== sanity test 413k: QoS mkdir exclude prefixes ========== 07:22:59 (1788002579)
lmv.lustre-clilmv-ffff8c3282aaf000.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff8c3282aaf000.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff8c3282aaf000.qos_exclude_prefixes=_temporary