== sanity test 413k: QoS mkdir exclude prefixes ========== 02:54:37 (1788764077)
lmv.lustre-clilmv-ffff9d95830ff000.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff9d95830ff000.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff9d95830ff000.qos_exclude_prefixes=_temporary