coda: remove statistics counters from /proc/fs/coda

Similar information can easily be obtained with strace -c.

Signed-off-by: Jan Harkes <jaharkes@cs.cmu.edu>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 3 insertions, 225 deletions

diff --git a/fs/coda/sysctl.c b/fs/coda/sysctl.c
index c57a1fa..81b7771 100644
--- a/fs/coda/sysctl.c
+++ b/fs/coda/sysctl.c
@@ -5,181 +5,14 @@
  * 
  * Carnegie Mellon encourages users to contribute improvements to
  * the Coda project. Contact Peter Braam (coda@cs.cmu.edu).
- * 
- * CODA operation statistics
- * (c) March, 1998 Zhanyong Wan <zhanyong.wan@yale.edu>
- *
  */
 
-#include <linux/time.h>
-#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>
-#include <linux/bitops.h>
-#include <asm/uaccess.h>
-#include <linux/utsname.h>
-#include <linux/module.h>
 
-#include <linux/coda.h>
-#include <linux/coda_linux.h>
-#include <linux/coda_fs_i.h>
-#include <linux/coda_psdev.h>
-#include <linux/coda_cache.h>
-#include <linux/coda_proc.h>
+#include "coda_int.h"
 
 static struct ctl_table_header *fs_table_header;
 
-#define CODA_TIMEOUT    3       /* timeout on upcalls to become intrble */
-#define CODA_HARD       5       /* mount type "hard" or "soft" */
-#define CODA_VFS 	 6       /* vfs statistics */
-#define CODA_CACHE_INV 	 9       /* cache invalidation statistics */
-#define CODA_FAKE_STATFS 10	 /* don't query venus for actual cache usage */
-
-struct coda_vfs_stats		coda_vfs_stat;
-static struct coda_cache_inv_stats	coda_cache_inv_stat;
-
-static void reset_coda_vfs_stats( void )
-{
-	memset( &coda_vfs_stat, 0, sizeof( coda_vfs_stat ) );
-}
-
-static void reset_coda_cache_inv_stats( void )
-{
-	memset( &coda_cache_inv_stat, 0, sizeof( coda_cache_inv_stat ) );
-}
-
-static int do_reset_coda_vfs_stats( ctl_table * table, int write,
-				    struct file * filp, void __user * buffer,
-				    size_t * lenp, loff_t * ppos )
-{
-	if ( write ) {
-		reset_coda_vfs_stats();
-
-		*ppos += *lenp;
-	} else {
-		*lenp = 0;
-	}
-
-	return 0;
-}
-
-static int do_reset_coda_cache_inv_stats( ctl_table * table, int write,
-					  struct file * filp,
-					  void __user * buffer,
-					  size_t * lenp, loff_t * ppos )
-{
-	if ( write ) {
-		reset_coda_cache_inv_stats();
-
-		*ppos += *lenp;
-	} else {
-		*lenp = 0;
-	}
-  
-	return 0;
-}
-
-static int proc_vfs_stats_show(struct seq_file *m, void *v)
-{
-	struct coda_vfs_stats * ps = & coda_vfs_stat;
-  
-	seq_printf(m,
-			"Coda VFS statistics\n"
-			"===================\n\n"
-			"File Operations:\n"
-			"\topen\t\t%9d\n"
-			"\tflush\t\t%9d\n"
-			"\trelease\t\t%9d\n"
-			"\tfsync\t\t%9d\n\n"
-			"Dir Operations:\n"
-			"\treaddir\t\t%9d\n\n"
-			"Inode Operations\n"
-			"\tcreate\t\t%9d\n"
-			"\tlookup\t\t%9d\n"
-			"\tlink\t\t%9d\n"
-			"\tunlink\t\t%9d\n"
-			"\tsymlink\t\t%9d\n"
-			"\tmkdir\t\t%9d\n"
-			"\trmdir\t\t%9d\n"
-			"\trename\t\t%9d\n"
-			"\tpermission\t%9d\n",
-
-			/* file operations */
-			ps->open,
-			ps->flush,
-			ps->release,
-			ps->fsync,
-
-			/* dir operations */
-			ps->readdir,
-		  
-			/* inode operations */
-			ps->create,
-			ps->lookup,
-			ps->link,
-			ps->unlink,
-			ps->symlink,
-			ps->mkdir,
-			ps->rmdir,
-			ps->rename,
-			ps->permission); 
-	return 0;
-}
-
-static int proc_cache_inv_stats_show(struct seq_file *m, void *v)
-{
-	struct coda_cache_inv_stats * ps = & coda_cache_inv_stat;
-  
-	seq_printf(m,
-			"Coda cache invalidation statistics\n"
-			"==================================\n\n"
-			"flush\t\t%9d\n"
-			"purge user\t%9d\n"
-			"zap_dir\t\t%9d\n"
-			"zap_file\t%9d\n"
-			"zap_vnode\t%9d\n"
-			"purge_fid\t%9d\n"
-			"replace\t\t%9d\n",
-			ps->flush,
-			ps->purge_user,
-			ps->zap_dir,
-			ps->zap_file,
-			ps->zap_vnode,
-			ps->purge_fid,
-			ps->replace );
-	return 0;
-}
-
-static int proc_vfs_stats_open(struct inode *inode, struct file *file)
-{
-	return single_open(file, proc_vfs_stats_show, NULL);
-}
-
-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[] = {
 	{
 		.ctl_name	= CTL_UNNUMBERED,
@@ -199,22 +32,6 @@ static ctl_table coda_table[] = {
 	},
 	{
 		.ctl_name	= CTL_UNNUMBERED,
-		.procname	= "vfs_stats",
-		.data		= NULL,
-		.maxlen		= 0,
-		.mode		= 0644,
-		.proc_handler	= &do_reset_coda_vfs_stats
-	},
-	{
-		.ctl_name	= CTL_UNNUMBERED,
-		.procname	= "cache_inv_stats",
-		.data		= NULL,
-		.maxlen		= 0,
-		.mode		= 0644,
-		.proc_handler	= &do_reset_coda_cache_inv_stats
-	},
-	{
-		.ctl_name	= CTL_UNNUMBERED,
 		.procname	= "fake_statfs",
 		.data		= &coda_fake_statfs,
 		.maxlen		= sizeof(int),
@@ -235,59 +52,20 @@ static ctl_table fs_table[] = {
 };
 
 
-#ifdef CONFIG_PROC_FS
-
-/*
- target directory structure:
-   /proc/fs  (see linux/fs/proc/root.c)
-   /proc/fs/coda
-   /proc/fs/coda/{vfs_stats,
-
-*/
-
-static struct proc_dir_entry* proc_fs_coda;
-
-#endif
-
 void coda_sysctl_init(void)
 {
-	reset_coda_vfs_stats();
-	reset_coda_cache_inv_stats();
-
-#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;
-		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
-
 #ifdef CONFIG_SYSCTL
 	if ( !fs_table_header )
 		fs_table_header = register_sysctl_table(fs_table);
-#endif 
+#endif
 }
 
-void coda_sysctl_clean(void) 
+void coda_sysctl_clean(void)
 {
-
 #ifdef CONFIG_SYSCTL
 	if ( fs_table_header ) {
 		unregister_sysctl_table(fs_table_header);
 		fs_table_header = NULL;
 	}
 #endif
-
-#ifdef CONFIG_PROC_FS
-        remove_proc_entry("cache_inv_stats", proc_fs_coda);
-        remove_proc_entry("vfs_stats", proc_fs_coda);
-	remove_proc_entry("coda", proc_root_fs);
-#endif 
 }