== sanity test 413k: QoS mkdir exclude prefixes ========== 14:50:58 (1744138258)
lmv.lustre-clilmv-ffff88009ad09000.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff88009ad09000.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff88009ad09000.qos_exclude_prefixes=_temporary