On 12/08/10 09:54, Kevin Wolf wrote: > Am 07.12.2010 21:36, schrieb Stefan Hajnoczi: >> Today it is possible to create 0 byte sized images. Your patch will >> change that: >> If there is a backing file, then the size will be taken from the backing >> file. >> If there is no backing file, then an error about missing size will be >> printed, even though a size of 0 has been given. > > I can think of one use case for it: You can store the VM state on a > zero-sized qcow2 image for internal snapshots. > > Otherwise it's probably rather useless, but we have supported it for a > long time, so I wouldn't remove it. People have actually noticed in the > past when something was broken with it.
Ok that is fair, I have just posted an updated version which should do the right thing. Shows up it made the patch even simpler :) Cheers, Jes
