== sanity test 413k: QoS mkdir exclude prefixes ========== 23:42:11 (1746157331)
lmv.lustre-clilmv-ffff8800b66ca000.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff8800b66ca000.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff8800b66ca000.qos_exclude_prefixes=_temporary