linux-kernel - Re: [PATCH v6 4/6] fs: make vfs_fileattr

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Message-ID: <us4tut4gie736xav5lyiehh42uxnd4rodthmalte7gksuptknk@qeigxkbkpre4>
Date: Tue, 1 Jul 2025 14:52:57 +0200
From: Jan Kara <jack@...e.cz>
To: Andrey Albershteyn <aalbersh@...hat.com>
Cc: Amir Goldstein <amir73il@...il.com>, Arnd Bergmann <arnd@...db.de>, 
	Casey Schaufler <casey@...aufler-ca.com>, Christian Brauner <brauner@...nel.org>, Jan Kara <jack@...e.cz>, 
	Pali Rohár <pali@...nel.org>, Paul Moore <paul@...l-moore.com>, linux-api@...r.kernel.org, 
	linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org, linux-xfs@...r.kernel.org, 
	selinux@...r.kernel.org, Andrey Albershteyn <aalbersh@...nel.org>
Subject: Re: [PATCH v6 4/6] fs: make vfs_fileattr_[get|set] return -EOPNOSUPP

On Mon 30-06-25 18:20:14, Andrey Albershteyn wrote:
> Future patches will add new syscalls which use these functions. As
> this interface won't be used for ioctls only, the EOPNOSUPP is more
> appropriate return code.
> 
> This patch converts return code from ENOIOCTLCMD to EOPNOSUPP for
> vfs_fileattr_get and vfs_fileattr_set. To save old behavior translate
> EOPNOSUPP back for current users - overlayfs, encryptfs and fs/ioctl.c.
> 
> Signed-off-by: Andrey Albershteyn <aalbersh@...nel.org>

Modulo the small nits already pointed out this looks good to me. Feel free
to add:

Reviewed-by: Jan Kara <jack@...e.cz>

								Honza
-- 
Jan Kara <jack@...e.com>
SUSE Labs, CR