== sanity test 413k: QoS mkdir exclude prefixes ========== 11:18:40 (1789485520)
lmv.lustre-clilmv-ffff9ad8c29a8000.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff9ad8c29a8000.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff9ad8c29a8000.qos_exclude_prefixes=_temporary