* Adjusted according to the is_vnode_removed() -> get_vnode_removed()

change.
* The new notification functions are used instead of send_notification()
  and notify_listener() now. Mapped them in the BeOS kernel emulation
  accordingly. RamFS node monitoring seems to work now. 


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@20298 a95241bf-73f2-0310-859d-f6bbb57e9c96

headers/private/userlandfs/private/Requests.h

@@ -175,8 +175,8 @@ enum {
 	NOTIFY_LISTENER_REPLY,
 	NOTIFY_SELECT_EVENT_REQUEST,
 	NOTIFY_SELECT_EVENT_REPLY,
-	SEND_NOTIFICATION_REQUEST,
-	SEND_NOTIFICATION_REPLY,
+	NOTIFY_QUERY_REQUEST,
+	NOTIFY_QUERY_REPLY,
 
 	// vnodes
 	GET_VNODE_REQUEST,
@@ -191,8 +191,8 @@ enum {
 	REMOVE_VNODE_REPLY,
 	UNREMOVE_VNODE_REQUEST,
 	UNREMOVE_VNODE_REPLY,
-	IS_VNODE_REMOVED_REQUEST,
-	IS_VNODE_REMOVED_REPLY,
+	GET_VNODE_REMOVED_REQUEST,
+	GET_VNODE_REMOVED_REPLY,
 
 	// general reply
 	RECEIPT_ACK_REPLY,
@@ -1313,8 +1313,6 @@ public:
 // #pragma mark -
 // #pragma mark ----- notifications -----
 
-// TODO: notify_listener() and send_notifications() are obsolete!
-
 // NotifyListenerRequest
 class NotifyListenerRequest : public Request {
 public:
@@ -1322,10 +1320,13 @@ public:
 	status_t GetAddressInfos(AddressInfo* infos, int32* count);
 
 	int32		operation;
-	mount_id	nsid;
-	vnode_id	vnida;
-	vnode_id	vnidb;
-	vnode_id	vnidc;
+	uint32		details;			// for B_STAT_CHANGED:statFields
+									// and B_ATTRIBUTE_CHANGED:cause
+	mount_id	device;
+	vnode_id	oldDirectory;
+	vnode_id	directory;
+	vnode_id	node;
+	Address		oldName;
 	Address		name;
 };
 
@@ -1343,6 +1344,7 @@ public:
 	selectsync*	sync;
 	uint32		ref;
 	uint8		event;
+	bool		unspecifiedEvent;
 };
 
 // NotifySelectEventReply
@@ -1351,28 +1353,25 @@ public:
 	NotifySelectEventReply() : ReplyRequest(NOTIFY_SELECT_EVENT_REPLY) {}
 };
 
-// SendNotificationRequest
-class SendNotificationRequest : public Request {
+// NotifyQueryRequest
+class NotifyQueryRequest : public Request {
 public:
-	SendNotificationRequest() : Request(SEND_NOTIFICATION_REQUEST) {}
+	NotifyQueryRequest() : Request(NOTIFY_QUERY_REQUEST) {}
 	status_t GetAddressInfos(AddressInfo* infos, int32* count);
 
 	port_id		port;
 	int32		token;
-	uint32		what;
-	int32		operation;
-	mount_id	nsida;
-	mount_id	nsidb;
-	vnode_id	vnida;
-	vnode_id	vnidb;
-	vnode_id	vnidc;
+	int32		operation;			// B_ENTRY_{CREATED,REMOVED}
+	mount_id	device;
+	vnode_id	directory;
+	vnode_id	node;
 	Address		name;
 };
 
-// SendNotificationReply
-class SendNotificationReply : public ReplyRequest {
+// NotifyQueryReply
+class NotifyQueryReply : public ReplyRequest {
 public:
-	SendNotificationReply() : ReplyRequest(SEND_NOTIFICATION_REPLY) {}
+	NotifyQueryReply() : ReplyRequest(NOTIFY_QUERY_REPLY) {}
 };
 
 
@@ -1473,21 +1472,21 @@ public:
 	UnremoveVNodeReply() : ReplyRequest(UNREMOVE_VNODE_REPLY) {}
 };
 
-// IsVNodeRemovedRequest
-class IsVNodeRemovedRequest : public Request {
+// GetVNodeRemovedRequest
+class GetVNodeRemovedRequest : public Request {
 public:
-	IsVNodeRemovedRequest() : Request(IS_VNODE_REMOVED_REQUEST) {}
+	GetVNodeRemovedRequest() : Request(GET_VNODE_REMOVED_REQUEST) {}
 
 	mount_id	nsid;
 	vnode_id	vnid;
 };
 
-// IsVNodeRemovedReply
-class IsVNodeRemovedReply : public ReplyRequest {
+// GetVNodeRemovedReply
+class GetVNodeRemovedReply : public ReplyRequest {
 public:
-	IsVNodeRemovedReply() : ReplyRequest(IS_VNODE_REMOVED_REPLY) {}
+	GetVNodeRemovedReply() : ReplyRequest(GET_VNODE_REMOVED_REPLY) {}
 
-	int			result;
+	bool		removed;
 };
 
