3576 	struct btrfs_free_cluster *last_ptr;  member
3635 	struct btrfs_free_cluster *last_ptr = ffe_ctl->last_ptr;  in find_free_extent_clustered()  local
3640 	cluster_bg = btrfs_lock_cluster(bg, last_ptr, ffe_ctl->delalloc);  in find_free_extent_clustered()
3647 	offset = btrfs_alloc_from_cluster(cluster_bg, last_ptr,  in find_free_extent_clustered()
3652 		spin_unlock(&last_ptr->refill_lock);  in find_free_extent_clustered()
3659 	WARN_ON(last_ptr->block_group != cluster_bg);  in find_free_extent_clustered()
3674 		spin_unlock(&last_ptr->refill_lock);  in find_free_extent_clustered()
3680 	btrfs_return_cluster_to_free_space(NULL, last_ptr);  in find_free_extent_clustered()
3687 		spin_unlock(&last_ptr->refill_lock);  in find_free_extent_clustered()
3694 	ret = btrfs_find_space_cluster(bg, last_ptr, ffe_ctl->search_start,  in find_free_extent_clustered()
3698 		offset = btrfs_alloc_from_cluster(bg, last_ptr,  in find_free_extent_clustered()
3703 			spin_unlock(&last_ptr->refill_lock);  in find_free_extent_clustered()
3712 		spin_unlock(&last_ptr->refill_lock);  in find_free_extent_clustered()
3724 	btrfs_return_cluster_to_free_space(NULL, last_ptr);  in find_free_extent_clustered()
3725 	spin_unlock(&last_ptr->refill_lock);  in find_free_extent_clustered()
3737 	struct btrfs_free_cluster *last_ptr = ffe_ctl->last_ptr;  in find_free_extent_unclustered()  local
3745 	if (unlikely(last_ptr)) {  in find_free_extent_unclustered()
3746 		spin_lock(&last_ptr->lock);  in find_free_extent_unclustered()
3747 		last_ptr->fragmented = 1;  in find_free_extent_unclustered()
3748 		spin_unlock(&last_ptr->lock);  in find_free_extent_unclustered()
3800 	if (ffe_ctl->last_ptr && ffe_ctl->use_cluster) {  in do_allocation_clustered()
3843 	struct btrfs_free_cluster *last_ptr = ffe_ctl->last_ptr;  in found_extent_clustered()  local
3845 	if (!ffe_ctl->use_cluster && last_ptr) {  in found_extent_clustered()
3846 		spin_lock(&last_ptr->lock);  in found_extent_clustered()
3847 		last_ptr->window_start = ins->objectid;  in found_extent_clustered()
3848 		spin_unlock(&last_ptr->lock);  in found_extent_clustered()
4010 	ffe_ctl->last_ptr = fetch_cluster_info(fs_info, space_info,  in prepare_allocation_clustered()
4012 	if (ffe_ctl->last_ptr) {  in prepare_allocation_clustered()
4013 		struct btrfs_free_cluster *last_ptr = ffe_ctl->last_ptr;  in prepare_allocation_clustered()  local
4015 		spin_lock(&last_ptr->lock);  in prepare_allocation_clustered()
4016 		if (last_ptr->block_group)  in prepare_allocation_clustered()
4017 			ffe_ctl->hint_byte = last_ptr->window_start;  in prepare_allocation_clustered()
4018 		if (last_ptr->fragmented) {  in prepare_allocation_clustered()
4024 			ffe_ctl->hint_byte = last_ptr->window_start;  in prepare_allocation_clustered()
4027 		spin_unlock(&last_ptr->lock);  in prepare_allocation_clustered()
4102 	ffe_ctl.last_ptr = NULL;  in find_free_extent()