# \[PATCH 28/29\] reiserfs: use sb\_bdev\_nr\_blocks

- From: Christoph Hellwig \<hch@lst.de\>
- Date: 2021-10-13 05:51:10 
- List: linux-btrfs
- Page: https://ratatoskr.run/linux-btrfs/2021/10/215849
- Thread: https://ratatoskr.run/linux-block/2021/10/215820/t.md

```text
Use the sb_bdev_nr_blocks helper instead of open coding it.

Signed-off-by: Christoph Hellwig <hch@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

```