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Date: Fri, 9 Jul 2004 16:51:54 +0200
From: Pawel Jakub Dawidek <pjd@FreeBSD.org>
To: Poul-Henning Kamp <phk@phk.freebsd.dk>
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cc: arch@freebsd.org
Subject: Re: [RFC] kldunload -f argument.
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On Fri, Jul 09, 2004 at 02:06:56PM +0200, Poul-Henning Kamp wrote:
+> In message <6595.1089317548@critter.freebsd.dk>, Poul-Henning Kamp write=
s:
+> >
+> >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.
+>=20
+> Here is a patch which does this:
+>=20
+> 	http://phk.freebsd.dk/patch/kldunload.patch
+>=20
+> Tests, comments etc welcome!

Could we implement those new flags as a flags, i.e:

#define	LINKER_UNLOAD_FORCE	0x01
(only this)

So we don't have to create another syscall when we want to add something
in the future.

--=20
Pawel Jakub Dawidek                       http://www.FreeBSD.org
pjd@FreeBSD.org                           http://garage.freebsd.pl
FreeBSD committer                         Am I Evil? Yes, I Am!

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