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