source: svn/trunk/newcon3bcm2_21bu/toolchain/mips-linux-uclibc/include/linux/coda_proc.h

Last change on this file was 2, checked in by jglee, 11 years ago

first commit
  • Property svn:executable set to *
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1/*
2 * coda_statis.h
3 *
4 * CODA operation statistics
5 *
6 * (c) March, 1998
7 * by Michihiro Kuramochi, Zhenyu Xia and Zhanyong Wan
8 * zhanyong.wan@yale.edu
9 *
10 */
11
12#ifndef _CODA_PROC_H
13#define _CODA_PROC_H
14
15void coda_sysctl_init(void);
16void coda_sysctl_clean(void);
17
18#include <linux/sysctl.h>
19#include <linux/coda.h>
20
21/* these four files are presented to show the result of the statistics:
22 *
23 *      /proc/fs/coda/vfs_stats
24 *                    cache_inv_stats
25 *
26 * these four files are presented to reset the statistics to 0:
27 *
28 *      /proc/sys/coda/vfs_stats
29 *                     cache_inv_stats
30 */
31
32/* VFS operation statistics */
33struct coda_vfs_stats
34{
35        /* file operations */
36        int open;
37        int flush;
38        int release;
39        int fsync;
40
41        /* dir operations */
42        int readdir;
43 
44        /* inode operations */
45        int create;
46        int lookup;
47        int link;
48        int unlink;
49        int symlink;
50        int mkdir;
51        int rmdir;
52        int rename;
53        int permission;
54
55        /* symlink operatoins*/
56        int follow_link;
57        int readlink;
58};
59
60/* cache invalidation statistics */
61struct coda_cache_inv_stats
62{
63        int flush;
64        int purge_user;
65        int zap_dir;
66        int zap_file;
67        int zap_vnode;
68        int purge_fid;
69        int replace;
70};
71
72/* these global variables hold the actual statistics data */
73extern struct coda_vfs_stats            coda_vfs_stat;
74
75#endif /* _CODA_PROC_H */
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