linux-kernel - Re: [PATCH v3 18/49] block: introduce multipage/single page bvec helpers

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Message-ID: <20170810120029.GA14607@infradead.org>
Date:   Thu, 10 Aug 2017 05:00:29 -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 18/49] block: introduce multipage/single page bvec
 helpers

Please skip adding the _sp names for the single page ones - those
are the only used to implement the non postfixed ones anyway.

The _mp ones should have bio_iter_segment_* names instead.

And while you're at it - I think this code would massively benefit
from turning it into inline functions in a prep step before doing these
changes, including passing the iter by reference for all these functions
instead of the odd by value calling convention.