== sanity test 413k: QoS mkdir exclude prefixes ========== 04:37:52 (1787474272)
lmv.lustre-clilmv-ffff8df21e119000.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff8df21e119000.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff8df21e119000.qos_exclude_prefixes=_temporary