From: Kevin Wolf <kwolf@redhat.com>
To: Christoph Hellwig <hch@lst.de>
Cc: devin122@gmail.com, Stefan Hajnoczi <stefanha@gmail.com>,
Jagane Sundar <jagane@sundar.org>, Dor Laor <dlaor@redhat.com>,
qemu-devel <qemu-devel@nongnu.org>,
Markus Armbruster <armbru@redhat.com>,
Feiran Zheng <famcool@gmail.com>,
Frediano Ziglio <freddy77@gmail.com>,
Jes Sorensen <Jes.Sorensen@redhat.com>,
Paolo Bonzini <pbonzini@redhat.com>
Subject: Re: [Qemu-devel] Block layer roadmap
Date: Thu, 28 Jul 2011 14:29:20 +0200 [thread overview]
Message-ID: <4E315620.2020506@redhat.com> (raw)
In-Reply-To: <20110728120822.GA17045@lst.de>
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
next prev parent reply other threads:[~2011-07-28 12:26 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-07-27 12:37 [Qemu-devel] Block layer roadmap Stefan Hajnoczi
2011-07-27 12:50 ` Anthony Liguori
2011-07-28 10:05 ` Kevin Wolf
2011-07-28 12:08 ` Christoph Hellwig
2011-07-28 12:29 ` Kevin Wolf [this message]
2011-07-28 10:52 ` Stefan Hajnoczi
2011-07-28 12:09 ` Christoph Hellwig
2011-07-28 12:15 ` Frediano Ziglio
2011-07-28 12:16 ` Christoph Hellwig
2011-07-28 12:35 ` Kevin Wolf
2011-07-28 12:54 ` Stefan Hajnoczi
2011-07-28 13:10 ` Kevin Wolf
2011-07-28 13:11 ` Stefan Hajnoczi
2011-07-28 12:52 ` Anthony Liguori
2011-07-29 12:35 ` Stefan Hajnoczi
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