== sanity test 311: disable OSP precreate, and unlink should destroy objs ========================================================== 00:40:57 (1789188057)
old_iused=448
total: 1000 open/close in 9.15 seconds: 109.24 ops/second
suppose current old_iused=1448
create_count=32, max_create_count=20000
 - unlinked 0 (time 1789188073 ; total 0 ; last 0)
total: 1000 unlinks in 4 seconds: 250.000000 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