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  • Committer: Bazaar Package Importer
  • Author(s): Yann Dirson
  • Date: 2002-03-21 23:58:48 UTC
  • Revision ID: james.westby@ubuntu.com-20020321235848-cmmy98hy0nihp922
Tags: upstream-1.27
Import upstream version 1.27

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e2fsck/pass5.c
 
1
/*
 
2
 * pass5.c --- check block and inode bitmaps against on-disk bitmaps
 
3
 * 
 
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%
 
10
 * 
 
11
 */
 
12
 
 
13
#include "e2fsck.h"
 
14
#include "problem.h"
 
15
 
 
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);
 
20
 
 
21
void e2fsck_pass5(e2fsck_t ctx)
 
22
{
 
23
#ifdef RESOURCE_TRACK
 
24
        struct resource_track   rtrack;
 
25
#endif
 
26
        struct problem_context  pctx;
 
27
        
 
28
#ifdef MTRACE
 
29
        mtrace_print("Pass 5");
 
30
#endif
 
31
 
 
32
#ifdef RESOURCE_TRACK
 
33
        init_resource_track(&rtrack);
 
34
#endif
 
35
        
 
36
        clear_problem_context(&pctx);
 
37
 
 
38
        if (!(ctx->options & E2F_OPT_PREEN))
 
39
                fix_problem(ctx, PR_5_PASS_HEADER, &pctx);
 
40
 
 
41
        if (ctx->progress)
 
42
                if ((ctx->progress)(ctx, 5, 0, ctx->fs->group_desc_count*2))
 
43
                        return;
 
44
 
 
45
        e2fsck_read_bitmaps(ctx);
 
46
 
 
47
        check_block_bitmaps(ctx);
 
48
        if (ctx->flags & E2F_FLAG_SIGNAL_MASK)
 
49
                return;
 
50
        check_inode_bitmaps(ctx);
 
51
        if (ctx->flags & E2F_FLAG_SIGNAL_MASK)
 
52
                return;
 
53
        check_inode_end(ctx);
 
54
        if (ctx->flags & E2F_FLAG_SIGNAL_MASK)
 
55
                return;
 
56
        check_block_end(ctx);
 
57
        if (ctx->flags & E2F_FLAG_SIGNAL_MASK)
 
58
                return;
 
59
 
 
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
 
 
67
#ifdef RESOURCE_TRACK
 
68
        if (ctx->options & E2F_OPT_TIME2) {
 
69
                e2fsck_clear_progbar(ctx);
 
70
                print_resource_track(_("Pass 5"), &rtrack);
 
71
        }
 
72
#endif
 
73
}
 
74
 
 
75
#define NO_BLK ((blk_t) -1)
 
76
 
 
77
static void print_bitmap_problem(e2fsck_t ctx, int problem,
 
78
                            struct problem_context *pctx)
 
79
{
 
80
        switch (problem) {
 
81
        case PR_5_BLOCK_UNUSED:
 
82
                if (pctx->blk == pctx->blk2)
 
83
                        pctx->blk2 = 0;
 
84
                else
 
85
                        problem = PR_5_BLOCK_RANGE_UNUSED;
 
86
                break;
 
87
        case PR_5_BLOCK_USED:
 
88
                if (pctx->blk == pctx->blk2)
 
89
                        pctx->blk2 = 0;
 
90
                else
 
91
                        problem = PR_5_BLOCK_RANGE_USED;
 
92
                break;
 
93
        case PR_5_INODE_UNUSED:
 
94
                if (pctx->ino == pctx->ino2)
 
95
                        pctx->ino2 = 0;
 
96
                else
 
97
                        problem = PR_5_INODE_RANGE_UNUSED;
 
98
                break;
 
99
        case PR_5_INODE_USED:
 
100
                if (pctx->ino == pctx->ino2)
 
101
                        pctx->ino2 = 0;
 
102
                else
 
103
                        problem = PR_5_INODE_RANGE_USED;
 
104
                break;
 
105
        }
 
106
        fix_problem(ctx, problem, pctx);
 
107
        pctx->blk = pctx->blk2 = NO_BLK;
 
108
        pctx->ino = pctx->ino2 = 0;
 
109
}
 
110
        
 
111
static void check_block_bitmaps(e2fsck_t ctx)
 
