== sanity test 413k: QoS mkdir exclude prefixes ========== 10:59:45 (1758812385)
lmv.lustre-clilmv-ffff8a48503c0000.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff8a48503c0000.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff8a48503c0000.qos_exclude_prefixes=_temporary