linux-ext4 - Re: [PATCH V12 06/20] block: rename bvec helpers

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Date:   Mon, 26 Nov 2018 14:18:35 -0800
From:   Omar Sandoval <osandov@...ndov.com>
To:     Ming Lei <ming.lei@...hat.com>
Cc:     Jens Axboe <axboe@...nel.dk>, linux-block@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-mm@...ck.org,
        Theodore Ts'o <tytso@....edu>, Omar Sandoval <osandov@...com>,
        Sagi Grimberg <sagi@...mberg.me>,
        Dave Chinner <dchinner@...hat.com>,
        Kent Overstreet <kent.overstreet@...il.com>,
        Mike Snitzer <snitzer@...hat.com>, dm-devel@...hat.com,
        Alexander Viro <viro@...iv.linux.org.uk>,
        linux-fsdevel@...r.kernel.org, Shaohua Li <shli@...nel.org>,
        linux-raid@...r.kernel.org, David Sterba <dsterba@...e.com>,
        linux-btrfs@...r.kernel.org,
        "Darrick J . Wong" <darrick.wong@...cle.com>,
        linux-xfs@...r.kernel.org, Gao Xiang <gaoxiang25@...wei.com>,
        Christoph Hellwig <hch@....de>, linux-ext4@...r.kernel.org,
        Coly Li <colyli@...e.de>, linux-bcache@...r.kernel.org,
        Boaz Harrosh <ooo@...ctrozaur.com>,
        Bob Peterson <rpeterso@...hat.com>, cluster-devel@...hat.com
Subject: Re: [PATCH V12 06/20] block: rename bvec helpers

On Mon, Nov 26, 2018 at 10:17:06AM +0800, Ming Lei wrote:
> We will support multi-page bvec soon, and have to deal with
> single-page vs multi-page bvec. This patch follows Christoph's
> suggestion to rename all the following helpers:
> 
> 	for_each_bvec
> 	bvec_iter_bvec
> 	bvec_iter_len
> 	bvec_iter_page
> 	bvec_iter_offset
> 
> into:
> 	for_each_segment
> 	segment_iter_bvec
> 	segment_iter_len
> 	segment_iter_page
> 	segment_iter_offset
> 
> so that these helpers named with 'segment' only deal with single-page
> bvec, or called segment. We will introduce helpers named with 'bvec'
> for multi-page bvec.
> 
> bvec_iter_advance() isn't renamed becasue this helper is always operated
> on real bvec even though multi-page bvec is supported.
> 
> Suggested-by: Christoph Hellwig <hch@....de>

Reviewed-by: Omar Sandoval <osandov@...com>

> Signed-off-by: Ming Lei <ming.lei@...hat.com>
> ---
>  .clang-format                  |  2 +-
>  drivers/md/dm-integrity.c      |  2 +-
>  drivers/md/dm-io.c             |  4 ++--
>  drivers/nvdimm/blk.c           |  4 ++--
>  drivers/nvdimm/btt.c           |  4 ++--
>  include/linux/bio.h            | 10 +++++-----
>  include/linux/bvec.h           | 20 +++++++++++---------
>  include/linux/ceph/messenger.h |  2 +-
>  lib/iov_iter.c                 |  2 +-
>  net/ceph/messenger.c           | 14 +++++++-------
>  10 files changed, 33 insertions(+), 31 deletions(-)