sbi->s_rsv_window_head.rsv_end = EXT3_RESERVE_WINDOW_NOT_ALLOCATED;
atomic_set(&sbi->s_rsv_window_head.rsv_alloc_hit, 0);
atomic_set(&sbi->s_rsv_window_head.rsv_goal_size, 0);
sbi->s_rsv_window_head.rsv_end = EXT3_RESERVE_WINDOW_NOT_ALLOCATED;
atomic_set(&sbi->s_rsv_window_head.rsv_alloc_hit, 0);
atomic_set(&sbi->s_rsv_window_head.rsv_goal_size, 0);