linux-kernel - [PATCH 1/6] workqueue: relocate pwq_set_max

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Date:	Wed, 13 Mar 2013 16:58:13 -0700
From:	Tejun Heo <tj@...nel.org>
To:	linux-kernel@...r.kernel.org
Cc:	laijs@...fujitsu.com, Tejun Heo <tj@...nel.org>
Subject: [PATCH 1/6] workqueue: relocate pwq_set_max_active()

pwq_set_max_active() is gonna be modified and used during
pool_workqueue init.  Move it above init_and_link_pwq().

This patch is pure code reorganization and doesn't introduce any
functional changes.

Signed-off-by: Tejun Heo <tj@...nel.org>
---
 kernel/workqueue.c | 40 ++++++++++++++++++++--------------------
 1 file changed, 20 insertions(+), 20 deletions(-)

diff --git a/kernel/workqueue.c b/kernel/workqueue.c
index f5c8bbb..d519289 100644
--- a/kernel/workqueue.c
+++ b/kernel/workqueue.c
@@ -3725,6 +3725,26 @@ static void pwq_unbound_release_workfn(struct work_struct *work)
 		kfree(wq);
 }
 
+/**
+ * pwq_set_max_active - adjust max_active of a pwq
+ * @pwq: target pool_workqueue
+ * @max_active: new max_active value.
+ *
+ * Set @pwq->max_active to @max_active and activate delayed works if
+ * increased.
+ *
+ * CONTEXT:
+ * spin_lock_irq(pool->lock).
+ */
+static void pwq_set_max_active(struct pool_workqueue *pwq, int max_active)
+{
+	pwq->max_active = max_active;
+
+	while (!list_empty(&pwq->delayed_works) &&
+	       pwq->nr_active < pwq->max_active)
+		pwq_activate_first_delayed(pwq);
+}
+
 static void init_and_link_pwq(struct pool_workqueue *pwq,
 			      struct workqueue_struct *wq,
 			      struct worker_pool *pool,
@@ -4012,26 +4032,6 @@ void destroy_workqueue(struct workqueue_struct *wq)
 EXPORT_SYMBOL_GPL(destroy_workqueue);
 
 /**
- * pwq_set_max_active - adjust max_active of a pwq
- * @pwq: target pool_workqueue
- * @max_active: new max_active value.
- *
- * Set @pwq->max_active to @max_active and activate delayed works if
- * increased.
- *
- * CONTEXT:
- * spin_lock_irq(pool->lock).
- */
-static void pwq_set_max_active(struct pool_workqueue *pwq, int max_active)
-{
-	pwq->max_active = max_active;
-
-	while (!list_empty(&pwq->delayed_works) &&
-	       pwq->nr_active < pwq->max_active)
-		pwq_activate_first_delayed(pwq);
-}
-
-/**
  * workqueue_set_max_active - adjust max_active of a workqueue
  * @wq: target workqueue
  * @max_active: new max_active value.
-- 
1.8.1.4

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