linux-kernel - Re: [PATCH 8/8] Add yaffs2 file system: VFS glue code, hook into kernel tree building

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Date:	Wed, 1 Dec 2010 16:30:32 +1100
From:	Nick Piggin <npiggin@...il.com>
To:	Charles Manning <cdhmanning@...il.com>
Cc:	linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 8/8] Add yaffs2 file system: VFS glue code, hook into
 kernel tree building

On Wed, Dec 1, 2010 at 8:57 AM, Charles Manning <cdhmanning@...il.com> wrote:

> +#define UnlockPage(p) unlock_page(p)
> +#define Page_Uptodate(page)    test_bit(PG_uptodate, &(page)->flags)

You should never be testing page flags by hand, outside mm code.

Why aren't you using PageUptodate()?
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