Re: [PATCH v3 1/2] scsi: Handle Unit Attention when issuing SCSI command

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On Thu, Oct 27, 2016 at 11:00:56AM +0200, Hannes Reinecke wrote:
> BLOCK_PC is currently used indiscriminately for all non-filesystem
> commands, ie for commands where the raw cdb is passed in via req->special.
> 
> As such, is has a dual meaning:
> - A pre-filled CDB
> - do not evaluate the sense code
> 
> If we could split this up in having one flag for a pre-filled CDB and
> another one for evaluating sense code we should be able to resolve this
> situation.

That sounds fine to me.  I just wish we could keep that flag inside
SCSI somehow, which isn't really doable with the current BLOCK_PC
passthrough architecture.  I have some work in progress to fix that
up but it will take a while to land.

If Jens is ok with it we can add a cmd_flags flag for now, though.
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