Messages in this thread | | | From | Miklos Szeredi <> | Date | Wed, 11 Oct 2023 09:07:33 +0200 | Subject | Re: [resend PATCH v2 2/2] fuse: ensure that submounts lookup their parent |
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On Wed, 11 Oct 2023 at 03:26, Krister Johansen <kjlx@templeofstupid.com> 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.
Thanks, Miklos
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