-/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
- * vim:expandtab:shiftwidth=8:tabstop=8:
+/*
+ * GPL HEADER START
*
- * Copyright (C) 2001-2004 Cluster File Systems, Inc.
- * Author: Andreas Dilger <adilger@clusterfs.com>
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
- * This file is part of the Lustre file system, http://www.lustre.org
- * Lustre is a trademark of Cluster File Systems, Inc.
+ * 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.
*
- * 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 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).
*
- * 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.
+ * 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
*
- * 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.
+ * 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.
*
- * remote api for llog - client side
+ * GPL HEADER END
+ */
+/*
+ * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Use is subject to license terms.
*
+ * Copyright (c) 2012, Whamcloud, Inc.
+ */
+/*
+ * This file is part of Lustre, http://www.lustre.org/
+ * Lustre is a trademark of Sun Microsystems, Inc.
+ *
+ * lustre/ptlrpc/llog_client.c
+ *
+ * remote api for llog - client side
+ *
+ * Author: Andreas Dilger <adilger@clusterfs.com>
*/
#define DEBUG_SUBSYSTEM S_LOG
-#ifndef EXPORT_SYMTAB
-#define EXPORT_SYMTAB
-#endif
-
#ifdef __KERNEL__
#include <libcfs/libcfs.h>
#else
#include <lustre_net.h>
#include <libcfs/list.h>
-#define LLOG_CLIENT_ENTRY(ctxt, imp) do { \
- mutex_down(&ctxt->loc_sem); \
+#define LLOG_CLIENT_ENTRY(ctxt, imp) do { \
+ cfs_mutex_lock(&ctxt->loc_mutex); \
if (ctxt->loc_imp) { \
imp = class_import_get(ctxt->loc_imp); \
} else { \
"but I'll try again next time. Not fatal.\n", \
ctxt->loc_idx); \
imp = NULL; \
- mutex_up(&ctxt->loc_sem); \
+ cfs_mutex_unlock(&ctxt->loc_mutex); \
return (-EINVAL); \
} \
- mutex_up(&ctxt->loc_sem); \
+ cfs_mutex_unlock(&ctxt->loc_mutex); \
} while(0)
-#define LLOG_CLIENT_EXIT(ctxt, imp) do { \
- mutex_down(&ctxt->loc_sem); \
- if (ctxt->loc_imp != imp) \
- CWARN("loc_imp has changed from %p to %p", \
- ctxt->loc_imp, imp); \
- class_import_put(imp); \
- mutex_up(&ctxt->loc_sem); \
+#define LLOG_CLIENT_EXIT(ctxt, imp) do { \
+ cfs_mutex_lock(&ctxt->loc_mutex); \
+ if (ctxt->loc_imp != imp) \
+ CWARN("loc_imp has changed from %p to %p\n", \
+ ctxt->loc_imp, imp); \
+ class_import_put(imp); \
+ cfs_mutex_unlock(&ctxt->loc_mutex); \
} while(0)
/* This is a callback from the llog_* functions.
LLOG_ORIGIN_HANDLE_CREATE);
if (rc) {
ptlrpc_request_free(req);
+ req = NULL;
GOTO(err_free, rc);
}
ptlrpc_request_set_replen(req);
ptlrpc_req_finished(req);
return rc;
err_free:
+ *res = NULL;
llog_free_handle(handle);
goto out;
}