linux-kernel - Re: [PATCH v3 19/49] block: implement sp version of bvec iterator helpers

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Message-ID: <20170810120146.GB14607@infradead.org>
Date:   Thu, 10 Aug 2017 05:01:46 -0700
From:   Christoph Hellwig <hch@...radead.org>
To:     Ming Lei <ming.lei@...hat.com>
Cc:     Jens Axboe <axboe@...com>, Christoph Hellwig <hch@...radead.org>,
        Huang Ying <ying.huang@...el.com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Alexander Viro <viro@...iv.linux.org.uk>,
        linux-kernel@...r.kernel.org, linux-block@...r.kernel.org,
        linux-fsdevel@...r.kernel.org, linux-mm@...ck.org
Subject: Re: [PATCH v3 19/49] block: implement sp version of bvec iterator
 helpers

On Tue, Aug 08, 2017 at 04:45:18PM +0800, Ming Lei wrote:
> This patch implements singlepage version of the following
> 3 helpers:
> 	- bvec_iter_offset_sp()
> 	- bvec_iter_len_sp()
> 	- bvec_iter_page_sp()
> 
> So that one multipage bvec can be splited to singlepage
> bvec, and make users of current bvec iterator happy.

Please merge this into the previous patch, and keep the existing
non postfixed names for the single page version, and use
bvec_iter_segment_* for the multipage versions.