From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.0 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id E7221C433E4 for ; Wed, 15 Jul 2020 08:29:59 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id D0F6520663 for ; Wed, 15 Jul 2020 08:29:59 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726856AbgGOI34 (ORCPT ); Wed, 15 Jul 2020 04:29:56 -0400 Received: from mail-oo1-f67.google.com ([209.85.161.67]:44168 "EHLO mail-oo1-f67.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725885AbgGOI34 (ORCPT ); Wed, 15 Jul 2020 04:29:56 -0400 Received: by mail-oo1-f67.google.com with SMTP id o36so296646ooi.11; Wed, 15 Jul 2020 01:29:55 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=2kAaWMwZVt1TtW+VGsV2swIGSOLuHPRWZdlu1mnnD68=; b=p9OZ6Iu0jh5WfBQsqaTlVSavALis1LsKKO/xuokFTPGYw2sj9jUnCmzkf0TY7RwWdx YGA64QHn6EWR3qWgyqkzSRLtTDgQXKKcM16q5vpjJUKhJ67NZ9Oy7KIFm9Bx0xkrdiXT IkT9jHq2RtYpCiMiNdajfy9PsX/7ew0vQUJZi6jghMuYPtePh74GTi2V1lHe1z5QvSOA bpjURc7RCQPfPsRAZ/RujLSrdICsXyInOW1eVUCZyQjlDsiS1cnVNrOG0CaYKtm7sU67 QeFL8uB2ISscpisPmu5e5ugyUvz9DTvubey0i1QQ0yoMDt1UHUqkptEmd+MaLICWT4G7 Qhkg== X-Gm-Message-State: AOAM531NT7YaPju+Ar0ahMBwh1wF28C+fHWNh+AaZosIGvEyUHLVTZ2W +xpKeCgigzLNkwgHjeegy2rIRAkPbMUPuFAarBY= X-Google-Smtp-Source: ABdhPJw2kyhJB1Q8I9moIhAMt6CsrMmz+dmXrIDcOSx9Lq+GKqzeucCTLSaJdLMMsmWVmuXHh1UZfBsTqdM8Ql684Zg= X-Received: by 2002:a4a:9552:: with SMTP id n18mr8265150ooi.1.1594801794967; Wed, 15 Jul 2020 01:29:54 -0700 (PDT) MIME-Version: 1.0 References: <20200714161415.3886463-1-christian.brauner@ubuntu.com> <20200714161415.3886463-5-christian.brauner@ubuntu.com> In-Reply-To: <20200714161415.3886463-5-christian.brauner@ubuntu.com> From: Geert Uytterhoeven Date: Wed, 15 Jul 2020 10:29:43 +0200 Message-ID: Subject: Re: [PATCH 3/4] fs: add mount_setattr() To: Christian Brauner Cc: David Howells , Al Viro , Linux FS Devel , Linux Kernel Mailing List , Linux API , Michael Kerrisk , Aleksa Sarai Content-Type: text/plain; charset="UTF-8" Sender: linux-fsdevel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-fsdevel@vger.kernel.org On Tue, Jul 14, 2020 at 6:17 PM Christian Brauner wrote: > This implements the mount_setattr() syscall. While the new mount api > allows to change the properties of a superblock there is currently no > way to change the mount properties of a mount or mount tree using mount > file descriptors which the new mount api is based on. In addition the > old mount api has the restriction that mount options cannot be > applied recursively. This hasn't changed since changing mount options on > a per-mount basis was implemented in [1] and has been a frequent > request. [...] > Signed-off-by: Christian Brauner > arch/m68k/kernel/syscalls/syscall.tbl | 1 + Acked-by: Geert Uytterhoeven Gr{oetje,eeting}s, Geert -- Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org In personal conversations with technical people, I call myself a hacker. But when I'm talking to journalists I just say "programmer" or something like that. -- Linus Torvalds