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authorTejun Heo <tj@kernel.org>2024-01-29 08:11:24 -1000
committerTejun Heo <tj@kernel.org>2024-01-29 08:11:24 -1000
commitafa87ce85379e2d93863fce595afdb5771a84004 (patch)
tree6a13b1efe8131676429118e099643828c13fc392 /kernel/workqueue.c
parenta045a272d887575da17ad86d6573e82871b50c27 (diff)
workqueue: Factor out pwq_is_empty()
"!pwq->nr_active && list_empty(&pwq->inactive_works)" test is repeated multiple times. Let's factor it out into pwq_is_empty(). Signed-off-by: Tejun Heo <tj@kernel.org> Reviewed-by: Lai Jiangshan <jiangshanlai@gmail.com>
Diffstat (limited to 'kernel/workqueue.c')
-rw-r--r--kernel/workqueue.c13
1 files changed, 9 insertions, 4 deletions
diff --git a/kernel/workqueue.c b/kernel/workqueue.c
index a23a35dbcd74..171d0e6d29f6 100644
--- a/kernel/workqueue.c
+++ b/kernel/workqueue.c
@@ -1460,6 +1460,11 @@ static void put_pwq_unlocked(struct pool_workqueue *pwq)
}
}
+static bool pwq_is_empty(struct pool_workqueue *pwq)
+{
+ return !pwq->nr_active && list_empty(&pwq->inactive_works);
+}
+
static void pwq_activate_inactive_work(struct work_struct *work)
{
struct pool_workqueue *pwq = get_work_pwq(work);
@@ -3329,7 +3334,7 @@ reflush:
bool drained;
raw_spin_lock_irq(&pwq->pool->lock);
- drained = !pwq->nr_active && list_empty(&pwq->inactive_works);
+ drained = pwq_is_empty(pwq);
raw_spin_unlock_irq(&pwq->pool->lock);
if (drained)
@@ -4779,7 +4784,7 @@ static bool pwq_busy(struct pool_workqueue *pwq)
if ((pwq != pwq->wq->dfl_pwq) && (pwq->refcnt > 1))
return true;
- if (pwq->nr_active || !list_empty(&pwq->inactive_works))
+ if (!pwq_is_empty(pwq))
return true;
return false;
@@ -5217,7 +5222,7 @@ void show_one_workqueue(struct workqueue_struct *wq)
unsigned long flags;
for_each_pwq(pwq, wq) {
- if (pwq->nr_active || !list_empty(&pwq->inactive_works)) {
+ if (!pwq_is_empty(pwq)) {
idle = false;
break;
}
@@ -5229,7 +5234,7 @@ void show_one_workqueue(struct workqueue_struct *wq)
for_each_pwq(pwq, wq) {
raw_spin_lock_irqsave(&pwq->pool->lock, flags);
- if (pwq->nr_active || !list_empty(&pwq->inactive_works)) {
+ if (!pwq_is_empty(pwq)) {
/*
* Defer printing to avoid deadlocks in console
* drivers that queue work while holding locks