Commit 627e421a authored by Chris Mason's avatar Chris Mason
Browse files

Btrfs: fix worker thread double spin_lock_irq 



The exit-on-idle code for async worker threads was incorrectly
calling spin_lock_irq with interrupts already off.

Signed-off-by: default avatarChris Mason <chris.mason@oracle.com>
parent 3e99d8eb

fs/btrfs/async-thread.c

+2 −2
Original line number Diff line number Diff line
@@ -185,7 +185,7 @@ static int try_worker_shutdown(struct btrfs_worker_thread *worker) 
	int freeit = 0;



	spin_lock_irq(&worker->lock);

	spin_lock_irq(&worker->workers->lock);

	spin_lock(&worker->workers->lock);

	if (worker->workers->num_workers > 1 &&

	    worker->idle &&

	    !worker->working &&
@@ -196,7 +196,7 @@ static int try_worker_shutdown(struct btrfs_worker_thread *worker) 
		list_del_init(&worker->worker_list);

		worker->workers->num_workers--;

	}

	spin_unlock_irq(&worker->workers->lock);

	spin_unlock(&worker->workers->lock);

	spin_unlock_irq(&worker->lock);



	if (freeit)