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@@ -5,181 +5,14 @@
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*
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* Carnegie Mellon encourages users to contribute improvements to
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* the Coda project. Contact Peter Braam (coda@cs.cmu.edu).
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- *
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- * CODA operation statistics
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- * (c) March, 1998 Zhanyong Wan <zhanyong.wan@yale.edu>
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- *
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*/
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-#include <linux/time.h>
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-#include <linux/mm.h>
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#include <linux/sysctl.h>
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-#include <linux/proc_fs.h>
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-#include <linux/seq_file.h>
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-#include <linux/slab.h>
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-#include <linux/stat.h>
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-#include <linux/ctype.h>
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-#include <linux/bitops.h>
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-#include <asm/uaccess.h>
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-#include <linux/utsname.h>
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-#include <linux/module.h>
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-#include <linux/coda.h>
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-#include <linux/coda_linux.h>
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-#include <linux/coda_fs_i.h>
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-#include <linux/coda_psdev.h>
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-#include <linux/coda_cache.h>
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-#include <linux/coda_proc.h>
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+#include "coda_int.h"
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static struct ctl_table_header *fs_table_header;
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-#define CODA_TIMEOUT 3 /* timeout on upcalls to become intrble */
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-#define CODA_HARD 5 /* mount type "hard" or "soft" */
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-#define CODA_VFS 6 /* vfs statistics */
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-#define CODA_CACHE_INV 9 /* cache invalidation statistics */
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-#define CODA_FAKE_STATFS 10 /* don't query venus for actual cache usage */
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-
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-struct coda_vfs_stats coda_vfs_stat;
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-static struct coda_cache_inv_stats coda_cache_inv_stat;
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-
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-static void reset_coda_vfs_stats( void )
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-{
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- memset( &coda_vfs_stat, 0, sizeof( coda_vfs_stat ) );
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-}
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-
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-static void reset_coda_cache_inv_stats( void )
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-{
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- memset( &coda_cache_inv_stat, 0, sizeof( coda_cache_inv_stat ) );
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-}
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-
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-static int do_reset_coda_vfs_stats( ctl_table * table, int write,
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- struct file * filp, void __user * buffer,
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- size_t * lenp, loff_t * ppos )
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-{
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- if ( write ) {
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- reset_coda_vfs_stats();
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-
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- *ppos += *lenp;
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- } else {
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- *lenp = 0;
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- }
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-
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- return 0;
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-}
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-
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-static int do_reset_coda_cache_inv_stats( ctl_table * table, int write,
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- struct file * filp,
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- void __user * buffer,
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- size_t * lenp, loff_t * ppos )
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-{
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- if ( write ) {
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- reset_coda_cache_inv_stats();
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-
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- *ppos += *lenp;
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- } else {
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- *lenp = 0;
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- }
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-
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- return 0;
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-}
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-
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-static int proc_vfs_stats_show(struct seq_file *m, void *v)
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-{
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- struct coda_vfs_stats * ps = & coda_vfs_stat;
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-
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- seq_printf(m,
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- "Coda VFS statistics\n"
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- "===================\n\n"
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- "File Operations:\n"
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- "\topen\t\t%9d\n"
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- "\tflush\t\t%9d\n"
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- "\trelease\t\t%9d\n"
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- "\tfsync\t\t%9d\n\n"
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- "Dir Operations:\n"
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- "\treaddir\t\t%9d\n\n"
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- "Inode Operations\n"
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- "\tcreate\t\t%9d\n"
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- "\tlookup\t\t%9d\n"
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- "\tlink\t\t%9d\n"
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- "\tunlink\t\t%9d\n"
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- "\tsymlink\t\t%9d\n"
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- "\tmkdir\t\t%9d\n"
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- "\trmdir\t\t%9d\n"
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- "\trename\t\t%9d\n"
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- "\tpermission\t%9d\n",
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-
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- /* file operations */
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- ps->open,
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- ps->flush,
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- ps->release,
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- ps->fsync,
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-
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- /* dir operations */
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- ps->readdir,
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-
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- /* inode operations */
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- ps->create,
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- ps->lookup,
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- ps->link,
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- ps->unlink,
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- ps->symlink,
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- ps->mkdir,
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- ps->rmdir,
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- ps->rename,
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- ps->permission);
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- return 0;
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-}
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-
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-static int proc_cache_inv_stats_show(struct seq_file *m, void *v)
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-{
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- struct coda_cache_inv_stats * ps = & coda_cache_inv_stat;
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-
