== sanity test 413k: QoS mkdir exclude prefixes ========== 22:52:03 (1746154323)
lmv.lustre-clilmv-ffff8800b6315800.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff8800b6315800.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff8800b6315800.qos_exclude_prefixes=_temporary