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JFS: fix sparse warnings by moving extern declarations to headers 

Signed-off-by: Dave Kleikamp <shaggy@austin.ibm.com>
This commit is contained in:
Dave Kleikamp 2005-05-04 15:29:35 -05:00
parent 6b6bf51081
commit 1868f4aa5a
18 changed files with 88 additions and 180 deletions
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9
fs/jfs/file.c
View File

@ -1,6 +1,6 @@
/*
* 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
@ -19,16 +19,13 @@
#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;

11
fs/jfs/inode.c
View File

@ -23,6 +23,7 @@
#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"
@ -30,14 +31,6 @@
#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)) {
@ -136,7 +129,7 @@ void jfs_delete_inode(struct inode *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);

10
fs/jfs/jfs_debug.c
View File

@ -58,8 +58,6 @@ void dump_mem(char *label, void *data, int length)
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)
{
@ -97,14 +95,6 @@ static int loglevel_write(struct file *file, const char __user *buffer,
}
#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;

15
fs/jfs/jfs_debug.h
View File

@ -1,6 +1,6 @@
/*
* 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
@ -31,7 +31,9 @@
* 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
/*
@ -65,8 +67,8 @@
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 { \
@ -110,6 +112,11 @@ extern void dump_mem(char *label, void *data, int length);
* ----------
*/
#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)))

7
fs/jfs/jfs_extent.c
View File

@ -19,6 +19,7 @@
#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"
@ -33,12 +34,6 @@ static int extBrealloc(struct inode *, s64, s64, s64 *, s64 *);
#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) \

6
fs/jfs/jfs_imap.c
View File

@ -47,6 +47,7 @@
#include <linux/quotaops.h>
#include "jfs_incore.h"
#include "jfs_inode.h"
#include "jfs_filsys.h"
#include "jfs_dinode.h"
#include "jfs_dmap.h"
@ -68,11 +69,6 @@
#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
*/

1
fs/jfs/jfs_inode.c
View File

@ -19,6 +19,7 @@
#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"

19
fs/jfs/jfs_inode.h
View File

@ -1,5 +1,5 @@
/*
* 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
@ -19,5 +19,22 @@
#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 */

9
fs/jfs/jfs_logmgr.c
View File

@ -71,6 +71,7 @@
#include "jfs_incore.h"
#include "jfs_filsys.h"
#include "jfs_metapage.h"
#include "jfs_superblock.h"
#include "jfs_txnmgr.h"
#include "jfs_debug.h"
@ -166,14 +167,6 @@ static LIST_HEAD(jfs_external_logs);
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
*/

2
fs/jfs/jfs_logmgr.h
View File

@ -507,6 +507,8 @@ extern int lmLogClose(struct super_block *sb);
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);

4
fs/jfs/jfs_metapage.c
View File

@ -726,12 +726,12 @@ void force_metapage(struct metapage *mp)
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 */

6
fs/jfs/jfs_metapage.h
View File

@ -1,6 +1,6 @@
/*
* 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
@ -58,6 +58,8 @@ struct metapage {
#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);

11
fs/jfs/jfs_superblock.h
View File

@ -109,5 +109,16 @@ struct jfs_superblock {
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 */

