315 	unsigned int chunk_sects = mddev->chunk_sectors;  in map_sector()  local
317 	if (is_power_of_2(chunk_sects)) {  in map_sector()
318 		int chunksect_bits = ffz(~chunk_sects);  in map_sector()
320 		sect_in_chunk  = sector & (chunk_sects - 1);  in map_sector()
327 		sect_in_chunk = sector_div(sector, chunk_sects);  in map_sector()
329 		sector_div(chunk, chunk_sects * zone->nb_dev);  in map_sector()
336 	*sector_offset = (chunk * chunk_sects) + sect_in_chunk;  in map_sector()
523 	unsigned chunk_sects;  in raid0_make_request()  local
537 	chunk_sects = mddev->chunk_sectors;  in raid0_make_request()
539 	sectors = chunk_sects -  in raid0_make_request()
540 		(likely(is_power_of_2(chunk_sects))  in raid0_make_request()
541 		 ? (sector & (chunk_sects-1))  in raid0_make_request()
542 		 : sector_div(sector, chunk_sects));  in raid0_make_request()