== sanity test 311: disable OSP precreate, and unlink should destroy objs ========================================================== 09:28:39 (1787578119)
old_iused=446
 - open/close 704 (time 1787578134.61 total 10.00 last 70.38)
total: 1000 open/close in 14.36 seconds: 69.65 ops/second
suppose current old_iused=1446
create_count=32, max_create_count=20000
 - unlinked 0 (time 1787578148 ; 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