112
{
 
113
        ext2_filsys fs = ctx->fs;
 
114
        blk_t   i;
 
115
        int     *free_array;
 
116
        int     group = 0;
 
117
        int     blocks = 0;
 
118
        int     free_blocks = 0;
 
119
        int     group_free = 0;
 
120
        int     actual, bitmap;
 
121
        struct problem_context  pctx;
 
122
        int     problem, save_problem, fixit, had_problem;
 
123
        errcode_t       retval;
 
124
        
 
125
        clear_problem_context(&pctx);
 
126
        free_array = (int *) e2fsck_allocate_memory(ctx,
 
127
            fs->group_desc_count * sizeof(int), "free block count array");
 
128
 
 
129
        if ((fs->super->s_first_data_block <
 
130
             ext2fs_get_block_bitmap_start(ctx->block_found_map)) ||
 
131
            (fs->super->s_blocks_count-1 >
 
132
             ext2fs_get_block_bitmap_end(ctx->block_found_map))) {
 
133
                pctx.num = 1;
 
134
                pctx.blk = fs->super->s_first_data_block;
 
135
                pctx.blk2 = fs->super->s_blocks_count -1;
 
136
                pctx.ino = ext2fs_get_block_bitmap_start(ctx->block_found_map);
 
137
                pctx.ino2 = ext2fs_get_block_bitmap_end(ctx->block_found_map);
 
138
                fix_problem(ctx, PR_5_BMAP_ENDPOINTS, &pctx);
 
139
 
 
140
                ctx->flags |= E2F_FLAG_ABORT; /* fatal */
 
141
                return;
 
142
        }
 
143
                       
 
144
        if ((fs->super->s_first_data_block <
 
145
             ext2fs_get_block_bitmap_start(fs->block_map)) ||
 
146
            (fs->super->s_blocks_count-1 >
 
147
             ext2fs_get_block_bitmap_end(fs->block_map))) {
 
148
                pctx.num = 2;
 
149
                pctx.blk = fs->super->s_first_data_block;
 
150
                pctx.blk2 = fs->super->s_blocks_count -1;
 
151
                pctx.ino = ext2fs_get_block_bitmap_start(fs->block_map);
 
152
                pctx.ino2 = ext2fs_get_block_bitmap_end(fs->block_map);
 
153
                fix_problem(ctx, PR_5_BMAP_ENDPOINTS, &pctx);
 
154
 
 
155
                ctx->flags |= E2F_FLAG_ABORT; /* fatal */
 
156
                return;
 
157
        }
 
158
                       
 
159
redo_counts:
 
160
        had_problem = 0;
 
161
        save_problem = 0;
 
162
        pctx.blk = pctx.blk2 = NO_BLK;
 
163
        for (i = fs->super->s_first_data_block;
 
164
             i < fs->super->s_blocks_count;
 
165
             i++) {
 
166
                actual = ext2fs_fast_test_block_bitmap(ctx->block_found_map, i);
 
167
                bitmap = ext2fs_fast_test_block_bitmap(fs->block_map, i);
 
168
                
 
169
                if (actual == bitmap)
 
170
                        goto do_counts;
 
171
                
 
172
                if (!actual && bitmap) {
 
173
                        /*
 
174
                         * Block not used, but marked in use in the bitmap.
 
175
                         */
 
176
                        problem = PR_5_BLOCK_UNUSED;
 
177
                } else {
 
178
                        /*
 
179
                         * Block used, but not marked in use in the bitmap.
 
180
                         */
 
181
                        problem = PR_5_BLOCK_USED;
 
182
                }
 
183
                if (pctx.blk == NO_BLK) {
 
184
                        pctx.blk = pctx.blk2 = i;
 
185
                        save_problem = problem;
 
186
                } else {
 
187
                        if ((problem == save_problem) &&
 
188
                            (pctx.blk2 == i-1))
 
189
                                pctx.blk2++;
 
190
                        else {
 
191
                                print_bitmap_problem(ctx, save_problem, &pctx);
 
192
                                pctx.blk = pctx.blk2 = i;
 
193
                                save_problem = problem;
 
194
                        }
 
195
                }
 
196
                ctx->flags |= E2F_FLAG_PROG_SUPPRESS;
 
197
                had_problem++;
 
198
                
 
199
        do_counts:
 
