Date: Tue, 27 Jan 2004 16:45:56 +0100 From: "Poul-Henning Kamp" <phk@phk.freebsd.dk> To: Lukas Ertl <l.ertl@univie.ac.at> Cc: freebsd-geom@freebsd.org Subject: Re: Error checking for g_mod_event() and friends Message-ID: <5276.1075218356@critter.freebsd.dk> In-Reply-To: Your message of "Tue, 27 Jan 2004 16:39:01 %2B0100." <20040127163829.I92925@pcle2.cc.univie.ac.at>
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In message <20040127163829.I92925@pcle2.cc.univie.ac.at>, Lukas Ertl writes: >On Tue, 27 Jan 2004, Poul-Henning Kamp wrote: > >> In message <20040127160001.N92925@pcle2.cc.univie.ac.at>, Lukas Ertl writes: >> > >> >In the geom_vinum case I allocate the "main" vinum geom in the init >> >method, and this might fail. >> > >> >(Of course, this might not be the correct way to do it, but I couldn't >> >think of another way.) >> >> You're right, it isn't :-) >> >> You should never allocate anything until you first time taste a disk >> which looks like yours. > >Ok, then how do I spawn a complete class from the tasting routine of >another class? You don't. You initialize the classes when they are loaded. Once you taste something you like, you start creating "übergeom"s and what else you need. -- 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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