Messages in this thread | | | Date | Tue, 27 May 2003 21:43:22 +0200 | From | Jens Axboe <> | Subject | Re: [BK PATCHES] add ata scsi driver |
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On Tue, May 27 2003, Linus Torvalds wrote: > > On Tue, 27 May 2003, Jens Axboe wrote: > > > > Here's something ridicolously simple, that just wont start a new tag if > > the oldest tag is older than 100ms. Clearly nothing for submission, but > > it gets the point across. > > Yes, I think something like this should work very well.
Agree, it should take the edge of crappy hardware at least.
> In fact, it might fit in very well indeed with AS - and in general it > might be a good idea to have some nice interface for the IO scheduler to > give this kind of ordering hints down to the hardware.
And deadline, they share the same request expire mechanism. But I read your hint, I'll add the hint and fix this for real. Was waiting for the other tcq patch to be comitted as they overlap, but I see that is in so...
-- Jens Axboe
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