aboutsummaryrefslogtreecommitdiffstats
path: root/include/linux/coda_proc.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/linux/coda_proc.h')
-rw-r--r--include/linux/coda_proc.h76
1 files changed, 76 insertions, 0 deletions
diff --git a/include/linux/coda_proc.h b/include/linux/coda_proc.h
new file mode 100644
index 000000000000..0dc1b0458e75
--- /dev/null
+++ b/include/linux/coda_proc.h
@@ -0,0 +1,76 @@
+/*
+ * coda_statis.h
+ *
+ * CODA operation statistics
+ *
+ * (c) March, 1998
+ * by Michihiro Kuramochi, Zhenyu Xia and Zhanyong Wan
+ * zhanyong.wan@yale.edu
+ *
+ */
+
+#ifndef _CODA_PROC_H
+#define _CODA_PROC_H
+
+void coda_sysctl_init(void);
+void coda_sysctl_clean(void);
+
+#include <linux/sysctl.h>
+#include <linux/coda_fs_i.h>
+#include <linux/coda.h>
+
+/* these four files are presented to show the result of the statistics:
+ *
+ * /proc/fs/coda/vfs_stats
+ * cache_inv_stats
+ *
+ * these four files are presented to reset the statistics to 0:
+ *
+ * /proc/sys/coda/vfs_stats
+ * cache_inv_stats
+ */
+
+/* VFS operation statistics */
+struct coda_vfs_stats
+{
+ /* file operations */
+ int open;
+ int flush;
+ int release;
+ int fsync;
+
+ /* dir operations */
+ int readdir;
+
+ /* inode operations */
+ int create;
+ int lookup;
+ int link;
+ int unlink;
+ int symlink;
+ int mkdir;
+ int rmdir;
+ int rename;
+ int permission;
+
+ /* symlink operatoins*/
+ int follow_link;
+ int readlink;
+};
+
+/* cache invalidation statistics */
+struct coda_cache_inv_stats
+{
+ int flush;
+ int purge_user;
+ int zap_dir;
+ int zap_file;
+ int zap_vnode;
+ int purge_fid;
+ int replace;
+};
+
+/* these global variables hold the actual statistics data */
+extern struct coda_vfs_stats coda_vfs_stat;
+
+#endif /* _CODA_PROC_H */