== sanity test 311: disable OSP precreate, and unlink should destroy objs ========================================================== 07:57:42 (1788868662)
old_iused=445
 - open/close 604 (time 1788868678.42 total 10.01 last 60.31)
total: 1000 open/close in 16.17 seconds: 61.85 ops/second
suppose current old_iused=1445
create_count=32, max_create_count=20000
 - unlinked 0 (time 1788868691 ; 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
437 
waited 1 sec, old Iused 1445, new Iused 437