wapbl.c revision 1.1.2.5
1 /* $NetBSD: wapbl.c,v 1.1.2.5 2008/07/28 12:40:06 simonb 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 35 #include <sys/cdefs.h> 36 __KERNEL_RCSID(0, "$NetBSD: wapbl.c,v 1.1.2.5 2008/07/28 12:40:06 simonb Exp $"); 37 38 #include <sys/stat.h> 39 #include <sys/time.h> 40 #include <sys/uio.h> 41 42 #include <assert.h> 43 #include <errno.h> 44 #include <inttypes.h> 45 #include <stdio.h> 46 #include <stdbool.h> 47 #include <stdlib.h> 48 #include <string.h> 49 #include <unistd.h> 50 51 #include <ufs/ufs/dinode.h> 52 #include <ufs/ufs/dir.h> 53 #include <ufs/ufs/ufs_bswap.h> 54 #include <ufs/ufs/ufs_wapbl.h> 55 #include <ufs/ffs/fs.h> 56 #include <ufs/ffs/ffs_extern.h> 57 58 #include <sys/wapbl.h> 59 60 #include "fsck.h" 61 #include "fsutil.h" 62 #include "extern.h" 63 #include "exitvalues.h" 64 65 int 66 wapbl_write(void *data, size_t len, struct vnode *devvp, daddr_t pbn) 67 { 68 69 WAPBL_PRINTF(WAPBL_PRINT_IO, 70 ("wapbl_write: %zd bytes at block %"PRId64" on fd 0x%x\n", 71 len, pbn, fswritefd)); 72 bwrite(fswritefd, data, pbn, len); 73 return 0; 74 } 75 76 int 77 wapbl_read(void *data, size_t len, struct vnode *devvp, daddr_t pbn) 78 { 79 80 WAPBL_PRINTF(WAPBL_PRINT_IO, 81 ("wapbl_read: %zd bytes at block %"PRId64" on fd 0x%x\n", 82 len, pbn, fsreadfd)); 83 bread(fsreadfd, data, pbn, len); 84 return 0; 85 } 86 87 struct wapbl_replay *wapbl_replay; 88 89 void 90 replay_wapbl(void) 91 { 92 uint64_t addr, count, blksize; 93 int error; 94 95 if (debug) 96 wapbl_debug_print = WAPBL_PRINT_ERROR | WAPBL_PRINT_REPLAY; 97 if (debug > 1) 98 wapbl_debug_print |= WAPBL_PRINT_IO; 99 100 if (sblock->fs_journal_version != UFS_WAPBL_VERSION) { 101 pfatal("INVALID JOURNAL VERSION %d", 102 sblock->fs_journal_version); 103 if (reply("CONTINUE") == 0) { 104 exit(FSCK_EXIT_CHECK_FAILED); 105 } 106 return; 107 } 108 109 switch (sblock->fs_journal_location) { 110 case UFS_WAPBL_JOURNALLOC_NONE: 111 pfatal("INVALID JOURNAL LOCATION 'NONE'"); 112 if (reply("CONTINUE") == 0) { 113 exit(FSCK_EXIT_CHECK_FAILED); 114 } 115 return; 116 117 case UFS_WAPBL_JOURNALLOC_END_PARTITION: 118 addr = sblock->fs_journallocs[UFS_WAPBL_EPART_ADDR]; 119 count = sblock->fs_journallocs[UFS_WAPBL_EPART_COUNT]; 120 blksize = sblock->fs_journallocs[UFS_WAPBL_EPART_BLKSZ]; 121 break; 122 123 case UFS_WAPBL_JOURNALLOC_IN_FILESYSTEM: 124 addr = sblock->fs_journallocs[UFS_WAPBL_INFS_ADDR]; 125 count = sblock->fs_journallocs[UFS_WAPBL_INFS_COUNT]; 126 blksize = sblock->fs_journallocs[UFS_WAPBL_INFS_BLKSZ]; 127 break; 128 129 default: 130 pfatal("INVALID JOURNAL LOCATION %d", 131 sblock->fs_journal_location); 132 if (reply("CONTINUE") == 0) { 133 exit(FSCK_EXIT_CHECK_FAILED); 134 } 135 return; 136 } 137 138 error = wapbl_replay_start(&wapbl_replay, 0, addr, count, blksize); 139 if (error) { 140 pfatal("UNABLE TO READ JOURNAL FOR REPLAY"); 141 if (reply("CONTINUE") == 0) { 142 exit(FSCK_EXIT_CHECK_FAILED); 143 } 144 return; 145 } 146 if (!nflag) { 147 error = wapbl_replay_write(wapbl_replay, 0); 148 if (error) { 149 pfatal("UNABLE TO REPLAY JOURNAL BLOCKS"); 150 if (reply("CONTINUE") == 0) { 151 exit(FSCK_EXIT_CHECK_FAILED); 152 } 153 } else { 154 wapbl_replay_stop(wapbl_replay); 155 } 156 } 157 { 158 int i; 159 for (i = 0; i < wapbl_replay->wr_inodescnt; i++) { 160 WAPBL_PRINTF(WAPBL_PRINT_REPLAY,("wapbl_replay: " 161 "not cleaning inode %"PRIu32" mode %"PRIo32"\n", 162 wapbl_replay->wr_inodes[i].wr_inumber, 163 wapbl_replay->wr_inodes[i].wr_imode)); 164 } 165 } 166 } 167 168 void 169 cleanup_wapbl(void) 170 { 171 172 if (wapbl_replay) { 173 if (wapbl_replay_isopen(wapbl_replay)) 174 wapbl_replay_stop(wapbl_replay); 175 wapbl_replay_free(wapbl_replay); 176 wapbl_replay = 0; 177 } 178 } 179 180 int 181 read_wapbl(char *buf, long size, daddr_t blk) 182 { 183 184 if (!wapbl_replay || !wapbl_replay_isopen(wapbl_replay)) 185 return 0; 186 return wapbl_replay_read(wapbl_replay, buf, blk, size); 187 } 188 189 int 190 is_journal_inode(ino_t ino) 191 { 192 union dinode *dp; 193 194 dp = ginode(ino); 195 if ((iswap32(DIP(dp, flags)) & SF_LOG) != 0 && 196 sblock->fs_journal_version == UFS_WAPBL_VERSION && 197 sblock->fs_journal_location == UFS_WAPBL_JOURNALLOC_IN_FILESYSTEM && 198 sblock->fs_journallocs[UFS_WAPBL_INFS_INO] == ino) 199 return 1; 200 201 return 0; 202 } 203
Indexes created Mon Oct 27 04:09:48 GMT 2025