488 	if (ref->extent_op) {  in update_existing_head_ref()
489 		if (!existing_ref->extent_op) {  in update_existing_head_ref()
490 			existing_ref->extent_op = ref->extent_op;  in update_existing_head_ref()
492 			if (ref->extent_op->update_key) {  in update_existing_head_ref()
493 				memcpy(&existing_ref->extent_op->key,  in update_existing_head_ref()
494 				       &ref->extent_op->key,  in update_existing_head_ref()
495 				       sizeof(ref->extent_op->key));  in update_existing_head_ref()
496 				existing_ref->extent_op->update_key = 1;  in update_existing_head_ref()
498 			if (ref->extent_op->update_flags) {  in update_existing_head_ref()
499 				existing_ref->extent_op->flags_to_set |=  in update_existing_head_ref()
500 					ref->extent_op->flags_to_set;  in update_existing_head_ref()
501 				existing_ref->extent_op->update_flags = 1;  in update_existing_head_ref()
503 			btrfs_free_delayed_extent_op(ref->extent_op);  in update_existing_head_ref()
759 			       struct btrfs_delayed_extent_op *extent_op)  in btrfs_add_delayed_tree_ref()  argument
766 	BUG_ON(extent_op && extent_op->is_data);  in btrfs_add_delayed_tree_ref()
781 	head_ref->extent_op = extent_op;  in btrfs_add_delayed_tree_ref()
815 			       struct btrfs_delayed_extent_op *extent_op)  in btrfs_add_delayed_data_ref()  argument
822 	BUG_ON(extent_op && !extent_op->is_data);  in btrfs_add_delayed_data_ref()
843 	head_ref->extent_op = extent_op;  in btrfs_add_delayed_data_ref()
894 				struct btrfs_delayed_extent_op *extent_op)  in btrfs_add_delayed_extent_op()  argument
903 	head_ref->extent_op = extent_op;  in btrfs_add_delayed_extent_op()
910 			     extent_op->is_data);  in btrfs_add_delayed_extent_op()