linux-kernel - Re: [PATCH 07/12] dm: use bvec iterator helpers to implement .get_page and .next

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Date:   Mon, 21 Nov 2016 09:49:56 -0500
From:   Mike Snitzer <snitzer@...hat.com>
To:     Ming Lei <tom.leiming@...il.com>
Cc:     Jens Axboe <axboe@...com>, linux-kernel@...r.kernel.org,
        linux-block@...r.kernel.org, linux-fsdevel@...r.kernel.org,
        Christoph Hellwig <hch@...radead.org>,
        Alasdair Kergon <agk@...hat.com>,
        "maintainer:DEVICE-MAPPER (LVM)" <dm-devel@...hat.com>,
        Shaohua Li <shli@...nel.org>,
        "open list:SOFTWARE RAID (Multiple Disks) SUPPORT" 
        <linux-raid@...r.kernel.org>
Subject: Re: [PATCH 07/12] dm: use bvec iterator helpers to implement
 .get_page and .next_page

On Fri, Nov 11 2016 at  7:05am -0500,
Ming Lei <tom.leiming@...il.com> wrote:

> Firstly we have mature bvec/bio iterator helper for iterate each
> page in one bio, not necessary to reinvent a wheel to do that.
> 
> Secondly the coming multipage bvecs requires this patch.
> 
> Also add comments about the direct access to bvec table.
> 
> Signed-off-by: Ming Lei <tom.leiming@...il.com>

I've staged this for 4.10