== sanity test 311: disable OSP precreate, and unlink should destroy objs ========================================================== 20:09:26 (1788739766)
old_iused=446
 - open/close 816 (time 1788739781.36 total 10.01 last 81.54)
total: 1000 open/close in 11.93 seconds: 83.82 ops/second
suppose current old_iused=1446
create_count=32, max_create_count=20000
 - unlinked 0 (time 1788739793 ; total 0 ; last 0)
total: 1000 unlinks in 6 seconds: 166.666672 unlinks/second
sleep 5 for ZFS MDS
sleep 5 for ZFS OST
Waiting for MDT destroys to complete
sleep 20 for ZFS MDS
438 
waited 1 sec, old Iused 1446, new Iused 438