BD_MAKE_IT_FAIL
return bdev_test_flag(part, BD_MAKE_IT_FAIL) &&
bdev_test_flag(dev_to_bdev(dev), BD_MAKE_IT_FAIL));
bdev_set_flag(dev_to_bdev(dev), BD_MAKE_IT_FAIL);
bdev_clear_flag(dev_to_bdev(dev), BD_MAKE_IT_FAIL);