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[23.128.96.18]) by mx.google.com with ESMTP id z13si1246463eju.18.2020.05.05.07.34.04; Tue, 05 May 2020 07:34:28 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=pass header.i=@web.de header.s=dbaedf251592 header.b=iQZywJur; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729426AbgEEOco (ORCPT + 99 others); Tue, 5 May 2020 10:32:44 -0400 Received: from mout.web.de ([217.72.192.78]:53823 "EHLO mout.web.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727857AbgEEOcn (ORCPT ); Tue, 5 May 2020 10:32:43 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=web.de; s=dbaedf251592; t=1588689134; bh=eiN/8jcvXd/3eR7H/z4x5tDGR9+h/Kfp5pAzuCFyIT4=; h=X-UI-Sender-Class:Subject:To:Cc:References:From:Date:In-Reply-To; b=iQZywJur2D0eX9NAzFFowq9XvdvBnadZW/aqJFRhTegUyC5CpQjkq/N1PzmafOJIC cjBhxQ1hulRv3dO5ER6jOW+be036z2nywTDlkisLvgGX4ct3kqjXzEEk9AcNj4C3xB Ny99Y2WusSLuw/HgSwy3LZOAIE7PtiredI+PmPY0= X-UI-Sender-Class: c548c8c5-30a9-4db5-a2e7-cb6cb037b8f9 Received: from [192.168.1.2] ([78.48.132.123]) by smtp.web.de (mrweb105 [213.165.67.124]) with ESMTPSA (Nemesis) id 1Md6y1-1ixC611B9n-00aHWn; Tue, 05 May 2020 16:32:14 +0200 Subject: Re: [v2] fs: jfs: fix a possible data race in metapage_writepage() To: Jia-Ju Bai , jfs-discussion@lists.sourceforge.net Cc: Dave Kleikamp , linux-kernel@vger.kernel.org References: <20200505135313.28793-1-baijiaju1990@gmail.com> <05f9211d-6f57-b613-b584-a6d84b163645@gmail.com> From: Markus Elfring Autocrypt: addr=Markus.Elfring@web.de; prefer-encrypt=mutual; keydata= mQINBFg2+xABEADBJW2hoUoFXVFWTeKbqqif8VjszdMkriilx90WB5c0ddWQX14h6w5bT/A8 +v43YoGpDNyhgA0w9CEhuwfZrE91GocMtjLO67TAc2i2nxMc/FJRDI0OemO4VJ9RwID6ltwt mpVJgXGKkNJ1ey+QOXouzlErVvE2fRh+KXXN1Q7fSmTJlAW9XJYHS3BDHb0uRpymRSX3O+E2 lA87C7R8qAigPDZi6Z7UmwIA83ZMKXQ5stA0lhPyYgQcM7fh7V4ZYhnR0I5/qkUoxKpqaYLp YHBczVP+Zx/zHOM0KQphOMbU7X3c1pmMruoe6ti9uZzqZSLsF+NKXFEPBS665tQr66HJvZvY GMDlntZFAZ6xQvCC1r3MGoxEC1tuEa24vPCC9RZ9wk2sY5Csbva0WwYv3WKRZZBv8eIhGMxs rcpeGShRFyZ/0BYO53wZAPV1pEhGLLxd8eLN/nEWjJE0ejakPC1H/mt5F+yQBJAzz9JzbToU 5jKLu0SugNI18MspJut8AiA1M44CIWrNHXvWsQ+nnBKHDHHYZu7MoXlOmB32ndsfPthR3GSv jN7YD4Ad724H8fhRijmC1+RpuSce7w2JLj5cYj4MlccmNb8YUxsE8brY2WkXQYS8Ivse39MX BE66MQN0r5DQ6oqgoJ4gHIVBUv/ZwgcmUNS5gQkNCFA0dWXznQARAQABtCZNYXJrdXMgRWxm