== sanity test 311: disable OSP precreate, and unlink should destroy objs ========================================================== 22:27:01 (1783564021)
old_iused=        449
total: 1000 open/close in 8.80 seconds: 113.59 ops/second
suppose current old_iused=1449
create_count=32, max_create_count=20000
 - unlinked 0 (time 1783564037 ; total 0 ; last 0)
total: 1000 unlinks in 5 seconds: 200.000000 unlinks/second
sleep 5 for ZFS MDS
sleep 5 for ZFS OST
Waiting for MDT destroys to complete
sleep 20 for ZFS MDS
        441 
waited 1 sec, old Iused 1449, new Iused         441