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=-5.3 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_SANE_1 autolearn=no 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 25C15C43331 for ; Mon, 8 Feb 2021 15:14:22 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id EE52964F09 for ; Mon, 8 Feb 2021 15:14:21 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233491AbhBHPOK (ORCPT ); Mon, 8 Feb 2021 10:14:10 -0500 Received: from verein.lst.de ([213.95.11.211]:41713 "EHLO verein.lst.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232211AbhBHPMj (ORCPT ); Mon, 8 Feb 2021 10:12:39 -0500 Received: by verein.lst.de (Postfix, from userid 2407) id 61E0C68B02; Mon, 8 Feb 2021 16:11:56 +0100 (CET) Date: Mon, 8 Feb 2021 16:11:56 +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, Goldwyn Rodrigues Subject: Re: [PATCH 2/7] fsdax: Introduce dax_copy_edges() for CoW Message-ID: <20210208151156.GB12872@lst.de> References: <20210207170924.2933035-1-ruansy.fnst@cn.fujitsu.com> <20210207170924.2933035-3-ruansy.fnst@cn.fujitsu.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20210207170924.2933035-3-ruansy.fnst@cn.fujitsu.com> User-Agent: Mutt/1.5.17 (2007-11-01) Precedence: bulk List-ID: X-Mailing-List: linux-xfs@vger.kernel.org On Mon, Feb 08, 2021 at 01:09:19AM +0800, Shiyang Ruan wrote: > dax_copy_edges() is a helper functions performs a copy from one part of > the device to another for data not page aligned. The function looks good to me, but adding a static function without a user is not very bisection friendly.