package daemon: Let Root know whether it is the system root

src/servers/package/PackageDaemon.cpp

@@ -59,11 +59,6 @@ PackageDaemon::Init()
 		_RegisterVolume(device);
 	}
 
-	// find the system root
-	struct stat st;
-	if (stat("/boot", &st) == 0)
-		fSystemRoot = _FindRoot(node_ref(st.st_dev, st.st_ino));
-
 	return B_OK;
 }
 
@@ -175,7 +170,14 @@ PackageDaemon::_GetOrCreateRoot(const node_ref& nodeRef, Root*& _root)
 			RETURN_ERROR(B_NO_MEMORY);
 		ObjectDeleter<Root> rootDeleter(root);
 
-		status_t error = root->Init(nodeRef);
+		bool isSystemRoot = false;
+		if (fSystemRoot == NULL) {
+			struct stat st;
+			isSystemRoot = stat("/boot", &st) == 0
+				&& node_ref(st.st_dev, st.st_ino) == nodeRef;
+		}
+
+		status_t error = root->Init(nodeRef, isSystemRoot);
 		if (error != B_OK)
 			RETURN_ERROR(error);
 
@@ -184,6 +186,9 @@ PackageDaemon::_GetOrCreateRoot(const node_ref& nodeRef, Root*& _root)
 
 		rootDeleter.Detach();
 
+		if (isSystemRoot)
+			fSystemRoot = root;
+
 		INFORM("root at \"%s\" (device: %" B_PRIdDEV ", node: %" B_PRIdINO ") "
 			"registered\n", root->Path().String(), nodeRef.device,
 			nodeRef.node);

src/servers/package/Root.cpp

@@ -76,6 +76,7 @@ Root::Root()
 	:
 	fLock("packagefs root"),
 	fNodeRef(),
+	fIsSystemRoot(false),
 	fPath(),
 	fSystemVolume(NULL),
 	fCommonVolume(NULL),
@@ -96,9 +97,10 @@ Root::~Root()
 
 
 status_t
-Root::Init(const node_ref& nodeRef)
+Root::Init(const node_ref& nodeRef, bool isSystemRoot)
 {
 	fNodeRef = nodeRef;
+	fIsSystemRoot = isSystemRoot;
 
 	// init members and spawn job runner thread
 	status_t error = fJobQueue.Init();

src/servers/package/Root.h

@@ -29,7 +29,8 @@ public:
 								Root();
 	virtual						~Root();
 
-			status_t			Init(const node_ref& nodeRef);
+			status_t			Init(const node_ref& nodeRef,
+									bool isSystemRoot);
 
 			const node_ref&		NodeRef() const		{ return fNodeRef; }
 			dev_t				DeviceID() const	{ return fNodeRef.device; }
@@ -76,6 +77,7 @@ private:
 private:
 	mutable	BLocker				fLock;
 			node_ref			fNodeRef;
+			bool				fIsSystemRoot;
 			BString				fPath;
 			Volume*				fSystemVolume;
 			Volume*				fCommonVolume;