[PATCH 20/29] pstore/blk: use bdev_nr_sectors instead of open coding it

Christoph Hellwig
2021-10-13T07:04:59Z

Use the proper helper to read the block device size.

Signed-off-by: Christoph Hellwig <hch@lst.de>
---
fs/pstore/blk.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/fs/pstore/blk.c b/fs/pstore/blk.c
index 04ce58c939a0b..f43009cb2ec82 100644
--- a/fs/pstore/blk.c
+++ b/fs/pstore/blk.c
@@ -223,8 +223,8 @@ static int __register_pstore_blk(struct pstore_device_info *dev,
goto err_fput;
}

- inode = I_BDEV(psblk_file->f_mapping->host)->bd_inode;
- dev->zone.total_size = i_size_read(inode);
+ inode = psblk_file->f_mapping->host;
+ dev->zone.total_size = bdev_nr_sectors(I_BDEV(inode)) << SECTOR_SHIFT;

ret = __register_pstore_device(dev);
if (ret)
--
2.30.2