== sanity test 311: disable OSP precreate, and unlink should destroy objs ========================================================== 20:40:40 (1746146440)
old_iused=2592
 - open/close 921 (time 1746146453.72 total 10.01 last 91.97)
total: 1000 open/close in 10.80 seconds: 92.63 ops/second
suppose current old_iused=3592
create_count=32, max_create_count=20000
 - unlinked 0 (time 1746146458 ; 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 10 for ZFS MDS
2584 
waited 1 sec, old Iused 3592, new Iused 2584