== sanity test 311: disable OSP precreate, and unlink should destroy objs ========================================================== 17:23:11 (1788816191)
old_iused=446
 - open/close 818 (time 1788816206.20 total 10.00 last 81.76)
total: 1000 open/close in 12.57 seconds: 79.57 ops/second
suppose current old_iused=1446
create_count=32, max_create_count=20000
 - unlinked 0 (time 1788816216 ; 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 20 for ZFS MDS
438 
waited 1 sec, old Iused 1446, new Iused 438