Added a IsSubSystemFor() method to the KDiskSystem interface and respective calls for the module interfaces.

git-svn-id: file:///srv/svn/repos/haiku/trunk/current@3996 a95241bf-73f2-0310-859d-f6bbb57e9c96

headers/private/kernel/disk_device_manager/KDiskSystem.h

@@ -64,6 +64,7 @@ public:
 	virtual bool SupportsInitializing(KPartition *partition);
 	virtual bool SupportsInitializingChild(KPartition *child,
 										   const char *diskSystem);
+	virtual bool IsSubSystemFor(KPartition *partition);
 
 	virtual bool ValidateResize(KPartition *partition, off_t *size);
 	virtual bool ValidateResizeChild(KPartition *partition, off_t *size);

headers/private/kernel/disk_device_manager/KFileSystem.h

@@ -40,6 +40,7 @@ public:
 	virtual bool SupportsSettingContentName(KPartition *partition,
 											bool *whileMounted);
 	virtual bool SupportsInitializing(KPartition *partition);
+	virtual bool IsSubSystemFor(KPartition *partition);
 
 	virtual bool ValidateResize(KPartition *partition, off_t *size);
 	virtual bool ValidateMove(KPartition *partition, off_t *start);

headers/private/kernel/disk_device_manager/KPartitioningSystem.h

@@ -44,6 +44,7 @@ public:
 	virtual bool SupportsInitializing(KPartition *partition);
 	virtual bool SupportsInitializingChild(KPartition *child,
 										   const char *diskSystem);
+	virtual bool IsSubSystemFor(KPartition *partition);
 
 	virtual bool ValidateResize(KPartition *partition, off_t *size);
 	virtual bool ValidateResizeChild(KPartition *partition, off_t *size);

headers/private/kernel/disk_device_manager/ddm_modules.h

@@ -47,6 +47,7 @@ typedef bool (*partition_supports_initializing_partition)(
 	partition_data *partition);
 typedef bool (*partition_supports_initializing_child_partition)(
 	partition_data *partition, const char *system);
+typedef bool (*partition_is_sub_system_for)(partition_data *partition);
 
 typedef bool (*partition_validate_resize_partition)(partition_data *partition,
 	off_t *size);
@@ -75,10 +76,10 @@ typedef bool (*partition_get_partitionable_spaces)(partition_data *partition,
 	partitionable_space_data *spaces, int32 count, int32 *actualCount);
 	// When not implemented, a standard algorithm is used.
 
-typedef bool (*partition_get_next_supported_type)(partition_data *partition,
+typedef status_t (*partition_get_next_supported_type)(
-	int32 *cookie, char *type);
+	partition_data *partition, int32 *cookie, char *type);
-typedef bool (*partition_get_type_for_content_type)(partition_data *partition,
+typedef status_t (*partition_get_type_for_content_type)(
-	const char *contentType, char *type);
+	partition_data *partition, const char *contentType, char *type);
 
 // writing
 // (device is NOT locked)
@@ -142,6 +143,7 @@ typedef struct partition_module_info {
 			supports_initializing_partition;
 	partition_supports_initializing_child_partition
 			supports_initializing_child_partition;
+	partition_is_sub_system_for					is_sub_system_for;
 
 	partition_validate_resize_partition			validate_resize_partition;
 	partition_validate_resize_child_partition
@@ -205,6 +207,7 @@ typedef bool (*fs_supports_moving_partition)(partition_data *partition,
 typedef bool (*fs_supports_setting_content_name)(partition_data *partition,
 	bool *whileMounted);
 typedef bool (*fs_supports_initializing_partition)(partition_data *partition);
+typedef bool (*fs_is_sub_system_for)(partition_data *partition);
 
 typedef bool (*fs_validate_resize_partition)(partition_data *partition,
 	off_t *size);
@@ -255,6 +258,7 @@ typedef struct fs_module_info {
 	fs_supports_setting_content_name			supports_setting_content_name;
 	fs_supports_initializing_partition
 			supports_initializing_partition;
+	fs_is_sub_system_for						is_sub_system_for;
 
 	fs_validate_resize_partition				validate_resize_partition;
 	fs_validate_move_partition					validate_move_partition;

src/add-ons/kernel/disk_scanner/fs/bfs.c

@@ -277,6 +277,7 @@ static fs_module_info bfs_module = {
 	NULL,								// supports_moving_partition
 	NULL,								// supports_setting_content_name
 	NULL,								// supports_initializing_partition
+	NULL,								// is_sub_system_for
 
 	NULL,								// validate_resize_partition
 	NULL,								// validate_move_partition

src/add-ons/kernel/partitioning_systems/intel/intel.cpp

@@ -319,6 +319,7 @@ static partition_module_info intel_partition_map_module = {
 	NULL,								// supports_deleting_child_partition
 	NULL,								// supports_initializing_partition
 	NULL,							// supports_initializing_child_partition
+	NULL,								// is_sub_system_for
 
 	NULL,								// validate_resize_partition
 	NULL,								// validate_resize_child_partition
@@ -395,6 +396,7 @@ static partition_module_info intel_extended_partition_module = {
 	NULL,								// supports_deleting_child_partition
 	NULL,								// supports_initializing_partition
 	NULL,							// supports_initializing_child_partition
+	NULL,								// is_sub_system_for
 
 	NULL,								// validate_resize_partition
 	NULL,								// validate_resize_child_partition

src/kernel/core/disk_device_manager/KDiskSystem.cpp

@@ -271,6 +271,14 @@ KDiskSystem::SupportsInitializingChild(KPartition *child,
 	return false;
 }
 
+// IsSubSystemFor
+bool
+KDiskSystem::IsSubSystemFor(KPartition *partition)
+{
+	// to be implemented by derived classes
+	return false;
+}
+
 // ValidateResize
 bool
 KDiskSystem::ValidateResize(KPartition *partition, off_t *size)

src/kernel/core/disk_device_manager/KFileSystem.cpp

@@ -150,6 +150,14 @@ KFileSystem::SupportsInitializing(KPartition *partition)
 	return false;
 }
 
+// IsSubSystemFor
+bool
+KFileSystem::IsSubSystemFor(KPartition *partition)
+{
+	// to be implemented
+	return false;
+}
+
 // ValidateResize
 bool
 KFileSystem::ValidateResize(KPartition *partition, off_t *size)

src/kernel/core/disk_device_manager/KPartitioningSystem.cpp

@@ -205,6 +205,14 @@ KPartitioningSystem::SupportsInitializingChild(KPartition *child,
 	return false;
 }
 
+// IsSubSystemFor
+bool
+KPartitioningSystem::IsSubSystemFor(KPartition *partition)
+{
+	// to be implemented
+	return false;
+}
+
 // ValidateResize
 bool
 KPartitioningSystem::ValidateResize(KPartition *partition, off_t *size)