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List:       linux-kernel
Subject:    Re: CD writing in future Linux (stirring up a hornets' nest)
From:       Michael Buesch <mbuesch () freenet ! de>
Date:       2006-02-10 17:32:29
Message-ID: 200602101832.29992.mbuesch () freenet ! de
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On Friday 10 February 2006 12:02, you wrote:
> Jan Engelhardt <jengelh@linux01.gwdg.de> wrote:
> 
> 
> > Right. The question was rather like this:
> > Say we have our non-stable /dev/sr0 mapping to /dev/sg0, and it has got BTL 
> > 1,1,0. Now, if the user starts `cdrecord -dev=1,1,0`,
> > `ls -l /proc/$(pidof -s cdrecord)/fd/` should show (and in fact did when I 
> > used ide-scsi back then) /dev/sg0, right?
> >
> > If so, what's wrong with just opening /dev/sg0 directly (as per user 
> > request, i.e. cdrecord -dev=/dev/sg0) and sending the scsi commands down 
> > the fd?
> 
> As I did write _many_ times, this was done by the program "cdwrite" on Linux
> in 1995 and as cdwrite did not check whether if actually got a CD writer,
> cdwrite did destroy many hard disk drives just _because_ the /dev/sg* 
> is non-stable.
> 
> People did not believe this and did write shell scripts with e.g. /dev/sg0 
> inside and later suffered from the non-stable /dev/sg* <-> device relation.

I am sure they used udev, back in 1995...

-- 
Greetings Michael.

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