void kthread_flush_worker(struct kthread_worker *worker)
{
	struct kthread_flush_work fwork = {
		KTHREAD_WORK_INIT(fwork.work, kthread_flush_work_fn),
		COMPLETION_INITIALIZER_ONSTACK(fwork.done),
	};

	kthread_queue_work(worker, &fwork.work);
	wait_for_completion(&fwork.done);
}
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