== sanity test 413k: QoS mkdir exclude prefixes ========== 04:45:23 (1788943523)
lmv.lustre-clilmv-ffff8895c66e5800.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff8895c66e5800.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff8895c66e5800.qos_exclude_prefixes=_temporary