From mboxrd@z Thu Jan  1 00:00:00 1970
From: Keir Fraser <keir@xensource.com>
Subject: Re: [Patch] Buffer disk I/O requests
Date: Mon, 14 May 2007 13:24:22 +0100
Message-ID: <C26E1386.EE10%keir@xensource.com>
References: <08DF4D958216244799FC84F3514D70F00AB948@pdsmsx415.ccr.corp.intel.com>
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To: "Han, Weidong" <weidong.han@intel.com>, xen-devel@lists.xensource.com
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What sort of improvement does it achieve? It's a pretty hacky thing to have
to add... :-(

 -- Keir


On 14/5/07 10:36, "Han, Weidong" <weidong.han@intel.com> wrote:

> Disk I/O of VM is slow compared to native, I/O port access consumes time
> significantly, which could be partly improved with buffered I/O.
> The attached patch partly improves the performance of disk I/O through
> buffering Disk I/O requests.
>  
> Signed-off-by: Zhiteng Huang <zhiteng.huang@intel.com>
> Signed-off-by: Weidong Han <weidong.han@intel.com>
> 
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