[PATCH v3] io: fix ftw ABI on MIPS n64

[Adhemerval Zanella Netto]

On 01/08/26 15:34, Xi Ruoyao wrote:
> On Mon, 2026-07-27 at 09:29 -0300, Adhemerval Zanella Netto wrote:
>>
>>
>> On 22/07/26 08:26, Xi Ruoyao wrote:
>>> On MIPS n64 off_t is same as off64_t, but struct stat is not same as
>>> struct stat64 (very peculiar but see the "as tempting as it..." comment
>>> in linux/mips/kernel_stat.h).  As the ftw/ftw64 callback accepts a
>>> pointer to a function who accepts struct stat/stat64, for MIPS n64 we
>>> must use different implementations for ftw and ftw64.
>>>
>>> Thus for testing if ftw64 can be aliased to ftw, we should check
>>> XSTAT_IS_XSTAT64 instead of __OFF_T_MATCHES_OFF64_T.
>>>
>>> This resolves the io/tst-ftw-lnk failure observed on MIPS n64.
>>>
>>> Link: https://sourceware.org/glibc/wiki/Testing/Tests/io/tst-ftw-lnk
>>> Signed-off-by: Xi Ruoyao <xry111@xry111.site>
>>
>> Sigh, stat ABI strikes again... LTGM, thanks.
>>
>> Reviewed-by: Adhemerval Zanella  <adhemerval.zanella@linaro.org>
> 
> I've no write access yet, please push it.
> 
> (Or maybe I could make an application for the write access?)
> 

I will install this for you today.