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 2008 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.
38 #include <sys/types.h>
47 void usage(char *prog)
49 printf("usage: %s filenamefmt count\n", prog);
50 printf(" %s filenamefmt start count\n", prog);
53 int main(int argc, char ** argv)
55 int i, rc = 0, do_rmdir = 0;
56 char format[4096], *fmt;
59 long begin = 0, count;
61 if (argc < 3 || argc > 5) {
66 if (strcmp(argv[1], "-d") == 0) {
72 if (strlen(argv[1]) > 4080) {
73 printf("name too long\n");
77 start = last = time(0);
80 count = strtol(argv[2], NULL, 0);
82 printf("count must be at least one\n");
86 begin = strtol(argv[2], NULL, 0);
87 count = strtol(argv[3], NULL, 0);
90 if (strchr(argv[1], '%')) {
93 sprintf(format, "%s%%d", argv[1]);
96 for (i = 0; i < count; i++, begin++) {
97 sprintf(filename, fmt, begin);
101 rc = unlink(filename);
103 printf("%s(%s) error: %s\n",
104 do_rmdir ? "rmdir" : "unlink",
105 filename, strerror(errno));
109 if ((i % 10000) == 0) {
110 printf(" - unlinked %d (time %ld ; total %ld ; last "
111 "%ld)\n", i, time(0), time(0) - start,
116 printf("total: %d unlinks in %ld seconds: %f unlinks/second\n", i,
117 time(0) - start, ((float)i / (time(0) - start)));