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Commit | Line | Data |
---|---|---|
3839e657 TT |
1 | /* |
2 | * pass5.c --- check block and inode bitmaps against on-disk bitmaps | |
efc6f628 | 3 | * |
21c84b71 TT |
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% | |
efc6f628 | 10 | * |
3839e657 TT |
11 | */ |
12 | ||
d1154eb4 | 13 | #include "config.h" |
efa1a355 LC |
14 | #include <stdint.h> |
15 | #include <sys/types.h> | |
16 | #include <sys/stat.h> | |
17 | #include <sys/ioctl.h> | |
18 | #include <fcntl.h> | |
19 | #include <errno.h> | |
20 | ||
3839e657 | 21 | #include "e2fsck.h" |
1b6bf175 | 22 | #include "problem.h" |
3839e657 | 23 | |
efa1a355 LC |
24 | #define DIV_ROUND_UP(n,d) (((n) + (d) - 1) / (d)) |
25 | ||
1b6bf175 TT |
26 | static void check_block_bitmaps(e2fsck_t ctx); |
27 | static void check_inode_bitmaps(e2fsck_t ctx); | |
28 | static void check_inode_end(e2fsck_t ctx); | |
29 | static void check_block_end(e2fsck_t ctx); | |
11ac780e | 30 | static void check_inode_bitmap_checksum(e2fsck_t ctx); |
da670fe0 | 31 | static void check_block_bitmap_checksum(e2fsck_t ctx); |
3839e657 | 32 | |
08b21301 | 33 | void e2fsck_pass5(e2fsck_t ctx) |
3839e657 | 34 | { |
8bf191e8 | 35 | #ifdef RESOURCE_TRACK |
3839e657 | 36 | struct resource_track rtrack; |
8bf191e8 | 37 | #endif |
1b6bf175 | 38 | struct problem_context pctx; |
efc6f628 | 39 | |
3839e657 TT |
40 | #ifdef MTRACE |
41 | mtrace_print("Pass 5"); | |
42 | #endif | |
43 | ||
6d96b00d | 44 | init_resource_track(&rtrack, ctx->fs->io); |
1b6bf175 | 45 | clear_problem_context(&pctx); |
3839e657 | 46 | |
1b6bf175 TT |
47 | if (!(ctx->options & E2F_OPT_PREEN)) |
48 | fix_problem(ctx, PR_5_PASS_HEADER, &pctx); | |
3839e657 | 49 | |
f8188fff | 50 | if (ctx->progress) |
efac9a1b | 51 | if ((ctx->progress)(ctx, 5, 0, ctx->fs->group_desc_count*2)) |
a02ce9df | 52 | return; |
f8188fff TT |
53 | |
54 | e2fsck_read_bitmaps(ctx); | |
55 | ||
1b6bf175 | 56 | check_block_bitmaps(ctx); |
a02ce9df | 57 | if (ctx->flags & E2F_FLAG_SIGNAL_MASK) |
08b21301 | 58 | return; |
1b6bf175 | 59 | check_inode_bitmaps(ctx); |
a02ce9df | 60 | if (ctx->flags & E2F_FLAG_SIGNAL_MASK) |
08b21301 | 61 | return; |
1b6bf175 | 62 | check_inode_end(ctx); |
a02ce9df | 63 | if (ctx->flags & E2F_FLAG_SIGNAL_MASK) |
08b21301 | 64 | return; |
1b6bf175 | 65 | check_block_end(ctx); |
a02ce9df | 66 | if (ctx->flags & E2F_FLAG_SIGNAL_MASK) |
08b21301 | 67 | return; |
3839e657 | 68 | |
11ac780e | 69 | check_inode_bitmap_checksum(ctx); |
da670fe0 | 70 | check_block_bitmap_checksum(ctx); |
11ac780e | 71 | |
1b6bf175 TT |
72 | ext2fs_free_inode_bitmap(ctx->inode_used_map); |
73 | ctx->inode_used_map = 0; | |
74 | ext2fs_free_inode_bitmap(ctx->inode_dir_map); | |
75 | ctx->inode_dir_map = 0; | |
76 | ext2fs_free_block_bitmap(ctx->block_found_map); | |
77 | ctx->block_found_map = 0; | |
