dump_map
u8 dump_map:1,
ctx->dump_map = 1;
ctx->dump_map = genl_op_iter_next(ctx->op_iter);
if (ctx->dump_map) {
ctx->dump_map = 0;
while (ctx->dump_map) {
ctx->dump_map = genl_op_iter_next(ctx->op_iter);
dump_map();