Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 1 | /* |
| 2 | * pass5.c --- check block and inode bitmaps against on-disk bitmaps |
| 3 | * |
Theodore Ts'o | 21c84b7 | 1997-04-29 16:15:03 +0000 | [diff] [blame] | 4 | * Copyright (C) 1993, 1994, 1995, 1996, 1997 Theodore Ts'o. |
| 5 | * |
| 6 | * %Begin-Header% |
| 7 | * This file may be redistributed under the terms of the GNU Public |
| 8 | * License. |
| 9 | * %End-Header% |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 10 | * |
| 11 | */ |
| 12 | |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 13 | #include "e2fsck.h" |
Theodore Ts'o | 1b6bf17 | 1997-10-03 17:48:10 +0000 | [diff] [blame] | 14 | #include "problem.h" |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 15 | |
Theodore Ts'o | 1b6bf17 | 1997-10-03 17:48:10 +0000 | [diff] [blame] | 16 | static void check_block_bitmaps(e2fsck_t ctx); |
| 17 | static void check_inode_bitmaps(e2fsck_t ctx); |
| 18 | static void check_inode_end(e2fsck_t ctx); |
| 19 | static void check_block_end(e2fsck_t ctx); |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 20 | |
Theodore Ts'o | 08b2130 | 1997-11-03 19:42:40 +0000 | [diff] [blame] | 21 | void e2fsck_pass5(e2fsck_t ctx) |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 22 | { |
Theodore Ts'o | 8bf191e | 1997-10-20 01:38:32 +0000 | [diff] [blame] | 23 | #ifdef RESOURCE_TRACK |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 24 | struct resource_track rtrack; |
Theodore Ts'o | 8bf191e | 1997-10-20 01:38:32 +0000 | [diff] [blame] | 25 | #endif |
Theodore Ts'o | 1b6bf17 | 1997-10-03 17:48:10 +0000 | [diff] [blame] | 26 | struct problem_context pctx; |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 27 | |
| 28 | #ifdef MTRACE |
| 29 | mtrace_print("Pass 5"); |
| 30 | #endif |
| 31 | |
Theodore Ts'o | 8bf191e | 1997-10-20 01:38:32 +0000 | [diff] [blame] | 32 | #ifdef RESOURCE_TRACK |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 33 | init_resource_track(&rtrack); |
Theodore Ts'o | 8bf191e | 1997-10-20 01:38:32 +0000 | [diff] [blame] | 34 | #endif |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 35 | |
Theodore Ts'o | 1b6bf17 | 1997-10-03 17:48:10 +0000 | [diff] [blame] | 36 | clear_problem_context(&pctx); |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 37 | |
Theodore Ts'o | 1b6bf17 | 1997-10-03 17:48:10 +0000 | [diff] [blame] | 38 | if (!(ctx->options & E2F_OPT_PREEN)) |
| 39 | fix_problem(ctx, PR_5_PASS_HEADER, &pctx); |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 40 | |
Theodore Ts'o | f8188ff | 1997-11-14 05:23:04 +0000 | [diff] [blame] | 41 | if (ctx->progress) |
Theodore Ts'o | efac9a1 | 1998-05-07 05:02:00 +0000 | [diff] [blame] | 42 | if ((ctx->progress)(ctx, 5, 0, ctx->fs->group_desc_count*2)) |
Theodore Ts'o | a02ce9d | 1998-02-24 20:22:23 +0000 | [diff] [blame] | 43 | return; |
Theodore Ts'o | f8188ff | 1997-11-14 05:23:04 +0000 | [diff] [blame] | 44 | |
| 45 | e2fsck_read_bitmaps(ctx); |
| 46 | |
Theodore Ts'o | 1b6bf17 | 1997-10-03 17:48:10 +0000 | [diff] [blame] | 47 | check_block_bitmaps(ctx); |
Theodore Ts'o | a02ce9d | 1998-02-24 20:22:23 +0000 | [diff] [blame] | 48 | if (ctx->flags & E2F_FLAG_SIGNAL_MASK) |
Theodore Ts'o | 08b2130 | 1997-11-03 19:42:40 +0000 | [diff] [blame] | 49 | return; |
Theodore Ts'o | 1b6bf17 | 1997-10-03 17:48:10 +0000 | [diff] [blame] | 50 | check_inode_bitmaps(ctx); |
Theodore Ts'o | a02ce9d | 1998-02-24 20:22:23 +0000 | [diff] [blame] | 51 | if (ctx->flags & E2F_FLAG_SIGNAL_MASK) |
Theodore Ts'o | 08b2130 | 1997-11-03 19:42:40 +0000 | [diff] [blame] | 52 | return; |
