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=-6.2 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS 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 6B0EDC433C1 for ; Tue, 23 Mar 2021 00:24:15 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 2EA8E619AF for ; Tue, 23 Mar 2021 00:24:15 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230454AbhCWAXn (ORCPT ); Mon, 22 Mar 2021 20:23:43 -0400 Received: from mail.kernel.org ([198.145.29.99]:59278 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230393AbhCWAXP (ORCPT ); Mon, 22 Mar 2021 20:23:15 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id A43C4619AA; Tue, 23 Mar 2021 00:23:14 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1616458995; bh=nkXyKoH5tzxY3ZZp2BfQD7Nub4F95PaZoMxm5kRoHAs=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=j2jWFrji6uSyaOuVhuBYGdz5yDMxbQOo8xo4R6rZpArE+V0248puk9RsVkblgo7S8 S9UsgVZNhje3vHMwqMwyYG4t2oANep1ANGMXaacYeEs+dip0iHWCgI4YHaGLLGtg3Q nRrLEKWG+oRGYgPsiDnvBBFisfgli/Gs61fkAT6F2ezWiiqa/Kb+18xLEOlsdQwaxL ZAua1PkLk9jPUCh1D0oJ6IUO+WXTyaB4Q6k4c+jwk9gdN3AtCaEtI5ywyOA+89+Gqi cNRM08tiJwV2D5c7bjfvRDVz2y89eJdqJeLvXY6LygJ0EImp3ppRmGY8TYuZ5bZ6dQ nHMOqBIrtxZNw== Date: Mon, 22 Mar 2021 17:23:13 -0700 From: Eric Biggers To: Miklos Szeredi Cc: linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, Al Viro , Andreas Dilger , Andreas Gruenbacher , Christoph Hellwig , "Darrick J . Wong" , Dave Kleikamp , David Sterba , Jaegeuk Kim , Jan Kara , Joel Becker , Matthew Garrett , Mike Marshall , Richard Weinberger , Ryusuke Konishi , Theodore Ts'o , Tyler Hicks Subject: Re: [PATCH 01/18] vfs: add miscattr ops Message-ID: References: <20210203124112.1182614-1-mszeredi@redhat.com> <20210203124112.1182614-2-mszeredi@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20210203124112.1182614-2-mszeredi@redhat.com> Precedence: bulk List-ID: X-Mailing-List: linux-fsdevel@vger.kernel.org On Wed, Feb 03, 2021 at 01:40:55PM +0100, Miklos Szeredi wrote: > + * Verifying attributes involves retrieving current attributes with > + * i_op->miscattr_get(), this also allows initilaizing attributes that have initilaizing => initializing > +int vfs_miscattr_set(struct dentry *dentry, struct miscattr *ma) > +{ > + struct inode *inode = d_inode(dentry); > + struct miscattr old_ma = {}; > + int err; > + > + if (d_is_special(dentry)) > + return -ENOTTY; > + > + if (!inode->i_op->miscattr_set) > + return -ENOIOCTLCMD; > + > + if (!inode_owner_or_capable(inode)) > + return -EPERM; Shouldn't this be EACCES, not EPERM? > +/** > + * miscattr_has_xattr - check for extentended flags/attributes extentended => extended - Eric