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Date: Mon, 16 Jan 2017 23:50:11 -0800
From: Christoph Hellwig <hch@infradead.org>
To: Ming Lei <tom.leiming@gmail.com>
Cc: Christoph Hellwig <hch@infradead.org>, Jens Axboe <axboe@fb.com>,
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Subject: Re: [PATCH v1 00/54] block: support multipage bvec
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On Tue, Jan 17, 2017 at 10:40:36AM +0800, Ming Lei wrote:
> IMO, the only one left is raid(1/5/10) which can be dealt with by the
> "NO_MP" flag.

No, they can't in the long run.  They need to handle the bvecs just
like everyone else.