200
                if (!bitmap) {
 
201
                        group_free++;
 
202
                        free_blocks++;
 
203
                }
 
204
                blocks ++;
 
205
                if ((blocks == fs->super->s_blocks_per_group) ||
 
206
                    (i == fs->super->s_blocks_count-1)) {
 
207
                        free_array[group] = group_free;
 
208
                        group ++;
 
209
                        blocks = 0;
 
210
                        group_free = 0;
 
211
                        if (ctx->progress)
 
212
                                if ((ctx->progress)(ctx, 5, group,
 
213
                                                    fs->group_desc_count*2))
 
214
                                        return;
 
215
                }
 
216
        }
 
217
        if (pctx.blk != NO_BLK)
 
218
                print_bitmap_problem(ctx, save_problem, &pctx);
 
219
        if (had_problem)
 
220
                fixit = end_problem_latch(ctx, PR_LATCH_BBITMAP);
 
221
        else
 
222
                fixit = -1;
 
223
        ctx->flags &= ~E2F_FLAG_PROG_SUPPRESS;
 
224
        
 
225
        if (fixit == 1) {
 
226
                ext2fs_free_block_bitmap(fs->block_map);
 
227
                retval = ext2fs_copy_bitmap(ctx->block_found_map,
 
228
                                                  &fs->block_map);
 
229
                if (retval) {
 
230
                        clear_problem_context(&pctx);
 
231
                        fix_problem(ctx, PR_5_COPY_BBITMAP_ERROR, &pctx);
 
232
                        ctx->flags |= E2F_FLAG_ABORT;
 
233
                        return;
 
234
                }
 
235
                ext2fs_set_bitmap_padding(fs->block_map);
 
236
                ext2fs_mark_bb_dirty(fs);
 
237
                
 
238
                /* Redo the counts */
 
239
                blocks = 0; free_blocks = 0; group_free = 0; group = 0;
 
240
                memset(free_array, 0, fs->group_desc_count * sizeof(int));
 
241
                goto redo_counts;
 
242
        } else if (fixit == 0)
 
243
                ext2fs_unmark_valid(fs);
 
244
 
 
245
        for (i = 0; i < fs->group_desc_count; i++) {
 
246
                if (free_array[i] != fs->group_desc[i].bg_free_blocks_count) {
 
247
                        pctx.group = i;
 
248
                        pctx.blk = fs->group_desc[i].bg_free_blocks_count;
 
249
                        pctx.blk2 = free_array[i];
 
250
 
 
251
                        if (fix_problem(ctx, PR_5_FREE_BLOCK_COUNT_GROUP,
 
252
                                        &pctx)) {
 
253
                                fs->group_desc[i].bg_free_blocks_count =
 
254
                                        free_array[i];
 
255
                                ext2fs_mark_super_dirty(fs);
 
256
                        } else
 
257
                                ext2fs_unmark_valid(fs);
 
258
                }
 
259
        }
 
260
        if (free_blocks != fs->super->s_free_blocks_count) {
 
261
                pctx.group = 0;
 
262
                pctx.blk = fs->super->s_free_blocks_count;
 
263
                pctx.blk2 = free_blocks;
 
264
 
 
265
                if (fix_problem(ctx, PR_5_FREE_BLOCK_COUNT, &pctx)) {
 
266
                        fs->super->s_free_blocks_count = free_blocks;
 
267
                        ext2fs_mark_super_dirty(fs);
 
268
                } else
 
269
                        ext2fs_unmark_valid(fs);
 
270
        }
 
271
        ext2fs_free_mem((void **) &free_array);
 
272
}
 
273
                        
 
274
static void check_inode_bitmaps(e2fsck_t ctx)
 
275
{
 
276
        ext2_filsys fs = ctx->fs;
 
277
        ext2_ino_t      i;
 
278
        int     free_inodes = 0;
 
279
        int     group_free = 0;
 
280
        int     dirs_count = 0;
 
281
        int     group = 0;
 
282
        int     inodes = 0;
 
283
        int     *free_array;
 
284
        int     *dir_array;
 
285
        int     actual, bitmap;
 
286
        errcode_t       retval;
 
287
        struct problem_context  pctx;
 
288
        int     problem, save_problem, fixit, had_problem;
 
289
        
 
290
        clear_problem_context(&pctx);
 
