== sanity test 413k: QoS mkdir exclude prefixes ========== 10:03:22 (1740495802)
lmv.lustre-clilmv-ffff880099b68000.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff880099b68000.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff880099b68000.qos_exclude_prefixes=_temporary