== sanity test 311: disable OSP precreate, and unlink should destroy objs ========================================================== 18:02:03 (1787868123)
old_iused=        447
 - open/close 652 (time 1787868139.98 total 10.00 last 65.18)
total: 1000 open/close in 16.14 seconds: 61.97 ops/second
suppose current old_iused=1447
create_count=32, max_create_count=20000
 - unlinked 0 (time 1787868154 ; total 0 ; last 0)
total: 1000 unlinks in 8 seconds: 125.000000 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