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Date: Tue, 12 Oct 2021 23:12:52 -0700
From: Kees Cook <keescook@chromium.org>
To: Christoph Hellwig <hch@lst.de>
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Cc: Dave Kleikamp <shaggy@kernel.org>, jfs-discussion@lists.sourceforge.net,
	Mike Snitzer <snitzer@redhat.com>, linux-nvme@lists.infradead.org,
	Konstantin Komarov <almaz.alexandrovich@paragon-software.com>,
	Song Liu <song@kernel.org>, dm-devel@redhat.com,
	target-devel@vger.kernel.org, linux-mtd@lists.infradead.org,
	reiserfs-devel@vger.kernel.org, drbd-dev@lists.linbit.com,
	linux-nilfs@vger.kernel.org, linux-scsi@vger.kernel.org,
	OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>,
	linux-ext4@vger.kernel.org, Josef Bacik <josef@toxicpanda.com>,
	Coly Li <colyli@suse.de>, linux-raid@vger.kernel.org,
	linux-bcache@vger.kernel.org, David Sterba <dsterba@suse.com>,
	Ryusuke Konishi <konishi.ryusuke@gmail.com>,
	Anton Altaparmakov <anton@tuxera.com>,
	Jens Axboe <axboe@kernel.dk>, linux-block@vger.kernel.org,
	linux-nfs@vger.kernel.org, Theodore Ts'o <tytso@mit.edu>,
	linux-ntfs-dev@lists.sourceforge.net, Jan Kara <jack@suse.com>,
	linux-fsdevel@vger.kernel.org,
	Phillip Lougher <phillip@squashfs.org.uk>, ntfs3@lists.linux.dev,
	linux-btrfs@vger.kernel.org
Subject: Re: [Drbd-dev] [PATCH 04/29] md: use bdev_nr_sectors instead of
	open coding it
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On Wed, Oct 13, 2021 at 07:10:17AM +0200, Christoph Hellwig wrote:
> Use the proper helper to read the block device size.
> 
> Signed-off-by: Christoph Hellwig <hch@lst.de>

I think it might make sense, as you suggest earlier, to add a "bytes"
helper. This is the first user in the series needing:

	bdev_nr_sectors(...bdev) << SECTOR_SHIFT

Reviewed-by: Kees Cook <keescook@chromium.org>

-- 
Kees Cook