360 	uint32_t discard_block_size; /* a power of 2 times sectors per block */  member
657 	dm_block_t oblocks = cache->discard_block_size;  in oblocks_per_dblock()
1014 	*b = to_dblock(dm_sector_div_up(sb, cache->discard_block_size));  in calc_discard_block_range()
1016 	if (se - sb < cache->discard_block_size)  in calc_discard_block_range()
1019 		*e = to_dblock(block_div(se, cache->discard_block_size));  in calc_discard_block_range()
2343 static bool too_many_discard_blocks(sector_t discard_block_size,  in too_many_discard_blocks()  argument
2346 	(void) sector_div(origin_size, discard_block_size);  in too_many_discard_blocks()
2354 	sector_t discard_block_size = cache_block_size;  in calculate_discard_block_size()  local
2357 		while (too_many_discard_blocks(discard_block_size, origin_size))  in calculate_discard_block_size()
2358 			discard_block_size *= 2;  in calculate_discard_block_size()
2360 	return discard_block_size;  in calculate_discard_block_size()
2501 	cache->discard_block_size =  in cache_create()
2505 							      cache->discard_block_size));  in cache_create()
2707 	r = dm_cache_discard_bitset_resize(cache->cmd, cache->discard_block_size,  in write_discard_bitset()
2851 	b = dm_sector_div_up(b, li->cache->discard_block_size);  in set_discard_range()
2852 	sector_div(e, li->cache->discard_block_size);  in set_discard_range()
2865 static int load_discard(void *context, sector_t discard_block_size,  in load_discard()  argument
2870 	li->block_size = discard_block_size;  in load_discard()
3391 		limits->max_hw_discard_sectors = min_t(sector_t, cache->discard_block_size * 1024,  in set_discard_limits()
3393 		limits->discard_granularity = cache->discard_block_size << SECTOR_SHIFT;  in set_discard_limits()