== sanity test 311: disable OSP precreate, and unlink should destroy objs ========================================================== 23:38:20 (1790393900)
old_iused=446
total: 1000 open/close in 2.23 seconds: 447.84 ops/second
suppose current old_iused=1446
create_count=32, max_create_count=20000
 - unlinked 0 (time 1790393906 ; total 0 ; last 0)
total: 1000 unlinks in 1 seconds: 1000.000000 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