Commit 9bbf81e4 authored by Alexey Dobriyan's avatar Alexey Dobriyan Committed by Linus Torvalds
Browse files

[PATCH] seq_file conversion: coda 



Compile-tested.

Signed-off-by: default avatarAlexey Dobriyan <adobriyan@gmail.com>
Cc: <jaharkes@cs.cmu.edu>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 85cc9b11

fs/coda/sysctl.c

+39 −37
Original line number Diff line number Diff line
@@ -15,6 +15,7 @@ 
#include <linux/mm.h>

#include <linux/sysctl.h>

#include <linux/proc_fs.h>

#include <linux/seq_file.h>

#include <linux/slab.h>

#include <linux/stat.h>

#include <linux/ctype.h>
@@ -84,15 +85,11 @@ static int do_reset_coda_cache_inv_stats( ctl_table * table, int write, 
	return 0;

}



static int coda_vfs_stats_get_info( char * buffer, char ** start,

				    off_t offset, int length)

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

{

	int len=0;

	off_t begin;

	struct coda_vfs_stats * ps = & coda_vfs_stat;

  

  /* this works as long as we are below 1024 characters! */

	len += sprintf( buffer,

	seq_printf(m,

			"Coda VFS statistics\n"

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

			"File Operations:\n"
@@ -132,28 +129,14 @@ static int coda_vfs_stats_get_info( char * buffer, char ** start, 
			ps->rmdir,

			ps->rename,

			ps->permission); 



	begin = offset;

	*start = buffer + begin;

	len -= begin;



	if ( len > length )

		len = length;

	if ( len < 0 )

		len = 0;



	return len;

	return 0;

}



static int coda_cache_inv_stats_get_info( char * buffer, char ** start,

					  off_t offset, int length)

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

{

	int len=0;

	off_t begin;

	struct coda_cache_inv_stats * ps = & coda_cache_inv_stat;

  

	/* this works as long as we are below 1024 characters! */

	len += sprintf( buffer,

	seq_printf(m,

			"Coda cache invalidation statistics\n"

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

			"flush\t\t%9d\n"
@@ -170,19 +153,35 @@ static int coda_cache_inv_stats_get_info( char * buffer, char ** start, 
			ps->zap_vnode,

			ps->purge_fid,

			ps->replace );

	return 0;

}



	begin = offset;

	*start = buffer + begin;

	len -= begin;



	if ( len > length )

		len = length;

	if ( len < 0 )

		len = 0;

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

{

	return single_open(file, proc_vfs_stats_show, NULL);

}



	return len;

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

{

	return single_open(file, proc_cache_inv_stats_show, NULL);

}



static const struct file_operations proc_vfs_stats_fops = {

	.owner		= THIS_MODULE,

	.open		= proc_vfs_stats_open,

	.read		= seq_read,

	.llseek		= seq_lseek,

	.release	= single_release,

};



static const struct file_operations proc_cache_inv_stats_fops = {

	.owner		= THIS_MODULE,

	.open		= proc_cache_inv_stats_open,

	.read		= seq_read,

	.llseek		= seq_lseek,

	.release	= single_release,

};



static ctl_table coda_table[] = {

 	{CODA_TIMEOUT, "timeout", &coda_timeout, sizeof(int), 0644, NULL, &proc_dointvec},

 	{CODA_HARD, "hard", &coda_hard, sizeof(int), 0644, NULL, &proc_dointvec},
@@ -212,9 +211,6 @@ static struct proc_dir_entry* proc_fs_coda; 


#endif



#define coda_proc_create(name,get_info) \

	create_proc_info_entry(name, 0, proc_fs_coda, get_info)



void coda_sysctl_init(void)

{

	reset_coda_vfs_stats();
@@ -223,9 +219,15 @@ void coda_sysctl_init(void) 
#ifdef CONFIG_PROC_FS

	proc_fs_coda = proc_mkdir("coda", proc_root_fs);

	if (proc_fs_coda) {

		struct proc_dir_entry *pde;



		proc_fs_coda->owner = THIS_MODULE;

		coda_proc_create("vfs_stats", coda_vfs_stats_get_info);

		coda_proc_create("cache_inv_stats", coda_cache_inv_stats_get_info);

		pde = create_proc_entry("vfs_stats", 0, proc_fs_coda);

		if (pde)

			pde->proc_fops = &proc_vfs_stats_fops;

		pde = create_proc_entry("cache_inv_stats", 0, proc_fs_coda);

		if (pde)

			pde->proc_fops = &proc_cache_inv_stats_fops;

	}

#endif