Re: [PATCHSET v4] blk-mq-scheduling framework

[Paolo Valente]

> Il giorno 18 gen 2017, alle ore 17:21, Jens Axboe <axboe@xxxxxx> ha scritto:
> 
> On 01/18/2017 08:14 AM, Paolo Valente wrote:
>> according to the function blk_mq_sched_put_request, the
>> mq.completed_request hook seems to always be invoked (if set) for a
>> request for which the mq.put_rq_priv is invoked (if set).
> 
> Correct, any request that came out of blk_mq_sched_get_request()
> will always have completed called on it, regardless of whether it
> had IO started on it or not.
> 

It seems that some request, after being dispatched, happens to have no
mq.put_rq_priv invoked on it now or then.  Is it expected?  If it is,
could you point me to the path through which the end of the life of
such a request is handled?

Thanks,
Paolo

> -- 
> Jens Axboe
>