Am Sonntag, 16. September 2018, 14:50:04 CEST schrieb Hans van Kranenburg: > The last example, where you make a subvolume and move everything into > it, will not do what you want. Since a subvolume is a separate new > directoty/file hierarchy, mv will turn into a cp and rm operation > (without warning you) probably destroying information about data shared > between files.
I thought that wasn't true anymore. The NEWS file to coreutils contains this (for version 8.24): mv will try a reflink before falling back to a standard copy, which is more efficient when moving files across BTRFS subvolume boundaries. -- Marc Joliet -- "People who think they know everything really annoy those of us who know we don't" - Bjarne Stroustrup
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