== sanity test 311: disable OSP precreate, and unlink should destroy objs ========================================================== 18:44:27 (1786747467)
old_iused=        448
 - open/close 852 (time 1786747482.00 total 10.00 last 85.19)
total: 1000 open/close in 11.66 seconds: 85.76 ops/second
suppose current old_iused=1448
create_count=32, max_create_count=20000
 - unlinked 0 (time 1786747489 ; total 0 ; last 0)
total: 1000 unlinks in 6 seconds: 166.666672 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