== sanity test 413k: QoS mkdir exclude prefixes ========== 03:20:34 (1746084034)
lmv.lustre-clilmv-ffff8800965fd000.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff8800965fd000.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff8800965fd000.qos_exclude_prefixes=_temporary