== sanity test 311: disable OSP precreate, and unlink should destroy objs ========================================================== 04:25:32 (1788596732)
old_iused=445
 - open/close 911 (time 1788596748.00 total 10.02 last 90.96)
total: 1000 open/close in 11.14 seconds: 89.73 ops/second
suppose current old_iused=1445
create_count=32, max_create_count=20000
 - unlinked 0 (time 1788596758 ; total 0 ; last 0)
total: 1000 unlinks in 6 seconds: 166.666672 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