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Date:	Tue, 5 Oct 2010 10:34:06 +0200
From:	Jan Kara <jack@...e.cz>
To:	Namhyung Kim <namhyung@...il.com>
Cc:	Andrew Morton <akpm@...ux-foundation.org>, Jan Kara <jack@...e.cz>,
	linux-ext4@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] jbd: Use offset_in_page() instead of manual calculation

On Tue 05-10-10 01:03:40, Namhyung Kim wrote:
> Signed-off-by: Namhyung Kim <namhyung@...il.com>
  Thanks. Merged.

								Honza
> ---
>  fs/jbd/transaction.c |    2 +-
>  1 files changed, 1 insertions(+), 1 deletions(-)
> 
> diff --git a/fs/jbd/transaction.c b/fs/jbd/transaction.c
> index 981449c..c9bb7a7 100644
> --- a/fs/jbd/transaction.c
> +++ b/fs/jbd/transaction.c
> @@ -711,7 +711,7 @@ done:
>  		J_EXPECT_JH(jh, buffer_uptodate(jh2bh(jh)),
>  			    "Possible IO failure.\n");
>  		page = jh2bh(jh)->b_page;
> -		offset = ((unsigned long) jh2bh(jh)->b_data) & ~PAGE_MASK;
> +		offset = offset_in_page(jh2bh(jh)->b_data);
>  		source = kmap_atomic(page, KM_USER0);
>  		memcpy(jh->b_frozen_data, source+offset, jh2bh(jh)->b_size);
>  		kunmap_atomic(source, KM_USER0);
> -- 
> 1.7.0.4
> 
-- 
Jan Kara <jack@...e.cz>
SUSE Labs, CR
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