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 C61E1C433F5 for ; Tue, 9 Nov 2021 08:33:25 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id AA0326115A for ; Tue, 9 Nov 2021 08:33:25 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S244113AbhKIIgK (ORCPT ); Tue, 9 Nov 2021 03:36:10 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:59816 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237239AbhKIIgJ (ORCPT ); Tue, 9 Nov 2021 03:36:09 -0500 Received: from casper.infradead.org (casper.infradead.org [IPv6:2001:8b0:10b:1236::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D9689C061764; Tue, 9 Nov 2021 00:33:23 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; h=Content-Transfer-Encoding:MIME-Version: Message-Id:Date:Subject:Cc:To:From:Sender:Reply-To:Content-Type:Content-ID: Content-Description:In-Reply-To:References; bh=ic2T9j1dV01vrbRbp14kmcdJ50GDWCWzLE3tdNoxo6s=; b=q9jK8+4QzqazcHke6j4emluPNp gvM4AQoU0if2PLeCTuSf52oHmL4S2x6bGaWf/FvEkzdXybaIPyiA9hqIkSq+7AyNYtp1zJGZrI3nw dvIrX50uqbaw/zv2juhsVeQxcvaEULYMkh9M4+iT8wg5aLZmoI6oFUA7GofhSvVSqGll8iElobfPx PBktYxovHBFjfoGN1EcqHm023qS4L+VqBjgU0VNI2UwCSlUVcXUSwATdtmmRWHd/SdUsOUdur/s68 /9ydjmkZL5SbSFG5gc3wZJHqhdmUYCCAVUqkSiaxjvXx11f49n5l0WB5DRgDdn9TlS9PpVTO9InmS 3jvYAVuQ==; Received: from [2001:4bb8:19a:7ee7:fb46:2fe1:8652:d9d4] (helo=localhost) by casper.infradead.org with esmtpsa (Exim 4.94.2 #2 (Red Hat Linux)) id 1mkMZ3-000ry2-Kv; Tue, 09 Nov 2021 08:33:10 +0000 From: Christoph Hellwig To: Dan Williams Cc: Mike Snitzer , Ira Weiny , dm-devel@redhat.com, linux-xfs@vger.kernel.org, nvdimm@lists.linux.dev, linux-s390@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-erofs@lists.ozlabs.org, linux-ext4@vger.kernel.org, virtualization@lists.linux-foundation.org Subject: decouple DAX from block devices Date: Tue, 9 Nov 2021 09:32:40 +0100 Message-Id: <20211109083309.584081-1-hch@lst.de> X-Mailer: git-send-email 2.30.2 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-SRS-Rewrite: SMTP reverse-path rewritten from by casper.infradead.org. See http://www.infradead.org/rpr.html Precedence: bulk List-ID: X-Mailing-List: linux-xfs@vger.kernel.org Hi Dan, this series decouples the DAX from the block layer so that the block_device is not needed at all for the DAX I/O path.