68 	struct strip_zone *zone;  in create_strip_zones()  local
155 	zone = &conf->strip_zone[0];  in create_strip_zones()
203 	zone->nb_dev = cnt;  in create_strip_zones()
204 	zone->zone_end = smallest->sectors * cnt;  in create_strip_zones()
206 	curr_zone_end = zone->zone_end;  in create_strip_zones()
213 		zone = conf->strip_zone + i;  in create_strip_zones()
217 		zone->dev_start = smallest->sectors;  in create_strip_zones()
223 			if (rdev->sectors <= zone->dev_start) {  in create_strip_zones()
243 		zone->nb_dev = c;  in create_strip_zones()
244 		sectors = (smallest->sectors - zone->dev_start) * c;  in create_strip_zones()
247 			 zone->nb_dev, (unsigned long long)sectors);  in create_strip_zones()
250 		zone->zone_end = curr_zone_end;  in create_strip_zones()
278 			zone = conf->strip_zone + i;  in create_strip_zones()
280 			zone->disk_shift = sector_div(first_sector,  in create_strip_zones()
281 						      zone->nb_dev);  in create_strip_zones()
320 static struct md_rdev *map_sector(struct mddev *mddev, struct strip_zone *zone,  in map_sector()  argument
337 		sector_div(chunk, zone->nb_dev << chunksect_bits);  in map_sector()
341 		sector_div(chunk, chunk_sects * zone->nb_dev);  in map_sector()
349 	return conf->devlist[(zone - conf->strip_zone)*raid_disks  in map_sector()
350 			     + sector_div(sector, zone->nb_dev)];  in map_sector()
448 	struct strip_zone *zone;  in raid0_handle_discard()  local
461 	zone = find_zone(conf, &start);  in raid0_handle_discard()
463 	if (bio_end_sector(bio) > zone->zone_end) {  in raid0_handle_discard()
465 			zone->zone_end - bio->bi_iter.bi_sector, GFP_NOIO,  in raid0_handle_discard()
470 		end = zone->zone_end;  in raid0_handle_discard()
475 	if (zone != conf->strip_zone)  in raid0_handle_discard()
476 		end = end - zone[-1].zone_end;  in raid0_handle_discard()
479 	stripe_size = zone->nb_dev * mddev->chunk_sectors;  in raid0_handle_discard()
487 	if ((conf->layout == RAID0_ORIG_LAYOUT) && (zone != conf->strip_zone)) {  in raid0_handle_discard()
489 		start_disk_index = sector_div(orig_start, zone->nb_dev);  in raid0_handle_discard()
491 						  zone->nb_dev,  in raid0_handle_discard()
492 						  zone->disk_shift);  in raid0_handle_discard()
494 		end_disk_index = sector_div(orig_end, zone->nb_dev);  in raid0_handle_discard()
496 						zone->nb_dev, zone->disk_shift);  in raid0_handle_discard()
510 	for (disk = 0; disk < zone->nb_dev; disk++) {  in raid0_handle_discard()
515 		compare_disk = map_disk_shift(disk, zone->nb_dev,  in raid0_handle_discard()
516 					      zone->disk_shift);  in raid0_handle_discard()
536 		rdev = conf->devlist[(zone - conf->strip_zone) *  in raid0_handle_discard()
539 			dev_start + zone->dev_start + rdev->data_offset,  in raid0_handle_discard()
548 	struct strip_zone *zone;  in raid0_map_submit_bio()  local
555 	zone = find_zone(mddev->private, &sector);  in raid0_map_submit_bio()
558 		tmp_dev = map_sector(mddev, zone, bio_sector, &sector);  in raid0_map_submit_bio()
561 		tmp_dev = map_sector(mddev, zone, sector, &sector);  in raid0_map_submit_bio()
576 	bio->bi_iter.bi_sector = sector + zone->dev_start +  in raid0_map_submit_bio()