== sanity test 413k: QoS mkdir exclude prefixes ========== 07:46:36 (1756813596)
lmv.lustre-clilmv-ffff9ced03b64800.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff9ced03b64800.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff9ced03b64800.qos_exclude_prefixes=_temporary