[[!comment format=mdwn username="jscinoz@dc383eb6c5526eeb832a38ef5e5e626cf282ee6c" nickname="jscinoz" subject="comment 1" date="2016-07-18T06:17:57Z" content=""" Oh, my mistake. It appears git-annex already does this - I mistakenly had one of the repositories in a different btrfs subvolume. """]]