== sanity test 311: disable OSP precreate, and unlink should destroy objs ========================================================== 16:18:50 (1788466730)
old_iused=448
 - open/close 721 (time 1788466744.67 total 10.02 last 71.99)
total: 1000 open/close in 13.57 seconds: 73.71 ops/second
suppose current old_iused=1448
create_count=32, max_create_count=20000
 - unlinked 0 (time 1788466756 ; 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
440 
waited 1 sec, old Iused 1448, new Iused 440