static void cgroup_file_release(struct kernfs_open_file *of)
{
	struct cftype *cft = of_cft(of);

	if (cft->release)
		cft->release(of);
}
static void cgroup_file_release(struct kernfs_open_file *of)
{
	struct cftype *cft = of_cft(of);

	if (cft->release)
		cft->release(of);
}