>>>> I hit on another approach. Although it doesn'tprevent any merge as Linus
>>>> preferred, it can fix the problem anyway. In this idea, in_flight is
>>>> incremented and decremented for the partition which the request belonged
>>>> to in its creation. It has the following merits.
>>
>> Revert is already finished. 2.6.37-rc-5 and latest stable kernel doesn't
>> contain Yasuaki's former logic.
>>
>>
https://lkml.org/lkml/2010/10/24/118
>
> Yes I know, that is why I said:
>
>>> I really would prefer if we fixed up the patchset we ended up reverting.
>>> At least that had a purpose with growing struct request, since we saved
>>> on doing the partition lookups.
>
> That I prefer we fix that code up, since I think it's the best solution
> to the problem.
>
