Due to raw_spin_lock/unlock() contains preempt_disable/enable() action, already regarded as RCU critical region, so remove unnecessary rcu_read_lock/unlock(). Signed-off-by: Zqiang <qiang.zhang1211@xxxxxxxxx> --- fs/io-wq.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/fs/io-wq.c b/fs/io-wq.c index cd88602e2e81..401be005d089 100644 --- a/fs/io-wq.c +++ b/fs/io-wq.c @@ -855,9 +855,7 @@ static void io_wqe_enqueue(struct io_wqe *wqe, struct io_wq_work *work) io_wqe_insert_work(wqe, work); clear_bit(IO_ACCT_STALLED_BIT, &acct->flags); - rcu_read_lock(); do_create = !io_wqe_activate_free_worker(wqe, acct); - rcu_read_unlock(); raw_spin_unlock(&wqe->lock); -- 2.17.1
