== sanity test 311: disable OSP precreate, and unlink should destroy objs ========================================================== 06:49:17 (1788605357)
old_iused=        447 
 - open/close 688 (time 1788605372.92 total 10.02 last 68.70)
total: 1000 open/close in 13.62 seconds: 73.41 ops/second
suppose current old_iused=1447
create_count=32, max_create_count=20000
 - unlinked 0 (time 1788605384 ; 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