#include "jfs_filsys.h"
#include "jfs_lock.h"

Data Structures
struct	logsuper

struct	logpage

struct	lrd

struct	lvd

struct	jfs_log

struct	lbuf

struct	logsyncblk

Macros
#define	LOGPSIZE 4096

#define	L2LOGPSIZE 12

#define	LOGPAGES 16 /* Log pages per mounted file system */

#define	LOGSUPER_B 1

#define	LOGSTART_B 2

#define	LOGMAGIC 0x87654321

#define	LOGVERSION 1

#define	MAX_ACTIVE 128 /* Max active file systems sharing log */

#define	NULL_UUID "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"

#define	LOGMOUNT 0 /* log mounted by lmLogInit() */

#define	LOGREDONE

#define	LOGWRAP 2 /* log wrapped */

#define	LOGREADERR 3 /* log read error detected in logredo() */

#define	LOGPHDRSIZE 8 /* log page header size */

#define	LOGPTLRSIZE 8 /* log page trailer size */

#define	LOG_COMMIT 0x8000

#define	LOG_SYNCPT 0x4000

#define	LOG_MOUNT 0x2000

#define	LOG_REDOPAGE 0x0800

#define	LOG_NOREDOPAGE 0x0080

#define	LOG_NOREDOINOEXT 0x0040

#define	LOG_UPDATEMAP 0x0008

#define	LOG_NOREDOFILE 0x0001

#define	LOG_INODE 0x0001

#define	LOG_XTREE 0x0002

#define	LOG_DTREE 0x0004

#define	LOG_BTROOT 0x0010

#define	LOG_EA 0x0020

#define	LOG_ACL 0x0040

#define	LOG_DATA 0x0080

#define	LOG_NEW 0x0100

#define	LOG_EXTEND 0x0200

#define	LOG_RELOCATE 0x0400

#define	LOG_DIR_XTREE 0x0800 /* Xtree is in directory inode */

#define	LOG_ALLOCXADLIST 0x0080

#define	LOG_ALLOCPXDLIST 0x0040

#define	LOG_ALLOCXAD 0x0020

#define	LOG_ALLOCPXD 0x0010

#define	LOG_FREEXADLIST 0x0008

#define	LOG_FREEPXDLIST 0x0004

#define	LOG_FREEXAD 0x0002

#define	LOG_FREEPXD 0x0001

#define	LOGRDSIZE (sizeof(struct lrd))

#define	log_INLINELOG 1

#define	log_SYNCBARRIER 2

#define	log_QUIESCE 3

#define	log_FLUSH 4

#define	logGC_PAGEOUT 0x00000001

#define	tblkGC_QUEUE 0x0001

#define	tblkGC_READY 0x0002

#define	tblkGC_COMMIT 0x0004

#define	tblkGC_COMMITTED 0x0008

#define	tblkGC_EOP 0x0010

#define	tblkGC_FREE 0x0020

#define	tblkGC_LEADER 0x0040

#define	tblkGC_ERROR 0x0080

#define	tblkGC_LAZY 0x0100

#define	tblkGC_UNLOCKED 0x0200

#define	l_redrive_next l_freelist

#define	LOGSYNC_LOCK_INIT(log) spin_lock_init(&(log)->synclock)

#define	LOGSYNC_LOCK(log, flags) spin_lock_irqsave(&(log)->synclock, flags)

#define	LOGSYNC_UNLOCK(log, flags) spin_unlock_irqrestore(&(log)->synclock, flags)

#define	logdiff(diff, lsn, log)

Functions
int	lmLogOpen (struct super_block *sb)

int	lmLogClose (struct super_block *sb)

int	lmLogShutdown (struct jfs_log *log)

int	lmLogInit (struct jfs_log *log)

int	lmLogFormat (struct jfs_log *log, s64 logAddress, int logSize)

int	lmGroupCommit (struct jfs_log , struct tblock )

int	jfsIOWait (void *)

void	jfs_flush_journal (struct jfs_log *log, int wait)

void	jfs_syncpt (struct jfs_log *log, int hard_sync)

Macro Definition Documentation

#define L2LOGPSIZE 12

Definition at line 31 of file jfs_logmgr.h.

