> Il giorno 02 dic 2016, alle ore 01:27, Jens Axboe <ax...@kernel.dk> ha 
> scritto:
> On 12/01/2016 02:03 PM, Jens Axboe wrote:
>> On 11/14/2016 03:42 PM, Jens Axboe wrote:
>>> On 11/14/2016 03:13 PM, Paolo Valente wrote:
>>>> Hi Jens,
>>>> have you had time to look into the first extensions/changes required?
>>>> Any time plan?
>>> I was busy last week on the writeback and on the polling. I should have
>>> something end this week.
>> It's coming together, running some testing and fixing some issues. But I
>> now have unmodified legacy IO schedulers running under blk-mq, for
>> single queue devices. Scheduler queue depth is independent of the device
>> queue depth.
> Here is the branch, btw:
> http://git.kernel.dk/cgit/linux-block/log/?h=for-4.11/blk-mq-legacy-sched
> if you want to look at it or test it. It's not in a clean state, I
> wanted to get this reasonably working before cleaning it up. Should be
> ready for testing, I've successfully run various IO tests on deadline
> and CFQ with null_blk loaded with queue_mode=2 submit_queues=1
> use_sched=1.

Good news!

I'm familiarizing with your patch.  To avoid useless, too-early report,
tell me if/when I can start doing some test too.


> -- 
> Jens Axboe

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