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 #include <sys/cdefs.h> 33 __KERNEL_RCSID(0, "$NetBSD: v7fs_superblock_util.c,v 1.1 2011/06/27 11:52:25 uch Exp $"); 34 #if defined _KERNEL_OPT 35 #include "opt_v7fs.h" 36 #endif 37 38 #ifdef _KERNEL 39 #include <sys/systm.h> 40 #include <sys/param.h> /* errno */ 41 #else 42 #include <stdio.h> 43 #include <time.h> 44 #endif 45 46 #include "v7fs.h" 47 #include "v7fs_impl.h" 48 #include "v7fs_superblock.h" 49 #include "v7fs_inode.h" 50 51 #ifdef V7FS_SUPERBLOCK_DEBUG 52 #define DPRINTF(fmt, args...) printf("%s: " fmt, __func__, ##args) 53 #define DPRINTF_(fmt, args...) printf(fmt, ##args) 54 #else 55 #define DPRINTF(fmt, args...) ((void)0) 56 #define DPRINTF_(fmt, args...) ((void)0) 57 #endif 58 59 void 60 v7fs_superblock_status(struct v7fs_self *fs) 61 { 62 struct v7fs_superblock *sb = &fs->superblock; 63 struct v7fs_stat *stat = &fs->stat; 64 65 stat->total_blocks = sb->volume_size - sb->datablock_start_sector; 66 stat->total_inode = V7FS_MAX_INODE(sb); 67 stat->free_inode = sb->total_freeinode; 68 stat->free_blocks = sb->total_freeblock; 69 stat->total_files = stat->total_inode - sb->total_freeinode - 1; 70 71 DPRINTF("block %d/%d, inode %d/%d\n", stat->free_blocks, 72 stat->total_blocks, stat->free_inode, stat->total_inode); 73 } 74 75 void 76 v7fs_superblock_dump(const struct v7fs_self *fs) 77 { 78 const struct v7fs_superblock *sb = &fs->superblock; 79 80 #define print(x) printf("%s: %d\n", #x, sb->x) 81 print(datablock_start_sector); 82 print(volume_size); 83 print(nfreeblock); 84 print(nfreeinode); 85 print(update_time); 86 print(lock_freeblock); 87 print(lock_freeinode); 88 print(modified); 89 print(readonly); 90 #if !defined _KERNEL 91 time_t t = sb->update_time; 92 printf("%s", ctime(&t)); 93 #endif 94 print(total_freeblock); 95 print(total_freeinode); 96 #undef print 97 } 98