On 05/24/2017 02:33 AM, Bart Van Assche wrote: > Since commit e9c787e65c0c ("scsi: allocate scsi_cmnd structures as > part of struct request") struct request and struct scsi_cmnd are > adjacent. This means that there is now an alternative to reading > req->special to convert a pointer to a prepared request into a > SCSI command pointer, namely by using blk_mq_rq_to_pdu(). Make > this change where appropriate. Although this patch does not > change any functionality, it slightly improves performance and > slightly improves readability. > > Signed-off-by: Bart Van Assche <bart.vanassche@xxxxxxxxxxx> > Cc: Christoph Hellwig <hch@xxxxxx> > Cc: Hannes Reinecke <hare@xxxxxxxx> > Cc: Johannes Thumshirn <jthumshirn@xxxxxxx> > --- Looks good, Reviewed-by: Johannes Thumshirn <jthumshirn@xxxxxxx> -- Johannes Thumshirn Storage jthumshirn@xxxxxxx +49 911 74053 689 SUSE LINUX GmbH, Maxfeldstr. 5, 90409 Nürnberg GF: Felix Imendörffer, Jane Smithard, Graham Norton HRB 21284 (AG Nürnberg) Key fingerprint = EC38 9CAB C2C4 F25D 8600 D0D0 0393 969D 2D76 0850