On 29.12.2015 10:38, lihuiba wrote:
> Hi,
> 
> In our production environment, we need to extend a qcow2 image with
> snapshots in it. This feature, however, is not implemented yet. 
> 
> So I want to ask, if this feature is under active development?

No, it is not.

> How can I
> help with this feature?

Well, you can implement it. ;-)

> It seems that, this feature is not too difficult as long as cluster_size
> is kept unchanged. Is this correct?

The thing is that one would need to update all the inactive L1 tables. I
don't think it should be too difficult, it's just that apparently so far
nobody ever had the need for this feature.

I can take a look, but I can't say anything about whether or when
anything will come out of it.

Max