From owner-freebsd-arch@FreeBSD.ORG  Fri Jul  9 12:07:00 2004
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From: "Poul-Henning Kamp" <phk@phk.freebsd.dk>
In-Reply-To: Your message of "Thu, 08 Jul 2004 22:12:28 +0200."
             <6595.1089317548@critter.freebsd.dk> 
Date: Fri, 09 Jul 2004 14:06:56 +0200
Message-ID: <21507.1089374816@critter.freebsd.dk>
Sender: phk@critter.freebsd.dk
cc: arch@freebsd.org
Subject: Re: [RFC] kldunload -f argument. 
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In message <6595.1089317548@critter.freebsd.dk>, Poul-Henning Kamp writes:
>
>In an ideal situation, unmount(8) will fail to unload if the
>filesystem is in use but the administrator has the option of applying
>the -f(orce) option which tells the kernel: "umount at any cost" [3].
>
>
>We do not have the same flexibility with kldunload(8), and this is
>leading to a minor spot of trouble for modules which autoattach to
>things, like for instance GEOM classes where it can be very hard if
>not impossible to get the module idle from userland so it can be
>unloaded.

Here is a patch which does this:

	http://phk.freebsd.dk/patch/kldunload.patch

Tests, comments etc welcome!

-- 
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.