Theodore Ts'o | 1b6bf17 | 1997-10-03 17:48:10 +0000 | [diff] [blame] | 53 | check_inode_end(ctx); |
Theodore Ts'o | a02ce9d | 1998-02-24 20:22:23 +0000 | [diff] [blame] | 54 | if (ctx->flags & E2F_FLAG_SIGNAL_MASK) |
Theodore Ts'o | 08b2130 | 1997-11-03 19:42:40 +0000 | [diff] [blame] | 55 | return; |
Theodore Ts'o | 1b6bf17 | 1997-10-03 17:48:10 +0000 | [diff] [blame] | 56 | check_block_end(ctx); |
Theodore Ts'o | a02ce9d | 1998-02-24 20:22:23 +0000 | [diff] [blame] | 57 | if (ctx->flags & E2F_FLAG_SIGNAL_MASK) |
Theodore Ts'o | 08b2130 | 1997-11-03 19:42:40 +0000 | [diff] [blame] | 58 | return; |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 59 | |
Theodore Ts'o | 1b6bf17 | 1997-10-03 17:48:10 +0000 | [diff] [blame] | 60 | ext2fs_free_inode_bitmap(ctx->inode_used_map); |
| 61 | ctx->inode_used_map = 0; |
| 62 | ext2fs_free_inode_bitmap(ctx->inode_dir_map); |
| 63 | ctx->inode_dir_map = 0; |
| 64 | ext2fs_free_block_bitmap(ctx->block_found_map); |
| 65 | ctx->block_found_map = 0; |
| 66 | |
Theodore Ts'o | 8bf191e | 1997-10-20 01:38:32 +0000 | [diff] [blame] | 67 | #ifdef RESOURCE_TRACK |
Theodore Ts'o | 5596def | 1999-07-19 15:27:37 +0000 | [diff] [blame] | 68 | if (ctx->options & E2F_OPT_TIME2) { |
| 69 | e2fsck_clear_progbar(ctx); |
Theodore Ts'o | 0c4a072 | 2000-02-07 03:11:03 +0000 | [diff] [blame] | 70 | print_resource_track(_("Pass 5"), &rtrack); |
Theodore Ts'o | 5596def | 1999-07-19 15:27:37 +0000 | [diff] [blame] | 71 | } |
Theodore Ts'o | 8bf191e | 1997-10-20 01:38:32 +0000 | [diff] [blame] | 72 | #endif |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 73 | } |
| 74 | |
Theodore Ts'o | 1b6bf17 | 1997-10-03 17:48:10 +0000 | [diff] [blame] | 75 | static void check_block_bitmaps(e2fsck_t ctx) |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 76 | { |
Theodore Ts'o | 1b6bf17 | 1997-10-03 17:48:10 +0000 | [diff] [blame] | 77 | ext2_filsys fs = ctx->fs; |
Theodore Ts'o | f3db356 | 1997-04-26 13:34:30 +0000 | [diff] [blame] | 78 | blk_t i; |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 79 | int *free_array; |
| 80 | int group = 0; |
| 81 | int blocks = 0; |
| 82 | int free_blocks = 0; |
| 83 | int group_free = 0; |
| 84 | int actual, bitmap; |
Theodore Ts'o | 1b6bf17 | 1997-10-03 17:48:10 +0000 | [diff] [blame] | 85 | struct problem_context pctx; |
Theodore Ts'o | 63c4969 | 1998-02-20 05:24:59 +0000 | [diff] [blame] | 86 | int problem, fixit, had_problem; |
Theodore Ts'o | 1b6bf17 | 1997-10-03 17:48:10 +0000 | [diff] [blame] | 87 | errcode_t retval; |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 88 | |
Theodore Ts'o | 1b6bf17 | 1997-10-03 17:48:10 +0000 | [diff] [blame] | 89 | clear_problem_context(&pctx); |
Theodore Ts'o | 54dc7ca | 1998-01-19 14:50:49 +0000 | [diff] [blame] | 90 | free_array = (int *) e2fsck_allocate_memory(ctx, |
Theodore Ts'o | f8188ff | 1997-11-14 05:23:04 +0000 | [diff] [blame] | 91 | fs->group_desc_count * sizeof(int), "free block count array"); |
Theodore Ts'o | 50e1e10 | 1997-04-26 13:58:21 +0000 | [diff] [blame] | 92 | |
| 93 | if ((fs->super->s_first_data_block < |
Theodore Ts'o | 1b6bf17 | 1997-10-03 17:48:10 +0000 | [diff] [blame] | 94 | ext2fs_get_block_bitmap_start(ctx->block_found_map)) || |
Theodore Ts'o | 50e1e10 | 1997-04-26 13:58:21 +0000 | [diff] [blame] | 95 | (fs->super->s_blocks_count-1 > |
Theodore Ts'o | 1b6bf17 | 1997-10-03 17:48:10 +0000 | [diff] [blame] | 96 | ext2fs_get_block_bitmap_end(ctx->block_found_map))) { |
| 97 | pctx.num = 1; |
| 98 | pctx.blk = fs->super->s_first_data_block; |
| 99 | pctx.blk2 = fs->super->s_blocks_count -1; |
