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, 2012, Intel Corporation.
33 * This file is part of Lustre, http://www.lustre.org/
34 * Lustre is a trademark of Sun Microsystems, Inc.
36 * lustre/mdd/mdd_lov.c
38 * Lustre Metadata Server (mds) handling of striped file data
40 * Author: Peter Braam <braam@clusterfs.com>
41 * Author: wangdi <wangdi@clusterfs.com>
44 #define DEBUG_SUBSYSTEM S_MDS
46 #include <linux/module.h>
48 #include <obd_class.h>
49 #include <lustre_ver.h>
50 #include <obd_support.h>
52 #include <lprocfs_status.h>
53 #include <lustre_mds.h>
54 #include <lustre_fid.h>
55 #include <lustre/lustre_idl.h>
57 #include "mdd_internal.h"
59 int mdd_get_md(const struct lu_env *env, struct mdd_object *obj,
60 void *md, int *md_size, const char *name)
65 rc = mdo_xattr_get(env, obj, mdd_buf_get(env, md, *md_size), name,
66 mdd_object_capa(env, obj));
68 * XXX: Handling of -ENODATA, the right way is to have ->do_md_get()
69 * exported by dt layer.
71 if (rc == 0 || rc == -ENODATA) {
75 CDEBUG(D_OTHER, "Error %d reading eadata - %d\n",
78 /* XXX: Convert lov EA but fixed after verification test. */