Re: statfs() and autofs

[Chris Walker <cwalker@pixar.com>]

From cwalker [07/22 10:20]:
> From raven [07/21 00:39]:
> > 
> > On Sun, 2008-07-20 at 22:50 -0700, Chris Walker wrote:
> > > From jonathan [07/20 22:08]:
> > > > P.S. Chris, can you reliably demonstrate the not waiting for the mount 
> > > > problem?
> > > 
> > > I can, but I'm a few revs back. I'll see if I can replicate on current
> > > revs of linux and autofs.
> > 
> > It should be reproducible on any version of autofs and any kernel, if I
> > understand correctly what is causing it. But, the real gotcha is stat(2)
> > or statfs(2) are often accompanied by other system calls that will wait
> > for the mount to complete. The mount can complete sometimes before but
> > also sometimes after, and possibly independent of system call order (due
> > to scheduling) so the problem should be intermittent and appear
> > unpredictable.
> 
> I cannot reproduce this on fedora 9 (kernel: 2.6.25.6, autofs: autofs-5.0.3).
> Maybe I'll do some git bisecting to see where it got fixed.

Looks like git bisect only helps to find introduced bugs, but not where
something got fixed. Oh well. I think we were going to upgrade to 2.6.25
anyway... :)

-- 
Chris Walker -- cwalker@pixar.com