== sanity test 413k: QoS mkdir exclude prefixes ========== 20:33:46 (1718325226)
lmv.lustre-clilmv-ffff88009c398800.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff88009c398800.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff88009c398800.qos_exclude_prefixes=_temporary