== sanity test 413k: QoS mkdir exclude prefixes ========== 12:42:52 (1788280972)
lmv.lustre-clilmv-ffff8e3290091000.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff8e3290091000.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff8e3290091000.qos_exclude_prefixes=_temporary