3469 	struct btrfs_free_cluster *last_ptr;  member
3534 	struct btrfs_free_cluster *last_ptr = ffe_ctl->last_ptr;  in find_free_extent_clustered()  local
3539 	cluster_bg = btrfs_lock_cluster(bg, last_ptr, ffe_ctl->delalloc);  in find_free_extent_clustered()
3546 	offset = btrfs_alloc_from_cluster(cluster_bg, last_ptr,  in find_free_extent_clustered()
3551 		spin_unlock(&last_ptr->refill_lock);  in find_free_extent_clustered()
3558 	WARN_ON(last_ptr->block_group != cluster_bg);  in find_free_extent_clustered()
3573 		spin_unlock(&last_ptr->refill_lock);  in find_free_extent_clustered()
3579 	btrfs_return_cluster_to_free_space(NULL, last_ptr);  in find_free_extent_clustered()
3586 		spin_unlock(&last_ptr->refill_lock);  in find_free_extent_clustered()
3593 	ret = btrfs_find_space_cluster(bg, last_ptr, ffe_ctl->search_start,  in find_free_extent_clustered()
3597 		offset = btrfs_alloc_from_cluster(bg, last_ptr,  in find_free_extent_clustered()
3602 			spin_unlock(&last_ptr->refill_lock);  in find_free_extent_clustered()
3611 		spin_unlock(&last_ptr->refill_lock);  in find_free_extent_clustered()
3623 	btrfs_return_cluster_to_free_space(NULL, last_ptr);  in find_free_extent_clustered()
3624 	spin_unlock(&last_ptr->refill_lock);  in find_free_extent_clustered()
3636 	struct btrfs_free_cluster *last_ptr = ffe_ctl->last_ptr;  in find_free_extent_unclustered()  local
3644 	if (unlikely(last_ptr)) {  in find_free_extent_unclustered()
3645 		spin_lock(&last_ptr->lock);  in find_free_extent_unclustered()
3646 		last_ptr->fragmented = 1;  in find_free_extent_unclustered()
3647 		spin_unlock(&last_ptr->lock);  in find_free_extent_unclustered()
3699 	if (ffe_ctl->last_ptr && ffe_ctl->use_cluster) {  in do_allocation_clustered()
3935 	struct btrfs_free_cluster *last_ptr = ffe_ctl->last_ptr;  in found_extent_clustered()  local
3937 	if (!ffe_ctl->use_cluster && last_ptr) {  in found_extent_clustered()
3938 		spin_lock(&last_ptr->lock);  in found_extent_clustered()
3939 		last_ptr->window_start = ins->objectid;  in found_extent_clustered()
3940 		spin_unlock(&last_ptr->lock);  in found_extent_clustered()
4175 	ffe_ctl->last_ptr = fetch_cluster_info(fs_info, space_info,  in prepare_allocation_clustered()
4177 	if (ffe_ctl->last_ptr) {  in prepare_allocation_clustered()
4178 		struct btrfs_free_cluster *last_ptr = ffe_ctl->last_ptr;  in prepare_allocation_clustered()  local
4180 		spin_lock(&last_ptr->lock);  in prepare_allocation_clustered()
4181 		if (last_ptr->block_group)  in prepare_allocation_clustered()
4182 			ffe_ctl->hint_byte = last_ptr->window_start;  in prepare_allocation_clustered()
4183 		if (last_ptr->fragmented) {  in prepare_allocation_clustered()
4189 			ffe_ctl->hint_byte = last_ptr->window_start;  in prepare_allocation_clustered()
4192 		spin_unlock(&last_ptr->lock);  in prepare_allocation_clustered()
4267 	ffe_ctl->last_ptr = NULL;  in find_free_extent()