== sanity test 413k: QoS mkdir exclude prefixes ========== 23:31:12 (1746156672)
lmv.lustre-clilmv-ffff8800a972a000.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff8800a972a000.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff8800a972a000.qos_exclude_prefixes=_temporary