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Commit b2e03ca7 authored by Alexey Dobriyan's avatar Alexey Dobriyan Committed by Dave Kleikamp
Browse files

JFS: switch to seq_files 



Signed-off-by: default avatarAlexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: default avatarDave Kleikamp <shaggy@linux.vnet.ibm.com>
parent 88f85a55

fs/jfs/jfs_debug.c

+28 −34
Original line number Diff line number Diff line
@@ -21,6 +21,7 @@ 
#include <linux/ctype.h>

#include <linux/module.h>

#include <linux/proc_fs.h>

#include <linux/seq_file.h>

#include <asm/uaccess.h>

#include "jfs_incore.h"

#include "jfs_filsys.h"
@@ -30,29 +31,19 @@ 


static struct proc_dir_entry *base;

#ifdef CONFIG_JFS_DEBUG

static int loglevel_read(char *page, char **start, off_t off,

			 int count, int *eof, void *data)

static int jfs_loglevel_proc_show(struct seq_file *m, void *v)

{

	int len;



	len = sprintf(page, "%d\n", jfsloglevel);



	len -= off;

	*start = page + off;



	if (len > count)

		len = count;

	else

		*eof = 1;



	if (len < 0)

		len = 0;

	seq_printf(m, "%d\n", jfsloglevel);

	return 0;

}



	return len;

static int jfs_loglevel_proc_open(struct inode *inode, struct file *file)

{

	return single_open(file, jfs_loglevel_proc_show, NULL);

}



static int loglevel_write(struct file *file, const char __user *buffer,

			unsigned long count, void *data)

static ssize_t jfs_loglevel_proc_write(struct file *file,

		const char __user *buffer, size_t count, loff_t *ppos)

{

	char c;
@@ -65,22 +56,30 @@ static int loglevel_write(struct file *file, const char __user *buffer, 
	jfsloglevel = c - '0';

	return count;

}



static const struct file_operations jfs_loglevel_proc_fops = {

	.owner		= THIS_MODULE,

	.open		= jfs_loglevel_proc_open,

	.read		= seq_read,

	.llseek		= seq_lseek,

	.release	= single_release,

	.write		= jfs_loglevel_proc_write,

};

#endif



static struct {

	const char	*name;

	read_proc_t	*read_fn;

	write_proc_t	*write_fn;

	const struct file_operations *proc_fops;

} Entries[] = {

#ifdef CONFIG_JFS_STATISTICS

	{ "lmstats",	jfs_lmstats_read, },

	{ "txstats",	jfs_txstats_read, },

	{ "xtstat",	jfs_xtstat_read, },

	{ "mpstat",	jfs_mpstat_read, },

	{ "lmstats",	&jfs_lmstats_proc_fops, },

	{ "txstats",	&jfs_txstats_proc_fops, },

	{ "xtstat",	&jfs_xtstat_proc_fops, },

	{ "mpstat",	&jfs_mpstat_proc_fops, },

#endif

#ifdef CONFIG_JFS_DEBUG

	{ "TxAnchor",	jfs_txanchor_read, },

	{ "loglevel",	loglevel_read, loglevel_write }

	{ "TxAnchor",	&jfs_txanchor_proc_fops, },

	{ "loglevel",	&jfs_loglevel_proc_fops }

#endif

};

#define NPROCENT	ARRAY_SIZE(Entries)
@@ -93,13 +92,8 @@ void jfs_proc_init(void) 
		return;

	base->owner = THIS_MODULE;



	for (i = 0; i < NPROCENT; i++) {

		struct proc_dir_entry *p;

		if ((p = create_proc_entry(Entries[i].name, 0, base))) {

			p->read_proc = Entries[i].read_fn;

			p->write_proc = Entries[i].write_fn;

		}

	}

	for (i = 0; i < NPROCENT; i++)

		proc_create(Entries[i].name, 0, base, Entries[i].proc_fops);