35c8faaf DW |
78 | ext2fs_free_block_bitmap(ctx->block_metadata_map); |
79 | ctx->block_metadata_map = 0; | |
1b6bf175 | 80 | |
9facd076 | 81 | print_resource_track(ctx, _("Pass 5"), &rtrack, ctx->fs->io); |
3839e657 TT |
82 | } |
83 | ||
11ac780e DW |
84 | static void check_inode_bitmap_checksum(e2fsck_t ctx) |
85 | { | |
86 | struct problem_context pctx; | |
11ac780e DW |
87 | char *buf; |
88 | dgrp_t i; | |
89 | int nbytes; | |
90 | ext2_ino_t ino_itr; | |
91 | errcode_t retval; | |
92 | ||
93 | if (!EXT2_HAS_RO_COMPAT_FEATURE(ctx->fs->super, | |
94 | EXT4_FEATURE_RO_COMPAT_METADATA_CSUM)) | |
95 | return; | |
96 | ||
97 | /* If bitmap is dirty from being fixed, checksum will be corrected */ | |
98 | if (ext2fs_test_ib_dirty(ctx->fs)) | |
99 | return; | |
100 | ||
101 | nbytes = (size_t)(EXT2_INODES_PER_GROUP(ctx->fs->super) / 8); | |
102 | retval = ext2fs_get_memalign(ctx->fs->blocksize, ctx->fs->blocksize, | |
103 | &buf); | |
104 | if (retval) { | |
bbccc6f3 | 105 | com_err(ctx->program_name, 0, "%s", |
11ac780e DW |
106 | _("check_inode_bitmap_checksum: Memory allocation error")); |
107 | fatal_error(ctx, 0); | |
108 | } | |
109 | ||
110 | clear_problem_context(&pctx); | |
111 | for (i = 0; i < ctx->fs->group_desc_count; i++) { | |
112 | if (ext2fs_bg_flags_test(ctx->fs, i, EXT2_BG_INODE_UNINIT)) | |
113 | continue; | |
114 | ||
115 | ino_itr = 1 + (i * (nbytes << 3)); | |
11ac780e DW |
116 | retval = ext2fs_get_inode_bitmap_range2(ctx->fs->inode_map, |
117 | ino_itr, nbytes << 3, | |
118 | buf); | |
119 | if (retval) | |
120 | break; | |
121 | ||
122 | if (ext2fs_inode_bitmap_csum_verify(ctx->fs, i, buf, nbytes)) | |
123 | continue; | |
124 | pctx.group = i; | |
125 | if (!fix_problem(ctx, PR_5_INODE_BITMAP_CSUM_INVALID, &pctx)) | |
126 | continue; | |
127 | ||
128 | /* | |
129 | * Fixing one checksum will rewrite all of them. The bitmap | |
130 | * will be checked against the one we made during pass1 for | |
131 | * discrepancies, and fixed if need be. | |
132 | */ | |
133 | ext2fs_mark_ib_dirty(ctx->fs); | |
134 | break; | |
135 | } | |
136 | ||
137 | ext2fs_free_mem(&buf); | |
138 | } | |
139 | ||
da670fe0 DW |
140 | static void check_block_bitmap_checksum(e2fsck_t ctx) |
141 | { | |
142 | struct problem_context pctx; | |
da670fe0 DW |
143 | char *buf; |
144 | dgrp_t i; | |
145 | int nbytes; | |
146 | blk64_t blk_itr; | |
147 | errcode_t retval; | |
148 | ||
149 | if (!EXT2_HAS_RO_COMPAT_FEATURE(ctx->fs->super, | |
150 | EXT4_FEATURE_RO_COMPAT_METADATA_CSUM)) | |
151 | return; | |
152 | ||
153 | /* If bitmap is dirty from being fixed, checksum will be corrected */ | |
154 | if (ext2fs_test_bb_dirty(ctx->fs)) | |
155 | return; | |
156 | ||
157 | nbytes = (size_t)(EXT2_CLUSTERS_PER_GROUP(ctx->fs->super) / 8); | |
158 | retval = ext2fs_get_memalign(ctx->fs->blocksize, ctx->fs->blocksize, | |
