== sanity test 311: disable OSP precreate, and unlink should destroy objs ========================================================== 22:23:04 (1763349784)
old_iused=        446 
 - open/close 763 (time 1763349799.82 total 10.01 last 76.25)
total: 1000 open/close in 13.35 seconds: 74.89 ops/second
suppose current old_iused=1446
create_count=32, max_create_count=20000
 - unlinked 0 (time 1763349810 ; 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
        438  
waited 1 sec, old Iused 1446, new Iused         438