 
@@ -1789,10 +1788,10 @@ do_for_request(Request* request, Task& task)
 			return task((NotifySelectEventRequest*)request);
 		case NOTIFY_SELECT_EVENT_REPLY:
 			return task((NotifySelectEventReply*)request);
-		case SEND_NOTIFICATION_REQUEST:
-			return task((SendNotificationRequest*)request);
-		case SEND_NOTIFICATION_REPLY:
-			return task((SendNotificationReply*)request);
+		case NOTIFY_QUERY_REQUEST:
+			return task((NotifyQueryRequest*)request);
+		case NOTIFY_QUERY_REPLY:
+			return task((NotifyQueryReply*)request);
 		// vnodes
 		case GET_VNODE_REQUEST:
 			return task((GetVNodeRequest*)request);
@@ -1818,10 +1817,10 @@ do_for_request(Request* request, Task& task)
 			return task((UnremoveVNodeRequest*)request);
 		case UNREMOVE_VNODE_REPLY:
 			return task((UnremoveVNodeReply*)request);
-		case IS_VNODE_REMOVED_REQUEST:
-			return task((IsVNodeRemovedRequest*)request);
-		case IS_VNODE_REMOVED_REPLY:
-			return task((IsVNodeRemovedReply*)request);
+		case GET_VNODE_REMOVED_REQUEST:
+			return task((GetVNodeRemovedRequest*)request);
+		case GET_VNODE_REMOVED_REPLY:
+			return task((GetVNodeRemovedReply*)request);
 		// general reply
 		case RECEIPT_ACK_REPLY:
 			return task((ReceiptAckReply*)request);
@@ -1992,8 +1991,8 @@ using UserlandFSUtil::NotifyListenerRequest;
 using UserlandFSUtil::NotifyListenerReply;
 using UserlandFSUtil::NotifySelectEventRequest;
 using UserlandFSUtil::NotifySelectEventReply;
-using UserlandFSUtil::SendNotificationRequest;
-using UserlandFSUtil::SendNotificationReply;
+using UserlandFSUtil::NotifyQueryRequest;
+using UserlandFSUtil::NotifyQueryReply;
 // vnodes
 using UserlandFSUtil::GetVNodeRequest;
 using UserlandFSUtil::GetVNodeReply;
@@ -2007,8 +2006,8 @@ using UserlandFSUtil::RemoveVNodeRequest;
 using UserlandFSUtil::RemoveVNodeReply;
 using UserlandFSUtil::UnremoveVNodeRequest;
 using UserlandFSUtil::UnremoveVNodeReply;
-using UserlandFSUtil::IsVNodeRemovedRequest;
-using UserlandFSUtil::IsVNodeRemovedReply;
+using UserlandFSUtil::GetVNodeRemovedRequest;
+using UserlandFSUtil::GetVNodeRemovedReply;
 // general reply
 using UserlandFSUtil::ReceiptAckReply;
 

src/add-ons/kernel/file_systems/userlandfs/kernel_add_on/KernelRequestHandler.cpp

