* "checkfs" would run into a panic (transaction still open) when trying to

write back the bitmap.


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@28478 a95241bf-73f2-0310-859d-f6bbb57e9c96

src/add-ons/kernel/file_systems/bfs/Journal.cpp

@@ -933,6 +933,7 @@ Journal::Lock(Transaction* owner, bool separateSubTransactions)
 	//	For that, it would be nice to have some call-back interface in the
 	//	cache transaction API...
 
+	if (fOwner != NULL) {
 		if (fUnwrittenTransactions > 0) {
 			// start a sub transaction
 			cache_start_sub_transaction(fVolume->BlockCache(), fTransactionID);
@@ -947,7 +948,7 @@ Journal::Lock(Transaction* owner, bool separateSubTransactions)
 
 		cache_add_transaction_listener(fVolume->BlockCache(), fTransactionID,
 			TRANSACTION_IDLE, _TransactionIdle, this);
-
+	}
 	return B_OK;
 }
 
@@ -959,6 +960,7 @@ Journal::Unlock(Transaction* owner, bool success)
 		// we only end the transaction if we would really unlock it
 		// TODO: what about failing transactions that do not unlock?
 		// (they must make the parent fail, too)
+		if (fOwner != NULL)
 			_TransactionDone(success);
 
 		fTimestamp = system_time();