+++ /dev/null
-/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
- * vim:expandtab:shiftwidth=8:tabstop=8:
- *
- * GPL HEADER START
- *
- * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 only,
- * as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License version 2 for more details (a copy is included
- * in the LICENSE file that accompanied this code).
- *
- * You should have received a copy of the GNU General Public License
- * version 2 along with this program; If not, see
- * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
- *
- * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
- * CA 95054 USA or visit www.sun.com if you need additional information or
- * have any questions.
- *
- * GPL HEADER END
- */
-/*
- * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
- * Use is subject to license terms.
- */
-/*
- * This file is part of Lustre, http://www.lustre.org/
- * Lustre is a trademark of Sun Microsystems, Inc.
- */
-
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <fcntl.h>
-#include <stdio.h>
-#include <unistd.h>
-#include <limits.h>
-#include <stdlib.h>
-#include <string.h>
-#include <libgen.h>
-#include <errno.h>
-
-const char *progname;
-const char usage_fmt[] = "Usage: %s <file> <mountpoint>\n";
-#define INAME_LEN (PATH_MAX + 1)
-
-#define CHECK_IT(exp, pstr) \
-if (!(exp)) { \
- fprintf(stderr, "%s: at %s:%d: ", progname, __FILE__, __LINE__); \
- perror((pstr)); \
- exit(1); \
-}
-
-#define CHECK_SNPRINTF(rc, len) \
- CHECK_IT((rc) > 0 && (rc) <= (len), "snprintf() failed")
-
-static char *get_iname(char *fname, const char *mtpt)
-{
- char *iname;
- int fd, rc;
- struct stat buf;
-
- iname = malloc(INAME_LEN);
- CHECK_IT(iname, "malloc() failed");
-
- fd = open(fname, O_CREAT, 0644);
- if (fd < 0 && errno != EISDIR) {
- fprintf(stderr, "%s:%d: open(%s) failed: %s\n", __FILE__,
- __LINE__, fname, strerror(errno));
- exit(1);
- }
-
- if (fd >= 0)
- close(fd);
-
- rc = stat(fname, &buf);
- if (rc != 0) {
- fprintf(stderr, "%s:%d: stat(%s) failed: %s\n", __FILE__,
- __LINE__, fname, strerror(errno));
- exit(1);
- }
-
- rc = snprintf(iname, INAME_LEN,
- "%s/__iopen__/%lu", mtpt, (unsigned long)buf.st_ino);
- CHECK_SNPRINTF(rc, INAME_LEN);
-
- return iname;
-}
-
-int main(int argc, char *argv[])
-{
- char *fname, *mtpt, *iname, *pname;
- struct stat buf;
- int rc;
- int i;
-
- pname = strdup(argv[0]);
- progname = basename(pname);
-
- if (argc != 3) {
- fprintf(stderr, usage_fmt, progname);
- return 1;
- }
-
- fname = argv[1];
- mtpt = argv[2];
-
- iname = get_iname(fname, mtpt);
- printf("%s:started...\n", argv[0]);
- for (i = 0; i < 10000; i++) {
- rc = stat(fname, &buf);
- if (rc != 0) {
- fprintf(stderr, "%s:%d: stat(%s) failed: %s\n",
- __FILE__, __LINE__, fname, strerror(errno));
- exit(1);
- }
-
- rc = stat(iname, &buf);
- if (rc != 0) {
- fprintf(stderr, "%s:%d: stat(%s) failed: %s\n",
- __FILE__, __LINE__, iname, strerror(errno));
- exit(1);
- }
- }
- printf("%s:finished...\n", argv[0]);
-
- return 0;
-}