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Date: Wed, 09 Jan 2013 18:46:40 +0800
From: Liu Yuan <namei.unix@gmail.com>
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Subject: Re: [Qemu-devel] [PATCH] sheepdog: implement direct write semantics
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To: Paolo Bonzini <pbonzini@redhat.com>
Cc: Kevin Wolf <kwolf@redhat.com>, Stefan Hajnoczi <stefanha@gmail.com>, qemu-devel@nongnu.org, MORITA Kazutaka <morita.kazutaka@lab.ntt.co.jp>

On 01/09/2013 06:40 PM, Paolo Bonzini wrote:
> 1) how slower is QEMU's emulated-writethrough mode for writes, due to
> the extra requests?
> 

I'll collect some numbers on it.

> 2) how slower is QEMU's writeback mode for reads, due to the different
> structure of the cache?

Sorry, I don't get your question.

I didn't say QEMU's writeback mode is slow for reads, did I?

Thanks,
Yuan