== sanity test 311: disable OSP precreate, and unlink should destroy objs ========================================================== 18:54:12 (1787784852)
old_iused=        447
 - open/close 653 (time 1787784868.77 total 10.01 last 65.26)
total: 1000 open/close in 15.72 seconds: 63.63 ops/second
suppose current old_iused=1447
create_count=32, max_create_count=20000
 - unlinked 0 (time 1787784883 ; total 0 ; last 0)
total: 1000 unlinks in 11 seconds: 90.909088 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