Re: [PATCH 20/52] move_mount(2): take sanity checks in 'beneath' case into do_lock_mount()

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To: Al Viro <viro@xxxxxxxxxxxxxxxxxx>
Subject: Re: [PATCH 20/52] move_mount(2): take sanity checks in 'beneath' case into do_lock_mount()
From: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
Date: Mon, 25 Aug 2025 08:17:28 -0400
Cc: linux-fsdevel@xxxxxxxxxxxxxxx, brauner@xxxxxxxxxx, jack@xxxxxxx
In-reply-to: <CAHk-=witRb_kEiWmwuaF4Fxz7gWuefn8Nxer05SHMOYxePUZSg@mail.gmail.com>

On Mon, 25 Aug 2025 at 08:10, Linus Torvalds
<torvalds@xxxxxxxxxxxxxxxxxxxx> wrote:
>
> Well, *this* would look a lot cleaner with a
> "scoped_guard(mount_locked_reader)", but you didn't do that for some
> reason. Am I missing something?

Ahh. You rewrite it to look very different in 34/52.

            Linus

References:
- [PATCHED][RFC][CFT] mount-related stuff
  - From: Al Viro
- [PATCH 01/52] fs/namespace.c: fix the namespace_sem guard mess
  - From: Al Viro
- [PATCH 20/52] move_mount(2): take sanity checks in 'beneath' case into do_lock_mount()
  - From: Al Viro
- Re: [PATCH 20/52] move_mount(2): take sanity checks in 'beneath' case into do_lock_mount()
  - From: Linus Torvalds

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