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Re: seems to be a flaw in cfq [message #9190 is a reply to message #9189]

Thu, 21 December 2006 13:41

Jens Axboe
Messages: 30
Registered: October 2006

Member

On Thu, Dec 21 2006, Vasily Tarasov wrote:
> Hello,
>
> On 2.6.19 "buffered randread" bizarre behavior persists. So it was fixed
> somewhere in 2.6.20... Can you give me a guess, what changes in 2.6.20
> cause this fix? The point is that we want to port it back to 2.6.18
> (rhel-5), if possible.

Is the 2.6.19 buffered randread case a CFQ only problem?

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Jens Axboe

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[Message index]

		seems to be a flaw in cfq By: Vasily Tarasov on Tue, 19 December 2006 13:53
		Re: seems to be a flaw in cfq By: Jens Axboe on Tue, 19 December 2006 14:37
		Re: seems to be a flaw in cfq By: Jens Axboe on Tue, 19 December 2006 14:54
		Re: seems to be a flaw in cfq By: Jens Axboe on Tue, 19 December 2006 14:59
		Re: seems to be a flaw in cfq By: Jens Axboe on Tue, 19 December 2006 18:47
		Re: seems to be a flaw in cfq By: Vasily Tarasov on Wed, 20 December 2006 07:09
		Re: seems to be a flaw in cfq By: Jens Axboe on Wed, 20 December 2006 09:33
		Re: seems to be a flaw in cfq By: Jens Axboe on Wed, 20 December 2006 09:35
		Re: seems to be a flaw in cfq By: Jens Axboe on Wed, 20 December 2006 09:38
		Re: seems to be a flaw in cfq By: Vasily Tarasov on Thu, 21 December 2006 09:03
		Re: seems to be a flaw in cfq By: Jens Axboe on Thu, 21 December 2006 09:14
		Re: seems to be a flaw in cfq By: Jens Axboe on Thu, 21 December 2006 09:15
		Re: seems to be a flaw in cfq By: Vasily Tarasov on Thu, 21 December 2006 12:16
		Re: seems to be a flaw in cfq By: Jens Axboe on Thu, 21 December 2006 13:41
		Re: seems to be a flaw in cfq By: Vasily Tarasov on Thu, 21 December 2006 15:49
		Re: seems to be a flaw in cfq By: Jens Axboe on Thu, 21 December 2006 15:58
		Re: seems to be a flaw in cfq By: Vasily Tarasov on Fri, 22 December 2006 06:27
		Re: seems to be a flaw in cfq By: Jens Axboe on Fri, 22 December 2006 09:37

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