2470 static int scrub_extent(struct scrub_ctx *sctx, struct map_lookup *map,  in scrub_extent()  argument
2480 		if (map->type & BTRFS_BLOCK_GROUP_RAID56_MASK)  in scrub_extent()
2481 			blocksize = map->stripe_len;  in scrub_extent()
2489 		if (map->type & BTRFS_BLOCK_GROUP_RAID56_MASK)  in scrub_extent()
2490 			blocksize = map->stripe_len;  in scrub_extent()
2664 				   struct map_lookup *map, u64 *offset,  in get_raid56_logic_offset()  argument
2673 	const int data_stripes = nr_data_stripes(map);  in get_raid56_logic_offset()
2675 	last_offset = (physical - map->stripes[num].physical) * data_stripes;  in get_raid56_logic_offset()
2681 		*offset = last_offset + i * map->stripe_len;  in get_raid56_logic_offset()
2683 		stripe_nr = div64_u64(*offset, map->stripe_len);  in get_raid56_logic_offset()
2687 		stripe_nr = div_u64_rem(stripe_nr, map->num_stripes, &rot);  in get_raid56_logic_offset()
2690 		stripe_index = rot % map->num_stripes;  in get_raid56_logic_offset()
2696 	*offset = last_offset + j * map->stripe_len;  in get_raid56_logic_offset()
2819 						  struct map_lookup *map,  in scrub_raid56_parity()  argument
2847 	nsectors = div_u64(map->stripe_len, fs_info->sectorsize);  in scrub_raid56_parity()
2858 	sparity->stripe_len = map->stripe_len;  in scrub_raid56_parity()
2930 			while (key.objectid >= logic_start + map->stripe_len)  in scrub_raid56_parity()
2931 				logic_start += map->stripe_len;  in scrub_raid56_parity()
2941 			     logic_start + map->stripe_len)) {  in scrub_raid56_parity()
2960 			    logic_start + map->stripe_len)  in scrub_raid56_parity()
2961 				extent_len = logic_start + map->stripe_len -  in scrub_raid56_parity()
3006 				logic_start += map->stripe_len;  in scrub_raid56_parity()
3027 		logic_start += map->stripe_len;  in scrub_raid56_parity()
3044 					   struct map_lookup *map,  in scrub_stripe()  argument
3069 	u64 increment = map->stripe_len;  in scrub_stripe()
3080 	physical = map->stripes[num].physical;  in scrub_stripe()
3082 	nstripes = div64_u64(length, map->stripe_len);  in scrub_stripe()
3083 	if (map->type & BTRFS_BLOCK_GROUP_RAID0) {  in scrub_stripe()
3084 		offset = map->stripe_len * num;  in scrub_stripe()
3085 		increment = map->stripe_len * map->num_stripes;  in scrub_stripe()
3087 	} else if (map->type & BTRFS_BLOCK_GROUP_RAID10) {  in scrub_stripe()
3088 		int factor = map->num_stripes / map->sub_stripes;  in scrub_stripe()
3089 		offset = map->stripe_len * (num / map->sub_stripes);  in scrub_stripe()
3090 		increment = map->stripe_len * factor;  in scrub_stripe()
3091 		mirror_num = num % map->sub_stripes + 1;  in scrub_stripe()
3092 	} else if (map->type & BTRFS_BLOCK_GROUP_RAID1_MASK) {  in scrub_stripe()
3093 		increment = map->stripe_len;  in scrub_stripe()
3094 		mirror_num = num % map->num_stripes + 1;  in scrub_stripe()
3095 	} else if (map->type & BTRFS_BLOCK_GROUP_DUP) {  in scrub_stripe()
3096 		increment = map->stripe_len;  in scrub_stripe()
3097 		mirror_num = num % map->num_stripes + 1;  in scrub_stripe()
3098 	} else if (map->type & BTRFS_BLOCK_GROUP_RAID56_MASK) {  in scrub_stripe()
3099 		get_raid56_logic_offset(physical, num, map, &offset, NULL);  in scrub_stripe()
3100 		increment = map->stripe_len * nr_data_stripes(map);  in scrub_stripe()
3103 		increment = map->stripe_len;  in scrub_stripe()
3133 	physical_end = physical + nstripes * map->stripe_len;  in scrub_stripe()
3134 	if (map->type & BTRFS_BLOCK_GROUP_RAID56_MASK) {  in scrub_stripe()
3136 					map, &logic_end, NULL);  in scrub_stripe()
3203 		if (map->type & BTRFS_BLOCK_GROUP_RAID56_MASK) {  in scrub_stripe()
3204 			ret = get_raid56_logic_offset(physical, num, map,  in scrub_stripe()
3212 				ret = scrub_raid56_parity(sctx, map, scrub_dev,  in scrub_stripe()
3277 			if (key.objectid >= logical + map->stripe_len) {  in scrub_stripe()
3292 			     logical + map->stripe_len)) {  in scrub_stripe()
3314 			    logical + map->stripe_len) {  in scrub_stripe()
3315 				extent_len = logical + map->stripe_len -  in scrub_stripe()
3336 			ret = scrub_extent(sctx, map, extent_logical, extent_len,  in scrub_stripe()
3348 				if (map->type & BTRFS_BLOCK_GROUP_RAID56_MASK) {  in scrub_stripe()
3354 					physical += map->stripe_len;  in scrub_stripe()
3356 							num, map, &logical,  in scrub_stripe()
3365 							map, scrub_dev, ppath,  in scrub_stripe()
3373 					physical += map->stripe_len;  in scrub_stripe()
3392 		physical += map->stripe_len;  in scrub_stripe()
3395 			sctx->stat.last_physical = map->stripes[num].physical +  in scrub_stripe()
3424 	struct map_lookup *map;  in scrub_chunk()  local
3446 	map = em->map_lookup;  in scrub_chunk()
3453 	for (i = 0; i < map->num_stripes; ++i) {  in scrub_chunk()
3454 		if (map->stripes[i].dev->bdev == scrub_dev->bdev &&  in scrub_chunk()
3455 		    map->stripes[i].physical == dev_offset) {  in scrub_chunk()
3456 			ret = scrub_stripe(sctx, map, scrub_dev, i,  in scrub_chunk()