linux-kernel - Re: [PATCH] x86: make stat/statfs 64-bit for x86

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Message-ID: <518B204C.4080501@zytor.com>
Date:	Wed, 08 May 2013 21:04:28 -0700
From:	"H. Peter Anvin" <hpa@...or.com>
To:	Mike Frysinger <vapier@...too.org>
CC:	x86@...nel.org, Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...hat.com>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] x86: make stat/statfs 64-bit for x86_64 kernels

On 05/08/2013 09:00 PM, Mike Frysinger wrote:
> diff --git a/arch/x86/include/uapi/asm/statfs.h b/arch/x86/include/uapi/asm/statfs.h
> index 2d0adbf..3cb5744 100644
> --- a/arch/x86/include/uapi/asm/statfs.h
> +++ b/arch/x86/include/uapi/asm/statfs.h
> @@ -8,5 +8,10 @@
>   */
>  #define ARCH_PACK_COMPAT_STATFS64 __attribute__((packed,aligned(4)))
>  
> +/* For x86-64, both the 64bit and x32 ABIs have 64bit fields. */
> +#ifdef __x86_64__
> +#define __statfs_word __u64
> +#endif
> +
>  #include <asm-generic/statfs.h>
>  #endif /* _ASM_X86_STATFS_H */
> 

... or is this what you meant to use?

	-hpa

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