From patchwork Thu Jul 25 12:16:39 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Yan, Zheng" X-Patchwork-Id: 11058743 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id BBDAE138D for ; Thu, 25 Jul 2019 12:16:56 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id AC81E286F7 for ; Thu, 25 Jul 2019 12:16:56 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 97BC92882A; Thu, 25 Jul 2019 12:16:56 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.9 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id EFB4628837 for ; Thu, 25 Jul 2019 12:16:55 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729381AbfGYMQz (ORCPT ); Thu, 25 Jul 2019 08:16:55 -0400 Received: from mx1.redhat.com ([209.132.183.28]:42188 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729373AbfGYMQy (ORCPT ); Thu, 25 Jul 2019 08:16:54 -0400 Received: from smtp.corp.redhat.com (int-mx05.intmail.prod.int.phx2.redhat.com [10.5.11.15]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 1297A30C714E for ; Thu, 25 Jul 2019 12:16:54 +0000 (UTC) Received: from zhyan-laptop.redhat.com (ovpn-12-64.pek2.redhat.com [10.72.12.64]) by smtp.corp.redhat.com (Postfix) with ESMTP id 1B2CB5D71A; Thu, 25 Jul 2019 12:16:51 +0000 (UTC) From: "Yan, Zheng" To: ceph-devel@vger.kernel.org Cc: idryomov@redhat.com, jlayton@redhat.com, "Yan, Zheng" Subject: [PATCH v3 1/9] libceph: add function that reset client's entity addr Date: Thu, 25 Jul 2019 20:16:39 +0800 Message-Id: <20190725121647.17093-2-zyan@redhat.com> In-Reply-To: <20190725121647.17093-1-zyan@redhat.com> References: <20190725121647.17093-1-zyan@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.15 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.46]); Thu, 25 Jul 2019 12:16:54 +0000 (UTC) Sender: ceph-devel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: ceph-devel@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP This function also re-open connections to OSD/MON, and re-send in-flight OSD requests after re-opening connections to OSD. Signed-off-by: "Yan, Zheng" --- include/linux/ceph/libceph.h | 1 + include/linux/ceph/messenger.h | 1 + include/linux/ceph/mon_client.h | 1 + include/linux/ceph/osd_client.h | 1 + net/ceph/ceph_common.c | 8 ++++++++ net/ceph/messenger.c | 6 ++++++ net/ceph/mon_client.c | 7 +++++++ net/ceph/osd_client.c | 16 ++++++++++++++++ 8 files changed, 41 insertions(+) diff --git a/include/linux/ceph/libceph.h b/include/linux/ceph/libceph.h index 82156da3c650..b9dbda1c26aa 100644 --- a/include/linux/ceph/libceph.h +++ b/include/linux/ceph/libceph.h @@ -293,6 +293,7 @@ struct ceph_client *ceph_create_client(struct ceph_options *opt, void *private); struct ceph_entity_addr *ceph_client_addr(struct ceph_client *client); u64 ceph_client_gid(struct ceph_client *client); extern void ceph_destroy_client(struct ceph_client *client); +extern void ceph_reset_client_addr(struct ceph_client *client); extern int __ceph_open_session(struct ceph_client *client, unsigned long started); extern int ceph_open_session(struct ceph_client *client); diff --git a/include/linux/ceph/messenger.h b/include/linux/ceph/messenger.h index 23895d178149..c4458dc6a757 100644 --- a/include/linux/ceph/messenger.h +++ b/include/linux/ceph/messenger.h @@ -337,6 +337,7 @@ extern void ceph_msgr_flush(void); extern void ceph_messenger_init(struct ceph_messenger *msgr, struct ceph_entity_addr *myaddr); extern void ceph_messenger_fini(struct ceph_messenger *msgr); +extern void ceph_messenger_reset_nonce(struct ceph_messenger *msgr); extern void ceph_con_init(struct ceph_connection *con, void *private, const struct ceph_connection_operations *ops, diff --git a/include/linux/ceph/mon_client.h b/include/linux/ceph/mon_client.h index b4d134d3312a..dbb8a6959a73 100644 --- a/include/linux/ceph/mon_client.h +++ b/include/linux/ceph/mon_client.h @@ -109,6 +109,7 @@ extern int ceph_monmap_contains(struct ceph_monmap *m, extern int ceph_monc_init(struct ceph_mon_client *monc, struct ceph_client *cl); extern void ceph_monc_stop(struct ceph_mon_client *monc); +extern void ceph_monc_reopen_session(struct ceph_mon_client *monc); enum { CEPH_SUB_MONMAP = 0, diff --git a/include/linux/ceph/osd_client.h b/include/linux/ceph/osd_client.h index ad7fe5d10dcd..d1c3e829f30d 100644 --- a/include/linux/ceph/osd_client.h +++ b/include/linux/ceph/osd_client.h @@ -381,6 +381,7 @@ extern void ceph_osdc_cleanup(void); extern int ceph_osdc_init(struct ceph_osd_client *osdc, struct ceph_client *client); extern void ceph_osdc_stop(struct ceph_osd_client *osdc); +extern void ceph_osdc_reopen_osds(struct ceph_osd_client *osdc); extern void ceph_osdc_handle_reply(struct ceph_osd_client *osdc, struct ceph_msg *msg); diff --git a/net/ceph/ceph_common.c b/net/ceph/ceph_common.c index 1c811c74bfc0..6676f48d615c 100644 --- a/net/ceph/ceph_common.c +++ b/net/ceph/ceph_common.c @@ -694,6 +694,14 @@ void ceph_destroy_client(struct ceph_client *client) } EXPORT_SYMBOL(ceph_destroy_client); +void ceph_reset_client_addr(struct ceph_client *client) +{ + ceph_messenger_reset_nonce(&client->msgr); + ceph_monc_reopen_session(&client->monc); + ceph_osdc_reopen_osds(&client->osdc); +} +EXPORT_SYMBOL(ceph_reset_client_addr); + /* * true if we have the mon map (and have thus joined the cluster) */ diff --git a/net/ceph/messenger.c b/net/ceph/messenger.c index 0473d9a7b1f4..c75b3c055f34 100644 --- a/net/ceph/messenger.c +++ b/net/ceph/messenger.c @@ -3030,6 +3030,12 @@ static void con_fault(struct ceph_connection *con) } +void ceph_messenger_reset_nonce(struct ceph_messenger *msgr) +{ + u32 nonce = le32_to_cpu(msgr->inst.addr.nonce) + 1000000; + msgr->inst.addr.nonce = cpu_to_le32(nonce); + encode_my_addr(msgr); +} /* * initialize a new messenger instance diff --git a/net/ceph/mon_client.c b/net/ceph/mon_client.c index 0520bf9825aa..7256c402ebaa 100644 --- a/net/ceph/mon_client.c +++ b/net/ceph/mon_client.c @@ -213,6 +213,13 @@ static void reopen_session(struct ceph_mon_client *monc) __open_session(monc); } +void ceph_monc_reopen_session(struct ceph_mon_client *monc) +{ + mutex_lock(&monc->mutex); + reopen_session(monc); + mutex_unlock(&monc->mutex); +} + static void un_backoff(struct ceph_mon_client *monc) { monc->hunt_mult /= 2; /* reduce by 50% */ diff --git a/net/ceph/osd_client.c b/net/ceph/osd_client.c index 0b2df09b2554..09e1857d033e 100644 --- a/net/ceph/osd_client.c +++ b/net/ceph/osd_client.c @@ -5087,6 +5087,22 @@ int ceph_osdc_call(struct ceph_osd_client *osdc, } EXPORT_SYMBOL(ceph_osdc_call); +/* + * reset all osd connections + */ +void ceph_osdc_reopen_osds(struct ceph_osd_client *osdc) +{ + struct rb_node *n; + down_write(&osdc->lock); + for (n = rb_first(&osdc->osds); n; ) { + struct ceph_osd *osd = rb_entry(n, struct ceph_osd, o_node); + n = rb_next(n); + if (!reopen_osd(osd)) + kick_osd_requests(osd); + } + up_write(&osdc->lock); +} + /* * init, shutdown */