From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-pj1-f44.google.com (mail-pj1-f44.google.com [209.85.216.44]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id D5B8072 for ; Fri, 29 Oct 2021 16:16:47 +0000 (UTC) Received: by mail-pj1-f44.google.com with SMTP id x33-20020a17090a6c2400b001a63ef25836so1398353pjj.3 for ; Fri, 29 Oct 2021 09:16:47 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=intel-com.20210112.gappssmtp.com; s=20210112; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=UuiRv/Aqc9KWf66Wmwy2yVHjihLskj+s11srG8q1vD8=; b=DDH8LvTf1NbwlDisv+efQao95HUsWm01LKrhjJ2uX5etHAjxnlYc1fVorsh9C2tZeZ IZjJyefUE9sV7SNEI3aifqWin72xUpU2BtMndIJi3ywQQBX2XMdIqeYY8510szP8t2sH kdBhiAG5maV3WHr8hudaPmgocYD17sC0B0D26/b8Pbwzr3F117FlSlFBx3SQdqHiOhCS AzK0mVaRm+n9lGW4xPZYMjIFamXjTmcm5QI7QOVxfQm9omv4teemj/fppXRavbXh1qYb 2mUwDH8Lkp2dgVW/pz350uqfUJeZ+MOAK0wy10AUYRh1hsJJ2oVH6yHtRzop5uS3RMQt 86wA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=UuiRv/Aqc9KWf66Wmwy2yVHjihLskj+s11srG8q1vD8=; b=EbgPaZ4ONU4CNquSK5V+3Howoo6FRVYSkF5z89S0BsLfJwfn/lumWRahQ60s3byRey MlaS6jB+q9e2GPkuAFAJnXRLKUuXfcVzoSqoQ6Kbo1POK9HYVH702aqILYiPIBpKanAd JtBGCqFIP60afeXYKuev47b10iiLuPaMBwUyc+1C4+5FZKylbe1hvfzML3AB7pw7F2M1 v8jtGRkh9G5uLKBwVFOLxtZHtCPj/gFBi3OfZsKunZQ1bkOhV9zX/rnjLUK6kg7KiDNN QMahOn1zmd1rLX+swqImu3PdXJLpSnlZlEwWnjQH8546Du65eHRnM2epvKkLxIfMvmps O8rQ== X-Gm-Message-State: AOAM531ZQ/BNnYleg2fV8PrcylJ6nhk4plkmIfdEiXcT4EyB5eZZzvhG 7Cm1gmJbwmpckAYIuLWaFBj0N6t11eC6lrEOJb9v9w== X-Google-Smtp-Source: ABdhPJy6oDDE8Tua+O/7LJsaoOuN022Twl1T27YRaF2rK5Jgwv2I/UmljReJn3ItDXvNR8dsDNU53ltbLhzG+bw6RwY= X-Received: by 2002:a17:90b:350f:: with SMTP id ls15mr12425415pjb.220.1635524207375; Fri, 29 Oct 2021 09:16:47 -0700 (PDT) Precedence: bulk X-Mailing-List: nvdimm@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 References: <20211018044054.1779424-1-hch@lst.de> <20211029105139.1194bb7f@canb.auug.org.au> <20211029155524.GE24307@magnolia> In-Reply-To: <20211029155524.GE24307@magnolia> From: Dan Williams Date: Fri, 29 Oct 2021 09:16:35 -0700 Message-ID: Subject: Re: futher decouple DAX from block devices To: "Darrick J. Wong" Cc: Stephen Rothwell , Christoph Hellwig , Shiyang Ruan , Mike Snitzer , Ira Weiny , device-mapper development , linux-xfs , Linux NVDIMM , linux-s390 , linux-fsdevel , linux-erofs@lists.ozlabs.org, linux-ext4 , virtualization@lists.linux-foundation.org Content-Type: text/plain; charset="UTF-8" On Fri, Oct 29, 2021 at 8:55 AM Darrick J. Wong wrote: > > On Fri, Oct 29, 2021 at 08:42:29AM -0700, Dan Williams wrote: > > On Thu, Oct 28, 2021 at 4:52 PM Stephen Rothwell wrote: > > > > > > Hi Dan, > > > > > > On Wed, 27 Oct 2021 13:46:31 -0700 Dan Williams wrote: > > > > > > > > My merge resolution is here [1]. Christoph, please have a look. The > > > > rebase and the merge result are both passing my test and I'm now going > > > > to review the individual patches. However, while I do that and collect > > > > acks from DM and EROFS folks, I want to give Stephen a heads up that > > > > this is coming. Primarily I want to see if someone sees a better > > > > strategy to merge this, please let me know, but if not I plan to walk > > > > Stephen and Linus through the resolution. > > > > > > It doesn't look to bad to me (however it is a bit late in the cycle :-( > > > ). Once you are happy, just put it in your tree (some of the conflicts > > > are against the current -rc3 based version of your tree anyway) and I > > > will cope with it on Monday. > > > > Christoph, Darrick, Shiyang, > > > > I'm losing my nerve to try to jam this into v5.16 this late in the > > cycle. > > Always a solid choice to hold off for a little more testing and a little > less anxiety. :) > > I don't usually accept new code patches for iomap after rc4 anyway. > > > I do want to get dax+reflink squared away as soon as possible, > > but that looks like something that needs to build on top of a > > v5.16-rc1 at this point. If Linus does a -rc8 then maybe it would have > > enough soak time, but otherwise I want to take the time to collect the > > acks and queue up some more follow-on cleanups to prepare for > > block-less-dax. > > I think that hwpoison-calls-xfs-rmap patchset is a prerequisite for > dax+reflink anyway, right? /me had concluded both were 5.17 things. Ok, cool, sounds like a plan.