== sanity test 311: disable OSP precreate, and unlink should destroy objs ========================================================== 12:26:42 (1789057602)
old_iused=449
 - open/close 685 (time 1789057618.73 total 10.00 last 68.48)
total: 1000 open/close in 15.52 seconds: 64.43 ops/second
suppose current old_iused=1449
create_count=32, max_create_count=20000
 - unlinked 0 (time 1789057632 ; 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
441 
waited 1 sec, old Iused 1449, new Iused 441