523 	if (ref->extent_op) {  in update_existing_head_ref()
524 		if (!existing_ref->extent_op) {  in update_existing_head_ref()
525 			existing_ref->extent_op = ref->extent_op;  in update_existing_head_ref()
527 			if (ref->extent_op->update_key) {  in update_existing_head_ref()
528 				memcpy(&existing_ref->extent_op->key,  in update_existing_head_ref()
529 				       &ref->extent_op->key,  in update_existing_head_ref()
530 				       sizeof(ref->extent_op->key));  in update_existing_head_ref()
531 				existing_ref->extent_op->update_key = 1;  in update_existing_head_ref()
533 			if (ref->extent_op->update_flags) {  in update_existing_head_ref()
534 				existing_ref->extent_op->flags_to_set |=  in update_existing_head_ref()
535 					ref->extent_op->flags_to_set;  in update_existing_head_ref()
536 				existing_ref->extent_op->update_flags = 1;  in update_existing_head_ref()
538 			btrfs_free_delayed_extent_op(ref->extent_op);  in update_existing_head_ref()
787 			       struct btrfs_delayed_extent_op *extent_op,  in btrfs_add_delayed_tree_ref()  argument
797 	BUG_ON(extent_op && extent_op->is_data);  in btrfs_add_delayed_tree_ref()
808 	head_ref->extent_op = extent_op;  in btrfs_add_delayed_tree_ref()
836 			       struct btrfs_delayed_extent_op *extent_op,  in btrfs_add_delayed_data_ref()  argument
846 	BUG_ON(extent_op && !extent_op->is_data);  in btrfs_add_delayed_data_ref()
857 	head_ref->extent_op = extent_op;  in btrfs_add_delayed_data_ref()
880 				struct btrfs_delayed_extent_op *extent_op)  in btrfs_add_delayed_extent_op()  argument
889 	head_ref->extent_op = extent_op;  in btrfs_add_delayed_extent_op()
896 				   extent_op->is_data);  in btrfs_add_delayed_extent_op()