From owner-freebsd-current Wed Jul 31 11:56:41 1996 Return-Path: owner-current Received: (from root@localhost) by freefall.freebsd.org (8.7.5/8.7.3) id LAA16476 for current-outgoing; Wed, 31 Jul 1996 11:56:41 -0700 (PDT) Received: from phaeton.artisoft.com (phaeton.Artisoft.COM [198.17.250.211]) by freefall.freebsd.org (8.7.5/8.7.3) with SMTP id LAA16470 for ; Wed, 31 Jul 1996 11:56:39 -0700 (PDT) Received: (from terry@localhost) by phaeton.artisoft.com (8.6.11/8.6.9) id LAA02534; Wed, 31 Jul 1996 11:54:31 -0700 From: Terry Lambert Message-Id: <199607311854.LAA02534@phaeton.artisoft.com> Subject: Re: cvs commit: src/sys/dev/ccd ccd.c src/sys/dev/vn vn.c src/sys/sys conf.h src/sys/i386/isa fd.c mcd.c scd.c wcd.c wd.c wt.c sOR To: jkh@time.cdrom.com (Jordan K. Hubbard) Date: Wed, 31 Jul 1996 11:54:31 -0700 (MST) Cc: gibbs@freefall.freebsd.org, joerg_wunsch@uriah.heep.sax.de, freebsd-current@freebsd.org In-Reply-To: <1430.838366976@time.cdrom.com> from "Jordan K. Hubbard" at Jul 26, 96 00:42:56 am X-Mailer: ELM [version 2.4 PL24] MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: owner-current@freebsd.org X-Loop: FreeBSD.org Precedence: bulk > > Persistence would allow you to change the permissions on a device and > > have them stick. If a device was not availible, it wouldn't show up > > in /dev, but if it came back (say after replacing faulty hardware) > > any permission changes you made in the past would show up as soon as > > the device did. > > It would also allow you to make links, like: > > ln -s /dev/cuaa0 /dev/mouse > > Which get recreated automagically when devfs is next mounted. Yes, > you could accomplish the same effect with a handful of commands in > /etc/rc.local, but the point is to make it transparent and so obey the > principle of least astonishment. Use an rc file for now, and wait for a union mount over root for later if you *must* have persistance. The union would need to be slightly modified -- a "markup union" to allow you to change permissions, etc.. The union is also where you would make symlinks. Terry Lambert terry@lambert.org --- Any opinions in this posting are my own and not those of my present or previous employers.