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Date:   Wed, 13 Oct 2021 07:10:40 +0200
From:   Christoph Hellwig <hch@....de>
To:     Jens Axboe <axboe@...nel.dk>
Cc:     Coly Li <colyli@...e.de>, Mike Snitzer <snitzer@...hat.com>,
        Song Liu <song@...nel.org>, David Sterba <dsterba@...e.com>,
        Josef Bacik <josef@...icpanda.com>,
        "Theodore Ts'o" <tytso@....edu>,
        OGAWA Hirofumi <hirofumi@...l.parknet.co.jp>,
        Dave Kleikamp <shaggy@...nel.org>,
        Ryusuke Konishi <konishi.ryusuke@...il.com>,
        Anton Altaparmakov <anton@...era.com>,
        Konstantin Komarov <almaz.alexandrovich@...agon-software.com>,
        Kees Cook <keescook@...omium.org>,
        Phillip Lougher <phillip@...ashfs.org.uk>,
        Jan Kara <jack@...e.com>, linux-block@...r.kernel.org,
        dm-devel@...hat.com, drbd-dev@...ts.linbit.com,
        linux-bcache@...r.kernel.org, linux-raid@...r.kernel.org,
        linux-mtd@...ts.infradead.org, linux-nvme@...ts.infradead.org,
        linux-scsi@...r.kernel.org, target-devel@...r.kernel.org,
        linux-fsdevel@...r.kernel.org, linux-btrfs@...r.kernel.org,
        linux-ext4@...r.kernel.org, jfs-discussion@...ts.sourceforge.net,
        linux-nfs@...r.kernel.org, linux-nilfs@...r.kernel.org,
        linux-ntfs-dev@...ts.sourceforge.net, ntfs3@...ts.linux.dev,
        reiserfs-devel@...r.kernel.org
Subject: [PATCH 27/29] ntfs: use sb_bdev_nr_blocks

Use the sb_bdev_nr_blocks helper instead of open coding it.

Signed-off-by: Christoph Hellwig <hch@....de>
---
 fs/ntfs/super.c | 8 +++-----
 1 file changed, 3 insertions(+), 5 deletions(-)

diff --git a/fs/ntfs/super.c b/fs/ntfs/super.c
index 0d7e948cb29c9..5ae8de09b271b 100644
--- a/fs/ntfs/super.c
+++ b/fs/ntfs/super.c
@@ -2772,13 +2772,12 @@ static int ntfs_fill_super(struct super_block *sb, void *opt, const int silent)
 	ntfs_debug("Set device block size to %i bytes (block size bits %i).",
 			blocksize, sb->s_blocksize_bits);
 	/* Determine the size of the device in units of block_size bytes. */
-	if (!i_size_read(sb->s_bdev->bd_inode)) {
+	vol->nr_blocks = sb_bdev_nr_blocks(sb);
+	if (!vol->nr_blocks) {
 		if (!silent)
 			ntfs_error(sb, "Unable to determine device size.");
 		goto err_out_now;
 	}
-	vol->nr_blocks = i_size_read(sb->s_bdev->bd_inode) >>
-			sb->s_blocksize_bits;
 	/* Read the boot sector and return unlocked buffer head to it. */
 	if (!(bh = read_ntfs_boot_sector(sb, silent))) {
 		if (!silent)
@@ -2816,8 +2815,7 @@ static int ntfs_fill_super(struct super_block *sb, void *opt, const int silent)
 			goto err_out_now;
 		}
 		BUG_ON(blocksize != sb->s_blocksize);
-		vol->nr_blocks = i_size_read(sb->s_bdev->bd_inode) >>
-				sb->s_blocksize_bits;
+		vol->nr_blocks = sb_bdev_nr_blocks(sb);
 		ntfs_debug("Changed device block size to %i bytes (block size "
 				"bits %i) to match volume sector size.",
 				blocksize, sb->s_blocksize_bits);
-- 
2.30.2

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