Re: [PATCH v2 17/28] iomap: Convert readahead and readpage to use a folio

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To: "Matthew Wilcox (Oracle)" <willy@xxxxxxxxxxxxx>
Subject: Re: [PATCH v2 17/28] iomap: Convert readahead and readpage to use a folio
From: Christoph Hellwig <hch@xxxxxxxxxxxxx>
Date: Tue, 9 Nov 2021 00:43:14 -0800
Cc: "Darrick J . Wong " <djwong@xxxxxxxxxx>, linux-xfs@xxxxxxxxxxxxxxx, linux-fsdevel@xxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, linux-block@xxxxxxxxxxxxxxx, Jens Axboe <axboe@xxxxxxxxx>, Christoph Hellwig <hch@xxxxxxxxxxxxx>
In-reply-to: <20211108040551.1942823-18-willy@infradead.org>

On Mon, Nov 08, 2021 at 04:05:40AM +0000, Matthew Wilcox (Oracle) wrote:
> Handle folios of arbitrary size instead of working in PAGE_SIZE units.
> readahead_folio() decreases the page refcount for you, so this is not
> quite a mechanical change.

Looks good,

Reviewed-by: Christoph Hellwig <hch@xxxxxx>

References:
- [PATCH v2 00/28] iomap/xfs folio patches
  - From: Matthew Wilcox (Oracle)
- [PATCH v2 17/28] iomap: Convert readahead and readpage to use a folio
  - From: Matthew Wilcox (Oracle)

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