linux-kernel - Re: [PATCH 29/30] microblaze_mmu

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Message-ID: <20090427095815.GA12323@infradead.org>
Date:	Mon, 27 Apr 2009 05:58:15 -0400
From:	Christoph Hellwig <hch@...radead.org>
To:	monstr@...str.eu
Cc:	linux-kernel@...r.kernel.org, john.williams@...alogix.com
Subject: Re: [PATCH 29/30] microblaze_mmu_v1: stat.h MMU update

On Mon, Apr 27, 2009 at 10:32:18AM +0200, monstr@...str.eu wrote:
> +# ifdef __uClinux__
>  struct stat64 {
>  	unsigned long long	st_dev;
>  	unsigned long	__unused1;
> @@ -69,5 +69,29 @@ struct stat64 {
>  
>  	unsigned long	__unused8;
>  };
> +# else /* __uClinux__ */
> +/* FIXME */
> +struct stat64 {
> +	unsigned long long	st_dev; /* Device.*/
> +	unsigned long long	st_ino; /* File serial number.*/
> +	unsigned int		st_mode; /* File mode.*/
> +	unsigned int		st_nlink; /* Link count. */
> +	unsigned int		st_uid; /* User ID of the file's owner. */
> +	unsigned int		st_gid; /* Group ID of the file's group. */
> +	unsigned long long	st_rdev; /* Device number, if device. */
> +	unsigned short		__pad2;
> +	long long		st_size; /* Size of file, in bytes. */
> +	int			st_blksize; /* Optimal block size for I/O. */
> +	long long		st_blocks; /* No. 512-byte blocks allocated */
> +	int			st_atime; /* Time of last access.  */
> +	unsigned int		st_atime_nsec;
> +	int			st_mtime; /* Time of last modification. */
> +	unsigned int		st_mtime_nsec;
> +	int			st_ctime; /* Time of last status change. */
> +	unsigned int		st_ctime_nsec;
> +	unsigned int		__unused4;
> +	unsigned int		__unused5;
> +};
> +# endif /* __uClinux__ */

Userspace ABIs must not change because of MMU vs not.

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