== sanity test 413k: QoS mkdir exclude prefixes ========== 14:15:23 (1784052923)
lmv.lustre-clilmv-ffff8e3d332e0800.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff8e3d332e0800.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff8e3d332e0800.qos_exclude_prefixes=_temporary