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From: Jes Sorensen <Jes.Sorensen@redhat.com>
To: Anthony Liguori <anthony@codemonkey.ws>
Cc: hch@infradead.org, aliguori@us.ibm.com, qemu-devel@nongnu.org,
	crobinso@redhat.com
Subject: Re: [Qemu-devel] [PATCH] QEMU: change default disk cache behavior
Date: Thu, 20 May 2010 15:49:17 +0200	[thread overview]
Message-ID: <4BF53DDD.20103@redhat.com> (raw)
In-Reply-To: <4BF53BB6.5060402@codemonkey.ws>

On 05/20/10 15:40, Anthony Liguori wrote:
> On 05/20/2010 08:36 AM, Jes Sorensen wrote:
>>> And I strongly suspect that such a blanket change would be wrong but
>>> that a more targeted change like making cache=none default for physical
>>> devices would satisfy mostly everyone.
>>>      
>> Is there any other thing than physical devices attached to the -drive
>> parameter?
> 
> Image files which are the overwhelming more common use-case.

For image files we certainly want it too, at least for proper ones (ie.
raw). It could be that it causes problems for qcow2.

I'll try and look at it when I am back.

Cheers,
Jes

  reply	other threads:[~2010-05-20 13:49 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-05-20  9:32 [Qemu-devel] [PATCH] QEMU: change default disk cache behavior Jes.Sorensen
2010-05-20  9:32 ` [Qemu-devel] [PATCH] QEMU: Change default disk caching to nocache Jes.Sorensen
2010-05-20 15:24   ` [Qemu-devel] " Paolo Bonzini
2010-05-20 18:56     ` Anthony Liguori
2010-05-20 12:30 ` [Qemu-devel] [PATCH] QEMU: change default disk cache behavior Anthony Liguori
2010-05-20 13:36   ` Jes Sorensen
2010-05-20 13:40     ` Anthony Liguori
2010-05-20 13:49       ` Jes Sorensen [this message]
2010-05-20 14:05         ` Stefan Hajnoczi
2010-05-20 18:58         ` Anthony Liguori

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