thin-provisioning-tools/era/metadata.h

55 lines
1.3 KiB
C
Raw Normal View History

2014-01-23 06:16:03 +05:30
#ifndef ERA_METADATA_H
#define ERA_METADATA_H
#include "base/endian_utils.h"
#include "persistent-data/block.h"
#include "persistent-data/data-structures/array.h"
#include "persistent-data/data-structures/bitset.h"
#include "persistent-data/space-maps/disk.h"
#include "persistent-data/transaction_manager.h"
#include "era/superblock.h"
#include "era/writeset_tree.h"
2014-01-23 06:16:03 +05:30
#include "era/era_array.h"
//----------------------------------------------------------------
namespace era {
class metadata {
public:
enum open_type {
CREATE,
OPEN
};
typedef block_manager<>::read_ref read_ref;
typedef block_manager<>::write_ref write_ref;
typedef boost::shared_ptr<metadata> ptr;
metadata(block_manager<>::ptr bm, open_type ot);
2014-01-31 22:01:27 +05:30
metadata(block_manager<>::ptr bm, block_address metadata_snap);
2014-08-07 20:13:01 +05:30
void commit();
2014-01-23 06:16:03 +05:30
typedef persistent_data::transaction_manager tm;
tm::ptr tm_;
superblock sb_;
checked_space_map::ptr metadata_sm_;
writeset_tree::ptr writeset_tree_;
2014-01-23 06:16:03 +05:30
era_array::ptr era_array_;
private:
2014-01-31 22:01:27 +05:30
void open_metadata(block_manager<>::ptr bm,
block_address loc = SUPERBLOCK_LOCATION);
2014-08-07 20:13:01 +05:30
void commit_space_map();
void commit_writesets();
void commit_era_array();
void commit_superblock();
2014-01-23 06:16:03 +05:30
};
};
//----------------------------------------------------------------
#endif