On Tue, Jun 04, 2024 at 04:39:25PM +0900, Damien Le Moal wrote: > > But I wasn't aware that this approach is limited to copying within a > > single block devices; that would be quite pointless indeed. > > Not pointless for any FS doing CoW+Rebalancing of block groups (e.g. btrfs) and > of course GC for FSes on zoned devices. But for this use case, an API allowing > multiple sources and one destination would be better. Yes.