@@ -62,8 +62,8 @@ KernelRequestHandler::HandleRequest(Request* request)
 			return _HandleRequest((NotifyListenerRequest*)request);
 		case NOTIFY_SELECT_EVENT_REQUEST:
 			return _HandleRequest((NotifySelectEventRequest*)request);
-		case SEND_NOTIFICATION_REQUEST:
-			return _HandleRequest((SendNotificationRequest*)request);
+		case NOTIFY_QUERY_REQUEST:
+			return _HandleRequest((NotifyQueryRequest*)request);
 		// vnodes
 		case GET_VNODE_REQUEST:
 			return _HandleRequest((GetVNodeRequest*)request);
@@ -77,8 +77,8 @@ KernelRequestHandler::HandleRequest(Request* request)
 			return _HandleRequest((RemoveVNodeRequest*)request);
 		case UNREMOVE_VNODE_REQUEST:
 			return _HandleRequest((UnremoveVNodeRequest*)request);
-		case IS_VNODE_REMOVED_REQUEST:
-			return _HandleRequest((IsVNodeRemovedRequest*)request);
+		case GET_VNODE_REMOVED_REQUEST:
+			return _HandleRequest((GetVNodeRemovedRequest*)request);
 	}
 PRINT(("KernelRequestHandler::HandleRequest(): unexpected request: %lu\n",
 request->GetType()));
@@ -94,44 +94,109 @@ KernelRequestHandler::_HandleRequest(NotifyListenerRequest* request)
 {
 	// check and executed the request
 	status_t result = B_OK;
-	if (fVolume && request->nsid != fVolume->GetID())
+	if (fVolume && request->device != fVolume->GetID())
 		result = B_BAD_VALUE;
-	// check the name
+
+	// get the names
+	// name
 	char* name = (char*)request->name.GetData();
 	int32 nameLen = request->name.GetSize();
-	if (name && (nameLen <= 0 || strnlen(name, nameLen) < 1))
+	if (name && (nameLen <= 0))
 		name = NULL;
 	else if (name)
-		name[nameLen - 1] = '\0';
-	if (!name) {
+		name[nameLen - 1] = '\0';	// NULL-terminate to be safe
+
+	// old name
+	char* oldName = (char*)request->oldName.GetData();
+	int32 oldNameLen = request->oldName.GetSize();
+	if (oldName && (oldNameLen <= 0))
+		oldName = NULL;
+	else if (oldName)
+		oldName[oldNameLen - 1] = '\0';	// NULL-terminate to be safe
+
+	// check the names
+	if (result == B_OK) {
 		switch (request->operation) {
-			case B_ENTRY_CREATED:
 			case B_ENTRY_MOVED:
-			case B_ATTR_CHANGED:
-				ERROR(("notify_listener(): NULL name for opcode: %ld\n",
-					request->operation));
-				result = B_BAD_VALUE; 
-				break;
+				if (!oldName) {
+					ERROR(("NotifyListenerRequest: NULL oldName for "
+						"B_ENTRY_MOVED\n"));
+					result = B_BAD_VALUE; 
+					break;
+				}
+				// fall through...
+			case B_ENTRY_CREATED:
 			case B_ENTRY_REMOVED:
+			case B_ATTR_CHANGED:
+				if (!name) {
+					ERROR(("NotifyListenerRequest: NULL name for opcode: %ld\n",
+						request->operation));
+					result = B_BAD_VALUE; 
+				}
+				break;
 			case B_STAT_CHANGED:
 				break;
 		}
 	}
+
 	// execute the request
 	if (result == B_OK) {
-		PRINT(("notify_listener(%ld, %ld, %Ld, %Ld, %Ld, `%s')\n",
-			request->operation, request->nsid, request->vnida, request->vnidb,
-			request->vnidc, name));
-		result = notify_listener(request->operation, request->nsid,
-			request->vnida, request->vnidb, request->vnidc, name);
+		switch (request->operation) {
+			case B_ENTRY_CREATED:
+				PRINT(("notify_entry_created(%ld, %lld, \"%s\", %lld)\n",
+					request->device, request->directory, name, request->node));
+				result = notify_entry_created(request->device,
+					request->directory, name, request->node);
+				break;
+
+			case B_ENTRY_REMOVED:
+				PRINT(("notify_entry_removed(%ld, %lld, \"%s\", %lld)\n",
+					request->device, request->directory, name, request->node));
+				result = notify_entry_removed(request->device,
+					request->directory, name, request->node);
+				break;
+
+			case B_ENTRY_MOVED:
+				PRINT(("notify_entry_moved(%ld, %lld, \"%s\", %lld, \"%s\", "
+					"%lld)\n", request->device, request->oldDirectory, oldName,
+					request->directory, name, request->node));
+				result = notify_entry_moved(request->device,
+					request->oldDirectory, oldName, request->directory, name,
+					request->node);
+				break;
+
+			case B_STAT_CHANGED:
+				PRINT(("notify_stat_changed(%ld, %lld, 0x%lx)\n",
+					request->device, request->node, request->details));
+				result = notify_stat_changed(request->device, request->node,
+					request->details);
+				break;
+
+			case B_ATTR_CHANGED:
+				PRINT(("notify_attribute_changed(%ld, %lld, \"%s\", 0x%lx)\n",
+					request->device, request->node, name,
+					(int32)request->details));
+				result = notify_attribute_changed(request->device,
+					request->node, name, (int32)request->details);
+				break;
+
+			default:
+				ERROR(("NotifyQueryRequest: unsupported operation: %ld\n",
+					request->operation));
+				result = B_BAD_VALUE; 
+				break;
+		}
 	}
+
 	// prepare the reply
 	RequestAllocator allocator(fPort->GetPort());
 	NotifyListenerReply* reply;
 	status_t error = AllocateRequest(allocator, &reply);
 	if (error != B_OK)
 		return error;
+
 	reply->error = result;
+
 	// send the reply
 	return fPort->SendRequest(&allocator);
 }
@@ -143,67 +208,90 @@ KernelRequestHandler::_HandleRequest(NotifySelectEventRequest* request)
 	// check and executed the request
 	status_t result = B_OK;
 	if (fFileSystem->KnowsSelectSyncEntry(request->sync)) {
-		PRINT(("notify_select_event(%p, %lu)\n", request->sync, request->ref));
-		notify_select_event(request->sync, request->ref, request->event);
+		if (request->unspecifiedEvent) {
+			// old style add-ons can't provide an event argument; we shoot
+			// all events
+			notify_select_event(request->sync, request->ref, B_SELECT_READ);
+			notify_select_event(request->sync, request->ref, B_SELECT_WRITE);
+			notify_select_event(request->sync, request->ref, B_SELECT_ERROR);
+		} else {
+			PRINT(("notify_select_event(%p, %lu, %d)\n", request->sync,
+				request->ref, (int)request->event));
+			notify_select_event(request->sync, request->ref, request->event);
+		}
 	} else
 		result = B_BAD_VALUE;
+
 	// prepare the reply
 	RequestAllocator allocator(fPort->GetPort());
 	NotifySelectEventReply* reply;
 	status_t error = AllocateRequest(allocator, &reply);
 	if (error != B_OK)
 		return error;
+
 	reply->error = result;
+
 	// send the reply
 	return fPort->SendRequest(&allocator);
 }
 
