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Date: Tue, 15 Nov 2016 05:58:33 -0800
From: Christoph Hellwig <hch@infradead.org>
To: Jens Axboe <axboe@fb.com>
Cc: Christoph Hellwig <hch@infradead.org>, axboe@kernel.dk,
	linux-block@vger.kernel.org
Subject: Re: [PATCHSET] Add support for simplified async direct-io
Message-ID: <20161115135833.GA27541@infradead.org>
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On Mon, Nov 14, 2016 at 11:17:09AM -0700, Jens Axboe wrote:
> Just make the limit reasonable - with a order 1 alloc, we have 256 pages, or
> 1MB of IO.

That's not reasonable for many RAID arrays.

> Loop around that.

How do you want to loop around that for AIO?