Emlekeim szerint df btrfs eseten sacometernek jo csak:
root@stor-pod-1:~# df -h /
Filesystem Size Used Avail Use% Mounted on
/dev/mapper/ssd-root 22G 8.8G 12G 43% /
root@stor-pod-1:~# btrfs fil df /
Data: total=11.01GB, used=7.70GB
System, DUP: total=8.00MB, used=4.00KB
System: total=4.00MB, used=0.00
Metadata, DUP: total=1.00GB, used=566.80MB
Metadata: total=8.00MB, used=0.00