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Diffstat (limited to 'src/journal.h')
| -rw-r--r-- | src/journal.h | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/src/journal.h b/src/journal.h new file mode 100644 index 0000000..34ada1a --- /dev/null +++ b/src/journal.h @@ -0,0 +1,47 @@ +/*************************************************************************** + * Copyright (C) 2010 by Roberto Maar * + * robi@users.berlios.de * + * * + * This program is free software; you can redistribute it and/or modify * + * it under the terms of the GNU General Public License as published by * + * the Free Software Foundation; either version 2 of the License, or * + * (at your option) any later version. * + * * + * This program is distributed in the hope that it will be useful, * + * but WITHOUT ANY WARRANTY; without even the implied warranty of * + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * + * GNU General Public License for more details. * + * * + * You should have received a copy of the GNU General Public License * + * along with this program; if not, write to the * + * Free Software Foundation, Inc., * + * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. * + ***************************************************************************/ +#ifndef JOURNAL_H +#define JOURNAL_H + + +//struct for cache the descriptor data +typedef struct journal_descriptor_tag_s +{ + blk64_t f_blocknr; /* Tho od-disk block number */ + __u32 j_blocknr; /* The on-journal block number */ + __u32 transaction; /* Transaction Sequence*/ +} journal_descriptor_tag_t; + + +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(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 + + +#endif
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