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 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 6FD2FC433EF for ; Fri, 15 Oct 2021 08:28:17 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 52B9F6115C for ; Fri, 15 Oct 2021 08:28:17 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234301AbhJOIaW (ORCPT ); Fri, 15 Oct 2021 04:30:22 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56432 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234347AbhJOIaV (ORCPT ); Fri, 15 Oct 2021 04:30:21 -0400 Received: from mail-pf1-x432.google.com (mail-pf1-x432.google.com [IPv6:2607:f8b0:4864:20::432]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 38ABDC061753; Fri, 15 Oct 2021 01:28:15 -0700 (PDT) Received: by mail-pf1-x432.google.com with SMTP id 187so7747620pfc.10; Fri, 15 Oct 2021 01:28:15 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=subject:to:cc:references:from:message-id:date:user-agent :mime-version:in-reply-to:content-transfer-encoding:content-language; bh=0aqBuWR/hjYtneqE/EKmSXtyBEhLi33Qu/EPQ3pbTwk=; b=JNv/uNihnC9ZTKvWuE+dOSpWNoWgeykFPIeW60bQOwVPpbG3xspXVY0q6prlpAwCdi mXLeWr1Wv+JVdxp5kR/6lVDN83tGSveA81mEakrlOb+4j789IWch2QFR17EJTEQnOUvy bCEUASIoVm4zTzXsouTG8xdIL8Uri3dHoYOggLO54e/3VPNTcdyr8IMXujz+p3/WNTlK BoMoQcfQQk9fW5kRVqqyCUGMLAfCLt0L1wvBz070Hqoo3ak1YpnpUMWBpTGhZivHUQru 800WLa65auzYDemxZFJkyIO3qY1VHe/9ZsGIM7ADvmf6Iof2Qcm/hXq4fbUcca3KYjYR touA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; 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=0aqBuWR/hjYtneqE/EKmSXtyBEhLi33Qu/EPQ3pbTwk=; b=z1dmOMw6nwkIPf117MckPHtfFyW4f7JMdEHcfHJDHjrl5gBKcMQucTz5E+k9jTluSu 3pCVnNzvcAR+BlOhIEdwP7Rm7sOivXWSyrozlIs+joO5vjfCN5Ez8ryF95PNiuKbsqtz XERB9HPgyH5ETsXINKuCZq23o14v+GjC7gOJhEBx98pzBqv8fr4ymH1w0EectDgh/KnE ePiymd4+FZW60GcAmP8A/h1F72XuD5qWLBxpkDeQPBA4OUf32RbgPoO03l2RpRA6CSwH rTRu+xfLV61GQkbToCOY3RSn6Q7JDUsAIub0Obox29h28Piac0d58Cz1+25CmljhqxI3 39Cg== X-Gm-Message-State: AOAM533D07z0VKEZM4N3xufMV8E07+97u3XWYsbgHjj8mPhRI0zDTrXm b47BcCrxVkPdrGQQGps119ZpaDcnXa2r55B0 X-Google-Smtp-Source: ABdhPJyxrCEVpejQ4OJkevuwlmPh1MUAOadDoiEQ7vhRA8mDXeGHPS8knVE5utP08N831l8WtS3gdw== X-Received: by 2002:a05:6a00:17a9:b0:44c:b95f:50a4 with SMTP id s41-20020a056a0017a900b0044cb95f50a4mr10189283pfg.6.1634286494401; Fri, 15 Oct 2021 01:28:14 -0700 (PDT) Received: from [172.18.2.138] ([137.59.101.13]) by smtp.gmail.com with ESMTPSA id k14sm4320162pga.65.2021.10.15.01.28.12 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 15 Oct 2021 01:28:14 -0700 (PDT) Subject: Re: [PATCH] fs: inode: use queue_rcu_work() instead of call_rcu() To: Christoph Hellwig Cc: willy@infradead.org, akpm@linux-foundation.org, sunhao.th@gmail.com, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org References: <20211015080216.4871-1-qiang.zhang1211@gmail.com> From: Zqiang Message-ID: Date: Fri, 15 Oct 2021 16:28:10 +0800 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.11.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 8bit Content-Language: en-US Precedence: bulk List-ID: X-Mailing-List: linux-fsdevel@vger.kernel.org On 2021/10/15 下午4:04, Christoph Hellwig wrote: > NAK. > > 1. We need to sort ounderlying issue first as I already said _twice_. > 2. this has a major penality on all file systems This problem report by sunhao,  the log https://drive.google.com/file/d/1M5oyA_IcWSDB2XpnoX8SDmKJA3JhKltz/view?usp=sharing but I can not find useful information, not sure if it is related to the loop device driver. are you mean There is a problem about inode lifetime ? Thanks Zqiang