linux-kernel - Re: [PATCH] selftests: openat2: Fix testing failure for O

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Message-ID: <01184d9e-477d-cbe4-c936-62b92e915911@linux.alibaba.com>
Date:   Wed, 28 Jul 2021 20:32:20 +0800
From:   Baolin Wang <baolin.wang@...ux.alibaba.com>
To:     shuah@...nel.org
Cc:     linux-kselftest@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] selftests: openat2: Fix testing failure for O_LARGEFILE
 flag

Hi,

> When running the openat2 test suite on ARM64 platform, we got below failure,
> since the definition of the O_LARGEFILE is different on ARM64. So we can
> set the correct O_LARGEFILE definition on ARM64 to fix this issue.

Sorry, I forgot to copy the failure log:

# openat2 unexpectedly returned # 
3['/lkp/benchmarks/kernel_selftests/tools/testing/selftests/openat2'] 
with 208000 (!= 208000)
not ok 102 openat2 with incompatible flags (O_PATH | O_LARGEFILE) fails 
with -22 (Invalid argument)

> 
> Signed-off-by: Baolin Wang <baolin.wang@...ux.alibaba.com>
> ---
>   tools/testing/selftests/openat2/openat2_test.c | 4 ++++
>   1 file changed, 4 insertions(+)
> 
> diff --git a/tools/testing/selftests/openat2/openat2_test.c b/tools/testing/selftests/openat2/openat2_test.c
> index d7ec1e7..1bddbe9 100644
> --- a/tools/testing/selftests/openat2/openat2_test.c
> +++ b/tools/testing/selftests/openat2/openat2_test.c
> @@ -22,7 +22,11 @@
>    * XXX: This is wrong on {mips, parisc, powerpc, sparc}.
>    */
>   #undef	O_LARGEFILE
> +#ifdef __aarch64__
> +#define	O_LARGEFILE 0x20000
> +#else
>   #define	O_LARGEFILE 0x8000
> +#endif
>   
>   struct open_how_ext {
>   	struct open_how inner;
>