On Thu, Oct 02, 2014 at 08:51:20AM +0200, Hannes Reinecke wrote: > > I'm afraid it's not _that_ easy. > SCSI-II tagged queueing has some specific tag values: > > #define SIMPLE_QUEUE_TAG 0x20 > #define HEAD_OF_QUEUE_TAG 0x21 > #define ORDERED_QUEUE_TAG 0x22
These are not tag values. These are message codes set in the first byte of the Queue tag message, the second byte is the actual tag. > The recommendation here is to use 'scmd->request->tag' whenever > you want to get to the tag number, and 'scmd->tag' if you have to > play around with SCSI-II TCQ. > But if not I would strongly advise to leave 'scmd->tag' alone. Or kill off scmd->tag.. Let's see how feasible that is. -- To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
