== sanity test 311: disable OSP precreate, and unlink should destroy objs ========================================================== 22:17:16 (1767323836)
old_iused=        447 
 - open/close 981 (time 1767323850.01 total 10.00 last 98.08)
total: 1000 open/close in 10.26 seconds: 97.43 ops/second
suppose current old_iused=1447
create_count=32, max_create_count=20000
 - unlinked 0 (time 1767323855 ; total 0 ; last 0)
total: 1000 unlinks in 5 seconds: 200.000000 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