-extern int nfs_scan_lock_dirty(struct nfs_inode *nfsi, struct list_head *dst,
- unsigned long idx_start, unsigned int npages);
-extern int nfs_scan_list(struct list_head *, struct list_head *,
- unsigned long, unsigned int);
+extern long nfs_scan_dirty(struct address_space *mapping,
+ struct writeback_control *wbc,
+ struct list_head *dst);
+extern int nfs_scan_list(struct nfs_inode *nfsi, struct list_head *head, struct list_head *dst,
+ unsigned long idx_start, unsigned int npages);