From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on archive.lwn.net X-Spam-Level: X-Spam-Status: No, score=-5.7 required=5.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,RCVD_IN_DNSWL_HI,SPF_HELO_NONE,SPF_NONE autolearn=unavailable autolearn_force=no version=3.4.2 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by archive.lwn.net (Postfix) with ESMTP id 890A77D2F0 for ; Fri, 6 Sep 2019 14:43:30 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732169AbfIFOna (ORCPT ); Fri, 6 Sep 2019 10:43:30 -0400 Received: from ms.lwn.net ([45.79.88.28]:36586 "EHLO ms.lwn.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1732020AbfIFOna (ORCPT ); Fri, 6 Sep 2019 10:43:30 -0400 Received: from lwn.net (localhost [127.0.0.1]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ms.lwn.net (Postfix) with ESMTPSA id 436F997D; Fri, 6 Sep 2019 14:43:29 +0000 (UTC) Date: Fri, 6 Sep 2019 08:43:28 -0600 From: Jonathan Corbet To: Adam Borowski Cc: linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] Documentation: sysrq: don't recommend 'S' 'U' before 'B' Message-ID: <20190906084328.6c052d25@lwn.net> In-Reply-To: <20190903160840.56652-1-kilobyte@angband.pl> References: <20190903160840.56652-1-kilobyte@angband.pl> Organization: LWN.net MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 8bit Sender: linux-doc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-doc@vger.kernel.org On Tue, 3 Sep 2019 18:08:40 +0200 Adam Borowski wrote: > This advice is obsolete and slightly harmful for filesystems from this > millenium: any modern filesystem can handle unexpected crashes without > requiring fsck -- and on the other hand, trying to write to the disk when > the kernel is in a bad state risks introducing corruption. > > For ext2, any unsafe shutdown meant widespread breakage, but it's no longer > a reasonable filesystem for any non-special use. > > Signed-off-by: Adam Borowski Makes sense to me. Applied, thanks. jon