Re: Build 0.6 version fail on musl libc

[Jens Axboe <axboe@kernel.dk>]

On 4/29/20 1:36 PM, Jann Horn wrote:
> +linux-api
> 
> On Wed, Apr 29, 2020 at 6:14 PM Jens Axboe <axboe@kernel.dk> wrote:
>>
>> On 4/29/20 9:29 AM, Jens Axboe wrote:
>>> On 4/29/20 9:26 AM, Christoph Hellwig wrote:
>>>> On Wed, Apr 29, 2020 at 09:24:40AM -0600, Jens Axboe wrote:
>>>>>
>>>>> Not sure what the best fix is there, for 32-bit, your change will truncate
>>>>> the offset to 32-bit as off_t is only 4 bytes there. At least that's the
>>>>> case for me, maybe musl is different if it just has a nasty define for
>>>>> them.
>>>>>
>>>>> Maybe best to just make them uint64_t or something like that.
>>>>
>>>> The proper LFS type would be off64_t.
>>>
>>> Is it available anywhere? Because I don't have it.
>>
>> There seems to be better luck with __off64_t, but I don't even know
>> how widespread that is... Going to give it a go, we'll see.
> 
> If you have questions about how to properly write UAPI headers,
> linux-api@ is probably a good place to ask.

This is in liburing, it's not the kernel side. The kernel side is fine.

-- 
Jens Axboe