Re: [PATCH 11/15] target: WRITE_SAME_16 and WRITE_SAME_32 should be DATA_SG_IO cdbs

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On 06/28/2011 01:14 PM, Christoph Hellwig wrote:
> On Tue, Jun 28, 2011 at 12:29:33PM -0700, Andy Grover wrote:
>> The definition of what's a data and what's a control CDB is not
>> totally clear, but both of these set t_task_lba, so I'm inclined
>> to call them data CDBs.
> 
> Currently DATA cdbs are those that get passes through to the
> backend (except for pscsi which gets all of them). As the backends
> can't handle WRITE_SAME this patch is incorrect.

Ah yes that makes sense, I'll delete this patch.

> I have a nice prototype to kill that whole DATA vs CONTROL flag thing,
> which will be much nicer after your series.  Once the guts of your
> patches hit the tree I'll resubmit them.

Sounds really good. I was pondering if that was possible.

Thanks -- Regards -- Andy
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