Received: by 2002:a05:6902:102b:0:0:0:0 with SMTP id x11csp1937119ybt; Thu, 2 Jul 2020 18:36:35 -0700 (PDT) X-Google-Smtp-Source: ABdhPJxAgX9v8gwreDY89433JtL+vgUW4+I5s6dsE+/D4fnAJ2O2x+2XAG565ubMgRXJaDbfvR2b X-Received: by 2002:a17:907:7290:: with SMTP id dt16mr29295887ejc.63.1593740195514; Thu, 02 Jul 2020 18:36:35 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1593740195; cv=none; d=google.com; s=arc-20160816; b=X18jsM+1dDfXrEwcs2FbbI1Y+mELr29eZUeTuM7jIXKJwJnUb3FZ1saDtl1awzYM6t QdTqQZ998lVgnGs72LWbwACbbkixx+gUH0peOq4BfKny8DT8o9L5oV03dVw+YdEaNZYN HLOfaDAuWGgymqkyklJAnpueJWCoZefSHBfIvX4nXXdomA8TFXaen4ddZaqpkqZz2Fc/ PEOBsX/OrOQJMZCjeh648viDTZS2cm2J1YzAwJVLm7YL3/xpoojX7a+ErIXxJ904RLji TZXM3lUPmIXASiLIBINujNU7oIcjhaldF8oBGQkQOjJKgQxc/EMtT47fD4EEThT38cTS BedA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:content-transfer-encoding :content-language:in-reply-to:mime-version:user-agent:date :message-id:from:references:cc:to:subject; bh=LpUvlu3MnnqsObm6sWnHGA/zfqwXLPyfheyb5aXuZxY=; b=wcw/C/7N87QM1wdjmX+qjjPnZZeBmIYIAj6EvlHfL5RXVPqm7AVi5fQehDslW9tvbd oUdsW4ec7yd6Xvn1hF2vSDatf2WWQ+HyJ/fHGzaZQMVSAZocAqwomBpZp9lMAEfUbh+O 0lcBXeZNA3udBuewzwwlA88nipF/bZmgoGdcxkk7tdUckYyClcozZA7WCMIS/uodL6xJ FydVoCDupgU624YtINvHny8oFi9RSGS2ZenxmspvGQDMGs8ZSpoS2zljz/ynWVCt/7lU sMd4XX1TNVWylpKmpztpWMnCsQGCq14PG4UDPRFIZZV53plpbe0M/8g5XeurtaK9jUIM yuTg== ARC-Authentication-Results: i=1; mx.google.com; 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 Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id bj4si7356819ejb.540.2020.07.02.18.36.13; Thu, 02 Jul 2020 18:36:35 -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; 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 S1726645AbgGCBfF (ORCPT + 99 others); Thu, 2 Jul 2020 21:35:05 -0400 Received: from szxga04-in.huawei.com ([45.249.212.190]:7360 "EHLO huawei.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1726017AbgGCBfF (ORCPT ); Thu, 2 Jul 2020 21:35:05 -0400 Received: from DGGEMS412-HUB.china.huawei.com (unknown [172.30.72.60]) by Forcepoint Email with ESMTP id E61548CA0A9A23D04919; Fri, 3 Jul 2020 09:35:01 +0800 (CST) Received: from [10.134.22.195] (10.134.22.195) by smtp.huawei.com (10.3.19.212) with Microsoft SMTP Server (TLS) id 14.3.487.0; Fri, 3 Jul 2020 09:35:01 +0800 Subject: Re: [f2fs-dev] [PATCH v3] f2fs: avoid readahead race condition To: Jaegeuk Kim CC: Nathan Chancellor , , , References: <20200624012148.180050-1-jaegeuk@kernel.org> <20200629150323.GA3293033@google.com> <20200629202720.GA230664@google.com> <20200630204348.GA2504307@ubuntu-s3-xlarge-x86> <20200630205635.GB1396584@google.com> <285a4e16-2cbc-d1e9-8464-8a06bacbaaa0@huawei.com> <20200701161442.GB1724572@google.com> From: Chao Yu Message-ID: <181332c0-f60f-6438-6c79-e3a67f58c4ba@huawei.com> Date: Fri, 3 Jul 2020 09:34:59 +0800 User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:52.0) Gecko/20100101 Thunderbird/52.9.1 MIME-Version: 1.0 In-Reply-To: <20200701161442.GB1724572@google.com> Content-Type: text/plain; charset="utf-8" Content-Language: en-US Content-Transfer-Encoding: 7bit X-Originating-IP: [10.134.22.195] X-CFilter-Loop: Reflected Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 2020/7/2 0:14, Jaegeuk Kim wrote: > How about v4? It looks good to me. Thanks,