== sanity test 311: disable OSP precreate, and unlink should destroy objs ========================================================== 10:03:18 (1789480998)
old_iused=447
 - open/close 832 (time 1789481011.95 total 10.01 last 83.09)
total: 1000 open/close in 12.48 seconds: 80.15 ops/second
suppose current old_iused=1447
create_count=32, max_create_count=20000
 - unlinked 0 (time 1789481020 ; 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
439 
waited 1 sec, old Iused 1447, new Iused 439