Re: [PATCH v2 03/25] capability: add static asserts for comapatibility of vfs_cap_data and vfs_ns_cap_data

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Subject: Re: [PATCH v2 03/25] capability: add static asserts for comapatibility of vfs_cap_data and vfs_ns_cap_data
From: Christian Brauner <brauner@xxxxxxxxxx>
Date: Thu, 22 Feb 2024 15:23:40 +0100
Cc: Serge Hallyn <serge@xxxxxxxxxx>, Paul Moore <paul@xxxxxxxxxxxxxx>, Eric Paris <eparis@xxxxxxxxxx>, James Morris <jmorris@xxxxxxxxx>, Alexander Viro <viro@xxxxxxxxxxxxxxxxxx>, Jan Kara <jack@xxxxxxx>, Stephen Smalley <stephen.smalley.work@xxxxxxxxx>, Ondrej Mosnacek <omosnace@xxxxxxxxxx>, Casey Schaufler <casey@xxxxxxxxxxxxxxxx>, Mimi Zohar <zohar@xxxxxxxxxxxxx>, Roberto Sassu <roberto.sassu@xxxxxxxxxx>, Dmitry Kasatkin <dmitry.kasatkin@xxxxxxxxx>, Eric Snowberg <eric.snowberg@xxxxxxxxxx>, "Matthew Wilcox (Oracle)" <willy@xxxxxxxxxxxxx>, Jonathan Corbet <corbet@xxxxxxx>, Miklos Szeredi <miklos@xxxxxxxxxx>, Amir Goldstein <amir73il@xxxxxxxxx>, linux-kernel@xxxxxxxxxxxxxxx, linux-fsdevel@xxxxxxxxxxxxxxx, linux-security-module@xxxxxxxxxxxxxxx, audit@xxxxxxxxxxxxxxx, selinux@xxxxxxxxxxxxxxx, linux-integrity@xxxxxxxxxxxxxxx, linux-doc@xxxxxxxxxxxxxxx, linux-unionfs@xxxxxxxxxxxxxxx
In-reply-to: <20240221-idmap-fscap-refactor-v2-3-3039364623bd@kernel.org>

On Wed, Feb 21, 2024 at 03:24:34PM -0600, Seth Forshee (DigitalOcean) wrote:
> Capability code depends on vfs_ns_cap_data being an extension of
> vfs_cap_data, so verify this at compile time.
> 
> Suggested-by: Christian Brauner <brauner@xxxxxxxxxx>
> Signed-off-by: Seth Forshee (DigitalOcean) <sforshee@xxxxxxxxxx>
> ---

Looks good,
Reviewed-by: Christian Brauner <brauner@xxxxxxxxxx>

References:
- [PATCH v2 00/25] fs: use type-safe uid representation for filesystem capabilities
  - From: Seth Forshee (DigitalOcean)
- [PATCH v2 03/25] capability: add static asserts for comapatibility of vfs_cap_data and vfs_ns_cap_data
  - From: Seth Forshee (DigitalOcean)

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