== sanity test 413k: QoS mkdir exclude prefixes ========== 13:19:56 (1786641596)
lmv.lustre-clilmv-ffff9ffb11cad000.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff9ffb11cad000.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff9ffb11cad000.qos_exclude_prefixes=_temporary