From owner-svn-src-all@FreeBSD.ORG Wed Apr 30 16:23:06 2014 Return-Path: Delivered-To: svn-src-all@FreeBSD.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id 532D3372; Wed, 30 Apr 2014 16:23:06 +0000 (UTC) Received: from smtp1.multiplay.co.uk (smtp1.multiplay.co.uk [85.236.96.35]) by mx1.freebsd.org (Postfix) with ESMTP id E8B3E157C; Wed, 30 Apr 2014 16:23:05 +0000 (UTC) Received: by smtp1.multiplay.co.uk (Postfix, from userid 65534) id 5291420E7088B; Wed, 30 Apr 2014 16:23:04 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on smtp1.multiplay.co.uk X-Spam-Level: ** X-Spam-Status: No, score=2.2 required=8.0 tests=AWL,BAYES_00,DOS_OE_TO_MX, FSL_HELO_NON_FQDN_1,HELO_NO_DOMAIN,RDNS_DYNAMIC,STOX_REPLY_TYPE autolearn=no version=3.3.1 Received: from r2d2 (82-69-141-170.dsl.in-addr.zen.co.uk [82.69.141.170]) by smtp1.multiplay.co.uk (Postfix) with ESMTPS id D86DB20E70885; Wed, 30 Apr 2014 16:22:58 +0000 (UTC) Message-ID: From: "Steven Hartland" To: "Ian Lepore" , "Eitan Adler" References: <201404300620.s3U6Kmn6074492@svn.freebsd.org> <1398869319.22079.54.camel@revolution.hippie.lan> Subject: Re: svn commit: r265132 - in head: share/man/man4 sys/dev/null Date: Wed, 30 Apr 2014 17:22:59 +0100 MIME-Version: 1.0 Content-Type: text/plain; format=flowed; charset="iso-8859-1"; reply-type=original Content-Transfer-Encoding: 7bit X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2900.5931 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.6157 Cc: svn-src-head@FreeBSD.org, svn-src-all@FreeBSD.org, src-committers@FreeBSD.org X-BeenThere: svn-src-all@freebsd.org X-Mailman-Version: 2.1.17 Precedence: list List-Id: "SVN commit messages for the entire src tree \(except for " user" and " projects" \)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 30 Apr 2014 16:23:06 -0000 ----- Original Message ----- From: "Ian Lepore" To: "Eitan Adler" Cc: ; ; Sent: Wednesday, April 30, 2014 3:48 PM Subject: Re: svn commit: r265132 - in head: share/man/man4 sys/dev/null > On Wed, 2014-04-30 at 06:20 +0000, Eitan Adler wrote: >> Author: eadler >> Date: Wed Apr 30 06:20:48 2014 >> New Revision: 265132 >> URL: http://svnweb.freebsd.org/changeset/base/265132 >> >> Log: >> Add a /dev/full device. >> >> /dev/full is similar to /dev/zero except it always returns >> ENOSPC when you attempt to write to it. >> > > For some reason this reminded me of something I've been wanting for a > while but never get around to writing... /dev/ones, it's just > like /dev/zero except it returns 0xff bytes. Useful for dd'ing to wipe > out flash-based media. Surely for that you want camcontrol security ...? Regards Steve