== sanity test 413k: QoS mkdir exclude prefixes ========== 21:19:03 (1746148743)
lmv.lustre-clilmv-ffff8800b6244000.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff8800b6244000.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff8800b6244000.qos_exclude_prefixes=_temporary