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=-15.3 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,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 06660C433E0 for ; Sun, 21 Feb 2021 13:23:33 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id B6EA564EEC for ; Sun, 21 Feb 2021 13:23:32 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229735AbhBUNXc (ORCPT ); Sun, 21 Feb 2021 08:23:32 -0500 Received: from out30-133.freemail.mail.aliyun.com ([115.124.30.133]:36640 "EHLO out30-133.freemail.mail.aliyun.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229606AbhBUNXb (ORCPT ); Sun, 21 Feb 2021 08:23:31 -0500 X-Alimail-AntiSpam: AC=PASS;BC=-1|-1;BR=01201311R141e4;CH=green;DM=||false|;DS=||;FP=0|-1|-1|-1|0|-1|-1|-1;HT=e01e04420;MF=haoxu@linux.alibaba.com;NM=1;PH=DS;RN=3;SR=0;TI=SMTPD_---0UP6rv01_1613913766; Received: from B-25KNML85-0107.local(mailfrom:haoxu@linux.alibaba.com fp:SMTPD_---0UP6rv01_1613913766) by smtp.aliyun-inc.com(127.0.0.1); Sun, 21 Feb 2021 21:22:46 +0800 Subject: Re: [PATCH v2 0/4] rsrc quiesce fixes/hardening v2 To: Pavel Begunkov , Jens Axboe , io-uring@vger.kernel.org References: From: Hao Xu Message-ID: Date: Sun, 21 Feb 2021 21:22:46 +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: Content-Type: text/plain; charset=gbk; format=flowed Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: io-uring@vger.kernel.org ÔÚ 2021/2/21 ÉÏÎç2:03, Pavel Begunkov дµÀ: > v2: concurrent quiesce avoidance (Hao) > resurrect-release patch > > Pavel Begunkov (4): > io_uring: zero ref_node after killing it > io_uring: fix io_rsrc_ref_quiesce races > io_uring: keep generic rsrc infra generic > io_uring: wait potential ->release() on resurrect > > fs/io_uring.c | 96 ++++++++++++++++++++++++--------------------------- > 1 file changed, 45 insertions(+), 51 deletions(-) > I tested this patchset with the same tests for "io_uring: don't hold uring_lock ..." Tested-by: Hao Xu