== sanity test 413k: QoS mkdir exclude prefixes ========== 04:00:37 (1761292837)
lmv.lustre-clilmv-ffff8acf42e85000.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff8acf42e85000.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff8acf42e85000.qos_exclude_prefixes=_temporary