linux-ext4 - [PATCH 27/30] jfs: use sb_bdev_nr

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Date:   Fri, 15 Oct 2021 15:26:40 +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-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 27/30] jfs: use sb_bdev_nr_blocks

Use the sb_bdev_nr_blocks helper instead of open coding it.

Signed-off-by: Christoph Hellwig <hch@....de>
Reviewed-by: Kees Cook <keescook@...omium.org>
---
 fs/jfs/resize.c | 3 +--
 fs/jfs/super.c  | 3 +--
 2 files changed, 2 insertions(+), 4 deletions(-)

diff --git a/fs/jfs/resize.c b/fs/jfs/resize.c
index a42dbb0d3d28a..8b9a72ae5efa7 100644
--- a/fs/jfs/resize.c
+++ b/fs/jfs/resize.c
@@ -86,8 +86,7 @@ int jfs_extendfs(struct super_block *sb, s64 newLVSize, int newLogSize)
 		goto out;
 	}
 
-	VolumeSize = i_size_read(sb->s_bdev->bd_inode) >> sb->s_blocksize_bits;
-
+	VolumeSize = sb_bdev_nr_blocks(sb);
 	if (VolumeSize) {
 		if (newLVSize > VolumeSize) {
 			printk(KERN_WARNING "jfs_extendfs: invalid size\n");
diff --git a/fs/jfs/super.c b/fs/jfs/super.c
index 9241caa161163..24cbc9946e01c 100644
--- a/fs/jfs/super.c
+++ b/fs/jfs/super.c
@@ -284,8 +284,7 @@ static int parse_options(char *options, struct super_block *sb, s64 *newLVSize,
 		}
 		case Opt_resize_nosize:
 		{
-			*newLVSize = i_size_read(sb->s_bdev->bd_inode) >>
-				sb->s_blocksize_bits;
+			*newLVSize = sb_bdev_nr_blocks(sb);
 			if (*newLVSize == 0)
 				pr_err("JFS: Cannot determine volume size\n");
 			break;
-- 
2.30.2