== sanity test 413k: QoS mkdir exclude prefixes ========== 19:28:05 (1746142085)
lmv.lustre-clilmv-ffff8800a6795000.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff8800a6795000.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff8800a6795000.qos_exclude_prefixes=_temporary