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Date:   Wed, 22 Dec 2021 22:50:20 -0800
From:   Christoph Hellwig <hch@infradead.org>
To:     "Matthew Wilcox (Oracle)" <willy@infradead.org>
Cc:     linux-fsdevel@vger.kernel.org, linux-mm@kvack.org
Subject: Re: [PATCH 02/48] fs/writeback: Convert inode_switch_wbs_work_fn to
 folios
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On Wed, Dec 08, 2021 at 04:22:10AM +0000, Matthew Wilcox (Oracle) wrote:
> This gets the statistics correct by modifying the counters by the
> number of pages in the folio instead of by 1.

We can't actually hit this for a multi-page folio yet, can we?
So this should be more of a prep patch?

Otherwise looks good:

Reviewed-by: Christoph Hellwig <hch@lst.de>