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

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Message-ID: <cbbb6a1f-3203-9523-f47b-227fd646fd29@kernel.dk>
Date:   Tue, 27 Jun 2017 07:26:55 -0600
From:   Jens Axboe <axboe@...nel.dk>
To:     Elena Reshetova <elena.reshetova@...el.com>
Cc:     james.bottomley@...senpartnership.com,
        linux-kernel@...r.kernel.org, linux-block@...r.kernel.org,
        linux-scsi@...r.kernel.org, linux-btrfs@...r.kernel.org,
        peterz@...radead.org, gregkh@...uxfoundation.org,
        keescook@...omium.org, fujita.tomonori@....ntt.co.jp,
        mingo@...hat.com, clm@...com, jbacik@...com, dsterba@...e.com
Subject: Re: [PATCH 0/5] v3 block subsystem refcounter conversions

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.

-- 
Jens Axboe