== sanity test 413k: QoS mkdir exclude prefixes ========== 19:21:57 (1746141717)
lmv.lustre-clilmv-ffff88012a41e800.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff88012a41e800.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff88012a41e800.qos_exclude_prefixes=_temporary