Re: Questions on block drivers, REQ_FLUSH and REQ_FUA

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Vivek,

--On 25 May 2011 15:10:24 -0400 Vivek Goyal <vgoyal@xxxxxxxxxx> wrote:

Thanks once again. My driver is currently request-based. Is there any
significant advantage converting it to be bio based?

Some people try to avoid the ovhead of elevator if device is very fast
and try to go for bio based driver. Or they create both the modes and
let user choose one.

Ah, so bio means no elevator. I'd missed that through looking only
at the request stuff. Right now the elevator is a reasonable approximation
of what I need, but it's good to know I could do that too if I am
feeling masochistic. Thanks.

--
Alex Bligh
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