Re: [ANNOUNCE] Native Linux KVM tool v2

[Christoph Hellwig]

On Thu, Jun 16, 2011 at 09:21:03AM +0300, Pekka Enberg wrote:
> And btw, we use sync_file_range() 

Which doesn't help you at all.  sync_file_range is just a hint for VM
writeback, but never commits filesystem metadata nor the physical
disk's write cache.  In short it's a completely dangerous interface, and
that is pretty well documented in the man page.

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