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

[Jens Axboe]

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.

-- 
Jens Axboe