== sanity test 413k: QoS mkdir exclude prefixes ========== 18:38:16 (1787870296)
lmv.lustre-clilmv-ffff9efffa0fe800.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff9efffa0fe800.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff9efffa0fe800.qos_exclude_prefixes=_temporary