Thread (15 messages) flat view 15 messages, 4 authors, 2012-08-07

Re: [RFC v3 4/7] workqueue: use new hashtable implementation

From: Joe Perches <joe@perches.com>
Date: 2012-08-07 01:19:21
Also in: linux-mm, lkml

On Tue, 2012-08-07 at 02:45 +0200, Sasha Levin wrote:
From: Sasha Levin <redacted>

Switch workqueues to use the new hashtable implementation. This reduces the amount of
generic unrelated code in the workqueues.
Just style trivia:
quoted hunk ↗ jump to hunk
diff --git a/kernel/workqueue.c b/kernel/workqueue.c
[]
quoted hunk ↗ jump to hunk
@@ -897,8 +839,15 @@ static struct worker *__find_worker_executing_work(struct global_cwq *gcwq,
 static struct worker *find_worker_executing_work(struct global_cwq *gcwq,
 						 struct work_struct *work)
 {
-	return __find_worker_executing_work(gcwq, busy_worker_head(gcwq, work),
-					    work);
+	struct worker *worker;
+	struct hlist_node *tmp;
+
+	hash_for_each_possible(gcwq->busy_hash, worker, BUSY_WORKER_HASH_ORDER,
+								tmp, hentry, work)
+		if (worker->current_work == work)
+			return worker;
braces please:

	hash_for_each_possible(gcwq->busy_hash, worker, BUSY_WORKER_HASH_ORDER,
			       tmp, hentry, work) {
		if (worker->current_work == work)
			return worker;
	}

[]
@@ -1916,7 +1865,7 @@ static void cwq_dec_nr_in_flight(struct cpu_workqueue_struct *cwq, int color,
  * @worker: self
  * @work: work to process
  *
- * Process @work.  This function contains all the logics necessary to
+ * Process @work.  This? function contains all the logics necessary to
Odd ? and the grammar also seems odd.
  * process a single work including synchronization against and
  * interaction with other workers on the same cpu, queueing and
  * flushing.  As long as context requirement is met, any worker can

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