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) 2010, Oracle and/or its affiliates. All rights reserved.
28 * Use is subject to license terms.
30 * Copyright (c) 2011, Intel Corporation.
33 * This file is part of Lustre, http://www.lustre.org/
34 * Lustre is a trademark of Sun Microsystems, Inc.
36 * lustre/utils/ll_decode_filter_fid.c
38 * Tool for printing the OST filter_fid structure on the objects
39 * in human readable form.
41 * Author: Andreas Dilger <adilger@sun.com>
47 #include <sys/types.h>
48 #include <sys/xattr.h>
49 #include <liblustre.h>
50 #include <lustre/lustre_user.h>
52 int main(int argc, char *argv[])
57 for (i = 1; i < argc; i++) {
58 char buf[1024]; /* allow xattr that may be larger */
59 struct filter_fid *ff = (void *)buf;
62 size = getxattr(argv[i], "trusted.fid", buf,
63 sizeof(struct filter_fid_old));
65 fprintf(stderr, "%s: error reading fid: %s\n",
66 argv[i], strerror(errno));
71 if (size > sizeof(struct filter_fid_old)) {
72 fprintf(stderr, "%s: warning: fid larger than expected"
73 " (%d bytes), recompile?\n", argv[i], size);
74 } else if (size > sizeof(*ff)) {
75 struct filter_fid_old *ffo = (void *)buf;
78 printf("%s: objid="LPU64" seq="LPU64" parent="DFID
79 " stripe=%u\n", argv[i],
80 le64_to_cpu(ffo->ff_objid),
81 le64_to_cpu(ffo->ff_seq),
82 le64_to_cpu(ffo->ff_parent.f_seq),
83 le32_to_cpu(ffo->ff_parent.f_oid), 0 /* ver */,
84 /* this is stripe_nr actually */
85 le32_to_cpu(ffo->ff_parent.f_ver));
87 printf("%s: parent="DFID" stripe=%u\n", argv[i],
88 le64_to_cpu(ff->ff_parent.f_seq),
89 le32_to_cpu(ff->ff_parent.f_oid), 0, /* ver */
90 /* this is stripe_nr actually */
91 le32_to_cpu(ff->ff_parent.f_ver));