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=-5.2 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,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 95F2AC433E0 for ; Thu, 18 Feb 2021 08:32:36 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id D030160295 for ; Thu, 18 Feb 2021 08:32:35 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org D030160295 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=lst.de Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 55AF26B0006; Thu, 18 Feb 2021 03:32:35 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 50B6D6B006C; Thu, 18 Feb 2021 03:32:35 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 420A66B006E; Thu, 18 Feb 2021 03:32:35 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0035.hostedemail.com [216.40.44.35]) by kanga.kvack.org (Postfix) with ESMTP id 2A93A6B0006 for ; Thu, 18 Feb 2021 03:32:35 -0500 (EST) Received: from smtpin12.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay01.hostedemail.com (Postfix) with ESMTP id ECEED180AD830 for ; Thu, 18 Feb 2021 08:32:34 +0000 (UTC) X-FDA: 77830722228.12.cakes80_030706c27653 Received: from filter.hostedemail.com (10.5.16.251.rfc1918.com [10.5.16.251]) by smtpin12.hostedemail.com (Postfix) with ESMTP id CCB7018015480 for ; Thu, 18 Feb 2021 08:32:34 +0000 (UTC) X-HE-Tag: cakes80_030706c27653 X-Filterd-Recvd-Size: 1955 Received: from verein.lst.de (verein.lst.de [213.95.11.211]) by imf40.hostedemail.com (Postfix) with ESMTP for ; Thu, 18 Feb 2021 08:32:34 +0000 (UTC) Received: by verein.lst.de (Postfix, from userid 2407) id B425D6736F; Thu, 18 Feb 2021 09:32:30 +0100 (CET) Date: Thu, 18 Feb 2021 09:32:30 +0100 From: Christoph Hellwig To: Ruan Shiyang Cc: Christoph Hellwig , linux-kernel@vger.kernel.org, linux-xfs@vger.kernel.org, linux-nvdimm@lists.01.org, linux-mm@kvack.org, linux-fsdevel@vger.kernel.org, dm-devel@redhat.com, darrick.wong@oracle.com, dan.j.williams@intel.com, david@fromorbit.com, agk@redhat.com, snitzer@redhat.com, rgoldwyn@suse.de, qi.fuli@fujitsu.com, y-goto@fujitsu.com Subject: Re: [PATCH v3 05/11] mm, fsdax: Refactor memory-failure handler for dax mapping Message-ID: <20210218083230.GA17913@lst.de> References: <20210208105530.3072869-1-ruansy.fnst@cn.fujitsu.com> <20210208105530.3072869-6-ruansy.fnst@cn.fujitsu.com> <20210210133347.GD30109@lst.de> <45a20d88-63ee-d678-ad86-6ccd8cdf7453@cn.fujitsu.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <45a20d88-63ee-d678-ad86-6ccd8cdf7453@cn.fujitsu.com> User-Agent: Mutt/1.5.17 (2007-11-01) X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On Wed, Feb 17, 2021 at 10:56:11AM +0800, Ruan Shiyang wrote: > I'd like to confirm one thing... I have checked all of this patchset by > checkpatch.pl and it did not report the overly long line warning. So, I > should still obey the rule of 80 chars one line? checkpatch.pl is completely broken, I would not rely on it. Here is the quote from the coding style document: "The preferred limit on the length of a single line is 80 columns. Statements longer than 80 columns should be broken into sensible chunks, unless exceeding 80 columns significantly increases readability and does not hide information."