== sanity test 413k: QoS mkdir exclude prefixes ========== 04:32:45 (1775205165)
lmv.lustre-clilmv-ffff89daf8e68800.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff89daf8e68800.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff89daf8e68800.qos_exclude_prefixes=_temporary