159 | &buf); | |
160 | if (retval) { | |
bbccc6f3 | 161 | com_err(ctx->program_name, 0, "%s", |
da670fe0 DW |
162 | _("check_block_bitmap_checksum: Memory allocation error")); |
163 | fatal_error(ctx, 0); | |
164 | } | |
165 | ||
166 | clear_problem_context(&pctx); | |
167 | for (i = 0; i < ctx->fs->group_desc_count; i++) { | |
168 | if (ext2fs_bg_flags_test(ctx->fs, i, EXT2_BG_BLOCK_UNINIT)) | |
169 | continue; | |
170 | ||
171 | blk_itr = EXT2FS_B2C(ctx->fs, | |
172 | ctx->fs->super->s_first_data_block) + | |
2db19bce | 173 | ((blk64_t) i * (nbytes << 3)); |
da670fe0 DW |
174 | retval = ext2fs_get_block_bitmap_range2(ctx->fs->block_map, |
175 | blk_itr, nbytes << 3, | |
176 | buf); | |
177 | if (retval) | |
178 | break; | |
179 | ||
180 | if (ext2fs_block_bitmap_csum_verify(ctx->fs, i, buf, nbytes)) | |
181 | continue; | |
182 | pctx.group = i; | |
183 | if (!fix_problem(ctx, PR_5_BLOCK_BITMAP_CSUM_INVALID, &pctx)) | |
184 | continue; | |
185 | ||
186 | /* | |
187 | * Fixing one checksum will rewrite all of them. The bitmap | |
188 | * will be checked against the one we made during pass1 for | |
189 | * discrepancies, and fixed if need be. | |
190 | */ | |
191 | ext2fs_mark_bb_dirty(ctx->fs); | |
192 | break; | |
193 | } | |
194 | ||
195 | ext2fs_free_mem(&buf); | |
196 | } | |
197 | ||
46795326 LC |
198 | static void e2fsck_discard_blocks(e2fsck_t ctx, blk64_t start, |
199 | blk64_t count) | |
efa1a355 LC |
200 | { |
201 | ext2_filsys fs = ctx->fs; | |
efa1a355 LC |
202 | |
203 | /* | |
204 | * If the filesystem has changed it means that there was an corruption | |
205 | * which should be repaired, but in some cases just one e2fsck run is | |
206 | * not enough to fix the problem, hence it is not safe to run discard | |
207 | * in this case. | |
208 | */ | |
46795326 | 209 | if (ext2fs_test_changed(fs)) |
efa1a355 LC |
210 | ctx->options &= ~E2F_OPT_DISCARD; |
211 | ||
f0fe5dae | 212 | if ((ctx->options & E2F_OPT_DISCARD) && |
efa1a355 LC |
213 | (io_channel_discard(fs->io, start, count))) |
214 | ctx->options &= ~E2F_OPT_DISCARD; | |
215 | } | |
216 | ||
57581c10 LC |
217 | /* |
218 | * This will try to discard number 'count' inodes starting at | |
219 | * inode number 'start' within the 'group'. Note that 'start' | |
220 | * is 1-based, it means that we need to adjust it by -1 in this | |
221 | * function to compute right offset in the particular inode table. | |
222 | */ | |
e64e6761 TT |
223 | static void e2fsck_discard_inodes(e2fsck_t ctx, dgrp_t group, |
224 | ext2_ino_t start, int count) | |
57581c10 LC |
225 | { |
226 | ext2_filsys fs = ctx->fs; | |
227 | blk64_t blk, num; | |
57581c10 LC |
228 | |
229 | /* | |
230 | * Sanity check for 'start' | |
231 | */ | |
232 | if ((start < 1) || (start > EXT2_INODES_PER_GROUP(fs->super))) { | |
