== sanity test 311: disable OSP precreate, and unlink should destroy objs ========================================================== 12:43:07 (1787762587)
old_iused=        450
 - open/close 643 (time 1787762605.64 total 10.00 last 64.27)
total: 1000 open/close in 15.83 seconds: 63.16 ops/second
suppose current old_iused=1450
create_count=32, max_create_count=20000
 - unlinked 0 (time 1787762621 ; total 0 ; last 0)
total: 1000 unlinks in 5 seconds: 200.000000 unlinks/second
sleep 5 for ZFS MDS
sleep 5 for ZFS OST
Waiting for MDT destroys to complete
sleep 20 for ZFS MDS
        442 
waited 1 sec, old Iused 1450, new Iused         442