101 lines
3.2 KiB
C
101 lines
3.2 KiB
C
/* $NetBSD: v7fs_superblock_util.c,v 1.2 2011/07/18 21:51:49 apb Exp $ */
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/*-
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* Copyright (c) 2011 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by UCHIYAMA Yasushi.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#if HAVE_NBTOOL_CONFIG_H
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#include "nbtool_config.h"
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#endif
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: v7fs_superblock_util.c,v 1.2 2011/07/18 21:51:49 apb Exp $");
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#if defined _KERNEL_OPT
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#include "opt_v7fs.h"
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#endif
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#ifdef _KERNEL
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#include <sys/systm.h>
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#include <sys/param.h> /* errno */
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#else
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#include <stdio.h>
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#include <time.h>
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#endif
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#include "v7fs.h"
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#include "v7fs_impl.h"
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#include "v7fs_superblock.h"
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#include "v7fs_inode.h"
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#ifdef V7FS_SUPERBLOCK_DEBUG
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#define DPRINTF(fmt, args...) printf("%s: " fmt, __func__, ##args)
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#define DPRINTF_(fmt, args...) printf(fmt, ##args)
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#else
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#define DPRINTF(fmt, args...) ((void)0)
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#define DPRINTF_(fmt, args...) ((void)0)
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#endif
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void
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v7fs_superblock_status(struct v7fs_self *fs)
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{
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struct v7fs_superblock *sb = &fs->superblock;
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struct v7fs_stat *stat = &fs->stat;
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stat->total_blocks = sb->volume_size - sb->datablock_start_sector;
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stat->total_inode = V7FS_MAX_INODE(sb);
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stat->free_inode = sb->total_freeinode;
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stat->free_blocks = sb->total_freeblock;
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stat->total_files = stat->total_inode - sb->total_freeinode - 1;
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DPRINTF("block %d/%d, inode %d/%d\n", stat->free_blocks,
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stat->total_blocks, stat->free_inode, stat->total_inode);
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}
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void
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v7fs_superblock_dump(const struct v7fs_self *fs)
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{
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const struct v7fs_superblock *sb = &fs->superblock;
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#define print(x) printf("%s: %d\n", #x, sb->x)
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print(datablock_start_sector);
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print(volume_size);
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print(nfreeblock);
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print(nfreeinode);
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print(update_time);
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print(lock_freeblock);
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print(lock_freeinode);
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print(modified);
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print(readonly);
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#if !defined _KERNEL
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time_t t = sb->update_time;
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printf("%s", ctime(&t));
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#endif
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print(total_freeblock);
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print(total_freeinode);
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#undef print
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}
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