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

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Date:   Mon, 23 Aug 2021 10:40:41 +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 Shuah,

On 2021/7/28 20:32, Baolin Wang wrote:
> 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>

Could you apply this patch if no objection from your side? Thanks.

>> ---
>>   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;
>>