== sanity test 311: disable OSP precreate, and unlink should destroy objs ========================================================== 05:10:44 (1788513044)
old_iused=449
 - open/close 736 (time 1788513059.81 total 10.02 last 73.48)
total: 1000 open/close in 14.90 seconds: 67.11 ops/second
suppose current old_iused=1449
create_count=32, max_create_count=20000
 - unlinked 0 (time 1788513074 ; 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
441 
waited 1 sec, old Iused 1449, new Iused 441