5876 	u32 stripe_index;  in __btrfs_map_block_for_discard()  local
5924 	stripe_index = 0;  in __btrfs_map_block_for_discard()
5935 		stripe_nr = div_u64_rem(stripe_nr, factor, &stripe_index);  in __btrfs_map_block_for_discard()
5936 		stripe_index *= sub_stripes;  in __btrfs_map_block_for_discard()
5946 					&stripe_index);  in __btrfs_map_block_for_discard()
5957 			map->stripes[stripe_index].physical +  in __btrfs_map_block_for_discard()
5959 		bbio->stripes[i].dev = map->stripes[stripe_index].dev;  in __btrfs_map_block_for_discard()
5982 			if (stripe_index >= last_stripe &&  in __btrfs_map_block_for_discard()
5983 			    stripe_index <= (last_stripe +  in __btrfs_map_block_for_discard()
5994 		stripe_index++;  in __btrfs_map_block_for_discard()
5995 		if (stripe_index == map->num_stripes) {  in __btrfs_map_block_for_discard()
5996 			stripe_index = 0;  in __btrfs_map_block_for_discard()
6315 	u32 stripe_index;  in __btrfs_map_block()  local
6374 	stripe_index = 0;  in __btrfs_map_block()
6377 				&stripe_index);  in __btrfs_map_block()
6384 			stripe_index = mirror_num - 1;  in __btrfs_map_block()
6386 			stripe_index = find_live_mirror(fs_info, map, 0,  in __btrfs_map_block()
6388 			mirror_num = stripe_index + 1;  in __btrfs_map_block()
6395 			stripe_index = mirror_num - 1;  in __btrfs_map_block()
6403 		stripe_nr = div_u64_rem(stripe_nr, factor, &stripe_index);  in __btrfs_map_block()
6404 		stripe_index *= map->sub_stripes;  in __btrfs_map_block()
6409 			stripe_index += mirror_num - 1;  in __btrfs_map_block()
6411 			int old_stripe_index = stripe_index;  in __btrfs_map_block()
6412 			stripe_index = find_live_mirror(fs_info, map,  in __btrfs_map_block()
6413 					      stripe_index,  in __btrfs_map_block()
6415 			mirror_num = stripe_index - old_stripe_index + 1;  in __btrfs_map_block()
6429 			stripe_index = 0;  in __btrfs_map_block()
6438 					data_stripes, &stripe_index);  in __btrfs_map_block()
6440 				stripe_index = data_stripes + mirror_num - 2;  in __btrfs_map_block()
6443 			div_u64_rem(stripe_nr + stripe_index, map->num_stripes,  in __btrfs_map_block()
6444 					&stripe_index);  in __btrfs_map_block()
6455 				&stripe_index);  in __btrfs_map_block()
6456 		mirror_num = stripe_index + 1;  in __btrfs_map_block()
6458 	if (stripe_index >= map->num_stripes) {  in __btrfs_map_block()
6461 			   stripe_index, map->num_stripes);  in __btrfs_map_block()
6482 		bbio->stripes[i].physical = map->stripes[stripe_index].physical +  in __btrfs_map_block()
6484 		bbio->stripes[i].dev = map->stripes[stripe_index].dev;  in __btrfs_map_block()
6485 		stripe_index++;  in __btrfs_map_block()