On Fri, 2016-04-29 at 14:11 -0700, Ming Lin wrote:
> Hi,
>
> I use mlx5 to setup iSER and have scsi mq enabled.
>
> root@xxx:~# cat /sys/module/scsi_mod/parameters/use_blk_mq
> Y
>
> But it seems there is only 1 HW queue that maps to 48 SW queues.
>
> root@xxx:/sys/block/sdb/mq# ls
> 0
>
> root@xxx:/sys/block/sdb/mq# ls 0/
> active cpu1 cpu11 cpu13 cpu15 cpu17 cpu19 cpu20 cpu22 cpu24
> cpu26 cpu28 cpu3 cpu31 cpu33 cpu35 cpu37 cpu39 cpu40 cpu42
> cpu44 cpu46 cpu5 cpu7 cpu9 dispatched pending run
> cpu0 cpu10 cpu12 cpu14 cpu16 cpu18 cpu2 cpu21 cpu23 cpu25
> cpu27 cpu29 cpu30 cpu32 cpu34 cpu36 cpu38 cpu4 cpu41 cpu43
> cpu45 cpu47 cpu6 cpu8 cpu_list io_poll queued tags
>
> How to configure it that I can have 48 HW queues?
> That is 1 HW queue map to 1 SW queue.
Hi Sagi,
I'm looking at why there is only 1 HW queue for iser.
2185 int scsi_mq_setup_tags(struct Scsi_Host *shost)
2186 {
...
2199 shost->tag_set.nr_hw_queues = shost->nr_hw_queues ? : 1;
It seems because iser code does not set shost->nr_hw_queues at all.
Why?
--
To unsubscribe from this list: send the line "unsubscribe target-devel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
