== sanity test 311: disable OSP precreate, and unlink should destroy objs ========================================================== 10:09:43 (1787839783)
old_iused=        445
 - open/close 897 (time 1787839797.34 total 10.02 last 89.57)
total: 1000 open/close in 11.34 seconds: 88.16 ops/second
suppose current old_iused=1445
create_count=32, max_create_count=20000
 - unlinked 0 (time 1787839805 ; total 0 ; last 0)
total: 1000 unlinks in 7 seconds: 142.857147 unlinks/second
sleep 5 for ZFS MDS
sleep 5 for ZFS OST
Waiting for MDT destroys to complete
sleep 20 for ZFS MDS
        437 
waited 1 sec, old Iused 1445, new Iused         437