== sanity test 413k: QoS mkdir exclude prefixes ========== 14:18:37 (1789064317)
lmv.lustre-clilmv-ffff9cab78fa5800.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff9cab78fa5800.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff9cab78fa5800.qos_exclude_prefixes=_temporary