Re: Build 0.6 version fail on musl libc

[Jann Horn <jannh@google.com>]

+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.