On Mon, Nov 06, 2006 at 12:03:54PM +0000, Daniel J Blueman wrote:
> This has all the symptoms to an open EACCES NFSv4 bug in 2.6.18/19.
> This is fixed in:
>
> http://www.citi.umich.edu/projects/nfsv4/linux/kernel-patches/2.6.19-rc3-2/linux-2.6.19-rc3-CITI_NFS4_ALL-2.diff
> (see http://www.citi.umich.edu/projects/nfsv4/linux/).
>
> With this patch, I can run just great with NFSv4 home dir (etc)
> mounts; without, I get the symptom of many 0-byte temporary/lock files
> being created and often the inability to create files (!). Be sure to
> allow callback delegation connections in through your firewall for the
> extra performance ;-) .
>
> Maybe it's too late for these fixes 2.6.19, but they should certainly
> make 2.6.19.1 IMHO.
Yeah, bad patch management on my part, apologies, I should have pushed
it as soon as I noticed the problem.
Investigating the problem revealed some ugliness (and some races which
will need further work), and I had hoped to have a more complete fix
before now. Oh well.
Two patches follow; the first does a very simple cleanup, the second
solves the immediate problem in the most straightforward way I can see,
but is a bit of a hack.
--b.
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