== sanity test 311: disable OSP precreate, and unlink should destroy objs ========================================================== 14:52:24 (1788288744)
old_iused=        449
 - open/close 573 (time 1788288759.29 total 10.01 last 57.25)
total: 1000 open/close in 17.38 seconds: 57.53 ops/second
suppose current old_iused=1449
create_count=32, max_create_count=20000
 - unlinked 0 (time 1788288775 ; total 0 ; last 0)
total: 1000 unlinks in 10 seconds: 100.000000 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