291
        free_array = (int *) e2fsck_allocate_memory(ctx,
 
292
            fs->group_desc_count * sizeof(int), "free inode count array");
 
293
                                     
 
294
        dir_array = (int *) e2fsck_allocate_memory(ctx,
 
295
           fs->group_desc_count * sizeof(int), "directory count array");
 
296
                                     
 
297
        if ((1 < ext2fs_get_inode_bitmap_start(ctx->inode_used_map)) ||
 
298
            (fs->super->s_inodes_count > 
 
299
             ext2fs_get_inode_bitmap_end(ctx->inode_used_map))) {
 
300
                pctx.num = 3;
 
301
                pctx.blk = 1;
 
302
                pctx.blk2 = fs->super->s_inodes_count;
 
303
                pctx.ino = ext2fs_get_inode_bitmap_start(ctx->inode_used_map);
 
304
                pctx.ino2 = ext2fs_get_inode_bitmap_end(ctx->inode_used_map);
 
305
                fix_problem(ctx, PR_5_BMAP_ENDPOINTS, &pctx);
 
306
 
 
307
                ctx->flags |= E2F_FLAG_ABORT; /* fatal */
 
308
                return;
 
309
        }
 
310
        if ((1 < ext2fs_get_inode_bitmap_start(fs->inode_map)) ||
 
311
            (fs->super->s_inodes_count > 
 
312
             ext2fs_get_inode_bitmap_end(fs->inode_map))) {
 
313
                pctx.num = 4;
 
314
                pctx.blk = 1;
 
315
                pctx.blk2 = fs->super->s_inodes_count;
 
316
                pctx.ino = ext2fs_get_inode_bitmap_start(fs->inode_map);
 
317
                pctx.ino2 = ext2fs_get_inode_bitmap_end(fs->inode_map);
 
318
                fix_problem(ctx, PR_5_BMAP_ENDPOINTS, &pctx);
 
319
 
 
320
                ctx->flags |= E2F_FLAG_ABORT; /* fatal */
 
321
                return;
 
322
        }
 
323
 
 
324
redo_counts:
 
325
        had_problem = 0;
 
326
        save_problem = 0;
 
327
        pctx.ino = pctx.ino2 = 0;
 
328
        for (i = 1; i <= fs->super->s_inodes_count; i++) {
 
329
                actual = ext2fs_fast_test_inode_bitmap(ctx->inode_used_map, i);
 
330
                bitmap = ext2fs_fast_test_inode_bitmap(fs->inode_map, i);
 
331
                
 
332
                if (actual == bitmap)
 
333
                        goto do_counts;
 
334
                
 
335
                if (!actual && bitmap) {
 
336
                        /*
 
337
                         * Inode wasn't used, but marked in bitmap
 
338
                         */
 
339
                        problem = PR_5_INODE_UNUSED;
 
340
                } else /* if (actual && !bitmap) */ {
 
341
                        /*
 
342
                         * Inode used, but not in bitmap
 
343
                         */
 
344
                        problem = PR_5_INODE_USED;
 
345
                }
 
346
                if (pctx.ino == 0) {
 
347
                        pctx.ino = pctx.ino2 = i;
 
348
                        save_problem = problem;
 
349
                } else {
 
350
                        if ((problem == save_problem) &&
 
351
                            (pctx.ino2 == i-1))
 
352
                                pctx.ino2++;
 
353
                        else {
 
354
                                print_bitmap_problem(ctx, save_problem, &pctx);
 
355
                                pctx.ino = pctx.ino2 = i;
 
356
                                save_problem = problem;
 
357
                        }
 
358
                }
 
359
                ctx->flags |= E2F_FLAG_PROG_SUPPRESS;
 
360
                had_problem++;
 
361
                
 
362
do_counts:
 
363
                if (!bitmap) {
 
364
                        group_free++;
 
365
                        free_inodes++;
 
366
                } else {
 
367
                        if (ext2fs_test_inode_bitmap(ctx->inode_dir_map, i))
 
368
                                dirs_count++;
 
369
                }
 
370
                inodes++;
 
371
                if ((inodes == fs->super->s_inodes_per_group) ||
 
372
                    (i == fs->super->s_inodes_count)) {
 
373
                        free_array[group] = group_free;
 
374
                        dir_array[group] = dirs_count;
 
