static void fuse_writepage_finish(struct fuse_mount *fm,
				  struct fuse_writepage_args *wpa)
{
	struct fuse_args_pages *ap = &wpa->ia.ap;
	struct inode *inode = wpa->inode;
	struct fuse_inode *fi = get_fuse_inode(inode);
	struct backing_dev_info *bdi = inode_to_bdi(inode);
	int i;

	for (i = 0; i < ap->num_pages; i++) {
		dec_wb_stat(&bdi->wb, WB_WRITEBACK);
		dec_node_page_state(ap->pages[i], NR_WRITEBACK_TEMP);
		wb_writeout_inc(&bdi->wb);
	}
	wake_up(&fi->page_waitq);
}
static void fuse_writepage_finish(struct fuse_mount *fm,
				  struct fuse_writepage_args *wpa)
{
	struct fuse_args_pages *ap = &wpa->ia.ap;
	struct inode *inode = wpa->inode;
	struct fuse_inode *fi = get_fuse_inode(inode);
	struct backing_dev_info *bdi = inode_to_bdi(inode);
	int i;

	for (i = 0; i < ap->num_pages; i++) {
		dec_wb_stat(&bdi->wb, WB_WRITEBACK);
		dec_node_page_state(ap->pages[i], NR_WRITEBACK_TEMP);
		wb_writeout_inc(&bdi->wb);
	}
	wake_up(&fi->page_waitq);
}