[dm-devel] [PATCH 1/4] qat: fix misunderstood -EBUSY return code

[Herbert Xu]

On Wed, Jun 03, 2020 at 04:31:54AM -0400, Mikulas Patocka wrote:
>
> > Should we just retry a number of times and then fail?
> 
> It's better to get stuck in an infinite loop than to cause random I/O 
> errors. The infinite loop requires reboot, but it doesn't damage data on 
> disks.
> 
> The proper solution would be to add the request to a queue and process the 
> queue when some other request ended - but it would need substantial 
> rewrite of the driver. Do you want to rewrite it using a queue?
> 
> > Or, should we just move to the crypto-engine?
> 
> What do you mean by the crypto-engine?

crypto-engine is the generic queueing mechanism that any crypto
driver can use to implement the queueing.

Thanks,
-- 
Email: Herbert Xu <herbert at gondor.apana.org.au>
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