On Mon, 04/24 20:09, Fam Zheng wrote: > It's a separate problem. To be specific:
1) there is an option "overlap-check" that one can use to disable the costly metadata check; 2) qcow2 with cluster_size = 512 is probably too uncommon to be optimized for. Both are irrelevant to why and how this patch can be improved, IMO. Fam