== sanity test 311: disable OSP precreate, and unlink should destroy objs ========================================================== 20:39:42 (1789605582)
old_iused=446
 - open/close 810 (time 1789605598.60 total 10.00 last 81.00)
total: 1000 open/close in 12.92 seconds: 77.39 ops/second
suppose current old_iused=1446
create_count=32, max_create_count=20000
 - unlinked 0 (time 1789605610 ; 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
438 
waited 1 sec, old Iused 1446, new Iused 438