== sanity test 413k: QoS mkdir exclude prefixes ========== 23:48:07 (1784173687)
lmv.lustre-clilmv-ffff8c0caa2a8000.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff8c0caa2a8000.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff8c0caa2a8000.qos_exclude_prefixes=_temporary