From patchwork Thu Oct 3 05:50:16 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Goldwyn Rodrigues X-Patchwork-Id: 2981281 Return-Path: X-Original-To: patchwork-ocfs2-devel@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 3FDE79F245 for ; Thu, 3 Oct 2013 05:50:39 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id E7D46202FE for ; Thu, 3 Oct 2013 05:50:37 +0000 (UTC) Received: from userp1040.oracle.com (userp1040.oracle.com [156.151.31.81]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id A23F7202E5 for ; Thu, 3 Oct 2013 05:50:36 +0000 (UTC) Received: from acsinet21.oracle.com (acsinet21.oracle.com [141.146.126.237]) by userp1040.oracle.com (Sentrion-MTA-4.3.1/Sentrion-MTA-4.3.1) with ESMTP id r935oSq6029249 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Thu, 3 Oct 2013 05:50:29 GMT Received: from oss.oracle.com (oss-external.oracle.com [137.254.96.51]) by acsinet21.oracle.com (8.14.4+Sun/8.14.4) with ESMTP id r935oQG5015141 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Thu, 3 Oct 2013 05:50:27 GMT Received: from localhost ([127.0.0.1] helo=oss.oracle.com) by oss.oracle.com with esmtp (Exim 4.63) (envelope-from ) id 1VRbnu-0000k6-PU; Wed, 02 Oct 2013 22:50:26 -0700 Received: from acsinet22.oracle.com ([141.146.126.238]) by oss.oracle.com with esmtp (Exim 4.63) (envelope-from ) id 1VRbnn-0000is-Dw for ocfs2-devel@oss.oracle.com; Wed, 02 Oct 2013 22:50:19 -0700 Received: from aserp1020.oracle.com (aserp1020.oracle.com [141.146.126.67]) by acsinet22.oracle.com (8.14.4+Sun/8.14.4) with ESMTP id r935oJg3005397 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK) for ; Thu, 3 Oct 2013 05:50:19 GMT Received: from mx2.suse.de (cantor2.suse.de [195.135.220.15]) by aserp1020.oracle.com (Sentrion-MTA-4.3.1/Sentrion-MTA-4.3.1) with ESMTP id r935oIHD007099 for ; Thu, 3 Oct 2013 05:50:18 GMT Received: from relay2.suse.de (unknown [195.135.220.254]) by mx2.suse.de (Postfix) with ESMTP id C2DE3A52D7; Thu, 3 Oct 2013 07:50:17 +0200 (CEST) Date: Thu, 3 Oct 2013 00:50:16 -0500 From: Goldwyn Rodrigues To: ocfs2-devel@oss.oracle.com Message-ID: <20131003055012.GA12900@shrek.lan> MIME-Version: 1.0 Content-Disposition: inline User-Agent: Mutt/1.5.21 (2010-09-15) X-Flow-Control-Info: class=Pass-to-MM reputation=ipRisk-All ip=195.135.220.15 ct-class=R5 ct-vol1=0 ct-vol2=8 ct-vol3=9 ct-risk=46 ct-spam1=67 ct-spam2=0 ct-bulk=99 rcpts=1 size=4492 X-SPF-Info: NONE::cantor2.suse.de X-Sendmail-CM-Score: 0.00% X-Sendmail-CM-Analysis: v=2.1 cv=VswaXYGn c=1 sm=1 tr=0 a=uEuDQZVrWKuLCe7byFjfVg==:117 a=uEuDQZVrWKuLCe7byFjfVg==:17 a=LcaDllckn3IA:10 a=YVZLDvKLtwcA:10 a=7SFtLa4N3QQA:10 a=kj9zAlcOel0A:10 a=UbY-Zc156cwA:10 a=iox4zFpeAAAA:8 a=pQav5wII-GAtN5DpyyMA:9 a=Ksm-_YdZNu MB8Ynw:21 a=r9XxGm--9gpfa8rW:21 a=CjuIK1q_8ugA:10 a=n9GBPR9yFnkA:10 X-Sendmail-CT-Classification: not spam X-Sendmail-CT-RefID: str=0001.0A090202.524D059A.01F5:SCFSTAT13898897, ss=1, re=-4.000, recu=0.000, reip=0.000, cl=1, cld=1, fgs=0 Cc: mfasheh@suse.com Subject: [Ocfs2-devel] [PATCH 4/5] Pass ocfs2_cluster_connection to ocfs2_this_node X-BeenThere: ocfs2-devel@oss.oracle.com X-Mailman-Version: 2.1.9 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: ocfs2-devel-bounces@oss.oracle.com Errors-To: ocfs2-devel-bounces@oss.oracle.com X-Source-IP: acsinet21.oracle.com [141.146.126.237] X-Spam-Status: No, score=-4.