== sanity test 311: disable OSP precreate, and unlink should destroy objs ========================================================== 10:43:10 (1760452990)
old_iused=422
total: 1000 open/close in 2.29 seconds: 436.70 ops/second
suppose current old_iused=1422
create_count=32, max_create_count=20000
 - unlinked 0 (time 1760452996 ; total 0 ; last 0)
total: 1000 unlinks in 2 seconds: 500.000000 unlinks/second
sleep 5 for ZFS MDS
sleep 5 for ZFS OST
Waiting for MDT destroys to complete
sleep 10 for ZFS MDS
414 
waited 1 sec, old Iused 1422, new Iused 414