Received: by 2002:a25:ca44:0:0:0:0:0 with SMTP id a65csp1621848ybg;
        Wed, 29 Jul 2020 20:40:35 -0700 (PDT)
X-Google-Smtp-Source: ABdhPJwOE1jOsNVK/YlWHebMhZghv68rwWLU8mHBL6tGOxcFkTXC6banXiHxxWAZSiSjzggwo+gt
X-Received: by 2002:a17:906:a081:: with SMTP id q1mr624549ejy.499.1596080435131;
        Wed, 29 Jul 2020 20:40:35 -0700 (PDT)
ARC-Seal: i=1; a=rsa-sha256; t=1596080435; cv=none;
        d=google.com; s=arc-20160816;
        b=MbCyFkhc7FE+BSSeqd5KlPV0x3VoUiRJ4c8PYjCshibEp7l0KNZgcKPpF+ZnnD/zdL
         8jMEbuleGVOrvxz2ai8FtsvNO7IZOP7BpMvtL1jI05wnao4GDtjm9TMHIXSt/xsMHcrS
         xfwS0nqKJcrwBlPp+ACBXw/Q1BwEncZtA1+N9AcjiOufU+iSmAioi9QnbtFgsooJbwk6
         CQRp/3MaFeRju57Rvewt6rDrPgR4bjhHGixUO6en842Pp1kzC2jD6ysPydIXTtGqpLTG
         hpRKG0n33AnjZ+0uoiXjs/9zszPQF3yDslQqOeMRVCfjYJRd+PVAbk1bNCaoBPXv5C3b
         9V+w==
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:in-reply-to
         :mime-version:user-agent:date:message-id:from:references:cc:to
         :subject;
        bh=5RRC+tdP17vHQc+YWEAYru2izlumpHQQQQ1PW2ljLmQ=;
        b=vSJsU0TjgZao1/JH+8HBvWOiDToxCfe1iEXrCdPKCEJcO8zUxMGMDJ4O9tQ9OR++sv
         4N+BGMwGX9QoBbpXj5Bro3D6h9CEDmDhWErrS5M8GbZReL0BMl5sqQzdEsTIP1jiu8yF
         2Db+yqD5V81+E7NQfHksJHnkGrdzibiAX9T7GKKusRCVikXT+j8JuI7C3euHnddHQ27W
         TvyzErpmP5LIC6vamZ8ZIE3wJ8fsT0/TxP4Gz2agHjv1cjBomd9EMmckUtpT4do/RiKX
         WmM0AqYFQsvpFdgIq3bkHmC2CGPxtmyPrFMsEI+sSNFdHm7Ezweo+36LiUrbU0ZMm89U
         TqFg==
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: <linux-kernel-owner@vger.kernel.org>
Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18])
        by mx.google.com with ESMTP id o2si2424288edj.268.2020.07.29.20.40.12;
        Wed, 29 Jul 2020 20:40:35 -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 S1728539AbgG3Dju (ORCPT <rfc822;vinadhy@gmail.com> + 99 others);
        Wed, 29 Jul 2020 23:39:50 -0400
Received: from szxga07-in.huawei.com ([45.249.212.35]:34836 "EHLO huawei.com"
        rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP
        id S1726774AbgG3Dju (ORCPT <rfc822;linux-kernel@vger.kernel.org>);
        Wed, 29 Jul 2020 23:39:50 -0400
Received: from DGGEMS405-HUB.china.huawei.com (unknown [172.30.72.59])
        by Forcepoint Email with ESMTP id 8A30C1EE9F9AFAA22382;
        Thu, 30 Jul 2020 11:39:46 +0800 (CST)
Received: from [127.0.0.1] (10.174.179.103) by DGGEMS405-HUB.china.huawei.com
 (10.3.19.205) with Microsoft SMTP Server id 14.3.487.0; Thu, 30 Jul 2020
 11:39:38 +0800
Subject: Re: [RFC PATCH] iomap: add support to track dirty state of sub pages
To:     Matthew Wilcox <willy@infradead.org>
CC:     <hch@infradead.org>, <darrick.wong@oracle.com>,
        <linux-xfs@vger.kernel.org>, <linux-fsdevel@vger.kernel.org>,
        <linux-kernel@vger.kernel.org>, <yi.zhang@huawei.com>
References: <20200730011901.2840886-1-yukuai3@huawei.com>
 <20200730031934.GA23808@casper.infradead.org>
From:   "yukuai (C)" <yukuai3@huawei.com>
Message-ID: <98b561be-5aca-148f-5f69-2fd2b5dedff4@huawei.com>
Date:   Thu, 30 Jul 2020 11:39:37 +0800
User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:60.0) Gecko/20100101
 Thunderbird/60.8.0
MIME-Version: 1.0
In-Reply-To: <20200730031934.GA23808@casper.infradead.org>
Content-Type: text/plain; charset="gbk"; format=flowed
Content-Transfer-Encoding: 7bit
X-Originating-IP: [10.174.179.103]
X-CFilter-Loop: Reflected
Sender: linux-kernel-owner@vger.kernel.org
Precedence: bulk
List-ID: <linux-kernel.vger.kernel.org>
X-Mailing-List: linux-kernel@vger.kernel.org

On 2020/7/30 11:19, Matthew Wilcox wrote:
> Maybe let the discussion on removing the ->uptodate array finish
> before posting another patch for review?

Hi, Matthew!

Of course, I missed the discussion thread before sending this path.
And thanks for your suggestions.

Best regards,
Yu Kuai