== sanity test 311: disable OSP precreate, and unlink should destroy objs ========================================================== 18:37:30 (1788215850)
old_iused=447
 - open/close 797 (time 1788215866.08 total 10.00 last 79.67)
total: 1000 open/close in 13.01 seconds: 76.89 ops/second
suppose current old_iused=1447
create_count=32, max_create_count=20000
 - unlinked 0 (time 1788215876 ; 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
439 
waited 1 sec, old Iused 1447, new Iused 439