[Devel] Re: [PATCH 12/23] io-controller: Wait for requests to complete from last queue before new queue is scheduled

[Rik van Riel]

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>

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