== sanity test 311: disable OSP precreate, and unlink should destroy objs ========================================================== 13:16:34 (1750180594)
old_iused=446
total: 1000 open/close in 6.94 seconds: 144.14 ops/second
suppose current old_iused=1446
create_count=32, max_create_count=20000
 - unlinked 0 (time 1750180607 ; total 0 ; last 0)
total: 1000 unlinks in 4 seconds: 250.000000 unlinks/second
sleep 5 for ZFS MDS
sleep 5 for ZFS OST
Waiting for MDT destroys to complete
sleep 10 for ZFS MDS
438 
waited 1 sec, old Iused 1446, new Iused 438