== sanity test 413k: QoS mkdir exclude prefixes ========== 12:48:46 (1787590126)
lmv.lustre-clilmv-ffff9580072d4000.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff9580072d4000.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff9580072d4000.qos_exclude_prefixes=_temporary