/*
- * Copyright (c) International Business Machines Corp., 2000-2002
- * Portions Copyright (c) Christoph Hellwig, 2001-2002
+ * Copyright (C) International Business Machines Corp., 2000-2002
+ * Portions Copyright (C) Christoph Hellwig, 2001-2002
*
* 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
#include <linux/fs.h>
#include "jfs_incore.h"
+#include "jfs_inode.h"
#include "jfs_dmap.h"
#include "jfs_txnmgr.h"
#include "jfs_xattr.h"
#include "jfs_acl.h"
#include "jfs_debug.h"
-
-extern int jfs_commit_inode(struct inode *, int);
-extern void jfs_truncate(struct inode *);
-
int jfs_fsync(struct file *file, struct dentry *dentry, int datasync)
{
struct inode *inode = dentry->d_inode;
#include <linux/pagemap.h>
#include <linux/quotaops.h>
#include "jfs_incore.h"
+#include "jfs_inode.h"
#include "jfs_filsys.h"
#include "jfs_imap.h"
#include "jfs_extent.h"
#include "jfs_debug.h"
-extern struct inode_operations jfs_dir_inode_operations;
-extern struct inode_operations jfs_file_inode_operations;
-extern struct inode_operations jfs_symlink_inode_operations;
-extern struct file_operations jfs_dir_operations;
-extern struct file_operations jfs_file_operations;
-struct address_space_operations jfs_aops;
-extern int freeZeroLink(struct inode *);
-
void jfs_read_inode(struct inode *inode)
{
if (diRead(inode)) {
jfs_info("In jfs_delete_inode, inode = 0x%p", inode);
if (test_cflag(COMMIT_Freewmap, inode))
- freeZeroLink(inode);
+ jfs_free_zero_link(inode);
diFree(inode);
static struct proc_dir_entry *base;
#ifdef CONFIG_JFS_DEBUG
-extern read_proc_t jfs_txanchor_read;
-
static int loglevel_read(char *page, char **start, off_t off,
int count, int *eof, void *data)
{
}
#endif
-
-#ifdef CONFIG_JFS_STATISTICS
-extern read_proc_t jfs_lmstats_read;
-extern read_proc_t jfs_txstats_read;
-extern read_proc_t jfs_xtstat_read;
-extern read_proc_t jfs_mpstat_read;
-#endif
-
static struct {
const char *name;
read_proc_t *read_fn;
/*
- * Copyright (c) International Business Machines Corp., 2000-2002
- * Portions Copyright (c) Christoph Hellwig, 2001-2002
+ * Copyright (C) International Business Machines Corp., 2000-2002
+ * Portions Copyright (C) Christoph Hellwig, 2001-2002
*
* 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
* CONFIG_JFS_DEBUG or CONFIG_JFS_STATISTICS is defined
*/
#if defined(CONFIG_PROC_FS) && (defined(CONFIG_JFS_DEBUG) || defined(CONFIG_JFS_STATISTICS))
- #define PROC_FS_JFS
+#define PROC_FS_JFS
+extern void jfs_proc_init(void);
+extern void jfs_proc_clean(void);
#endif
/*
extern int jfsloglevel;
-/* dump memory contents */
extern void dump_mem(char *label, void *data, int length);
+extern int jfs_txanchor_read(char *, char **, off_t, int, int *, void *);
/* information message: e.g., configuration, major event */
#define jfs_info(fmt, arg...) do { \
* ----------
*/
#ifdef CONFIG_JFS_STATISTICS
+extern int jfs_lmstats_read(char *, char **, off_t, int, int *, void *);
+extern int jfs_txstats_read(char *, char **, off_t, int, int *, void *);
+extern int jfs_mpstat_read(char *, char **, off_t, int, int *, void *);
+extern int jfs_xtstat_read(char *, char **, off_t, int, int *, void *);
+
#define INCREMENT(x) ((x)++)
#define DECREMENT(x) ((x)--)
#define HIGHWATERMARK(x,y) ((x) = max((x), (y)))
#include <linux/fs.h>
#include <linux/quotaops.h>
#include "jfs_incore.h"
+#include "jfs_inode.h"
#include "jfs_superblock.h"
#include "jfs_dmap.h"
#include "jfs_extent.h"
#endif
static s64 extRoundDown(s64 nb);
-/*
- * external references
- */
-extern int jfs_commit_inode(struct inode *, int);
-
-
#define DPD(a) (printk("(a): %d\n",(a)))
#define DPC(a) (printk("(a): %c\n",(a)))
#define DPL1(a) \
#include <linux/quotaops.h>
#include "jfs_incore.h"
+#include "jfs_inode.h"
#include "jfs_filsys.h"
#include "jfs_dinode.h"
#include "jfs_dmap.h"
#define AG_LOCK(imap,agno) down(&imap->im_aglock[agno])
