tracing: Let tracepoints have data passed to tracepoint callbacks

[sfrench/cifs-2.6.git] / samples / tracepoints / tracepoint-probe-sample2.c

diff --git a/samples/tracepoints/tracepoint-probe-sample2.c b/samples/tracepoints/tracepoint-probe-sample2.c
index be2a960573f174991fe26c4ccdfd5794bc61c988..9fcf990e5d4bd01c7095471105b2260028be1919 100644 (file)
--- a/samples/tracepoints/tracepoint-probe-sample2.c
+++ b/samples/tracepoints/tracepoint-probe-sample2.c
@@ -12,7 +12,8 @@
  * Here the caller only guarantees locking for struct file and struct inode.
  * Locking must therefore be done in the probe to use the dentry.
  */
-static void probe_subsys_event(struct inode *inode, struct file *file)
+static void probe_subsys_event(void *ignore,
+                              struct inode *inode, struct file *file)
 {
        printk(KERN_INFO "Event is encountered with inode number %lu\n",
                inode->i_ino);
@@ -22,7 +23,7 @@ static int __init tp_sample_trace_init(void)
 {
        int ret;
 
-       ret = register_trace_subsys_event(probe_subsys_event);
+       ret = register_trace_subsys_event(probe_subsys_event, NULL);
        WARN_ON(ret);
 
        return 0;
@@ -32,7 +33,7 @@ module_init(tp_sample_trace_init);
 
 static void __exit tp_sample_trace_exit(void)
 {
-       unregister_trace_subsys_event(probe_subsys_event);
+       unregister_trace_subsys_event(probe_subsys_event, NULL);
        tracepoint_synchronize_unregister();
 }