Added BPartition::Uninitialize(). No CanUninitialize(), but

uninitialization does not affect the physical partition, anyway. The
system simply marks the partition as uninitialized for the current
session -- after rebooting it re-appears unchanged.


git-svn-id: file:///srv/svn/repos/haiku/trunk/current@4777 a95241bf-73f2-0310-859d-f6bbb57e9c96

headers/private/storage/Partition.h

@@ -118,6 +118,7 @@ public:
 								const char *parameters);
 	status_t Initialize(const char *diskSystem, const char *name,
 						const char *parameters);
+	status_t Uninitialize();
 	
 	// Modification of child partitions
 

src/kits/storage/Partition.cpp

@@ -823,6 +823,19 @@ BPartition::Initialize(const char *diskSystem, const char *name,
 	return error;
 }
 
+// Uninitialize
+status_t
+BPartition::Uninitialize()
+{
+	if (!fPartitionData || !_IsShadow())
+		return B_BAD_VALUE;
+	status_t error = _kern_uninitialize_partition(_ShadowID(),
+												  _ChangeCounter());
+	if (error == B_OK)
+		error = Device()->Update();
+	return error;
+}
+
 // CanCreateChild
 bool
 BPartition::CanCreateChild() const