#define AG_UNLOCK(imap,agno) up(&imap->im_aglock[agno])
-/*
- * external references
- */
-extern struct address_space_operations jfs_aops;
-
/*
* forward references
*/
#include <linux/fs.h>
#include <linux/quotaops.h>
#include "jfs_incore.h"
+#include "jfs_inode.h"
#include "jfs_filsys.h"
#include "jfs_imap.h"
#include "jfs_dinode.h"
/*
- * Copyright (c) International Business Machines Corp., 2000-2001
+ * Copyright (C) International Business Machines Corp., 2000-2001
*
* 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
#define _H_JFS_INODE
extern struct inode *ialloc(struct inode *, umode_t);
+extern int jfs_fsync(struct file *, struct dentry *, int);
+extern void jfs_read_inode(struct inode *);
+extern int jfs_commit_inode(struct inode *, int);
+extern int jfs_write_inode(struct inode*, int);
+extern void jfs_delete_inode(struct inode *);
+extern void jfs_dirty_inode(struct inode *);
+extern void jfs_truncate(struct inode *);
+extern void jfs_truncate_nolock(struct inode *, loff_t);
+extern void jfs_free_zero_link(struct inode *);
+extern struct dentry *jfs_get_parent(struct dentry *dentry);
+extern struct address_space_operations jfs_aops;
+extern struct inode_operations jfs_dir_inode_operations;
+extern struct file_operations jfs_dir_operations;
+extern struct inode_operations jfs_file_inode_operations;
+extern struct file_operations jfs_file_operations;
+extern struct inode_operations jfs_symlink_inode_operations;
+extern struct dentry_operations jfs_ci_dentry_operations;
#endif /* _H_JFS_INODE */
#include "jfs_incore.h"
#include "jfs_filsys.h"
#include "jfs_metapage.h"
+#include "jfs_superblock.h"
#include "jfs_txnmgr.h"
#include "jfs_debug.h"
static struct jfs_log *dummy_log = NULL;
static DECLARE_MUTEX(jfs_log_sem);
-/*
- * external references
- */
-extern void txLazyUnlock(struct tblock * tblk);
-extern int jfs_stop_threads;
-extern struct completion jfsIOwait;
-extern int jfs_tlocks_low;
-
/*
* forward references
*/
extern int lmLogShutdown(struct jfs_log * log);
extern int lmLogInit(struct jfs_log * log);
extern int lmLogFormat(struct jfs_log *log, s64 logAddress, int logSize);
+extern int lmGroupCommit(struct jfs_log *, struct tblock *);
+extern int jfsIOWait(void *);
extern void jfs_flush_journal(struct jfs_log * log, int wait);
extern void jfs_syncpt(struct jfs_log *log);
page_cache_release(page);
}
-extern void hold_metapage(struct metapage *mp)
+void hold_metapage(struct metapage *mp)
{
lock_page(mp->page);
}
-extern void put_metapage(struct metapage *mp)
+void put_metapage(struct metapage *mp)
{
if (mp->count || mp->nohomeok) {
/* Someone else will release this */
/*
- * Copyright (c) International Business Machines Corp., 2000-2002
- * Portions Copyright (c) Christoph Hellwig, 2001-2002
+ * Copyright (C) International Business Machines Corp., 2000-2002
+ * Portions Copyright (C) Christoph Hellwig, 2001-2002
*
* 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
#define mark_metapage_dirty(mp) set_bit(META_dirty, &(mp)->flag)
/* function prototypes */
+extern int metapage_init(void);
+extern void metapage_exit(void);
extern struct metapage *__get_metapage(struct inode *inode,
unsigned long lblock, unsigned int size,
int absolute, unsigned long new);
extern int readSuper(struct super_block *, struct buffer_head **);
extern int updateSuper(struct super_block *, uint);
extern void jfs_error(struct super_block *, const char *, ...);
+extern int jfs_mount(struct super_block *);
+extern int jfs_mount_rw(struct super_block *, int);
+extern int jfs_umount(struct super_block *);
+extern int jfs_umount_rw(struct super_block *);
+
+extern int jfs_stop_threads;
+extern struct completion jfsIOwait;
+extern wait_queue_head_t jfs_IO_thread_wait;
+extern wait_queue_head_t jfs_commit_thread_wait;
+extern wait_queue_head_t jfs_sync_thread_wait;
+extern int jfs_extendfs(struct super_block *, s64, int);
