#include <linux/fs.h>
#include <linux/blkdev.h>
#include <linux/interrupt.h>
#include <linux/completion.h>
#include <linux/kthread.h>
#include <linux/buffer_head.h>
#include <linux/bio.h>
#include <linux/freezer.h>
#include <linux/export.h>
#include <linux/delay.h>
#include <linux/mutex.h>
#include <linux/seq_file.h>
#include <linux/slab.h>
#include "jfs_incore.h"
#include "jfs_filsys.h"
#include "jfs_metapage.h"
#include "jfs_superblock.h"
#include "jfs_txnmgr.h"
#include "jfs_debug.h"

Macros
#define	LOG_LOCK_INIT(log) mutex_init(&(log)->loglock)

#define	LOG_LOCK(log) mutex_lock(&((log)->loglock))

#define	LOG_UNLOCK(log) mutex_unlock(&((log)->loglock))

#define	LOGGC_LOCK_INIT(log) spin_lock_init(&(log)->gclock)

#define	LOGGC_LOCK(log) spin_lock_irq(&(log)->gclock)

#define	LOGGC_UNLOCK(log) spin_unlock_irq(&(log)->gclock)

#define	LOGGC_WAKEUP(tblk) wake_up_all(&(tblk)->gcwait)

#define	LOGSYNC_DELTA(logsize) min((logsize)/8, 128*LOGPSIZE)

#define	LOGSYNC_BARRIER(logsize) ((logsize)/4)

#define	LCACHE_LOCK(flags) spin_lock_irqsave(&jfsLCacheLock, flags)

#define	LCACHE_UNLOCK(flags) spin_unlock_irqrestore(&jfsLCacheLock, flags)

#define	LCACHE_SLEEP_COND(wq, cond, flags)

#define	LCACHE_WAKEUP(event) wake_up(event)

#define	lbmREAD 0x0001

#define	lbmWRITE

#define	lbmRELEASE

#define	lbmSYNC

#define	lbmFREE

#define	lbmDONE 0x0020

#define	lbmERROR 0x0040

#define	lbmGC

#define	lbmDIRECT 0x0100

Functions
int	lmLog (struct jfs_log log, struct tblock tblk, struct lrd lrd, struct tlock tlck)

int	lmGroupCommit (struct jfs_log log, struct tblock tblk)

void	jfs_syncpt (struct jfs_log *log, int hard_sync)

int	lmLogOpen (struct super_block *sb)

int	lmLogInit (struct jfs_log *log)

int	lmLogClose (struct super_block *sb)

void	jfs_flush_journal (struct jfs_log *log, int wait)

int	lmLogShutdown (struct jfs_log *log)

int	jfsIOWait (void *arg)

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

Macro Definition Documentation

#define lbmDIRECT 0x0100

Definition at line 151 of file jfs_logmgr.c.

#define lbmDONE 0x0020

Definition at line 148 of file jfs_logmgr.c.

#define lbmERROR 0x0040

Definition at line 149 of file jfs_logmgr.c.

#define lbmFREE

Value:

0x0010  /* return to freelist
                 * at completion of pageout;
                 * the buffer may be recycled;
                 */

Definition at line 147 of file jfs_logmgr.c.

#define lbmGC

Value:

0x0080  /* lbmIODone to perform post-GC processing
                 * of log page
                 */

Definition at line 150 of file jfs_logmgr.c.

#define lbmREAD 0x0001

Definition at line 143 of file jfs_logmgr.c.

#define lbmRELEASE

Value:

0x0004  /* remove from write queue
                 * at completion of pageout;
                 * do not free/recycle it yet:
                 * caller will free it;
                 */

Definition at line 145 of file jfs_logmgr.c.

#define lbmSYNC

Value:

0x0008  /* do not return to freelist
                 * when removed from write queue;
                 */

Definition at line 146 of file jfs_logmgr.c.

#define lbmWRITE

Value:

0x0002  /* enqueue at tail of write queue;
                 * init pageout if at head of queue;
                 */

Definition at line 144 of file jfs_logmgr.c.

#define LCACHE_LOCK ( flags ) spin_lock_irqsave(&jfsLCacheLock, flags)

Definition at line 123 of file jfs_logmgr.c.

#define LCACHE_SLEEP_COND	(	wq,
		cond,
		flags
	)

Value:

do {                        \
    if (cond)               \
        break;              \
    __SLEEP_COND(wq, cond, LCACHE_LOCK(flags), LCACHE_UNLOCK(flags)); \
} while (0)

Definition at line 129 of file jfs_logmgr.c.

#define LCACHE_UNLOCK ( flags ) spin_unlock_irqrestore(&jfsLCacheLock, flags)

Definition at line 124 of file jfs_logmgr.c.

#define LCACHE_WAKEUP ( event ) wake_up(event)

Definition at line 136 of file jfs_logmgr.c.

#define LOG_LOCK ( log ) mutex_lock(&((log)->loglock))

Definition at line 94 of file jfs_logmgr.c.

#define LOG_LOCK_INIT ( log ) mutex_init(&(log)->loglock)

Definition at line 93 of file jfs_logmgr.c.

#define LOG_UNLOCK ( log ) mutex_unlock(&((log)->loglock))

Definition at line 95 of file jfs_logmgr.c.

#define LOGGC_LOCK ( log ) spin_lock_irq(&(log)->gclock)

Definition at line 103 of file jfs_logmgr.c.

#define LOGGC_LOCK_INIT ( log ) spin_lock_init(&(log)->gclock)

Definition at line 102 of file jfs_logmgr.c.

#define LOGGC_UNLOCK ( log ) spin_unlock_irq(&(log)->gclock)

Definition at line 104 of file jfs_logmgr.c.

#define LOGGC_WAKEUP ( tblk ) wake_up_all(&(tblk)->gcwait)

Definition at line 105 of file jfs_logmgr.c.

#define LOGSYNC_BARRIER ( logsize ) ((logsize)/4)

Definition at line 111 of file jfs_logmgr.c.

#define LOGSYNC_DELTA ( logsize ) min((logsize)/8, 128*LOGPSIZE)

Definition at line 110 of file jfs_logmgr.c.

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 * arg )

Definition at line 2323 of file jfs_logmgr.c.

int lmGroupCommit	(	struct jfs_log *	log,
		struct tblock *	tblk
	)

Definition at line 666 of file jfs_logmgr.c.

int lmLog	(	struct jfs_log *	log,
		struct tblock *	tblk,
		struct lrd *	lrd,
		struct tlock *	tlck
	)

Definition at line 225 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.

Macros

Functions

Macro Definition Documentation

Function Documentation