Re: [LSF/MM/BPF TOPIC] block drivers in user space

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Hi!

> > > If you have actual report, I am happy to take account into it, otherwise not
> > > sure if it is worth of time/effort in thinking/addressing one pure theoretical
> > > concern.
> > 
> > Hi Ming,
> > 
> > Thanks for your look & reply.
> > 
> > That is not a wild guess. That is a basic difference between
> > in-kernel native block-based drivers and user-space block drivers.
> 
> Please look at my comment, wrt. your pure theoretical concern, userspace
> block driver is same with kernel loop/nbd.
> 
> Did you see such report on loop & nbd? Can you answer my questions wrt.
> kernel thread B?

Yes, nbd is known to deadlock under high loads. Don't do that.

									Pavel
-- 
People of Russia, stop Putin before his war on Ukraine escalates.

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