== sanity test 413k: QoS mkdir exclude prefixes ========== 01:28:44 (1782365324)
lmv.lustre-clilmv-ffff8cd1905a9800.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff8cd1905a9800.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff8cd1905a9800.qos_exclude_prefixes=_temporary