233 | printf("PROGRAMMING ERROR: Got start %d outside of group %d!" | |
234 | " Disabling discard\n", | |
235 | start, group); | |
236 | ctx->options &= ~E2F_OPT_DISCARD; | |
237 | } | |
238 | ||
c15386cd LC |
239 | /* |
240 | * Do not attempt to discard if E2F_OPT_DISCARD is not set. And also | |
241 | * skip the discard on this group if discard does not zero data. | |
242 | * The reason is that if the inode table is not zeroed discard would | |
243 | * no help us since we need to zero it anyway, or if the inode table | |
244 | * is zeroed then the read after discard would not be deterministic | |
245 | * anyway and we would not be able to assume that this inode table | |
246 | * was zeroed anymore so we would have to zero it again, which does | |
247 | * not really make sense. | |
248 | */ | |
249 | if (!(ctx->options & E2F_OPT_DISCARD) || | |
250 | !io_channel_discard_zeroes_data(fs->io)) | |
57581c10 LC |
251 | return; |
252 | ||
253 | /* | |
254 | * Start is inode number within the group which starts | |
255 | * counting from 1, so we need to adjust it. | |
256 | */ | |
257 | start -= 1; | |
258 | ||
259 | /* | |
260 | * We can discard only blocks containing only unused | |
261 | * inodes in the table. | |
262 | */ | |
263 | blk = DIV_ROUND_UP(start, | |
264 | EXT2_INODES_PER_BLOCK(fs->super)); | |
265 | count -= (blk * EXT2_INODES_PER_BLOCK(fs->super) - start); | |
266 | blk += ext2fs_inode_table_loc(fs, group); | |
267 | num = count / EXT2_INODES_PER_BLOCK(fs->super); | |
268 | ||
269 | if (num > 0) | |
46795326 | 270 | e2fsck_discard_blocks(ctx, blk, num); |
57581c10 LC |
271 | } |
272 | ||
6dc64392 | 273 | #define NO_BLK ((blk64_t) -1) |
f122632e | 274 | |
3c7c6d73 | 275 | static void print_bitmap_problem(e2fsck_t ctx, problem_t problem, |
f122632e TT |
276 | struct problem_context *pctx) |
277 | { | |
278 | switch (problem) { | |
279 | case PR_5_BLOCK_UNUSED: | |
280 | if (pctx->blk == pctx->blk2) | |
281 | pctx->blk2 = 0; | |
282 | else | |
283 | problem = PR_5_BLOCK_RANGE_UNUSED; | |
284 | break; | |
285 | case PR_5_BLOCK_USED: | |
286 | if (pctx->blk == pctx->blk2) | |
287 | pctx->blk2 = 0; | |
288 | else | |
289 | problem = PR_5_BLOCK_RANGE_USED; | |
290 | break; | |
291 | case PR_5_INODE_UNUSED: | |
292 | if (pctx->ino == pctx->ino2) | |
293 | pctx->ino2 = 0; | |
294 | else | |
295 | problem = PR_5_INODE_RANGE_UNUSED; | |
296 | break; | |
297 | case PR_5_INODE_USED: | |
298 | if (pctx->ino == pctx->ino2) | |
299 | pctx->ino2 = 0; | |
300 | else | |
301 | problem = PR_5_INODE_RANGE_USED; | |
302 | break; | |
303 | } | |
304 | fix_problem(ctx, problem, pctx); | |
305 | pctx->blk = pctx->blk2 = NO_BLK; | |
306 | pctx->ino = pctx->ino2 = 0; | |
307 | } | |
49e2df29 | 308 | |
3385a254 TT |
309 | /* Just to be more succint */ |
310 | #define B2C(x) EXT2FS_B2C(fs, (x)) | |
311 | #define EQ_CLSTR(x, y) (B2C(x) == B2C(y)) | |
