On Fri, Sep 04, 2009 at 05:19:09PM +0200, Jens Axboe wrote:
> On Fri, Sep 04 2009, npiggin@xxxxxxx wrote:
> > Index: linux-2.6/fs/namei.c
> > ===================================================================
> > --- linux-2.6.orig/fs/namei.c
> > +++ linux-2.6/fs/namei.c
> > @@ -679,15 +679,16 @@ int follow_up(struct path *path)
> > {
> > struct vfsmount *parent;
> > struct dentry *mountpoint;
> > - spin_lock(&vfsmount_lock);
> > +
> > + vfsmount_read_unlock();
> > parent = path->mnt->mnt_parent;
> > if (parent == path->mnt) {
> > - spin_unlock(&vfsmount_lock);
> > + vfsmount_read_unlock();
> > return 0;
>
> Hmm, that looks a bit off.
Thanks Jens, good catch. Yes I haven't actually even tested NFS or
NFSD yet, which I should do soon because they do some interesting
things with the dcache.
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