From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.1 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 943F7C47254 for ; Tue, 5 May 2020 14:21:48 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 72D1E20675 for ; Tue, 5 May 2020 14:21:48 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="tuCqbnvR" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730361AbgEEOVr (ORCPT ); Tue, 5 May 2020 10:21:47 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50086 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1729915AbgEEOVn (ORCPT ); Tue, 5 May 2020 10:21:43 -0400 Received: from mail-pl1-x644.google.com (mail-pl1-x644.google.com [IPv6:2607:f8b0:4864:20::644]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 3DA80C061A0F for ; Tue, 5 May 2020 07:21:43 -0700 (PDT) Received: by mail-pl1-x644.google.com with SMTP id u10so876516pls.8 for ; Tue, 05 May 2020 07:21:43 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=subject:to:cc:references:from:message-id:date:user-agent :mime-version:in-reply-to:content-transfer-encoding:content-language; bh=eAUuDffef+SKab6BV2gqJGaP2t29oArGlcFYJfwH38U=; b=tuCqbnvR1GkWNemBW671Bn9V6e9Y1SHREsa4AEipbKin/vpc+1ek5T5KgnHQnwmVBs 1AvEz6DMQa03Zbbbi6nMpmUs1dcd6jWZUtKwr+WaYPBnMhHO5U8itz1WBcZxWbb8SbVB nloUXBdOWHcSeiqIXiPk5hST46aIhSh98bI3EHLpki1W+x1dvvFeMWc5ggcPKFwld2SY WaAr/fseUTNKgh8CWhAlGqSk1XQl2FQOoqOVym7rstXcEqiAIolGEcouCZVEA8cWxy9t 5IGVglH9r0elFsQQRStQkosB0y1WSJN/T2McNQQpDLWoPvHr2Sg1HFAXKb1Qu5A76/Lg RGuQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:to:cc:references:from:message-id:date :user-agent:mime-version:in-reply-to:content-transfer-encoding :content-language; bh=eAUuDffef+SKab6BV2gqJGaP2t29oArGlcFYJfwH38U=; b=SJokVnxTBKuVR5uQfM3pttKmN2CdEJXF5sZHqp5VQT5lvv3TWjYHteQMioLdp+rfUc 8FKDFjFrTclWFSh7EJwImNl04NjnSqpW1IZhrcDnBZvUjKClUpWpBzbGrVZ4RdQK0ksp p8hDjol7taA9bnX+791scQBvUkU9IkabsMJ3o6WirUhvgY3d9mjF0nPmyDWt8kDWsvKd 9y0bx2w/wGyX6NdWUrlPqrjj3ispdJoRyseCpng6K9yzRDKWNN3nsWUM8l029gsIL3hB BQFjdU85IOasvZc3ZyVU0Gv57YJvEl3SoO61uxHmoncE9QsVQxGjMUQZNyWWQFP38KCF vu+w== X-Gm-Message-State: AGi0PubuLZHiqEZbkaWWum81+tS/vNkFS289tQRjrVTCwV+7E6yS6VeS 4cBMwDPFoy2NS1L6M9xGv86SFkJlIi3mXQ== X-Google-Smtp-Source: APiQypLtMbBtDxHog4ustBbrIiIeMpG8jnVA0urpR7RWuus7RBw9XgTQgxEw7+Q4LWVAMFuB9Q0WmQ== X-Received: by 2002:a17:90a:d711:: with SMTP id y17mr3375951pju.11.1588688502228; Tue, 05 May 2020 07:21:42 -0700 (PDT) Received: from [192.168.1.7] ([120.244.110.63]) by smtp.gmail.com with ESMTPSA id l16sm1687705pgh.35.2020.05.05.07.21.36 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 05 May 2020 07:21:41 -0700 (PDT) Subject: Re: [PATCH v2] fs: jfs: fix a possible data race in metapage_writepage() To: Markus Elfring , Jia-Ju Bai , jfs-discussion@lists.sourceforge.net Cc: Dave Kleikamp , linux-kernel@vger.kernel.org References: <20200505135313.28793-1-baijiaju1990@gmail.com> From: Jia-Ju Bai Message-ID: <05f9211d-6f57-b613-b584-a6d84b163645@gmail.com> Date: Tue, 5 May 2020 22:21:20 +0800 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:68.0) Gecko/20100101 Thunderbird/68.4.1 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 8bit Content-Language: en-US Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 2020/5/5 22:15, Markus Elfring wrote: >> This data race is found by our concurrency fuzzer. > * How do you think about to replace the word “is” by “was”? Okay. > * Is this analysis tool publicly available? Not yet, because we are still developing this tool... > > … >> --- >> fs/jfs/jfs_metapage.c | 11 +++++++++-- > I suggest to omit the triple dashes before this information. Okay, thanks. Best wishes, Jia-Ju Bai