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=-6.0 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,UNPARSEABLE_RELAY,URIBL_BLOCKED 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 E7E66C432C3 for ; Thu, 14 Jan 2021 02:15:27 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id B1FEF23343 for ; Thu, 14 Jan 2021 02:15:27 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726745AbhANCOw (ORCPT ); Wed, 13 Jan 2021 21:14:52 -0500 Received: from aserp2130.oracle.com ([141.146.126.79]:42682 "EHLO aserp2130.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729112AbhAMVYv (ORCPT ); Wed, 13 Jan 2021 16:24:51 -0500 Received: from pps.filterd (aserp2130.oracle.com [127.0.0.1]) by aserp2130.oracle.com (8.16.0.42/8.16.0.42) with SMTP id 10DLE1F7126533; Wed, 13 Jan 2021 21:23:54 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oracle.com; h=content-type : mime-version : subject : from : in-reply-to : date : cc : content-transfer-encoding : message-id : references : to; s=corp-2020-01-29; bh=FbrG/Ft8tlxoZfneZ1aPlwCIst/zjmGosaSkCznqS3M=; b=vl6RUwn31xjo97PhO9SRQz0EwQ0eL4zHlH17enskB4mUbOtHKioT8+qHChKpatacIaE/ zea3pp8FJtJzSnrKYPxOHtS4IIMvrEOeP3XoYRfA90Ewx+3q9bg88C9Gd7yLh9vjIAx8 XMd4wZbBYaZYu8mG3AcX/t2k0unvSGNF2y15bDuxf83SJ5YNkPqaU0z+kOTfSgkQe/Yp WFH97YezazU0iG70+jGazGfbiJIe0/ioFjynxsOpxrwltV7UvICfppaYN5TCPf8pT9v5 5LOLyM1oLZJFgQo0LIIdDlW8p3VTqZdW1R+uVZGblQ4aPfunQ7+WtVPJtE/6G+z8YPr/ Ew== Received: from aserp3030.oracle.com (aserp3030.oracle.com [141.146.126.71]) by aserp2130.oracle.com with ESMTP id 360kg1wnay-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Wed, 13 Jan 2021 21:23:54 +0000 Received: from pps.filterd (aserp3030.oracle.com [127.0.0.1]) by aserp3030.oracle.com (8.16.0.42/8.16.0.42) with SMTP id 10DLACQc015069; Wed, 13 Jan 2021 21:23:54 GMT Received: from aserv0122.oracle.com (aserv0122.oracle.com [141.146.126.236]) by aserp3030.oracle.com with ESMTP id 360kf18x02-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Wed, 13 Jan 2021 21:23:54 +0000 Received: from abhmp0011.oracle.com (abhmp0011.oracle.com [141.146.116.17]) by aserv0122.oracle.com (8.14.4/8.14.4) with ESMTP id 10DLNqMe011197; Wed, 13 Jan 2021 21:23:54 GMT Received: from anon-dhcp-153.1015granger.net (/68.61.232.219) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Wed, 13 Jan 2021 13:23:52 -0800 Content-Type: text/plain; charset=us-ascii Mime-Version: 1.0 (Mac OS X Mail 13.4 \(3608.120.23.2.4\)) Subject: Re: [RFC PATCH 0/7] SUNRPC: Create sysfs files for changing IP From: Chuck Lever In-Reply-To: <7003D8A9-3B95-4B36-84EC-99D4D1806366@oracle.com> Date: Wed, 13 Jan 2021 16:23:51 -0500 Cc: Bruce Fields , Linux NFS Mailing List Content-Transfer-Encoding: quoted-printable Message-Id: <5EBDAA40-4F55-4EF2-956D-9877C4F4A9A7@oracle.com> References: <20210111214143.553479-1-Anna.Schumaker@Netapp.com> <20210112165911.GH9248@fieldses.org> <7003D8A9-3B95-4B36-84EC-99D4D1806366@oracle.com> To: Anna Schumaker X-Mailer: Apple Mail (2.3608.120.23.2.4) X-Proofpoint-Virus-Version: vendor=nai engine=6000 definitions=9863 signatures=668683 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 phishscore=0 bulkscore=0 malwarescore=0 suspectscore=0 adultscore=0 spamscore=0 mlxlogscore=999 mlxscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2009150000 definitions=main-2101130129 X-Proofpoint-Virus-Version: vendor=nai engine=6000 definitions=9863 signatures=668683 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 malwarescore=0 suspectscore=0 clxscore=1015 impostorscore=0 spamscore=0 priorityscore=1501 mlxscore=0 phishscore=0 mlxlogscore=999 bulkscore=0 adultscore=0 lowpriorityscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2009150000 definitions=main-2101130129 Precedence: bulk List-ID: X-Mailing-List: linux-nfs@vger.kernel.org > On Jan 13, 2021, at 2:48 PM, Chuck Lever = wrote: >=20 >> On Jan 13, 2021, at 2:23 PM, Anna Schumaker = wrote: >>=20 >> On Tue, Jan 12, 2021 at 11:59 AM J. Bruce Fields = wrote: >>>=20 >>> On Tue, Jan 12, 2021 at 08:09:09AM -0500, Chuck Lever wrote: >>>> Hi Anna- >>>>=20 >>>>> On Jan 11, 2021, at 4:41 PM, schumaker.anna@gmail.com wrote: >>>>>=20 >>>>> From: Anna Schumaker >>>>>=20 >>>>> It's possible for an NFS server to go down but come back up with a >>>>> different IP address. These patches provide a way for = administrators to >>>>> handle this issue by providing a new IP address for xprt sockets = to >>>>> connect to. >>>>>=20 >>>>> This is a first draft of the code, so any thoughts or suggestions = would >>>>> be greatly appreciated! >>>>=20 >>>> One implementation question, one future question. >>>>=20 >>>> Would /sys/kernel/net be a little better? or /sys/kernel/sunrpc ? >>=20 >> Possibly! I was trying to match /sys/fs/nfs, but I can definitely >> change this if another location is better. >=20 > Ah... since this is a supplement to the mount() interface, maybe > placing this new API under /sys/fs/nfs/ might make some sense. Or you could implement it with "-o remount,addr=3Dnew-address". -- Chuck Lever