static void io_queue_linked_timeout(struct io_kiocb *req)
{
	struct io_ring_ctx *ctx = req->ctx;

	spin_lock_irq(&ctx->completion_lock);
	__io_queue_linked_timeout(req);
	spin_unlock_irq(&ctx->completion_lock);

	/* drop submission reference */
	io_put_req(req);
}
static void io_queue_linked_timeout(struct io_kiocb *req)
{
	struct io_ring_ctx *ctx = req->ctx;

	spin_lock_irq(&ctx->completion_lock);
	__io_queue_linked_timeout(req);
	spin_unlock_irq(&ctx->completion_lock);

	 
	io_put_req(req);
}