pass0.c revision 1.16
1 /* $NetBSD: pass0.c,v 1.16 2003/08/07 10:04:23 agc Exp $ */ 2 3 /*- 4 * Copyright (c) 1999, 2000, 2001, 2002, 2003 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Konrad E. Schroder <perseant (at) hhhh.org>. 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 * 3. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by the NetBSD 21 * Foundation, Inc. and its contributors. 22 * 4. Neither the name of The NetBSD Foundation nor the names of its 23 * contributors may be used to endorse or promote products derived 24 * from this software without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 * POSSIBILITY OF SUCH DAMAGE. 37 */ 38 /*- 39 * Copyright (c) 1980, 1986, 1993 40 * The Regents of the University of California. All rights reserved. 41 * 42 * Redistribution and use in source and binary forms, with or without 43 * modification, are permitted provided that the following conditions 44 * are met: 45 * 1. Redistributions of source code must retain the above copyright 46 * notice, this list of conditions and the following disclaimer. 47 * 2. Redistributions in binary form must reproduce the above copyright 48 * notice, this list of conditions and the following disclaimer in the 49 * documentation and/or other materials provided with the distribution. 50 * 3. Neither the name of the University nor the names of its contributors 51 * may be used to endorse or promote products derived from this software 52 * without specific prior written permission. 53 * 54 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 55 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 56 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 57 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 58 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 59 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 60 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 61 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 62 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 63 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 64 * SUCH DAMAGE. 65 */ 66 67 #include <sys/types.h> 68 #include <sys/param.h> 69 #include <sys/time.h> 70 #include <sys/buf.h> 71 #include <sys/mount.h> 72 73 #include <ufs/ufs/inode.h> 74 #include <ufs/ufs/dir.h> 75 #define vnode uvnode 76 #include <ufs/lfs/lfs.h> 77 #undef vnode 78 79 #include <stdio.h> 80 #include <stdlib.h> 81 #include <string.h> 82 83 #include "bufcache.h" 84 #include "vnode.h" 85 #include "lfs.h" 86 87 #include "fsck.h" 88 #include "extern.h" 89 #include "fsutil.h" 90 91 extern int fake_cleanseg; 92 93 /* 94 * Pass 0. Check the LFS partial segments for valid checksums, correcting 95 * if necessary. Also check for valid offsets for inode and finfo blocks. 96 */ 97 /* 98 * XXX more could be done here---consistency between inode-held blocks and 99 * finfo blocks, for one thing. 100 */ 101 102 #define dbshift (fs->lfs_bshift - fs->lfs_blktodb) 103 104 void 105 pass0() 106 { 107 daddr_t daddr; 108 CLEANERINFO *cip; 109 IFILE *ifp; 110 struct ubuf *bp; 111 ino_t ino, plastino, nextino, *visited; 112 int writeit = 0; 113 114 /* 115 * Check the inode free list for inuse inodes, and cycles. 116 * Make sure that all free inodes are in fact on the list. 117 */ 118 visited = (ino_t *) malloc(maxino * sizeof(ino_t)); 119 memset(visited, 0, maxino * sizeof(ino_t)); 120 121 plastino = 0; 122 ino = fs->lfs_freehd; 123 while (ino) { 124 if (ino >= maxino) { 125 printf("! Ino %d out of range (last was %d)\n", ino, 126 plastino); 127 break; 128 } 129 if (visited[ino]) { 130 pwarn("! Ino %d already found on the free list!\n", 131 ino); 132 if (preen || reply("FIX") == 1) { 133 /* plastino can't be zero */ 134 LFS_IENTRY(ifp, fs, plastino, bp); 135 ifp->if_nextfree = 0; 136 VOP_BWRITE(bp); 137 } 138 break; 139 } 140 ++visited[ino]; 141 LFS_IENTRY(ifp, fs, ino, bp); 142 nextino = ifp->if_nextfree; 143 daddr = ifp->if_daddr; 144 brelse(bp); 145 if (daddr) { 146 pwarn("! Ino %d with daddr 0x%llx is on the free list!\n", 147 ino, (long long) daddr); 148 if (preen || reply("FIX") == 1) { 149 if (plastino == 0) { 150 fs->lfs_freehd = nextino; 151 sbdirty(); 152 } else { 153 LFS_IENTRY(ifp, fs, plastino, bp); 154 ifp->if_nextfree = nextino; 155 VOP_BWRITE(bp); 156 } 157 ino = nextino; 158 continue; 159 } 160 } 161 plastino = ino; 162 ino = nextino; 163 } 164 165 166 /* 167 * Make sure all free inodes were found on the list 168 */ 169 for (ino = ROOTINO + 1; ino < maxino; ++ino) { 170 if (visited[ino]) 171 continue; 172 173 LFS_IENTRY(ifp, fs, ino, bp); 174 if (ifp->if_daddr) { 175 brelse(bp); 176 continue; 177 } 178 pwarn("! Ino %d free, but not on the free list\n", ino); 179 if (preen || reply("FIX") == 1) { 180 ifp->if_nextfree = fs->lfs_freehd; 181 fs->lfs_freehd = ino; 182 sbdirty(); 183 VOP_BWRITE(bp); 184 } else 185 brelse(bp); 186 } 187 188 LFS_CLEANERINFO(cip, fs, bp); 189 if (cip->free_head != fs->lfs_freehd) { 190 pwarn("! Free list head should be %d (was %d)\n", 191 fs->lfs_freehd, cip->free_head); 192 if (preen || reply("FIX")) { 193 cip->free_head = fs->lfs_freehd; 194 writeit = 1; 195 } 196 } 197 if (cip->free_tail != plastino) { 198 pwarn("! Free list tail should be %d (was %d)\n", plastino, 199 cip->free_tail); 200 if (preen || reply("FIX")) { 201 cip->free_tail = plastino; 202 writeit = 1; 203 } 204 } 205 LFS_SYNC_CLEANERINFO(cip, fs, bp, writeit); 206 } 207
Indexes created Thu Sep 25 16:09:42 GMT 2025