/* returns 1 if the end block is EXT3_RESERVE_WINDOW_NOT_ALLOCATED.  */
static int rsv_is_empty(struct ext3_reserve_window *rsv)
/* returns 1 if the end block is EXT3_RESERVE_WINDOW_NOT_ALLOCATED.  */
static int rsv_is_empty(struct ext3_reserve_window *rsv)
{
	return rsv->_rsv_end == EXT3_RESERVE_WINDOW_NOT_ALLOCATED;
}