4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 only,
8 * as published by the Free Software Foundation.
10 * This program is distributed in the hope that it will be useful, but
11 * WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * General Public License version 2 for more details (a copy is included
14 * in the LICENSE file that accompanied this code).
16 * You should have received a copy of the GNU General Public License
17 * version 2 along with this program; If not, see
18 * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
20 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
21 * CA 95054 USA or visit www.sun.com if you need additional information or
27 * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
28 * Use is subject to license terms.
30 * Copyright (c) 2011, 2013, Intel Corporation.
33 * This file is part of Lustre, http://www.lustre.org/
34 * Lustre is a trademark of Sun Microsystems, Inc.
36 * lustre/include/lustre_mds.h
38 * MDS data structures.
39 * See also lustre_idl.h for wire formats of requests.
50 #include <lustre_handles.h>
51 #include <libcfs/libcfs.h>
52 #include <lustre/lustre_idl.h>
53 #include <lustre_lib.h>
54 #include <lustre_dlm.h>
55 #include <lustre_export.h>
57 struct mds_group_info {
58 struct obd_uuid *uuid;
62 struct mds_capa_info {
63 struct obd_uuid *uuid;
64 struct lustre_capa_key *capa;
67 #define MDD_OBD_NAME "mdd_obd"
68 #define MDD_OBD_UUID "mdd_obd_uuid"
70 static inline int md_should_create(__u64 flags)
72 return !(flags & MDS_OPEN_DELAY_CREATE) && (flags & FMODE_WRITE) &&
73 !(flags & MDS_OPEN_LEASE);
76 /* these are local flags, used only on the client, private */
77 #define M_CHECK_STALE 0200000000