== sanity test 413k: QoS mkdir exclude prefixes ========== 10:28:52 (1787581732)
lmv.lustre-clilmv-ffff8c00ec2d4800.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff8c00ec2d4800.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff8c00ec2d4800.qos_exclude_prefixes=_temporary