== sanity test 311: disable OSP precreate, and unlink should destroy objs ========================================================== 16:12:36 (1760127156)
old_iused=446
 - open/close 749 (time 1760127169.76 total 10.00 last 74.89)
total: 1000 open/close in 12.99 seconds: 77.01 ops/second
suppose current old_iused=1446
create_count=32, max_create_count=20000
 - unlinked 0 (time 1760127179 ; 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