int crypt_volume_key_keyring(struct crypt_device *cd __attribute__((unused)), int enable)
{
	_vk_via_keyring = enable ? 1 : 0;
	return 0;
}
int crypt_volume_key_keyring(struct crypt_device *cd __attribute__((unused)), int enable)
{
	_vk_via_keyring = enable ? 1 : 0;
	return 0;
}