Function init_splice_ctx

test/splice.c:87–133

}

static int init_splice_ctx(struct test_ctx *ctx)
{
	int ret, rnd_fd;

	ctx->buf_in = t_calloc(BUF_SIZE, 1);
	ctx->buf_out = t_calloc(BUF_SIZE, 1);

	ctx->fd_in = create_file(".splice-test-in");
	if (ctx->fd_in < 0) {
		perror("file open");
		return 1;
	}

	ctx->fd_out = create_file(".splice-test-out");
	if (ctx->fd_out < 0) {
		perror("file open");
		return 1;
	}

	/* get random data */
	rnd_fd = open("/dev/urandom", O_RDONLY);
	if (rnd_fd < 0)
		return 1;

	ret = read_buf(rnd_fd, ctx->buf_in, BUF_SIZE);
	if (ret != 0)
		return 1;
	close(rnd_fd);

	/* populate file */
	ret = write_buf(ctx->fd_in, ctx->buf_in, BUF_SIZE);
	if (ret)
		return ret;

	if (pipe(ctx->pipe1) < 0)
		return 1;
	if (pipe(ctx->pipe2) < 0)
		return 1;

	ctx->real_pipe1[0] = ctx->pipe1[0];
	ctx->real_pipe1[1] = ctx->pipe1[1];
	ctx->real_pipe2[0] = ctx->pipe2[0];
	ctx->real_pipe2[1] = ctx->pipe2[1];
	ctx->real_fd_in = ctx->fd_in;
	ctx->real_fd_out = ctx->fd_out;
	return 0;
}

static int do_splice_op(struct io_uring *ring,
			int fd_in, loff_t off_in,