> Is there extra scsi_mq_done() part that does IPI here even necessary
> anymore..?
>
> I was under the assumption that blk_mq_end_io() is already taking care
> of this..?
blk_mq_end_io does it, but given that the SCSI-specific I/O completion
path is non-trivial I'd rather run it on the indicated
On Fri, Feb 07, 2014 at 02:45:18AM -0600, Mike Christie wrote:
> Yeah, it would be nice if like in Nick's patches, the driver could just
> set the scsi_host_template->cmd_size then when the scsi_cmnd got to the
> driver's queuecommand, the driver could just get its internal cmd struct
> from the sc
On 02/06/2014 04:11 PM, Nicholas A. Bellinger wrote:
>> +struct request_queue *scsi_mq_alloc_queue(struct scsi_device *sdev)
>> > +{
>> > + struct Scsi_Host *shost = sdev->host;
>> > + struct blk_mq_hw_ctx *hctx;
>> > + struct request_queue *q;
>> > + struct request *rq;
>> > + struct scsi_cmn
On Wed, 2014-02-05 at 04:41 -0800, Christoph Hellwig wrote:
> plain text document attachment
> (0012-scsi-initial-blk-mq-support.patch)
> Add support for using the blk-mq code to submit requests to SCSI
> drivers. There is very little blk-mq specific code, but that's
> partially because important
On Thu, Feb 06, 2014 at 10:38:17AM +0200, Sagi Grimberg wrote:
> Both you and Nic offer a single HW queue per sdev.
> I'm wandering if that should be the LLD's decision (if chooses to
> use multiple queues)?
>
> Trying to understand how LLDs will fit in a way they exploit
> multi-queue and actuall
On 2/5/2014 2:41 PM, Christoph Hellwig wrote:
Add support for using the blk-mq code to submit requests to SCSI
drivers. There is very little blk-mq specific code, but that's
partially because important functionality like partial completions
and request requeueing is still missing in blk-mq. I h
Add support for using the blk-mq code to submit requests to SCSI
drivers. There is very little blk-mq specific code, but that's
partially because important functionality like partial completions
and request requeueing is still missing in blk-mq. I hope to keep
most of the additions for these in t
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