NBD_ATTR_BACKEND_IDENTIFIER
[NBD_ATTR_BACKEND_IDENTIFIER] = { .type = NLA_STRING},
if (info->attrs[NBD_ATTR_BACKEND_IDENTIFIER]) {
nbd->backend = nla_strdup(info->attrs[NBD_ATTR_BACKEND_IDENTIFIER],
if (info->attrs[NBD_ATTR_BACKEND_IDENTIFIER]) {
if (nla_strcmp(info->attrs[NBD_ATTR_BACKEND_IDENTIFIER],