== sanity test 413k: QoS mkdir exclude prefixes ========== 03:06:28 (1788851188)
lmv.lustre-clilmv-ffff9f5ed0fcc800.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff9f5ed0fcc800.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff9f5ed0fcc800.qos_exclude_prefixes=_temporary