> > Avi Kivity wrote: > > >> This _looks_ like it would severely impact cpu load during a write. > >> Have you done any testing to determine if this is likely > to impact a > >> normal usage scenario? > > > > Why would it? In most cases, the zero test would terminate quickly, > > without accessing the entire cluster. > > > > Good point, when I looked at it my brain was in zero wipe > mode.. which would be slow but then a > bucketload faster than writing the actual cluster to disk.. > > Brad
I use the patch to reduce image size. I use a RIP (repair is possible) ISO image to boot a small Linux system where I can issue ntfswipe (or any other wipe command). Than I can recompress image with qemu-img. freddy77 _______________________________________________ Qemu-devel mailing list Qemu-devel@nongnu.org http://lists.nongnu.org/mailman/listinfo/qemu-devel