ckly restore it.  I remove the 
snapshot when I am satisfied that all is well.

With the btrfs filesystem top level mounted at /mnt

btrfs subvolume list /mnt
ID 256 gen 24056 top level 5 path Root	<-- root system
ID 257 gen 24057 top level 5 path Home	<-- home directories at /home
ID 258 gen 24037 top level 5 path Pkgs	<-- pacman package cache
ID 259 gen 10056 top level 256 path Root/var/lib/portables
ID 260 gen 10056 top level 256 path Root/var/lib/machines
ID 286 gen 10056 top level 5 path Nginx	<-- nspawn container running ngix
ID 287 gen 10056 top level 286 path Nginx/var/lib/portables
ID 288 gen 10056 top level 286 path Nginx/var/lib/machines

I have not seen empty directories on any of my machines

-- 
Hindi madali ang maging akopacman - errors with expac already existing, then errors on clean cache??Pocket <pocket@columbus.rr.com> undefinedarch-general@lists.archlinux.org undefined‹d„Òe