== sanity test 311: disable OSP precreate, and unlink should destroy objs ========================================================== 07:46:26 (1764938786)
old_iused=419
 - open/close 780 (time 1764938799.96 total 10.01 last 77.95)
total: 1000 open/close in 12.82 seconds: 78.01 ops/second
suppose current old_iused=1419
create_count=32, max_create_count=20000
 - unlinked 0 (time 1764938808 ; 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 10 for ZFS MDS
411 
waited 1 sec, old Iused 1419, new Iused 411