int ll_prepare_write(struct file *, struct page *, unsigned from, unsigned to);
int ll_commit_write(struct file *, struct page *, unsigned from, unsigned to);
int ll_writepage(struct page *page, struct writeback_control *wbc);
+int ll_writepages(struct address_space *, struct writeback_control *wbc);
void ll_removepage(struct page *page);
int ll_readpage(struct file *file, struct page *page);
void ll_readahead_init(struct inode *inode, struct ll_readahead_state *ras);
struct obd_capa *cl_capa_lookup(struct inode *inode, enum cl_req_type crt);
-int cl_sync_file_range(struct inode *inode, loff_t start, loff_t end);
+int cl_sync_file_range(struct inode *inode, loff_t start, loff_t end,
+ enum cl_fsync_mode mode);
/** direct write pages */
struct ll_dio_pages {