== sanity test 413k: QoS mkdir exclude prefixes ========== 04:13:24 (1788596004)
lmv.lustre-clilmv-ffffa077d8b7b800.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffffa077d8b7b800.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffffa077d8b7b800.qos_exclude_prefixes=_temporary