== sanity test 413k: QoS mkdir exclude prefixes ========== 11:37:30 (1782229050)
lmv.lustre-clilmv-ffff92ce45aa5000.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff92ce45aa5000.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff92ce45aa5000.qos_exclude_prefixes=_temporary