== sanity test 413k: QoS mkdir exclude prefixes ========== 03:36:12 (1769762172)
lmv.lustre-clilmv-ffffa0ad8848f000.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffffa0ad8848f000.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffffa0ad8848f000.qos_exclude_prefixes=_temporary