linux-kernel - Re: [BUG] fs/xfs/xfs_bmap_btree.c:2312: error: 'b' undeclared (first use in this function) (Was Re: 2.6.23-rc3-mm1)

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Date:	Thu, 23 Aug 2007 15:27:10 +1000
From:	Tim Shimmin <tes@....com>
To:	Michal Piotrowski <michal.k.k.piotrowski@...il.com>
CC:	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org, xfs-masters@....sgi.com
Subject: Re: [BUG] fs/xfs/xfs_bmap_btree.c:2312: error: 'b' undeclared (first
 use in this function) (Was Re: 2.6.23-rc3-mm1)

Hi Michal,

Thanks for the patch.
This would be a problem for 32bit machines without large blocksize support
(i.e. in our xfs tests: !XFS_BIG_BLKNOS => (BITS_PER_LONG == 32 && !defined(CONFIG_LBD))
which we obviously didn't do a build test for.

I'll check it into our local tree and push to the master branch for Andrew.

--Tim

Michal Piotrowski wrote:
> Michal Piotrowski pisze:
>> Andrew Morton pisze:
>>> ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.23-rc3/2.6.23-rc3-mm1/
>>>
>> /home/devel/linux-mm/fs/xfs/xfs_bmap_btree.c: In function 'xfs_bmbt_set_allf':
>> /home/devel/linux-mm/fs/xfs/xfs_bmap_btree.c:2312: error: 'b' undeclared (first use in this function)
>> /home/devel/linux-mm/fs/xfs/xfs_bmap_btree.c:2312: error: (Each undeclared identifier is reported only once
>> /home/devel/linux-mm/fs/xfs/xfs_bmap_btree.c:2312: error: for each function it appears in.)
>> /home/devel/linux-mm/fs/xfs/xfs_bmap_btree.c: In function 'xfs_bmbt_disk_set_allf':
>> /home/devel/linux-mm/fs/xfs/xfs_bmap_btree.c:2372: error: 'b' undeclared (first use in this function)
>> make[3]: *** [fs/xfs/xfs_bmap_btree.o] Error 1
>> make[2]: *** [fs/xfs] Error 2
>> make[1]: *** [fs] Error 2
>> make: *** [_all] Error 2
>>
> 
> Build fix.
> 
> Regards,
> Michal
> 
> --
> LOG
> http://www.stardust.webpages.pl/log/
> 
> Signed-off-by: Michal Piotrowski <michal.k.k.piotrowski@...il.com>
> 
> --- linux-mm-clean/fs/xfs/xfs_bmap_btree.c	2007-08-22 12:20:35.000000000 +0200
> +++ linux-mm/fs/xfs/xfs_bmap_btree.c	2007-08-22 12:15:52.000000000 +0200
> @@ -2309,7 +2309,7 @@ xfs_bmbt_set_allf(
>  		((xfs_bmbt_rec_base_t)blockcount &
>  		(xfs_bmbt_rec_base_t)XFS_MASK64LO(21));
>  #else	/* !XFS_BIG_BLKNOS */
> -	if (ISNULLSTARTBLOCK(b)) {
> +	if (ISNULLSTARTBLOCK(startblock)) {
>  		r->l0 = ((xfs_bmbt_rec_base_t)extent_flag << 63) |
>  			((xfs_bmbt_rec_base_t)startoff << 9) |
>  			 (xfs_bmbt_rec_base_t)XFS_MASK64LO(9);
> @@ -2369,7 +2369,7 @@ xfs_bmbt_disk_set_allf(
>  		 ((xfs_bmbt_rec_base_t)blockcount &
>  		  (xfs_bmbt_rec_base_t)XFS_MASK64LO(21)));
>  #else	/* !XFS_BIG_BLKNOS */
> -	if (ISNULLSTARTBLOCK(b)) {
> +	if (ISNULLSTARTBLOCK(startblock)) {
>  		r->l0 = cpu_to_be64(
>  			((xfs_bmbt_rec_base_t)extent_flag << 63) |
>  			 ((xfs_bmbt_rec_base_t)startoff << 9) |
> 
> -
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