On Fri, 10 Mar 2006, Andrew Morton wrote:
> Ian Kent <[email protected]> wrote:
> >
> > @@ -337,10 +340,34 @@ static void *autofs4_follow_link(struct
> > if (oz_mode || !lookup_type)
> > goto done;
> >
> > + /*
> > + * If the dentry contains directories then it is an
> > + * autofs multi-mount with no root offset. So don't
> > + * try to mount it again.
> > + */
> > + spin_lock(&dcache_lock);
> > + if (!list_empty(&dentry->d_subdirs)) {
> > + spin_unlock(&dcache_lock);
> > + goto done;
> > + }
> > + spin_unlock(&dcache_lock);
> > +
>
> Can list_empty(&dentry->d_subdirs) become false right here, after the lock
> was dropped? If so, what happens?
Yep. I think so.
Not what I want to happen.
>
>
> > status = try_to_fill_dentry(dentry, 0);
>
-
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