== sanity test 413k: QoS mkdir exclude prefixes ========== 22:47:55 (1713494875)
lmv.lustre-clilmv-ffff88012c001800.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff88012c001800.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff88012c001800.qos_exclude_prefixes=_temporary