240 	struct btrfs_delayed_ref_root *delayed_refs;  in btrfs_delayed_ref_lock()  local
242 	delayed_refs = &trans->transaction->delayed_refs;  in btrfs_delayed_ref_lock()
243 	assert_spin_locked(&delayed_refs->lock);  in btrfs_delayed_ref_lock()
248 	spin_unlock(&delayed_refs->lock);  in btrfs_delayed_ref_lock()
251 	spin_lock(&delayed_refs->lock);  in btrfs_delayed_ref_lock()
262 				    struct btrfs_delayed_ref_root *delayed_refs,  in drop_delayed_ref()  argument
268 		rb_erase(&head->href_node, &delayed_refs->href_root);  in drop_delayed_ref()
275 	atomic_dec(&delayed_refs->num_entries);  in drop_delayed_ref()
281 		     struct btrfs_delayed_ref_root *delayed_refs,  in merge_ref()  argument
314 		drop_delayed_ref(trans, delayed_refs, head, next);  in merge_ref()
317 			drop_delayed_ref(trans, delayed_refs, head, ref);  in merge_ref()
333 			      struct btrfs_delayed_ref_root *delayed_refs,  in btrfs_merge_delayed_refs()  argument
366 		if (merge_ref(trans, delayed_refs, head, ref, seq))  in btrfs_merge_delayed_refs()
374 			    struct btrfs_delayed_ref_root *delayed_refs,  in btrfs_check_delayed_seq()  argument
388 				 delayed_refs);  in btrfs_check_delayed_seq()
400 	struct btrfs_delayed_ref_root *delayed_refs;  in btrfs_select_ref_head()  local
405 	delayed_refs = &trans->transaction->delayed_refs;  in btrfs_select_ref_head()
408 	start = delayed_refs->run_delayed_start;  in btrfs_select_ref_head()
409 	head = find_ref_head(&delayed_refs->href_root, start, 1);  in btrfs_select_ref_head()
411 		delayed_refs->run_delayed_start = 0;  in btrfs_select_ref_head()
414 		head = find_ref_head(&delayed_refs->href_root, start, 1);  in btrfs_select_ref_head()
428 			delayed_refs->run_delayed_start = 0;  in btrfs_select_ref_head()
438 	WARN_ON(delayed_refs->num_heads_ready == 0);  in btrfs_select_ref_head()
439 	delayed_refs->num_heads_ready--;  in btrfs_select_ref_head()
440 	delayed_refs->run_delayed_start = head->node.bytenr +  in btrfs_select_ref_head()
455 		    struct btrfs_delayed_ref_root *delayed_refs,  in update_existing_ref()  argument
469 			drop_delayed_ref(trans, delayed_refs, head, existing);  in update_existing_ref()
492 update_existing_head_ref(struct btrfs_delayed_ref_root *delayed_refs,  in update_existing_head_ref()  argument
556 			delayed_refs->pending_csums -= existing->num_bytes;  in update_existing_head_ref()
558 			delayed_refs->pending_csums += existing->num_bytes;  in update_existing_head_ref()
576 	struct btrfs_delayed_ref_root *delayed_refs;  in add_delayed_ref_head()  local
605 	delayed_refs = &trans->transaction->delayed_refs;  in add_delayed_ref_head()
630 	existing = htree_insert(&delayed_refs->href_root,  in add_delayed_ref_head()
633 		update_existing_head_ref(delayed_refs, &existing->node, ref);  in add_delayed_ref_head()
642 			delayed_refs->pending_csums += num_bytes;  in add_delayed_ref_head()
643 		delayed_refs->num_heads++;  in add_delayed_ref_head()
644 		delayed_refs->num_heads_ready++;  in add_delayed_ref_head()
645 		atomic_inc(&delayed_refs->num_entries);  in add_delayed_ref_head()
664 	struct btrfs_delayed_ref_root *delayed_refs;  in add_delayed_tree_ref()  local
672 	delayed_refs = &trans->transaction->delayed_refs;  in add_delayed_tree_ref()
699 		update_existing_ref(trans, delayed_refs, head_ref, existing,  in add_delayed_tree_ref()
707 		atomic_inc(&delayed_refs->num_entries);  in add_delayed_tree_ref()
726 	struct btrfs_delayed_ref_root *delayed_refs;  in add_delayed_data_ref()  local
732 	delayed_refs = &trans->transaction->delayed_refs;  in add_delayed_data_ref()
764 		update_existing_ref(trans, delayed_refs, head_ref, existing,  in add_delayed_data_ref()
772 		atomic_inc(&delayed_refs->num_entries);  in add_delayed_data_ref()
792 	struct btrfs_delayed_ref_root *delayed_refs;  in btrfs_add_delayed_tree_ref()  local
810 	delayed_refs = &trans->transaction->delayed_refs;  in btrfs_add_delayed_tree_ref()
811 	spin_lock(&delayed_refs->lock);  in btrfs_add_delayed_tree_ref()
823 	spin_unlock(&delayed_refs->lock);  in btrfs_add_delayed_tree_ref()
841 	struct btrfs_delayed_ref_root *delayed_refs;  in btrfs_add_delayed_data_ref()  local
859 	delayed_refs = &trans->transaction->delayed_refs;  in btrfs_add_delayed_data_ref()
860 	spin_lock(&delayed_refs->lock);  in btrfs_add_delayed_data_ref()
872 	spin_unlock(&delayed_refs->lock);  in btrfs_add_delayed_data_ref()
883 	struct btrfs_delayed_ref_root *delayed_refs;  in btrfs_add_delayed_extent_op()  local
891 	delayed_refs = &trans->transaction->delayed_refs;  in btrfs_add_delayed_extent_op()
892 	spin_lock(&delayed_refs->lock);  in btrfs_add_delayed_extent_op()
898 	spin_unlock(&delayed_refs->lock);  in btrfs_add_delayed_extent_op()
910 	struct btrfs_delayed_ref_root *delayed_refs;  in btrfs_find_delayed_ref_head()  local
912 	delayed_refs = &trans->transaction->delayed_refs;  in btrfs_find_delayed_ref_head()
913 	return find_ref_head(&delayed_refs->href_root, bytenr, 0);  in btrfs_find_delayed_ref_head()