== sanity test 413k: QoS mkdir exclude prefixes ========== 21:58:10 (1767322690)
lmv.lustre-clilmv-ffff94e578515800.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff94e578515800.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff94e578515800.qos_exclude_prefixes=_temporary