lfsdisk.h File Reference

Go to the source code of this file.

Classes
struct	_LFS_CLIENT_ID
struct	_LFS_RECORD_HEADER
struct	_LFS_UNPACKED_RECORD_PAGE
struct	_LFS_PACKED_RECORD_PAGE
struct	_LFS_RECORD_PAGE_HEADER
struct	_LFS_RESTART_PAGE_HEADER
struct	_LFS_CLIENT_RECORD
struct	_LFS_RESTART_AREA
struct	_LFS_OLD_RESTART_AREA
Defines
#define	MINIMUM_LFS_PAGES   0x00000030
#define	MINIMUM_LFS_CLIENTS   1
#define	UpdateSequenceStructureSize(MSH)   ((((PMULTI_SECTOR_HEADER) (MSH))->UpdateSequenceArraySize - 1) * SEQUENCE_NUMBER_STRIDE)
#define	UpdateSequenceArraySize(STRUCT_SIZE)   ((STRUCT_SIZE) / SEQUENCE_NUMBER_STRIDE + 1)
#define	FIRST_STRIDE   (SEQUENCE_NUMBER_STRIDE - sizeof( UPDATE_SEQUENCE_NUMBER ))
#define	LOG_RECORD_MULTI_PAGE   (0x0001)
#define	LFS_RECORD_HEADER_SIZE   QuadAlign( sizeof( LFS_RECORD_HEADER ))
#define	LOG_PAGE_LOG_RECORD_END   (0x00000001)
#define	LFS_UNPACKED_RECORD_PAGE_HEADER_SIZE
#define	LFS_PACKED_RECORD_PAGE_HEADER_SIZE
#define	LFS_RESTART_PAGE_HEADER_SIZE
#define	LFS_SIGNATURE_RESTART_PAGE   "RSTR"
#define	LFS_SIGNATURE_RESTART_PAGE_ULONG   0x52545352
#define	LFS_SIGNATURE_RECORD_PAGE   "RCRD"
#define	LFS_SIGNATURE_RECORD_PAGE_ULONG   0x44524352
#define	LFS_SIGNATURE_BAD_USA   "BAAD"
#define	LFS_SIGNATURE_BAD_USA_ULONG   0x44414142
#define	LFS_SIGNATURE_MODIFIED   "CHKD"
#define	LFS_SIGNATURE_MODIFIED_ULONG   0x444b4843
#define	LFS_SIGNATURE_UNINITIALIZED   "\377\377\377\377"
#define	LFS_SIGNATURE_UNINITIALIZED_ULONG   0xffffffff
#define	LFS_NO_CLIENT   0xffff
#define	LFS_CLIENT_NAME_MAX   64
#define	RESTART_SINGLE_PAGE_IO   (0x0001)
#define	LFS_RESTART_AREA_SIZE   (FIELD_OFFSET( LFS_RESTART_AREA, LogClientArray ))
Typedefs
typedef _LFS_CLIENT_ID	LFS_CLIENT_ID
typedef _LFS_CLIENT_ID *	PLFS_CLIENT_ID
typedef _LFS_RECORD_HEADER	LFS_RECORD_HEADER
typedef _LFS_RECORD_HEADER *	PLFS_RECORD_HEADER
typedef _LFS_UNPACKED_RECORD_PAGE	LFS_UNPACKED_RECORD_PAGE
typedef _LFS_UNPACKED_RECORD_PAGE *	PLFS_UNPACKED_RECORD_PAGE
typedef _LFS_PACKED_RECORD_PAGE	LFS_PACKED_RECORD_PAGE
typedef _LFS_PACKED_RECORD_PAGE *	PLFS_PACKED_RECORD_PAGE
typedef _LFS_RECORD_PAGE_HEADER	LFS_RECORD_PAGE_HEADER
typedef _LFS_RECORD_PAGE_HEADER *	PLFS_RECORD_PAGE_HEADER
typedef _LFS_RESTART_PAGE_HEADER	LFS_RESTART_PAGE_HEADER
typedef _LFS_RESTART_PAGE_HEADER *	PLFS_RESTART_PAGE_HEADER
typedef _LFS_CLIENT_RECORD	LFS_CLIENT_RECORD
typedef _LFS_CLIENT_RECORD *	PLFS_CLIENT_RECORD
typedef _LFS_RESTART_AREA	LFS_RESTART_AREA
typedef _LFS_RESTART_AREA *	PLFS_RESTART_AREA
typedef _LFS_OLD_RESTART_AREA	LFS_OLD_RESTART_AREA
typedef _LFS_OLD_RESTART_AREA *	PLFS_OLD_RESTART_AREA