}



void jfs_proc_clean(void)

fs/jfs/jfs_debug.h

+5 −5
Original line number Diff line number Diff line
@@ -62,7 +62,7 @@ extern void jfs_proc_clean(void); 


extern int jfsloglevel;



extern int jfs_txanchor_read(char *, char **, off_t, int, int *, void *);

extern const struct file_operations jfs_txanchor_proc_fops;



/* information message: e.g., configuration, major event */

#define jfs_info(fmt, arg...) do {			\
@@ -105,10 +105,10 @@ extern int jfs_txanchor_read(char *, char **, off_t, int, int *, void *); 
 *	----------

 */

#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 *);

extern const struct file_operations jfs_lmstats_proc_fops;

extern const struct file_operations jfs_txstats_proc_fops;

extern const struct file_operations jfs_mpstat_proc_fops;

extern const struct file_operations jfs_xtstat_proc_fops;



#define	INCREMENT(x)		((x)++)

#define	DECREMENT(x)		((x)--)

fs/jfs/jfs_logmgr.c

+16 −19
Original line number Diff line number Diff line
@@ -69,6 +69,7 @@ 
#include <linux/freezer.h>

#include <linux/delay.h>

#include <linux/mutex.h>

#include <linux/seq_file.h>

#include "jfs_incore.h"

#include "jfs_filsys.h"

#include "jfs_metapage.h"
@@ -2503,13 +2504,9 @@ int lmLogFormat(struct jfs_log *log, s64 logAddress, int logSize) 
}



#ifdef CONFIG_JFS_STATISTICS

int jfs_lmstats_read(char *buffer, char **start, off_t offset, int length,

		      int *eof, void *data)

static int jfs_lmstats_proc_show(struct seq_file *m, void *v)

{

	int len = 0;

	off_t begin;



	len += sprintf(buffer,

	seq_printf(m,

		       "JFS Logmgr stats\n"

		       "================\n"

		       "commits = %d\n"
@@ -2522,19 +2519,19 @@ int jfs_lmstats_read(char *buffer, char **start, off_t offset, int length, 
		       lmStat.pagedone,

		       lmStat.full_page,

		       lmStat.partial_page);

	return 0;

}



	begin = offset;

	*start = buffer + begin;

	len -= begin;



	if (len > length)

		len = length;

	else

		*eof = 1;



	if (len < 0)

		len = 0;



	return len;

static int jfs_lmstats_proc_open(struct inode *inode, struct file *file)

{

	return single_open(file, jfs_lmstats_proc_show, NULL);

}



const struct file_operations jfs_lmstats_proc_fops = {

	.owner		= THIS_MODULE,

	.open		= jfs_lmstats_proc_open,

	.read		= seq_read,

	.llseek		= seq_lseek,

	.release	= single_release,

};

#endif /* CONFIG_JFS_STATISTICS */

fs/jfs/jfs_metapage.c

+17 −19
Original line number Diff line number Diff line
@@ -19,10 +19,12 @@ 


#include <linux/fs.h>

#include <linux/mm.h>

#include <linux/module.h>

#include <linux/bio.h>

#include <linux/init.h>

#include <linux/buffer_head.h>

#include <linux/mempool.h>

#include <linux/seq_file.h>

#include "jfs_incore.h"

#include "jfs_superblock.h"

#include "jfs_filsys.h"
@@ -804,13 +806,9 @@ void __invalidate_metapages(struct inode *ip, s64 addr, int len) 
}



#ifdef CONFIG_JFS_STATISTICS

int jfs_mpstat_read(char *buffer, char **start, off_t offset, int length,

		    int *eof, void *data)

static int jfs_mpstat_proc_show(struct seq_file *m, void *v)

{

	int len = 0;

	off_t begin;



	len += sprintf(buffer,

	seq_printf(m,

		       "JFS Metapage statistics\n"

		       "=======================\n"

		       "page allocations = %d\n"
@@ -819,19 +817,19 @@ int jfs_mpstat_read(char *buffer, char **start, off_t offset, int length, 
		       mpStat.pagealloc,

		       mpStat.pagefree,

		       mpStat.lockwait);

	return 0;

}



	begin = offset;

