* Renamed ddm_user_interface.cpp to ddm_userland_interface.cpp which

matches the name of the header much better. :-)
* Implemented the syscalls for iterating through and finding disk systems.


git-svn-id: file:///srv/svn/repos/haiku/trunk/current@3902 a95241bf-73f2-0310-859d-f6bbb57e9c96

headers/private/kernel/disk_device_manager/KDiskDeviceManager.h

@@ -76,8 +76,8 @@ public:
 	// Disk Systems
 
 	// manager must be locked
-	KDiskSystem *DiskSystemWithName(const char *name);
-	KDiskSystem *DiskSystemWithID(disk_system_id id);
+	KDiskSystem *FindDiskSystem(const char *name);
+	KDiskSystem *FindDiskSystem(disk_system_id id);
 	int32 CountDiskSystems();
 	KDiskSystem *NextDiskSystem(int32 *cookie);
 

headers/private/kernel/disk_device_manager/KDiskSystem.h

@@ -5,6 +5,8 @@
 
 #include "disk_device_manager.h"
 
+struct user_disk_system_info;
+
 namespace BPrivate {
 namespace DiskDevice {
 
@@ -26,6 +28,8 @@ public:
 	virtual bool IsFileSystem() const;
 	bool IsPartitioningSystem() const;
 
+	void GetInfo(user_disk_system_info *info);
+
 	// manager will be locked
 	status_t Load();		// load/unload -- can be nested
 	void Unload();			//