57 		atomic_read(&trans->transaction->delayed_refs.num_entries);  in btrfs_should_throttle_delayed_refs()
418 int btrfs_delayed_ref_lock(struct btrfs_delayed_ref_root *delayed_refs,  in btrfs_delayed_ref_lock()  argument
421 	lockdep_assert_held(&delayed_refs->lock);  in btrfs_delayed_ref_lock()
426 	spin_unlock(&delayed_refs->lock);  in btrfs_delayed_ref_lock()
429 	spin_lock(&delayed_refs->lock);  in btrfs_delayed_ref_lock()
440 				    struct btrfs_delayed_ref_root *delayed_refs,  in drop_delayed_ref()  argument
451 	atomic_dec(&delayed_refs->num_entries);  in drop_delayed_ref()
455 		      struct btrfs_delayed_ref_root *delayed_refs,  in merge_ref()  argument
484 		drop_delayed_ref(trans, delayed_refs, head, next);  in merge_ref()
487 			drop_delayed_ref(trans, delayed_refs, head, ref);  in merge_ref()
502 			      struct btrfs_delayed_ref_root *delayed_refs,  in btrfs_merge_delayed_refs()  argument
526 		if (merge_ref(trans, delayed_refs, head, ref, seq))  in btrfs_merge_delayed_refs()
547 		struct btrfs_delayed_ref_root *delayed_refs)  in btrfs_select_ref_head()  argument
552 	head = find_ref_head(delayed_refs, delayed_refs->run_delayed_start,  in btrfs_select_ref_head()
554 	if (!head && delayed_refs->run_delayed_start != 0) {  in btrfs_select_ref_head()
555 		delayed_refs->run_delayed_start = 0;  in btrfs_select_ref_head()
556 		head = find_first_ref_head(delayed_refs);  in btrfs_select_ref_head()
566 			if (delayed_refs->run_delayed_start == 0)  in btrfs_select_ref_head()
568 			delayed_refs->run_delayed_start = 0;  in btrfs_select_ref_head()
576 	WARN_ON(delayed_refs->num_heads_ready == 0);  in btrfs_select_ref_head()
577 	delayed_refs->num_heads_ready--;  in btrfs_select_ref_head()
578 	delayed_refs->run_delayed_start = head->bytenr +  in btrfs_select_ref_head()
583 void btrfs_delete_ref_head(struct btrfs_delayed_ref_root *delayed_refs,  in btrfs_delete_ref_head()  argument
586 	lockdep_assert_held(&delayed_refs->lock);  in btrfs_delete_ref_head()
589 	rb_erase_cached(&head->href_node, &delayed_refs->href_root);  in btrfs_delete_ref_head()
591 	atomic_dec(&delayed_refs->num_entries);  in btrfs_delete_ref_head()
592 	delayed_refs->num_heads--;  in btrfs_delete_ref_head()
594 		delayed_refs->num_heads_ready--;  in btrfs_delete_ref_head()
662 	struct btrfs_delayed_ref_root *delayed_refs =  in update_existing_head_ref()  local
663 		&trans->transaction->delayed_refs;  in update_existing_head_ref()
725 			delayed_refs->pending_csums -= existing->num_bytes;  in update_existing_head_ref()
729 			delayed_refs->pending_csums += existing->num_bytes;  in update_existing_head_ref()
811 	struct btrfs_delayed_ref_root *delayed_refs;  in add_delayed_ref_head()  local
814 	delayed_refs = &trans->transaction->delayed_refs;  in add_delayed_ref_head()
819 					delayed_refs, qrecord))  in add_delayed_ref_head()
827 	existing = htree_insert(&delayed_refs->href_root,  in add_delayed_ref_head()
839 			delayed_refs->pending_csums += head_ref->num_bytes;  in add_delayed_ref_head()
844 		delayed_refs->num_heads++;  in add_delayed_ref_head()
845 		delayed_refs->num_heads_ready++;  in add_delayed_ref_head()
846 		atomic_inc(&delayed_refs->num_entries);  in add_delayed_ref_head()
918 	struct btrfs_delayed_ref_root *delayed_refs;  in btrfs_add_delayed_tree_ref()  local
970 	delayed_refs = &trans->transaction->delayed_refs;  in btrfs_add_delayed_tree_ref()
971 	spin_lock(&delayed_refs->lock);  in btrfs_add_delayed_tree_ref()
980 	ret = insert_delayed_ref(trans, delayed_refs, head_ref, &ref->node);  in btrfs_add_delayed_tree_ref()
981 	spin_unlock(&delayed_refs->lock);  in btrfs_add_delayed_tree_ref()
1011 	struct btrfs_delayed_ref_root *delayed_refs;  in btrfs_add_delayed_data_ref()  local
1062 	delayed_refs = &trans->transaction->delayed_refs;  in btrfs_add_delayed_data_ref()
1063 	spin_lock(&delayed_refs->lock);  in btrfs_add_delayed_data_ref()
1072 	ret = insert_delayed_ref(trans, delayed_refs, head_ref, &ref->node);  in btrfs_add_delayed_data_ref()
1073 	spin_unlock(&delayed_refs->lock);  in btrfs_add_delayed_data_ref()
1098 	struct btrfs_delayed_ref_root *delayed_refs;  in btrfs_add_delayed_extent_op()  local
1108 	delayed_refs = &trans->transaction->delayed_refs;  in btrfs_add_delayed_extent_op()
1109 	spin_lock(&delayed_refs->lock);  in btrfs_add_delayed_extent_op()
1114 	spin_unlock(&delayed_refs->lock);  in btrfs_add_delayed_extent_op()
1129 btrfs_find_delayed_ref_head(struct btrfs_delayed_ref_root *delayed_refs, u64 bytenr)  in btrfs_find_delayed_ref_head()  argument
1131 	lockdep_assert_held(&delayed_refs->lock);  in btrfs_find_delayed_ref_head()
1133 	return find_ref_head(delayed_refs, bytenr, false);  in btrfs_find_delayed_ref_head()