#define l_redrive_next l_freelist

Definition at line 469 of file jfs_logmgr.h.

#define LOG_ACL 0x0040

Definition at line 181 of file jfs_logmgr.h.

#define LOG_ALLOCPXD 0x0010

Definition at line 192 of file jfs_logmgr.h.

#define LOG_ALLOCPXDLIST 0x0040

Definition at line 190 of file jfs_logmgr.h.

#define LOG_ALLOCXAD 0x0020

Definition at line 191 of file jfs_logmgr.h.

#define LOG_ALLOCXADLIST 0x0080

Definition at line 189 of file jfs_logmgr.h.

#define LOG_BTROOT 0x0010

Definition at line 179 of file jfs_logmgr.h.

#define LOG_COMMIT 0x8000

Definition at line 166 of file jfs_logmgr.h.

#define LOG_DATA 0x0080

Definition at line 182 of file jfs_logmgr.h.

#define LOG_DIR_XTREE 0x0800 /* Xtree is in directory inode */

Definition at line 186 of file jfs_logmgr.h.

#define LOG_DTREE 0x0004

Definition at line 178 of file jfs_logmgr.h.

#define LOG_EA 0x0020

Definition at line 180 of file jfs_logmgr.h.

#define LOG_EXTEND 0x0200

Definition at line 184 of file jfs_logmgr.h.

#define log_FLUSH 4

Definition at line 422 of file jfs_logmgr.h.

#define LOG_FREEPXD 0x0001

Definition at line 196 of file jfs_logmgr.h.

#define LOG_FREEPXDLIST 0x0004

Definition at line 194 of file jfs_logmgr.h.

#define LOG_FREEXAD 0x0002

Definition at line 195 of file jfs_logmgr.h.

#define LOG_FREEXADLIST 0x0008

Definition at line 193 of file jfs_logmgr.h.

#define log_INLINELOG 1

Definition at line 419 of file jfs_logmgr.h.

#define LOG_INODE 0x0001

Definition at line 176 of file jfs_logmgr.h.

#define LOG_MOUNT 0x2000

Definition at line 168 of file jfs_logmgr.h.

#define LOG_NEW 0x0100

Definition at line 183 of file jfs_logmgr.h.

#define LOG_NOREDOFILE 0x0001

Definition at line 173 of file jfs_logmgr.h.

#define LOG_NOREDOINOEXT 0x0040

Definition at line 171 of file jfs_logmgr.h.

#define LOG_NOREDOPAGE 0x0080

Definition at line 170 of file jfs_logmgr.h.

#define log_QUIESCE 3

Definition at line 421 of file jfs_logmgr.h.

#define LOG_REDOPAGE 0x0800

Definition at line 169 of file jfs_logmgr.h.

#define LOG_RELOCATE 0x0400

Definition at line 185 of file jfs_logmgr.h.

#define log_SYNCBARRIER 2

Definition at line 420 of file jfs_logmgr.h.

#define LOG_SYNCPT 0x4000

Definition at line 167 of file jfs_logmgr.h.

#define LOG_UPDATEMAP 0x0008

Definition at line 172 of file jfs_logmgr.h.

#define LOG_XTREE 0x0002

Definition at line 177 of file jfs_logmgr.h.

#define logdiff	(	diff,
		lsn,
		log
	)

Value:

{\
    diff = (lsn) - (log)->syncpt;\
    if (diff < 0)\
        diff += (log)->logsize;\
}

Definition at line 494 of file jfs_logmgr.h.

#define logGC_PAGEOUT 0x00000001

Definition at line 428 of file jfs_logmgr.h.

#define LOGMAGIC 0x87654321

Definition at line 59 of file jfs_logmgr.h.

#define LOGMOUNT 0 /* log mounted by lmLogInit() */

Definition at line 88 of file jfs_logmgr.h.

#define LOGPAGES 16 /* Log pages per mounted file system */

Definition at line 33 of file jfs_logmgr.h.

