static int __io_wq_cpu_online(struct io_wq *wq, unsigned int cpu, bool online)
{
	struct online_data od = {
		.cpu = cpu,
		.online = online
	};
	int i;

	rcu_read_lock();
	for_each_node(i)
		io_wq_for_each_worker(wq->wqes[i], io_wq_worker_affinity, &od);
	rcu_read_unlock();
	return 0;
}
Unknown