diff options
| author | Tejun Heo <tj@kernel.org> | 2013-03-12 11:30:04 -0700 |
|---|---|---|
| committer | Tejun Heo <tj@kernel.org> | 2013-03-12 11:30:04 -0700 |
| commit | 618b01eb426dd2d73a4b5e5ebc6379e4eee3b123 (patch) | |
| tree | 9068381e7a25dde3d4d72fd8b9fe8a814bc85efe | |
| parent | 9e8cd2f5898ab6710ad81f4583fada08bf8049a4 (diff) | |
workqueue: make it clear that WQ_DRAINING is an internal flag
We're gonna add another internal WQ flag. Let's make the distinction
clear. Prefix WQ_DRAINING with __ and move it to bit 16.
Signed-off-by: Tejun Heo <tj@kernel.org>
Reviewed-by: Lai Jiangshan <laijs@cn.fujitsu.com>
| -rw-r--r-- | include/linux/workqueue.h | 2 | ||||
| -rw-r--r-- | kernel/workqueue.c | 8 |
2 files changed, 5 insertions, 5 deletions
diff --git a/include/linux/workqueue.h b/include/linux/workqueue.h index e152394fa7eb..1751ec4c47c9 100644 --- a/include/linux/workqueue.h +++ b/include/linux/workqueue.h @@ -294,7 +294,7 @@ enum { WQ_HIGHPRI = 1 << 4, /* high priority */ WQ_CPU_INTENSIVE = 1 << 5, /* cpu instensive workqueue */ - WQ_DRAINING = 1 << 6, /* internal: workqueue is draining */ + __WQ_DRAINING = 1 << 16, /* internal: workqueue is draining */ WQ_MAX_ACTIVE = 512, /* I like 512, better ideas? */ WQ_MAX_UNBOUND_PER_CPU = 4, /* 4 * #cpus for unbound wq */ diff --git a/kernel/workqueue.c b/kernel/workqueue.c index 2a67fbbd192c..590f4d048ec7 100644 --- a/kernel/workqueue.c +++ b/kernel/workqueue.c @@ -1225,7 +1225,7 @@ static void __queue_work(int cpu, struct workqueue_struct *wq, debug_work_activate(work); /* if dying, only works from the same workqueue are allowed */ - if (unlikely(wq->flags & WQ_DRAINING) && + if (unlikely(wq->flags & __WQ_DRAINING) && WARN_ON_ONCE(!is_chained_work(wq))) return; retry: @@ -2763,11 +2763,11 @@ void drain_workqueue(struct workqueue_struct *wq) /* * __queue_work() needs to test whether there are drainers, is much * hotter than drain_workqueue() and already looks at @wq->flags. - * Use WQ_DRAINING so that queue doesn't have to check nr_drainers. + * Use __WQ_DRAINING so that queue doesn't have to check nr_drainers. */ spin_lock_irq(&workqueue_lock); if (!wq->nr_drainers++) - wq->flags |= WQ_DRAINING; + wq->flags |= __WQ_DRAINING; spin_unlock_irq(&workqueue_lock); reflush: flush_workqueue(wq); @@ -2795,7 +2795,7 @@ reflush: spin_lock(&workqueue_lock); if (!--wq->nr_drainers) - wq->flags &= ~WQ_DRAINING; + wq->flags &= ~__WQ_DRAINING; spin_unlock(&workqueue_lock); local_irq_enable(); |