== sanity test 413k: QoS mkdir exclude prefixes ========== 22:07:14 (1746151634)
lmv.lustre-clilmv-ffff8801372fc800.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff8801372fc800.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff8801372fc800.qos_exclude_prefixes=_temporary