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

	if (!(req->flags & REQ_F_COMP_LOCKED)) {
		unsigned long flags;

		spin_lock_irqsave(&ctx->completion_lock, flags);
		__io_fail_links(req);
		spin_unlock_irqrestore(&ctx->completion_lock, flags);
	} else {
		__io_fail_links(req);
	}

	io_cqring_ev_posted(ctx);
}
static void io_fail_links(struct io_kiocb *req)
{
	struct io_ring_ctx *ctx = req->ctx;

	if (!(req->flags & REQ_F_COMP_LOCKED)) {
		unsigned long flags;

		spin_lock_irqsave(&ctx->completion_lock, flags);
		__io_fail_links(req);
		spin_unlock_irqrestore(&ctx->completion_lock, flags);
	} else {
		__io_fail_links(req);
	}

	io_cqring_ev_posted(ctx);
}