linux-kernel - Re: [PATCH 11/21] iomap: Use folio offsets instead of page offsets

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Message-ID: <YYDmKxDjf3UKk0mU@infradead.org>
Date:   Tue, 2 Nov 2021 00:18:03 -0700
From:   Christoph Hellwig <hch@...radead.org>
To:     "Matthew Wilcox (Oracle)" <willy@...radead.org>
Cc:     "Darrick J. Wong" <djwong@...nel.org>, linux-xfs@...r.kernel.org,
        linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-block@...r.kernel.org, Jens Axboe <axboe@...nel.dk>,
        Christoph Hellwig <hch@...radead.org>
Subject: Re: [PATCH 11/21] iomap: Use folio offsets instead of page offsets

On Mon, Nov 01, 2021 at 08:39:19PM +0000, Matthew Wilcox (Oracle) wrote:
> Pass a folio around instead of the page, and make sure the offset
> is relative to the start of the folio instead of the start of a page.
> Also use size_t for offset & length to make it clear that these are byte
> counts, and to support >2GB folios in the future.
> 
> Signed-off-by: Matthew Wilcox (Oracle) <willy@...radead.org>
> Reviewed-by: Darrick J. Wong <djwong@...nel.org>

Looks good,

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