 // _HandleRequest
 status_t
-KernelRequestHandler::_HandleRequest(SendNotificationRequest* request)
+KernelRequestHandler::_HandleRequest(NotifyQueryRequest* request)
 {
 	// check and executed the request
 	status_t result = B_OK;
-	if (fVolume && request->nsida != fVolume->GetID()
-		&& request->nsidb != fVolume->GetID()) {
+	if (fVolume && request->device != fVolume->GetID())
 		result = B_BAD_VALUE;
-	}
+
 	// check the name
 	char* name = (char*)request->name.GetData();
 	int32 nameLen = request->name.GetSize();
-	if (name && (nameLen <= 0 || strnlen(name, nameLen) < 1))
-		name = NULL;
-	else if (name)
-		name[nameLen - 1] = '\0';
-	if (!name) {
+	if (!name || nameLen <= 0) {
+		ERROR(("NotifyQueryRequest: NULL name!\n"));
+		result = B_BAD_VALUE; 
+	} else
+		name[nameLen - 1] = '\0';	// NULL-terminate to be safe
+
+	// execute the request
+	if (result == B_OK) {
 		switch (request->operation) {
 			case B_ENTRY_CREATED:
+				PRINT(("notify_query_entry_created(%ld, %ld, %ld, %lld,"
+					" \"%s\", %lld)\n", request->port, request->token,
+					request->device, request->directory, name, request->node));
+				result = notify_query_entry_created(request->port,
+					request->token, request->device, request->directory, name,
+					request->node);
+				break;
+
+			case B_ENTRY_REMOVED:
+				PRINT(("notify_query_entry_removed(%ld, %ld, %ld, %lld,"
+					" \"%s\", %lld)\n", request->port, request->token,
+					request->device, request->directory, name, request->node));
+				result = notify_query_entry_removed(request->port,
+					request->token, request->device, request->directory, name,
+					request->node);
+				break;
+
 			case B_ENTRY_MOVED:
-				ERROR(("send_notification(): NULL name for opcode: %ld\n",
+			default:
+				ERROR(("NotifyQueryRequest: unsupported operation: %ld\n",
 					request->operation));
 				result = B_BAD_VALUE; 
 				break;
-			case B_ENTRY_REMOVED:
-				break;
 		}
 	}
-	// execute the request
-	if (result == B_OK) {
-		PRINT(("send_notification(%ld, %ld, %lu, %ld, %ld, %ld, %Ld, %Ld, %Ld, "
-			"`%s')\n", request->port, request->token, request->what,
-			request->operation, request->nsida, request->nsidb, request->vnida,
-			request->vnidb, request->vnidc, name));
-		result = send_notification(request->port, request->token, request->what,
-			request->operation, request->nsida, request->nsidb, request->vnida,
-			request->vnidb, request->vnidc, name);
-	}
+
 	// prepare the reply
 	RequestAllocator allocator(fPort->GetPort());
-	SendNotificationReply* reply;
+	NotifyQueryReply* reply;
 	status_t error = AllocateRequest(allocator, &reply);
 	if (error != B_OK)
 		return error;
+
 	reply->error = result;
+
 	// send the reply
 	return fPort->SendRequest(&allocator);
 }
@@ -344,22 +432,26 @@ KernelRequestHandler::_HandleRequest(UnremoveVNodeRequest* request)
 
 // _HandleRequest
 status_t
-KernelRequestHandler::_HandleRequest(IsVNodeRemovedRequest* request)
+KernelRequestHandler::_HandleRequest(GetVNodeRemovedRequest* request)
 {
 	// check and executed the request
 	Volume* volume = NULL;
 	status_t result = _GetVolume(request->nsid, &volume);
 	VolumePutter _(volume);
+	bool removed = false;
 	if (result == B_OK)
-		result = volume->IsVNodeRemoved(request->vnid);
+		result = volume->GetVNodeRemoved(request->vnid, &removed);
+
 	// prepare the reply
 	RequestAllocator allocator(fPort->GetPort());
-	IsVNodeRemovedReply* reply;
+	GetVNodeRemovedReply* reply;
 	status_t error = AllocateRequest(allocator, &reply);
 	if (error != B_OK)
 		return error;
-	reply->error = (result < 0 ? result : B_OK);
-	reply->result = result;
+
+	reply->error = result;
+	reply->removed = removed;
+
 	// send the reply
 	return fPort->SendRequest(&allocator);
 }

src/add-ons/kernel/file_systems/userlandfs/kernel_add_on/KernelRequestHandler.h

@@ -9,28 +9,28 @@
 
 namespace UserlandFSUtil {
 
+class GetVNodeRemovedRequest;
 class GetVNodeRequest;
-class IsVNodeRemovedRequest;
 class NewVNodeRequest;
 class NotifyListenerRequest;
+class NotifyQueryRequest;
 class NotifySelectEventRequest;
 class PublishVNodeRequest;
 class PutVNodeRequest;
 class RemoveVNodeRequest;
-class SendNotificationRequest;
 class UnremoveVNodeRequest;
 
 }
 
+using UserlandFSUtil::GetVNodeRemovedRequest;
 using UserlandFSUtil::GetVNodeRequest;
-using UserlandFSUtil::IsVNodeRemovedRequest;
 using UserlandFSUtil::NewVNodeRequest;
 using UserlandFSUtil::NotifyListenerRequest;
+using UserlandFSUtil::NotifyQueryRequest;
 using UserlandFSUtil::NotifySelectEventRequest;
 using UserlandFSUtil::PublishVNodeRequest;
 using UserlandFSUtil::PutVNodeRequest;
 using UserlandFSUtil::RemoveVNodeRequest;
-using UserlandFSUtil::SendNotificationRequest;
 using UserlandFSUtil::UnremoveVNodeRequest;
 
 class Volume;
@@ -50,8 +50,7 @@ private:
 			status_t			_HandleRequest(NotifyListenerRequest* request);
 			status_t			_HandleRequest(
 									NotifySelectEventRequest* request);
-			status_t			_HandleRequest(
-									SendNotificationRequest* request);
+			status_t			_HandleRequest(NotifyQueryRequest* request);
 			// vnodes
 			status_t			_HandleRequest(GetVNodeRequest* request);
 			status_t			_HandleRequest(PutVNodeRequest* request);
@@ -59,7 +58,7 @@ private:
 			status_t			_HandleRequest(PublishVNodeRequest* request);
 			status_t			_HandleRequest(RemoveVNodeRequest* request);
 			status_t			_HandleRequest(UnremoveVNodeRequest* request);
-			status_t			_HandleRequest(IsVNodeRemovedRequest* request);
+			status_t			_HandleRequest(GetVNodeRemovedRequest* request);
 
