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Subject[patch 31/50] locking/ww_mutex: Move ww_mutex declarations into ww_mutex.h
From: Thomas Gleixner <tglx@linutronix.de>

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

Preperatory change to allow compiling ww_mutex standalone.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
include/linux/mutex.h | 11 -----------
include/linux/ww_mutex.h | 8 ++++++++
2 files changed, 8 insertions(+), 11 deletions(-)
---
diff --git a/include/linux/mutex.h b/include/linux/mutex.h
index 62bafee747e9..db3367586a06 100644
--- 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) \
diff --git a/include/linux/ww_mutex.h b/include/linux/ww_mutex.h
index b77f39f319ad..590aaa207757 100644
--- 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;
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