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Re: [libvirt] [PATCH v5 2/5] conf: add features to volume target XML



On 06/19/2013 05:24 PM, Ján Tomko wrote:
> Add <features> and <compat> elements to volume target XML.
> 
> <compat> is a string which for qcow2 represents the QEMU version
> it should be compatible with. Valid values are 0.10 and 1.1.
> 1.1 is implicit if the <features> element is present, otherwise
> qemu-img default is used. 0.10 can be specified to explicitly
> create older images after the qemu-img default changes.
> 
> <features> contains optional features, so far
> <lazy_refcounts/> is available, which enables caching of reference
> counters, improving performance for snapshots.
> ---

ACK,

Martin


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