47 	struct ww_acquire_ctx *ctx;  member
89 	lock->ctx = NULL;  in ww_mutex_init()
119 static inline void ww_acquire_init(struct ww_acquire_ctx *ctx,  in ww_acquire_init()  argument
122 	ctx->task = current;  in ww_acquire_init()
123 	ctx->stamp = atomic_long_inc_return(&ww_class->stamp);  in ww_acquire_init()
124 	ctx->acquired = 0;  in ww_acquire_init()
126 	ctx->ww_class = ww_class;  in ww_acquire_init()
127 	ctx->done_acquire = 0;  in ww_acquire_init()
128 	ctx->contending_lock = NULL;  in ww_acquire_init()
131 	debug_check_no_locks_freed((void *)ctx, sizeof(*ctx));  in ww_acquire_init()
132 	lockdep_init_map(&ctx->dep_map, ww_class->acquire_name,  in ww_acquire_init()
134 	mutex_acquire(&ctx->dep_map, 0, 0, _RET_IP_);  in ww_acquire_init()
137 	ctx->deadlock_inject_interval = 1;  in ww_acquire_init()
138 	ctx->deadlock_inject_countdown = ctx->stamp & 0xf;  in ww_acquire_init()
153 static inline void ww_acquire_done(struct ww_acquire_ctx *ctx)  in ww_acquire_done()  argument
156 	lockdep_assert_held(ctx);  in ww_acquire_done()
158 	DEBUG_LOCKS_WARN_ON(ctx->done_acquire);  in ww_acquire_done()
159 	ctx->done_acquire = 1;  in ww_acquire_done()
170 static inline void ww_acquire_fini(struct ww_acquire_ctx *ctx)  in ww_acquire_fini()  argument
173 	mutex_release(&ctx->dep_map, 0, _THIS_IP_);  in ww_acquire_fini()
175 	DEBUG_LOCKS_WARN_ON(ctx->acquired);  in ww_acquire_fini()
181 		ctx->done_acquire = 1;  in ww_acquire_fini()
185 		ctx->acquired = ~0U;  in ww_acquire_fini()
190 					struct ww_acquire_ctx *ctx);
192 						      struct ww_acquire_ctx *ctx);
223 static inline int ww_mutex_lock(struct ww_mutex *lock, struct ww_acquire_ctx *ctx)  in ww_mutex_lock()  argument
225 	if (ctx)  in ww_mutex_lock()
226 		return __ww_mutex_lock(lock, ctx);  in ww_mutex_lock()
263 							   struct ww_acquire_ctx *ctx)  in ww_mutex_lock_interruptible()  argument
265 	if (ctx)  in ww_mutex_lock_interruptible()
266 		return __ww_mutex_lock_interruptible(lock, ctx);  in ww_mutex_lock_interruptible()
295 ww_mutex_lock_slow(struct ww_mutex *lock, struct ww_acquire_ctx *ctx)  in ww_mutex_lock_slow()  argument
299 	DEBUG_LOCKS_WARN_ON(!ctx->contending_lock);  in ww_mutex_lock_slow()
301 	ret = ww_mutex_lock(lock, ctx);  in ww_mutex_lock_slow()
332 				 struct ww_acquire_ctx *ctx)  in ww_mutex_lock_slow_interruptible()  argument
335 	DEBUG_LOCKS_WARN_ON(!ctx->contending_lock);  in ww_mutex_lock_slow_interruptible()
337 	return ww_mutex_lock_interruptible(lock, ctx);  in ww_mutex_lock_slow_interruptible()