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SubjectRe: [PATCH v2] nbd: Don't use workqueue to handle recv work
On Mon, Dec 27, 2021 at 05:12:41PM +0800, Xie Yongji wrote:
> The rescuer thread might take over the works queued on
> the workqueue when the worker thread creation timed out.
> If this happens, we have no chance to create multiple
> recv threads which causes I/O hung on this nbd device.

If a workqueue is used there aren't really 'receive threads'.
What is the deadlock here?

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