== sanity test 311: disable OSP precreate, and unlink should destroy objs ========================================================== 13:44:18 (1789062258)
old_iused=        446
 - open/close 670 (time 1789062273.80 total 10.02 last 66.84)
total: 1000 open/close in 15.00 seconds: 66.66 ops/second
suppose current old_iused=1446
create_count=32, max_create_count=20000
 - unlinked 0 (time 1789062287 ; 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
        438 
waited 1 sec, old Iused 1446, new Iused         438