40
fs/jfs/jfs_txnmgr.c
View File

@ -42,7 +42,6 @@
* hold on to mp+lock thru update of maps
*/
#include <linux/fs.h>
#include <linux/vmalloc.h>
#include <linux/smp_lock.h>
@ -51,6 +50,7 @@
#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"
@ -109,7 +109,6 @@ static int TxLockHWM; /* High water mark for number of txLocks used */
static int TxLockVHWM; /* Very High water mark */
struct tlock *TxLock; /* transaction lock table */
/*
* transaction management lock
*/
@ -149,7 +148,6 @@ static inline void TXN_SLEEP_DROP_LOCK(wait_queue_head_t * event)
#define TXN_WAKEUP(event) wake_up_all(event)
/*
* statistics
*/
@ -161,16 +159,6 @@ static struct {
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
*/
@ -358,7 +346,6 @@ void txExit(void)
TxBlock = NULL;
}
/*
* NAME: txBegin()
*
@ -460,7 +447,6 @@ tid_t txBegin(struct super_block *sb, int flag)
return t;
}
/*
* NAME: txBeginAnon()
*
@ -503,7 +489,6 @@ void txBeginAnon(struct super_block *sb)
TXN_UNLOCK();
}
/*
* txEnd()
*
@ -592,7 +577,6 @@ wakeup:
TXN_WAKEUP(&TxAnchor.freewait);
}
/*
* txLock()
*
@ -868,7 +852,6 @@ struct tlock *txLock(tid_t tid, struct inode *ip, struct metapage * mp,
return NULL;
}
/*
* NAME: txRelease()
*
@ -908,7 +891,6 @@ static void txRelease(struct tblock * tblk)
TXN_UNLOCK();
}
/*
* NAME: txUnlock()
*
@ -996,7 +978,6 @@ static void txUnlock(struct tblock * tblk)
}
}
/*
* txMaplock()
*
@ -1069,7 +1050,6 @@ struct tlock *txMaplock(tid_t tid, struct inode *ip, int type)
return tlck;
}
/*
* txLinelock()
*
@ -1103,8 +1083,6 @@ struct linelock *txLinelock(struct linelock * tlock)
return linelock;
}
/*
* transaction commit management
* -----------------------------
@ -1373,7 +1351,6 @@ int txCommit(tid_t tid, /* transaction identifier */
return rc;
}
/*
* NAME: txLog()
*
@ -1437,7 +1414,6 @@ static int txLog(struct jfs_log * log, struct tblock * tblk, struct commit * cd)
return rc;
}
/*
* diLog()
*
@ -1465,7 +1441,6 @@ static int diLog(struct jfs_log * log, struct tblock * tblk, struct lrd * lrd,
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);
@ -1552,7 +1527,6 @@ static int diLog(struct jfs_log * log, struct tblock * tblk, struct lrd * lrd,
return rc;
}
/*
* dataLog()
*
@ -1599,7 +1573,6 @@ static int dataLog(struct jfs_log * log, struct tblock * tblk, struct lrd * lrd,
return 0;
}
/*
* dtLog()
*
@ -1639,7 +1612,6 @@ static void dtLog(struct jfs_log * log, struct tblock * tblk, struct lrd * lrd,
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);
@ -1704,7 +1676,6 @@ static void dtLog(struct jfs_log * log, struct tblock * tblk, struct lrd * lrd,
return;
}
/*
* xtLog()
*
@ -1760,7 +1731,6 @@ static void xtLog(struct jfs_log * log, struct tblock * tblk, struct lrd * lrd,
* 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);
@ -2093,7 +2063,6 @@ static void xtLog(struct jfs_log * log, struct tblock * tblk, struct lrd * lrd,
return;
}
/*
* mapLog()
*
@ -2180,7 +2149,6 @@ void mapLog(struct jfs_log * log, struct tblock * tblk, struct lrd * lrd,
}
}
/*
* txEA()
*
@ -2233,7 +2201,6 @@ void txEA(tid_t tid, struct inode *ip, dxd_t * oldea, dxd_t * newea)
}
}
/*
* txForce()
*
@ -2300,7 +2267,6 @@ void txForce(struct tblock * tblk)
}
}
/*
* txUpdateMap()
*
@ -2437,7 +2403,6 @@ static void txUpdateMap(struct tblock * tblk)
}
}
/*
* txAllocPMap()
*
@ -2509,7 +2474,6 @@ static void txAllocPMap(struct inode *ip, struct maplock * maplock,
}
}
/*
* txFreeMap()
*
@ -2611,7 +2575,6 @@ void txFreeMap(struct inode *ip,
}
}
/*
* txFreelock()
*
@ -2652,7 +2615,6 @@ void txFreelock(struct inode *ip)
TXN_UNLOCK();
}
/*
* txAbort()
*

50
fs/jfs/jfs_txnmgr.h
View File

@ -285,34 +285,26 @@ struct commit {
/*
* external declarations
*/
extern struct tlock *txLock(tid_t tid, struct inode *ip, struct metapage *mp,
int flag);
extern int jfs_tlocks_low;
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 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 */

28
fs/jfs/namei.c
View File

@ -31,20 +31,9 @@
#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 *);
@ -655,7 +644,7 @@ static s64 commitZeroLink(tid_t tid, struct inode *ip)
/*
* NAME: freeZeroLink()
* NAME: jfs_free_zero_link()
*
* FUNCTION: for non-directory, called by iClose(),
* free resources of a file from cache and WORKING map
@ -663,15 +652,12 @@ static s64 commitZeroLink(tid_t tid, struct inode *ip)
* 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.
@ -684,10 +670,10 @@ int freeZeroLink(struct inode *ip)
case S_IFLNK:
/* if its contained in inode nothing to do */
if (ip->i_size < IDATASIZE)
return 0;
return;
break;
default:
return 0;
return;
}
/*
@ -737,9 +723,7 @@ int freeZeroLink(struct inode *ip)
* 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);
}
/*

37
fs/jfs/super.c
View File

@ -28,6 +28,7 @@
#include "jfs_incore.h"
#include "jfs_filsys.h"
#include "jfs_inode.h"
#include "jfs_metapage.h"
#include "jfs_superblock.h"
#include "jfs_dmap.h"
@ -62,37 +63,6 @@ module_param(jfsloglevel, int, 0644);
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);
@ -593,11 +563,6 @@ static struct file_system_type jfs_fs_type = {
.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;

3
fs/jfs/symlink.c
View File

@ -1,5 +1,5 @@
/*
* 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
@ -19,6 +19,7 @@
#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)