== sanity test 413k: QoS mkdir exclude prefixes ========== 03:35:16 (1790926516)
lmv.lustre-clilmv-ffff9f20878d0000.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff9f20878d0000.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff9f20878d0000.qos_exclude_prefixes=_temporary