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Subject[PATCH v3 12/22] kthread: Use try_lock_kthread_work() in flush_kthread_work()
Date
Remove code duplication and use the new try_lock_kthread_work()
function in flush_kthread_work() as well.

Signed-off-by: Petr Mladek <pmladek@suse.com>
---
kernel/kthread.c | 12 ++++--------
1 file changed, 4 insertions(+), 8 deletions(-)

diff --git a/kernel/kthread.c b/kernel/kthread.c
index dbd090466e2a..f7caaaca5825 100644
--- a/kernel/kthread.c
+++ b/kernel/kthread.c
@@ -933,16 +933,12 @@ void flush_kthread_work(struct kthread_work *work)
struct kthread_worker *worker;
bool noop = false;

-retry:
- worker = work->worker;
- if (!worker)
+ local_irq_disable();
+ if (!try_lock_kthread_work(work)) {
+ local_irq_enable();
return;
-
- spin_lock_irq(&worker->lock);
- if (work->worker != worker) {
- spin_unlock_irq(&worker->lock);
- goto retry;
}
+ worker = work->worker;

if (!list_empty(&work->node))
insert_kthread_work(worker, &fwork.work, work->node.next);
--
1.8.5.6


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