Re: [Qemu-devel] QEMU online guest disk resize wrt host block devices

[Christoph Hellwig <hch@lst.de>]

On Thu, Sep 01, 2011 at 03:27:35PM +0100, Daniel P. Berrange wrote:
> One other question too, when creating a qcow2 image via 'qemu-img create'
> you can specify a 'prealloc' option to require metadata to be allocated
> at time of creation.
> 
> Should we have the same control at time of resize too. If the app had
> originally created the qcow2 image with preallocated metadata, then
> I'd expect they want to pre-allocate metadata when extending it too,
> or is there no additional metadata allocation required when extending
> an image ?

Sounds reasonable.  Keving, is there a sane way to implement this?

> 
> 
> Daniel
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