312 | #define LE_CLSTR(x, y) (B2C(x) <= B2C(y)) | |
313 | #define GE_CLSTR(x, y) (B2C(x) >= B2C(y)) | |
314 | ||
1b6bf175 | 315 | static void check_block_bitmaps(e2fsck_t ctx) |
3839e657 | 316 | { |
1b6bf175 | 317 | ext2_filsys fs = ctx->fs; |
20f2ccb3 | 318 | blk64_t i; |
e64e6761 | 319 | unsigned int *free_array; |
3971bfe8 | 320 | dgrp_t g, group = 0; |
e64e6761 | 321 | unsigned int blocks = 0; |
6dc64392 | 322 | blk64_t free_blocks = 0; |
efa1a355 | 323 | blk64_t first_free = ext2fs_blocks_count(fs->super); |
e64e6761 | 324 | unsigned int group_free = 0; |
3839e657 | 325 | int actual, bitmap; |
1b6bf175 | 326 | struct problem_context pctx; |
3c7c6d73 TT |
327 | problem_t problem, save_problem; |
328 | int fixit, had_problem; | |
1b6bf175 | 329 | errcode_t retval; |
479463aa | 330 | int redo_flag = 0; |
53e3120c TT |
331 | char *actual_buf, *bitmap_buf; |
332 | ||
333 | actual_buf = (char *) e2fsck_allocate_memory(ctx, fs->blocksize, | |
334 | "actual bitmap buffer"); | |
335 | bitmap_buf = (char *) e2fsck_allocate_memory(ctx, fs->blocksize, | |
336 | "bitmap block buffer"); | |
49e2df29 | 337 | |
1b6bf175 | 338 | clear_problem_context(&pctx); |
e64e6761 TT |
339 | free_array = (unsigned int *) e2fsck_allocate_memory(ctx, |
340 | fs->group_desc_count * sizeof(unsigned int), "free block count array"); | |
50e1e10f | 341 | |
3385a254 | 342 | if ((B2C(fs->super->s_first_data_block) < |
c5d2f50d | 343 | ext2fs_get_block_bitmap_start2(ctx->block_found_map)) || |
3385a254 | 344 | (B2C(ext2fs_blocks_count(fs->super)-1) > |
c5d2f50d | 345 | ext2fs_get_block_bitmap_end2(ctx->block_found_map))) { |
1b6bf175 | 346 | pctx.num = 1; |
3385a254 TT |
347 | pctx.blk = B2C(fs->super->s_first_data_block); |
348 | pctx.blk2 = B2C(ext2fs_blocks_count(fs->super) - 1); | |
c5d2f50d VAH |
349 | pctx.ino = ext2fs_get_block_bitmap_start2(ctx->block_found_map); |
350 | pctx.ino2 = ext2fs_get_block_bitmap_end2(ctx->block_found_map); | |
1b6bf175 | 351 | fix_problem(ctx, PR_5_BMAP_ENDPOINTS, &pctx); |
08b21301 TT |
352 | |
353 | ctx->flags |= E2F_FLAG_ABORT; /* fatal */ | |
49e2df29 | 354 | goto errout; |
50e1e10f | 355 | } |
49e2df29 | 356 | |
3385a254 | 357 | if ((B2C(fs->super->s_first_data_block) < |
c5d2f50d | 358 | ext2fs_get_block_bitmap_start2(fs->block_map)) || |
3385a254 | 359 | (B2C(ext2fs_blocks_count(fs->super)-1) > |
c5d2f50d | 360 | ext2fs_get_block_bitmap_end2(fs->block_map))) { |
1b6bf175 | 361 | pctx.num = 2; |
3385a254 TT |
362 | pctx.blk = B2C(fs->super->s_first_data_block); |
363 | pctx.blk2 = B2C(ext2fs_blocks_count(fs->super) - 1); | |
c5d2f50d VAH |
364 | pctx.ino = ext2fs_get_block_bitmap_start2(fs->block_map); |
365 | pctx.ino2 = ext2fs_get_block_bitmap_end2(fs->block_map); | |
1b6bf175 | 366 | fix_problem(ctx, PR_5_BMAP_ENDPOINTS, &pctx); |
08b21301 TT |
367 | |
