== sanity test 311: disable OSP precreate, and unlink should destroy objs ========================================================== 04:50:44 (1780995044)
old_iused=        447
 - open/close 593 (time 1780995060.99 total 10.01 last 59.23)
total: 1000 open/close in 16.25 seconds: 61.52 ops/second
suppose current old_iused=1447
create_count=32, max_create_count=20000
 - unlinked 0 (time 1780995075 ; total 0 ; last 0)
total: 1000 unlinks in 9 seconds: 111.111115 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