openfreemap/docs/quick_notes/fs_stats/btrfs_not_used.txt

# takes a lot of time, should only be used when debugging

echo -e "\n\nbtrfs filesystem du -s"
sudo btrfs filesystem du -s mnt_rw

echo -e "\n\ncompsize -x"
sudo compsize -x mnt_rw 2> /dev/null || true