== sanity test 311: disable OSP precreate, and unlink should destroy objs ========================================================== 03:41:17 (1788939677)
old_iused=446
 - open/close 767 (time 1788939692.68 total 10.05 last 76.35)
total: 1000 open/close in 13.72 seconds: 72.90 ops/second
suppose current old_iused=1446
create_count=32, max_create_count=20000
 - unlinked 0 (time 1788939706 ; total 0 ; last 0)
total: 1000 unlinks in 13 seconds: 76.923080 unlinks/second
sleep 5 for ZFS MDS
sleep 5 for ZFS OST
Waiting for MDT destroys to complete
sleep 20 for ZFS MDS
438 
waited 1 sec, old Iused 1446, new Iused 438