linux-kernel - Re: [RFC PATCH 2/3] add statmnt(2) syscall

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Message-ID: <CAJfpegtaGXoZkMWLnk3PcibAvp7kv-4Yobo=UJj943L6v3ctJQ@mail.gmail.com>
Date:   Mon, 18 Sep 2023 16:32:30 +0200
From:   Miklos Szeredi <miklos@...redi.hu>
To:     Christian Brauner <brauner@...nel.org>
Cc:     Miklos Szeredi <mszeredi@...hat.com>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-api@...r.kernel.org, linux-man@...r.kernel.org,
        linux-security-module@...r.kernel.org, Karel Zak <kzak@...hat.com>,
        Ian Kent <raven@...maw.net>,
        David Howells <dhowells@...hat.com>,
        Al Viro <viro@...iv.linux.org.uk>,
        Christian Brauner <christian@...uner.io>,
        Amir Goldstein <amir73il@...il.com>
Subject: Re: [RFC PATCH 2/3] add statmnt(2) syscall

On Mon, 18 Sept 2023 at 16:25, Christian Brauner <brauner@...nel.org> wrote:

> The system call should please have a proper struct like you had in your
> first proposal. This is what I'm concerned about:
>
> int statmount(u64 mnt_id,
>               struct statmnt __user *st,
>               size_t size,
>               unsigned int flags)
>
> instead of taking an void pointer.

So you are not concerned about having ascii strings returned by the
syscall?   I thought that was the main complaint.

Thanks,
Miklos