This is no point to unlock() and then lock() the same mutex
back to back.
Signed-off-by: Lai Jiangshan <laijs@linux.alibaba.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
raw_spin_unlock_irq(&pwq->pool->lock);
}
mutex_unlock(&wq->mutex);
- mutex_unlock(&wq_pool_mutex);
/*
* wq list is used to freeze wq, remove from list after
* flushing is complete in case freeze races us.
*/
- mutex_lock(&wq_pool_mutex);
list_del_rcu(&wq->list);
mutex_unlock(&wq_pool_mutex);