== sanity test 311: disable OSP precreate, and unlink should destroy objs ========================================================== 23:32:51 (1788751971)
old_iused=445
 - open/close 704 (time 1788751987.93 total 10.00 last 70.40)
total: 1000 open/close in 14.77 seconds: 67.70 ops/second
suppose current old_iused=1445
create_count=32, max_create_count=20000
 - unlinked 0 (time 1788752001 ; total 0 ; last 0)
total: 1000 unlinks in 8 seconds: 125.000000 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