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

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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
This commit is contained in:
Thomas Gleixner 2021-08-15 23:28:34 +02:00 committed by Ingo Molnar
parent 43d2d52d70
commit 4f1893ec8c
2 changed files with 8 additions and 11 deletions
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11
include/linux/mutex.h
View File

@ -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) \

8
include/linux/ww_mutex.h
View File

@ -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;