== sanity test 413k: QoS mkdir exclude prefixes ========== 14:18:58 (1788632338)
lmv.lustre-clilmv-ffff8c84264ce800.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff8c84264ce800.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff8c84264ce800.qos_exclude_prefixes=_temporary