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=-10.3 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,NICE_REPLY_A, SPF_HELO_NONE,SPF_PASS,UNPARSEABLE_RELAY,USER_AGENT_SANE_1 autolearn=ham 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 1F47CC433DB for ; Sat, 20 Feb 2021 06:33:48 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id E33E964E4E for ; Sat, 20 Feb 2021 06:33:47 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229525AbhBTGdc (ORCPT ); Sat, 20 Feb 2021 01:33:32 -0500 Received: from out30-56.freemail.mail.aliyun.com ([115.124.30.56]:35949 "EHLO out30-56.freemail.mail.aliyun.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229802AbhBTGdb (ORCPT ); Sat, 20 Feb 2021 01:33:31 -0500 X-Alimail-AntiSpam: AC=PASS;BC=-1|-1;BR=01201311R191e4;CH=green;DM=||false|;DS=||;FP=0|-1|-1|-1|0|-1|-1|-1;HT=alimailimapcm10staff010182156082;MF=haoxu@linux.alibaba.com;NM=1;PH=DS;RN=3;SR=0;TI=SMTPD_---0UP03tWY_1613802759; Received: from B-25KNML85-0107.local(mailfrom:haoxu@linux.alibaba.com fp:SMTPD_---0UP03tWY_1613802759) by smtp.aliyun-inc.com(127.0.0.1); Sat, 20 Feb 2021 14:32:40 +0800 Subject: Re: [PATCH 0/3] rsrc quiesce fixes/hardening To: Pavel Begunkov , Jens Axboe , io-uring@vger.kernel.org References: <1253a9e9-fbf4-4289-ae36-2768c682d6b5@gmail.com> From: Hao Xu Message-ID: <52268a17-d8cc-7a6d-258c-beb9fe9eff30@linux.alibaba.com> Date: Sat, 20 Feb 2021 14:32:39 +0800 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:78.0) Gecko/20100101 Thunderbird/78.7.0 MIME-Version: 1.0 In-Reply-To: <1253a9e9-fbf4-4289-ae36-2768c682d6b5@gmail.com> Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: io-uring@vger.kernel.org 在 2021/2/20 上午4:49, Pavel Begunkov 写道: > On 19/02/2021 20:45, Pavel Begunkov wrote: >> 1/3 addresses new races in io_rsrc_ref_quiesce(), others are hardenings. > > s/1/2/ > > Hao, any chance you guys can drag these patches through the same > tests you've done for "io_uring: don't hold uring_lock ..."? > gotcha, will test it soon. >> >> Pavel Begunkov (3): >> io_uring: zero ref_node after killing it >> io_uring: fix io_rsrc_ref_quiesce races >> io_uring: keep generic rsrc infra generic >> >> fs/io_uring.c | 65 +++++++++++++++++---------------------------------- >> 1 file changed, 21 insertions(+), 44 deletions(-) >> >