1/* $NetBSD: genfs_vfsops.c,v 1.3 2009/11/30 10:59:20 pooka Exp $ */
2
3/*-
4 * Copyright (c) 2008, 2009 The NetBSD Foundation, Inc.
5 * All rights reserved.
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 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
17 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
18 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
19 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
20 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
26 * POSSIBILITY OF SUCH DAMAGE.
27 */
28
29#include <sys/cdefs.h>
30__KERNEL_RCSID(0, "$NetBSD: genfs_vfsops.c,v 1.3 2009/11/30 10:59:20 pooka Exp $");
31
32#include <sys/types.h>
33#include <sys/mount.h>
34#include <sys/statvfs.h>
35#include <sys/vnode.h>
36
37#include <miscfs/genfs/genfs.h>
38#include <miscfs/genfs/genfs_node.h>
39
40int
41genfs_statvfs(struct mount *mp, struct statvfs *sbp)
42{
43
44 sbp->f_bsize = DEV_BSIZE;
45 sbp->f_frsize = DEV_BSIZE;
46 sbp->f_iosize = DEV_BSIZE;
47 sbp->f_blocks = 2; /* 1k to keep df happy */
48 sbp->f_bfree = 0;
49 sbp->f_bavail = 0;
50 sbp->f_bresvd = 0;
51 sbp->f_files = 0;
52 sbp->f_ffree = 0;
53 sbp->f_favail = 0;
54 sbp->f_fresvd = 0;
55 copy_statvfs_info(sbp, mp);
56
57 return 0;
58}
59
60int
61genfs_renamelock_enter(struct mount *mp)
62{
63 mutex_enter(&mp->mnt_renamelock);
64 /* Preserve possible error return in case we become interruptible. */
65 return 0;
66}
67
68void
69genfs_renamelock_exit(struct mount *mp)
70{
71 mutex_exit(&mp->mnt_renamelock);
72}
73