1/*	$NetBSD: v7fs_superblock_util.c,v 1.1 2011/06/27 11:52:25 uch Exp $	*/
2
3/*-
4 * Copyright (c) 2011 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by UCHIYAMA Yasushi.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 *    notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 *    notice, this list of conditions and the following disclaimer in the
17 *    documentation and/or other materials provided with the distribution.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 * POSSIBILITY OF SUCH DAMAGE.
30 */
31
32#if HAVE_NBTOOL_CONFIG_H
33#include "nbtool_config.h"
34#endif
35
36#include <sys/cdefs.h>
37__KERNEL_RCSID(0, "$NetBSD: v7fs_superblock_util.c,v 1.1 2011/06/27 11:52:25 uch Exp $");
38#if defined _KERNEL_OPT
39#include "opt_v7fs.h"
40#endif
41
42#ifdef _KERNEL
43#include <sys/systm.h>
44#include <sys/param.h>	/* errno */
45#else
46#include <stdio.h>
47#include <time.h>
48#endif
49
50#include "v7fs.h"
51#include "v7fs_impl.h"
52#include "v7fs_superblock.h"
53#include "v7fs_inode.h"
54
55#ifdef V7FS_SUPERBLOCK_DEBUG
56#define	DPRINTF(fmt, args...)	printf("%s: " fmt, __func__, ##args)
57#define	DPRINTF_(fmt, args...)	printf(fmt, ##args)
58#else
59#define	DPRINTF(fmt, args...)	((void)0)
60#define	DPRINTF_(fmt, args...)	((void)0)
61#endif
62
63void
64v7fs_superblock_status(struct v7fs_self *fs)
65{
66	struct v7fs_superblock *sb = &fs->superblock;
67	struct v7fs_stat *stat = &fs->stat;
68
69	stat->total_blocks = sb->volume_size - sb->datablock_start_sector;
70	stat->total_inode = V7FS_MAX_INODE(sb);
71	stat->free_inode = sb->total_freeinode;
72	stat->free_blocks = sb->total_freeblock;
73	stat->total_files = stat->total_inode - sb->total_freeinode - 1;
74
75	DPRINTF("block %d/%d, inode %d/%d\n", stat->free_blocks,
76	    stat->total_blocks, stat->free_inode, stat->total_inode);
77}
78
79void
80v7fs_superblock_dump(const struct v7fs_self *fs)
81{
82	const struct v7fs_superblock *sb = &fs->superblock;
83
84#define	print(x)	printf("%s: %d\n", #x, sb->x)
85	print(datablock_start_sector);
86	print(volume_size);
87	print(nfreeblock);
88	print(nfreeinode);
89	print(update_time);
90	print(lock_freeblock);
91	print(lock_freeinode);
92	print(modified);
93	print(readonly);
94#if !defined _KERNEL
95	time_t t = sb->update_time;
96	printf("%s", ctime(&t));
97#endif
98	print(total_freeblock);
99	print(total_freeinode);
100#undef print
101}
102