#endif /*_H_JFS_SUPERBLOCK */
* hold on to mp+lock thru update of maps
*/
-
#include <linux/fs.h>
#include <linux/vmalloc.h>
#include <linux/smp_lock.h>
#include <linux/module.h>
#include <linux/moduleparam.h>
#include "jfs_incore.h"
+#include "jfs_inode.h"
#include "jfs_filsys.h"
#include "jfs_metapage.h"
#include "jfs_dinode.h"
static int TxLockVHWM; /* Very High water mark */
struct tlock *TxLock; /* transaction lock table */
-
/*
* transaction management lock
*/
#define TXN_WAKEUP(event) wake_up_all(event)
-
/*
* statistics
*/
int waitlock; /* 4: # of tlock wait */
} stattx;
-
-/*
- * external references
- */
-extern int lmGroupCommit(struct jfs_log *, struct tblock *);
-extern int jfs_commit_inode(struct inode *, int);
-extern int jfs_stop_threads;
-
-extern struct completion jfsIOwait;
-
/*
* forward references
*/
TxBlock = NULL;
}
-
/*
* NAME: txBegin()
*
return t;
}
-
/*
* NAME: txBeginAnon()
*
TXN_UNLOCK();
}
-
/*
* txEnd()
*
TXN_WAKEUP(&TxAnchor.freewait);
}
-
/*
* txLock()
*
return NULL;
}
-
/*
* NAME: txRelease()
*
TXN_UNLOCK();
}
-
/*
* NAME: txUnlock()
*
}
}
-
/*
* txMaplock()
*
return tlck;
}
-
/*
* txLinelock()
*
return linelock;
}
-
-
/*
* transaction commit management
* -----------------------------
return rc;
}
-
/*
* NAME: txLog()
*
return rc;
}
-
/*
* diLog()
*
if (tlck->type & tlckENTRY) {
/* log after-image for logredo(): */
lrd->type = cpu_to_le16(LOG_REDOPAGE);
-// *pxd = mp->cm_pxd;
PXDaddress(pxd, mp->index);
PXDlength(pxd,
mp->logical_size >> tblk->sb->s_blocksize_bits);
return rc;
}
-
/*
* dataLog()
*
return 0;
}
-
/*
* dtLog()
*
lrd->log.redopage.type |= cpu_to_le16(LOG_EXTEND);
else
lrd->log.redopage.type |= cpu_to_le16(LOG_NEW);
-// *pxd = mp->cm_pxd;
PXDaddress(pxd, mp->index);
PXDlength(pxd,
mp->logical_size >> tblk->sb->s_blocksize_bits);
return;
}
-
/*
* xtLog()
*
* applying the after-image to the meta-data page.
*/
lrd->type = cpu_to_le16(LOG_REDOPAGE);
-// *page_pxd = mp->cm_pxd;
PXDaddress(page_pxd, mp->index);
PXDlength(page_pxd,
mp->logical_size >> tblk->sb->s_blocksize_bits);
return;
}
-
/*
* mapLog()
*
}
}
-
/*
* txEA()
*
}
}
-
/*
* txForce()
*
}
}
-
/*
* txUpdateMap()
*
}
}
-
/*
* txAllocPMap()
*
}
}
-
/*
* txFreeMap()
*
}
}
-
/*
* txFreelock()
*
TXN_UNLOCK();
}
-
/*
* txAbort()
*
/*
* external declarations
*/
-extern struct tlock *txLock(tid_t tid, struct inode *ip, struct metapage *mp,
- int flag);
-
-extern struct tlock *txMaplock(tid_t tid, struct inode *ip, int flag);
-
-extern int txCommit(tid_t tid, int nip, struct inode **iplist, int flag);
-
-extern tid_t txBegin(struct super_block *sb, int flag);
-
-extern void txBeginAnon(struct super_block *sb);
-
-extern void txEnd(tid_t tid);
-
-extern void txAbort(tid_t tid, int dirty);
-
-extern struct linelock *txLinelock(struct linelock * tlock);
-
-extern void txFreeMap(struct inode *ip, struct maplock * maplock,
- struct tblock * tblk, int maptype);
-
-extern void txEA(tid_t tid, struct inode *ip, dxd_t * oldea, dxd_t * newea);
-
-extern void txFreelock(struct inode *ip);
-
-extern int lmLog(struct jfs_log * log, struct tblock * tblk, struct lrd * lrd,
- struct tlock * tlck);
-
-extern void txQuiesce(struct super_block *sb);
-
-extern void txResume(struct super_block *sb);
+extern int jfs_tlocks_low;
+
+extern int txInit(void);
+extern void txExit(void);
+extern struct tlock *txLock(tid_t, struct inode *, struct metapage *, int);
+extern struct tlock *txMaplock(tid_t, struct inode *, int);
+extern int txCommit(tid_t, int, struct inode **, int);
+extern tid_t txBegin(struct super_block *, int);
+extern void txBeginAnon(struct super_block *);
+extern void txEnd(tid_t);
+extern void txAbort(tid_t, int);
+extern struct linelock *txLinelock(struct linelock *);
+extern void txFreeMap(struct inode *, struct maplock *, struct tblock *, int);
+extern void txEA(tid_t, struct inode *, dxd_t *, dxd_t *);
