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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id B3AF8C43217 for ; Mon, 31 Jan 2022 11:11:57 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1359685AbiAaLL4 (ORCPT ); Mon, 31 Jan 2022 06:11:56 -0500 Received: from ams.source.kernel.org ([145.40.68.75]:57144 "EHLO ams.source.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1377223AbiAaLJt (ORCPT ); Mon, 31 Jan 2022 06:09:49 -0500 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id BD382B82A4C; Mon, 31 Jan 2022 11:09:48 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id CFED7C340E8; Mon, 31 Jan 2022 11:09:46 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1643627387; bh=GRxFcrspBDZRFlASEt8oRRx66DaP085lVTs5yNE/Bvk=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=aMhjUnZAyimGGAEzcEq4Wcs5Cym+Ruo6KsxNzDtVbq/AfKOZ5yefxzQGEu9lRdUuz Bhg6JehVkqF1XxaZRH0mOZ4dF5ucqI90hG6ATi+OzcdNXmQ/5Ypp/3n53A2IASCk3q dkyUBf8eYB8nmRJosAxZB1HYFvKNTOaeB5Y+L6nM= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Dan van der Ster , Jeff Layton , Ilya Dryomov Subject: [PATCH 5.15 024/171] ceph: set pool_ns in new inode layout for async creates Date: Mon, 31 Jan 2022 11:54:49 +0100 Message-Id: <20220131105230.842077669@linuxfoundation.org> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20220131105229.959216821@linuxfoundation.org> References: <20220131105229.959216821@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Jeff Layton commit 4584a768f22b7669cdebabc911543621ac661341 upstream. Dan reported that he was unable to write to files that had been asynchronously created when the client's OSD caps are restricted to a particular namespace. The issue is that the layout for the new inode is only partially being filled. Ensure that we populate the pool_ns_data and pool_ns_len in the iinfo before calling ceph_fill_inode. Cc: stable@vger.kernel.org URL: https://tracker.ceph.com/issues/54013 Fixes: 9a8d03ca2e2c ("ceph: attempt to do async create when possible") Reported-by: Dan van der Ster Signed-off-by: Jeff Layton Reviewed-by: Ilya Dryomov Signed-off-by: Ilya Dryomov Signed-off-by: Greg Kroah-Hartman --- fs/ceph/file.c | 7 +++++++ 1 file changed, 7 insertions(+) --- a/fs/ceph/file.c +++ b/fs/ceph/file.c @@ -577,6 +577,7 @@ static int ceph_finish_async_create(stru struct ceph_inode_info *ci = ceph_inode(dir); struct inode *inode; struct timespec64 now; + struct ceph_string *pool_ns; struct ceph_mds_client *mdsc = ceph_sb_to_mdsc(dir->i_sb); struct ceph_vino vino = { .ino = req->r_deleg_ino, .snap = CEPH_NOSNAP }; @@ -626,6 +627,12 @@ static int ceph_finish_async_create(stru in.max_size = cpu_to_le64(lo->stripe_unit); ceph_file_layout_to_legacy(lo, &in.layout); + /* lo is private, so pool_ns can't change */ + pool_ns = rcu_dereference_raw(lo->pool_ns); + if (pool_ns) { + iinfo.pool_ns_len = pool_ns->len; + iinfo.pool_ns_data = pool_ns->str; + } down_read(&mdsc->snap_rwsem); ret = ceph_fill_inode(inode, NULL, &iinfo, NULL, req->r_session,