[LTP] [PATCH v3] fcntl40.c: Test fcntl using F_CREATED_QUERY

Cyril Hrubis chrubis@suse.cz
Wed Apr 2 12:29:43 CEST 2025


Hi!
> +static void verify_fcntl(void)
> +{
> +	int fd;
> +
> +	fd = SAFE_OPEN("/dev/null", O_RDONLY | O_CLOEXEC);
> +
> +	/* We didn't create "/dev/null". */
> +	TST_EXP_EQ_LI(fcntl(fd, F_CREATED_QUERY, 0), 0);
> +	SAFE_CLOSE(fd);
> +
> +	fd = SAFE_OPEN(TEST_NAME, O_CREAT | O_RDONLY | O_CLOEXEC, 0600);
> +
> +	TST_EXP_EQ_LI(fcntl(fd, F_CREATED_QUERY, 0), 1);
> +	SAFE_CLOSE(fd);
> +
> +	fd = SAFE_OPEN(TEST_NAME, O_RDONLY | O_CLOEXEC);
> +
> +	/* We're opening it again, so no positive creation check. */
> +	TST_EXP_EQ_LI(fcntl(fd, F_CREATED_QUERY, 0), 0);
> +	SAFE_CLOSE(fd);
> +	SAFE_UNLINK(TEST_NAME);
> +
> +	/* tst_res(TPASS, "fcntl F_CREATED_QUERY check pass"); */

Why is this line here? It's not even proper comment, just commented out
code. It should have been removed.

> +}
> +
> +static struct tst_test test = {
> +	.test_all = verify_fcntl,
> +	.needs_tmpdir = 1,
> +	.min_kver = "6.12",
> +	.tags = (const struct tst_tag[]) {
> +		{"linux-git", "d0fe8920cbe4"},

This points to the kernel commit that added the test. Commit tags are
only for kernel commits that fixed a kernel bug, not for commits where
functionality was added.

> +		{}
> +	}
> +};
> -- 
> 2.35.3
> 
> 
> -- 
> Mailing list info: https://lists.linux.it/listinfo/ltp

-- 
Cyril Hrubis
chrubis@suse.cz


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