== sanity test 413k: QoS mkdir exclude prefixes ========== 13:50:20 (1746121820)
lmv.lustre-clilmv-ffff8800902b7800.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff8800902b7800.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff8800902b7800.qos_exclude_prefixes=_temporary