Re: [PATCH 4/7] proc: Use d_invalidate in proc_prune_siblings_dcache

[Linus Torvalds]

On Thu, Feb 20, 2020 at 2:54 PM Al Viro <viro@xxxxxxxxxxxxxxxxxx> wrote:
>
> s/no inode.*/it's a directory inode./

That actually makes my worry go away too. We don't allow aliases for
directory inodes, iirc.

So then it doesn't depend on some /proc implementation issue any more,
then it's fundamental that there's only one dentry.

            Linus