== sanity test 413k: QoS mkdir exclude prefixes ========== 14:15:22 (1736795722)
lmv.lustre-clilmv-ffff88008c2a5000.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff88008c2a5000.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff88008c2a5000.qos_exclude_prefixes=_temporary