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[23.128.96.18]) by mx.google.com with ESMTP id c26si17784308edj.366.2021.10.17.21.41.13; Sun, 17 Oct 2021 21:41:37 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-ext4-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=fail header.i=@infradead.org header.s=bombadil.20210309 header.b="RWsnrEN/"; spf=pass (google.com: domain of linux-ext4-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-ext4-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229600AbhJREnS (ORCPT + 99 others); Mon, 18 Oct 2021 00:43:18 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:54958 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229470AbhJREnR (ORCPT ); Mon, 18 Oct 2021 00:43:17 -0400 Received: from bombadil.infradead.org (unknown [IPv6:2607:7c80:54:e::133]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 5B6D5C06161C; Sun, 17 Oct 2021 21:41:07 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20210309; 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=5FVSqxmInxZpxLfquTYTWo3aHtcI6RxpSGZW6UNZj6o=; b=RWsnrEN/AN21+3N1QS/sVzo/pA KUprhD61JwCSOViB6cCzwYWYPy8xO6eWNrrG8XEt0LTqvix7ajoUiGCskUDEIh+XmHUnJyX/tgDJj Esl/uNdX1ly5Yy9ZBHbYr6yKuDS9X5SLz4ZAngrPtzD/0A2qwFx8g8P1chEP+4L6TG/G9DEqtaDJ6 jW1vIyTNr2TebDqfs2jg2FxBFf/f/gWdoiabUqKvxpvOm2M2Nvc85QefHdxbJPv9Dys7AN5jmyANn iuh0ImYfAhQwPFWqmpyXU78hqF4KUrq+0TQ/4jRUyILMGOEhgr5OTDCogwtAbPD6vKEUBlPEk3aPn umppEHQg==; Received: from 089144211028.atnat0020.highway.a1.net ([89.144.211.28] helo=localhost) by bombadil.infradead.org with esmtpsa (Exim 4.94.2 #2 (Red Hat Linux)) id 1mcKSH-00E3Et-TF; Mon, 18 Oct 2021 04:40:58 +0000 From: Christoph Hellwig Cc: Dan Williams , 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: futher decouple DAX from block devices Date: Mon, 18 Oct 2021 06:40:43 +0200 Message-Id: <20211018044054.1779424-1-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 bombadil.infradead.org. See http://www.infradead.org/rpr.html To: unlisted-recipients:; (no To-header on input) Precedence: bulk List-ID: X-Mailing-List: linux-ext4@vger.kernel.org Hi Dan, this series cleans up and simplifies the association between DAX and block devices in preparation of allowing to mount file systems directly on DAX devices without a detour through block devices. Diffstat: drivers/dax/Kconfig | 4 drivers/dax/bus.c | 2 drivers/dax/super.c | 220 +++++-------------------------------------- drivers/md/dm-linear.c | 51 +++------ drivers/md/dm-log-writes.c | 44 +++----- drivers/md/dm-stripe.c | 65 +++--------- drivers/md/dm-table.c | 22 ++-- drivers/md/dm-writecache.c | 2 drivers/md/dm.c | 29 ----- drivers/md/dm.h | 4 drivers/nvdimm/Kconfig | 2 drivers/nvdimm/pmem.c | 9 - drivers/s390/block/Kconfig | 2 drivers/s390/block/dcssblk.c | 12 +- fs/dax.c | 13 ++ fs/erofs/super.c | 11 +- fs/ext2/super.c | 6 - fs/ext4/super.c | 9 + fs/fuse/Kconfig | 2 fs/fuse/virtio_fs.c | 2 fs/xfs/xfs_super.c | 54 +++++----- include/linux/dax.h | 30 ++--- 22 files changed, 185 insertions(+), 410 deletions(-)