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      1 /*	$NetBSD: v7fs_superblock_util.c,v 1.2 2011/07/18 21:51:49 apb 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 1.2 2011/07/18 21:51:49 apb 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 
     63 void
     64 v7fs_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 
     79 void
     80 v7fs_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