2465 	struct btrfs_delayed_ref_head *locked_ref = NULL;  in __btrfs_run_delayed_refs()  local
2476 		if (!locked_ref) {  in __btrfs_run_delayed_refs()
2481 			locked_ref = btrfs_select_ref_head(trans);  in __btrfs_run_delayed_refs()
2482 			if (!locked_ref) {  in __btrfs_run_delayed_refs()
2489 			ret = btrfs_delayed_ref_lock(trans, locked_ref);  in __btrfs_run_delayed_refs()
2498 				locked_ref = NULL;  in __btrfs_run_delayed_refs()
2516 		spin_lock(&locked_ref->lock);  in __btrfs_run_delayed_refs()
2518 					 locked_ref);  in __btrfs_run_delayed_refs()
2524 		ref = select_delayed_ref(locked_ref);  in __btrfs_run_delayed_refs()
2528 			spin_unlock(&locked_ref->lock);  in __btrfs_run_delayed_refs()
2530 			locked_ref->processing = 0;  in __btrfs_run_delayed_refs()
2533 			btrfs_delayed_ref_unlock(locked_ref);  in __btrfs_run_delayed_refs()
2534 			locked_ref = NULL;  in __btrfs_run_delayed_refs()
2544 		must_insert_reserved = locked_ref->must_insert_reserved;  in __btrfs_run_delayed_refs()
2545 		locked_ref->must_insert_reserved = 0;  in __btrfs_run_delayed_refs()
2547 		extent_op = locked_ref->extent_op;  in __btrfs_run_delayed_refs()
2548 		locked_ref->extent_op = NULL;  in __btrfs_run_delayed_refs()
2557 			ref = &locked_ref->node;  in __btrfs_run_delayed_refs()
2565 				spin_unlock(&locked_ref->lock);  in __btrfs_run_delayed_refs()
2578 						locked_ref->must_insert_reserved = 1;  in __btrfs_run_delayed_refs()
2580 					locked_ref->processing = 0;  in __btrfs_run_delayed_refs()
2584 					btrfs_delayed_ref_unlock(locked_ref);  in __btrfs_run_delayed_refs()
2595 			spin_unlock(&locked_ref->lock);  in __btrfs_run_delayed_refs()
2597 			spin_lock(&locked_ref->lock);  in __btrfs_run_delayed_refs()
2598 			if (!list_empty(&locked_ref->ref_list) ||  in __btrfs_run_delayed_refs()
2599 			    locked_ref->extent_op) {  in __btrfs_run_delayed_refs()
2600 				spin_unlock(&locked_ref->lock);  in __btrfs_run_delayed_refs()
2606 			rb_erase(&locked_ref->href_node,  in __btrfs_run_delayed_refs()
2624 				locked_ref->node.ref_mod -= ref->ref_mod;  in __btrfs_run_delayed_refs()
2627 				locked_ref->node.ref_mod += ref->ref_mod;  in __btrfs_run_delayed_refs()
2633 		spin_unlock(&locked_ref->lock);  in __btrfs_run_delayed_refs()
2640 			locked_ref->processing = 0;  in __btrfs_run_delayed_refs()
2641 			btrfs_delayed_ref_unlock(locked_ref);  in __btrfs_run_delayed_refs()
2654 			if (locked_ref->is_data &&  in __btrfs_run_delayed_refs()
2655 			    locked_ref->total_ref_mod < 0) {  in __btrfs_run_delayed_refs()
2660 			btrfs_delayed_ref_unlock(locked_ref);  in __btrfs_run_delayed_refs()
2661 			locked_ref = NULL;  in __btrfs_run_delayed_refs()