104 	lim->logical_block_size = lim->physical_block_size = lim->io_min = 512;  in blk_set_default_limits()
359 	if (q->limits.io_min < q->limits.physical_block_size)  in blk_queue_logical_block_size()
360 		q->limits.io_min = q->limits.physical_block_size;  in blk_queue_logical_block_size()
381 	if (q->limits.io_min < q->limits.physical_block_size)  in blk_queue_physical_block_size()
382 		q->limits.io_min = q->limits.physical_block_size;  in blk_queue_physical_block_size()
418 	limits->io_min = min;  in blk_limits_io_min()
420 	if (limits->io_min < limits->logical_block_size)  in blk_limits_io_min()
421 		limits->io_min = limits->logical_block_size;  in blk_limits_io_min()
423 	if (limits->io_min < limits->physical_block_size)  in blk_limits_io_min()
424 		limits->io_min = limits->physical_block_size;  in blk_limits_io_min()
551 		top = max(t->physical_block_size, t->io_min)  in blk_stack_limits()
553 		bottom = max(b->physical_block_size, b->io_min) + alignment;  in blk_stack_limits()
568 	t->io_min = max(t->io_min, b->io_min);  in blk_stack_limits()
582 	if (t->io_min & (t->physical_block_size - 1)) {  in blk_stack_limits()
583 		t->io_min = t->physical_block_size;  in blk_stack_limits()
601 		% max(t->physical_block_size, t->io_min);  in blk_stack_limits()