On 08/18/2009 03:36 PM, Gregory Haskins wrote:
Yeah, I agree. I am not advocating we expend energy on this now. But my thoughts at the time were that that particular problem can be solved at io-setup time with some kind of call to qualify the address. Iow: a slow path call with the address would return flags on whether iowrite() should do a real io, or a IOoHC.
Yes, it could work, though we'd need somewhere to stow this information. IIRC Arnd suggested a bit from the address itself.
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