== sanity test 413k: QoS mkdir exclude prefixes ========== 04:19:28 (1780388368)
lmv.lustre-clilmv-ffff906b32104800.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff906b32104800.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff906b32104800.qos_exclude_prefixes=_temporary