From nobody Fri Oct 24 20:13:46 2025 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 9F984C00140 for ; Mon, 15 Aug 2022 20:09:11 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S240217AbiHOUJJ (ORCPT ); Mon, 15 Aug 2022 16:09:09 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50798 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S240602AbiHOUIf (ORCPT ); Mon, 15 Aug 2022 16:08:35 -0400 Received: from ams.source.kernel.org (ams.source.kernel.org [145.40.68.75]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 7510C481DE; Mon, 15 Aug 2022 11:55:31 -0700 (PDT) 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 85008B810A0; Mon, 15 Aug 2022 18:55:29 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id DFDD1C433C1; Mon, 15 Aug 2022 18:55:27 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1660589728; bh=ROX/1QPSrkWehly//Z9ez2AbVEnBFV5ns4JBLQV7t80=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=kWc0s1yua8+4Hda6KKCExzIzpCUFhmThZ/sQB7qvkz7K9hVe9jdrLexBbq5YB+syq c9vN9TZFN6AiWBmOHb+aJh0qMvB6nWlprrbI30+h3RVAlyLEmr1Qbi9DY2AkO1YhMR lerZqfBzS+oJ3ibamLPoHxOk/cDMftvIMBfaMRT8= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Trond Myklebust Subject: [PATCH 5.18 0005/1095] pNFS/flexfiles: Report RDMA connection errors to the server Date: Mon, 15 Aug 2022 19:50:04 +0200 Message-Id: <20220815180429.511045249@linuxfoundation.org> X-Mailer: git-send-email 2.37.2 In-Reply-To: <20220815180429.240518113@linuxfoundation.org> References: <20220815180429.240518113@linuxfoundation.org> User-Agent: quilt/0.67 MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" From: Trond Myklebust commit 7836d75467e9d214bdf5c693b32721de729a6e38 upstream. The RPC/RDMA driver will return -EPROTO and -ENODEV as connection errors under certain circumstances. Make sure that we handle them and report them to the server. If not, we can end up cycling forever in a LAYOUTGET/LAYOUTRETURN loop. Fixes: a12f996d3413 ("NFSv4/pNFS: Use connections to a DS that are all of t= he same protocol family") Cc: stable@vger.kernel.org # 5.11.x Signed-off-by: Trond Myklebust Signed-off-by: Greg Kroah-Hartman --- fs/nfs/flexfilelayout/flexfilelayout.c | 4 ++++ 1 file changed, 4 insertions(+) --- a/fs/nfs/flexfilelayout/flexfilelayout.c +++ b/fs/nfs/flexfilelayout/flexfilelayout.c @@ -1131,6 +1131,8 @@ static int ff_layout_async_handle_error_ case -EIO: case -ETIMEDOUT: case -EPIPE: + case -EPROTO: + case -ENODEV: dprintk("%s DS connection error %d\n", __func__, task->tk_status); nfs4_delete_deviceid(devid->ld, devid->nfs_client, @@ -1236,6 +1238,8 @@ static void ff_layout_io_track_ds_error( case -ENOBUFS: case -EPIPE: case -EPERM: + case -EPROTO: + case -ENODEV: *op_status =3D status =3D NFS4ERR_NXIO; break; case -EACCES: