Re: [PATCH] diskquota: 32bit quota tools on 64bit architectures

[David Chinner <dgc@sgi.com>]

On Sat, Oct 21, 2006 at 06:28:32PM +0200, Arnd Bergmann wrote:
> On a related topic, I just noticed 
> 
> typedef struct fs_qfilestat {
> 	__u64		qfs_ino;	/* inode number */
> 	__u64		qfs_nblks;	/* number of BBs 512-byte-blks */
> 	__u32		qfs_nextents;	/* number of extents */
> } fs_qfilestat_t;
> 
> typedef struct fs_quota_stat {
> 	__s8		qs_version;	/* version number for future changes */
> 	__u16		qs_flags;	/* XFS_QUOTA_{U,P,G}DQ_{ACCT,ENFD} */
> 	__s8		qs_pad;		/* unused */
> 	fs_qfilestat_t	qs_uquota;	/* user quota storage information */
> 	fs_qfilestat_t	qs_gquota;	/* group quota storage information */
> 	__u32		qs_incoredqs;	/* number of dquots incore */
> 	__s32		qs_btimelimit;  /* limit for blks timer */	
> 	__s32		qs_itimelimit;  /* limit for inodes timer */	
> 	__s32		qs_rtbtimelimit;/* limit for rt blks timer */	
> 	__u16		qs_bwarnlimit;	/* limit for num warnings */
> 	__u16		qs_iwarnlimit;	/* limit for num warnings */
> } fs_quota_stat_t;

Ah, the XFS quota structures.....

> This one seems to have a more severe problem in x86_64 compat
> mode. I haven't tried it, but isn't everything down from
> gs_gquota aligned differently on i386?

Yes - this is just one of several interfaces into XFS that need compat
handling that don't have them right now.

Cheers,

Dave.
-- 
Dave Chinner
Principal Engineer
SGI Australian Software Group
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