368 | ctx->flags |= E2F_FLAG_ABORT; /* fatal */ | |
49e2df29 | 369 | goto errout; |
50e1e10f | 370 | } |
49e2df29 | 371 | |
63c4969c TT |
372 | redo_counts: |
373 | had_problem = 0; | |
f122632e TT |
374 | save_problem = 0; |
375 | pctx.blk = pctx.blk2 = NO_BLK; | |
3385a254 | 376 | for (i = B2C(fs->super->s_first_data_block); |
4efbac6f | 377 | i < ext2fs_blocks_count(fs->super); |
44fe08f1 | 378 | i += EXT2FS_CLUSTER_RATIO(fs)) { |
53e3120c TT |
379 | int first_block_in_bg = (B2C(i) - |
380 | B2C(fs->super->s_first_data_block)) % | |
381 | fs->super->s_clusters_per_group == 0; | |
382 | int n, nbytes = fs->super->s_clusters_per_group / 8; | |
383 | ||
c5d2f50d | 384 | actual = ext2fs_fast_test_block_bitmap2(ctx->block_found_map, i); |
f5fa2007 | 385 | |
53e3120c TT |
386 | /* |
387 | * Try to optimize pass5 by extracting a bitmap block | |
388 | * as expected from what we have on disk, and then | |
389 | * comparing the two. If they are identical, then | |
390 | * update the free block counts and go on to the next | |
391 | * block group. This is much faster than doing the | |
392 | * individual bit-by-bit comparison. The one downside | |
393 | * is that this doesn't work if we are asking e2fsck | |
394 | * to do a discard operation. | |
395 | */ | |
396 | if (!first_block_in_bg || | |
397 | (group == (int)fs->group_desc_count - 1) || | |
398 | (ctx->options & E2F_OPT_DISCARD)) | |
399 | goto no_optimize; | |
400 | ||
401 | retval = ext2fs_get_block_bitmap_range2(ctx->block_found_map, | |
402 | B2C(i), fs->super->s_clusters_per_group, | |
403 | actual_buf); | |
404 | if (retval) | |
405 | goto no_optimize; | |
a48da274 DW |
406 | retval = ext2fs_get_block_bitmap_range2(fs->block_map, |
407 | B2C(i), fs->super->s_clusters_per_group, | |
408 | bitmap_buf); | |
409 | if (retval) | |
410 | goto no_optimize; | |
53e3120c TT |
411 | if (memcmp(actual_buf, bitmap_buf, nbytes) != 0) |
412 | goto no_optimize; | |
413 | n = ext2fs_bitcount(actual_buf, nbytes); | |
414 | group_free = fs->super->s_clusters_per_group - n; | |
415 | free_blocks += group_free; | |
c7e29325 | 416 | i += EXT2FS_C2B(fs, fs->super->s_clusters_per_group - 1); |
53e3120c TT |
417 | goto next_group; |
418 | no_optimize: | |
419 | ||
a48da274 | 420 | if (redo_flag) |
479463aa KM |
421 | bitmap = actual; |
422 | else | |
c5d2f50d | 423 | bitmap = ext2fs_fast_test_block_bitmap2(fs->block_map, i); |
49e2df29 | 424 | |
e35ff9b9 | 425 | if (!actual == !bitmap) |
3839e657 | 426 | goto do_counts; |
f5fa2007 | 427 | |
3839e657 TT |
428 | if (!actual && bitmap) { |
429 | /* | |
430 | * Block not used, but marked in use in the bitmap. | |
431 | */ | |
f122632e | 432 | problem = PR_5_BLOCK_UNUSED; |
3839e657 TT |
433 | } else { |
434 | /* | |
435 | * Block used, but not marked in use in the bitmap. | |
436 | */ | |
1b6bf175 | 437 | problem = PR_5_BLOCK_USED; |
