== sanity test 413k: QoS mkdir exclude prefixes ========== 18:23:23 (1768260203)
lmv.lustre-clilmv-ffff8d87580d2000.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff8d87580d2000.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff8d87580d2000.qos_exclude_prefixes=_temporary