56 	lim->logical_block_size = lim->physical_block_size = lim->io_min = 512;  in blk_set_default_limits()
338 	if (q->limits.io_min < q->limits.physical_block_size)  in blk_queue_logical_block_size()
339 		q->limits.io_min = q->limits.physical_block_size;  in blk_queue_logical_block_size()
360 	if (q->limits.io_min < q->limits.physical_block_size)  in blk_queue_physical_block_size()
361 		q->limits.io_min = q->limits.physical_block_size;  in blk_queue_physical_block_size()
397 	limits->io_min = min;  in blk_limits_io_min()
399 	if (limits->io_min < limits->logical_block_size)  in blk_limits_io_min()
400 		limits->io_min = limits->logical_block_size;  in blk_limits_io_min()
402 	if (limits->io_min < limits->physical_block_size)  in blk_limits_io_min()
403 		limits->io_min = limits->physical_block_size;  in blk_limits_io_min()
534 		top = max(t->physical_block_size, t->io_min)  in blk_stack_limits()
536 		bottom = max(b->physical_block_size, b->io_min) + alignment;  in blk_stack_limits()
551 	t->io_min = max(t->io_min, b->io_min);  in blk_stack_limits()
562 	if (t->io_min & (t->physical_block_size - 1)) {  in blk_stack_limits()
563 		t->io_min = t->physical_block_size;  in blk_stack_limits()
581 		% max(t->physical_block_size, t->io_min);  in blk_stack_limits()