linux-kernel - Re: [PATCH v6 2/2] selftests: tmpfs: Add kselftest support to tmpfs

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Message-ID: <71a0493d-8804-444f-b2bb-3f061cf7f436@kernel.org>
Date: Fri, 20 Dec 2024 09:46:22 -0700
From: Shuah <shuah@...nel.org>
To: Shivam Chaudhary <cvam0000@...il.com>
Cc: linux-kselftest@...r.kernel.org, linux-kernel@...r.kernel.org,
 shuah@...nel.org
Subject: Re: [PATCH v6 2/2] selftests: tmpfs: Add kselftest support to tmpfs

On 12/19/24 08:29, Shivam Chaudhary wrote:
> Replace direct error handling with 'ksft_test_result_*'
> macros for better reporting.
> 
> Test logs:
> 
> Before change:
> - Without root
>   error: unshare, errno 1
> 
> - With root
>   No, output
> 
> After change:
> - Without root
> TAP version 13
> 1..1
> ok 2 # SKIP This test needs root to run!
> Totals: pass:0 fail:0 xfail:0 xpass:0 skip:1 error:0
> 
> - With root
> TAP version 13
> 1..1
> ok 1 Test : Success
> Totals: pass:1 fail:0 xfail:0 xpass:0 skip:0 error:0
> 
> Signed-off-by: Shivam Chaudhary <cvam0000@...il.com>
> ---
>   .../selftests/tmpfs/bug-link-o-tmpfile.c      | 29 ++++++++++---------
>   1 file changed, 15 insertions(+), 14 deletions(-)
> 
> diff --git a/tools/testing/selftests/tmpfs/bug-link-o-tmpfile.c b/tools/testing/selftests/tmpfs/bug-link-o-tmpfile.c
> index 657b64857e82..91b30a0ca365 100644
> --- a/tools/testing/selftests/tmpfs/bug-link-o-tmpfile.c
> +++ b/tools/testing/selftests/tmpfs/bug-link-o-tmpfile.c
> @@ -41,39 +41,40 @@ int main(void)
>   
>   	if (unshare(CLONE_NEWNS) == -1) {
>   		if (errno == ENOSYS || errno == EPERM) {
> -			fprintf(stderr, "error: unshare, errno %d\n", errno);
> -			return 4;
> +			ksft_test_result_skip("unshare() error: unshare, errno %d\n", errno);

ksft_exit_skip_msg() is a better choice here.
The rest looks good.

thanks,
-- Shuah