== sanity test 413k: QoS mkdir exclude prefixes ========== 10:56:18 (1784127378)
lmv.lustre-clilmv-ffff8aa7b348c000.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff8aa7b348c000.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff8aa7b348c000.qos_exclude_prefixes=_temporary