extern struct nilfs_super_block *
nilfs_read_super_block(struct super_block *, u64, int, struct buffer_head **);
-extern int nilfs_store_magic_and_option(struct super_block *,
- struct nilfs_super_block *, char *);
+extern int nilfs_store_magic(struct super_block *sb,
+ struct nilfs_super_block *sbp);
extern int nilfs_check_feature_compatibility(struct super_block *,
struct nilfs_super_block *);
extern void nilfs_set_log_cursor(struct nilfs_super_block *,