nfs4: Remove unused entries from inode number to filehandle map

src/add-ons/kernel/file_systems/nfs4/InodeIdMap.h

@@ -19,6 +19,7 @@ class InodeIdMap {
 public:
 	inline	status_t						AddEntry(const FileInfo& fi,
 												ino_t id);
+	inline	status_t						RemoveEntry(ino_t id);
 	inline	status_t						GetFileInfo(FileInfo* fi, ino_t id);
 
 private:
@@ -34,6 +35,13 @@ InodeIdMap::AddEntry(const FileInfo& fi, ino_t id)
 }
 
 
+inline status_t
+InodeIdMap::RemoveEntry(ino_t id)
+{
+	return fMap.Remove(id);
+}
+
+
 inline status_t
 InodeIdMap::GetFileInfo(FileInfo* fi, ino_t id)
 {

src/add-ons/kernel/file_systems/nfs4/kernel_interface.cpp

@@ -197,6 +197,7 @@ static status_t
 nfs4_put_vnode(fs_volume* volume, fs_vnode* vnode, bool reenter)
 {
 	Inode* inode = reinterpret_cast<Inode*>(vnode->private_node);
+	inode->FileSystem()->InoIdMap()->RemoveEntry(inode->ID());
 	delete inode;
 
 	return B_OK;