#define LOGPHDRSIZE 8 /* log page header size */

Definition at line 136 of file jfs_logmgr.h.

#define LOGPSIZE 4096

Definition at line 30 of file jfs_logmgr.h.

#define LOGPTLRSIZE 8 /* log page trailer size */

Definition at line 137 of file jfs_logmgr.h.

#define LOGRDSIZE (sizeof(struct lrd))

Definition at line 350 of file jfs_logmgr.h.

#define LOGREADERR 3 /* log read error detected in logredo() */

Definition at line 91 of file jfs_logmgr.h.

#define LOGREDONE

Value:

1   /* log shutdown by lmLogShutdown().
                 * log redo completed by logredo().
                 */

Definition at line 89 of file jfs_logmgr.h.

#define LOGSTART_B 2

Definition at line 57 of file jfs_logmgr.h.

#define LOGSUPER_B 1

Definition at line 56 of file jfs_logmgr.h.

#define LOGSYNC_LOCK	(	log,
		flags
	)	spin_lock_irqsave(&(log)->synclock, flags)

Definition at line 489 of file jfs_logmgr.h.

#define LOGSYNC_LOCK_INIT ( log ) spin_lock_init(&(log)->synclock)

Definition at line 488 of file jfs_logmgr.h.

#define LOGSYNC_UNLOCK	(	log,
		flags
	)	spin_unlock_irqrestore(&(log)->synclock, flags)

Definition at line 490 of file jfs_logmgr.h.

#define LOGVERSION 1

Definition at line 60 of file jfs_logmgr.h.

#define LOGWRAP 2 /* log wrapped */

Definition at line 90 of file jfs_logmgr.h.

#define MAX_ACTIVE 128 /* Max active file systems sharing log */

Definition at line 62 of file jfs_logmgr.h.

#define NULL_UUID "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"

Definition at line 83 of file jfs_logmgr.h.

#define tblkGC_COMMIT 0x0004

Definition at line 433 of file jfs_logmgr.h.

#define tblkGC_COMMITTED 0x0008

Definition at line 434 of file jfs_logmgr.h.

#define tblkGC_EOP 0x0010

Definition at line 435 of file jfs_logmgr.h.

#define tblkGC_ERROR 0x0080

Definition at line 438 of file jfs_logmgr.h.

#define tblkGC_FREE 0x0020

Definition at line 436 of file jfs_logmgr.h.

#define tblkGC_LAZY 0x0100

Definition at line 439 of file jfs_logmgr.h.

#define tblkGC_LEADER 0x0040

Definition at line 437 of file jfs_logmgr.h.

#define tblkGC_QUEUE 0x0001

Definition at line 431 of file jfs_logmgr.h.

#define tblkGC_READY 0x0002

Definition at line 432 of file jfs_logmgr.h.

#define tblkGC_UNLOCKED 0x0200

Definition at line 440 of file jfs_logmgr.h.

Function Documentation

void jfs_flush_journal	(	struct jfs_log *	log,
		int	wait
	)

Definition at line 1518 of file jfs_logmgr.c.

void jfs_syncpt	(	struct jfs_log *	log,
		int	hard_sync
	)

Definition at line 1046 of file jfs_logmgr.c.

int jfsIOWait ( void * )

Definition at line 2323 of file jfs_logmgr.c.

int lmGroupCommit	(	struct jfs_log *	,
		struct tblock *
	)

Definition at line 666 of file jfs_logmgr.c.

int lmLogClose ( struct super_block * sb )

Definition at line 1444 of file jfs_logmgr.c.

int lmLogFormat	(	struct jfs_log *	log,
		s64	logAddress,
		int	logSize
	)

Definition at line 2368 of file jfs_logmgr.c.

int lmLogInit ( struct jfs_log * log )

Definition at line 1248 of file jfs_logmgr.c.

int lmLogOpen ( struct super_block * sb )

Definition at line 1065 of file jfs_logmgr.c.

int lmLogShutdown ( struct jfs_log * log )

Definition at line 1641 of file jfs_logmgr.c.

Data Structures

Macros

Functions

Macro Definition Documentation

Function Documentation