Re: [PATCH 23/29] block: use bdev_nr_sectors instead of open coding it in blkdev_fallocate

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Subject: Re: [PATCH 23/29] block: use bdev_nr_sectors instead of open coding it in blkdev_fallocate
From: Chaitanya Kulkarni <chaitanyak@xxxxxxxxxx>
Date: Wed, 13 Oct 2021 22:34:35 +0000
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Cc: Dave Kleikamp <shaggy@xxxxxxxxxx>, "jfs-discussion@xxxxxxxxxxxxxxxxxxxxx" <jfs-discussion@xxxxxxxxxxxxxxxxxxxxx>, Mike Snitzer <snitzer@xxxxxxxxxx>, "linux-nvme@xxxxxxxxxxxxxxxxxxx" <linux-nvme@xxxxxxxxxxxxxxxxxxx>, Konstantin Komarov <almaz.alexandrovich@xxxxxxxxxxxxxxxxxxxx>, Song Liu <song@xxxxxxxxxx>, "dm-devel@xxxxxxxxxx" <dm-devel@xxxxxxxxxx>, "target-devel@xxxxxxxxxxxxxxx" <target-devel@xxxxxxxxxxxxxxx>, "linux-mtd@xxxxxxxxxxxxxxxxxxx" <linux-mtd@xxxxxxxxxxxxxxxxxxx>, "reiserfs-devel@xxxxxxxxxxxxxxx" <reiserfs-devel@xxxxxxxxxxxxxxx>, "drbd-dev@xxxxxxxxxxxxxxxx" <drbd-dev@xxxxxxxxxxxxxxxx>, "linux-nilfs@xxxxxxxxxxxxxxx" <linux-nilfs@xxxxxxxxxxxxxxx>, "linux-scsi@xxxxxxxxxxxxxxx" <linux-scsi@xxxxxxxxxxxxxxx>, OGAWA Hirofumi <hirofumi@xxxxxxxxxxxxxxxxxx>, Ryusuke@xxxxxxxxxxx, "linux-ext4@xxxxxxxxxxxxxxx" <linux-ext4@xxxxxxxxxxxxxxx>, Kees Cook <keescook@xxxxxxxxxxxx>, Josef Bacik <josef@xxxxxxxxxxxxxx>, Coly Li <colyli@xxxxxxx>, "linux-raid@xxxxxxxxxxxxxxx" <linux-raid@xxxxxxxxxxxxxxx>, "linux-bcache@xxxxxxxxxxxxxxx" <linux-bcache@xxxxxxxxxxxxxxx>, David Sterba <dsterba@xxxxxxxx>, Konishi <konishi.ryusuke@xxxxxxxxx>, Anton Altaparmakov <anton@xxxxxxxxxx>, "linux-block@xxxxxxxxxxxxxxx" <linux-block@xxxxxxxxxxxxxxx>, "linux-nfs@xxxxxxxxxxxxxxx" <linux-nfs@xxxxxxxxxxxxxxx>, "Theodore Ts'o" <tytso@xxxxxxx>, "linux-ntfs-dev@xxxxxxxxxxxxxxxxxxxxx" <linux-ntfs-dev@xxxxxxxxxxxxxxxxxxxxx>, Jan Kara <jack@xxxxxxxx>, "linux-fsdevel@xxxxxxxxxxxxxxx" <linux-fsdevel@xxxxxxxxxxxxxxx>, Phillip Lougher <phillip@xxxxxxxxxxxxxxx>, "ntfs3@xxxxxxxxxxxxxxx" <ntfs3@xxxxxxxxxxxxxxx>, "linux-btrfs@xxxxxxxxxxxxxxx" <linux-btrfs@xxxxxxxxxxxxxxx>
In-reply-to: <20211013051042.1065752-24-hch@lst.de>
References: <20211013051042.1065752-1-hch@lst.de> <20211013051042.1065752-24-hch@lst.de>
User-agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:91.0) Gecko/20100101 Thunderbird/91.2.0

On 10/12/2021 10:10 PM, Christoph Hellwig wrote:
> Use the proper helper to read the block device size.
> 
> Signed-off-by: Christoph Hellwig <hch@xxxxxx>

Looks good.

Reviewed-by: Chaitanya Kulkarni <kch@xxxxxxxxxx>



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References:
- don't use ->bd_inode to access the block device size
  - From: Christoph Hellwig
- [PATCH 23/29] block: use bdev_nr_sectors instead of open coding it in blkdev_fallocate
  - From: Christoph Hellwig

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