Messages in this thread | | | Date | Wed, 5 Dec 2007 11:15:48 +0100 | From | Jens Axboe <> | Subject | Re: [PATCH] as-iosched: fix write batch start point |
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On Wed, Dec 05 2007, Nick Piggin wrote: > On Wed, Dec 05, 2007 at 09:07:07PM +1100, Aaron Carroll wrote: > > New write batches currently start from where the last one completed. > > We have no idea where the head is after switching batches, so this > > makes little sense. Instead, start the next batch from the request > > with the earliest deadline in the hope that we avoid a deadline > > expiry later on. > > > > Signed-off-by: Aaron Carroll <aaronc@gelato.unsw.edu.au> > > I think this seems reasonable. What's deadline doing in this case? > They should probably be kept in synch where possible...
Aaron sent a similar patch for deadline a while ago, so this just matches them up again. I acked that patch, it makes a lot of sense to me.
-- Jens Axboe
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