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Define Documentation

#define FIRST_STRIDE   (SEQUENCE_NUMBER_STRIDE - sizeof( UPDATE_SEQUENCE_NUMBER ))

Definition at line 45 of file lfsdisk.h. Referenced by LfsIsClientAreaValid(), and LfsIsRestartAreaValid().

#define LFS_CLIENT_NAME_MAX   64

Definition at line 356 of file lfsdisk.h. Referenced by LfsOpenLogFile().

#define LFS_NO_CLIENT   0xffff

Definition at line 355 of file lfsdisk.h. Referenced by LfsAddClientToList(), LfsCloseLogFile(), LfsFindOldestClientLsn(), LfsIsClientAreaValid(), LfsIsRestartAreaValid(), LfsOpenLogFile(), LfsReadRestart(), LfsRemoveClientFromList(), LfsRestartLogFile(), and LfsUpdateRestartAreaFromLfcb().

#define LFS_PACKED_RECORD_PAGE_HEADER_SIZE

Value: ( \ FIELD_OFFSET( LFS_RECORD_PAGE_HEADER, Header.Packed.UpdateSequenceArray ) \ ) Definition at line 259 of file lfsdisk.h. Referenced by LfsUpdateLfcbFromPgHeader().

#define LFS_RECORD_HEADER_SIZE   QuadAlign( sizeof( LFS_RECORD_HEADER ))

Definition at line 132 of file lfsdisk.h. Referenced by LfsFindLogRecord(), LfsUpdateLfcbFromNoRestart(), and LfsUpdateLfcbFromRestart().

#define LFS_RESTART_AREA_SIZE   (FIELD_OFFSET( LFS_RESTART_AREA, LogClientArray ))

Definition at line 516 of file lfsdisk.h.

#define LFS_RESTART_PAGE_HEADER_SIZE

Value: ( \ FIELD_OFFSET( LFS_RESTART_PAGE_HEADER, UpdateSequenceArray ) \ ) Definition at line 330 of file lfsdisk.h. Referenced by LfsUpdateLfcbFromNoRestart(), and LfsUpdateLfcbFromPgHeader().

#define LFS_SIGNATURE_BAD_USA   "BAAD"

Definition at line 342 of file lfsdisk.h.

#define LFS_SIGNATURE_BAD_USA_ULONG   0x44414142

Definition at line 343 of file lfsdisk.h. Referenced by LfsFindLastLsn(), and LfsPinOrMapData().

#define LFS_SIGNATURE_MODIFIED   "CHKD"

Definition at line 344 of file lfsdisk.h.

#define LFS_SIGNATURE_MODIFIED_ULONG   0x444b4843

Definition at line 345 of file lfsdisk.h. Referenced by LfsReadRestart(), and LfsRestartLogFile().

#define LFS_SIGNATURE_RECORD_PAGE   "RCRD"

Definition at line 340 of file lfsdisk.h.

#define LFS_SIGNATURE_RECORD_PAGE_ULONG   0x44524352

Definition at line 341 of file lfsdisk.h. Referenced by LfsCheckWriteRange(), LfsFindLastLsn(), LfsFlushLfcb(), LfsGetLbcb(), and LfsReadRestart().

#define LFS_SIGNATURE_RESTART_PAGE   "RSTR"

Definition at line 338 of file lfsdisk.h.

#define LFS_SIGNATURE_RESTART_PAGE_ULONG   0x52545352

Definition at line 339 of file lfsdisk.h. Referenced by LfsFlushLfcb(), LfsReadRestart(), and LfsVerifyLogFile().

#define LFS_SIGNATURE_UNINITIALIZED   "\377\377\377\377"

Definition at line 346 of file lfsdisk.h.

#define LFS_SIGNATURE_UNINITIALIZED_ULONG   0xffffffff

Definition at line 347 of file lfsdisk.h. Referenced by LfsCheckSubsequentLogPage(), LfsInitializeLogFilePriv(), and LfsReadRestart().

