Cleanup: move to kernel style SPDX license identifiers

[lttng-modules.git] / probes / lttng-probe-writeback.c

diff --git a/probes/lttng-probe-writeback.c b/probes/lttng-probe-writeback.c
index 0a5c0221de8ddfe7e49916e438783f77de211671..d0a4be6a42ad97d72a687ee90a0140a3b22e40b8 100644 (file)
--- a/probes/lttng-probe-writeback.c
+++ b/probes/lttng-probe-writeback.c
@@ -1,29 +1,17 @@
-/*
+/* SPDX-License-Identifier: (GPL-2.0 or LGPL-2.1)
+ *
  * probes/lttng-probe-writeback.c
  *
  * LTTng writeback probes.
  *
  * Copyright (C) 2010-2012 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
  * Copyright (C) 2012 Mentor Graphics Corp.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; only
- * version 2.1 of the License.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
 #include <linux/module.h>
 #include <linux/device.h>
 #include <linux/mm.h>
+#include <lttng-tracer.h>
 
 /*
  * Create the tracepoint static inlines from the kernel to validate that our
@@ -31,28 +19,13 @@
  */
 #include <trace/events/writeback.h>
 
-#include "../lttng-kernel-version.h"
+#include <lttng-kernel-version.h>
+#include <wrapper/writeback.h>
 
 /* #if <check version number if global_dirty_limit will be exported> */
-#ifdef CONFIG_KALLSYMS
-#include "../wrapper/kallsyms.h"
 
-static unsigned long *wrapper_global_dirty_limit_sym = 0;
-static inline
-unsigned long wrapper_global_dirty_limit(void)
-{
-       if (!wrapper_global_dirty_limit_sym)
-               wrapper_global_dirty_limit_sym =
-                       (void *)kallsyms_lookup_funcptr("global_dirty_limit");
-       if (wrapper_global_dirty_limit_sym)
-               return *wrapper_global_dirty_limit_sym;
-       else {
-               printk(KERN_WARNING "LTTng: global_dirty_limit symbol lookup failed.\n");
-               return 0;
-       }
-}
 #define global_dirty_limit wrapper_global_dirty_limit()
-#endif
+
 /* #endif <check version number> */
 
 /*
@@ -60,10 +33,14 @@ unsigned long wrapper_global_dirty_limit(void)
  */
 #define LTTNG_PACKAGE_BUILD
 #define CREATE_TRACE_POINTS
-#define TRACE_INCLUDE_PATH ../instrumentation/events/lttng-module
+#define TRACE_INCLUDE_PATH instrumentation/events/lttng-module
 
-#include "../instrumentation/events/lttng-module/writeback.h"
+#include <instrumentation/events/lttng-module/writeback.h>
 
 MODULE_LICENSE("GPL and additional rights");
 MODULE_AUTHOR("Andrew Gabbasov <andrew_gabbasov@mentor.com>");
 MODULE_DESCRIPTION("LTTng writeback probes");
+MODULE_VERSION(__stringify(LTTNG_MODULES_MAJOR_VERSION) "."
+       __stringify(LTTNG_MODULES_MINOR_VERSION) "."
+       __stringify(LTTNG_MODULES_PATCHLEVEL_VERSION)
+       LTTNG_MODULES_EXTRAVERSION);