== sanity test 311: disable OSP precreate, and unlink should destroy objs ========================================================== 11:45:37 (1781624737)
old_iused=        447
total: 1000 open/close in 7.58 seconds: 131.90 ops/second
suppose current old_iused=1447
create_count=32, max_create_count=20000
 - unlinked 0 (time 1781624750 ; total 0 ; last 0)
total: 1000 unlinks in 3 seconds: 333.333344 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