[PATCH] handle unaligned data in xfs_bmbt_disk_get_all

[Lachlan McIlroy]

Looks good.

Christoph Hellwig wrote:
> In libxfs xfs_bmbt_disk_get_all needs to handle unaligned data and thus
> has been updated to use get_unaligned_be64.  In kernelspace we don't strictly
> need it as the routine is only used for tracing and xfsidbg, but let's keep
> the two implementations in sync.
> 
> 
> Signed-off-by: Christoph Hellwig <hch at lst.de>
> 
> Index: xfs/fs/xfs/xfs_bmap_btree.c
> --- xfs.orig/fs/xfs/xfs_bmap_btree.c	2008-12-19 15:02:53.998907997 +0100
> +++ xfs/fs/xfs/xfs_bmap_btree.c	2008-12-22 14:43:41.507247175 +0100
> @@ -208,7 +208,8 @@ xfs_bmbt_disk_get_all(
>  	xfs_bmbt_rec_t	*r,
>  	xfs_bmbt_irec_t *s)
>  {
> -	__xfs_bmbt_get_all(be64_to_cpu(r->l0), be64_to_cpu(r->l1), s);
> +	__xfs_bmbt_get_all(get_unaligned_be64(&r->l0),
> +				get_unaligned_be64(&r->l1), s);
>  }
>  
>  /*
> 
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