== sanity test 311: disable OSP precreate, and unlink should destroy objs ========================================================== 05:03:42 (1788512622)
old_iused=        445
 - open/close 667 (time 1788512638.20 total 10.02 last 66.59)
total: 1000 open/close in 14.90 seconds: 67.11 ops/second
suppose current old_iused=1445
create_count=32, max_create_count=20000
 - unlinked 0 (time 1788512651 ; 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