== sanity test 413k: QoS mkdir exclude prefixes ========== 22:54:03 (1767326043)
lmv.lustre-clilmv-ffff9fd85234b000.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff9fd85234b000.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff9fd85234b000.qos_exclude_prefixes=_temporary