Date: Sat, 05 Oct 2002 19:49:41 +0200 From: Poul-Henning Kamp <phk@critter.freebsd.dk> To: Bruce Evans <bde@zeta.org.au> Cc: Peter Wemm <peter@wemm.org>, Lars Eggert <larse@ISI.EDU>, n0go013 <ttz@blahdeblah.demon.co.uk>, current <freebsd-current@FreeBSD.ORG>, not on list - please copy <hackers@FreeBSD.ORG> Subject: Re: [ GEOM tests ] vinum drives lost Message-ID: <1879.1033840181@critter.freebsd.dk> In-Reply-To: Your message of "Sun, 06 Oct 2002 02:55:26 %2B1000." <20021006024610.V12615-100000@gamplex.bde.org>
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In message <20021006024610.V12615-100000@gamplex.bde.org>, Bruce Evans writes:
>On Sat, 5 Oct 2002, Peter Wemm wrote:
>
>> Bruce Evans wrote:
>> > On Fri, 4 Oct 2002, Poul-Henning Kamp wrote:
>> >
>> > > Worst case you will have the option to use:
>> > >
>> > > options NOGEOM
>> > > options vinum
>> >
>> > A NOGEOM option would be as acceptable as a NOFFS option for turning off
>> > forcing of the one true file system down everyone's throats.
>>
>> Part of the problem there is a weakness in config that I've threatened
>> to fix on more than one occasion. We do not have a way to have options
>> default to on and let people turn the option off. Negative options
>> ("options NOFOO") are a poor substitute. In the past, a couple of things
>> were unifdefed that might have been better served as being 'default to on'
>> options or drivers.
>
>Hmm. Negative options implemented as "negoptions FOO" would work OK for
>this. Options could be defaulted to on by putting them in an included
>config file, and then turned off using negoptions.
This could actually decrease the size and complexity of our
kernel config files considerably, just think of all the
"theoretically-but-not-in-practice" options like INET.
--
Poul-Henning Kamp | UNIX since Zilog Zeus 3.20
phk@FreeBSD.ORG | TCP/IP since RFC 956
FreeBSD committer | BSD since 4.3-tahoe
Never attribute to malice what can adequately be explained by incompetence.
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