linux-kernel - Re: [PATCH v4 23/31] nfs: simplify swap

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Message-ID: <20121123082157.GC10731@infradead.org>
Date:	Fri, 23 Nov 2012 03:21:57 -0500
From:	Christoph Hellwig <hch@...radead.org>
To:	Dave Kleikamp <dave.kleikamp@...cle.com>
Cc:	linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org,
	Zach Brown <zab@...bo.net>,
	"Maxim V. Patlasov" <mpatlasov@...allels.com>,
	Mel Gorman <mgorman@...e.de>,
	Trond Myklebust <Trond.Myklebust@...app.com>,
	linux-nfs@...r.kernel.org, Rik van Riel <riel@...hat.com>
Subject: Re: [PATCH v4 23/31] nfs: simplify swap

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.

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