== sanity test 311: disable OSP precreate, and unlink should destroy objs ========================================================== 21:07:48 (1775869668)
old_iused=        446 
 - open/close 744 (time 1775869683.95 total 10.02 last 74.27)
total: 1000 open/close in 13.47 seconds: 74.21 ops/second
suppose current old_iused=1446
create_count=32, max_create_count=20000
 - unlinked 0 (time 1775869695 ; total 0 ; last 0)
total: 1000 unlinks in 8 seconds: 125.000000 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