Re: Fwd: [PATCH 0/5] cfq-iosched: improve latency for no-idle queues (v3)

From: Jeff Moyer
Date: Tue Nov 03 2009 - 15:26:16 EST

Jens Axboe <jens.axboe@xxxxxxxxxx> writes:

> Since for-linus contains conflicting changes, can you and Jeff please
> double check that everything is still in order? The interesting bit here
> is the merge with for-2.6.33 and the coop limit from Shaohua Li. I did
> the straight forward merge, but we likely just need to drop that logic
> since the coop concept is radically different given that we merge and
> break queues in for-2.6.33.

Yeah, since I changed the meaning of the cfqq_coop flag, a lot of those
tests are just plain wrong. Let me play with it and I'll send you an
incremental patch in a bit.

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