Replace remaining references to "driverfs" with "sysfs".

Globally, s/driverfs/sysfs/g.

Signed-off-by: Robert P. J. Day <rpjday@mindspring.com>
Signed-off-by: Adrian Bunk <bunk@stusta.de>
diff --git a/arch/i386/oprofile/nmi_int.c b/arch/i386/oprofile/nmi_int.c
index 3700eef..8fda7be 100644
--- a/arch/i386/oprofile/nmi_int.c
+++ b/arch/i386/oprofile/nmi_int.c
@@ -63,7 +63,7 @@
 };
 
 
-static int __init init_driverfs(void)
+static int __init init_sysfs(void)
 {
 	int error;
 	if (!(error = sysdev_class_register(&oprofile_sysclass)))
@@ -72,15 +72,15 @@
 }
 
 
-static void exit_driverfs(void)
+static void exit_sysfs(void)
 {
 	sysdev_unregister(&device_oprofile);
 	sysdev_class_unregister(&oprofile_sysclass);
 }
 
 #else
-#define init_driverfs() do { } while (0)
-#define exit_driverfs() do { } while (0)
+#define init_sysfs() do { } while (0)
+#define exit_sysfs() do { } while (0)
 #endif /* CONFIG_PM */
 
 static int profile_exceptions_notify(struct notifier_block *self,
@@ -385,7 +385,7 @@
 	return 1;
 }
 
-/* in order to get driverfs right */
+/* in order to get sysfs right */
 static int using_nmi;
 
 int __init op_nmi_init(struct oprofile_operations *ops)
@@ -440,7 +440,7 @@
 			return -ENODEV;
 	}
 
-	init_driverfs();
+	init_sysfs();
 	using_nmi = 1;
 	ops->create_files = nmi_create_files;
 	ops->setup = nmi_setup;
@@ -456,5 +456,5 @@
 void op_nmi_exit(void)
 {
 	if (using_nmi)
-		exit_driverfs();
+		exit_sysfs();
 }