From: Joerg Schilling <schilling@fokus.fraunhofer.de>
Date: Mon, 13 Feb 2006 16:04:48 +0100
To: schilling@fokus.fraunhofer.de, jerome.lacoste@gmail.com
Cc: peter.read@gmail.com, mj@ucw.cz, matthias.andree@gmx.de,
       linux-kernel@vger.kernel.org, jim@why.dont.jablowme.net,
       jengelh@linux01.gwdg.de, dhazelton@enter.net
Subject: Re: CD writing in future Linux (stirring up a hornets' nest)
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jerome lacoste <jerome.lacoste@gmail.com> wrote:

> > The output of cdrecord -scanbus is already parsable,
>
> But it doesn't show the OS specific mapping.
>
> > so what is your point?
>
> I am aiming for a compromise.
>
> My point is that people want to use dev=/dev/hdc in their interface,
> because that's what they are used to. That's a point that I think you
> cannot deny.
>
> If you want to still keep your dev=b,t,l command line interface, just
> let the users know how your mapping is done. That will allow a
> cdrecord wrapper to first query the mapping, then using this mapping
> information and OS specific information (e.g. links) identify the
> b,t,l expected by your interface.
>
> That way you have mostly no code change to do. And you keep your b,t,l
> naming. Everybody is happy.
>
> I've added something like:
>
>                 fprintf(stdout, "%d,%d,%d <= /dev/%s\n",
> 				first_free_schilly_bus, t, l, token[ID_TOKEN_SUBSYSTEM] );
>
> in scsi-linux-ata.c and it does what I want.

The scanbus code was taken from "sformat".

Sformat already includes such a mapping if you are on Solaris.
Unfortunately this does cleanly work on Linux and for this
reason is did not make it into cdrecord.

J?rg

-- 
 EMail:joerg@schily.isdn.cs.tu-berlin.de (home) J?rg Schilling D-13353 Berlin
       js@cs.tu-berlin.de                (uni)  
       schilling@fokus.fraunhofer.de     (work) Blog: http://schily.blogspot.com/
 URL:  http://cdrecord.berlios.de/old/private/ ftp://ftp.berlios.de/pub/schily
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