Messages in this thread |  | | | Subject | Re: [PATCH] Direct I/O bio size regression | | From | Lee Revell <> | | Date | Sun, 07 May 2006 12:25:45 -0400 |
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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 Patch
Also some info in thread:
Re: [patch] voluntary-preempt-2.6.8-rc2-M5
> 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.
Lee
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