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charset=us-ascii Content-Disposition: inline In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Oct 11, 2023 at 09:07:33AM +0200, Miklos Szeredi wrote: > On Wed, 11 Oct 2023 at 03:26, Krister Johansen wrote: > > > I am curious what you have in mind in order to move this towards a > > proper fix? I shied away from the approach of stealing a nlookup from > > mp_fi beacuse it wasn't clear that I could always count on the nlookup > > in the parent staying positive. E.g. I was afraid I was either going to > > not have enough nlookups to move to submounts, or trigger a forget from > > an exiting container that leads to an EBADF from the initial mount > > namespace. > > One idea is to transfer the nlookup to a separately refcounted object > that is referenced from mp_fi as well as all the submounts. That seems possible. Would the idea be to move all tracking of nlookup to a separate refcounted object for the particular nodeid, or just do this for the first lookup of a submount? Would you like me to put together a v3 that heads this direction? Thanks, -K