rm -rf $SCRATCH_MNT/* >& /dev/null
_run_btrfs_util_prog filesystem sync $SCRATCH_MNT
-$BTRFS_UTIL_PROG qgroup show $SCRATCH_MNT | $SED_PROG -n '/[0-9]/p' \
+units=`_btrfs_qgroup_units`
+$BTRFS_UTIL_PROG qgroup show $units $SCRATCH_MNT | $SED_PROG -n '/[0-9]/p' \
| $AWK_PROG '{print $2" "$3}'
status=0