== sanity test 413k: QoS mkdir exclude prefixes ========== 11:06:35 (1787843195)
lmv.lustre-clilmv-ffff9a3cc4c3f800.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff9a3cc4c3f800.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff9a3cc4c3f800.qos_exclude_prefixes=_temporary