Am 25.05.2016 um 00:25 hat Eric Blake geschrieben: > Another step on our continuing quest to switch to byte-based > interfaces. > > There are still opportunities to optimize the qcow2 handling > of zero clusters. For example, if the backing file only has > non-zero data in the portion about to be overwritten, then > we could widen the request and make the entire cluster zero, > rather than falling back to -ENOTSUP. But for this patch, > intentionally leave the semantics unchanged, even if not > optimal. > > Signed-off-by: Eric Blake <ebl...@redhat.com>
Reviewed-by: Kevin Wolf <kw...@redhat.com>
