[PATCH] block: add a loff_t cast to bdev_nr_bytes

[Christoph Hellwig <hch@xxxxxx>]

Not really needed as both loff_t and sector_t are always 64-bits wide,
but this documents the different types a bit better.

Signed-off-by: Christoph Hellwig <hch@xxxxxx>
---
 include/linux/genhd.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/linux/genhd.h b/include/linux/genhd.h
index 59eabbc3a36b7..462634b4b48fb 100644
--- a/include/linux/genhd.h
+++ b/include/linux/genhd.h
@@ -250,7 +250,7 @@ static inline sector_t bdev_nr_sectors(struct block_device *bdev)
 
 static inline loff_t bdev_nr_bytes(struct block_device *bdev)
 {
-	return bdev_nr_sectors(bdev) << SECTOR_SHIFT;
+	return (loff_t)bdev_nr_sectors(bdev) << SECTOR_SHIFT;
 }
 
 static inline sector_t get_capacity(struct gendisk *disk)
-- 
2.30.2