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 X-Spam-Level: X-Spam-Status: No, score=-5.9 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, MENTIONS_GIT_HOSTING,SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 7BFCBC34024 for ; Mon, 17 Feb 2020 18:17:23 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 5ABF5214D8 for ; Mon, 17 Feb 2020 18:17:23 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="QIun2OyL" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729864AbgBQSRW (ORCPT ); Mon, 17 Feb 2020 13:17:22 -0500 Received: from us-smtp-2.mimecast.com ([207.211.31.81]:39814 "EHLO us-smtp-delivery-1.mimecast.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1729869AbgBQSRV (ORCPT ); Mon, 17 Feb 2020 13:17:21 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1581963441; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding; bh=QLSHE2VWqBfvikw59u2hpmf5ebtQkqK0yTUskCOtUmM=; b=QIun2OyLn9LbQCTkmHDMWJ1ACk+ftm8AOJ3dkXZHcSz0pOWYncvU+X5nDIeQT/roAUc5/k NnvC14zkraw17cbRG6K/jShiqaXMMI31uOUAyCANIsti56/HvPnIF5tIq/ohO7j1mgBkUb EFgoijuGTFntuqdCiPpm4zS7fHJSdXM= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-343-cLXb4cAzMSOrhSq6EHDIoA-1; Mon, 17 Feb 2020 13:17:12 -0500 X-MC-Unique: cLXb4cAzMSOrhSq6EHDIoA-1 Received: from smtp.corp.redhat.com (int-mx02.intmail.prod.int.phx2.redhat.com [10.5.11.12]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 4DCA3140A; Mon, 17 Feb 2020 18:17:11 +0000 (UTC) Received: from horse.redhat.com (unknown [10.18.25.35]) by smtp.corp.redhat.com (Postfix) with ESMTP id 5919E60BFB; Mon, 17 Feb 2020 18:17:08 +0000 (UTC) Received: by horse.redhat.com (Postfix, from userid 10451) id F04EB2257D2; Mon, 17 Feb 2020 13:17:07 -0500 (EST) From: Vivek Goyal To: linux-fsdevel@vger.kernel.org, linux-nvdimm@lists.01.org, hch@infradead.org, dan.j.williams@intel.com Cc: dm-devel@redhat.com, vishal.l.verma@intel.com, vgoyal@redhat.com Subject: [PATCH v4 0/7] dax/pmem: Provide a dax operation to zero range of memory Date: Mon, 17 Feb 2020 13:16:46 -0500 Message-Id: <20200217181653.4706-1-vgoyal@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.12 Content-Transfer-Encoding: quoted-printable Sender: linux-fsdevel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-fsdevel@vger.kernel.org Hi, This is V4 of patches. These patches are also available at. https://github.com/rhvgoyal/linux/commits/dax-zero-range-v4 Changes since V3. - Rebased patches on top of 5.6-rc1 - Took care of some of the comments from Christoph. - Captured some Reviewed-by tags in some of the patches. =20 Previous version of patches are here. v3: https://lore.kernel.org/linux-fsdevel/20200214125717.GA18654@redhat.com/T= /#t v2: https://lore.kernel.org/linux-fsdevel/20200203200029.4592-1-vgoyal@redhat= .com/ v1: https://lore.kernel.org/linux-fsdevel/20200123165249.GA7664@redhat.com/ Thanks Vivek Vivek Goyal (7): pmem: Add functions for reading/writing page to/from pmem pmem: Enable pmem_do_write() to deal with arbitrary ranges dax, pmem: Add a dax operation zero_page_range s390,dcssblk,dax: Add dax zero_page_range operation to dcssblk driver dm,dax: Add dax zero_page_range operation dax,iomap: Start using dax native zero_page_range() dax,iomap: Add helper dax_iomap_zero() to zero a range drivers/dax/super.c | 19 ++++++ drivers/md/dm-linear.c | 21 +++++++ drivers/md/dm-log-writes.c | 19 ++++++ drivers/md/dm-stripe.c | 26 ++++++++ drivers/md/dm.c | 31 +++++++++ drivers/nvdimm/pmem.c | 115 +++++++++++++++++++++++----------- drivers/s390/block/dcssblk.c | 17 +++++ fs/dax.c | 53 ++++------------ fs/iomap/buffered-io.c | 9 +-- include/linux/dax.h | 20 ++---- include/linux/device-mapper.h | 3 + 11 files changed, 233 insertions(+), 100 deletions(-) --=20 2.20.1