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

From: Linus Torvalds
Date: Thu Feb 20 2020 - 18:00:38 EST

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.