1 /* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
2 * vim:expandtab:shiftwidth=8:tabstop=8:
6 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License version 2 only,
10 * as published by the Free Software Foundation.
12 * This program is distributed in the hope that it will be useful, but
13 * WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * General Public License version 2 for more details (a copy is included
16 * in the LICENSE file that accompanied this code).
18 * You should have received a copy of the GNU General Public License
19 * version 2 along with this program; If not, see
20 * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
22 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
23 * CA 95054 USA or visit www.sun.com if you need additional information or
29 * Copyright 2009 Sun Microsystems, Inc. All rights reserved
30 * Use is subject to license terms.
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. This simplifies mapping of objid to
40 * MDS inode numbers, which can be converted to pathnames via
41 * debugfs -c -R "ncheck {list of inode numbers}"
43 * Author: Andreas Dilger <adilger@sun.com>
49 #include <sys/types.h>
50 #include <sys/xattr.h>
51 #include <lustre/lustre_user.h>
52 #include <liblustre.h>
54 int main(int argc, char *argv[])
60 prog = basename(argv[0]);
62 for (i = 1; i < argc; i++) {
63 char buf[1024]; /* allow xattr that may be larger */
64 struct filter_fid *ff = (void *)buf;
67 size = getxattr(argv[i], "trusted.fid", buf, sizeof(buf));
69 fprintf(stderr, "%s: error reading fid: %s\n",
70 argv[i], strerror(errno));
73 } else if (size > sizeof(*ff)) {
74 fprintf(stderr, "%s: warning: fid larger than expected "
75 "(%d bytes), recompile?\n",
78 printf("%s: objid="LPU64" group="LPU64" inode="LPU64" generation=%u stripe=%u\n",
79 argv[i], ff->ff_objid, ff->ff_group,
80 ff->ff_fid.id, ff->ff_fid.generation,