== sanity test 311: disable OSP precreate, and unlink should destroy objs ========================================================== 09:35:11 (1788528911)
old_iused=445
 - open/close 824 (time 1788528926.33 total 10.01 last 82.35)
total: 1000 open/close in 12.10 seconds: 82.64 ops/second
suppose current old_iused=1445
create_count=32, max_create_count=20000
 - unlinked 0 (time 1788528935 ; 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