== sanity test 413k: QoS mkdir exclude prefixes ========== 19:35:01 (1789083301)
lmv.lustre-clilmv-ffff9b0fa7c49800.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff9b0fa7c49800.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff9b0fa7c49800.qos_exclude_prefixes=_temporary