== sanity test 311: disable OSP precreate, and unlink should destroy objs ========================================================== 04:00:06 (1787385606)
old_iused=        446
 - open/close 808 (time 1787385622.11 total 10.03 last 80.56)
total: 1000 open/close in 13.20 seconds: 75.75 ops/second
suppose current old_iused=1446
create_count=32, max_create_count=20000
 - unlinked 0 (time 1787385633 ; 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
        438 
waited 1 sec, old Iused 1446, new Iused         438