== sanity test 311: disable OSP precreate, and unlink should destroy objs ========================================================== 16:21:37 (1788639697)
old_iused=449
 - open/close 792 (time 1788639712.01 total 10.01 last 79.15)
total: 1000 open/close in 12.73 seconds: 78.53 ops/second
suppose current old_iused=1449
create_count=32, max_create_count=20000
 - unlinked 0 (time 1788639722 ; total 0 ; last 0)
total: 1000 unlinks in 9 seconds: 111.111115 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