| 100 | pctx.ino = ext2fs_get_block_bitmap_start(ctx->block_found_map); |
| 101 | pctx.ino2 = ext2fs_get_block_bitmap_end(ctx->block_found_map); |
| 102 | fix_problem(ctx, PR_5_BMAP_ENDPOINTS, &pctx); |
Theodore Ts'o | 08b2130 | 1997-11-03 19:42:40 +0000 | [diff] [blame] | 103 | |
| 104 | ctx->flags |= E2F_FLAG_ABORT; /* fatal */ |
| 105 | return; |
Theodore Ts'o | 50e1e10 | 1997-04-26 13:58:21 +0000 | [diff] [blame] | 106 | } |
| 107 | |
| 108 | if ((fs->super->s_first_data_block < |
| 109 | ext2fs_get_block_bitmap_start(fs->block_map)) || |
| 110 | (fs->super->s_blocks_count-1 > |
| 111 | ext2fs_get_block_bitmap_end(fs->block_map))) { |
Theodore Ts'o | 1b6bf17 | 1997-10-03 17:48:10 +0000 | [diff] [blame] | 112 | pctx.num = 2; |
| 113 | pctx.blk = fs->super->s_first_data_block; |
| 114 | pctx.blk2 = fs->super->s_blocks_count -1; |
| 115 | pctx.ino = ext2fs_get_block_bitmap_start(fs->block_map); |
| 116 | pctx.ino2 = ext2fs_get_block_bitmap_end(fs->block_map); |
| 117 | fix_problem(ctx, PR_5_BMAP_ENDPOINTS, &pctx); |
Theodore Ts'o | 08b2130 | 1997-11-03 19:42:40 +0000 | [diff] [blame] | 118 | |
| 119 | ctx->flags |= E2F_FLAG_ABORT; /* fatal */ |
| 120 | return; |
Theodore Ts'o | 50e1e10 | 1997-04-26 13:58:21 +0000 | [diff] [blame] | 121 | } |
| 122 | |
Theodore Ts'o | 63c4969 | 1998-02-20 05:24:59 +0000 | [diff] [blame] | 123 | redo_counts: |
| 124 | had_problem = 0; |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 125 | for (i = fs->super->s_first_data_block; |
| 126 | i < fs->super->s_blocks_count; |
| 127 | i++) { |
Theodore Ts'o | 1b6bf17 | 1997-10-03 17:48:10 +0000 | [diff] [blame] | 128 | actual = ext2fs_fast_test_block_bitmap(ctx->block_found_map, i); |
Theodore Ts'o | 50e1e10 | 1997-04-26 13:58:21 +0000 | [diff] [blame] | 129 | bitmap = ext2fs_fast_test_block_bitmap(fs->block_map, i); |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 130 | |
| 131 | if (actual == bitmap) |
| 132 | goto do_counts; |
Theodore Ts'o | 1b6bf17 | 1997-10-03 17:48:10 +0000 | [diff] [blame] | 133 | |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 134 | if (!actual && bitmap) { |
| 135 | /* |
| 136 | * Block not used, but marked in use in the bitmap. |
| 137 | */ |
Theodore Ts'o | 1b6bf17 | 1997-10-03 17:48:10 +0000 | [diff] [blame] | 138 | problem = PR_5_UNUSED_BLOCK; |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 139 | } else { |
| 140 | /* |
| 141 | * Block used, but not marked in use in the bitmap. |
| 142 | */ |
Theodore Ts'o | 1b6bf17 | 1997-10-03 17:48:10 +0000 | [diff] [blame] | 143 | problem = PR_5_BLOCK_USED; |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 144 | } |
Theodore Ts'o | 1b6bf17 | 1997-10-03 17:48:10 +0000 | [diff] [blame] | 145 | pctx.blk = i; |
| 146 | fix_problem(ctx, problem, &pctx); |
Theodore Ts'o | 5596def | 1999-07-19 15:27:37 +0000 | [diff] [blame] | 147 | ctx->flags |= E2F_FLAG_PROG_SUPPRESS; |
Theodore Ts'o | 63c4969 | 1998-02-20 05:24:59 +0000 | [diff] [blame] | 148 | had_problem++; |
Theodore Ts'o | 1b6bf17 | 1997-10-03 17:48:10 +0000 | [diff] [blame] | 149 | |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 150 | do_counts: |
| 151 | if (!bitmap) { |
| 152 | group_free++; |
| 153 | free_blocks++; |
| 154 | } |
| 155 | blocks ++; |
| 156 | if ((blocks == fs->super->s_blocks_per_group) || |
| 157 | (i == fs->super->s_blocks_count-1)) { |
| 158 | free_array[group] = group_free; |
| 159 | group ++; |
| 160 | blocks = 0; |
| 161 | group_free = 0; |
Theodore Ts'o | efac9a1 | 1998-05-07 05:02:00 +0000 | [diff] [blame] | 162 | if (ctx->progress) |
| 163 | if ((ctx->progress)(ctx, 5, group, |