375
                        group ++;
 
376
                        inodes = 0;
 
377
                        group_free = 0;
 
378
                        dirs_count = 0;
 
379
                        if (ctx->progress)
 
380
                                if ((ctx->progress)(ctx, 5,
 
381
                                            group + fs->group_desc_count,
 
382
                                            fs->group_desc_count*2))
 
383
                                        return;
 
384
                }
 
385
        }
 
386
        if (pctx.ino)
 
387
                print_bitmap_problem(ctx, save_problem, &pctx);
 
388
        
 
389
        if (had_problem)
 
390
                fixit = end_problem_latch(ctx, PR_LATCH_IBITMAP);
 
391
        else
 
392
                fixit = -1;
 
393
        ctx->flags &= ~E2F_FLAG_PROG_SUPPRESS;
 
394
        
 
395
        if (fixit == 1) {
 
396
                ext2fs_free_inode_bitmap(fs->inode_map);
 
397
                retval = ext2fs_copy_bitmap(ctx->inode_used_map,
 
398
                                                  &fs->inode_map);
 
399
                if (retval) {
 
400
                        clear_problem_context(&pctx);
 
401
                        fix_problem(ctx, PR_5_COPY_IBITMAP_ERROR, &pctx);
 
402
                        ctx->flags |= E2F_FLAG_ABORT;
 
403
                        return;
 
404
                }
 
405
                ext2fs_set_bitmap_padding(fs->inode_map);
 
406
                ext2fs_mark_ib_dirty(fs);
 
407
 
 
408
                /* redo counts */
 
409
                inodes = 0; free_inodes = 0; group_free = 0;
 
410
                dirs_count = 0; group = 0;
 
411
                memset(free_array, 0, fs->group_desc_count * sizeof(int));
 
412
                memset(dir_array, 0, fs->group_desc_count * sizeof(int));
 
413
                goto redo_counts;
 
414
        } else if (fixit == 0)
 
415
                ext2fs_unmark_valid(fs);
 
416
        
 
417
        for (i = 0; i < fs->group_desc_count; i++) {
 
418
                if (free_array[i] != fs->group_desc[i].bg_free_inodes_count) {
 
419
                        pctx.group = i;
 
420
                        pctx.ino = fs->group_desc[i].bg_free_inodes_count;
 
421
                        pctx.ino2 = free_array[i];
 
422
                        if (fix_problem(ctx, PR_5_FREE_INODE_COUNT_GROUP,
 
423
                                        &pctx)) {
 
424
                                fs->group_desc[i].bg_free_inodes_count =
 
425
                                        free_array[i];
 
426
                                ext2fs_mark_super_dirty(fs);
 
427
                        } else
 
428
                                ext2fs_unmark_valid(fs);
 
429
                }
 
430
                if (dir_array[i] != fs->group_desc[i].bg_used_dirs_count) {
 
431
                        pctx.group = i;
 
432
                        pctx.ino = fs->group_desc[i].bg_used_dirs_count;
 
433
                        pctx.ino2 = dir_array[i];
 
434
 
 
435
                        if (fix_problem(ctx, PR_5_FREE_DIR_COUNT_GROUP,
 
436
                                        &pctx)) {
 
437
                                fs->group_desc[i].bg_used_dirs_count =
 
438
                                        dir_array[i];
 
439
                                ext2fs_mark_super_dirty(fs);
 
440
                        } else
 
441
                                ext2fs_unmark_valid(fs);
 
442
                }
 
443
        }
 
444
        if (free_inodes != fs->super->s_free_inodes_count) {
 
445
                pctx.group = -1;
 
446
                pctx.ino = fs->super->s_free_inodes_count;
 
447
                pctx.ino2 = free_inodes;
 
448
 
 
449
                if (fix_problem(ctx, PR_5_FREE_INODE_COUNT, &pctx)) {
 
450
                        fs->super->s_free_inodes_count = free_inodes;
 
451
                        ext2fs_mark_super_dirty(fs);
 
452
                } else
 
453
                        ext2fs_unmark_valid(fs);
 
454
        }
 
455
        ext2fs_free_mem((void **) &free_array);
 
456
        ext2fs_free_mem((void **) &dir_array);
 
457
}
 
458
 
 
459
static void check_inode_end(e2fsck_t ctx)
 
