/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
* vim:expandtab:shiftwidth=8:tabstop=8:
*
- * Copyright (C) 2001-2003 Cluster File Systems, Inc.
- * Author: Andreas Dilger <adilger@clusterfs.com>
+ * GPL HEADER START
*
- * This file is part of the Lustre file system, http://www.lustre.org
- * Lustre is a trademark of Cluster File Systems, Inc.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
- * You may have signed or agreed to another license before downloading
- * this software. If so, you are bound by the terms and conditions
- * of that agreement, and the following does not apply to you. See the
- * LICENSE file included with this distribution for more information.
+ * 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.
*
- * If you did not agree to a different license, then this copy of Lustre
- * is open source 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).
*
- * In either case, 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
- * license text 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
+ *
+ * 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 2008 Sun Microsystems, Inc. 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/ptlrpc/llog_net.c
*
* OST<->MDS recovery logging infrastructure.
*
* Invariants in implementation:
* - we do not share logs among different OST<->MDS connections, so that
* if an OST or MDS fails it need only look at log(s) relevant to itself
+ *
+ * Author: Andreas Dilger <adilger@clusterfs.com>
*/
#define DEBUG_SUBSYSTEM S_LOG
#include <lustre_fsfilt.h>
#ifdef __KERNEL__
-int llog_origin_connect(struct llog_ctxt *ctxt, int count,
+int llog_origin_connect(struct llog_ctxt *ctxt,
struct llog_logid *logid, struct llog_gen *gen,
struct obd_uuid *uuid)
{
struct llogd_conn_body *req_body;
int size[2] = { sizeof(struct ptlrpc_body),
sizeof(struct llogd_conn_body) };
- struct inode* inode = ctxt->loc_handle->lgh_file->f_dentry->d_inode;
+ struct inode *inode;
void *handle;
int rc, rc1;
ENTRY;
+ LASSERT(ctxt != NULL);
+ LASSERT(ctxt->loc_handle != NULL);
+ LASSERT(ctxt->loc_handle->lgh_file != NULL);
+ LASSERT(ctxt->loc_handle->lgh_file->f_dentry != NULL);
+ inode = ctxt->loc_handle->lgh_file->f_dentry->d_inode;
+
if (list_empty(&ctxt->loc_handle->u.chd.chd_head)) {
CDEBUG(D_HA, "there is no record related to ctxt %p\n", ctxt);
RETURN(0);
lgr->lgr_hdr.lrh_len = lgr->lgr_tail.lrt_len = sizeof(*lgr);
lgr->lgr_hdr.lrh_type = LLOG_GEN_REC;
- handle = fsfilt_start_log(ctxt->loc_exp->exp_obd, inode,
+ handle = fsfilt_start_log(ctxt->loc_exp->exp_obd, inode,
FSFILT_OP_CANCEL_UNLINK, NULL, 1);
-
+
if (IS_ERR(handle)) {
CERROR("fsfilt_start failed: %ld\n", PTR_ERR(handle));
OBD_FREE(lgr, sizeof(*lgr));
lgr->lgr_gen = ctxt->loc_gen;
rc = llog_add(ctxt, &lgr->lgr_hdr, NULL, NULL, 1);
OBD_FREE(lgr, sizeof(*lgr));
-
+
rc1 = fsfilt_commit(ctxt->loc_exp->exp_obd, inode, handle, 0);
if (rc != 1 || rc1 != 0) {
rc = (rc != 1) ? rc : rc1;
sizeof(*req_body));
ctxt = llog_get_context(obd, req_body->lgdc_ctxt_idx);
- rc = llog_connect(ctxt, 1, &req_body->lgdc_logid,
+ rc = llog_connect(ctxt, &req_body->lgdc_logid,
&req_body->lgdc_gen, NULL);
llog_ctxt_put(ctxt);
LASSERT(ctxt);
mutex_down(&ctxt->loc_sem);
if (ctxt->loc_imp != imp) {
- CWARN("changing the import %p - %p\n", ctxt->loc_imp, imp);
- if (ctxt->loc_imp)
+ if (ctxt->loc_imp) {
+ CWARN("changing the import %p - %p\n",
+ ctxt->loc_imp, imp);
class_import_put(ctxt->loc_imp);
+ }
ctxt->loc_imp = class_import_get(imp);
}
mutex_up(&ctxt->loc_sem);
#else /* !__KERNEL__ */
-int llog_origin_connect(struct llog_ctxt *ctxt, int count,
+int llog_origin_connect(struct llog_ctxt *ctxt,
struct llog_logid *logid, struct llog_gen *gen,
struct obd_uuid *uuid)
{
git://git.whamcloud.com / fs / lustre-release.git / blobdiff