diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h
index 736972f..9c7f403 100644
--- a/fs/ext4/ext4.h
+++ b/fs/ext4/ext4.h
@@ -3191,6 +3191,8 @@ static inline void ext4_set_de_type(struct super_block *sb,
 extern int ext4_mpage_readpages(struct address_space *mapping,
 				struct list_head *pages, struct page *page,
 				unsigned nr_pages, bool is_readahead);
+extern int __init ext4_init_post_read_processing(void);
+extern void ext4_exit_post_read_processing(void);
 
 /* symlink.c */
 extern const struct inode_operations ext4_encrypted_symlink_inode_operations;