== sanity test 311: disable OSP precreate, and unlink should destroy objs ========================================================== 19:01:38 (1763337698)
old_iused=        447 
 - open/close 680 (time 1763337714.59 total 10.01 last 67.94)
total: 1000 open/close in 14.86 seconds: 67.30 ops/second
suppose current old_iused=1447
create_count=32, max_create_count=20000
 - unlinked 0 (time 1763337726 ; 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
        439  
waited 1 sec, old Iused 1447, new Iused         439