	*start = buffer + begin;

	len -= begin;



	if (len > length)

		len = length;

	else

		*eof = 1;



	if (len < 0)

		len = 0;



	return len;

static int jfs_mpstat_proc_open(struct inode *inode, struct file *file)

{

	return single_open(file, jfs_mpstat_proc_show, NULL);

}



const struct file_operations jfs_mpstat_proc_fops = {

	.owner		= THIS_MODULE,

	.open		= jfs_mpstat_proc_open,

	.read		= seq_read,

	.llseek		= seq_lseek,

	.release	= single_release,

};

#endif

fs/jfs/jfs_txnmgr.c

+31 −37
Original line number Diff line number Diff line
@@ -49,6 +49,7 @@ 
#include <linux/module.h>

#include <linux/moduleparam.h>

#include <linux/kthread.h>

#include <linux/seq_file.h>

#include "jfs_incore.h"

#include "jfs_inode.h"

#include "jfs_filsys.h"
@@ -3009,11 +3010,8 @@ int jfs_sync(void *arg) 
}



#if defined(CONFIG_PROC_FS) && defined(CONFIG_JFS_DEBUG)

int jfs_txanchor_read(char *buffer, char **start, off_t offset, int length,

		      int *eof, void *data)

static int jfs_txanchor_proc_show(struct seq_file *m, void *v)

{

	int len = 0;

	off_t begin;

	char *freewait;

	char *freelockwait;

	char *lowlockwait;
@@ -3025,7 +3023,7 @@ int jfs_txanchor_read(char *buffer, char **start, off_t offset, int length, 
	lowlockwait =

	    waitqueue_active(&TxAnchor.lowlockwait) ? "active" : "empty";



	len += sprintf(buffer,

	seq_printf(m,

		       "JFS TxAnchor\n"

		       "============\n"

		       "freetid = %d\n"
@@ -3044,31 +3042,27 @@ int jfs_txanchor_read(char *buffer, char **start, off_t offset, int length, 
		       TxAnchor.tlocksInUse,

		       jfs_tlocks_low,

		       list_empty(&TxAnchor.unlock_queue) ? "" : "not ");

	return 0;

}



	begin = offset;

	*start = buffer + begin;

	len -= begin;



	if (len > length)

		len = length;

	else

		*eof = 1;



	if (len < 0)

		len = 0;



	return len;

static int jfs_txanchor_proc_open(struct inode *inode, struct file *file)

{

	return single_open(file, jfs_txanchor_proc_show, NULL);

}



const struct file_operations jfs_txanchor_proc_fops = {

	.owner		= THIS_MODULE,

	.open		= jfs_txanchor_proc_open,

	.read		= seq_read,

	.llseek		= seq_lseek,

	.release	= single_release,

};

#endif



#if defined(CONFIG_PROC_FS) && defined(CONFIG_JFS_STATISTICS)

int jfs_txstats_read(char *buffer, char **start, off_t offset, int length,

		     int *eof, void *data)

static int jfs_txstats_proc_show(struct seq_file *m, void *v)

{

	int len = 0;

	off_t begin;



	len += sprintf(buffer,

	seq_printf(m,

		       "JFS TxStats\n"

		       "===========\n"

		       "calls to txBegin = %d\n"
@@ -3089,19 +3083,19 @@ int jfs_txstats_read(char *buffer, char **start, off_t offset, int length, 
		       TxStat.txBeginAnon_lockslow,

		       TxStat.txLockAlloc,

		       TxStat.txLockAlloc_freelock);

	return 0;

}



	begin = offset;

	*start = buffer + begin;

	len -= begin;



	if (len > length)

		len = length;

	else

		*eof = 1;



	if (len < 0)

		len = 0;



	return len;

static int jfs_txstats_proc_open(struct inode *inode, struct file *file)

{

	return single_open(file, jfs_txstats_proc_show, NULL);

}



const struct file_operations jfs_txstats_proc_fops = {

	.owner		= THIS_MODULE,

	.open		= jfs_txstats_proc_open,

	.read		= seq_read,

	.llseek		= seq_lseek,

	.release	= single_release,

};

#endif