 			status_t			_GetVolume(mount_id id, Volume** volume);
 

src/add-ons/kernel/file_systems/userlandfs/kernel_add_on/Volume.cpp

@@ -129,7 +129,7 @@ Volume::IsMounting() const
 status_t
 Volume::GetVNode(vnode_id vnid, fs_vnode* node)
 {
-PRINT(("get_vnode(%ld, %Ld)\n", fID, vnid));
+PRINT(("get_vnode(%ld, %lld)\n", fID, vnid));
 	if (IsMounting() && !fMountVNodes->ContainsKey(vnid)) {
 		ERROR(("Volume::GetVNode(): get_vnode() invoked for unknown vnode "
 			"while mounting!\n"));
@@ -144,7 +144,7 @@ PRINT(("get_vnode(%ld, %Ld)\n", fID, vnid));
 status_t
 Volume::PutVNode(vnode_id vnid)
 {
-PRINT(("put_vnode(%ld, %Ld)\n", fID, vnid));
+PRINT(("put_vnode(%ld, %lld)\n", fID, vnid));
 	status_t error = put_vnode(fID, vnid);
 	if (error == B_OK)
 		_DecrementVNodeCount(vnid);
@@ -155,7 +155,7 @@ PRINT(("put_vnode(%ld, %Ld)\n", fID, vnid));
 status_t
 Volume::NewVNode(vnode_id vnid, fs_vnode node)
 {
-PRINT(("new_vnode(%ld, %Ld)\n", fID, vnid));
+PRINT(("new_vnode(%ld, %lld)\n", fID, vnid));
 	status_t error = new_vnode(fID, vnid, node);
 	if (error == B_OK) {
 		if (IsMounting()) {
@@ -168,7 +168,7 @@ PRINT(("new_vnode(%ld, %Ld)\n", fID, vnid));
 				return error;
 			}
 		}
-// TODO: Check what need to do according to the new semantics.
+// TODO: Check what we need to do according to the new semantics.
 //		_IncrementVNodeCount(vnid);
 	}
 	return error;
@@ -178,7 +178,7 @@ PRINT(("new_vnode(%ld, %Ld)\n", fID, vnid));
 status_t
 Volume::PublishVNode(vnode_id vnid, fs_vnode node)
 {
-PRINT(("publish_vnode(%ld, %Ld)\n", fID, vnid));
+PRINT(("publish_vnode(%ld, %lld)\n", fID, vnid));
 	status_t error = publish_vnode(fID, vnid, node);
 	if (error == B_OK) {
 		if (IsMounting()) {
@@ -199,7 +199,7 @@ PRINT(("publish_vnode(%ld, %Ld)\n", fID, vnid));
 status_t
 Volume::RemoveVNode(vnode_id vnid)
 {
-PRINT(("remove_vnode(%ld, %Ld)\n", fID, vnid));
+PRINT(("remove_vnode(%ld, %lld)\n", fID, vnid));
 	return remove_vnode(fID, vnid);
 }
 
@@ -207,16 +207,16 @@ PRINT(("remove_vnode(%ld, %Ld)\n", fID, vnid));
 status_t
 Volume::UnremoveVNode(vnode_id vnid)
 {
-PRINT(("unremove_vnode(%ld, %Ld)\n", fID, vnid));
+PRINT(("unremove_vnode(%ld, %lld)\n", fID, vnid));
 	return unremove_vnode(fID, vnid);
 }
 
-// IsVNodeRemoved
+// GetVNodeRemoved
 status_t
-Volume::IsVNodeRemoved(vnode_id vnid)
+Volume::GetVNodeRemoved(vnode_id vnid, bool* removed)
 {
-PRINT(("is_vnode_removed(%ld, %Ld)\n", fID, vnid));
-	return is_vnode_removed(fID, vnid);
+PRINT(("get_vnode_removed(%ld, %lld, %p)\n", fID, vnid, removed));
+	return get_vnode_removed(fID, vnid, removed);
 }
 
 

src/add-ons/kernel/file_systems/userlandfs/kernel_add_on/Volume.h

@@ -41,7 +41,7 @@ public:
 			status_t			PublishVNode(vnode_id vnid, fs_vnode node);
 			status_t			RemoveVNode(vnode_id vnid);
 			status_t			UnremoveVNode(vnode_id vnid);
-			status_t			IsVNodeRemoved(vnode_id vnid);
+			status_t			GetVNodeRemoved(vnode_id vnid, bool* removed);
 
 			// FS
 			status_t			Mount(const char* device, uint32 flags,

src/add-ons/kernel/file_systems/userlandfs/private/Requests.cpp

@@ -276,13 +276,14 @@ ReadQueryReply::GetAddressInfos(AddressInfo* infos, int32* count)
 status_t
 NotifyListenerRequest::GetAddressInfos(AddressInfo* infos, int32* count)
 {
+	ADD_STRING(oldName);
 	ADD_STRING(name);
 	return B_OK;
 }
 
