On Wed, 10 Mar 2010 10:28:43 +0100 Christoph Hellwig <h...@lst.de> wrote:
> On Wed, Mar 10, 2010 at 09:33:31AM +0100, Kevin Wolf wrote: > > When should a low watermark trigger? Images only ever grow, so testing > > if the highest allocated block goes below some watermark would never > > work (except for some unlikely special cases like deleting a snapshot > > after which no new clusters have been allocated). > > Wither proper guest support images can shrink. I'm about to land > support for that in qemu, although for now just for every limited > setups. It were this kind of future functionality I was concerned about.
