== sanity test 311: disable OSP precreate, and unlink should destroy objs ========================================================== 07:44:07 (1789127047)
old_iused=        448
 - open/close 600 (time 1789127062.11 total 10.00 last 59.97)
total: 1000 open/close in 16.54 seconds: 60.45 ops/second
suppose current old_iused=1448
create_count=32, max_create_count=20000
 - unlinked 0 (time 1789127075 ; 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
        440 
waited 1 sec, old Iused 1448, new Iused         440