== sanity test 413k: QoS mkdir exclude prefixes ========== 13:19:19 (1785086359)
lmv.lustre-clilmv-ffff9eadc31a0000.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff9eadc31a0000.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff9eadc31a0000.qos_exclude_prefixes=_temporary