linux-kernel - Re: [PATCH 0/1] devpts: use dynamic

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Message-ID: <CA+55aFz+qGxM9MidcvQkP4er-qn0_oEqCac=ob64f+twhptSgQ@mail.gmail.com>
Date:   Wed, 16 Aug 2017 13:30:38 -0700
From:   Linus Torvalds <torvalds@...ux-foundation.org>
To:     Christian Brauner <christian.brauner@...onical.com>
Cc:     Christian Brauner <christian.brauner@...ntu.com>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        "Serge E. Hallyn" <serge@...lyn.com>,
        Al Viro <viro@...iv.linux.org.uk>
Subject: Re: [PATCH 0/1] devpts: use dynamic_dname() to generate proc name

On Wed, Aug 16, 2017 at 1:19 PM, Linus Torvalds
<torvalds@...ux-foundation.org> wrote:
>
> Anyway, I know what's wrong, next step is to figure out what the fix is.

Grr, We actually look up the right mnt in devpts_acquire(), but we
don't save it.  We only save the superblock pointer, because that's
traditionally what we used.

I suspect the easiest fix is to just add a "mnt" argument to
devpts_acquire(),  It shouldn't be too painful. Let me try.

              Linus