Re: [RFC] Rearranging struct dentry for cache affinity

[Rusty Russell <rusty@rustcorp.com.au>]

In message <Pine.GSO.4.21.0207160036460.24417-100000@weyl.math.psu.edu> you wri
te:
> On Tue, 16 Jul 2002, Rusty Russell wrote:
> 
> > Really?  Other than changing over to get_sb_psuedo(), what does your patch
> > fix?  As the filesystem should never be unmounted, what am I missing?
> > >  	filp->f_op = &futex_fops;
> > > -	filp->f_dentry = dget(futex_dentry);
> > > +	filp->f_vfsmnt = mntget(futex_mnt);
> ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
> > > +	filp->f_dentry = dget(futex_mnt->mnt_root);
> 
> Uninitialized ->f_vfsmnt == quite a few places in the tree very unhappy.
> E.g. any access to /proc/<pid>/fd/<n>.

I figured out which ones I needed to set by rough inspection, always a
dangerous practice.

Thanks!
Rusty.
--
  Anyone who quotes me in their sig is an idiot. -- Rusty Russell.