56 		atomic_read(&trans->transaction->delayed_refs.num_entries);  in btrfs_should_throttle_delayed_refs()
393 int btrfs_delayed_ref_lock(struct btrfs_delayed_ref_root *delayed_refs,  in btrfs_delayed_ref_lock()  argument
396 	lockdep_assert_held(&delayed_refs->lock);  in btrfs_delayed_ref_lock()
401 	spin_unlock(&delayed_refs->lock);  in btrfs_delayed_ref_lock()
404 	spin_lock(&delayed_refs->lock);  in btrfs_delayed_ref_lock()
415 				    struct btrfs_delayed_ref_root *delayed_refs,  in drop_delayed_ref()  argument
426 	atomic_dec(&delayed_refs->num_entries);  in drop_delayed_ref()
430 		      struct btrfs_delayed_ref_root *delayed_refs,  in merge_ref()  argument
459 		drop_delayed_ref(trans, delayed_refs, head, next);  in merge_ref()
462 			drop_delayed_ref(trans, delayed_refs, head, ref);  in merge_ref()
477 			      struct btrfs_delayed_ref_root *delayed_refs,  in btrfs_merge_delayed_refs()  argument
510 		if (merge_ref(trans, delayed_refs, head, ref, seq))  in btrfs_merge_delayed_refs()
538 		struct btrfs_delayed_ref_root *delayed_refs)  in btrfs_select_ref_head()  argument
543 	head = find_ref_head(delayed_refs, delayed_refs->run_delayed_start,  in btrfs_select_ref_head()
545 	if (!head && delayed_refs->run_delayed_start != 0) {  in btrfs_select_ref_head()
546 		delayed_refs->run_delayed_start = 0;  in btrfs_select_ref_head()
547 		head = find_first_ref_head(delayed_refs);  in btrfs_select_ref_head()
557 			if (delayed_refs->run_delayed_start == 0)  in btrfs_select_ref_head()
559 			delayed_refs->run_delayed_start = 0;  in btrfs_select_ref_head()
567 	WARN_ON(delayed_refs->num_heads_ready == 0);  in btrfs_select_ref_head()
568 	delayed_refs->num_heads_ready--;  in btrfs_select_ref_head()
569 	delayed_refs->run_delayed_start = head->bytenr +  in btrfs_select_ref_head()
574 void btrfs_delete_ref_head(struct btrfs_delayed_ref_root *delayed_refs,  in btrfs_delete_ref_head()  argument
577 	lockdep_assert_held(&delayed_refs->lock);  in btrfs_delete_ref_head()
580 	rb_erase_cached(&head->href_node, &delayed_refs->href_root);  in btrfs_delete_ref_head()
582 	atomic_dec(&delayed_refs->num_entries);  in btrfs_delete_ref_head()
583 	delayed_refs->num_heads--;  in btrfs_delete_ref_head()
585 		delayed_refs->num_heads_ready--;  in btrfs_delete_ref_head()
653 	struct btrfs_delayed_ref_root *delayed_refs =  in update_existing_head_ref()  local
654 		&trans->transaction->delayed_refs;  in update_existing_head_ref()
717 			delayed_refs->pending_csums -= existing->num_bytes;  in update_existing_head_ref()
721 			delayed_refs->pending_csums += existing->num_bytes;  in update_existing_head_ref()
823 	struct btrfs_delayed_ref_root *delayed_refs;  in add_delayed_ref_head()  local
826 	delayed_refs = &trans->transaction->delayed_refs;  in add_delayed_ref_head()
831 					delayed_refs, qrecord))  in add_delayed_ref_head()
839 	existing = htree_insert(&delayed_refs->href_root,  in add_delayed_ref_head()
853 			delayed_refs->pending_csums += head_ref->num_bytes;  in add_delayed_ref_head()
861 		delayed_refs->num_heads++;  in add_delayed_ref_head()
862 		delayed_refs->num_heads_ready++;  in add_delayed_ref_head()
863 		atomic_inc(&delayed_refs->num_entries);  in add_delayed_ref_head()
935 	struct btrfs_delayed_ref_root *delayed_refs;  in btrfs_add_delayed_tree_ref()  local
989 	delayed_refs = &trans->transaction->delayed_refs;  in btrfs_add_delayed_tree_ref()
990 	spin_lock(&delayed_refs->lock);  in btrfs_add_delayed_tree_ref()
999 	ret = insert_delayed_ref(trans, delayed_refs, head_ref, &ref->node);  in btrfs_add_delayed_tree_ref()
1000 	spin_unlock(&delayed_refs->lock);  in btrfs_add_delayed_tree_ref()
1030 	struct btrfs_delayed_ref_root *delayed_refs;  in btrfs_add_delayed_data_ref()  local
1083 	delayed_refs = &trans->transaction->delayed_refs;  in btrfs_add_delayed_data_ref()
1084 	spin_lock(&delayed_refs->lock);  in btrfs_add_delayed_data_ref()
1093 	ret = insert_delayed_ref(trans, delayed_refs, head_ref, &ref->node);  in btrfs_add_delayed_data_ref()
1094 	spin_unlock(&delayed_refs->lock);  in btrfs_add_delayed_data_ref()
1119 	struct btrfs_delayed_ref_root *delayed_refs;  in btrfs_add_delayed_extent_op()  local
1130 	delayed_refs = &trans->transaction->delayed_refs;  in btrfs_add_delayed_extent_op()
1131 	spin_lock(&delayed_refs->lock);  in btrfs_add_delayed_extent_op()
1136 	spin_unlock(&delayed_refs->lock);  in btrfs_add_delayed_extent_op()
1151 btrfs_find_delayed_ref_head(struct btrfs_delayed_ref_root *delayed_refs, u64 bytenr)  in btrfs_find_delayed_ref_head()  argument
1153 	lockdep_assert_held(&delayed_refs->lock);  in btrfs_find_delayed_ref_head()
1155 	return find_ref_head(delayed_refs, bytenr, false);  in btrfs_find_delayed_ref_head()