Date: Sun, 22 Feb 1998 20:20:25 +0100 (MET) From: Søren Schmidt <sos@FreeBSD.ORG> To: gibbs@narnia.plutotech.com (Justin T. Gibbs) Cc: grog@lemis.com, hackers@FreeBSD.ORG Subject: Re: New SoftUpdates test kit Message-ID: <199802221920.UAA00386@sos.freebsd.dk> In-Reply-To: <199802221804.LAA06017@narnia.plutotech.com> from "Justin T. Gibbs" at "Feb 22, 98 11:04:14 am"
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In reply to Justin T. Gibbs who wrote:
> > Mike, back to the discussion of policy. vinum needs some way to
> > associate the buffer returned to the b_iodone function with its
> > internal requests. CCD does this by including the buffer header in
> > the internal request. The obvious alternative is to use one of
> > b_driver[12] to point to the other information. The trouble is that
> > scsi_strategy seems to use both of them. Consider a few
> > possibilities:
>
> It has been discussed before that b_driver* should go away. The
> CAM SCSI layer does not use these fields which means that the last
> reference in our code is going away. Please don't add another
> instance.
It is used in the wfd driver too...
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Søren Schmidt (sos@FreeBSD.org) FreeBSD Core Team
Even more code to hack -- will it ever end
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