RE: Cache queue_congestion_on/off_threshold

Chen, Kenneth W
2004-05-07T22:00:28Z

>>>> Jens Axboe wrote on Friday, May 07, 2004 2:39 AM
> On Thu, May 06 2004, Chen, Kenneth W wrote:
> > (3) can we allocate request structure up front in __make_request?
> > For I/O that cannot be merged, the elevator code executes twice
> > in __make_request.
> >
>
> Actually, with the good working batching we might get away with killing
> freereq completely. Have you tested that (if not, could you?)

Sorry, I'm clueless on "good working batching". If you could please give
me some pointers, I will definitely test it.

- Ken