== sanity test 413k: QoS mkdir exclude prefixes ========== 16:04:24 (1744056264)
lmv.lustre-clilmv-ffff8800b5c59000.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff8800b5c59000.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff8800b5c59000.qos_exclude_prefixes=_temporary