== sanity test 413k: QoS mkdir exclude prefixes ========== 11:59:33 (1786118373)
lmv.lustre-clilmv-ffff995093b89800.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff995093b89800.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff995093b89800.qos_exclude_prefixes=_temporary