Re: [PATCH] fs: switch f_iocb_flags and f_version

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On Thu, Aug 22, 2024 at 10:17:37AM GMT, Jens Axboe wrote:
> On 8/22/24 9:10 AM, Christian Brauner wrote:
> >> Do we want to add a comment to this effect? I know it's obvious from
> >> sharing with f_task_work, but...
> > 
> > I'll add one.
> 
> Sounds good. You can add my:
> 
> Reviewed-by: Jens Axboe <axboe@xxxxxxxxx>
> 
> as well, forgot to mention that in the original reply.

I think we can deliver 192 bytes aka 3 cachelines.
Afaict we can move struct file_ra_state into the union instead of
f_version. See the appended patch I'm testing now. If that works then
we're down by 40 bytes this cycle.





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