-// SendNotificationRequest
+// NotifyQueryRequest
 status_t
-SendNotificationRequest::GetAddressInfos(AddressInfo* infos, int32* count)
+NotifyQueryRequest::GetAddressInfos(AddressInfo* infos, int32* count)
 {
 	ADD_STRING(name);
 	return B_OK;
@@ -635,11 +636,11 @@ UserlandFSUtil::is_kernel_request(uint32 type)
 		// notifications
 		case NOTIFY_LISTENER_REQUEST:
 		case NOTIFY_SELECT_EVENT_REQUEST:
-		case SEND_NOTIFICATION_REQUEST:
+		case NOTIFY_QUERY_REQUEST:
 			return false;
 		case NOTIFY_LISTENER_REPLY:
 		case NOTIFY_SELECT_EVENT_REPLY:
-		case SEND_NOTIFICATION_REPLY:
+		case NOTIFY_QUERY_REPLY:
 			return true;
 		// vnodes
 		case GET_VNODE_REQUEST:
@@ -648,7 +649,7 @@ UserlandFSUtil::is_kernel_request(uint32 type)
 		case PUBLISH_VNODE_REQUEST:
 		case REMOVE_VNODE_REQUEST:
 		case UNREMOVE_VNODE_REQUEST:
-		case IS_VNODE_REMOVED_REQUEST:
+		case GET_VNODE_REMOVED_REQUEST:
 			return false;
 		case GET_VNODE_REPLY:
 		case PUT_VNODE_REPLY:
@@ -656,7 +657,7 @@ UserlandFSUtil::is_kernel_request(uint32 type)
 		case PUBLISH_VNODE_REPLY:
 		case REMOVE_VNODE_REPLY:
 		case UNREMOVE_VNODE_REPLY:
-		case IS_VNODE_REMOVED_REPLY:
+		case GET_VNODE_REMOVED_REPLY:
 			return true;
 
 		// general reply
@@ -835,11 +836,11 @@ UserlandFSUtil::is_userland_request(uint32 type)
 		// notifications
 		case NOTIFY_LISTENER_REQUEST:
 		case NOTIFY_SELECT_EVENT_REQUEST:
-		case SEND_NOTIFICATION_REQUEST:
+		case NOTIFY_QUERY_REQUEST:
 			return true;
 		case NOTIFY_LISTENER_REPLY:
 		case NOTIFY_SELECT_EVENT_REPLY:
-		case SEND_NOTIFICATION_REPLY:
+		case NOTIFY_QUERY_REPLY:
 			return false;
 		// vnodes
 		case GET_VNODE_REQUEST:
@@ -848,7 +849,7 @@ UserlandFSUtil::is_userland_request(uint32 type)
 		case PUBLISH_VNODE_REQUEST:
 		case REMOVE_VNODE_REQUEST:
 		case UNREMOVE_VNODE_REQUEST:
-		case IS_VNODE_REMOVED_REQUEST:
+		case GET_VNODE_REMOVED_REQUEST:
 			return true;
 		case GET_VNODE_REPLY:
 		case PUT_VNODE_REPLY:
@@ -856,7 +857,7 @@ UserlandFSUtil::is_userland_request(uint32 type)
 		case PUBLISH_VNODE_REPLY:
 		case REMOVE_VNODE_REPLY:
 		case UNREMOVE_VNODE_REPLY:
-		case IS_VNODE_REMOVED_REPLY:
+		case GET_VNODE_REMOVED_REPLY:
 			return false;
 
 		// general reply

src/add-ons/kernel/file_systems/userlandfs/server/BeOSKernelVolume.cpp

@@ -213,7 +213,7 @@ BeOSKernelVolume::Select(fs_vnode node, fs_cookie cookie, uint8 event,
 	uint32 ref, selectsync* sync)
 {
 	if (!fFSOps->select) {
-		UserlandFS::KernelEmu::notify_select_event(sync, ref, event);
+		UserlandFS::KernelEmu::notify_select_event(sync, ref, event, false);
 		return B_OK;
 	}
 	return fFSOps->select(fVolumeCookie, node, cookie, event, ref, sync);

src/add-ons/kernel/file_systems/userlandfs/server/beos_kernel_emu.cpp

@@ -4,12 +4,15 @@
 #include <stdio.h>
 #include <stdlib.h>
 
+#include <NodeMonitor.h>
+
 #include <legacy/cache.h>
 #include <legacy/fsproto.h>
 #include <legacy/lock.h>
 
 #include "beos_fs_cache.h"
 #include "beos_lock.h"
+#include "Debug.h"
 #include "kernel_emu.h"
 
 
@@ -39,26 +42,83 @@ int
 notify_listener(int op, nspace_id nsid, vnode_id vnida,	vnode_id vnidb,
 	vnode_id vnidc, const char *name)
 {
-	return UserlandFS::KernelEmu::notify_listener(op, nsid, vnida, vnidb, vnidc,
-		name);
+	switch (op) {
+		case B_ENTRY_CREATED:
+		case B_ENTRY_REMOVED:
+			if (!name)
+				name = "";
+			return UserlandFS::KernelEmu::notify_listener(op, 0, nsid, 0,
+				vnida, vnidc, NULL, name);
+
+		case B_ENTRY_MOVED:
+			if (!name)
+				name = "";
+			// the old entry name is not available with the old interface
+			return UserlandFS::KernelEmu::notify_listener(op, 0, nsid, vnida,
+				vnidb, vnidc, "", name);
+
+		case B_STAT_CHANGED:
+		{
+			// we don't know what stat field changed, so we mark them all
+			uint32 statFields = B_STAT_MODE | B_STAT_UID | B_STAT_GID
+				| B_STAT_SIZE | B_STAT_ACCESS_TIME | B_STAT_MODIFICATION_TIME
+				| B_STAT_CREATION_TIME | B_STAT_CHANGE_TIME;
+			return UserlandFS::KernelEmu::notify_listener(op, statFields, nsid,
+				0, vnida, vnidc, NULL, NULL);
+		}
+
+		case B_ATTR_CHANGED:
+			if (!name)
+				name = "";
+			return UserlandFS::KernelEmu::notify_listener(op, B_ATTR_CHANGED,
+				nsid, 0, vnida, vnidc, NULL, name);
+
+		default:
+			return B_BAD_VALUE;
+	}
 }
 
