== sanity test 311: disable OSP precreate, and unlink should destroy objs ========================================================== 11:29:22 (1787844562)
old_iused=        449
 - open/close 711 (time 1787844577.53 total 10.01 last 71.03)
total: 1000 open/close in 14.13 seconds: 70.79 ops/second
suppose current old_iused=1449
create_count=32, max_create_count=20000
 - unlinked 0 (time 1787844589 ; total 0 ; last 0)
total: 1000 unlinks in 7 seconds: 142.857147 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