== sanity test 413k: QoS mkdir exclude prefixes ========== 02:02:22 (1746079342)
lmv.lustre-clilmv-ffff880080311000.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff880080311000.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff880080311000.qos_exclude_prefixes=_temporary