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Re: [Qemu-devel] Re: KVM call minutes for Sept 14


From: Anthony Liguori
Subject: Re: [Qemu-devel] Re: KVM call minutes for Sept 14
Date: Wed, 15 Sep 2010 08:21:25 -0500
User-agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.1.12) Gecko/20100826 Lightning/1.0b1 Thunderbird/3.0.7

On 09/15/2010 07:38 AM, Kevin Wolf wrote:
No, we don't really care if the L2 entry is on disk. If the guest want
to have its data safe it needs to issue an explicit flush anyway. The
only thing we want to achieve with bdrv_write_sync is to maintain the
right order between metadata updates to survive a crash without corruption.

Ah, yes, this is brand new :-)

I was looking at my QED branch which is a few weeks old.

Regards,

Anthony Liguori

Kevin




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