== sanity test 311: disable OSP precreate, and unlink should destroy objs ========================================================== 10:59:40 (1790693980)
old_iused=447
 - open/close 536 (time 1790693998.88 total 10.02 last 53.49)
total: 1000 open/close in 17.50 seconds: 57.14 ops/second
suppose current old_iused=1447
create_count=32, max_create_count=20000
 - unlinked 0 (time 1790694014 ; 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
439 
waited 1 sec, old Iused 1447, new Iused 439