Re: CD writing in future Linux (stirring up a hornets' nest)

[Jens Axboe]

On Wed, Jan 25 2006, Jan Engelhardt wrote:
> 
> >> Where is the difference between SG_IO-on-hdx and sg0?
> >
> >It's like the /dev/ttyS* and /dev/cua* situation, where
> >we also ended up with multiple device files. This is bad.
> >
> >SG_IO-on-hdx is modern. It properly associates everything
> >with one device, which you may name as desired.
> 
> Let's analyze a case:
> if /dev/sg0 would always be associated with /dev/hda,
> /dev/sg1 always with /dev/hdb, no matter if there was actually a
> hda/sg0 device present in the system - would that simplify
> the problem?

Forget /dev/sg0, it's meaningless and confusing to try and bind two
unrelated names to each other. You want to talk to /dev/hda, use
/dev/hda. Don't try and create a pseudo mapping between the two. That's
also where cdrecord gets it wrong on Linux - you don't need -scanbus. If
users think they do, it's either because Joerg brain washed them or
because they have been used to that bad interface since years ago when
it was unfortunately needed.

-- 
Jens Axboe

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