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Date:   Thu, 28 Apr 2022 18:23:53 -0700
From:   Andrew Morton <akpm@linux-foundation.org>
To:     NeilBrown <neilb@suse.de>
Cc:     Geert Uytterhoeven <geert+renesas@glider.be>,
        Christoph Hellwig <hch@lst.de>,
        Miaohe Lin <linmiaohe@huawei.com>, linux-nfs@vger.kernel.org,
        linux-mm@kvack.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 2/2] NFS: rename nfs_direct_IO and use as ->swap_rw
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On Fri, 29 Apr 2022 10:43:34 +1000 NeilBrown <neilb@suse.de> wrote:

> The nfs_direct_IO() exists to support SWAP IO, but hasn't worked for a
> while.  We now need a ->swap_rw function which behaves slightly
> differently, returning zero for success rather than a byte count.
> 
> So modify nfs_direct_IO accordingly, rename it, and use it as the
> ->swap_rw function.
> 

This one I insertion sorted into the series after
mm-introduce-swap_rw-and-use-it-for-reads-from-swp_fs_ops-swap-space.patch.
I can later fold this patch into that one of you think that's a better
presentation?