== sanity test 311: disable OSP precreate, and unlink should destroy objs ========================================================== 20:10:42 (1789085442)
old_iused=        448
 - open/close 829 (time 1789085458.28 total 10.01 last 82.86)
total: 1000 open/close in 11.95 seconds: 83.66 ops/second
suppose current old_iused=1448
create_count=32, max_create_count=20000
 - unlinked 0 (time 1789085468 ; 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
        440 
waited 1 sec, old Iused 1448, new Iused         440