| 164 | fs->group_desc_count*2)) |
| 165 | return; |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 166 | } |
| 167 | } |
Theodore Ts'o | 63c4969 | 1998-02-20 05:24:59 +0000 | [diff] [blame] | 168 | if (had_problem) |
| 169 | fixit = end_problem_latch(ctx, PR_LATCH_BBITMAP); |
| 170 | else |
| 171 | fixit = -1; |
Theodore Ts'o | 5596def | 1999-07-19 15:27:37 +0000 | [diff] [blame] | 172 | ctx->flags &= ~E2F_FLAG_PROG_SUPPRESS; |
| 173 | |
Theodore Ts'o | 1b6bf17 | 1997-10-03 17:48:10 +0000 | [diff] [blame] | 174 | if (fixit == 1) { |
| 175 | ext2fs_free_block_bitmap(fs->block_map); |
| 176 | retval = ext2fs_copy_bitmap(ctx->block_found_map, |
| 177 | &fs->block_map); |
Theodore Ts'o | bbd47d7 | 2000-06-10 19:21:33 +0000 | [diff] [blame] | 178 | if (retval) { |
| 179 | clear_problem_context(&pctx); |
| 180 | fix_problem(ctx, PR_5_COPY_BBITMAP_ERROR, &pctx); |
| 181 | ctx->flags |= E2F_FLAG_ABORT; |
| 182 | return; |
| 183 | } |
Theodore Ts'o | 1b6bf17 | 1997-10-03 17:48:10 +0000 | [diff] [blame] | 184 | ext2fs_set_bitmap_padding(fs->block_map); |
| 185 | ext2fs_mark_bb_dirty(fs); |
| 186 | |
| 187 | /* Redo the counts */ |
| 188 | blocks = 0; free_blocks = 0; group_free = 0; group = 0; |
| 189 | memset(free_array, 0, fs->group_desc_count * sizeof(int)); |
| 190 | goto redo_counts; |
| 191 | } else if (fixit == 0) |
| 192 | ext2fs_unmark_valid(fs); |
| 193 | |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 194 | for (i = 0; i < fs->group_desc_count; i++) { |
| 195 | if (free_array[i] != fs->group_desc[i].bg_free_blocks_count) { |
Theodore Ts'o | 1b6bf17 | 1997-10-03 17:48:10 +0000 | [diff] [blame] | 196 | pctx.group = i; |
| 197 | pctx.blk = fs->group_desc[i].bg_free_blocks_count; |
| 198 | pctx.blk2 = free_array[i]; |
| 199 | |
| 200 | if (fix_problem(ctx, PR_5_FREE_BLOCK_COUNT_GROUP, |
| 201 | &pctx)) { |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 202 | fs->group_desc[i].bg_free_blocks_count = |
| 203 | free_array[i]; |
| 204 | ext2fs_mark_super_dirty(fs); |
| 205 | } else |
| 206 | ext2fs_unmark_valid(fs); |
| 207 | } |
| 208 | } |
| 209 | if (free_blocks != fs->super->s_free_blocks_count) { |
Theodore Ts'o | 1b6bf17 | 1997-10-03 17:48:10 +0000 | [diff] [blame] | 210 | pctx.group = 0; |
| 211 | pctx.blk = fs->super->s_free_blocks_count; |
| 212 | pctx.blk2 = free_blocks; |
| 213 | |
| 214 | if (fix_problem(ctx, PR_5_FREE_BLOCK_COUNT, &pctx)) { |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 215 | fs->super->s_free_blocks_count = free_blocks; |
| 216 | ext2fs_mark_super_dirty(fs); |
| 217 | } else |
| 218 | ext2fs_unmark_valid(fs); |
| 219 | } |
Theodore Ts'o | 08b2130 | 1997-11-03 19:42:40 +0000 | [diff] [blame] | 220 | ext2fs_free_mem((void **) &free_array); |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 221 | } |
| 222 | |
Theodore Ts'o | 1b6bf17 | 1997-10-03 17:48:10 +0000 | [diff] [blame] | 223 | static void check_inode_bitmaps(e2fsck_t ctx) |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 224 | { |
Theodore Ts'o | 1b6bf17 | 1997-10-03 17:48:10 +0000 | [diff] [blame] | 225 | ext2_filsys fs = ctx->fs; |
Theodore Ts'o | 86c627e | 2001-01-11 15:12:14 +0000 | [diff] [blame] | 226 | ext2_ino_t i; |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 227 | int free_inodes = 0; |
| 228 | int group_free = 0; |
| 229 | int dirs_count = 0; |
| 230 | int group = 0; |
| 231 | int inodes = 0; |
| 232 | int *free_array; |
| 233 | int *dir_array; |
| 234 | int actual, bitmap; |
Theodore Ts'o | 1b6bf17 | 1997-10-03 17:48:10 +0000 | [diff] [blame] | 235 | errcode_t retval; |