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_MED, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP This is done to differentiate between using and not using controld and use the connection information accordingly. We need to be backward compatible. So, we use a new enum ocfs2_connection_type to identify when controld is used and when it is not. Signed-off-by: Goldwyn Rodrigues --- fs/ocfs2/dlmglue.c | 2 +- fs/ocfs2/stack_o2cb.c | 3 ++- fs/ocfs2/stack_user.c | 17 +++++++++++++++-- fs/ocfs2/stackglue.c | 5 +++-- fs/ocfs2/stackglue.h | 6 ++++-- 5 files changed, 25 insertions(+), 8 deletions(-) diff --git a/fs/ocfs2/dlmglue.c b/fs/ocfs2/dlmglue.c index 7c57de3..f2d48c8 100644 --- a/fs/ocfs2/dlmglue.c +++ b/fs/ocfs2/dlmglue.c @@ -3007,7 +3007,7 @@ int ocfs2_dlm_init(struct ocfs2_super *osb) goto bail; } - status = ocfs2_cluster_this_node(&osb->node_num); + status = ocfs2_cluster_this_node(conn, &osb->node_num); if (status < 0) { mlog_errno(status); mlog(ML_ERROR, diff --git a/fs/ocfs2/stack_o2cb.c b/fs/ocfs2/stack_o2cb.c index bf1f893..1724d43 100644 --- a/fs/ocfs2/stack_o2cb.c +++ b/fs/ocfs2/stack_o2cb.c @@ -398,7 +398,8 @@ static int o2cb_cluster_disconnect(struct ocfs2_cluster_connection *conn) return 0; } -static int o2cb_cluster_this_node(unsigned int *node) +static int o2cb_cluster_this_node(struct ocfs2_cluster_connection *conn, + unsigned int *node) { int node_num; diff --git a/fs/ocfs2/stack_user.c b/fs/ocfs2/stack_user.c index 7869b90..6a9038f 100644 --- a/fs/ocfs2/stack_user.c +++ b/fs/ocfs2/stack_user.c @@ -103,6 +103,11 @@ #define OCFS2_CONTROL_MESSAGE_VERNUM_LEN 2 #define OCFS2_CONTROL_MESSAGE_NODENUM_LEN 8 +enum ocfs2_connection_type { + WITH_CONTROLD, + NO_CONTROLD +}; + /* * ocfs2_live_connection is refcounted because the filesystem and * miscdevice sides can detach in different order. Let's just be safe. @@ -110,6 +115,7 @@ struct ocfs2_live_connection { struct list_head oc_list; struct ocfs2_cluster_connection *oc_conn; + enum ocfs2_connection_type oc_type; atomic_t oc_this_node; int oc_our_slot; }; @@ -842,6 +848,8 @@ static int user_cluster_connect(struct ocfs2_cluster_connection *conn) goto out; } + lc->oc_type = WITH_CONTROLD; + rc = ocfs2_live_connection_new(conn, lc); if (rc) goto out; @@ -888,11 +896,16 @@ static int user_cluster_disconnect(struct ocfs2_cluster_connection *conn) return 0; } -static int user_cluster_this_node(unsigned int *this_node) +static int user_cluster_this_node(struct ocfs2_cluster_connection *conn, + unsigned int *this_node) { int rc; + struct ocfs2_live_connection *lc = conn->cc_private; - rc = ocfs2_control_get_this_node(); + if (lc->oc_type == WITH_CONTROLD) + rc = ocfs2_control_get_this_node(); + else + rc = -EINVAL; if (rc < 0) return rc; diff --git a/fs/ocfs2/stackglue.c b/fs/ocfs2/stackglue.c index 9acee13..8827489 100644 --- a/fs/ocfs2/stackglue.c +++ b/fs/ocfs2/stackglue.c @@ -465,9 +465,10 @@ void ocfs2_cluster_hangup(const char *group, int grouplen) } EXPORT_SYMBOL_GPL(ocfs2_cluster_hangup); -int ocfs2_cluster_this_node(unsigned int *node) +int ocfs2_cluster_this_node(struct ocfs2_cluster_connection *conn, + unsigned int *node) { - return active_stack->sp_ops->this_node(node); + return active_stack->sp_ops->this_node(conn, node); } EXPORT_SYMBOL_GPL(ocfs2_cluster_this_node); diff --git a/fs/ocfs2/stackglue.h b/fs/ocfs2/stackglue.h index b46fd51..d7bc4d0 100644 --- a/fs/ocfs2/stackglue.h +++ b/fs/ocfs2/stackglue.h @@ -157,7 +157,8 @@ struct ocfs2_stack_operations { * ->this_node() returns the cluster's unique identifier for the * local node. */ - int (*this_node)(unsigned int *node); + int (*this_node)(struct ocfs2_cluster_connection *conn, + unsigned int *node); /* * Call the underlying dlm lock function. The ->dlm_lock() @@ -267,7 +268,8 @@ int ocfs2_cluster_connect_agnostic(const char *group, int ocfs2_cluster_disconnect(struct ocfs2_cluster_connection *conn, int hangup_pending); void ocfs2_cluster_hangup(const char *group, int grouplen); -int ocfs2_cluster_this_node(unsigned int *node); +int ocfs2_cluster_this_node(struct ocfs2_cluster_connection *conn, + unsigned int *node); struct ocfs2_lock_res; int ocfs2_dlm_lock(struct ocfs2_cluster_connection *conn,