file_systems/packagefs/PackageFSRoot.cpp

28 mutex PackageFSRoot::sRootListLock = MUTEX_INITIALIZER("packagefs root list");
39 	rw_lock_init(&fLock, "packagefs root");
90 	// Unless the volume is custom mounted, we stat the supposed root directory.
91 	// Get the volume mount point relative path to the root directory depending
113 			dprintf("packagefs: Failed to get root directory \"%s\": %s\n",
123 			dprintf("packagefs: Failed to stat root directory \"%s\": %s\n",
128 		// get/create the root
129 		PackageFSRoot* root;
130 		error = PackageFSRoot::_GetOrCreateRoot(st.st_dev, st.st_ino, root);
135 		error = root->_AddVolume(volume);
137 			_PutRoot(root);
144 	// custom mount -- always create a new root
145 	PackageFSRoot* root = new(std::nothrow) PackageFSRoot(-1, 0);
146 	if (root == NULL)
148 	ObjectDeleter<PackageFSRoot> rootDeleter(root);
150 	status_t error = root->Init();
155 	error = root->_AddVolume(volume);
157 		_PutRoot(root);
161 	// We don't add the root to the list.
395 	// first check the list, if the root already exists
398 	if (PackageFSRoot* root = _FindRootLocked(deviceID, nodeID)) {
399 		root->AcquireReference();
400 		_root = root;
406 	// create a new root
407 	PackageFSRoot* root = new(std::nothrow) PackageFSRoot(deviceID, nodeID);
408 	if (root == NULL)
410 	ObjectDeleter<PackageFSRoot> rootDeleter(root);
412 	status_t error = root->Init();
416 	// add the root -- first recheck whether someone else added the root in the
427 	sRootList.Add(root);
438 			PackageFSRoot* root = it.Next();) {
439 		if (root->DeviceID() == deviceID && root->NodeID() == nodeID)
440 			return root;
448 PackageFSRoot::_PutRoot(PackageFSRoot* root)
451 	if (!root->IsCustom()) {
454 		// When releasing the last reference, remove the root from the list.
455 		if (root->CountReferences() == 1)
456 			sRootList.Remove(root);
461 	root->ReleaseReference();