cmluZyA8TWFya3VzLkVsZnJpbmdAd2ViLmRlPokCVAQTAQgAPhYhBHDP0hzibeXjwQ/ITuU9 Figxg9azBQJYNvsQAhsjBQkJZgGABQsJCAcCBhUICQoLAgQWAgMBAh4BAheAAAoJEOU9Figx g9azcyMP/iVihZkZ4VyH3/wlV3nRiXvSreqg+pGPI3c8J6DjP9zvz7QHN35zWM++1yNek7Ar OVXwuKBo18ASlYzZPTFJZwQQdkZSV+atwIzG3US50ZZ4p7VyUuDuQQVVqFlaf6qZOkwHSnk+ CeGxlDz1POSHY17VbJG2CzPuqMfgBtqIU1dODFLpFq4oIAwEOG6fxRa59qbsTLXxyw+PzRaR LIjVOit28raM83Efk07JKow8URb4u1n7k9RGAcnsM5/WMLRbDYjWTx0lJ2WO9zYwPgRykhn2 sOyJVXk9xVESGTwEPbTtfHM+4x0n0gC6GzfTMvwvZ9G6xoM0S4/+lgbaaa9t5tT/PrsvJiob kfqDrPbmSwr2G5mHnSM9M7B+w8odjmQFOwAjfcxoVIHxC4Cl/GAAKsX3KNKTspCHR0Yag78w i8duH/eEd4tB8twcqCi3aCgWoIrhjNS0myusmuA89kAWFFW5z26qNCOefovCx8drdMXQfMYv g5lRk821ZCNBosfRUvcMXoY6lTwHLIDrEfkJQtjxfdTlWQdwr0mM5ye7vd83AManSQwutgpI q+wE8CNY2VN9xAlE7OhcmWXlnAw3MJLW863SXdGlnkA3N+U4BoKQSIToGuXARQ14IMNvfeKX NphLPpUUnUNdfxAHu/S3tPTc/E/oePbHo794dnEm57LuuQINBFg2+xABEADZg/T+4o5qj4cw nd0G5pFy7ACxk28mSrLuva9tyzqPgRZ2bdPiwNXJUvBg1es2u81urekeUvGvnERB/TKekp25 4wU3I2lEhIXj5NVdLc6eU5czZQs4YEZbu1U5iqhhZmKhlLrhLlZv2whLOXRlLwi4jAzXIZAu 76mT813jbczl2dwxFxcT8XRzk9+dwzNTdOg75683uinMgskiiul+dzd6sumdOhRZR7YBT+xC wzfykOgBKnzfFscMwKR0iuHNB+VdEnZw80XGZi4N1ku81DHxmo2HG3icg7CwO1ih2jx8ik0r riIyMhJrTXgR1hF6kQnX7p2mXe6K0s8tQFK0ZZmYpZuGYYsV05OvU8yqrRVL/GYvy4Xgplm3 DuMuC7/A9/BfmxZVEPAS1gW6QQ8vSO4zf60zREKoSNYeiv+tURM2KOEj8tCMZN3k3sNASfoG fMvTvOjT0yzMbJsI1jwLwy5uA2JVdSLoWzBD8awZ2X/eCU9YDZeGuWmxzIHvkuMj8FfX8cK/ 2m437UA877eqmcgiEy/3B7XeHUipOL83gjfq4ETzVmxVswkVvZvR6j2blQVr+MhCZPq83Ota xNB7QptPxJuNRZ49gtT6uQkyGI+2daXqkj/Mot5tKxNKtM1Vbr/3b+AEMA7qLz7QjhgGJcie qp4b0gELjY1Oe9dBAXMiDwARAQABiQI8BBgBCAAmFiEEcM/SHOJt5ePBD8hO5T0WKDGD1rMF Alg2+xACGwwFCQlmAYAACgkQ5T0WKDGD1rOYSw/+P6fYSZjTJDAl9XNfXRjRRyJSfaw6N1pA Ahuu0MIa3djFRuFCrAHUaaFZf5V2iW5xhGnrhDwE1Ksf7tlstSne/G0a+Ef7vhUyeTn6U/0m +/BrsCsBUXhqeNuraGUtaleatQijXfuemUwgB+mE3B0SobE601XLo6MYIhPh8MG32MKO5kOY hB5jzyor7WoN3ETVNQoGgMzPVWIRElwpcXr+yGoTLAOpG7nkAUBBj9n9TPpSdt/npfok9ZfL /Q+ranrxb2Cy4tvOPxeVfR58XveX85ICrW9VHPVq9sJf/a24bMm6+qEg1V/G7u/AM3fM8U2m tdrTqOrfxklZ7beppGKzC1/WLrcr072vrdiN0icyOHQlfWmaPv0pUnW3AwtiMYngT96BevfA qlwaymjPTvH+cTXScnbydfOQW8220JQwykUe+sHRZfAF5TS2YCkQvsyf7vIpSqo/ttDk4+xc Z/wsLiWTgKlih2QYULvW61XU+mWsK8+ZlYUrRMpkauN4CJ5yTpvp+Orcz5KixHQmc5tbkLWf x0n1QFc1xxJhbzN+r9djSGGN/5IBDfUqSANC8cWzHpWaHmSuU3JSAMB/N+yQjIad2ztTckZY pwT6oxng29LzZspTYUEzMz3wK2jQHw+U66qBFk8whA7B2uAU1QdGyPgahLYSOa4XAEGb6wbI FEE= Message-ID: <074b3682-054a-d2ec-8142-1d87e1e97ed6@web.de> Date: Tue, 5 May 2020 16:32:13 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.7.0 MIME-Version: 1.0 In-Reply-To: <05f9211d-6f57-b613-b584-a6d84b163645@gmail.