== sanity test 413k: QoS mkdir exclude prefixes ========== 04:26:46 (1788769606)
lmv.lustre-clilmv-ffff9dcb49bd2000.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff9dcb49bd2000.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff9dcb49bd2000.qos_exclude_prefixes=_temporary