== sanity test 311: disable OSP precreate, and unlink should destroy objs ========================================================== 06:13:23 (1773224003)
old_iused=        447 
 - open/close 595 (time 1773224018.68 total 10.02 last 59.40)
total: 1000 open/close in 17.37 seconds: 57.57 ops/second
suppose current old_iused=1447
create_count=32, max_create_count=20000
 - unlinked 0 (time 1773224033 ; total 0 ; last 0)
total: 1000 unlinks in 8 seconds: 125.000000 unlinks/second
sleep 5 for ZFS MDS
sleep 5 for ZFS OST
Waiting for MDT destroys to complete
sleep 20 for ZFS MDS
        439  
waited 1 sec, old Iused 1447, new Iused         439