Re: [PATCH 0/7] Permit filesystem local caching and NFS superblocksharing [try #13]

From: Ian Kent
Date: Mon Sep 04 2006 - 10:58:12 EST


On Mon, 2006-09-04 at 14:46 +0100, David Howells wrote:
> Ian Kent <raven@xxxxxxxxxx> wrote:
>
> > This is the point I'm trying to make.
> > I'm able to reproduce this with exports that don't have "nohide".
> > The mkdir used to return EEXIST, possibly before getting to the EACCES
> > test. It appears to be a change in semantic behavior and I can't see
> > where it is coming from. autofs expects an EEXIST but not an EACCES and
> > so doesn't perform the mount. I could ignore the EACCES but that would
> > be cheating.
>
> Here's something you can try: Look in fs/nfs/dir.c. Find nfs_lookup(). In
> there, find the following lines:
>
> /* If we're doing an exclusive create, optimize away the lookup */
> if (nfs_is_exclusive_create(dir, nd))
> goto no_entry;
>
> Comment that bit out and see what the effect it.

OK. But tomorrow.
I'll let you know.

Ian


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