== sanity test 311: disable OSP precreate, and unlink should destroy objs ========================================================== 10:43:59 (1788878639)
old_iused=448
total: 1000 open/close in 8.61 seconds: 116.12 ops/second
suppose current old_iused=1448
create_count=32, max_create_count=20000
 - unlinked 0 (time 1788878654 ; total 0 ; last 0)
total: 1000 unlinks in 4 seconds: 250.000000 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