== sanity test 311: disable OSP precreate, and unlink should destroy objs ========================================================== 08:32:32 (1790944352)
old_iused=447
 - open/close 688 (time 1790944367.17 total 10.00 last 68.77)
total: 1000 open/close in 15.22 seconds: 65.71 ops/second
suppose current old_iused=1447
create_count=32, max_create_count=20000
 - unlinked 0 (time 1790944383 ; total 0 ; last 0)
total: 1000 unlinks in 11 seconds: 90.909088 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