> -----Original Message----- > From: Hannes Reinecke [mailto:hare@xxxxxxx] > Sent: Wednesday, November 09, 2016 9:45 AM > To: Christoph Hellwig; Don Brace > Cc: Martin K. Petersen; James Bottomley; linux-scsi@xxxxxxxxxxxxxxx; Hannes > Reinecke > Subject: Re: [PATCH] hpsa: switch to pci_alloc_irq_vectors > > EXTERNAL EMAIL > > > On 11/09/2016 04:36 PM, Christoph Hellwig wrote: > > On Wed, Nov 09, 2016 at 03:32:48PM +0000, Don Brace wrote: > >> Do we need to add an entry for map_queues? > > > > The existing driver only supports a single submission queue. > > If some of the devices support more than one submission queue > > we could enhance the driver to support it, but we'd need docs > > and hardware. > > > Hardware is not an issue :-) > > However, I'm still curious about the layout of the queues. > Are all queues (in performant mode) identical and can we use them for > parallel submission? Or do we have to treat them differently?\ All of the submission queues are identical. > (There were some rumours that it actually uses the queues for different > I/O sizes ...) This is an untrue rumor. :) Thanks, Don Brace ESC - Smart Storage Microsemi Corporation > > Once that is cleared up it shouldn't be too hard moving to full > multiqueue support. > (If we have identical queues, that is :-) > > Cheers, > > Hannes > -- > Dr. Hannes Reinecke Teamlead Storage & Networking > hare@xxxxxxx +49 911 74053 688 > SUSE LINUX GmbH, Maxfeldstr. 5, 90409 Nürnberg > GF: F. Imendörffer, J. Smithard, J. Guild, D. Upmanyu, G. Norton > HRB 21284 (AG Nürnberg) -- To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
