77 	sector_t region_size;  member
299 	*rs = dm_sector_div_up(bio->bi_iter.bi_sector, clone->region_size);  in bio_region_range()
311 	return (bio_data_dir(bio) == WRITE && bio_sectors(bio) == clone->region_size);  in is_overwrite_bio()
802 	sector_t tail_size, region_size, total_size;  in hydration_copy()  local
809 	region_size = clone->region_size;  in hydration_copy()
820 		tail_size = clone->ti->len & (region_size - 1);  in hydration_copy()
822 			tail_size = region_size;  in hydration_copy()
824 		tail_size = region_size;  in hydration_copy()
1479 		       (unsigned long long)clone->region_size,  in clone_status()
1643 	unsigned int region_size;  in parse_region_size()  local
1650 	r = dm_read_arg(&arg, as, &region_size, error);  in parse_region_size()
1655 	if (!is_power_of_2(region_size)) {  in parse_region_size()
1661 	if (region_size % (bdev_logical_block_size(clone->source_dev->bdev) >> 9) ||  in parse_region_size()
1662 	    region_size % (bdev_logical_block_size(clone->dest_dev->bdev) >> 9)) {  in parse_region_size()
1667 	clone->region_size = region_size;  in parse_region_size()
1824 	clone->region_shift = __ffs(clone->region_size);  in clone_ctr()
1825 	nr_regions = dm_sector_div_up(ti->len, clone->region_size);  in clone_ctr()
1840 	r = dm_set_target_max_io_len(ti, clone->region_size);  in clone_ctr()
1856 					    clone->region_size);  in clone_ctr()
2050 	else if (dest_limits->max_discard_sectors < clone->region_size)  in disable_passdown_if_not_supported()
2067 		limits->discard_granularity = clone->region_size << SECTOR_SHIFT;  in set_discard_limits()
2068 		limits->max_discard_sectors = round_down(UINT_MAX >> SECTOR_SHIFT, clone->region_size);  in set_discard_limits()
2094 	if (io_opt_sectors < clone->region_size ||  in clone_io_hints()
2095 	    do_div(io_opt_sectors, clone->region_size)) {  in clone_io_hints()
2096 		blk_limits_io_min(limits, clone->region_size << SECTOR_SHIFT);  in clone_io_hints()
2097 		blk_limits_io_opt(limits, clone->region_size << SECTOR_SHIFT);  in clone_io_hints()