== sanity test 413k: QoS mkdir exclude prefixes ========== 18:54:24 (1746140064)
lmv.lustre-clilmv-ffff88009043e000.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff88009043e000.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff88009043e000.qos_exclude_prefixes=_temporary