[PATCH] Fix total byte read/write count for large checkpoint images

[Oren Laadan]

Pulled, thanks.

Matt Helsley wrote:
> Though currently unused, total relies on checkpoint images being less
> than 2GB. Since we've had 64-bit archs and LARGEFILE support for some
> time it's not totally unreasonable to make this a 64-bit quantity.
> 
> Signed-off-by: Matt Helsley <matthltc at us.ibm.com>
> ---
>  include/linux/checkpoint_types.h |    2 +-
>  1 files changed, 1 insertions(+), 1 deletions(-)
> 
> diff --git a/include/linux/checkpoint_types.h b/include/linux/checkpoint_types.h
> index fa57cdc..5cc11d9 100644
> --- a/include/linux/checkpoint_types.h
> +++ b/include/linux/checkpoint_types.h
> @@ -48,7 +48,7 @@ struct ckpt_ctx {
>  	unsigned long oflags;	/* restart: uflags from checkpoint */
>  
>  	struct file *file;	/* input/output file */
> -	int total;		/* total read/written */
> +	loff_t total;		/* total read/written */
>  
>  	atomic_t refcount;
>