diff --git a/fs/hfsplus/wrapper.c b/fs/hfsplus/wrapper.c
index 0350dc7821bf..51ae6f1eb4a5 100644
--- a/fs/hfsplus/wrapper.c
+++ b/fs/hfsplus/wrapper.c
@@ -131,7 +131,7 @@ static int hfsplus_get_last_session(struct super_block *sb,
 
 	/* default values */
 	*start = 0;
-	*size = i_size_read(sb->s_bdev->bd_inode) >> 9;
+	*size = bdev_nr_sectors(sb->s_bdev);
 
 	if (HFSPLUS_SB(sb)->session >= 0) {
 		struct cdrom_tocentry te;