Re: WARN_ON_ONCE pop with tip of your nfsd-next branch

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On Sun, Jun 08, 2014 at 02:52:49PM -0400, Jeff Layton wrote:
> On Sun, 8 Jun 2014 14:44:36 -0400
> "J. Bruce Fields" <bfields@xxxxxxxxxxxx> wrote:
> 
> > On Sun, Jun 08, 2014 at 01:17:23PM -0400, J. Bruce Fields wrote:
> > > On Sat, Jun 07, 2014 at 09:51:09PM -0400, Jeff Layton wrote:
> > > > Hi Bruce,
> > > > 
> > > > Just a heads up...
> > > > 
> > > > Was doing some testing with a pile of patches (mostly v4 state-related)
> > > > on top of your nfsd-next branch, and saw this pop:
> > > 
> > > Do you know exactly was the commit id of the last commit from my branch?
> > 
> > Also, do you remember what sort of testing it was?
> > 
> > --b.
> 
> The tip was at a676de9e22b4c13c8d4a27289b1f2bcf35dce6dd.

That's kind of old and I already fixed something that I think would have
caused that WARN at that spot.  So I'd recommend not spending any more
time on it and just rebasing.

> It looks like
> maybe you rebased at some point though and now the commit IDs are
> different?

Yeah, apologies, I've been rebasing a lot.

Next time around I think I'm going to advertise separate stable/unstable
branches so at least there's warning which things I'm likely to rebase.

--b.

> To make it pop, I ran fsstress on a v4.1 mount. I think it
> was these options:
> 
>     $ fsstress -d <dir> -n 1000 -p 128
> 
> I'll see if I can make it happen again when I have some time for more
> testing.
> 
> Thanks,
> -- 
> Jeff Layton <jlayton@xxxxxxxxxxxxxxx>
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