From: Thomas Gleixner <tglx@linutronix.de>
Date: Sun, 15 Aug 2021 21:28:34 +0000 (+0200)
Subject: locking/ww_mutex: Move the ww_mutex definitions from <linux/mutex.h> into <linux... 
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=4f1893ec8cfb4b17e3b89158a1e3e550a9a9bf3c;p=linux.git

locking/ww_mutex: Move the ww_mutex definitions from <linux/mutex.h> into <linux/ww_mutex.h>

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

Preparatory change to allow compiling ww_mutexes standalone.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Link: https://lore.kernel.org/r/20210815211304.110216293@linutronix.de
---

diff --git a/include/linux/mutex.h b/include/linux/mutex.h
index 62bafee747e96..db3367586a064 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 b77f39f319add..590aaa2077576 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;