bind_rdev_to_array
err = bind_rdev_to_array(rdev, mddev);
if (bind_rdev_to_array(rdev, mddev))
err = bind_rdev_to_array(rdev, mddev);
err = bind_rdev_to_array(rdev, mddev);
err = bind_rdev_to_array(rdev, mddev);
err = bind_rdev_to_array(rdev, mddev);