 // notify_select_event
 void
 notify_select_event(selectsync *sync, uint32 ref)
 {
-	// TODO: Check what best to supply as event arg!
-	UserlandFS::KernelEmu::notify_select_event(sync, ref, 0);
+	UserlandFS::KernelEmu::notify_select_event(sync, ref, 0, true);
 }
 
 // send_notification
 int
 send_notification(port_id port, long token, ulong what, long op,
-	nspace_id nsida, nspace_id nsidb, vnode_id vnida, vnode_id vnidb,
+	nspace_id nsida, nspace_id /*nsidb*/, vnode_id vnida, vnode_id vnidb,
 	vnode_id vnidc, const char *name)
 {
-	return UserlandFS::KernelEmu::send_notification(port, token, what, op,
-		nsida, nsidb, vnida, vnidb, vnidc, name);
+	if (what != B_QUERY_UPDATE)
+		return B_BAD_VALUE;
+
+	// check the name
+	if (!name)
+		name = "";
+
+	switch (op) {
+		case B_ENTRY_CREATED:
+		case B_ENTRY_REMOVED:
+			return UserlandFS::KernelEmu::notify_query(port, token, op, nsida,
+				vnida, name, vnidc);
+		case B_ENTRY_MOVED:
+		{
+			// translate to a B_ENTRY_REMOVED + B_ENTRY_CREATED pair
+			// We do at least miss the original name though.
+			status_t error = UserlandFS::KernelEmu::notify_query(port, token,
+				B_ENTRY_REMOVED, nsida, vnida, "", vnidc);
+			if (error != B_OK)
+				return error;
+
+			return UserlandFS::KernelEmu::notify_query(port, token,
+				B_ENTRY_CREATED, nsida, vnidb, name, vnidc);
+		}
+
+		default:
+			return B_BAD_VALUE;
+	}
 }
 
 
@@ -106,7 +166,12 @@ unremove_vnode(nspace_id nsid, vnode_id vnid)
 int
 is_vnode_removed(nspace_id nsid, vnode_id vnid)
 {
-	return UserlandFS::KernelEmu::is_vnode_removed(nsid, vnid);
+	bool removed;
+	status_t error = UserlandFS::KernelEmu::get_vnode_removed(nsid, vnid,
+		&removed);
+	if (error != B_OK)
+		return error;
+	return (removed ? 1 : 0);
 }
 
 

src/add-ons/kernel/file_systems/userlandfs/server/kernel_emu.cpp

@@ -123,8 +123,9 @@ get_port_and_fs(RequestPort** port, FileSystem** fileSystem)
 
 // notify_listener
 status_t
-UserlandFS::KernelEmu::notify_listener(int op, mount_id nsid, vnode_id vnida,
-	vnode_id vnidb, vnode_id vnidc, const char *name)
+UserlandFS::KernelEmu::notify_listener(int32 operation, uint32 details,
+	mount_id device, vnode_id oldDirectory, vnode_id directory,
+	vnode_id node, const char* oldName, const char* name)
 {
 	// get the request port and the file system
 	RequestPort* port;
@@ -140,11 +141,15 @@ UserlandFS::KernelEmu::notify_listener(int op, mount_id nsid, vnode_id vnida,
 	if (error != B_OK)
 		return error;
 
-	request->operation = op;
-	request->nsid = nsid;
-	request->vnida = vnida;
-	request->vnidb = vnidb;
-	request->vnidc = vnidc;
+	request->operation = operation;
+	request->details = details;
+	request->device = device;
+	request->oldDirectory = oldDirectory;
+	request->directory = directory;
+	request->node = node;
+	error = allocator.AllocateString(request->oldName, oldName);
+	if (error != B_OK)
+		return error;
 	error = allocator.AllocateString(request->name, name);
 	if (error != B_OK)
 		return error;
@@ -166,7 +171,7 @@ UserlandFS::KernelEmu::notify_listener(int op, mount_id nsid, vnode_id vnida,
 // notify_select_event
 void
 UserlandFS::KernelEmu::notify_select_event(selectsync *sync, uint32 ref,
-	uint8 event)
+	uint8 event, bool unspecifiedEvent)
 {
 	// get the request port and the file system
 	RequestPort* port;
@@ -185,6 +190,7 @@ UserlandFS::KernelEmu::notify_select_event(selectsync *sync, uint32 ref,
 	request->sync = sync;
 	request->ref = ref;
 	request->event = event;
+	request->unspecifiedEvent = unspecifiedEvent;
 
 	// send the request
 	UserlandRequestHandler handler(fileSystem, NOTIFY_SELECT_EVENT_REPLY);
@@ -199,9 +205,9 @@ UserlandFS::KernelEmu::notify_select_event(selectsync *sync, uint32 ref,
 
