block cache support.

git-svn-id: https://profuse.googlecode.com/svn/branches/v2@220 aa027e90-d47c-11dd-86d7-074df07e0730

Device/DiskImage.cpp

@@ -11,6 +11,8 @@
 #include <Device/DiskImage.h>
 #include <File/MappedFile.h>
 
+#include <Cache/MappedBlockCache.h>
+
 #include <ProFUSE/Exception.h>
 
 
@@ -190,6 +192,15 @@ void ProDOSOrderDiskImage::Validate(MappedFile *f)
     
 }
 
+BlockCache *ProDOSOrderDiskImage::createBlockCache(unsigned size)
+{
+    return new MappedBlockCache(this, address());
+}
+
+#pragma mark -
+#pragma mark DOS Order Disk Image
+
+
 /*
 DOSOrderDiskImage::DOSOrderDiskImage(const char *name, bool readOnly) :
     DiskImage(name, readOnly)