== sanity test 413k: QoS mkdir exclude prefixes ========== 15:32:26 (1788550346)
lmv.lustre-clilmv-ffff9c1947ba8000.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff9c1947ba8000.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff9c1947ba8000.qos_exclude_prefixes=_temporary