== baseline M_JOURNAL accounting ==
            journal       0       0       0    390M        2
       journal-fifo       0       0       0    390M        1
/mnt/leak:L1 added
/mnt/leak:L2 added
/mnt/leak:L3 added
/mnt/leak:L4 added
/mnt/leak:L5 added
== after 5 journaled mount/unmount cycles ==
            journal       5   5.00K       0    390M       12
       journal-fifo       0       0       0    390M        6
== full vmstat -m journal line history done ==