Re: [PATCH 1/3] target: simplify cmd transformation

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On Wed, Nov 17, 2010 at 02:21:59PM -0800, Nicholas A. Bellinger wrote:
> On Wed, 2010-11-17 at 16:38 -0500, Christoph Hellwig wrote:
> > There is no need for the transport_cdb_transform function pointer,
> > we can simply call the right code based on the cmd flags.
> > 
> > Signed-off-by: Christoph Hellwig <hch@xxxxxx>
> > 
> 
> Hmmm, it is really less expensive to drop cmd->transport_cdb_transport()
> and change transport_generic_new_cmd() to require 4 bitwise AND instructions
> for each bulk SCF_SCSI_DATA_SG_IO_CDB cmd..?

The pointer bloats every single command in flight, and CPU time is
getting really cheap these days.  Either way this will get much simpler
after a few more patches.  See the next one for a first preview.

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