LU-327 cleanup the client import of mgc

[fs/lustre-release.git] / lustre / mgc / libmgc.c

diff --git a/lustre/mgc/libmgc.c b/lustre/mgc/libmgc.c
index 49a8260..981b79b 100644 (file)
--- a/lustre/mgc/libmgc.c
+++ b/lustre/mgc/libmgc.c
@@ -1,31 +1,47 @@
 /* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
  * vim:expandtab:shiftwidth=8:tabstop=8:
  *
- *  lustre/mgc/mgc_request.c
- *  Lustre Management Client
+ * GPL HEADER START
  *
- *  Copyright (C) 2006 Cluster File Systems, Inc.
- *   Author: Nathan Rutman <nathan@clusterfs.com>
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
- *   This file is part of Lustre, http://www.lustre.org
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 only,
+ * as published by the Free Software Foundation.
  *
- *   Lustre is free software; you can redistribute it and/or
- *   modify it under the terms of version 2 of the GNU General Public
- *   License as published by the Free Software Foundation.
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License version 2 for more details (a copy is included
+ * in the LICENSE file that accompanied this code).
  *
- *   Lustre is distributed in the hope that it will be useful,
- *   but WITHOUT ANY WARRANTY; without even the implied warranty of
- *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *   GNU General Public License for more details.
+ * You should have received a copy of the GNU General Public License
+ * version 2 along with this program; If not, see
+ * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
  *
- *   You should have received a copy of the GNU General Public License
- *   along with Lustre; if not, write to the Free Software
- *   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
  *
+ * GPL HEADER END
  */
+/*
+ * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Use is subject to license terms.
+ */
+/*
+ * This file is part of Lustre, http://www.lustre.org/
+ * Lustre is a trademark of Sun Microsystems, Inc.
+ *
+ * lustre/mgc/libmgc.c
+ *
+ * Lustre Management Client
+ * Author: Nathan Rutman <nathan@clusterfs.com>
+ */
+
 /* Minimal MGC for liblustre: only used to read the config log from the MGS
    at setup time, no updates. */
- 
+
 #ifndef EXPORT_SYMTAB
 # define EXPORT_SYMTAB
 #endif
@@ -39,18 +55,22 @@
 #include <lustre_fsfilt.h>
 #include <lustre_disk.h>
 
-static int mgc_setup(struct obd_device *obd, obd_count len, void *buf)
+
+static int mgc_setup(struct obd_device *obd, struct lustre_cfg *lcfg)
 {
         int rc;
         ENTRY;
 
         ptlrpcd_addref();
 
-        rc = client_obd_setup(obd, len, buf);
+        rc = client_obd_setup(obd, lcfg);
         if (rc)
                 GOTO(err_decref, rc);
 
-        rc = obd_llog_init(obd, obd, 0, NULL, NULL);
+        /* liblustre only support null flavor to MGS */
+        obd->u.cli.cl_flvr_mgc.sf_rpc = SPTLRPC_FLVR_NULL;
+
+        rc = obd_llog_init(obd, &obd->obd_olg, obd, NULL);
         if (rc) {
                 CERROR("failed to setup llogging subsystems\n");
                 GOTO(err_cleanup, rc);
@@ -71,16 +91,13 @@ static int mgc_precleanup(struct obd_device *obd, enum obd_cleanup_stage stage)
         ENTRY;
 
         switch (stage) {
-        case OBD_CLEANUP_EARLY: 
+        case OBD_CLEANUP_EARLY:
         case OBD_CLEANUP_EXPORTS:
-                break;
-        case OBD_CLEANUP_SELF_EXP:
+                obd_cleanup_client_import(obd);
                 rc = obd_llog_finish(obd, 0);
                 if (rc != 0)
                         CERROR("failed to cleanup llogging subsystems\n");
                 break;
-        case OBD_CLEANUP_OBD:
-                break;
         }
         RETURN(rc);
 }
@@ -92,26 +109,27 @@ static int mgc_cleanup(struct obd_device *obd)
         ENTRY;
 
         LASSERT(cli->cl_mgc_vfsmnt == NULL);
-        
+
         ptlrpcd_decref();
 
         rc = client_obd_cleanup(obd);
         RETURN(rc);
 }
 
-static int mgc_llog_init(struct obd_device *obd, struct obd_device *tgt,
-                         int count, struct llog_catid *logid, 
-                         struct obd_uuid *uuid)
+static int mgc_llog_init(struct obd_device *obd, struct obd_llog_group *olg,
+                         struct obd_device *tgt, int *index)
 {
         struct llog_ctxt *ctxt;
         int rc;
         ENTRY;
 
-        rc = llog_setup(obd, LLOG_CONFIG_REPL_CTXT, tgt, 0, NULL,
+        LASSERT(olg == &obd->obd_olg);
+        rc = llog_setup(obd, olg, LLOG_CONFIG_REPL_CTXT, tgt, 0, NULL,
                         &llog_client_ops);
         if (rc == 0) {
-                ctxt = llog_get_context(obd, LLOG_CONFIG_REPL_CTXT);
-                ctxt->loc_imp = obd->u.cli.cl_import;
+                ctxt = llog_group_get_ctxt(olg, LLOG_CONFIG_REPL_CTXT);
+                llog_initiator_connect(ctxt);
+                llog_ctxt_put(ctxt);
         }
 
         RETURN(rc);
@@ -142,6 +160,6 @@ struct obd_ops mgc_obd_ops = {
 
 int __init mgc_init(void)
 {
-        return class_register_type(&mgc_obd_ops, NULL, LUSTRE_MGC_NAME);
+        return class_register_type(&mgc_obd_ops, NULL,
+                                   NULL, LUSTRE_MGC_NAME, NULL);
 }
-