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Commit | Line | Data |
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3839e657 TT |
1 | /* |
2 | * badblocks.c --- replace/append bad blocks to the bad block inode | |
efc6f628 | 3 | * |
3839e657 TT |
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> | |
50e1e10f TT |
9 | #ifdef HAVE_ERRNO_H |
10 | #include <errno.h> | |
11 | #endif | |
3839e657 TT |
12 | |
13 | #include <et/com_err.h> | |
14 | #include "e2fsck.h" | |
15 | ||
f3db3566 | 16 | static int check_bb_inode_blocks(ext2_filsys fs, blk_t *block_nr, int blockcnt, |
54dc7ca2 | 17 | void *priv_data); |
f3db3566 TT |
18 | |
19 | ||
54434927 | 20 | static void invalid_block(ext2_filsys fs EXT2FS_ATTR((unused)), blk_t blk) |
3839e657 | 21 | { |
0c4a0726 | 22 | printf(_("Bad block %u out of range; ignored.\n"), blk); |
3839e657 TT |
23 | return; |
24 | } | |
25 | ||
1b6bf175 | 26 | void read_bad_blocks_file(e2fsck_t ctx, const char *bad_blocks_file, |
3839e657 TT |
27 | int replace_bad_blocks) |
28 | { | |
1b6bf175 | 29 | ext2_filsys fs = ctx->fs; |
3839e657 TT |
30 | errcode_t retval; |
31 | badblocks_list bb_list = 0; | |
32 | FILE *f; | |
74becf3c | 33 | char buf[1024]; |
3839e657 | 34 | |
f8188fff | 35 | e2fsck_read_bitmaps(ctx); |
f3db3566 TT |
36 | |
37 | /* | |
38 | * Make sure the bad block inode is sane. If there are any | |
39 | * illegal blocks, clear them. | |
40 | */ | |
41 | retval = ext2fs_block_iterate(fs, EXT2_BAD_INO, 0, 0, | |
42 | check_bb_inode_blocks, 0); | |
43 | if (retval) { | |
44 | com_err("ext2fs_block_iterate", retval, | |
0c4a0726 | 45 | _("while sanity checking the bad blocks inode")); |
f8188fff | 46 | goto fatal; |
f3db3566 | 47 | } |
efc6f628 | 48 | |
3839e657 TT |
49 | /* |
50 | * If we're appending to the bad blocks inode, read in the | |
51 | * current bad blocks. | |
52 | */ | |
53 | if (!replace_bad_blocks) { | |
54 | retval = ext2fs_read_bb_inode(fs, &bb_list); | |
55 | if (retval) { | |
56 | com_err("ext2fs_read_bb_inode", retval, | |
0c4a0726 | 57 | _("while reading the bad blocks inode")); |
f8188fff | 58 | goto fatal; |
3839e657 TT |
59 | } |
60 | } | |
efc6f628 | 61 | |
3839e657 | 62 | /* |
74becf3c TT |
63 | * Now read in the bad blocks from the file; if |
64 | * bad_blocks_file is null, then try to run the badblocks | |
65 | * command. | |
3839e657 | 66 | */ |
74becf3c TT |
67 | if (bad_blocks_file) { |
68 | f = fopen(bad_blocks_file, "r"); | |
69 | if (!f) { | |
70 | com_err("read_bad_blocks_file", errno, | |
0c4a0726 | 71 | _("while trying to open %s"), bad_blocks_file); |
f8188fff | 72 | goto fatal; |
74becf3c TT |
73 | } |
74 | } else { | |
4efbac6f | 75 | sprintf(buf, "badblocks -b %d -X %s%s%s %llu", fs->blocksize, |
1b6bf175 | 76 | (ctx->options & E2F_OPT_PREEN) ? "" : "-s ", |
3ed57c27 | 77 | (ctx->options & E2F_OPT_WRITECHECK) ? "-n " : "", |
4efbac6f | 78 | fs->device_name, ext2fs_blocks_count(fs->super)-1); |
74becf3c TT |
79 | f = popen(buf, "r"); |
80 | if (!f) { | |
81 | com_err("read_bad_blocks_file", errno, | |
0c4a0726 | 82 | _("while trying popen '%s'"), buf); |
f8188fff | 83 | goto fatal; |
74becf3c | 84 | } |
3839e657 TT |
85 | } |
86 | retval = ext2fs_read_bb_FILE(fs, f, &bb_list, invalid_block); | |
efc6f628 | 87 | if (bad_blocks_file) |
74becf3c TT |
88 | fclose(f); |
89 | else | |
90 | pclose(f); | |
3839e657 TT |
91 | if (retval) { |
92 | com_err("ext2fs_read_bb_FILE", retval, | |
0c4a0726 | 93 | _("while reading in list of bad blocks from file")); |
f8188fff | 94 | goto fatal; |
3839e657 | 95 | } |
efc6f628 | 96 | |
3839e657 TT |
97 | /* |
98 | * Finally, update the bad blocks from the bad_block_map | |
99 | */ | |
4f9abdcb | 100 | printf("%s: Updating bad block inode.\n", ctx->device_name); |
3839e657 TT |
101 | retval = ext2fs_update_bb_inode(fs, bb_list); |
102 | if (retval) { | |
103 | com_err("ext2fs_update_bb_inode", retval, | |
0c4a0726 | 104 | _("while updating bad block inode")); |
f8188fff | 105 | goto fatal; |
3839e657 TT |
106 | } |
107 | ||
cbbf031b | 108 | ext2fs_badblocks_list_free(bb_list); |
3839e657 | 109 | return; |
efc6f628 | 110 | |
f8188fff TT |
111 | fatal: |
112 | ctx->flags |= E2F_FLAG_ABORT; | |
113 | return; | |
efc6f628 | 114 | |
3839e657 TT |
115 | } |
116 | ||
efc6f628 TT |
117 | static int check_bb_inode_blocks(ext2_filsys fs, |
118 | blk_t *block_nr, | |
54434927 TT |
119 | int blockcnt EXT2FS_ATTR((unused)), |
120 | void *priv_data EXT2FS_ATTR((unused))) | |
f3db3566 TT |
121 | { |
122 | if (!*block_nr) | |
123 | return 0; | |
124 | ||
125 | /* | |
126 | * If the block number is outrageous, clear it and ignore it. | |
127 | */ | |
4efbac6f | 128 | if (*block_nr >= ext2fs_blocks_count(fs->super) || |
f3db3566 | 129 | *block_nr < fs->super->s_first_data_block) { |
f37ab68a TT |
130 | printf(_("Warning: illegal block %u found in bad block inode. " |
131 | "Cleared.\n"), *block_nr); | |
f3db3566 TT |
132 | *block_nr = 0; |
133 | return BLOCK_CHANGED; | |
134 | } | |
135 | ||
136 | return 0; | |
137 | } | |
138 |