Function check_splice_support

test/splice.c:200–206

}

static void check_splice_support(struct io_uring *ring, struct test_ctx *ctx)
{
	int ret;

	ret = do_splice(ring, -1, 0, -1, 0, BUF_SIZE);
	has_splice = (ret == -EBADF);
}

static void check_tee_support(struct io_uring *ring, struct test_ctx *ctx)
{