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=-10.3 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 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 A6CEBC4361A for ; Wed, 3 Mar 2021 15:38:48 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 780F764EDB for ; Wed, 3 Mar 2021 15:38:48 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1343613AbhCCPgv (ORCPT ); Wed, 3 Mar 2021 10:36:51 -0500 Received: from verein.lst.de ([213.95.11.211]:36163 "EHLO verein.lst.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1356549AbhCCKrm (ORCPT ); Wed, 3 Mar 2021 05:47:42 -0500 Received: by verein.lst.de (Postfix, from userid 2407) id 5291568C7B; Wed, 3 Mar 2021 10:31:20 +0100 (CET) Date: Wed, 3 Mar 2021 10:31:20 +0100 From: Christoph Hellwig To: Shiyang Ruan Cc: linux-kernel@vger.kernel.org, linux-xfs@vger.kernel.org, linux-nvdimm@lists.01.org, linux-fsdevel@vger.kernel.org, darrick.wong@oracle.com, dan.j.williams@intel.com, willy@infradead.org, jack@suse.cz, viro@zeniv.linux.org.uk, linux-btrfs@vger.kernel.org, ocfs2-devel@oss.oracle.com, david@fromorbit.com, hch@lst.de, rgoldwyn@suse.de Subject: Re: [PATCH v2 06/10] fsdax: Add dax_iomap_cow_copy() for dax_iomap_zero Message-ID: <20210303093120.GF12784@lst.de> References: <20210226002030.653855-1-ruansy.fnst@fujitsu.com> <20210226002030.653855-7-ruansy.fnst@fujitsu.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20210226002030.653855-7-ruansy.fnst@fujitsu.com> User-Agent: Mutt/1.5.17 (2007-11-01) Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Feb 26, 2021 at 08:20:26AM +0800, Shiyang Ruan wrote: > Punch hole on a reflinked file needs dax_copy_edge() too. Otherwise, > data in not aligned area will be not correct. So, add the srcmap to > dax_iomap_zero() and replace memset() as dax_copy_edge(). > > Signed-off-by: Shiyang Ruan Looks good, Reviewed-by: Christoph Hellwig