linux-kernel - Re: [PATCH 2/3] block: loop: unify interface type of lo_send and lo

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Message-ID: <CACVXFVOqwx5bPbzKmzs0BtpHjQjUDBu3NVEmaxTWWQERjWJZKw@mail.gmail.com>
Date:	Tue, 24 Mar 2015 18:55:29 +0800
From:	Ming Lei <ming.lei@...onical.com>
To:	Christoph Hellwig <hch@....de>
Cc:	Jens Axboe <axboe@...com>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Al Viro <viro@...iv.linux.org.uk>,
	Maxim Patlasov <mpatlasov@...allels.com>
Subject: Re: [PATCH 2/3] block: loop: unify interface type of lo_send and lo_receive

On Tue, Mar 24, 2015 at 6:30 PM, Christoph Hellwig <hch@....de> wrote:
> This just adds code for no obvious benefit..

If you see the patch 3, you will find lo_rw() can handle transfer page
for both read and write, so there is benefit.

Thanks,
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