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=-12.8 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable 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 64279C433DF for ; Tue, 14 Jul 2020 19:11:09 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 3488322461 for ; Tue, 14 Jul 2020 19:11:09 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="jbGQngvV" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730965AbgGNTI4 (ORCPT ); Tue, 14 Jul 2020 15:08:56 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:41840 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730198AbgGNTIx (ORCPT ); Tue, 14 Jul 2020 15:08:53 -0400 Received: from casper.infradead.org (casper.infradead.org [IPv6:2001:8b0:10b:1236::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 0A322C061794; Tue, 14 Jul 2020 12:08:53 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; h=Content-Transfer-Encoding:MIME-Version: References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From:Sender:Reply-To: Content-Type:Content-ID:Content-Description; bh=BDxqNAyXTxzLLCgYDAkjeG7ETUtTJqGj9qruExt6hQ4=; b=jbGQngvVuzXKT8N+TaSzkVnsIy TIhImTs77/i/C8718Y8Qn3T8pmPJpu+4MN4uETRii8aUpey96ZZxNLecbin9T9CR4NLQG2ck/WLxR Rn5DoF3TV/mBmRF3TLHsoW24E5ZEZVGxe64zeXBxlsJJ8dHeG63cAD2o42kfhzSEwsdBIgwwUpJLM GO1cck0PorBhdHcittMmNalv9/4av3KIC0FRwi9KeIQBzk/beAKPL6c3wdbOoDLHpBffxvDvBLNq5 ATj36va3+CVflk8UOYtp7YkZED2mU/99nAUfF6TeHn7BOH22JsJXAtI2ZEcDVYPcGP0G57EXS1yje wIH0k3MA==; Received: from [2001:4bb8:188:5f50:f037:8cfe:627e:7028] (helo=localhost) by casper.infradead.org with esmtpsa (Exim 4.92.3 #3 (Red Hat Linux)) id 1jvQIN-0005pH-9X; Tue, 14 Jul 2020 19:08:51 +0000 From: Christoph Hellwig To: linux-kernel@vger.kernel.org Cc: "H. Peter Anvin" , Song Liu , Al Viro , Linus Torvalds , linux-raid@vger.kernel.org, linux-fsdevel@vger.kernel.org Subject: [PATCH 02/23] fs: add a vfs_fchmod helper Date: Tue, 14 Jul 2020 21:04:06 +0200 Message-Id: <20200714190427.4332-3-hch@lst.de> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20200714190427.4332-1-hch@lst.de> References: <20200714190427.4332-1-hch@lst.de> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-SRS-Rewrite: SMTP reverse-path rewritten from by casper.infradead.org. See http://www.infradead.org/rpr.html Sender: linux-fsdevel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-fsdevel@vger.kernel.org Add a helper for struct file based chmode operations. To be used by the initramfs code soon. Signed-off-by: Christoph Hellwig --- fs/open.c | 9 +++++++-- include/linux/fs.h | 1 + 2 files changed, 8 insertions(+), 2 deletions(-) diff --git a/fs/open.c b/fs/open.c index 103c66309bee67..75166f071d280a 100644 --- a/fs/open.c +++ b/fs/open.c @@ -602,14 +602,19 @@ static int chmod_common(const struct path *path, umode_t mode) return error; } +int vfs_fchmod(struct file *file, umode_t mode) +{ + audit_file(file); + return chmod_common(&file->f_path, mode); +} + int ksys_fchmod(unsigned int fd, umode_t mode) { struct fd f = fdget(fd); int err = -EBADF; if (f.file) { - audit_file(f.file); - err = chmod_common(&f.file->f_path, mode); + err = vfs_fchmod(f.file, mode); fdput(f); } return err; diff --git a/include/linux/fs.h b/include/linux/fs.h index 0ddd64ca0b45c0..635086726f2053 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -1745,6 +1745,7 @@ int vfs_mkobj(struct dentry *, umode_t, void *); int vfs_fchown(struct file *file, uid_t user, gid_t group); +int vfs_fchmod(struct file *file, umode_t mode); extern long vfs_ioctl(struct file *file, unsigned int cmd, unsigned long arg); -- 2.27.0