On Mon, Dec 12, 2016 at 02:40:08PM -0800, Himanshu Madhani wrote:
> From: Michael Hernandez <michael.hernandez@xxxxxxxxxx>
>
> Tell the SCSI layer how many hardware queues we have based on the number
> of max queue pairs created. The number of max queue pairs created will
> depend on number of MSI-X vector count.
>
> This feature can be turned on via CONFIG_SCSI_MQ_DEFAULT or passing
> scsi_mod.use_blk_mq=Y as a parameter to the kernel
Looks fine,
Reviewed-by: Christoph Hellwig <hch@xxxxxx>
> +static int qla2xxx_map_queues(struct Scsi_Host *shost)
> +{
> + scsi_qla_host_t *vha = (scsi_qla_host_t *)shost->hostdata;
> +
> + return blk_mq_pci_map_queues(&shost->tag_set, vha->hw->pdev);
> +}
FYI, without the PCI_IRQ_AFFINITY flag this is useless, but also
harmless. I'd suggest you send a patch to introduce irq-layer
affinity once we have that in mainline.
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