+extern void txFreelock(struct inode *);
+extern int lmLog(struct jfs_log *, struct tblock *, struct lrd *,
+ struct tlock *);
+extern void txQuiesce(struct super_block *);
+extern void txResume(struct super_block *);
+extern void txLazyUnlock(struct tblock *);
+extern int jfs_lazycommit(void *);
+extern int jfs_sync(void *);
#endif /* _H_JFS_TXNMGR */
#include "jfs_acl.h"
#include "jfs_debug.h"
-extern struct inode_operations jfs_file_inode_operations;
-extern struct inode_operations jfs_symlink_inode_operations;
-extern struct file_operations jfs_file_operations;
-extern struct address_space_operations jfs_aops;
-
-extern int jfs_fsync(struct file *, struct dentry *, int);
-extern void jfs_truncate_nolock(struct inode *, loff_t);
-extern int jfs_init_acl(struct inode *, struct inode *);
-
/*
* forward references
*/
-struct inode_operations jfs_dir_inode_operations;
-struct file_operations jfs_dir_operations;
struct dentry_operations jfs_ci_dentry_operations;
static s64 commitZeroLink(tid_t, struct inode *);
/*
- * NAME: freeZeroLink()
+ * NAME: jfs_free_zero_link()
*
* FUNCTION: for non-directory, called by iClose(),
* free resources of a file from cache and WORKING map
* while associated with a pager object,
*
* PARAMETER: ip - pointer to inode of file.
- *
- * RETURN: 0 -ok
*/
-int freeZeroLink(struct inode *ip)
+void jfs_free_zero_link(struct inode *ip)
{
- int rc = 0;
int type;
- jfs_info("freeZeroLink: ip = 0x%p", ip);
+ jfs_info("jfs_free_zero_link: ip = 0x%p", ip);
/* return if not reg or symbolic link or if size is
* already ok.
case S_IFLNK:
/* if its contained in inode nothing to do */
if (ip->i_size < IDATASIZE)
- return 0;
+ return;
break;
default:
- return 0;
+ return;
}
/*
* free xtree/data blocks from working block map;
*/
if (ip->i_size)
- rc = xtTruncate(0, ip, 0, COMMIT_WMAP);
-
- return rc;
+ xtTruncate(0, ip, 0, COMMIT_WMAP);
}
/*
#include "jfs_incore.h"
#include "jfs_filsys.h"
+#include "jfs_inode.h"
#include "jfs_metapage.h"
#include "jfs_superblock.h"
#include "jfs_dmap.h"
MODULE_PARM_DESC(jfsloglevel, "Specify JFS loglevel (0, 1 or 2)");
#endif
-/*
- * External declarations
- */
-extern int jfs_mount(struct super_block *);
-extern int jfs_mount_rw(struct super_block *, int);
-extern int jfs_umount(struct super_block *);
-extern int jfs_umount_rw(struct super_block *);
-
-extern int jfsIOWait(void *);
-extern int jfs_lazycommit(void *);
-extern int jfs_sync(void *);
-
-extern void jfs_read_inode(struct inode *inode);
-extern void jfs_dirty_inode(struct inode *inode);
-extern void jfs_delete_inode(struct inode *inode);
-extern int jfs_write_inode(struct inode *inode, int wait);
-
-extern struct dentry *jfs_get_parent(struct dentry *dentry);
-extern int jfs_extendfs(struct super_block *, s64, int);
-
-extern struct dentry_operations jfs_ci_dentry_operations;
-
-#ifdef PROC_FS_JFS /* see jfs_debug.h */
-extern void jfs_proc_init(void);
-extern void jfs_proc_clean(void);
-#endif
-
-extern wait_queue_head_t jfs_IO_thread_wait;
-extern wait_queue_head_t jfs_commit_thread_wait;
-extern wait_queue_head_t jfs_sync_thread_wait;
-
static void jfs_handle_error(struct super_block *sb)
{
struct jfs_sb_info *sbi = JFS_SBI(sb);
.fs_flags = FS_REQUIRES_DEV,
};
-extern int metapage_init(void);
-extern int txInit(void);
-extern void txExit(void);
-extern void metapage_exit(void);
-
static void init_once(void *foo, kmem_cache_t * cachep, unsigned long flags)
{
struct jfs_inode_info *jfs_ip = (struct jfs_inode_info *) foo;
/*
- * Copyright (c) Christoph Hellwig, 2001-2002
+ * Copyright (C) Christoph Hellwig, 2001-2002
*
* 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
#include <linux/fs.h>
#include <linux/namei.h>
#include "jfs_incore.h"
+#include "jfs_inode.h"
#include "jfs_xattr.h"
static int jfs_follow_link(struct dentry *dentry, struct nameidata *nd)