 // send_notification
 status_t
-UserlandFS::KernelEmu::send_notification(port_id targetPort, long token,
-	ulong what, long op, mount_id nsida, mount_id nsidb, vnode_id vnida,
-	vnode_id vnidb, vnode_id vnidc, const char *name)
+UserlandFS::KernelEmu::notify_query(port_id targetPort, int32 token,
+	int32 operation, mount_id device, vnode_id directory, const char* name,
+	vnode_id node)
 {
 	// get the request port and the file system
 	RequestPort* port;
@@ -212,27 +218,24 @@ UserlandFS::KernelEmu::send_notification(port_id targetPort, long token,
 
 	// prepare the request
 	RequestAllocator allocator(port->GetPort());
-	SendNotificationRequest* request;
+	NotifyQueryRequest* request;
 	error = AllocateRequest(allocator, &request);
 	if (error != B_OK)
 		return error;
 
 	request->port = targetPort;
 	request->token = token;
-	request->what = what;
-	request->operation = op;
-	request->nsida = nsida;
-	request->nsidb = nsidb;
-	request->vnida = vnida;
-	request->vnidb = vnidb;
-	request->vnidc = vnidc;
+	request->operation = operation;
+	request->device = device;
+	request->directory = directory;
+	request->node = node;
 	error = allocator.AllocateString(request->name, name);
 	if (error != B_OK)
 		return error;
 
 	// send the request
-	UserlandRequestHandler handler(fileSystem, SEND_NOTIFICATION_REPLY);
-	SendNotificationReply* reply;
+	UserlandRequestHandler handler(fileSystem, NOTIFY_QUERY_REPLY);
+	NotifyQueryReply* reply;
 	error = port->SendRequest(&allocator, &handler, (Request**)&reply);
 	if (error != B_OK)
 		return error;
@@ -462,9 +465,10 @@ UserlandFS::KernelEmu::unremove_vnode(mount_id nsid, vnode_id vnid)
 	return error;
 }
 
-// is_vnode_removed
+// get_vnode_removed
 status_t
-UserlandFS::KernelEmu::is_vnode_removed(mount_id nsid, vnode_id vnid)
+UserlandFS::KernelEmu::get_vnode_removed(mount_id nsid, vnode_id vnid,
+	bool* removed)
 {
 	// get the request port and the file system
 	RequestPort* port;
@@ -475,7 +479,7 @@ UserlandFS::KernelEmu::is_vnode_removed(mount_id nsid, vnode_id vnid)
 
 	// prepare the request
 	RequestAllocator allocator(port->GetPort());
-	IsVNodeRemovedRequest* request;
+	GetVNodeRemovedRequest* request;
 	error = AllocateRequest(allocator, &request);
 	if (error != B_OK)
 		return error;
@@ -484,17 +488,16 @@ UserlandFS::KernelEmu::is_vnode_removed(mount_id nsid, vnode_id vnid)
 	request->vnid = vnid;
 
 	// send the request
-	UserlandRequestHandler handler(fileSystem, IS_VNODE_REMOVED_REPLY);
-	IsVNodeRemovedReply* reply;
+	UserlandRequestHandler handler(fileSystem, GET_VNODE_REMOVED_REPLY);
+	GetVNodeRemovedReply* reply;
 	error = port->SendRequest(&allocator, &handler, (Request**)&reply);
 	if (error != B_OK)
 		return error;
 	RequestReleaser requestReleaser(port, reply);
 
 	// process the reply
-	if (reply->error != B_OK)
-		return reply->error;
-	return reply->result;
+	*removed = reply->removed;
+	return reply->error;
 }
 
 // #pragma mark -

src/add-ons/kernel/file_systems/userlandfs/server/kernel_emu.h

@@ -14,12 +14,13 @@ typedef void*	fs_vnode;
 int new_path(const char *path, char **copy);
 void free_path(char *p);
 
-status_t notify_listener(int op, mount_id nsid, vnode_id vnida, vnode_id vnidb,
-	vnode_id vnidc, const char *name);
-void notify_select_event(selectsync *sync, uint32 ref, uint8 event);
-status_t send_notification(port_id targetPort, long token, ulong what, long op,
-	mount_id nsida, mount_id nsidb, vnode_id vnida, vnode_id vnidb,
-	vnode_id vnidc, const char *name);
+status_t notify_listener(int32 operation, uint32 details, mount_id device,
+	vnode_id oldDirectory, vnode_id directory, vnode_id node,
+	const char* oldName, const char* name);
+void notify_select_event(selectsync *sync, uint32 ref, uint8 event,
+	bool unspecifiedEvent);
+status_t notify_query(port_id port, int32 token, int32 operation,
+	mount_id device, vnode_id directory, const char* name, vnode_id node);
 
 status_t get_vnode(mount_id nsid, vnode_id vnid, fs_vnode* data);
 status_t put_vnode(mount_id nsid, vnode_id vnid);
@@ -27,7 +28,7 @@ status_t new_vnode(mount_id nsid, vnode_id vnid, fs_vnode data);
 status_t publish_vnode(mount_id nsid, vnode_id vnid, fs_vnode data);
 status_t remove_vnode(mount_id nsid, vnode_id vnid);
 status_t unremove_vnode(mount_id nsid, vnode_id vnid);
-status_t is_vnode_removed(mount_id nsid, vnode_id vnid);
+status_t get_vnode_removed(mount_id nsid, vnode_id vnid, bool* removed);
 
 void kernel_debugger(const char *message);
 void panic(const char *format, ...);