lkocman@localhost:~> mount | egrep "opt|/usr/local" /dev/nvme0n1p2 on /opt type btrfs (rw,relatime,seclabel,ssd,space_cache=v2,subvolid=261,subvol=/@/opt) /dev/nvme0n1p2 on /usr/local type btrfs (rw,relatime,seclabel,ssd,space_cache=v2,subvolid=258,subvol=/@/usr/local)