== sanity test 311: disable OSP precreate, and unlink should destroy objs ========================================================== 18:29:29 (1768260569)
old_iused=        448 
 - open/close 765 (time 1768260584.60 total 10.02 last 76.31)
total: 1000 open/close in 13.45 seconds: 74.33 ops/second
suppose current old_iused=1448
create_count=32, max_create_count=20000
 - unlinked 0 (time 1768260596 ; total 0 ; last 0)
total: 1000 unlinks in 7 seconds: 142.857147 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