511 	int block, result;  in map_block()  local
525 	result = check_zone_nr(&ind[blknr / 512], &blk_chg);  in map_block()
528 	block = result;  in map_block()
532 	result = check_zone_nr(&ind[blknr % 512], &blk_chg);  in map_block()
535 	return result;  in map_block()
542 	int block, result;  in map_block2()  local
561 	result = check_zone_nr2(&ind[blknr / (256 * 256)], &blk_chg);  in map_block2()
564 	block = result;  in map_block2()
568 	result = check_zone_nr2(&ind[(blknr / 256) % 256], &blk_chg);  in map_block2()
571 	block = result;  in map_block2()
575 	result = check_zone_nr2(&ind[blknr % 256], &blk_chg);  in map_block2()
578 	return result;  in map_block2()