GD_SUPPRESS_PART_SCAN
clear_bit(GD_SUPPRESS_PART_SCAN, &lo->lo_disk->state);
set_bit(GD_SUPPRESS_PART_SCAN, &lo->lo_disk->state);
clear_bit(GD_SUPPRESS_PART_SCAN, &lo->lo_disk->state);
set_bit(GD_SUPPRESS_PART_SCAN, &disk->state);
if (WARN_ON_ONCE(!test_and_clear_bit(GD_SUPPRESS_PART_SCAN,
set_bit(GD_SUPPRESS_PART_SCAN, &disk->state);
clear_bit(GD_SUPPRESS_PART_SCAN, &disk->state);
if (WARN_ON_ONCE(!test_and_clear_bit(GD_SUPPRESS_PART_SCAN,
set_bit(GD_SUPPRESS_PART_SCAN, &head->disk->state);
!test_bit(GD_SUPPRESS_PART_SCAN, &disk->state);