== sanity test 311: disable OSP precreate, and unlink should destroy objs ========================================================== 02:45:59 (1776926759)
old_iused=        446 
 - open/close 586 (time 1776926775.05 total 10.02 last 58.50)
total: 1000 open/close in 18.42 seconds: 54.29 ops/second
suppose current old_iused=1446
create_count=32, max_create_count=20000
 - unlinked 0 (time 1776926793 ; total 0 ; last 0)
total: 1000 unlinks in 12 seconds: 83.333336 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