[patch V4 36/68] locking/ww_mutex: Move ww_mutex declarations into ww_mutex.h

[Thomas Gleixner]

From: Thomas Gleixner <tglx@xxxxxxxxxxxxx>

Move the ww_mutex declarations into the ww_mutex specific header where they
belong.

Preparatory change to allow compiling ww_mutex standalone.

Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
---
 include/linux/mutex.h    |   11 -----------
 include/linux/ww_mutex.h |    8 ++++++++
 2 files changed, 8 insertions(+), 11 deletions(-)
---
--- a/include/linux/mutex.h
+++ b/include/linux/mutex.h
@@ -20,9 +20,6 @@
 #include <linux/osq_lock.h>
 #include <linux/debug_locks.h>
 
-struct ww_class;
-struct ww_acquire_ctx;
-
 /*
  * Simple, straightforward mutexes with strict semantics:
  *
@@ -66,14 +63,6 @@ struct mutex {
 #endif
 };
 
-struct ww_mutex {
-	struct mutex base;
-	struct ww_acquire_ctx *ctx;
-#ifdef CONFIG_DEBUG_MUTEXES
-	struct ww_class *ww_class;
-#endif
-};
-
 #ifdef CONFIG_DEBUG_MUTEXES
 
 #define __DEBUG_MUTEX_INITIALIZER(lockname)				\
--- a/include/linux/ww_mutex.h
+++ b/include/linux/ww_mutex.h
@@ -28,6 +28,14 @@ struct ww_class {
 	unsigned int is_wait_die;
 };
 
+struct ww_mutex {
+	struct mutex base;
+	struct ww_acquire_ctx *ctx;
+#ifdef CONFIG_DEBUG_MUTEXES
+	struct ww_class *ww_class;
+#endif
+};
+
 struct ww_acquire_ctx {
 	struct task_struct *task;
 	unsigned long stamp;