== sanity test 311: disable OSP precreate, and unlink should destroy objs ========================================================== 07:58:29 (1789300709)
old_iused=447
 - open/close 797 (time 1789300724.70 total 10.00 last 79.68)
total: 1000 open/close in 12.54 seconds: 79.73 ops/second
suppose current old_iused=1447
create_count=32, max_create_count=20000
 - unlinked 0 (time 1789300735 ; 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
439 
waited 1 sec, old Iused 1447, new Iused 439