Received: by 2002:a05:6a10:af89:0:0:0:0 with SMTP id iu9csp1245458pxb;
        Fri, 21 Jan 2022 13:14:30 -0800 (PST)
X-Google-Smtp-Source: ABdhPJwtffipZVsArDcJcLm3RYM67qk56DOC8bm7OklhRfFK3/DYwDYZ0Ty3/Bmd54EfRVWS6N02
X-Received: by 2002:a05:6a00:2389:b0:4c5:a842:f54 with SMTP id f9-20020a056a00238900b004c5a8420f54mr5092909pfc.47.1642799670351;
        Fri, 21 Jan 2022 13:14:30 -0800 (PST)
ARC-Seal: i=1; a=rsa-sha256; t=1642799670; cv=none;
        d=google.com; s=arc-20160816;
        b=FhJ2QMYEPd/JyP4TE7NL3YgJ28DFFMqPJ3ZlouMais+Z04TQ7pvTlGMPs6/KMIduhx
         N85EHieqI2pcMh/R/3Y6dmNcsWs7coYbA2PLaWTJe298lLX9Mn0tTTSMkfozFE43rwV2
         ofpUPSnThaEwQoMvGfWjmrQNRZQcIeFpIc4wf/jRX8NdKmDjQQzeofMkJAADayhYgxZC
         U3gW5I8PIJBIr2wN5Jnn3jD0adF5acUmvN/V7GeS/LEy71g/XRIp2TjLlS5B90yHgBjv
         ijFpIXNgaAWBaEeQBShW6/r3DBLTNCu86XnR+JvSXnm2+M7CfPEPMulmC6EKveikpnrn
         TQwg==
ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816;
        h=list-id:precedence:in-reply-to:content-disposition:mime-version
         :references:message-id:subject:cc:to:from:date:dkim-signature;
        bh=miTZg2pVFmJuzEKwmZN7RGqLaJXxQpzXayXIfG5hwT4=;
        b=poOi0XEsO9mc7H7IqY8X8yjQqFMrn9HADruHScyufn9iYym6MBghukn+aH/HHxsw5V
         Lzi35VECzGmLBsg3Okk4XDswCMGJiGpcOjJVi6ofD29IYyWNCPAqXnYUvo4qgZOEAT6z
         Pyq23CrVp+B/OQvaWa98MsA7BaAYYmc0StqqH4cxNjjlwT2WIoXzTQZhOOM+CBSaiIG+
         f30sqSXqCL3Rw+BSFBMwVVG4QCW8ofOi7lOGg4LOn2XSvfVk6AKDw4zL/OM7eChE3hs2
         ujPR/NvguBSW2h/oGJ/7Zo6urnG/qXTq0rkYLBetb9did4AIdSIVpaEY3lNAitCB+1yP
         jizA==
ARC-Authentication-Results: i=1; mx.google.com;
       dkim=pass header.i=@infradead.org header.s=bombadil.20210309 header.b=B8jytzy0;
       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 p5si3935541plo.424.2022.01.21.13.14.18;
        Fri, 21 Jan 2022 13:14:30 -0800 (PST)
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;
       dkim=pass header.i=@infradead.org header.s=bombadil.20210309 header.b=B8jytzy0;
       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 S1359669AbiATJzS (ORCPT <rfc822;stevenley.huang@gmail.com>
        + 99 others); Thu, 20 Jan 2022 04:55:18 -0500
Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53504 "EHLO
        lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org
        with ESMTP id S1359671AbiATJzQ (ORCPT
        <rfc822;linux-kernel@vger.kernel.org>);
        Thu, 20 Jan 2022 04:55:16 -0500
Received: from bombadil.infradead.org (bombadil.infradead.org [IPv6:2607:7c80:54:e::133])
        by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1133CC061574;
        Thu, 20 Jan 2022 01:55:15 -0800 (PST)
DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed;
        d=infradead.org; s=bombadil.20210309; h=In-Reply-To:Content-Type:MIME-Version
        :References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To:
        Content-Transfer-Encoding:Content-ID:Content-Description;
        bh=miTZg2pVFmJuzEKwmZN7RGqLaJXxQpzXayXIfG5hwT4=; b=B8jytzy0tMkYJ1DNic83kx/OVa
        rOI38O1V85EZvBqrIOlpU1Vqc0ErYUcgCKTWZO0DQehpEZ2K/vC3dZMl6+gDudWHfh6c6GGyxUHfT
        9mzV+DNQ524FhTt0IDEP1irIm3ivGiiJ894mIEGPTzyD7mEACFxu0oUopl4d/qnR9nPrQUGOLopjx
        m2s9hD1iEcLp0nLi00AoIo7KeeMPx4qbjlau0B4tGWdUwm/2yDzt6zFTeA0VCPCEdiwDddXnI8gag
        inwi+ILJHSES2Kvx+sEC4ByPXyDkEbeTQ8uFZ4fhjiWzpn7EtluQMJZkonkfc/8+b6ht+CmIwHNpR
        OjgBMd5g==;
Received: from hch by bombadil.infradead.org with local (Exim 4.94.2 #2 (Red Hat Linux))
        id 1nAU9n-00AOBe-9r; Thu, 20 Jan 2022 09:55:03 +0000
Date:   Thu, 20 Jan 2022 01:55:03 -0800
From:   Christoph Hellwig <hch@infradead.org>
To:     Jane Chu <jane.chu@oracle.com>
Cc:     david@fromorbit.com, djwong@kernel.org, dan.j.williams@intel.com,
        hch@infradead.org, vishal.l.verma@intel.com, dave.jiang@intel.com,
        agk@redhat.com, snitzer@redhat.com, dm-devel@redhat.com,
        ira.weiny@intel.com, willy@infradead.org, vgoyal@redhat.com,
        linux-fsdevel@vger.kernel.org, nvdimm@lists.linux.dev,
        linux-kernel@vger.kernel.org, linux-xfs@vger.kernel.org
Subject: Re: [PATCH v3 0/7] DAX poison recovery
Message-ID: <Yekxd1/MboidZo4C@infradead.org>
References: <20220111185930.2601421-1-jane.chu@oracle.com>
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <20220111185930.2601421-1-jane.chu@oracle.com>
X-SRS-Rewrite: SMTP reverse-path rewritten from <hch@infradead.org> by bombadil.infradead.org. See http://www.infradead.org/rpr.html
Precedence: bulk
List-ID: <linux-kernel.vger.kernel.org>
X-Mailing-List: linux-kernel@vger.kernel.org

On Tue, Jan 11, 2022 at 11:59:23AM -0700, Jane Chu wrote:
> In v3, dax recovery code path is independent of that of
> normal write. Competing dax recovery threads are serialized,
> racing read threads are guaranteed not overlapping with the
> recovery process.
> 
> In this phase, the recovery granularity is page, future patch
> will explore recovery in finer granularity.

What tree is this against? I can't apply it to either 5.16 or Linus'
current tree.