[PATCH v2 01/16] block: Add atomic write operations to request_queue limits

[Martin K. Petersen]

Ming,

> Relying on driver to provide sound value is absolutely bad design from
> API viewpoint.

All the other queue_limits are validated by the LLDs. It's challenging
to lift that validation to the block layer since the values reported are
heavily protocol-dependent and thus information is lost if we do it
somewhere else.

-- 
Martin K. Petersen	Oracle Linux Engineering