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: Chris Mason <chris.mason@oracle.com>
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@ -185,7 +185,7 @@ static int try_worker_shutdown(struct btrfs_worker_thread *worker)
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int freeit = 0;
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int freeit = 0;
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spin_lock_irq(&worker->lock);
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spin_lock_irq(&worker->lock);
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spin_lock_irq(&worker->workers->lock);
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spin_lock(&worker->workers->lock);
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if (worker->workers->num_workers > 1 &&
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if (worker->workers->num_workers > 1 &&
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worker->idle &&
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worker->idle &&
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!worker->working &&
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!worker->working &&
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@ -196,7 +196,7 @@ static int try_worker_shutdown(struct btrfs_worker_thread *worker)
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list_del_init(&worker->worker_list);
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list_del_init(&worker->worker_list);
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worker->workers->num_workers--;
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worker->workers->num_workers--;
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}
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}
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spin_unlock_irq(&worker->workers->lock);
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spin_unlock(&worker->workers->lock);
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spin_unlock_irq(&worker->lock);
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spin_unlock_irq(&worker->lock);
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if (freeit)
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if (freeit)
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