Date: Sun, 29 Jan 2006 11:08:18 +1100 From: Peter Jeremy <peterjeremy@optushome.com.au> To: Wilko Bulte <wb@freebie.xs4all.nl> Cc: Craig Rodrigues <rodrigc@freebsd.org>, cvs-src@freebsd.org, src-committers@freebsd.org, cvs-all@freebsd.org Subject: Re: cvs commit: src/sbin/mount Makefile extern.h mount_ufs.c Message-ID: <20060129000818.GF2341@turion.vk2pj.dyndns.org> In-Reply-To: <20060128225700.GA88332@freebie.xs4all.nl> References: <200511232322.jANNMuGE005810@repoman.freebsd.org> <20051208024017.GA32302@dragon.NUXI.org> <20060128055725.GA83856@dragon.NUXI.org> <20060128223343.GE2341@turion.vk2pj.dyndns.org> <20060128225700.GA88332@freebie.xs4all.nl>
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On Sat, 2006-Jan-28 23:57:00 +0100, Wilko Bulte wrote: >On Sun, Jan 29, 2006 at 09:33:43AM +1100, Peter Jeremy wrote.. >> On Fri, 2006-Jan-27 21:57:25 -0800, David O'Brien wrote: >> >On Wed, Dec 07, 2005 at 06:40:17PM -0800, David O'Brien wrote: >> >> On Wed, Nov 23, 2005 at 11:22:56PM +0000, Craig Rodrigues wrote: >> >> > rodrigc 2005-11-23 23:22:56 UTC >> >> > >> >> > FreeBSD src repository >> >> > >> >> > Modified files: >> >> > sbin/mount Makefile extern.h >> >> > Removed files: >> >> > sbin/mount mount_ufs.c >> >> > Log: >> >> > Remove UFS-specific parts from mount(8). >> >> > For mounting UFS, all mount options are passed directly to nmount(), >> >> > without any UFS-specific logic. >> >> >> >> Where do we stand on making 'mount /' from single user work again? >> > >> >Can you give us an update on where you stand on making 'mount /' work >> >again from single user? We've been suffering from this for 2 months now. >> >> "mount -r" also no longer works if the FS is marked "rw" in /etc/fstab. >> Instead you have to use "mount -o norw". How about having "ro" imply >> "norw" and vice versa. > >Blurk.. norw == ro and noro == rw? What is wrong with just sticking with >plain and simple rw and ro ? ro and rw still exist but, based on my reading of the code, the options you enter are appended to the options in fstab so that if you say "mount -r" (or "mount -o ro"), nmount(2) is passed "rw,ro" and the "rw" over-rides the "ro". "norw" makes mount(8) strip the "rw" and then nmount(2) defaults to ro. I think mount(8) needs to grow some special-casing so that it knows that "ro" and "rw" are complementary. -- Peter Jeremy
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