From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-pf1-f172.google.com (mail-pf1-f172.google.com [209.85.210.172]) (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 6D99E72 for ; Fri, 29 Oct 2021 15:42:41 +0000 (UTC) Received: by mail-pf1-f172.google.com with SMTP id v193so9601014pfc.4 for ; Fri, 29 Oct 2021 08:42:41 -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=kkrK8/+uwUhU1+ibCc9sihgvRMe3oeCDEJlEEAsQMNY=; b=6wmVMWLAKN8exE8XR8wv/iFYhudFZm/xaEJpNEZmOxWSzGBAVEn+M6ckTQFipGdRJT yb6PYTTcKIVqTXGsV3bkPy2TCiq4+HLgRy2cRXBAvM33znfROc4XjMNFzIfr4UE69rdj 4eISFf7aFEyAHo2Sf/MANtuSqjdRnwdAyb7h0RnbdOmg2MrJVd+mPCxh87qxZR21UV1T Jo7MDmjd0zsp2/1yCw8PZ5/EZTwQNFNoOJVWhez881Nf3OlrTKHfCKrLAxk43DLXDdPH n00SPDakiTsjm+voDnH7pSuvR7gHcdocX6KbBQemE5xaUaALVKmTKfT7gJVRpb96WLOa Bfgg== 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=kkrK8/+uwUhU1+ibCc9sihgvRMe3oeCDEJlEEAsQMNY=; b=5IcJNtAMxIsASYZ0lSZirQJ42glWn1hNiDf5WFDGAUXp9MhsJw23jmOBZIntHRMEts +dvvZvj+/5MDDGIO+0HTaG4jxkWYtn43Hx2BhuZ/eGbPXHfuEGchNApYtbCdh1eJetvh h//en09zJL57RW6GhEB8WB3ORcqJTum7jwoFOsd+3ru5YouTSbtn7QGcVrXJUUPCLDYh tD1/9obnjuY8R4apOrq+z4Cy3MOPGg75rlOD9QIa5igETE04dgGHBF/QO9AY43FEocLs bsBS5uxDetiO8zYgWH3Qt2NoOkL0PaYybHcqqcJMHF95rM2xIkNOFp8GNjAqi3EGivIF VjsA== X-Gm-Message-State: AOAM5326ujxE+vapWF3GMqxfFpQluo9fHKj8LBRs2GVrc/XYMoAEnYvX nfbFYG6Q3ExnIXU3N4SUK3WSB6Xq79UFg9dR33AK2w== X-Google-Smtp-Source: ABdhPJwscYMJBcsf4QuT7rFuYsL/BYYBLAhJeu/07ZB2t6F9Qexmb3kIziq0UAiLr3A7UbGhuhxXArjTEfzlR4kAptU= X-Received: by 2002:a05:6a00:140e:b0:444:b077:51ef with SMTP id l14-20020a056a00140e00b00444b07751efmr11616698pfu.61.1635522160977; Fri, 29 Oct 2021 08:42:40 -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> In-Reply-To: <20211029105139.1194bb7f@canb.auug.org.au> From: Dan Williams Date: Fri, 29 Oct 2021 08:42:29 -0700 Message-ID: Subject: Re: futher decouple DAX from block devices To: Stephen Rothwell , Christoph Hellwig , "Darrick J. Wong" , Shiyang Ruan Cc: 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 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. 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.