Messages in this thread | | | Date | Thu, 10 Sep 2009 21:50:21 +0200 | From | Jens Axboe <> | Subject | Re: [PATCH] aoe: end barrier bios with EOPNOTSUPP |
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On Thu, Sep 10 2009, Ed Cashin wrote: > On Thu Sep 10 03:48:22 EDT 2009, jens.axboe@oracle.com wrote: > > On Wed, Sep 09 2009, Ed Cashin wrote: > ... > > > If I had a reproducable problem case that the barrier implementation > > > could fix, it would be very helpful. > > > > Depending on timing and the other end, it may not be easy to reproduce. > > But the problem is indeed real, so I think you should just add the > > proper barrier implementation instead of spending too much time trying > > to create a reproducable problem. By the time you get there, you could > > have fixed it many times over :-) > > OK. I will start work on it. But if anybody can give me a torture > test that works on aoe devices, I'll be grateful. > > I think the EOPNOTSUPP patch is good for the for-next aoe quilt tree, > while the new barrier support will be good for 2.6.32.
.31 is already out, so there's plenty of time to fix it for .32 for real. I don't mind putting in the temporary fix in the mean time, though.
-- Jens Axboe
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