[PATCH 12/23] io-controller: Wait for requests to complete from last queue before new queue is scheduled
Rik van Riel
riel at redhat.com
Sat Aug 29 17:40:04 PDT 2009
Vivek Goyal wrote:
> o Because above behavior can result in reduced throughput, this behavior will
> be enabled only if user sets "fairness" tunable to 1.
> o This patch helps in achieving more isolation between reads and buffered
> writes in different cgroups.
Could be a nice help against SATA NCQ request starvation.
> Signed-off-by: Vivek Goyal <vgoyal at redhat.com>
Acked-by: Rik van Riel <riel at redhat.com>
All rights reversed.
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