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[2603:800c:1a02:1bae:a7fa:157f:969a:4cde]) by smtp.gmail.com with ESMTPSA id j4-20020a17090276c400b00194caf3e975sm2412945plt.208.2023.05.09.20.08.15 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 09 May 2023 20:08:16 -0700 (PDT) Sender: Tejun Heo From: Tejun Heo To: jiangshanlai@gmail.com Cc: torvalds@linux-foundation.org, peterz@infradead.org, linux-kernel@vger.kernel.org, kernel-team@meta.com, Tejun Heo Subject: [PATCH 3/6] workqueue: Move worker_set/clr_flags() upwards Date: Tue, 9 May 2023 17:07:49 -1000 Message-Id: <20230510030752.542340-4-tj@kernel.org> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20230510030752.542340-1-tj@kernel.org> References: <20230510030752.542340-1-tj@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Spam-Status: No, score=-1.5 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_EF,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,RCVD_IN_DNSWL_NONE,SPF_HELO_NONE, SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=no autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org They're gonna be used wq_worker_stopping(). Move them upwards. Signed-off-by: Tejun Heo Cc: Lai Jiangshan --- kernel/workqueue.c | 108 ++++++++++++++++++++++----------------------- 1 file changed, 54 insertions(+), 54 deletions(-) diff --git a/kernel/workqueue.c b/kernel/workqueue.c index cbcdc11adabd..31f1618d98c2 100644 --- a/kernel/workqueue.c +++ b/kernel/workqueue.c @@ -863,6 +863,60 @@ static void wake_up_worker(struct worker_pool *pool) wake_up_process(worker->task); } +/** + * worker_set_flags - set worker flags and adjust nr_running accordingly + * @worker: self + * @flags: flags to set + * + * Set @flags in @worker->flags and adjust nr_running accordingly. + * + * CONTEXT: + * raw_spin_lock_irq(pool->lock) + */ +static inline void worker_set_flags(struct worker *worker, unsigned int flags) +{ + struct worker_pool *pool = worker->pool; + + WARN_ON_ONCE(worker->task != current); + + /* If transitioning into NOT_RUNNING, adjust nr_running. */ + if ((flags & WORKER_NOT_RUNNING) && + !(worker->flags & WORKER_NOT_RUNNING)) { + pool->nr_running--; + } + + worker->flags |= flags; +} + +/** + * worker_clr_flags - clear worker flags and adjust nr_running accordingly + * @worker: self + * @flags: flags to clear + * + * Clear @flags in @worker->flags and adjust nr_running accordingly. + * + * CONTEXT: + * raw_spin_lock_irq(pool->lock) + */ +static inline void worker_clr_flags(struct worker *worker, unsigned int flags) +{ + struct worker_pool *pool = worker->pool; + unsigned int oflags = worker->flags; + + WARN_ON_ONCE(worker->task != current); + + worker->flags &= ~flags; + + /* + * If transitioning out of NOT_RUNNING, increment nr_running. Note + * that the nested NOT_RUNNING is not a noop. NOT_RUNNING is mask + * of multiple flags, not a single flag. + */ + if ((flags & WORKER_NOT_RUNNING) && (oflags & WORKER_NOT_RUNNING)) + if (!(worker->flags & WORKER_NOT_RUNNING)) + pool->nr_running++; +} + /** * wq_worker_running - a worker is running again * @task: task waking up @@ -976,60 +1030,6 @@ work_func_t wq_worker_last_func(struct task_struct *task) return worker->last_func; } -/** - * worker_set_flags - set worker flags and adjust nr_running accordingly - * @worker: self - * @flags: flags to set - * - * Set @flags in @worker->flags and adjust nr_running accordingly. - * - * CONTEXT: - * raw_spin_lock_irq(pool->lock) - */ -static inline void worker_set_flags(struct worker *worker, unsigned int flags) -{ - struct worker_pool *pool = worker->pool; - - WARN_ON_ONCE(worker->task != current); - - /* If transitioning into NOT_RUNNING, adjust nr_running. */ - if ((flags & WORKER_NOT_RUNNING) && - !(worker->flags & WORKER_NOT_RUNNING)) { - pool->nr_running--; - } - - worker->flags |= flags; -} - -/** - * worker_clr_flags - clear worker flags and adjust nr_running accordingly - * @worker: self - * @flags: flags to clear - * - * Clear @flags in @worker->flags and adjust nr_running accordingly. - * - * CONTEXT: - * raw_spin_lock_irq(pool->lock) - */ -static inline void worker_clr_flags(struct worker *worker, unsigned int flags) -{ - struct worker_pool *pool = worker->pool; - unsigned int oflags = worker->flags; - - WARN_ON_ONCE(worker->task != current); - - worker->flags &= ~flags; - - /* - * If transitioning out of NOT_RUNNING, increment nr_running. Note - * that the nested NOT_RUNNING is not a noop. NOT_RUNNING is mask - * of multiple flags, not a single flag. - */ - if ((flags & WORKER_NOT_RUNNING) && (oflags & WORKER_NOT_RUNNING)) - if (!(worker->flags & WORKER_NOT_RUNNING)) - pool->nr_running++; -} - /** * find_worker_executing_work - find worker which is executing a work * @pool: pool of interest -- 2.40.1