3490 	struct btrfs_free_cluster *last_ptr;  member
3549 	struct btrfs_free_cluster *last_ptr = ffe_ctl->last_ptr;  in find_free_extent_clustered()  local
3554 	cluster_bg = btrfs_lock_cluster(bg, last_ptr, ffe_ctl->delalloc);  in find_free_extent_clustered()
3561 	offset = btrfs_alloc_from_cluster(cluster_bg, last_ptr,  in find_free_extent_clustered()
3566 		spin_unlock(&last_ptr->refill_lock);  in find_free_extent_clustered()
3573 	WARN_ON(last_ptr->block_group != cluster_bg);  in find_free_extent_clustered()
3588 		spin_unlock(&last_ptr->refill_lock);  in find_free_extent_clustered()
3594 	btrfs_return_cluster_to_free_space(NULL, last_ptr);  in find_free_extent_clustered()
3601 		spin_unlock(&last_ptr->refill_lock);  in find_free_extent_clustered()
3608 	ret = btrfs_find_space_cluster(bg, last_ptr, ffe_ctl->search_start,  in find_free_extent_clustered()
3612 		offset = btrfs_alloc_from_cluster(bg, last_ptr,  in find_free_extent_clustered()
3617 			spin_unlock(&last_ptr->refill_lock);  in find_free_extent_clustered()
3626 		spin_unlock(&last_ptr->refill_lock);  in find_free_extent_clustered()
3638 	btrfs_return_cluster_to_free_space(NULL, last_ptr);  in find_free_extent_clustered()
3639 	spin_unlock(&last_ptr->refill_lock);  in find_free_extent_clustered()
3651 	struct btrfs_free_cluster *last_ptr = ffe_ctl->last_ptr;  in find_free_extent_unclustered()  local
3659 	if (unlikely(last_ptr)) {  in find_free_extent_unclustered()
3660 		spin_lock(&last_ptr->lock);  in find_free_extent_unclustered()
3661 		last_ptr->fragmented = 1;  in find_free_extent_unclustered()
3662 		spin_unlock(&last_ptr->lock);  in find_free_extent_unclustered()
3714 	if (ffe_ctl->last_ptr && ffe_ctl->use_cluster) {  in do_allocation_clustered()
3757 	struct btrfs_free_cluster *last_ptr = ffe_ctl->last_ptr;  in found_extent_clustered()  local
3759 	if (!ffe_ctl->use_cluster && last_ptr) {  in found_extent_clustered()
3760 		spin_lock(&last_ptr->lock);  in found_extent_clustered()
3761 		last_ptr->window_start = ins->objectid;  in found_extent_clustered()
3762 		spin_unlock(&last_ptr->lock);  in found_extent_clustered()
3924 	ffe_ctl->last_ptr = fetch_cluster_info(fs_info, space_info,  in prepare_allocation_clustered()
3926 	if (ffe_ctl->last_ptr) {  in prepare_allocation_clustered()
3927 		struct btrfs_free_cluster *last_ptr = ffe_ctl->last_ptr;  in prepare_allocation_clustered()  local
3929 		spin_lock(&last_ptr->lock);  in prepare_allocation_clustered()
3930 		if (last_ptr->block_group)  in prepare_allocation_clustered()
3931 			ffe_ctl->hint_byte = last_ptr->window_start;  in prepare_allocation_clustered()
3932 		if (last_ptr->fragmented) {  in prepare_allocation_clustered()
3938 			ffe_ctl->hint_byte = last_ptr->window_start;  in prepare_allocation_clustered()
3941 		spin_unlock(&last_ptr->lock);  in prepare_allocation_clustered()
4016 	ffe_ctl.last_ptr = NULL;  in find_free_extent()