== sanity test 413k: QoS mkdir exclude prefixes ========== 18:42:34 (1788648154)
lmv.lustre-clilmv-ffff8dcbeeb2d000.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff8dcbeeb2d000.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff8dcbeeb2d000.qos_exclude_prefixes=_temporary