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-GB Content-Transfer-Encoding: quoted-printable X-Provags-ID: V03:K1:HEzblqaHxK5qRM/SOxgAaO9AMJbHBSzUS3DoNDekGx9qS3LmNhU kk0Qu31jJ/IbWxic13Oo/LrRwLNgeWT7CUQIofVe7D/5qXysOPvMFXfRAZecKMr3X1d9yzG 0WxPb9i09J11M93K6YDXbJDGDsIkHpGJJx+2qP7OAL9ZrLHeEyy4Ux5e5e6vIQSnb1AH34V ThYBmZco1ZTUFt0sriDOA== X-Spam-Flag: NO X-UI-Out-Filterresults: notjunk:1;V03:K0:c/EJrkYG0Q8=:wEsFMfzOSmcvcgizF5Pcz4 8cBwCsQshgnBgyvDZWvSdLoYLwH0gLrlH3Q6P8bLggas2X90DGlbePpsgJpvKJeYW6b8cVMrb j0FiWLDysHBHkRDHH+JGhvwvdnHpinY6EzzeqMx49SI0YRZW8GgUiM1LM9SLikR1ZBgOU/J1D IK2QhYWr6XjwxFgh4qO35YFxuqG7zy7FSpNEeLZ9Np8oOnsejaOAMeJveLS+akOS6bk1EnCxe ryjFJSLCrZ3cg+14mNwQVb8EFjruCDIi8LgP44d4V6bZF1fjMCBVALPfr24kPBfhOZb6aUFOf JYky/zoY1+lmcZwR4ZuflY1iQFPuovdesqVVtcdh22o68r8ZPSV+/yynaUFLSZd1RJRgNNhl6 HeL8cpsygDvviNuoJPvdCYvKh2g7Lq+IlUhAh+vfhJlPRTF1dFuinzctZCh+Dg7M/Cm/aeWqO 9r54WBWnGdtXPZZxy7CszIaRp3tQ3qOWlKNT/Wilv7ufc5sMrkKNW5qrg5DEIIhS13yBO9H+L 0L1iholXvdyvUAvbfzTd3VaQNVFKUuarjR9KSaUITuMlk0XpssqZe5Afdee+8FUPH1MRv+lSd 3kp3nrBYFLs+0q44X0trzK8Ml4+zEPFGUxZnYWhe/aKyB3zo7xFB5Ih8fpG0GJ6dos+wMunft q+fs3cKyzhTEeb6N2TEMC66IGSxTeoT1us4qMGdXOVDjp9h908SDcO73hk6FiHIjax4nvcy9n SOA6hWVXRjr0s3BAri+saqWtNPrYT5778IGFQqafjmTcTU3WlMibkHKYJPax7SL6bLI+tBFP1 nJ/i8vDLeOmIBiLFoKesB/Y3+doiRAWEarAmZPpcHygRl8wCgTBbsdMfp7mA6Q/IzAZmExg20 sMg2CTlDbZa0hqK1NPoMB8Kt80ZeOn4F53UNGD3ZSojnNOxNTH6jCMlTOlCvoimFV2n6V3qno nSTFw/HCeT8+VKtqiSeLMjyzXq0KiK6HCEgi3AzicQTCzk0ICz50FJTCzJL4H0lhMAJO5ZfLu hyRBclOnjpnJI3jUPNpBScibPDmHNKxYizWyw87yMEdQTdcbAnXyN0QtWA5Q3Vq8rW0XCtwy2 vyMRRB5mVNnPxhtCgnSofHnCf2voQFzm5IZeCm3RxP6n7eMpBbvzj3ph1WOCV+3JCD05a7z1l yBYne5FREvHQwCv0mF4JpldUCwBwLDbTL1sCOpQxeOOLzMUTlc8J80TMuLKo49m2UpiVZOBzc +vqgjSgyZt9xLN1Yp Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org >>> This data race is found by our concurrency fuzzer. >> * How do you think about to replace the word =E2=80=9Cis=E2=80=9D by = =E2=80=9Cwas=E2=80=9D? > > Okay. Can such a positive feedback influence the change descriptions for any of your other patches? Regards, Markus