Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753051AbdF0N1H (ORCPT ); Tue, 27 Jun 2017 09:27:07 -0400 Received: from mail-pf0-f180.google.com ([209.85.192.180]:35873 "EHLO mail-pf0-f180.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752444AbdF0N07 (ORCPT ); Tue, 27 Jun 2017 09:26:59 -0400 Subject: Re: [PATCH 0/5] v3 block subsystem refcounter conversions To: Elena Reshetova Cc: james.bottomley@hansenpartnership.com, linux-kernel@vger.kernel.org, linux-block@vger.kernel.org, linux-scsi@vger.kernel.org, linux-btrfs@vger.kernel.org, peterz@infradead.org, gregkh@linuxfoundation.org, keescook@chromium.org, fujita.tomonori@lab.ntt.co.jp, mingo@redhat.com, clm@fb.com, jbacik@fb.com, dsterba@suse.com References: <1498563601-10949-1-git-send-email-elena.reshetova@intel.com> From: Jens Axboe Message-ID: Date: Tue, 27 Jun 2017 07:26:55 -0600 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.1.1 MIME-Version: 1.0 In-Reply-To: <1498563601-10949-1-git-send-email-elena.reshetova@intel.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 567 Lines: 14 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