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Re: [Qemu-devel] Block layer roadmap
From: |
Kevin Wolf |
Subject: |
Re: [Qemu-devel] Block layer roadmap |
Date: |
Thu, 28 Jul 2011 14:29:20 +0200 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:5.0) Gecko/20110707 Thunderbird/5.0 |
Am 28.07.2011 14:08, schrieb Christoph Hellwig:
> On Thu, Jul 28, 2011 at 12:05:43PM +0200, Kevin Wolf wrote:
>> Another item that just came up on IRC again: Allow guests to toggle WCE,
>> so that we finally can get rid of the cache=writethrough default. We
>> should definitely get this done before 1.0.
>
> Guest toggling is nice and cool, but the real feature is to allow it on
> the command line. As mentioned about 10 times before guests generally don't
> fiddle with it without the administrator triggering it manually. So
> specifying it in the qemu config is the much better interface for 95% of
> the use cases.
I don't really care about guest toggling. I care about the default cache
mode, and Anthony said that he doesn't agree with changing it unless
guests can toggle it.
Kevin
Re: [Qemu-devel] Block layer roadmap, Stefan Hajnoczi, 2011/07/29