== sanity test 311: disable OSP precreate, and unlink should destroy objs ========================================================== 17:47:11 (1781214431)
old_iused=        447
 - open/close 888 (time 1781214446.91 total 10.02 last 88.63)
total: 1000 open/close in 11.42 seconds: 87.54 ops/second
suppose current old_iused=1447
create_count=32, max_create_count=20000
 - unlinked 0 (time 1781214455 ; 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