610a611,626
> /*
> 	if (old_file->f_op && old_file->f_op->flush) {
> 		error = old_file->f_op->flush(old_file);
> 		if (error)
> 			goto out_putf;
> 	}
> */
> 	error = sync_page_range(old_file->f_dentry->d_inode,
> 		old_file->f_dentry->d_inode->i_mapping, 0,
> 		i_size_read(old_file->f_dentry->d_inode));
> 	if (error) {
> 		char b[BDEVNAME_SIZE];
> 		printk(KERN_WARNING "Failed to sync all pages for old backing "
> 			"file of loop device %s.\n", bdevname(bdev,b));
> 	}
> 
785a802
> 	int err;
803a821,829
> 	err = sync_page_range(filp->f_dentry->d_inode,
> 		filp->f_dentry->d_inode->i_mapping, 0,
> 		i_size_read(filp->f_dentry->d_inode));
> 	if (err) {
> 		char b[BDEVNAME_SIZE];
> 		printk(KERN_WARNING "Failed to sync all pages for old backing "
> 			"file of loop device %s.\n", bdevname(bdev,b));
> 	}
> 
822a849,854
> 
> /*
> 	if (filp->f_op && filp->f_op->flush)
> 		filp->f_op->flush(filp);
> */
>