49a7360b | 438 | |
a48da274 DW |
439 | if (ext2fs_bg_flags_test(fs, group, |
440 | EXT2_BG_BLOCK_UNINIT)) { | |
49a7360b JS |
441 | struct problem_context pctx2; |
442 | pctx2.blk = i; | |
443 | pctx2.group = group; | |
a48da274 DW |
444 | if (fix_problem(ctx, PR_5_BLOCK_UNINIT, |
445 | &pctx2)) | |
446 | ext2fs_bg_flags_clear(fs, group, | |
447 | EXT2_BG_BLOCK_UNINIT); | |
49a7360b | 448 | } |
3839e657 | 449 | } |
f122632e TT |
450 | if (pctx.blk == NO_BLK) { |
451 | pctx.blk = pctx.blk2 = i; | |
452 | save_problem = problem; | |
453 | } else { | |
454 | if ((problem == save_problem) && | |
69beadcf DW |
455 | (pctx.blk2 == i - EXT2FS_CLUSTER_RATIO(fs))) |
456 | pctx.blk2 += EXT2FS_CLUSTER_RATIO(fs); | |
f122632e TT |
457 | else { |
458 | print_bitmap_problem(ctx, save_problem, &pctx); | |
459 | pctx.blk = pctx.blk2 = i; | |
460 | save_problem = problem; | |
461 | } | |
462 | } | |
5596defa | 463 | ctx->flags |= E2F_FLAG_PROG_SUPPRESS; |
63c4969c | 464 | had_problem++; |
49e2df29 | 465 | |
efa1a355 LC |
466 | /* |
467 | * If there a problem we should turn off the discard so we | |
468 | * do not compromise the filesystem. | |
469 | */ | |
470 | ctx->options &= ~E2F_OPT_DISCARD; | |
471 | ||
3839e657 | 472 | do_counts: |
d2c9c42a | 473 | if (!bitmap) { |
3839e657 TT |
474 | group_free++; |
475 | free_blocks++; | |
efa1a355 LC |
476 | if (first_free > i) |
477 | first_free = i; | |
d2c9c42a TT |
478 | } else if (i > first_free) { |
479 | e2fsck_discard_blocks(ctx, first_free, | |
480 | (i - first_free)); | |
efa1a355 | 481 | first_free = ext2fs_blocks_count(fs->super); |
3839e657 TT |
482 | } |
483 | blocks ++; | |
44fe08f1 TT |
484 | if ((blocks == fs->super->s_clusters_per_group) || |
485 | (EXT2FS_B2C(fs, i) == | |
486 | EXT2FS_B2C(fs, ext2fs_blocks_count(fs->super)-1))) { | |
deae60a0 LC |
487 | /* |
488 | * If the last block of this group is free, then we can | |
489 | * discard it as well. | |
490 | */ | |
491 | if (!bitmap && i >= first_free) | |
492 | e2fsck_discard_blocks(ctx, first_free, | |
493 | (i - first_free) + 1); | |
53e3120c | 494 | next_group: |
deae60a0 LC |
495 | first_free = ext2fs_blocks_count(fs->super); |
496 | ||
3839e657 TT |
497 | free_array[group] = group_free; |
498 | group ++; | |
499 | blocks = 0; | |
500 | group_free = 0; | |
efac9a1b TT |
501 | if (ctx->progress) |
502 | if ((ctx->progress)(ctx, 5, group, | |
503 | fs->group_desc_count*2)) | |
49e2df29 | 504 | goto errout; |
3839e657 TT |
505 | } |
506 | } | |
f122632e TT |
507 | if (pctx.blk != NO_BLK) |
508 | print_bitmap_problem(ctx, save_problem, &pctx); | |
63c4969c | 509 | if (had_problem) |
f122632e | 510 | fixit = end_problem_latch(ctx, PR_LATCH_BBITMAP); |
63c4969c TT |
511 | else |
512 | fixit = -1; | |
5596defa | 513 | ctx->flags &= ~E2F_FLAG_PROG_SUPPRESS; |
49e2df29 | 514 | |
