tracing: Move fields from event to class structure

[net-next-2.6.git] / kernel / trace / trace_syscalls.c

diff --git a/kernel/trace/trace_syscalls.c b/kernel/trace/trace_syscalls.c
index a21d366cae46b161387467b6013fdaa33b23c62a..cceccf0d2e91a2b5260a6f3d5b62a101893178c1 100644 (file)
--- a/kernel/trace/trace_syscalls.c
+++ b/kernel/trace/trace_syscalls.c
@@ -20,14 +20,37 @@ static int syscall_enter_register(struct ftrace_event_call *event,
 static int syscall_exit_register(struct ftrace_event_call *event,
                                 enum trace_reg type);
 
+static int syscall_enter_define_fields(struct ftrace_event_call *call);
+static int syscall_exit_define_fields(struct ftrace_event_call *call);
+
+static struct list_head *
+syscall_get_enter_fields(struct ftrace_event_call *call)
+{
+       struct syscall_metadata *entry = call->data;
+
+       return &entry->enter_fields;
+}
+
+static struct list_head *
+syscall_get_exit_fields(struct ftrace_event_call *call)
+{
+       struct syscall_metadata *entry = call->data;
+
+       return &entry->exit_fields;
+}
+
 struct ftrace_event_class event_class_syscall_enter = {
        .system                 = "syscalls",
-       .reg                    = syscall_enter_register
+       .reg                    = syscall_enter_register,
+       .define_fields          = syscall_enter_define_fields,
+       .get_fields             = syscall_get_enter_fields,
 };
 
 struct ftrace_event_class event_class_syscall_exit = {
        .system                 = "syscalls",
-       .reg                    = syscall_exit_register
+       .reg                    = syscall_exit_register,
+       .define_fields          = syscall_exit_define_fields,
+       .get_fields             = syscall_get_exit_fields,
 };
 
 extern unsigned long __start_syscalls_metadata[];
@@ -220,7 +243,7 @@ static void free_syscall_print_fmt(struct ftrace_event_call *call)
                kfree(call->print_fmt);
 }
 
-int syscall_enter_define_fields(struct ftrace_event_call *call)
+static int syscall_enter_define_fields(struct ftrace_event_call *call)
 {
        struct syscall_trace_enter trace;
        struct syscall_metadata *meta = call->data;
@@ -243,7 +266,7 @@ int syscall_enter_define_fields(struct ftrace_event_call *call)
        return ret;
 }
 
-int syscall_exit_define_fields(struct ftrace_event_call *call)
+static int syscall_exit_define_fields(struct ftrace_event_call *call)
 {
        struct syscall_trace_exit trace;
        int ret;