Re: [PATCH 1/1] UIO: unbreak uio.h userspace compilation

[Christoph Hellwig]

On Tue, Jul 28, 2009 at 03:14:37PM +0200, Jiri Slaby wrote:
> diff --git a/include/linux/uio.h b/include/linux/uio.h
> index b7fe138..9b2623c 100644
> --- a/include/linux/uio.h
> +++ b/include/linux/uio.h
> @@ -42,16 +42,18 @@ struct kvec {
>   * segment lengths have been validated.  Because the individual lengths can
>   * overflow a size_t when added together.
>   */
> -static inline size_t iov_length(const struct iovec *iov, unsigned long nr_segs)
> +static inline __kernel_size_t iov_length(const struct iovec *iov, unsigned long nr_segs)
>  {
>  	unsigned long seg;
> -	size_t ret = 0;
> +	__kernel_size_t ret = 0;
>  
>  	for (seg = 0; seg < nr_segs; seg++)
>  		ret += iov[seg].iov_len;
>  	return ret;
>  }
>  
> +#ifdef __KERNEL__
>  unsigned long iov_shorten(struct iovec *iov, unsigned long nr_segs, size_t to);
> +#endif

iov_length is kernel internal and should not be exported to userspace.

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