On Mon, Nov 28, 2011 at 7:54 PM, Sasha Levin <levinsasha928@xxxxxxxxx> wrote:
> Indirect buffers are ring descriptors which point to more (even more)
> descriptors.
>
> This can be used to increase the effective ring capacity, which helps the
> guest to batch large requests - very useful for blk devices.
>
> This patch also enables indirect buffers for virtio-net and virtio-blk.
>
> The patch is based on the lguest's code which does the same.
>
> Signed-off-by: Sasha Levin <levinsasha928@xxxxxxxxx>
In what exact way is it useful? Improved throughput? Will this have
negative impact on virtio block or virtio net latency?
Pekka
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