== sanity test 413k: QoS mkdir exclude prefixes ========== 10:45:19 (1784126719)
lmv.lustre-clilmv-ffff9fb84c43a000.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff9fb84c43a000.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff9fb84c43a000.qos_exclude_prefixes=_temporary