== sanity test 311: disable OSP precreate, and unlink should destroy objs ========================================================== 14:16:24 (1788804984)
old_iused=445
 - open/close 827 (time 1788804999.56 total 10.00 last 82.68)
total: 1000 open/close in 12.22 seconds: 81.83 ops/second
suppose current old_iused=1445
create_count=32, max_create_count=20000
 - unlinked 0 (time 1788805009 ; 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
437 
waited 1 sec, old Iused 1445, new Iused 437