| 236 | struct problem_context pctx; |
Theodore Ts'o | 63c4969 | 1998-02-20 05:24:59 +0000 | [diff] [blame] | 237 | int problem, fixit, had_problem; |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 238 | |
Theodore Ts'o | 1b6bf17 | 1997-10-03 17:48:10 +0000 | [diff] [blame] | 239 | clear_problem_context(&pctx); |
Theodore Ts'o | 54dc7ca | 1998-01-19 14:50:49 +0000 | [diff] [blame] | 240 | free_array = (int *) e2fsck_allocate_memory(ctx, |
Theodore Ts'o | f8188ff | 1997-11-14 05:23:04 +0000 | [diff] [blame] | 241 | fs->group_desc_count * sizeof(int), "free inode count array"); |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 242 | |
Theodore Ts'o | 54dc7ca | 1998-01-19 14:50:49 +0000 | [diff] [blame] | 243 | dir_array = (int *) e2fsck_allocate_memory(ctx, |
Theodore Ts'o | f8188ff | 1997-11-14 05:23:04 +0000 | [diff] [blame] | 244 | fs->group_desc_count * sizeof(int), "directory count array"); |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 245 | |
Theodore Ts'o | 1b6bf17 | 1997-10-03 17:48:10 +0000 | [diff] [blame] | 246 | if ((1 < ext2fs_get_inode_bitmap_start(ctx->inode_used_map)) || |
Theodore Ts'o | 50e1e10 | 1997-04-26 13:58:21 +0000 | [diff] [blame] | 247 | (fs->super->s_inodes_count > |
Theodore Ts'o | 1b6bf17 | 1997-10-03 17:48:10 +0000 | [diff] [blame] | 248 | ext2fs_get_inode_bitmap_end(ctx->inode_used_map))) { |
| 249 | pctx.num = 3; |
| 250 | pctx.blk = 1; |
| 251 | pctx.blk2 = fs->super->s_inodes_count; |
| 252 | pctx.ino = ext2fs_get_inode_bitmap_start(ctx->inode_used_map); |
| 253 | pctx.ino2 = ext2fs_get_inode_bitmap_end(ctx->inode_used_map); |
| 254 | fix_problem(ctx, PR_5_BMAP_ENDPOINTS, &pctx); |
Theodore Ts'o | 08b2130 | 1997-11-03 19:42:40 +0000 | [diff] [blame] | 255 | |
| 256 | ctx->flags |= E2F_FLAG_ABORT; /* fatal */ |
| 257 | return; |
Theodore Ts'o | 50e1e10 | 1997-04-26 13:58:21 +0000 | [diff] [blame] | 258 | } |
| 259 | if ((1 < ext2fs_get_inode_bitmap_start(fs->inode_map)) || |
| 260 | (fs->super->s_inodes_count > |
| 261 | ext2fs_get_inode_bitmap_end(fs->inode_map))) { |
Theodore Ts'o | 1b6bf17 | 1997-10-03 17:48:10 +0000 | [diff] [blame] | 262 | pctx.num = 4; |
| 263 | pctx.blk = 1; |
| 264 | pctx.blk2 = fs->super->s_inodes_count; |
| 265 | pctx.ino = ext2fs_get_inode_bitmap_start(fs->inode_map); |
| 266 | pctx.ino2 = ext2fs_get_inode_bitmap_end(fs->inode_map); |
| 267 | fix_problem(ctx, PR_5_BMAP_ENDPOINTS, &pctx); |
Theodore Ts'o | 08b2130 | 1997-11-03 19:42:40 +0000 | [diff] [blame] | 268 | |
| 269 | ctx->flags |= E2F_FLAG_ABORT; /* fatal */ |
| 270 | return; |
Theodore Ts'o | 50e1e10 | 1997-04-26 13:58:21 +0000 | [diff] [blame] | 271 | } |
| 272 | |
Theodore Ts'o | 1b6bf17 | 1997-10-03 17:48:10 +0000 | [diff] [blame] | 273 | redo_counts: |
Theodore Ts'o | 63c4969 | 1998-02-20 05:24:59 +0000 | [diff] [blame] | 274 | had_problem = 0; |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 275 | for (i = 1; i <= fs->super->s_inodes_count; i++) { |
Theodore Ts'o | 1b6bf17 | 1997-10-03 17:48:10 +0000 | [diff] [blame] | 276 | actual = ext2fs_fast_test_inode_bitmap(ctx->inode_used_map, i); |
Theodore Ts'o | 50e1e10 | 1997-04-26 13:58:21 +0000 | [diff] [blame] | 277 | bitmap = ext2fs_fast_test_inode_bitmap(fs->inode_map, i); |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 278 | |
| 279 | if (actual == bitmap) |
| 280 | goto do_counts; |
| 281 | |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 282 | if (!actual && bitmap) { |
| 283 | /* |
| 284 | * Inode wasn't used, but marked in bitmap |
| 285 | */ |
Theodore Ts'o | 1b6bf17 | 1997-10-03 17:48:10 +0000 | [diff] [blame] | 286 | problem = PR_5_UNUSED_INODE; |
