Serialization support for cow images

dev/disk_image.cc:
dev/disk_image.hh:
    Serialization of cow images

--HG--
extra : convert_revision : 144179b8cad00b32df8c448a8556a465e24737aa

1 files changed, 4 insertions, 1 deletions

diff --git a/dev/disk_image.hh b/dev/disk_image.hh
index 12048a042..7b2c12ef7 100644
--- a/dev/disk_image.hh
+++ b/dev/disk_image.hh
@@ -117,9 +117,12 @@ class CowDiskImage : public DiskImage
     ~CowDiskImage();
 
     void init(int hash_size);
-    bool open();
+    bool open(const std::string &file);
     void save();
+    void save(const std::string &file);
     void writeback();
+    void serialize(std::ostream &os);
+    void unserialize(Checkpoint *cp, const std::string &section);
 
     virtual off_t size() const;