From patchwork Tue Jul 27 10:48:49 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christian Brauner X-Patchwork-Id: 12402483 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=-19.7 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham 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 E7DE5C432BE for ; Tue, 27 Jul 2021 10:50:55 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id C9B0E60238 for ; Tue, 27 Jul 2021 10:50:55 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236428AbhG0Kuy (ORCPT ); Tue, 27 Jul 2021 06:50:54 -0400 Received: from mail.kernel.org ([198.145.29.99]:55986 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236221AbhG0Kuw (ORCPT ); Tue, 27 Jul 2021 06:50:52 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 12A5261220; Tue, 27 Jul 2021 10:50:50 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1627383053; bh=MwpoHXsjwIzjqq6MD7XpqH6Fj/JBKVG/oSpwj7/Y34I=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=TTBQ/YBWGBu9YVPEjKT0pkYP5ywy0ISfWYCGBBe0uFmDHu457U7OLxRDnOYu1E855 /n8EfosXvcmK5kdub2Ob83YgO3+gdcVW4PaglM5jZJcpzQ396YVEEbe2yDuFq8nLcD WlyG5+BwHzcfUGaL7lA/Ycb+qE1e8jnXcRJa8rVdEO8GX6L7eGt7itFCKCmWis/uR0 tyJjMeatUqjkfWlEQ2S1D5tXECMtF/nbq1uu5WCADXzH2qYyvkFjydcD9mlWhiT/FT la/OyGVH977aa4qIEUBYZ6A2JHmTUlHaxXsBv7dQB+Mm+vElHFJ+PIZJWK1o7a8GEH du9Xsv8qEVo4g== From: Christian Brauner To: Christoph Hellwig , Chris Mason , Josef Bacik , David Sterba Cc: Al Viro , linux-btrfs@vger.kernel.org, Christian Brauner , Christoph Hellwig Subject: [PATCH v4 10/21] btrfs/inode: allow idmapped setattr iop Date: Tue, 27 Jul 2021 12:48:49 +0200 Message-Id: <20210727104900.829215-11-brauner@kernel.org> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20210727104900.829215-1-brauner@kernel.org> References: <20210727104900.829215-1-brauner@kernel.org> MIME-Version: 1.0 X-Developer-Signature: v=1; a=openpgp-sha256; l=1492; h=from:subject; bh=3+zZuX1Hq6Qu7bCR0H+pKUUhTQ0C1HBYfr5glA7aA8Y=; b=owGbwMvMwCU28Zj0gdSKO4sYT6slMST8fzIlp8Dl0eSz/C+vH17pc/5vsL/di/xpEqw9SgYeRTVC j7xrOkpZGMS4GGTFFFkc2k3C5ZbzVGw2ytSAmcPKBDKEgYtTACai48vwP+Dvhd03LT5v931eym/80b TQIOiXq/1mufLTq/rXhicweDL8M0vaa3dhBsetdY3Onn3hTVulzHZxWD9f2TN17eIdvsc5eAA= X-Developer-Key: i=christian.brauner@ubuntu.com; a=openpgp; fpr=4880B8C9BD0E5106FC070F4F7B3C391EFEA93624 Precedence: bulk List-ID: X-Mailing-List: linux-btrfs@vger.kernel.org From: Christian Brauner Enable btrfs_setattr() to handle idmapped mounts. This is just a matter of passing down the mount's userns. Cc: Chris Mason Cc: Josef Bacik Cc: Christoph Hellwig Cc: David Sterba Cc: linux-btrfs@vger.kernel.org Reviewed-by: Josef Bacik Signed-off-by: Christian Brauner --- /* v2 */ unchanged /* v3 */ unchanged /* v4 */ unchanged --- fs/btrfs/inode.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c index 0a45e3152016..2d9717861a6b 100644 --- a/fs/btrfs/inode.c +++ b/fs/btrfs/inode.c @@ -5342,7 +5342,7 @@ static int btrfs_setattr(struct user_namespace *mnt_userns, struct dentry *dentr if (btrfs_root_readonly(root)) return -EROFS; - err = setattr_prepare(&init_user_ns, dentry, attr); + err = setattr_prepare(mnt_userns, dentry, attr); if (err) return err; @@ -5353,12 +5353,12 @@ static int btrfs_setattr(struct user_namespace *mnt_userns, struct dentry *dentr } if (attr->ia_valid) { - setattr_copy(&init_user_ns, inode, attr); + setattr_copy(mnt_userns, inode, attr); inode_inc_iversion(inode); err = btrfs_dirty_inode(inode); if (!err && attr->ia_valid & ATTR_MODE) - err = posix_acl_chmod(&init_user_ns, inode, + err = posix_acl_chmod(mnt_userns, inode, inode->i_mode); }