Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 1 | /* |
| 2 | * badblocks.c --- replace/append bad blocks to the bad block inode |
| 3 | * |
| 4 | * Copyright (C) 1993, 1994 Theodore Ts'o. This file may be |
| 5 | * redistributed under the terms of the GNU Public License. |
| 6 | */ |
| 7 | |
| 8 | #include <time.h> |
Theodore Ts'o | 50e1e10 | 1997-04-26 13:58:21 +0000 | [diff] [blame^] | 9 | #ifdef HAVE_ERRNO_H |
| 10 | #include <errno.h> |
| 11 | #endif |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 12 | |
| 13 | #include <et/com_err.h> |
| 14 | #include "e2fsck.h" |
| 15 | |
Theodore Ts'o | f3db356 | 1997-04-26 13:34:30 +0000 | [diff] [blame] | 16 | static int check_bb_inode_blocks(ext2_filsys fs, blk_t *block_nr, int blockcnt, |
| 17 | void *private); |
| 18 | |
| 19 | |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 20 | static void invalid_block(ext2_filsys fs, blk_t blk) |
| 21 | { |
Theodore Ts'o | 50e1e10 | 1997-04-26 13:58:21 +0000 | [diff] [blame^] | 22 | printf("Bad block %u out of range; ignored.\n", blk); |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 23 | return; |
| 24 | } |
| 25 | |
| 26 | void read_bad_blocks_file(ext2_filsys fs, const char *bad_blocks_file, |
| 27 | int replace_bad_blocks) |
| 28 | { |
| 29 | errcode_t retval; |
| 30 | badblocks_list bb_list = 0; |
| 31 | FILE *f; |
| 32 | |
| 33 | read_bitmaps(fs); |
Theodore Ts'o | f3db356 | 1997-04-26 13:34:30 +0000 | [diff] [blame] | 34 | |
| 35 | /* |
| 36 | * Make sure the bad block inode is sane. If there are any |
| 37 | * illegal blocks, clear them. |
| 38 | */ |
| 39 | retval = ext2fs_block_iterate(fs, EXT2_BAD_INO, 0, 0, |
| 40 | check_bb_inode_blocks, 0); |
| 41 | if (retval) { |
| 42 | com_err("ext2fs_block_iterate", retval, |
| 43 | "while sanity checking the bad blocks inode"); |
| 44 | fatal_error(0); |
| 45 | } |
| 46 | |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 47 | |
| 48 | /* |
| 49 | * If we're appending to the bad blocks inode, read in the |
| 50 | * current bad blocks. |
| 51 | */ |
| 52 | if (!replace_bad_blocks) { |
| 53 | retval = ext2fs_read_bb_inode(fs, &bb_list); |
| 54 | if (retval) { |
| 55 | com_err("ext2fs_read_bb_inode", retval, |
| 56 | "while reading the bad blocks inode"); |
| 57 | fatal_error(0); |
| 58 | } |
| 59 | } |
| 60 | |
| 61 | /* |
| 62 | * Now read in the bad blocks from the file. |
| 63 | */ |
| 64 | f = fopen(bad_blocks_file, "r"); |
| 65 | if (!f) { |
| 66 | com_err("read_bad_blocks_file", errno, |
| 67 | "while trying to open %s", bad_blocks_file); |
| 68 | fatal_error(0); |
| 69 | } |
| 70 | retval = ext2fs_read_bb_FILE(fs, f, &bb_list, invalid_block); |
| 71 | fclose (f); |
| 72 | if (retval) { |
| 73 | com_err("ext2fs_read_bb_FILE", retval, |
| 74 | "while reading in list of bad blocks from file"); |
| 75 | fatal_error(0); |
| 76 | } |
| 77 | |
| 78 | /* |
| 79 | * Finally, update the bad blocks from the bad_block_map |
| 80 | */ |
| 81 | retval = ext2fs_update_bb_inode(fs, bb_list); |
| 82 | if (retval) { |
| 83 | com_err("ext2fs_update_bb_inode", retval, |
| 84 | "while updating bad block inode"); |
| 85 | fatal_error(0); |
| 86 | } |
| 87 | |
| 88 | badblocks_list_free(bb_list); |
| 89 | return; |
| 90 | } |
| 91 | |
Theodore Ts'o | f3db356 | 1997-04-26 13:34:30 +0000 | [diff] [blame] | 92 | static int check_bb_inode_blocks(ext2_filsys fs, blk_t *block_nr, int blockcnt, |
| 93 | void *private) |
| 94 | { |
| 95 | if (!*block_nr) |
| 96 | return 0; |
| 97 | |
| 98 | /* |
| 99 | * If the block number is outrageous, clear it and ignore it. |
| 100 | */ |
| 101 | if (*block_nr >= fs->super->s_blocks_count || |
| 102 | *block_nr < fs->super->s_first_data_block) { |
Theodore Ts'o | 50e1e10 | 1997-04-26 13:58:21 +0000 | [diff] [blame^] | 103 | printf("Warning illegal block %u found in bad block inode. Cleared.\n", *block_nr); |
Theodore Ts'o | f3db356 | 1997-04-26 13:34:30 +0000 | [diff] [blame] | 104 | *block_nr = 0; |
| 105 | return BLOCK_CHANGED; |
| 106 | } |
| 107 | |
| 108 | return 0; |
| 109 | } |
| 110 | |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 111 | void test_disk(ext2_filsys fs) |
| 112 | { |
| 113 | errcode_t retval; |
| 114 | badblocks_list bb_list = 0; |
| 115 | FILE *f; |
| 116 | char buf[1024]; |
| 117 | |
| 118 | read_bitmaps(fs); |
| 119 | |
| 120 | /* |
| 121 | * Always read in the current list of bad blocks. |
| 122 | */ |
| 123 | retval = ext2fs_read_bb_inode(fs, &bb_list); |
| 124 | if (retval) { |
| 125 | com_err("ext2fs_read_bb_inode", retval, |
| 126 | "while reading the bad blocks inode"); |
| 127 | fatal_error(0); |
| 128 | } |
| 129 | |
| 130 | /* |
| 131 | * Now run the bad blocks program |
| 132 | */ |
Theodore Ts'o | 50e1e10 | 1997-04-26 13:58:21 +0000 | [diff] [blame^] | 133 | sprintf(buf, "badblocks %s%s %d", preen ? "" : "-s ", |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 134 | fs->device_name, |
| 135 | fs->super->s_blocks_count); |
| 136 | if (verbose) |
| 137 | printf("Running command: %s\n", buf); |
| 138 | f = popen(buf, "r"); |
| 139 | if (!f) { |
| 140 | com_err("popen", errno, |
| 141 | "while trying to run %s", buf); |
| 142 | fatal_error(0); |
| 143 | } |
| 144 | retval = ext2fs_read_bb_FILE(fs, f, &bb_list, invalid_block); |
| 145 | fclose (f); |
| 146 | if (retval) { |
| 147 | com_err("ext2fs_read_bb_FILE", retval, |
| 148 | "while processing list of bad blocks from program"); |
| 149 | fatal_error(0); |
| 150 | } |
| 151 | |
| 152 | /* |
| 153 | * Finally, update the bad blocks from the bad_block_map |
| 154 | */ |
| 155 | retval = ext2fs_update_bb_inode(fs, bb_list); |
| 156 | if (retval) { |
| 157 | com_err("ext2fs_update_bb_inode", retval, |
| 158 | "while updating bad block inode"); |
| 159 | fatal_error(0); |
| 160 | } |
| 161 | |
| 162 | badblocks_list_free(bb_list); |
| 163 | return; |
| 164 | } |
| 165 | |