Messages in this thread | | | Date | Tue, 28 Feb 2006 09:03:10 +0100 | From | Jens Axboe <> | Subject | Re: LibPATA code issues / 2.6.15.4 |
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On Mon, Feb 27 2006, Linus Torvalds wrote: > > > On Tue, 28 Feb 2006, Tejun Heo wrote: > > > Hello, Mark. > > > > Mark Lord wrote: > > > > > > .. hold off on 2.6.16 because of this or not? > > > > > > > It certainly is dangerous. I guess we should turn off FUA for the > > time being. Barrier auto-fallback was once implemented but it > > didn't seem like a good idea as it was too complex and hides low > > level bug from higher level. The concensus seems to be developing > > blacklist of drives which lie about FUA support (currently only one > > drive). Official kernel doesn't seem to be the correct place to grow > > the blacklist, Maybe we should do it from -mm? > > For 2.6.16, the only sane solution for now is to just turn it off. > > Somebody want to send me a patch that does that, along with an ack from > Mark (and whoever else sees this) that it fixes his/their problems?
That's the best solution right now. I guess there's no way around a blacklist for FUA support and we need time to grow that :-( And proper fallback to non-FUA writes with disabling FUA based barriers as well.
Mark, what drive model+firmware are you using?
-- Jens Axboe
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