== sanity test 311: disable OSP precreate, and unlink should destroy objs ========================================================== 01:16:25 (1788585385)
old_iused=449
 - open/close 641 (time 1788585401.63 total 10.01 last 64.03)
total: 1000 open/close in 16.31 seconds: 61.32 ops/second
suppose current old_iused=1449
create_count=32, max_create_count=20000
 - unlinked 0 (time 1788585417 ; 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
441 
waited 1 sec, old Iused 1449, new Iused 441