== sanity test 311: disable OSP precreate, and unlink should destroy objs ========================================================== 08:11:59 (1787573519)
old_iused=448
 - open/close 507 (time 1787573535.83 total 10.01 last 50.65)
 - open/close 954 (time 1787573545.84 total 20.03 last 44.62)
total: 1000 open/close in 20.93 seconds: 47.77 ops/second
suppose current old_iused=1448
create_count=32, max_create_count=20000
 - unlinked 0 (time 1787573556 ; 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