== sanity test 311: disable OSP precreate, and unlink should destroy objs ========================================================== 23:04:12 (1788836652)
old_iused=448
 - open/close 578 (time 1788836670.66 total 10.02 last 57.69)
total: 1000 open/close in 16.39 seconds: 61.00 ops/second
suppose current old_iused=1448
create_count=32, max_create_count=20000
 - unlinked 0 (time 1788836685 ; total 0 ; last 0)
total: 1000 unlinks in 9 seconds: 111.111115 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