== sanity test 311: disable OSP precreate, and unlink should destroy objs ========================================================== 00:37:10 (1722487030)
total: 1000 open/close in 4.03 seconds: 248.21 ops/second
 - unlinked 0 (time 1722487038 ; total 0 ; last 0)
total: 1000 unlinks in 3 seconds: 333.333344 unlinks/second
waited 5 sec, old Iused 2602, new Iused 1668