== sanity test 311: disable OSP precreate, and unlink should destroy objs ========================================================== 02:01:11 (1787119271)
old_iused=        447
 - open/close 666 (time 1787119287.38 total 10.03 last 66.42)
total: 1000 open/close in 15.43 seconds: 64.82 ops/second
suppose current old_iused=1447
create_count=32, max_create_count=20000
 - unlinked 0 (time 1787119300 ; total 0 ; last 0)
total: 1000 unlinks in 10 seconds: 100.000000 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