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Date:   Thu, 28 Feb 2019 06:13:19 -0800
From:   Christoph Hellwig <hch@infradead.org>
To:     Ming Lei <ming.lei@redhat.com>
Cc:     Jens Axboe <axboe@kernel.dk>, linux-block@vger.kernel.org
Subject: Re: [PATCH 4/4] block: introduce mp_bvec_for_each_page() for
 iterating over page
Message-ID: <20190228141319.GA18069@infradead.org>
References: <20190227124013.4828-1-ming.lei@redhat.com>
 <20190227124013.4828-5-ming.lei@redhat.com>
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On Wed, Feb 27, 2019 at 08:40:13PM +0800, Ming Lei wrote:
> mp_bvec_for_each_segment() is a bit big for the iteration, so introduce
> a light-weight helper for iterating over pages, then 32bytes stack
> space can be saved.

The version in Jens' tree seems to add this helper, but no actual
users..