== sanity test 311: disable OSP precreate, and unlink should destroy objs ========================================================== 09:53:21 (1788530001)
old_iused=447
 - open/close 776 (time 1788530016.79 total 10.01 last 77.53)
total: 1000 open/close in 12.54 seconds: 79.76 ops/second
suppose current old_iused=1447
create_count=32, max_create_count=20000
 - unlinked 0 (time 1788530027 ; 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
439 
waited 1 sec, old Iused 1447, new Iused 439