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- seq_printf(m,
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- "Coda cache invalidation statistics\n"
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- "==================================\n\n"
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- "flush\t\t%9d\n"
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- "purge user\t%9d\n"
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- "zap_dir\t\t%9d\n"
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- "zap_file\t%9d\n"
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- "zap_vnode\t%9d\n"
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- "purge_fid\t%9d\n"
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- "replace\t\t%9d\n",
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- ps->flush,
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- ps->purge_user,
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- ps->zap_dir,
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- ps->zap_file,
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- ps->zap_vnode,
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- ps->purge_fid,
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- ps->replace );
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- return 0;
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-}
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-
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-static int proc_vfs_stats_open(struct inode *inode, struct file *file)
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-{
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- return single_open(file, proc_vfs_stats_show, NULL);
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-}
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-
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-static int proc_cache_inv_stats_open(struct inode *inode, struct file *file)
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-{
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- return single_open(file, proc_cache_inv_stats_show, NULL);
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-}
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-
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-static const struct file_operations proc_vfs_stats_fops = {
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- .owner = THIS_MODULE,
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- .open = proc_vfs_stats_open,
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- .read = seq_read,
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- .llseek = seq_lseek,
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- .release = single_release,
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-};
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-
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-static const struct file_operations proc_cache_inv_stats_fops = {
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- .owner = THIS_MODULE,
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- .open = proc_cache_inv_stats_open,
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- .read = seq_read,
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- .llseek = seq_lseek,
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- .release = single_release,
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-};
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-
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static ctl_table coda_table[] = {
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{
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.ctl_name = CTL_UNNUMBERED,
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@@ -197,22 +30,6 @@ static ctl_table coda_table[] = {
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.mode = 0644,
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.proc_handler = &proc_dointvec
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},
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- {
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- .ctl_name = CTL_UNNUMBERED,
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- .procname = "vfs_stats",
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- .data = NULL,
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- .maxlen = 0,
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- .mode = 0644,
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- .proc_handler = &do_reset_coda_vfs_stats
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- },
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- {
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- .ctl_name = CTL_UNNUMBERED,
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- .procname = "cache_inv_stats",
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- .data = NULL,
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- .maxlen = 0,
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- .mode = 0644,
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- .proc_handler = &do_reset_coda_cache_inv_stats
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- },
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{
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.ctl_name = CTL_UNNUMBERED,
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.procname = "fake_statfs",
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@@ -235,59 +52,20 @@ static ctl_table fs_table[] = {
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};
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-#ifdef CONFIG_PROC_FS
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-
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-/*
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- target directory structure:
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- /proc/fs (see linux/fs/proc/root.c)
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- /proc/fs/coda
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- /proc/fs/coda/{vfs_stats,
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-
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-*/
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-
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-static struct proc_dir_entry* proc_fs_coda;
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-
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-#endif
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-
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void coda_sysctl_init(void)
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{
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- reset_coda_vfs_stats();
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- reset_coda_cache_inv_stats();
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-
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-#ifdef CONFIG_PROC_FS
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- proc_fs_coda = proc_mkdir("coda", proc_root_fs);
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- if (proc_fs_coda) {
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- struct proc_dir_entry *pde;
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-
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- proc_fs_coda->owner = THIS_MODULE;
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- pde = create_proc_entry("vfs_stats", 0, proc_fs_coda);
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- if (pde)
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- pde->proc_fops = &proc_vfs_stats_fops;
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- pde = create_proc_entry("cache_inv_stats", 0, proc_fs_coda);
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- if (pde)
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- pde->proc_fops = &proc_cache_inv_stats_fops;
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- }
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-#endif
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-
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#ifdef CONFIG_SYSCTL
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if ( !fs_table_header )
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fs_table_header = register_sysctl_table(fs_table);
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-#endif
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+#endif
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}
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-void coda_sysctl_clean(void)
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+void coda_sysctl_clean(void)
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{
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-
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#ifdef CONFIG_SYSCTL
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if ( fs_table_header ) {
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unregister_sysctl_table(fs_table_header);
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fs_table_header = NULL;
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}
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#endif
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-
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-#ifdef CONFIG_PROC_FS
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- remove_proc_entry("cache_inv_stats", proc_fs_coda);
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- remove_proc_entry("vfs_stats", proc_fs_coda);
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- remove_proc_entry("coda", proc_root_fs);
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-#endif
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}
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Jan Harkes