-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);
+extern int nfs_scan_list(struct nfs_inode *nfsi, struct list_head *dst,
+ pgoff_t idx_start, unsigned int npages, int tag);