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DateWed, 9 Apr 2008 12:13:19 -0400
SubjectRe: [NFS] Use a zero sized array for raw field in struct fid
From"J. Bruce Fields" <>
On Tue, Apr 08, 2008 at 02:01:26PM +0100, Steven Whitehouse wrote:
> >From b8732f8bea4e8abc331b8fa58a4047c91e2e7d02 Mon Sep 17 00:00:00 2001> From: Steven Whitehouse <swhiteho@redhat.com>
> Date: Tue, 8 Apr 2008 13:12:52 +0100
> Subject: [PATCH] [NFS] Use a zero sized array for raw field in struct fid
> 
> The raw field's size can vary so we use a zero sized array since
> gcc will not allow a variable sized array inside a union. This
> has been tested with ext3 and gfs2 and relates to the bug
> report: http://lkml.org/lkml/2007/10/24/374 and discussion
> thread: http://lkml.org/lkml/2008/4/7/65

OK; queued for 2.6.26.--b.

> > Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
> Cc: Christoph Hellwig <hch@infradead.org>
> Cc: Neil Brown <neilb@suse.de>
> Cc: J. Bruce Fields <bfields@fieldses.org>
> Cc: Adrian Bunk <bunk@kernel.org>
> 
> diff --git a/include/linux/exportfs.h b/include/linux/exportfs.h
> index adcbb05..de8387b 100644
> --- a/include/linux/exportfs.h
> +++ b/include/linux/exportfs.h
> @@ -43,7 +43,7 @@ struct fid {
>  			u32 parent_ino;
>  			u32 parent_gen;
>  		} i32;
> -		__u32 raw[6];
> +		__u32 raw[0];
>  	};
>  };
> 
> -- 
> 1.5.1.2
> 
> 
> 


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