Function test_dummy

test/regbuf-clone.c:480–525

}

static int test_dummy(void)
{
	struct iovec vec = { };
	struct io_uring src, dst;
	int ret;

	ret = io_uring_queue_init(1, &src, 0);
	if (ret) {
		fprintf(stderr, "ring_init: %d\n", ret);
		return T_EXIT_FAIL;
	}
	ret = io_uring_queue_init(1, &dst, 0);
	if (ret) {
		fprintf(stderr, "ring_init: %d\n", ret);
		return T_EXIT_FAIL;
	}

	ret = io_uring_register_buffers(&src, &vec, 1);
	if (ret < 0) {
		fprintf(stderr, "failed to register dummy buffer: %d\n", ret);
		return T_EXIT_FAIL;
	}

	ret = io_uring_clone_buffers(&dst, &src);
	if (ret) {
		fprintf(stderr, "clone dummy buf: %d\n", ret);
		return T_EXIT_FAIL;
	}

	ret = io_uring_unregister_buffers(&src);
	if (ret) {
		fprintf(stderr, "rsc unregister buffers: %d\n", ret);
		return T_EXIT_FAIL;
	}

	ret = io_uring_unregister_buffers(&dst);
	if (ret) {
		fprintf(stderr, "dst unregister buffers: %d\n", ret);
		return T_EXIT_FAIL;
	}

	io_uring_queue_exit(&src);
	io_uring_queue_exit(&dst);

	return T_EXIT_PASS;
}

/*
 * Register sparse buffer table, then try updating that with a few huge