magic functions part2 (inactiv)

1 files changed, 31 insertions, 3 deletions

diff --git a/src/journal.h b/src/journal.h
index c4bf5d3..9a05fbc 100644
--- a/src/journal.h
+++ b/src/journal.h
@@ -24,25 +24,53 @@
 //struct for cache the descriptor data
 typedef struct journal_descriptor_tag_s
 {
-	blk64_t		f_blocknr;	/* Tho od-disk block number */
+	blk64_t		f_blocknr;	/* The on-disk block number */
 	__u32		j_blocknr;	/* The on-journal block number */
 	__u32		transaction; 	/* Transaction Sequence*/
 } journal_descriptor_tag_t;
 
+//struct for cache the block bitmap data
+typedef struct journal_bitmap_tag_s
+{
+	blk64_t		blockgroup;	/* The blockgroup of bitmap */
+	__u32		j_blocknr;	/* The on-journal block number */
+	__u32		transaction;	/* Transaction Sequence*/
+} journal_bitmap_tag_t;
+
+
+struct j_bitmap_list_t
+{
+	int 			count;
+	journal_bitmap_tag_t 	*list;
+	__u32			groups;
+	__u32			first_trans;
+	__u32			last_trans;
+	journal_bitmap_tag_t 	*pointer;	
+	unsigned int 		blocksize ;
+	unsigned int 		blocklen ;
+	unsigned int 		last_blocklen ;
+	char*			block_buf;
+		
+};
 
 void dump_journal_superblock( void); //print journal superblock
 extern int journal_open(char* , int );// open an extract the blocklist from journal 
 extern int journal_close(void); // close the journal (last function in main() if the journal open)
 static int init_journal(void); // main for extract the journal to the local private data
 static const char *type_to_name(int);
-int get_block_list_count(blk64_t block);//get count of journal blocklist 
+int get_block_list_count(blk64_t);//get count of journal blocklist 
 __u32 get_trans_time( __u32); //get the transactiontime of a transactionnumber
-int get_block_list(journal_descriptor_tag_t *, blk64_t, int);//get a sortet list of all copys of a filesystemblock
+int get_block_list(journal_descriptor_tag_t*, blk64_t, int);//get a sortet list of all copys of a filesystemblock
 int read_journal_block(off_t, char*, int, unsigned int*);
 void print_block_list(int);
 int dump_journal_block( __u32 , int );
 void print_block_transaction(blk64_t,int);//print all transactions for a fs-block
 __u32 get_journal_blocknr(blk64_t, __u32);// get the last dir-block for transaction from journal or if not found the real block
 
+int get_last_block(char*,  blk_t*, __u32, __u32);// get the last dir-block for transaction from journal or if not, found the real block
+int get_block_bitmap_list( journal_bitmap_tag_t**);//get a list of all copies of blockbitmap from journal
+int init_block_bitmap_list(ext2fs_block_bitmap* , __u32); //create and init the the journal block bitmap
+void clear_block_bitmap_list(ext2fs_block_bitmap); //destroy the journal block bitmap
+int next_block_bitmap(ext2fs_block_bitmap); //produces a differential block bitmap for a transaction from the Journal
 
 #endif
\ No newline at end of file