#define LFS_UNPACKED_RECORD_PAGE_HEADER_SIZE

Value: ( \ FIELD_OFFSET( LFS_RECORD_PAGE_HEADER, Header.Unpacked.UpdateSequenceArray ) \ ) Definition at line 255 of file lfsdisk.h. Referenced by LfsUpdateLfcbFromPgHeader().

#define LOG_PAGE_LOG_RECORD_END   (0x00000001)

Definition at line 253 of file lfsdisk.h. Referenced by LfsCopyReadLogRecord(), LfsFindLastLsn(), LfsFlushLfcb(), LfsFlushToLsnPriv(), and LfsWriteLogRecordIntoLogPage().

#define LOG_RECORD_MULTI_PAGE   (0x0001)

Definition at line 130 of file lfsdisk.h. Referenced by LfsFindLogRecord(), and LfsWriteLogRecordIntoLogPage().

#define MINIMUM_LFS_CLIENTS   1

Definition at line 32 of file lfsdisk.h.

#define MINIMUM_LFS_PAGES   0x00000030

Definition at line 31 of file lfsdisk.h. Referenced by LfsNormalizeBasicLogFile().

#define RESTART_SINGLE_PAGE_IO   (0x0001)

Definition at line 514 of file lfsdisk.h. Referenced by LfsFindLastLsn(), LfsFlushLfcb(), LfsRestartLogFile(), LfsUpdateLfcbFromRestart(), and LfsUpdateRestartAreaFromLfcb().

#define UpdateSequenceArraySize (  STRUCT_SIZE   )     ((STRUCT_SIZE) / SEQUENCE_NUMBER_STRIDE + 1)

Definition at line 42 of file lfsdisk.h. Referenced by LfsIsRestartPageHeaderValid(), and LfsUpdateLfcbFromPgHeader().

#define UpdateSequenceStructureSize (  MSH   )     ((((PMULTI_SECTOR_HEADER) (MSH))->UpdateSequenceArraySize - 1) * SEQUENCE_NUMBER_STRIDE)

Definition at line 39 of file lfsdisk.h.

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Typedef Documentation

typedef struct _LFS_CLIENT_ID LFS_CLIENT_ID

typedef struct _LFS_CLIENT_RECORD LFS_CLIENT_RECORD

Referenced by LfsIsRestartAreaValid().

typedef struct _LFS_OLD_RESTART_AREA LFS_OLD_RESTART_AREA

Referenced by LfsIsRestartAreaValid().

typedef struct _LFS_PACKED_RECORD_PAGE LFS_PACKED_RECORD_PAGE

typedef struct _LFS_RECORD_HEADER LFS_RECORD_HEADER

typedef struct _LFS_RECORD_PAGE_HEADER LFS_RECORD_PAGE_HEADER

typedef struct _LFS_RESTART_AREA LFS_RESTART_AREA

Referenced by LfsIsRestartAreaValid().

typedef struct _LFS_RESTART_PAGE_HEADER LFS_RESTART_PAGE_HEADER

typedef struct _LFS_UNPACKED_RECORD_PAGE LFS_UNPACKED_RECORD_PAGE

typedef struct _LFS_CLIENT_ID * PLFS_CLIENT_ID

typedef struct _LFS_CLIENT_RECORD * PLFS_CLIENT_RECORD

Referenced by LfsIsClientAreaValid().

typedef struct _LFS_OLD_RESTART_AREA * PLFS_OLD_RESTART_AREA

typedef struct _LFS_PACKED_RECORD_PAGE * PLFS_PACKED_RECORD_PAGE

typedef struct _LFS_RECORD_HEADER * PLFS_RECORD_HEADER

Referenced by LfsPinOrMapLogRecordHeader().

typedef struct _LFS_RECORD_PAGE_HEADER * PLFS_RECORD_PAGE_HEADER

Referenced by LfsPinOrMapLogRecordHeader().

typedef struct _LFS_RESTART_AREA * PLFS_RESTART_AREA

Referenced by LfsFlushLfcb().

typedef struct _LFS_RESTART_PAGE_HEADER * PLFS_RESTART_PAGE_HEADER

typedef struct _LFS_UNPACKED_RECORD_PAGE * PLFS_UNPACKED_RECORD_PAGE

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