Implemented vfs_get_file_map() and vfs_lookup_vnode().

git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@29393 a95241bf-73f2-0310-859d-f6bbb57e9c96

src/add-ons/kernel/file_systems/userlandfs/server/haiku/HaikuKernelVolume.cpp

@@ -144,6 +144,14 @@ HaikuKernelVolume::UndoPublishVNode(HaikuKernelNode* node)
 }
 
 
+// NodeWithID
+HaikuKernelNode*
+HaikuKernelVolume::NodeWithID(ino_t vnodeID) const
+{
+	return fNodes->Get(vnodeID);
+}
+
+
 // #pragma mark -
 // #pragma mark ----- FS -----
 

src/add-ons/kernel/file_systems/userlandfs/server/haiku/HaikuKernelVolume.h

@@ -33,6 +33,8 @@ public:
 			void				UndoNewVNode(HaikuKernelNode* node);
 			void				UndoPublishVNode(HaikuKernelNode* node);
 
+			HaikuKernelNode*	NodeWithID(ino_t vnodeID) const;
+
 	// FS
 	virtual	status_t			Mount(const char* device, uint32 flags,
 									const char* parameters, ino_t* rootID);

src/add-ons/kernel/file_systems/userlandfs/server/haiku/haiku_kernel_emu.cpp

@@ -1,4 +1,7 @@
-// beos_kernel_emu.cpp
+/*
+ * Copyright 2009, Ingo Weinhold, [email protected].
+ * Distributed under the terms of the MIT License.
+ */
 
 #include <stdarg.h>
 #include <stdio.h>
@@ -12,6 +15,7 @@
 
 #include "Debug.h"
 
+#include "../FileSystem.h"
 #include "../kernel_emu.h"
 
 #include "HaikuKernelNode.h"
@@ -251,16 +255,29 @@ status_t
 vfs_get_file_map(struct vnode *vnode, off_t offset, size_t size,
 	struct file_io_vec *vecs, size_t *_count)
 {
-	// TODO: Implement!
-	return B_BAD_VALUE;
+	HaikuKernelNode* node = (HaikuKernelNode*)vnode;
+
+	return node->volume->GetFileMap(node, offset, size, vecs, _count);
 }
 
 
 status_t
 vfs_lookup_vnode(dev_t mountID, ino_t vnodeID, struct vnode **_vnode)
 {
-	// TODO: Implement!
-	return B_BAD_VALUE;
+	// get the volume
+	HaikuKernelVolume* volume = dynamic_cast<HaikuKernelVolume*>(
+		FileSystem::GetInstance()->VolumeWithID(mountID));
+	if (volume == NULL)
+		return B_BAD_VALUE;
+
+	// get the node
+	HaikuKernelNode* node = volume->NodeWithID(vnodeID);
+	if (node == NULL)
+		return B_BAD_VALUE;
+
+	*_vnode = (struct vnode*)node;
+
+	return B_OK;
 }