linux-kernel - Re: [PATCH 1/4] f2fs: fix to clear private data in page

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Message-ID: <20160428232909.GA41124@jaegeuk.gateway>
Date:	Thu, 28 Apr 2016 16:29:09 -0700
From:	Jaegeuk Kim <jaegeuk@...nel.org>
To:	Chao Yu <chao@...nel.org>
Cc:	linux-f2fs-devel@...ts.sourceforge.net,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/4] f2fs: fix to clear private data in page

Hi Chao,

Could you check your email setting?
All the patches are corrupted, as git am says.

Thanks,

On Thu, Apr 28, 2016 at 11:13:48PM +0800, Chao Yu wrote:
> From: Chao Yu <yuchao0@...wei.com>
> 
> Private data in page should be removed during ->releasepage or
> ->invalidatepage, otherwise garbage data would be remained in that page.
> 
> Signed-off-by: Chao Yu <yuchao0@...wei.com>
> ---
>  fs/f2fs/data.c | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c
> index 38ce5d6..888f178 100644
> --- a/fs/f2fs/data.c
> +++ b/fs/f2fs/data.c
> @@ -1723,6 +1723,7 @@ void f2fs_invalidate_page(struct page *page, unsigned int
> offset,
>  	if (IS_ATOMIC_WRITTEN_PAGE(page))
>  		return;
> 
> +	set_page_private(page, 0);
>  	ClearPagePrivate(page);
>  }
> 
> @@ -1736,6 +1737,7 @@ int f2fs_release_page(struct page *page, gfp_t wait)
>  	if (IS_ATOMIC_WRITTEN_PAGE(page))
>  		return 0;
> 
> +	set_page_private(page, 0);
>  	ClearPagePrivate(page);
>  	return 1;
>  }
> -- 
> 2.7.2