== sanity test 413k: QoS mkdir exclude prefixes ========== 04:21:28 (1782634888)
lmv.lustre-clilmv-ffff8dfe1030a800.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff8dfe1030a800.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff8dfe1030a800.qos_exclude_prefixes=_temporary