Fix buffer overflow bug involving inet_ntoa().
[dragonfly.git] / sys / kern / vfs_journal.c
CommitLineData
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1/*
2 * Copyright (c) 2004 The DragonFly Project. All rights reserved.
3 *
4 * This code is derived from software contributed to The DragonFly Project
5 * by Matthew Dillon <dillon@backplane.com>
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 *
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in
15 * the documentation and/or other materials provided with the
16 * distribution.
17 * 3. Neither the name of The DragonFly Project nor the names of its
18 * contributors may be used to endorse or promote products derived
19 * from this software without specific, prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
22 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
23 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
24 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
25 * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
26 * INCIDENTAL, SPECIAL, EXEMPLARY OR CONSEQUENTIAL DAMAGES (INCLUDING,
27 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
28 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
29 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
30 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
31 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32 * SUCH DAMAGE.
33 *
949ecb9b 34 * $DragonFly: src/sys/kern/vfs_journal.c,v 1.2 2004/12/24 05:00:17 dillon Exp $
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35 */
36
37#include <sys/param.h>
38#include <sys/systm.h>
39#include <sys/buf.h>
40#include <sys/conf.h>
41#include <sys/kernel.h>
42#include <sys/lock.h>
43#include <sys/malloc.h>
44#include <sys/mount.h>
45#include <sys/unistd.h>
46#include <sys/vnode.h>
47#include <sys/poll.h>
48
49#include <machine/limits.h>
50
51#include <vm/vm.h>
52#include <vm/vm_object.h>
53#include <vm/vm_page.h>
54#include <vm/vm_pager.h>
55#include <vm/vnode_pager.h>
56
57static struct vnodeopv_entry_desc journal_vnodeop_entries[] = {
58 { &vop_default_desc, vop_journal_operate_ap },
949ecb9b 59/* { &vop_mountctl_desc, NULL },*/
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60 { NULL, NULL }
61};
62
63int
64journal_attach(struct mount *mp)
65{
66 vfs_add_vnodeops(mp, &mp->mnt_vn_journal_ops, journal_vnodeop_entries);
67 return(0);
68}
69
70void
71journal_detach(struct mount *mp)
72{
73 if (mp->mnt_vn_journal_ops)
74 vfs_rm_vnodeops(&mp->mnt_vn_journal_ops);
75}
76