460
{
 
461
        ext2_filsys fs = ctx->fs;
 
462
        ext2_ino_t      end, save_inodes_count, i;
 
463
        struct problem_context  pctx;
 
464
 
 
465
        clear_problem_context(&pctx);
 
466
 
 
467
        end = EXT2_INODES_PER_GROUP(fs->super) * fs->group_desc_count;
 
468
        pctx.errcode = ext2fs_fudge_inode_bitmap_end(fs->inode_map, end,
 
469
                                                     &save_inodes_count);
 
470
        if (pctx.errcode) {
 
471
                pctx.num = 1;
 
472
                fix_problem(ctx, PR_5_FUDGE_BITMAP_ERROR, &pctx);
 
473
                ctx->flags |= E2F_FLAG_ABORT; /* fatal */
 
474
                return;
 
475
        }
 
476
        if (save_inodes_count == end)
 
477
                return;
 
478
        
 
479
        for (i = save_inodes_count + 1; i <= end; i++) {
 
480
                if (!ext2fs_test_inode_bitmap(fs->inode_map, i)) {
 
481
                        if (fix_problem(ctx, PR_5_INODE_BMAP_PADDING, &pctx)) {
 
482
                                for (i = save_inodes_count + 1; i <= end; i++)
 
483
                                        ext2fs_mark_inode_bitmap(fs->inode_map,
 
484
                                                                 i);
 
485
                                ext2fs_mark_ib_dirty(fs);
 
486
                        } else
 
487
                                ext2fs_unmark_valid(fs);
 
488
                        break;
 
489
                }
 
490
        }
 
491
 
 
492
        pctx.errcode = ext2fs_fudge_inode_bitmap_end(fs->inode_map,
 
493
                                                     save_inodes_count, 0);
 
494
        if (pctx.errcode) {
 
495
                pctx.num = 2;
 
496
                fix_problem(ctx, PR_5_FUDGE_BITMAP_ERROR, &pctx);
 
497
                ctx->flags |= E2F_FLAG_ABORT; /* fatal */
 
498
                return;
 
499
        }
 
500
}
 
501
 
 
502
static void check_block_end(e2fsck_t ctx)
 
503
{
 
504
        ext2_filsys fs = ctx->fs;
 
505
        blk_t   end, save_blocks_count, i;
 
506
        struct problem_context  pctx;
 
507
 
 
508
        clear_problem_context(&pctx);
 
509
 
 
510
        end = fs->block_map->start +
 
511
                (EXT2_BLOCKS_PER_GROUP(fs->super) * fs->group_desc_count) - 1;
 
512
        pctx.errcode = ext2fs_fudge_block_bitmap_end(fs->block_map, end,
 
513
                                                     &save_blocks_count);
 
514
        if (pctx.errcode) {
 
515
                pctx.num = 3;
 
516
                fix_problem(ctx, PR_5_FUDGE_BITMAP_ERROR, &pctx);
 
517
                ctx->flags |= E2F_FLAG_ABORT; /* fatal */
 
518
                return;
 
519
        }
 
520
        if (save_blocks_count == end)
 
521
                return;
 
522
        
 
523
        for (i = save_blocks_count + 1; i <= end; i++) {
 
524
                if (!ext2fs_test_block_bitmap(fs->block_map, i)) {
 
525
                        if (fix_problem(ctx, PR_5_BLOCK_BMAP_PADDING, &pctx)) {
 
526
                                for (i = save_blocks_count + 1; i <= end; i++)
 
527
                                        ext2fs_mark_block_bitmap(fs->block_map,
 
528
                                                                 i);
 
529
                                ext2fs_mark_bb_dirty(fs);
 
530
                        } else
 
531
                                ext2fs_unmark_valid(fs);
 
532
                        break;
 
533
                }
 
534
        }
 
535
 
 
536
        pctx.errcode = ext2fs_fudge_block_bitmap_end(fs->block_map,
 
537
                                                     save_blocks_count, 0);
 
538
        if (pctx.errcode) {
 
539
                pctx.num = 4;
 
540
                fix_problem(ctx, PR_5_FUDGE_BITMAP_ERROR, &pctx);
 
541
                ctx->flags |= E2F_FLAG_ABORT; /* fatal */
 
542
                return;
 
543
        }
 
544
}
 
545
 
 
546
 
 
547