1054 	struct btrfs_bio_stripe *stripe;  in rbio_add_io_page()  local
1057 	stripe = &rbio->bbio->stripes[stripe_nr];  in rbio_add_io_page()
1058 	disk_start = stripe->physical + (page_index << PAGE_CACHE_SHIFT);  in rbio_add_io_page()
1061 	if (!stripe->dev->bdev)  in rbio_add_io_page()
1073 		if (last_end == disk_start && stripe->dev->bdev &&  in rbio_add_io_page()
1075 		    last->bi_bdev == stripe->dev->bdev) {  in rbio_add_io_page()
1088 	bio->bi_bdev = stripe->dev->bdev;  in rbio_add_io_page()
1118 static struct page *rbio_stripe_page(struct btrfs_raid_bio *rbio, int stripe, int page)  in rbio_stripe_page()  argument
1121 	index = stripe * (rbio->stripe_len >> PAGE_CACHE_SHIFT);  in rbio_stripe_page()
1171 	int stripe;  in finish_rmw()  local
1223 		for (stripe = 0; stripe < nr_data; stripe++) {  in finish_rmw()
1224 			p = page_in_rbio(rbio, stripe, pagenr, 0);  in finish_rmw()
1225 			pointers[stripe] = kmap(p);  in finish_rmw()
1231 		pointers[stripe++] = kmap(p);  in finish_rmw()
1241 			pointers[stripe++] = kmap(p);  in finish_rmw()
1252 		for (stripe = 0; stripe < rbio->real_stripes; stripe++)  in finish_rmw()
1253 			kunmap(page_in_rbio(rbio, stripe, pagenr, 0));  in finish_rmw()
1261 	for (stripe = 0; stripe < rbio->real_stripes; stripe++) {  in finish_rmw()
1264 			if (stripe < rbio->nr_data) {  in finish_rmw()
1265 				page = page_in_rbio(rbio, stripe, pagenr, 1);  in finish_rmw()
1269 			       page = rbio_stripe_page(rbio, stripe, pagenr);  in finish_rmw()
1273 				       page, stripe, pagenr, rbio->stripe_len);  in finish_rmw()
1282 	for (stripe = 0; stripe < rbio->real_stripes; stripe++) {  in finish_rmw()
1283 		if (!bbio->tgtdev_map[stripe])  in finish_rmw()
1288 			if (stripe < rbio->nr_data) {  in finish_rmw()
1289 				page = page_in_rbio(rbio, stripe, pagenr, 1);  in finish_rmw()
1293 			       page = rbio_stripe_page(rbio, stripe, pagenr);  in finish_rmw()
1297 					       rbio->bbio->tgtdev_map[stripe],  in finish_rmw()
1335 	struct btrfs_bio_stripe *stripe;  in find_bio_stripe()  local
1340 		stripe = &rbio->bbio->stripes[i];  in find_bio_stripe()
1341 		stripe_start = stripe->physical;  in find_bio_stripe()
1344 		    bio->bi_bdev == stripe->dev->bdev) {  in find_bio_stripe()
1504 	int stripe;  in raid56_rmw_stripe()  local
1520 	for (stripe = 0; stripe < rbio->nr_data; stripe++) {  in raid56_rmw_stripe()
1529 			page = page_in_rbio(rbio, stripe, pagenr, 1);  in raid56_rmw_stripe()
1533 			page = rbio_stripe_page(rbio, stripe, pagenr);  in raid56_rmw_stripe()
1542 				       stripe, pagenr, rbio->stripe_len);  in raid56_rmw_stripe()
1795 	int pagenr, stripe;  in __raid_recover_end_io()  local
1832 		for (stripe = 0; stripe < rbio->real_stripes; stripe++) {  in __raid_recover_end_io()
1838 			    (stripe == faila || stripe == failb)) {  in __raid_recover_end_io()
1839 				page = page_in_rbio(rbio, stripe, pagenr, 0);  in __raid_recover_end_io()
1841 				page = rbio_stripe_page(rbio, stripe, pagenr);  in __raid_recover_end_io()
1843 			pointers[stripe] = kmap(page);  in __raid_recover_end_io()
1916 			for (stripe = faila; stripe < rbio->nr_data - 1; stripe++)  in __raid_recover_end_io()
1917 				pointers[stripe] = pointers[stripe + 1];  in __raid_recover_end_io()
1941 		for (stripe = 0; stripe < rbio->real_stripes; stripe++) {  in __raid_recover_end_io()
1947 			    (stripe == faila || stripe == failb)) {  in __raid_recover_end_io()
1948 				page = page_in_rbio(rbio, stripe, pagenr, 0);  in __raid_recover_end_io()
1950 				page = rbio_stripe_page(rbio, stripe, pagenr);  in __raid_recover_end_io()
2025 	int stripe;  in __raid56_parity_recover()  local
2041 	for (stripe = 0; stripe < rbio->real_stripes; stripe++) {  in __raid56_parity_recover()
2042 		if (rbio->faila == stripe || rbio->failb == stripe) {  in __raid56_parity_recover()
2054 			p = rbio_stripe_page(rbio, stripe, pagenr);  in __raid56_parity_recover()
2059 				       rbio_stripe_page(rbio, stripe, pagenr),  in __raid56_parity_recover()
2060 				       stripe, pagenr, rbio->stripe_len);  in __raid56_parity_recover()
2307 	int stripe;  in finish_parity_scrub()  local
2364 		for (stripe = 0; stripe < nr_data; stripe++) {  in finish_parity_scrub()
2365 			p = page_in_rbio(rbio, stripe, pagenr, 0);  in finish_parity_scrub()
2366 			pointers[stripe] = kmap(p);  in finish_parity_scrub()
2370 		pointers[stripe++] = kmap(p_page);  in finish_parity_scrub()
2378 			pointers[stripe++] = kmap(q_page);  in finish_parity_scrub()
2398 		for (stripe = 0; stripe < rbio->real_stripes; stripe++)  in finish_parity_scrub()
2399 			kunmap(page_in_rbio(rbio, stripe, pagenr, 0));  in finish_parity_scrub()
2462 static inline int is_data_stripe(struct btrfs_raid_bio *rbio, int stripe)  in is_data_stripe()  argument
2464 	if (stripe >= 0 && stripe < rbio->nr_data)  in is_data_stripe()
2566 	int stripe;  in raid56_parity_scrub_stripe()  local
2580 	for (stripe = 0; stripe < rbio->real_stripes; stripe++) {  in raid56_parity_scrub_stripe()
2589 			page = page_in_rbio(rbio, stripe, pagenr, 1);  in raid56_parity_scrub_stripe()
2593 			page = rbio_stripe_page(rbio, stripe, pagenr);  in raid56_parity_scrub_stripe()
2602 				       stripe, pagenr, rbio->stripe_len);  in raid56_parity_scrub_stripe()