== sanity test 311: disable OSP precreate, and unlink should destroy objs ========================================================== 22:29:58 (1789612198)
old_iused=1006
 - open/close 768 (time 1789612214.14 total 10.02 last 76.62)
total: 1000 open/close in 12.26 seconds: 81.54 ops/second
suppose current old_iused=2006
create_count=32, max_create_count=20000
 - unlinked 0 (time 1789612224 ; 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
998 
waited 1 sec, old Iused 2006, new Iused 998