== sanity test 311: disable OSP precreate, and unlink should destroy objs ========================================================== 22:17:56 (1780453076)
old_iused=        448
 - open/close 681 (time 1780453091.70 total 10.01 last 68.03)
total: 1000 open/close in 14.57 seconds: 68.65 ops/second
suppose current old_iused=1448
create_count=32, max_create_count=20000
 - unlinked 0 (time 1780453104 ; total 0 ; last 0)
total: 1000 unlinks in 10 seconds: 100.000000 unlinks/second
sleep 5 for ZFS MDS
sleep 5 for ZFS OST
Waiting for MDT destroys to complete
sleep 20 for ZFS MDS
        440 
waited 1 sec, old Iused 1448, new Iused         440