== sanity test 413k: QoS mkdir exclude prefixes ========== 23:19:08 (1780456748)
lmv.lustre-clilmv-ffff8e3a04cf1000.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff8e3a04cf1000.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff8e3a04cf1000.qos_exclude_prefixes=_temporary