Messages in this thread | | | Date | Mon, 20 Dec 2021 09:10:14 -0800 | Subject | Re: [PATCH] nbd: Don't use workqueue to handle recv work | From | Bart Van Assche <> |
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On 12/20/21 04:22, 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. > > To fix it, this tries to create kthreads directly to > handle the recv work instead of using workqueue.
Why a kthread instead of only removing the WQ_MEM_RECLAIM flag from the alloc_workqueue() call? This should have been explained in the patch description. Additionally, a Fixes: tag is missing.
Thanks,
Bart.
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