On Mon, 2017-10-16 at 13:30 +0200, Hannes Reinecke wrote: > On Fri, Oct 13, 2017 at 05:08:52PM +0000, Bart Van Assche wrote: > > (+Himanshu Madhani) > > > > Himanshu, do you perhaps know whether it is safe to increase cmd_per_lun for > > the qla2xxx initiator driver to the scsi_host->can_queue value? > > '3' is just a starting point; later on it'll be adjusted via scsi_change_depth(). > Looks like it's not working correctly with blk-mq, though. Hello Hannes, Isn't the purpose of scsi_change_queue_depth() to change the sdev queue_depth only? As far as I know there is only one assignment of shost->cmd_per_lun in the SCSI core and that's the following assignment in scsi_host_alloc(): shost->cmd_per_lun = sht->cmd_per_lun; Bart.