*
* 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,
.mode = 0644,
.proc_handler = &proc_dointvec
},
- {
- .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",
};
-#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
}
git.openpandora.org / pandora-kernel.git / blobdiff