On 10/15/21 8:26AM, Christoph Hellwig wrote:
Use the sb_bdev_nr_blocks helper instead of open coding it.
Signed-off-by: Christoph Hellwig <hch@xxxxxx>
Reviewed-by: Kees Cook <keescook@xxxxxxxxxxxx>
Acked-by: Dave Kleikamp <dave.kleikamp@xxxxxxxxxx>
---
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;
--
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