Use the sb_bdev_nr_blocks helper instead of open coding it.

Signed-off-by: Christoph Hellwig <h...@lst.de>
Reviewed-by: Kees Cook <keesc...@chromium.org>
Acked-by: Dave Kleikamp <dave.kleik...@oracle.com>
---
 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

--
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