
1242 		pointers[stripe++] = kmap(p);  in finish_rmw()
1252 			pointers[stripe++] = kmap(p);  in finish_rmw()
1263 		for (stripe = 0; stripe < rbio->real_stripes; stripe++)  in finish_rmw()
1264 			kunmap(page_in_rbio(rbio, stripe, pagenr, 0));  in finish_rmw()
1272 	for (stripe = 0; stripe < rbio->real_stripes; stripe++) {  in finish_rmw()
1275 			if (stripe < rbio->nr_data) {  in finish_rmw()
1276 				page = page_in_rbio(rbio, stripe, pagenr, 1);  in finish_rmw()
1280 			       page = rbio_stripe_page(rbio, stripe, pagenr);  in finish_rmw()
1284 				       page, stripe, pagenr, rbio->stripe_len);  in finish_rmw()
1293 	for (stripe = 0; stripe < rbio->real_stripes; stripe++) {  in finish_rmw()
1294 		if (!bbio->tgtdev_map[stripe])  in finish_rmw()
1299 			if (stripe < rbio->nr_data) {  in finish_rmw()
1300 				page = page_in_rbio(rbio, stripe, pagenr, 1);  in finish_rmw()
1304 			       page = rbio_stripe_page(rbio, stripe, pagenr);  in finish_rmw()
1308 					       rbio->bbio->tgtdev_map[stripe],  in finish_rmw()
1345 	struct btrfs_bio_stripe *stripe;  in find_bio_stripe()  local
1350 		stripe = &rbio->bbio->stripes[i];  in find_bio_stripe()
1351 		stripe_start = stripe->physical;  in find_bio_stripe()
1354 		    bio->bi_bdev == stripe->dev->bdev) {  in find_bio_stripe()
1513 	int stripe;  in raid56_rmw_stripe()  local
1529 	for (stripe = 0; stripe < rbio->nr_data; stripe++) {  in raid56_rmw_stripe()
1538 			page = page_in_rbio(rbio, stripe, pagenr, 1);  in raid56_rmw_stripe()
1542 			page = rbio_stripe_page(rbio, stripe, pagenr);  in raid56_rmw_stripe()
1551 				       stripe, pagenr, rbio->stripe_len);  in raid56_rmw_stripe()
1803 	int pagenr, stripe;  in __raid_recover_end_io()  local
1841 		for (stripe = 0; stripe < rbio->real_stripes; stripe++) {  in __raid_recover_end_io()
1848 			    (stripe == faila || stripe == failb)) {  in __raid_recover_end_io()
1849 				page = page_in_rbio(rbio, stripe, pagenr, 0);  in __raid_recover_end_io()
1851 				page = rbio_stripe_page(rbio, stripe, pagenr);  in __raid_recover_end_io()
1853 			pointers[stripe] = kmap(page);  in __raid_recover_end_io()
1926 			for (stripe = faila; stripe < rbio->nr_data - 1; stripe++)  in __raid_recover_end_io()
1927 				pointers[stripe] = pointers[stripe + 1];  in __raid_recover_end_io()
1951 		for (stripe = 0; stripe < rbio->real_stripes; stripe++) {  in __raid_recover_end_io()
1958 			    (stripe == faila || stripe == failb)) {  in __raid_recover_end_io()
1959 				page = page_in_rbio(rbio, stripe, pagenr, 0);  in __raid_recover_end_io()
1961 				page = rbio_stripe_page(rbio, stripe, pagenr);  in __raid_recover_end_io()
2038 	int stripe;  in __raid56_parity_recover()  local
2054 	for (stripe = 0; stripe < rbio->real_stripes; stripe++) {  in __raid56_parity_recover()
2055 		if (rbio->faila == stripe || rbio->failb == stripe) {  in __raid56_parity_recover()
2067 			p = rbio_stripe_page(rbio, stripe, pagenr);  in __raid56_parity_recover()
2072 				       rbio_stripe_page(rbio, stripe, pagenr),  in __raid56_parity_recover()
2073 				       stripe, pagenr, rbio->stripe_len);  in __raid56_parity_recover()
2322 	int stripe;  in finish_parity_scrub()  local
2379 		for (stripe = 0; stripe < nr_data; stripe++) {  in finish_parity_scrub()
2380 			p = page_in_rbio(rbio, stripe, pagenr, 0);  in finish_parity_scrub()
2381 			pointers[stripe] = kmap(p);  in finish_parity_scrub()
2385 		pointers[stripe++] = kmap(p_page);  in finish_parity_scrub()
2393 			pointers[stripe++] = kmap(q_page);  in finish_parity_scrub()
2413 		for (stripe = 0; stripe < rbio->real_stripes; stripe++)  in finish_parity_scrub()
2414 			kunmap(page_in_rbio(rbio, stripe, pagenr, 0));  in finish_parity_scrub()
2476 static inline int is_data_stripe(struct btrfs_raid_bio *rbio, int stripe)  in is_data_stripe()  argument
2478 	if (stripe >= 0 && stripe < rbio->nr_data)  in is_data_stripe()
2580 	int stripe;  in raid56_parity_scrub_stripe()  local
2594 	for (stripe = 0; stripe < rbio->real_stripes; stripe++) {  in raid56_parity_scrub_stripe()
2603 			page = page_in_rbio(rbio, stripe, pagenr, 1);  in raid56_parity_scrub_stripe()
2607 			page = rbio_stripe_page(rbio, stripe, pagenr);  in raid56_parity_scrub_stripe()
2616 				       stripe, pagenr, rbio->stripe_len);  in raid56_parity_scrub_stripe()