Use the sb_bdev_nr_blocks helper instead of open coding it.

Signed-off-by: Christoph Hellwig <h...@lst.de>
---
 fs/reiserfs/super.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/fs/reiserfs/super.c b/fs/reiserfs/super.c
index 6c9681e2809f0..b12baadb7e9bb 100644
--- a/fs/reiserfs/super.c
+++ b/fs/reiserfs/super.c
@@ -1199,9 +1199,7 @@ static int reiserfs_parse_options(struct super_block *s,
 
                        if (!strcmp(arg, "auto")) {
                                /* From JFS code, to auto-get the size. */
-                               *blocks =
-                                   i_size_read(s->s_bdev->bd_inode) >> s->
-                                   s_blocksize_bits;
+                               *blocks = sb_bdev_nr_blocks(s);
                        } else {
                                *blocks = simple_strtoul(arg, &p, 0);
                                if (*p != '\0') {
-- 
2.30.2

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