diff -aur -X diff-exclude 2.6.9-orig/fs/proc/proc_misc.c 2.6.9-limiter/fs/proc/proc_misc.c
--- 2.6.9-orig/fs/proc/proc_misc.c	2004-10-18 17:53:21.000000000 -0400
+++ 2.6.9-limiter/fs/proc/proc_misc.c	2004-11-23 00:52:17.018038593 -0500
@@ -50,6 +50,8 @@
 #include <asm/tlb.h>
 #include <asm/div64.h>
 
+#include "ubd_user.h"
+
 #define LOAD_INT(x) ((x) >> FSHIFT)
 #define LOAD_FRAC(x) LOAD_INT(((x) & (FIXED_1-1)) * 100)
 /*
@@ -247,6 +249,26 @@
 	.release	= seq_release,
 };
 
+static int io_status_read_proc(char *page, char **start, off_t off,
+                                 int count, int *eof, void *data)
+{
+	int len;
+        char str[256];
+
+        sprintf(str, "io_count=%d io_rate=%d io_tokens=%d token_refill=%d token_max=%d\n",
+                get_io_count(),
+                get_io_rate(),
+                get_io_tokens(),
+                get_token_refill(),
+                get_token_max()
+        );
+
+	strcpy(page, str);
+        len = strlen(page);
+
+	return proc_calc_metrics(page, start, off, count, eof, len);
+}
+
 static int version_read_proc(char *page, char **start, off_t off,
 				 int count, int *eof, void *data)
 {
@@ -595,6 +617,7 @@
 		{"cmdline",	cmdline_read_proc},
 		{"locks",	locks_read_proc},
 		{"execdomains",	execdomains_read_proc},
+		{"io_status",	io_status_read_proc},
 		{NULL,}
 	};
 	for (p = simple_ones; p->name; p++)