| 287 | } else /* if (actual && !bitmap) */ { |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 288 | /* |
| 289 | * Inode used, but not in bitmap |
| 290 | */ |
Theodore Ts'o | 1b6bf17 | 1997-10-03 17:48:10 +0000 | [diff] [blame] | 291 | problem = PR_5_INODE_USED; |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 292 | } |
Theodore Ts'o | 1b6bf17 | 1997-10-03 17:48:10 +0000 | [diff] [blame] | 293 | pctx.ino = i; |
| 294 | fix_problem(ctx, problem, &pctx); |
Theodore Ts'o | 5596def | 1999-07-19 15:27:37 +0000 | [diff] [blame] | 295 | ctx->flags |= E2F_FLAG_PROG_SUPPRESS; |
Theodore Ts'o | 63c4969 | 1998-02-20 05:24:59 +0000 | [diff] [blame] | 296 | had_problem++; |
Theodore Ts'o | 1b6bf17 | 1997-10-03 17:48:10 +0000 | [diff] [blame] | 297 | |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 298 | do_counts: |
| 299 | if (!bitmap) { |
| 300 | group_free++; |
| 301 | free_inodes++; |
| 302 | } else { |
Theodore Ts'o | 1b6bf17 | 1997-10-03 17:48:10 +0000 | [diff] [blame] | 303 | if (ext2fs_test_inode_bitmap(ctx->inode_dir_map, i)) |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 304 | dirs_count++; |
| 305 | } |
| 306 | inodes++; |
| 307 | if ((inodes == fs->super->s_inodes_per_group) || |
| 308 | (i == fs->super->s_inodes_count)) { |
| 309 | free_array[group] = group_free; |
| 310 | dir_array[group] = dirs_count; |
| 311 | group ++; |
| 312 | inodes = 0; |
| 313 | group_free = 0; |
| 314 | dirs_count = 0; |
Theodore Ts'o | efac9a1 | 1998-05-07 05:02:00 +0000 | [diff] [blame] | 315 | if (ctx->progress) |
| 316 | if ((ctx->progress)(ctx, 5, |
| 317 | group + fs->group_desc_count, |
| 318 | fs->group_desc_count*2)) |
| 319 | return; |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 320 | } |
| 321 | } |
Theodore Ts'o | 63c4969 | 1998-02-20 05:24:59 +0000 | [diff] [blame] | 322 | if (had_problem) |
| 323 | fixit = end_problem_latch(ctx, PR_LATCH_IBITMAP); |
| 324 | else |
| 325 | fixit = -1; |
Theodore Ts'o | 5596def | 1999-07-19 15:27:37 +0000 | [diff] [blame] | 326 | ctx->flags &= ~E2F_FLAG_PROG_SUPPRESS; |
| 327 | |
Theodore Ts'o | 1b6bf17 | 1997-10-03 17:48:10 +0000 | [diff] [blame] | 328 | if (fixit == 1) { |
| 329 | ext2fs_free_inode_bitmap(fs->inode_map); |
| 330 | retval = ext2fs_copy_bitmap(ctx->inode_used_map, |
| 331 | &fs->inode_map); |
Theodore Ts'o | bbd47d7 | 2000-06-10 19:21:33 +0000 | [diff] [blame] | 332 | if (retval) { |
| 333 | clear_problem_context(&pctx); |
| 334 | fix_problem(ctx, PR_5_COPY_IBITMAP_ERROR, &pctx); |
| 335 | ctx->flags |= E2F_FLAG_ABORT; |
| 336 | return; |
| 337 | } |
Theodore Ts'o | 1b6bf17 | 1997-10-03 17:48:10 +0000 | [diff] [blame] | 338 | ext2fs_set_bitmap_padding(fs->inode_map); |
| 339 | ext2fs_mark_ib_dirty(fs); |
| 340 | |
| 341 | /* redo counts */ |
| 342 | inodes = 0; free_inodes = 0; group_free = 0; |
| 343 | dirs_count = 0; group = 0; |
| 344 | memset(free_array, 0, fs->group_desc_count * sizeof(int)); |
| 345 | memset(dir_array, 0, fs->group_desc_count * sizeof(int)); |
| 346 | goto redo_counts; |
| 347 | } else if (fixit == 0) |
| 348 | ext2fs_unmark_valid(fs); |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 349 | |
| 350 | for (i = 0; i < fs->group_desc_count; i++) { |
| 351 | if (free_array[i] != fs->group_desc[i].bg_free_inodes_count) { |
Theodore Ts'o | 1b6bf17 | 1997-10-03 17:48:10 +0000 | [diff] [blame] | 352 | pctx.group = i; |
| 353 | pctx.ino = fs->group_desc[i].bg_free_inodes_count; |
| 354 | pctx.ino2 = free_array[i]; |
| 355 | if (fix_problem(ctx, PR_5_FREE_INODE_COUNT_GROUP, |
