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Date:   Tue, 15 Nov 2022 00:43:43 -0800
From:   Christoph Hellwig <hch@infradead.org>
To:     Dave Chinner <david@fromorbit.com>
Cc:     linux-xfs@vger.kernel.org, linux-fsdevel@vger.kernel.org,
        linux-mm@kvack.org
Subject: Re: [PATCH 5/9] xfs: buffered write failure should not truncate the
 page cache
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> +static int
> +xfs_buffered_write_delalloc_scan(

As pointed out last time, this is generic iomap (or in fact filemap.c,
but maybe start small) logic, so move it there and just pass
xfs_buffered_write_delalloc_punch as a callback.