RE: [PATCH 0/5] v3 block subsystem refcounter conversions

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> On 06/28/2017 05:58 AM, Reshetova, Elena wrote:
> >
> >> Subject: Re: [PATCH 0/5] v3 block subsystem refcounter conversions
> >>
> >> On Tue, Jun 27, 2017 at 6:26 AM, Jens Axboe <axboe@xxxxxxxxx> wrote:
> >>> On 06/27/2017 05:39 AM, Elena Reshetova wrote:
> >>>> Changes in v3:
> >>>> No changes in patches apart from trivial rebases, but now by
> >>>> default refcount_t = atomic_t and uses all atomic standard operations
> >>>> unless CONFIG_REFCOUNT_FULL is enabled. This is a compromize for the
> >>>> systems that are critical on performance and cannot accept even
> >>>> slight delay on the refcounter operations.
> >>>
> >>> Is that true in 4.12-rc, or is that true in a later release once
> >>> Linus has pulled those changes in? If the latter, please resend
> >>> this when those changes are in, thanks.
> >>
> >> It's in -next currently ("locking/refcount: Create unchecked atomic_t
> >> implementation")
> >
> > I would really like to start discussion on the these patches asap
> > since it normally takes some adjustments etc. before they can be
> > merged and we want many changes to go into next release round and not
> > to miss the merge window.
> 
> As far as I'm concerned, there's no need for a discussion on these. If
> the other patches go in to make it as light weight as what we currently
> have, then I'm fine with it. I can queue it up for post initial merge
> submission.

Ok, fair enough. Thank you very much!

Best Regards,
Elena.

> 
> --
> Jens Axboe





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