== sanity test 311: disable OSP precreate, and unlink should destroy objs ========================================================== 23:00:26 (1784084426)
old_iused=        449
total: 1000 open/close in 6.93 seconds: 144.32 ops/second
suppose current old_iused=1449
create_count=32, max_create_count=20000
 - unlinked 0 (time 1784084438 ; 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
        441 
waited 1 sec, old Iused 1449, new Iused         441