dmz_blk2sect
bio->bi_iter.bi_sector = dmz_blk2sect(block);
bio->bi_iter.bi_sector = dmz_blk2sect(block);
bio->bi_iter.bi_sector = dmz_blk2sect(block);
src.sector = dmz_blk2sect(src_zone_block + block);
src.count = dmz_blk2sect(nr_blocks);
dst.sector = dmz_blk2sect(dst_zone_block + block);
dmz_start_sect(zmd, zone) + dmz_blk2sect(wp_block),
dmz_blk2sect(nr_blocks), GFP_NOIO);
dmz_start_sect(dmz->metadata, zone) + dmz_blk2sect(chunk_block);
clone->bi_iter.bi_size = dmz_blk2sect(nr_blocks) << SECTOR_SHIFT;