| 356 | &pctx)) { |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 357 | fs->group_desc[i].bg_free_inodes_count = |
| 358 | free_array[i]; |
| 359 | ext2fs_mark_super_dirty(fs); |
| 360 | } else |
| 361 | ext2fs_unmark_valid(fs); |
| 362 | } |
| 363 | if (dir_array[i] != fs->group_desc[i].bg_used_dirs_count) { |
Theodore Ts'o | 1b6bf17 | 1997-10-03 17:48:10 +0000 | [diff] [blame] | 364 | pctx.group = i; |
| 365 | pctx.ino = fs->group_desc[i].bg_used_dirs_count; |
| 366 | pctx.ino2 = dir_array[i]; |
| 367 | |
| 368 | if (fix_problem(ctx, PR_5_FREE_DIR_COUNT_GROUP, |
| 369 | &pctx)) { |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 370 | fs->group_desc[i].bg_used_dirs_count = |
| 371 | dir_array[i]; |
| 372 | ext2fs_mark_super_dirty(fs); |
| 373 | } else |
| 374 | ext2fs_unmark_valid(fs); |
| 375 | } |
| 376 | } |
| 377 | if (free_inodes != fs->super->s_free_inodes_count) { |
Theodore Ts'o | 1b6bf17 | 1997-10-03 17:48:10 +0000 | [diff] [blame] | 378 | pctx.group = -1; |
| 379 | pctx.ino = fs->super->s_free_inodes_count; |
| 380 | pctx.ino2 = free_inodes; |
| 381 | |
| 382 | if (fix_problem(ctx, PR_5_FREE_INODE_COUNT, &pctx)) { |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 383 | fs->super->s_free_inodes_count = free_inodes; |
| 384 | ext2fs_mark_super_dirty(fs); |
| 385 | } else |
| 386 | ext2fs_unmark_valid(fs); |
| 387 | } |
Theodore Ts'o | 08b2130 | 1997-11-03 19:42:40 +0000 | [diff] [blame] | 388 | ext2fs_free_mem((void **) &free_array); |
| 389 | ext2fs_free_mem((void **) &dir_array); |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 390 | } |
| 391 | |
Theodore Ts'o | 1b6bf17 | 1997-10-03 17:48:10 +0000 | [diff] [blame] | 392 | static void check_inode_end(e2fsck_t ctx) |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 393 | { |
Theodore Ts'o | 1b6bf17 | 1997-10-03 17:48:10 +0000 | [diff] [blame] | 394 | ext2_filsys fs = ctx->fs; |
Theodore Ts'o | 86c627e | 2001-01-11 15:12:14 +0000 | [diff] [blame] | 395 | ext2_ino_t end, save_inodes_count, i; |
Theodore Ts'o | 1b6bf17 | 1997-10-03 17:48:10 +0000 | [diff] [blame] | 396 | struct problem_context pctx; |
| 397 | |
| 398 | clear_problem_context(&pctx); |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 399 | |
| 400 | end = EXT2_INODES_PER_GROUP(fs->super) * fs->group_desc_count; |
Theodore Ts'o | 1b6bf17 | 1997-10-03 17:48:10 +0000 | [diff] [blame] | 401 | pctx.errcode = ext2fs_fudge_inode_bitmap_end(fs->inode_map, end, |
| 402 | &save_inodes_count); |
| 403 | if (pctx.errcode) { |
| 404 | pctx.num = 1; |
| 405 | fix_problem(ctx, PR_5_FUDGE_BITMAP_ERROR, &pctx); |
Theodore Ts'o | 08b2130 | 1997-11-03 19:42:40 +0000 | [diff] [blame] | 406 | ctx->flags |= E2F_FLAG_ABORT; /* fatal */ |
| 407 | return; |
Theodore Ts'o | f3db356 | 1997-04-26 13:34:30 +0000 | [diff] [blame] | 408 | } |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 409 | if (save_inodes_count == end) |
| 410 | return; |
| 411 | |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 412 | for (i = save_inodes_count + 1; i <= end; i++) { |
Theodore Ts'o | f3db356 | 1997-04-26 13:34:30 +0000 | [diff] [blame] | 413 | if (!ext2fs_test_inode_bitmap(fs->inode_map, i)) { |
Theodore Ts'o | 1b6bf17 | 1997-10-03 17:48:10 +0000 | [diff] [blame] | 414 | if (fix_problem(ctx, PR_5_INODE_BMAP_PADDING, &pctx)) { |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 415 | for (i = save_inodes_count + 1; i <= end; i++) |
Theodore Ts'o | f3db356 | 1997-04-26 13:34:30 +0000 | [diff] [blame] | 416 | ext2fs_mark_inode_bitmap(fs->inode_map, |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 417 | i); |
