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Date:   Tue, 23 Aug 2022 20:52:21 -0700
From:   Christoph Hellwig <hch@infradead.org>
To:     David Howells <dhowells@redhat.com>
Cc:     Steve French <smfrench@gmail.com>,
        Al Viro <viro@zeniv.linux.org.uk>,
        Shyam Prasad N <nspmangalore@gmail.com>,
        Rohith Surabattula <rohiths.msft@gmail.com>,
        Jeff Layton <jlayton@kernel.org>, linux-cifs@vger.kernel.org,
        linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 1/7] iov_iter: Add a function to extract an iter's
 buffers to a bvec iter
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On Tue, Aug 23, 2022 at 03:12:14PM +0100, David Howells wrote:
> Copy cifs's setup_aio_ctx_iter() and to lib/iov_iter.c and generalise it as
> extract_iter_to_iter().  This allocates and sets up an array of bio_vecs
> for all the page fragments in an I/O iterator and sets a second supplied
> iterator to bvec-type pointing to the array.

Did you read my NACK and comments from last time?