[2166] in linux-scsi channel archive
Re: More than one SCSI controler & SCSI_IOCTL_GET_IDLUN
daemon@ATHENA.MIT.EDU (Thomas Niederreiter)
Thu Jul 17 06:35:33 1997
Date: Wed, 16 Jul 1997 13:26:44 +0200
From: Thomas Niederreiter <tn@bv.rz.fh-muenchen.de>
To: Eric Youngdale <eric@andante.jic.com>
Cc: Joerg Schilling <schilling@fokus.gmd.de>, linux-scsi@vger.rutgers.edu
In-Reply-To: <Pine.LNX.3.95.970716071146.7345I-100000@andante.jic.com>; from Eric Youngdale on Wed, Jul 16, 1997 at 07:23:46AM -0400
On Wed, Jul 16, 1997 at 07:23:46AM -0400, Eric Youngdale wrote:
>
>
> > I really nead the SCSI bus id to be able to do device mapping in cdrecord.
> > If this cannot be done, it will not be possible to let cdrecord access
> > any CD-Recorder bejond the first SCSI bus.
>
> Fine. I am not arguing that you shouldn't be getting the number.
> All I am saying is that I don't want you changing that field of the ioctl
> result. There is too much information being returned by
> SCSI_IOCTL_GET_IDLUN to begin with, and trying to overload even more
> information just gets us into even deeper trouble. You could just as
> easily add a new SCSI_IOCTL_GET_BUS_NUMBER type of ioctl to return that
> value.
Hmm..that sounds reasonable for me. cdrecord could check if the new
ioctl is there and then support more than one controller.
Is there any chance that a new ioctl will made it in the (long overdue?)
2.0.31 kernel? I speak as author of xcdroast and it is easier to write
in the readme that you have to install a kernel >= 2.0.31 than to patch
the kernel yourself in order to get more than one controllers working
with cdrecord.
>
> -Eric
>
>
Thomas
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