| 418 | ext2fs_mark_ib_dirty(fs); |
| 419 | } else |
| 420 | ext2fs_unmark_valid(fs); |
| 421 | break; |
| 422 | } |
| 423 | } |
| 424 | |
Theodore Ts'o | 1b6bf17 | 1997-10-03 17:48:10 +0000 | [diff] [blame] | 425 | pctx.errcode = ext2fs_fudge_inode_bitmap_end(fs->inode_map, |
| 426 | save_inodes_count, 0); |
| 427 | if (pctx.errcode) { |
| 428 | pctx.num = 2; |
| 429 | fix_problem(ctx, PR_5_FUDGE_BITMAP_ERROR, &pctx); |
Theodore Ts'o | 08b2130 | 1997-11-03 19:42:40 +0000 | [diff] [blame] | 430 | ctx->flags |= E2F_FLAG_ABORT; /* fatal */ |
| 431 | return; |
Theodore Ts'o | f3db356 | 1997-04-26 13:34:30 +0000 | [diff] [blame] | 432 | } |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 433 | } |
| 434 | |
Theodore Ts'o | 1b6bf17 | 1997-10-03 17:48:10 +0000 | [diff] [blame] | 435 | static void check_block_end(e2fsck_t ctx) |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 436 | { |
Theodore Ts'o | 1b6bf17 | 1997-10-03 17:48:10 +0000 | [diff] [blame] | 437 | ext2_filsys fs = ctx->fs; |
Theodore Ts'o | f3db356 | 1997-04-26 13:34:30 +0000 | [diff] [blame] | 438 | blk_t end, save_blocks_count, i; |
Theodore Ts'o | 1b6bf17 | 1997-10-03 17:48:10 +0000 | [diff] [blame] | 439 | struct problem_context pctx; |
| 440 | |
| 441 | clear_problem_context(&pctx); |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 442 | |
Theodore Ts'o | f3db356 | 1997-04-26 13:34:30 +0000 | [diff] [blame] | 443 | end = fs->block_map->start + |
| 444 | (EXT2_BLOCKS_PER_GROUP(fs->super) * fs->group_desc_count) - 1; |
Theodore Ts'o | 1b6bf17 | 1997-10-03 17:48:10 +0000 | [diff] [blame] | 445 | pctx.errcode = ext2fs_fudge_block_bitmap_end(fs->block_map, end, |
| 446 | &save_blocks_count); |
| 447 | if (pctx.errcode) { |
| 448 | pctx.num = 3; |
| 449 | fix_problem(ctx, PR_5_FUDGE_BITMAP_ERROR, &pctx); |
Theodore Ts'o | 08b2130 | 1997-11-03 19:42:40 +0000 | [diff] [blame] | 450 | ctx->flags |= E2F_FLAG_ABORT; /* fatal */ |
| 451 | return; |
Theodore Ts'o | f3db356 | 1997-04-26 13:34:30 +0000 | [diff] [blame] | 452 | } |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 453 | if (save_blocks_count == end) |
| 454 | return; |
| 455 | |
Theodore Ts'o | f3db356 | 1997-04-26 13:34:30 +0000 | [diff] [blame] | 456 | for (i = save_blocks_count + 1; i <= end; i++) { |
| 457 | if (!ext2fs_test_block_bitmap(fs->block_map, i)) { |
Theodore Ts'o | 1b6bf17 | 1997-10-03 17:48:10 +0000 | [diff] [blame] | 458 | if (fix_problem(ctx, PR_5_BLOCK_BMAP_PADDING, &pctx)) { |
Theodore Ts'o | e79d1b2 | 1999-06-18 01:06:59 +0000 | [diff] [blame] | 459 | for (i = save_blocks_count + 1; i <= end; i++) |
Theodore Ts'o | f3db356 | 1997-04-26 13:34:30 +0000 | [diff] [blame] | 460 | ext2fs_mark_block_bitmap(fs->block_map, |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 461 | i); |
| 462 | ext2fs_mark_bb_dirty(fs); |
| 463 | } else |
| 464 | ext2fs_unmark_valid(fs); |
| 465 | break; |
| 466 | } |
| 467 | } |
| 468 | |
Theodore Ts'o | 1b6bf17 | 1997-10-03 17:48:10 +0000 | [diff] [blame] | 469 | pctx.errcode = ext2fs_fudge_block_bitmap_end(fs->block_map, |
| 470 | save_blocks_count, 0); |
| 471 | if (pctx.errcode) { |
| 472 | pctx.num = 4; |
| 473 | fix_problem(ctx, PR_5_FUDGE_BITMAP_ERROR, &pctx); |
Theodore Ts'o | 08b2130 | 1997-11-03 19:42:40 +0000 | [diff] [blame] | 474 | ctx->flags |= E2F_FLAG_ABORT; /* fatal */ |
| 475 | return; |
Theodore Ts'o | f3db356 | 1997-04-26 13:34:30 +0000 | [diff] [blame] | 476 | } |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 477 | } |
| 478 | |
Theodore Ts'o | 1b6bf17 | 1997-10-03 17:48:10 +0000 | [diff] [blame] | 479 | |
| 480 | |