From owner-freebsd-hackers@FreeBSD.ORG Sat Jan 6 18:34:17 2007 Return-Path: X-Original-To: freebsd-hackers@freebsd.org Delivered-To: freebsd-hackers@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id A42D816A415; Sat, 6 Jan 2007 18:34:17 +0000 (UTC) (envelope-from imp@bsdimp.com) Received: from harmony.bsdimp.com (vc4-2-0-87.dsl.netrack.net [199.45.160.85]) by mx1.freebsd.org (Postfix) with ESMTP id 634B213C469; Sat, 6 Jan 2007 18:34:17 +0000 (UTC) (envelope-from imp@bsdimp.com) Received: from localhost (localhost [127.0.0.1]) by harmony.bsdimp.com (8.13.4/8.13.4) with ESMTP id l06IXax0085038; Sat, 6 Jan 2007 11:33:36 -0700 (MST) (envelope-from imp@bsdimp.com) Date: Sat, 06 Jan 2007 11:33:48 -0700 (MST) Message-Id: <20070106.113348.353676879.imp@bsdimp.com> To: olli@lurza.secnetix.de From: "M. Warner Losh" In-Reply-To: <200701052106.l05L60a6042599@lurza.secnetix.de> References: <200701041459.18321.jhb@freebsd.org> <200701052106.l05L60a6042599@lurza.secnetix.de> X-Mailer: Mew version 4.2 on Emacs 21.3 / Mule 5.0 (SAKAKI) Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-2.0 (harmony.bsdimp.com [127.0.0.1]); Sat, 06 Jan 2007 11:33:36 -0700 (MST) Cc: erik.udo@gmail.com, freebsd-hackers@freebsd.org, dougb@freebsd.org Subject: Re: Init.c, making it chroot X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 06 Jan 2007 18:34:17 -0000 this patch looks good, however, one nit: In message: <200701052106.l05L60a6042599@lurza.secnetix.de> Oliver Fromme writes: : + if (stat("/dev", &stst) != 0) : + warning("Can't stat /dev: %m"); : + else { : + if (stst.st_dev == root_devno) : + devfs++; : + } is more succinctly expressed as: + if (stat("/dev", &stst) != 0) + warning("Can't stat /dev: %m"); + else if (stst.st_dev == root_devno) + devfs++; Also, kenv(KENV_GET, ... is used a lot. Maybe it makes sense to have a simple kenvget call. Would make a few lines a little shorter if nothing else. Otherwise, I think this is a great patch. I don't see other problems with it. Warner