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From:   David Howells <dhowells@redhat.com>
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To:     Matthew Wilcox <willy@infradead.org>
Cc:     dhowells@redhat.com, viro@zeniv.linux.org.uk,
        linux-fsdevel@vger.kernel.org, linux-afs@lists.infradead.org,
        linux-kernel@vger.kernel.org
Subject: Re: [PATCH 00/10] iov_iter: Add new iters and use with AFS
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Date:   Thu, 13 Sep 2018 18:05:46 +0100
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Matthew Wilcox <willy@infradead.org> wrote:

> It might serve to replace iov_iter_zero().

I don't think it can work like that.  iov_iter_zero() writes zeros into an
iterator someone else set up.

To use ITER_ZERO, you'd be setting up the iterator and passing it to someone
else to comsume.  I think these are at opposite ends of the concept.

David