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Date: Fri, 23 Nov 2012 03:21:57 -0500
From: Christoph Hellwig <hch@infradead.org>
To: Dave Kleikamp <dave.kleikamp@oracle.com>
Cc: linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org,
        Zach Brown <zab@zabbo.net>,
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Subject: Re: [PATCH v4 23/31] nfs: simplify swap
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On Wed, Nov 21, 2012 at 04:41:03PM -0600, Dave Kleikamp wrote:
> swap_writepage can now call nfs's write_iter f_op, eliminating the need to
> implement for the special-case direct_IO a_op. There is no longer a need to
> pass the uio flag through the direct write path.

This should also kill off the nasty REQ_KERNEL flag.