hammer2 - complain if the hammer2 kld module isn't loaded
[dragonfly.git] / sbin / mount_hammer2 / mount_hammer2.c
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1/*
2 * Copyright (c) 2011-2012 The DragonFly Project. All rights reserved.
3 *
4 * This code is derived from software contributed to The DragonFly Project
5 * by Matthew Dillon <dillon@dragonflybsd.org>
6 * by Venkatesh Srinivas <vsrinivas@dragonflybsd.org>
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 *
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in
16 * the documentation and/or other materials provided with the
17 * distribution.
18 * 3. Neither the name of The DragonFly Project nor the names of its
19 * contributors may be used to endorse or promote products derived
20 * from this software without specific, prior written permission.
21 *
22 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
23 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
24 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
25 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
26 * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
27 * INCIDENTAL, SPECIAL, EXEMPLARY OR CONSEQUENTIAL DAMAGES (INCLUDING,
28 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
29 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
30 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
31 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
32 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33 * SUCH DAMAGE.
34 */
35#include <sys/types.h>
36#include <sys/mount.h>
37#include <vfs/hammer2/hammer2_mount.h>
38
39#include <stdio.h>
40#include <stdlib.h>
41#include <strings.h>
42
43/*
44 * Usage: mount_hammer2 [volume] [mtpt]
45 */
46int
47main(int argc, char *argv[])
48{
49 struct hammer2_mount_info info;
50 struct vfsconf vfc;
51 char *mountpt;
52 int error;
53 int mount_flags;
54
55 bzero(&info, sizeof(info));
56 mount_flags = 0;
57
58 if (argc < 3)
59 exit(1);
60
61 error = getvfsbyname("hammer2", &vfc);
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62 if (error) {
63 fprintf(stderr, "hammer2 vfs not loaded\n");
64 exit(1);
65 }
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66
67 info.volume = argv[1];
68 info.hflags = 0;
69 mountpt = argv[2];
70
71 error = mount(vfc.vfc_name, mountpt, mount_flags, &info);
6046b14b 72 if (error)
703720e4 73 perror("mount: ");
703720e4 74}