== sanity test 413k: QoS mkdir exclude prefixes ========== 20:58:14 (1746147494)
lmv.lustre-clilmv-ffff8800a4d5d000.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff8800a4d5d000.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff8800a4d5d000.qos_exclude_prefixes=_temporary