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Date:   Fri, 15 Oct 2021 14:35:15 +0100
From:   Matthew Wilcox <willy@infradead.org>
To:     Christoph Hellwig <hch@lst.de>
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Subject: Re: [PATCH 02/30] block: add a bdev_nr_bytes helper
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References: <20211015132643.1621913-1-hch@lst.de>
 <20211015132643.1621913-3-hch@lst.de>
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On Fri, Oct 15, 2021 at 03:26:15PM +0200, Christoph Hellwig wrote:
> +static inline sector_t bdev_nr_bytes(struct block_device *bdev)
> +{
> +	return i_size_read(bdev->bd_inode);

Uh.  loff_t, surely?