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SubjectRe: ipi_redirect vs rq_affinity
On Fri, Jan 24, 2014 at 11:11:29AM -0800, Jens Axboe wrote:
> It is pretty much the same. I don't like the semantics of the old one,
> where it's 0/1/2 for off/on/different-on, though. Seems like now would
> be a good time to clean it up.

I don't think arbitrarily breaking this fairly widely used interface
when a driver is moving to blk-mq sounds like a good idea. Maybe we
should allow for setting descriptive strings as well?

Also the different on semantics do matter for some use cases, and we
should support both for blk-mq.



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