== sanity test 413k: QoS mkdir exclude prefixes ========== 19:41:05 (1785886865)
lmv.lustre-clilmv-ffff8bf22c96e000.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff8bf22c96e000.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff8bf22c96e000.qos_exclude_prefixes=_temporary