== sanity test 311: disable OSP precreate, and unlink should destroy objs ========================================================== 05:42:24 (1788514944)
old_iused=449
 - open/close 806 (time 1788514959.41 total 10.01 last 80.48)
total: 1000 open/close in 12.30 seconds: 81.27 ops/second
suppose current old_iused=1449
create_count=32, max_create_count=20000
 - unlinked 0 (time 1788514969 ; total 0 ; last 0)
total: 1000 unlinks in 8 seconds: 125.000000 unlinks/second
sleep 5 for ZFS MDS
sleep 5 for ZFS OST
Waiting for MDT destroys to complete
sleep 20 for ZFS MDS
441 
waited 1 sec, old Iused 1449, new Iused 441