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To: Joerg Schilling <schilling@fokus.fraunhofer.de>
Cc: der.eremit@email.de, christer@weinigel.se, linux-kernel@vger.kernel.org,
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Subject: Re: PATCH: cdrecord: avoiding scsi device numbering for ide devices
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From: Julien Oster <lkml-7994@mc.frodoid.org>
Organization: FRODOID.ORG
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Date: Sun, 22 Aug 2004 23:29:47 +0200
In-Reply-To: <4128CAA2.nail9RG21R1OG@burner> (Joerg Schilling's message of
 "Sun, 22 Aug 2004 18:32:34 +0200")
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Joerg Schilling <schilling@fokus.fraunhofer.de> writes:

> But in order to rip an audio CD, you need to use e.g. MODE SELECT.
> If you start to distinct safe SCSI commands from possibly unsafe ones, then 
> MODE SELECT could not be in the list of safe ones.

That is why I'm proposing an empty filter at boot time, which allows
no SG_IO except when having CAP_SYS_RAWIO (which enables everything)
and the possibility to open up certain commands from userspace later.

Julien