From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 2AAA0C433EF for ; Thu, 4 Nov 2021 08:17:51 +0000 (UTC) Received: from smtp4.osuosl.org (smtp4.osuosl.org [140.211.166.137]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 9360E60F9D for ; Thu, 4 Nov 2021 08:17:50 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 9360E60F9D Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=lst.de Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=lists.linux-foundation.org Received: from localhost (localhost [127.0.0.1]) by smtp4.osuosl.org (Postfix) with ESMTP id 42A8940508; Thu, 4 Nov 2021 08:17:50 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from smtp4.osuosl.org ([127.0.0.1]) by localhost (smtp4.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id MkvpuLRah0Ov; Thu, 4 Nov 2021 08:17:49 +0000 (UTC) Received: from lists.linuxfoundation.org (lf-lists.osuosl.org [IPv6:2605:bc80:3010:104::8cd3:938]) by smtp4.osuosl.org (Postfix) with ESMTPS id D77A740504; Thu, 4 Nov 2021 08:17:48 +0000 (UTC) Received: from lf-lists.osuosl.org (localhost [127.0.0.1]) by lists.linuxfoundation.org (Postfix) with ESMTP id AE677C0019; Thu, 4 Nov 2021 08:17:48 +0000 (UTC) Received: from smtp3.osuosl.org (smtp3.osuosl.org [140.211.166.136]) by lists.linuxfoundation.org (Postfix) with ESMTP id F32B9C0012 for ; Thu, 4 Nov 2021 08:17:46 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by smtp3.osuosl.org (Postfix) with ESMTP id E829B60817 for ; Thu, 4 Nov 2021 08:17:46 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from smtp3.osuosl.org ([127.0.0.1]) by localhost (smtp3.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id RpJ_Rc8Ybu06 for ; Thu, 4 Nov 2021 08:17:45 +0000 (UTC) X-Greylist: from auto-whitelisted by SQLgrey-1.8.0 Received: from verein.lst.de (verein.lst.de [213.95.11.211]) by smtp3.osuosl.org (Postfix) with ESMTPS id C01A760811 for ; Thu, 4 Nov 2021 08:17:45 +0000 (UTC) Received: by verein.lst.de (Postfix, from userid 2407) id 9396E68AA6; Thu, 4 Nov 2021 09:17:40 +0100 (CET) Date: Thu, 4 Nov 2021 09:17:40 +0100 From: Christoph Hellwig To: Eric Sandeen Subject: Re: futher decouple DAX from block devices Message-ID: <20211104081740.GA23111@lst.de> References: <20211018044054.1779424-1-hch@lst.de> <21ff4333-e567-2819-3ae0-6a2e83ec7ce6@sandeen.net> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <21ff4333-e567-2819-3ae0-6a2e83ec7ce6@sandeen.net> User-Agent: Mutt/1.5.17 (2007-11-01) Cc: nvdimm@lists.linux.dev, Mike Snitzer , linux-s390@vger.kernel.org, linux-erofs@lists.ozlabs.org, virtualization@lists.linux-foundation.org, linux-xfs@vger.kernel.org, dm-devel@redhat.com, linux-fsdevel@vger.kernel.org, Dan Williams , linux-ext4@vger.kernel.org, Ira Weiny , Christoph Hellwig X-BeenThere: virtualization@lists.linux-foundation.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: Linux virtualization List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: virtualization-bounces@lists.linux-foundation.org Sender: "Virtualization" On Wed, Nov 03, 2021 at 12:59:31PM -0500, Eric Sandeen wrote: > Christoph, can I ask what the end game looks like, here? If dax is completely > decoupled from block devices, are there user-visible changes? Yes. > If I want to > run fs-dax on a pmem device - what do I point mkfs at, if not a block device? The rough plan is to use the device dax character devices. I'll hopefully have a draft version in the next days. _______________________________________________ Virtualization mailing list Virtualization@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/virtualization