Re: [PATCH v3 part1 0/4] Fix SG_IO ambiguity between READ SUBCHANNEL and UNMAP (and other similar cases)

[Christoph Hellwig]

On Wed, Aug 27, 2014 at 01:08:06PM +0100, Luis Henriques wrote:
> Thanks a lot for the update, Paolo.
> 
> This is what I was actually expecting, although it's somewhat
> surprising, taking into account this is a security issue :-)

The right fix is to get rid of all the whitelisting BS and just allow
SG_IO if capable, not based on ownership checks.

With this all the problems with trying to work around the different commands
sets are gone.
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