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-rw-r--r--src/fuse/cow.h23
1 files changed, 16 insertions, 7 deletions
diff --git a/src/fuse/cow.h b/src/fuse/cow.h
index 298ce4e..7f2c6bb 100644
--- a/src/fuse/cow.h
+++ b/src/fuse/cow.h
@@ -2,7 +2,7 @@
* cow.h
*
* Created on: 22.08.2018
- * Author: michael
+ * Author: Michael Scherle
*/
#ifndef COW_H_
@@ -22,20 +22,29 @@ typedef struct cow_request{
struct cow_request *dependencies[6];
struct cow_request *myDependencies[6];
dnbd3_signal_t* signal;
-}cow_request;
+} cow_request;
-bool create_cow_file(char *cow_path, char *image_Name,uint64_t imageSize);
+typedef struct {
+ uint32_t version;
+ uint64_t imageSize;
+ uint32_t nameLenght;
+ uint32_t pageSize;
+} cow_metadata;
+
+
+bool cow_createFile(char *cow_path, char *image_Name,uint64_t imageSize);
bool createBigBlock(unsigned long id);
+int cow_read(char *buf, size_t size, off_t offset);
+uint64_t cow_loadFile( char *cow_path, uint64_t imageSize );
+
+int readBigBlock(long bigBlockId ,char *buf,size_t size, off_t offset);
void onClose();
cow_request getAccess(off_t offset,size_t size);
void closeAcccess(cow_request *request);
int write_cow(const char *data, size_t size, off_t offset);
-
int writeToBigBlock(unsigned long bigBlockId,const char *data, off_t offset,size_t size);
int getSmallBlockId(off_t offset);
-int cow_read(char *buf, size_t size, off_t offset);
-int readBigBlock(long bigBlockId ,char *buf,size_t size, off_t offset);
-void test();
+void test();
#endif /* COW_H_ */