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SubjectRe: [PATCH] Direct I/O bio size regression
On Wed, 2006-04-26 at 12:30 +1000, David Chinner wrote:
> Got any data that you can share with us?

The thread was from July 2004 and was called:

Re: [linux-audio-dev] Re: [announce]
[patch] Voluntary Kernel Preemption

Also some info in thread:

Re: [patch]

> Wrt latency, is the problem to do with large requests causing short
> term latency? I thought that latency minimisation is the job of the
> I/O scheduler, so if this is the case, doesn't this indicate a
> deficiency of the I/O scheduler? e.g. the I/o scheduler could split
> large requests to reduce latency, just like you merge adjacent
> requests to reduce the number of I/Os and keep overall latency
> low...

I think you are talking past each other - Jens is referring to scheduler
latency, not IO latency.


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