Messages in this thread | | | Date | Wed, 5 Sep 2012 01:49:15 -0700 | From | Tejun Heo <> | Subject | Re: [Drbd-dev] FLUSH/FUA documentation & code discrepancy |
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On Wed, Sep 05, 2012 at 10:44:55AM +0200, Philipp Reisner wrote: > > Currently, FLUSH/FUA doesn't enforce any ordering requirement. File > > systems are responsible for draining all writes which have to happen > > before and not issue further writes which should come after. > > Ok. That is a clear statement. So we will do it that way. > > The "Currently" in you statement, suggests that there might be something > more mighty in the future. Is that true?
Heh, I was more thinking about the past. We used to have barrier support with much stricter ordering. I don't think we're gonna change the ordering requirement in any foreseeable future.
Thanks.
-- tejun
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