diff options
| author | Christoph Hellwig <hch@lst.de> | 2021-10-18 12:11:28 +0200 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2021-10-18 14:43:23 -0600 |
| commit | ab70041731a6c2f153120e47746fb303aa6f237a (patch) | |
| tree | cb546cfe9303d6fb8540969c2d63967e777594a5 /fs/ntfs | |
| parent | dd0c0bdf97a44c2e2b5541e9febde0643a9d0dbf (diff) | |
ntfs: use sb_bdev_nr_blocks
Use the sb_bdev_nr_blocks helper instead of open coding it and clean up
ntfs_fill_super a bit by moving an assignment a little earlier that has
no negative side effects.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Kees Cook <keescook@chromium.org>
Acked-by: Anton Altaparmakov <anton@tuxera.com>
Link: https://lore.kernel.org/r/20211018101130.1838532-29-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'fs/ntfs')
| -rw-r--r-- | fs/ntfs/super.c | 8 |
1 files changed, 3 insertions, 5 deletions
diff --git a/fs/ntfs/super.c b/fs/ntfs/super.c index 0d7e948cb29c..5ae8de09b271 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); |