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From:   Christoph Hellwig <hch@lst.de>
To:     Jens Axboe <axboe@kernel.dk>
Cc:     Coly Li <colyli@suse.de>, Mike Snitzer <snitzer@redhat.com>,
        Song Liu <song@kernel.org>, David Sterba <dsterba@suse.com>,
        Josef Bacik <josef@toxicpanda.com>,
        "Theodore Ts'o" <tytso@mit.edu>,
        OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>,
        Dave Kleikamp <shaggy@kernel.org>,
        Ryusuke Konishi <konishi.ryusuke@gmail.com>,
        Anton Altaparmakov <anton@tuxera.com>,
        Konstantin Komarov <almaz.alexandrovich@paragon-software.com>,
        Kees Cook <keescook@chromium.org>,
        Phillip Lougher <phillip@squashfs.org.uk>,
        Jan Kara <jack@suse.com>, linux-block@vger.kernel.org,
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Subject: [PATCH 19/30] nilfs2: use bdev_nr_bytes instead of open coding it
Date:   Fri, 15 Oct 2021 15:26:32 +0200
Message-Id: <20211015132643.1621913-20-hch@lst.de>
In-Reply-To: <20211015132643.1621913-1-hch@lst.de>
References: <20211015132643.1621913-1-hch@lst.de>
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Use the proper helper to read the block device size.

Signed-off-by: Christoph Hellwig <hch@lst.de>
---
 fs/nilfs2/ioctl.c     | 2 +-
 fs/nilfs2/super.c     | 2 +-
 fs/nilfs2/the_nilfs.c | 2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/fs/nilfs2/ioctl.c b/fs/nilfs2/ioctl.c
index 640ac8fe891e6..1d0583cfd9701 100644
--- a/fs/nilfs2/ioctl.c
+++ b/fs/nilfs2/ioctl.c
@@ -1107,7 +1107,7 @@ static int nilfs_ioctl_set_alloc_range(struct inode *inode, void __user *argp)
 		goto out;
 
 	ret = -ERANGE;
-	if (range[1] > i_size_read(inode->i_sb->s_bdev->bd_inode))
+	if (range[1] > bdev_nr_bytes(inode->i_sb->s_bdev))
 		goto out;
 
 	segbytes = nilfs->ns_blocks_per_segment * nilfs->ns_blocksize;
diff --git a/fs/nilfs2/super.c b/fs/nilfs2/super.c
index f6b2d280aab5a..3134c0e42fd46 100644
--- a/fs/nilfs2/super.c
+++ b/fs/nilfs2/super.c
@@ -403,7 +403,7 @@ int nilfs_resize_fs(struct super_block *sb, __u64 newsize)
 	int ret;
 
 	ret = -ERANGE;
-	devsize = i_size_read(sb->s_bdev->bd_inode);
+	devsize = bdev_nr_bytes(sb->s_bdev);
 	if (newsize > devsize)
 		goto out;
 
diff --git a/fs/nilfs2/the_nilfs.c b/fs/nilfs2/the_nilfs.c
index c8bfc01da5d71..1bfcb5d3ea480 100644
--- a/fs/nilfs2/the_nilfs.c
+++ b/fs/nilfs2/the_nilfs.c
@@ -489,7 +489,7 @@ static int nilfs_load_super_block(struct the_nilfs *nilfs,
 {
 	struct nilfs_super_block **sbp = nilfs->ns_sbp;
 	struct buffer_head **sbh = nilfs->ns_sbh;
-	u64 sb2off = NILFS_SB2_OFFSET_BYTES(nilfs->ns_bdev->bd_inode->i_size);
+	u64 sb2off = NILFS_SB2_OFFSET_BYTES(bdev_nr_bytes(nilfs->ns_bdev));
 	int valid[2], swp = 0;
 
 	sbp[0] = nilfs_read_super_block(sb, NILFS_SB_OFFSET_BYTES, blocksize,
-- 
2.30.2