== sanity test 311: disable OSP precreate, and unlink should destroy objs ========================================================== 23:05:24 (1787886324)
old_iused=449
 - open/close 506 (time 1787886340.77 total 10.01 last 50.57)
total: 1000 open/close in 17.50 seconds: 57.16 ops/second
suppose current old_iused=1449
create_count=32, max_create_count=20000
 - unlinked 0 (time 1787886358 ; 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