== sanity test 311: disable OSP precreate, and unlink should destroy objs ========================================================== 02:27:50 (1746167270)
old_iused=2594
total: 1000 open/close in 8.64 seconds: 115.77 ops/second
suppose current old_iused=3594
create_count=32, max_create_count=20000
 - unlinked 0 (time 1746167286 ; 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
2586 
waited 1 sec, old Iused 3594, new Iused 2586