== sanity test 311: disable OSP precreate, and unlink should destroy objs ========================================================== 10:06:47 (1766416007)
old_iused=        447 
total: 1000 open/close in 6.84 seconds: 146.10 ops/second
suppose current old_iused=1447
create_count=32, max_create_count=20000
 - unlinked 0 (time 1766416020 ; total 0 ; last 0)
total: 1000 unlinks in 2 seconds: 500.000000 unlinks/second
sleep 5 for ZFS MDS
sleep 5 for ZFS OST
Waiting for MDT destroys to complete
sleep 20 for ZFS MDS
        439  
waited 1 sec, old Iused 1447, new Iused         439