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Date: Tue, 31 Jan 2012 06:34:52 -0500
From: Christoph Hellwig <hch@infradead.org>
Subject: Re: [PATCH] fix readahead pipeline break caused by block plug
Message-ID: <20120131113452.GA3235@infradead.org>
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To: Wu Fengguang <wfg@linux.intel.com>
Cc: Christoph Hellwig <hch@infradead.org>, Shaohua Li <shaohua.li@intel.com>, lkml <linux-kernel@vger.kernel.org>, linux-mm <linux-mm@kvack.org>, Andrew Morton <akpm@linux-foundation.org>, Jens Axboe <axboe@kernel.dk>, Herbert Poetzl <herbert@13thfloor.at>, Eric Dumazet <eric.dumazet@gmail.com>, Vivek Goyal <vgoyal@redhat.com>

On Tue, Jan 31, 2012 at 06:57:54PM +0800, Wu Fengguang wrote:
> The problem is, there are a dozen of ->direct_IO callback functions.
> While there are only two ->direct_IO() callers, one for READ and
> another for WRITE, which are much easier to deal with.

So what?  Better do a bit more work now and keep the damn thing
maintainable.

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