wapbl.c revision 1.3
1 /* $NetBSD: wapbl.c,v 1.3 2008/11/10 20:12:13 joerg Exp $ */ 2 3 /*- 4 * Copyright (c) 2005,2008 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Wasabi Systems, Inc. 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 /* This file contains fsck support for wapbl 33 */ 34 #define WAPBL_INTERNAL 35 36 #include <sys/cdefs.h> 37 __KERNEL_RCSID(0, "$NetBSD: wapbl.c,v 1.3 2008/11/10 20:12:13 joerg Exp $"); 38 39 #include <sys/stat.h> 40 #include <sys/time.h> 41 #include <sys/uio.h> 42 43 #include <assert.h> 44 #include <errno.h> 45 #include <inttypes.h> 46 #include <stdio.h> 47 #include <stdbool.h> 48 #include <stdlib.h> 49 #include <string.h> 50 #include <unistd.h> 51 52 #include <ufs/ufs/dinode.h> 53 #include <ufs/ufs/dir.h> 54 #include <ufs/ufs/ufs_bswap.h> 55 #include <ufs/ufs/ufs_wapbl.h> 56 #include <ufs/ffs/fs.h> 57 #include <ufs/ffs/ffs_extern.h> 58 59 #include <sys/wapbl.h> 60 61 #include "fsck.h" 62 #include "fsutil.h" 63 #include "extern.h" 64 #include "exitvalues.h" 65 66 int 67 wapbl_write(void *data, size_t len, struct vnode *devvp, daddr_t pbn) 68 { 69 70 WAPBL_PRINTF(WAPBL_PRINT_IO, 71 ("wapbl_write: %zd bytes at block %"PRId64" on fd 0x%x\n", 72 len, pbn, fswritefd)); 73 bwrite(fswritefd, data, pbn, len); 74 return 0; 75 } 76 77 int 78 wapbl_read(void *data, size_t len, struct vnode *devvp, daddr_t pbn) 79 { 80 81 WAPBL_PRINTF(WAPBL_PRINT_IO, 82 ("wapbl_read: %zd bytes at block %"PRId64" on fd 0x%x\n", 83 len, pbn, fsreadfd)); 84 bread(fsreadfd, data, pbn, len); 85 return 0; 86 } 87 88 struct wapbl_replay *wapbl_replay; 89 90 void 91 replay_wapbl(void) 92 { 93 uint64_t addr, count, blksize; 94 int error; 95 96 if (debug) 97 wapbl_debug_print = WAPBL_PRINT_ERROR | WAPBL_PRINT_REPLAY; 98 if (debug > 1) 99 wapbl_debug_print |= WAPBL_PRINT_IO; 100 101 if (sblock->fs_journal_version != UFS_WAPBL_VERSION) { 102 pfatal("INVALID JOURNAL VERSION %d", 103 sblock->fs_journal_version); 104 if (reply("CONTINUE") == 0) { 105 exit(FSCK_EXIT_CHECK_FAILED); 106 } 107 return; 108 } 109 110 switch (sblock->fs_journal_location) { 111 case UFS_WAPBL_JOURNALLOC_NONE: 112 pfatal("INVALID JOURNAL LOCATION 'NONE'"); 113 if (reply("CONTINUE") == 0) { 114 exit(FSCK_EXIT_CHECK_FAILED); 115 } 116 return; 117 118 case UFS_WAPBL_JOURNALLOC_END_PARTITION: 119 addr = sblock->fs_journallocs[UFS_WAPBL_EPART_ADDR]; 120 count = sblock->fs_journallocs[UFS_WAPBL_EPART_COUNT]; 121 blksize = sblock->fs_journallocs[UFS_WAPBL_EPART_BLKSZ]; 122 break; 123 124 case UFS_WAPBL_JOURNALLOC_IN_FILESYSTEM: 125 addr = sblock->fs_journallocs[UFS_WAPBL_INFS_ADDR]; 126 count = sblock->fs_journallocs[UFS_WAPBL_INFS_COUNT]; 127 blksize = sblock->fs_journallocs[UFS_WAPBL_INFS_BLKSZ]; 128 break; 129 130 default: 131 pfatal("INVALID JOURNAL LOCATION %d", 132 sblock->fs_journal_location); 133 if (reply("CONTINUE") == 0) { 134 exit(FSCK_EXIT_CHECK_FAILED); 135 } 136 return; 137 } 138 139 error = wapbl_replay_start(&wapbl_replay, 0, addr, count, blksize); 140 if (error) { 141 pfatal("UNABLE TO READ JOURNAL FOR REPLAY"); 142 if (reply("CONTINUE") == 0) { 143 exit(FSCK_EXIT_CHECK_FAILED); 144 } 145 return; 146 } 147 if (!nflag) { 148 error = wapbl_replay_write(wapbl_replay, 0); 149 if (error) { 150 pfatal("UNABLE TO REPLAY JOURNAL BLOCKS"); 151 if (reply("CONTINUE") == 0) { 152 exit(FSCK_EXIT_CHECK_FAILED); 153 } 154 } else { 155 wapbl_replay_stop(wapbl_replay); 156 } 157 } 158 { 159 int i; 160 for (i = 0; i < wapbl_replay->wr_inodescnt; i++) { 161 WAPBL_PRINTF(WAPBL_PRINT_REPLAY,("wapbl_replay: " 162 "not cleaning inode %"PRIu32" mode %"PRIo32"\n", 163 wapbl_replay->wr_inodes[i].wr_inumber, 164 wapbl_replay->wr_inodes[i].wr_imode)); 165 } 166 } 167 } 168 169 void 170 cleanup_wapbl(void) 171 { 172 173 if (wapbl_replay) { 174 if (wapbl_replay_isopen(wapbl_replay)) 175 wapbl_replay_stop(wapbl_replay); 176 wapbl_replay_free(wapbl_replay); 177 wapbl_replay = 0; 178 } 179 } 180 181 int 182 read_wapbl(char *buf, long size, daddr_t blk) 183 { 184 185 if (!wapbl_replay || !wapbl_replay_isopen(wapbl_replay)) 186 return 0; 187 return wapbl_replay_read(wapbl_replay, buf, blk, size); 188 } 189 190 int 191 is_journal_inode(ino_t ino) 192 { 193 union dinode *dp; 194 195 dp = ginode(ino); 196 if ((iswap32(DIP(dp, flags)) & SF_LOG) != 0 && 197 sblock->fs_journal_version == UFS_WAPBL_VERSION && 198 sblock->fs_journal_location == UFS_WAPBL_JOURNALLOC_IN_FILESYSTEM && 199 sblock->fs_journallocs[UFS_WAPBL_INFS_INO] == ino) 200 return 1; 201 202 return 0; 203 } 204
Indexes created Tue Sep 30 11:09:46 GMT 2025