1b6bf175 TT |
515 | if (fixit == 1) { |
516 | ext2fs_free_block_bitmap(fs->block_map); | |
517 | retval = ext2fs_copy_bitmap(ctx->block_found_map, | |
518 | &fs->block_map); | |
bbd47d76 TT |
519 | if (retval) { |
520 | clear_problem_context(&pctx); | |
521 | fix_problem(ctx, PR_5_COPY_BBITMAP_ERROR, &pctx); | |
522 | ctx->flags |= E2F_FLAG_ABORT; | |
49e2df29 | 523 | goto errout; |
bbd47d76 | 524 | } |
1b6bf175 TT |
525 | ext2fs_set_bitmap_padding(fs->block_map); |
526 | ext2fs_mark_bb_dirty(fs); | |
49e2df29 | 527 | |
1b6bf175 TT |
528 | /* Redo the counts */ |
529 | blocks = 0; free_blocks = 0; group_free = 0; group = 0; | |
530 | memset(free_array, 0, fs->group_desc_count * sizeof(int)); | |
479463aa | 531 | redo_flag++; |
1b6bf175 TT |
532 | goto redo_counts; |
533 | } else if (fixit == 0) | |
534 | ext2fs_unmark_valid(fs); | |
535 | ||
3971bfe8 TT |
536 | for (g = 0; g < fs->group_desc_count; g++) { |
537 | if (free_array[g] != ext2fs_bg_free_blocks_count(fs, g)) { | |
538 | pctx.group = g; | |
539 | pctx.blk = ext2fs_bg_free_blocks_count(fs, g); | |
540 | pctx.blk2 = free_array[g]; | |
1b6bf175 TT |
541 | |
542 | if (fix_problem(ctx, PR_5_FREE_BLOCK_COUNT_GROUP, | |
543 | &pctx)) { | |
3971bfe8 | 544 | ext2fs_bg_free_blocks_count_set(fs, g, free_array[g]); |
3839e657 TT |
545 | ext2fs_mark_super_dirty(fs); |
546 | } else | |
547 | ext2fs_unmark_valid(fs); | |
548 | } | |
549 | } | |
fe75afbf | 550 | free_blocks = EXT2FS_C2B(fs, free_blocks); |
4efbac6f | 551 | if (free_blocks != ext2fs_free_blocks_count(fs->super)) { |
1b6bf175 | 552 | pctx.group = 0; |
4efbac6f | 553 | pctx.blk = ext2fs_free_blocks_count(fs->super); |
1b6bf175 TT |
554 | pctx.blk2 = free_blocks; |
555 | ||
556 | if (fix_problem(ctx, PR_5_FREE_BLOCK_COUNT, &pctx)) { | |
4efbac6f | 557 | ext2fs_free_blocks_count_set(fs->super, free_blocks); |
3839e657 | 558 | ext2fs_mark_super_dirty(fs); |
2788cc87 | 559 | } |
3839e657 | 560 | } |
49e2df29 | 561 | errout: |
c4e3d3f3 | 562 | ext2fs_free_mem(&free_array); |
53e3120c TT |
563 | ext2fs_free_mem(&actual_buf); |
564 | ext2fs_free_mem(&bitmap_buf); | |
3839e657 | 565 | } |
49e2df29 | 566 | |
1b6bf175 | 567 | static void check_inode_bitmaps(e2fsck_t ctx) |
3839e657 | 568 | { |
1b6bf175 | 569 | ext2_filsys fs = ctx->fs; |
86c627ec | 570 | ext2_ino_t i; |
54434927 TT |
571 | unsigned int free_inodes = 0; |
572 | int group_free = 0; | |
573 | int dirs_count = 0; | |
3971bfe8 | 574 | dgrp_t group = 0; |
54434927 | 575 | unsigned int inodes = 0; |
e64e6761 TT |
576 | ext2_ino_t *free_array; |
577 | ext2_ino_t *dir_array; | |
54434927 | 578 | int actual, bitmap; |
1b6bf175 TT |
579 | errcode_t retval; |
580 | struct problem_context pctx; | |
3c7c6d73 TT |
581 | problem_t problem, save_problem; |
582 | int fixit, had_problem; | |
16b851cd | 583 | int csum_flag; |
f5fa2007 | 584 | int skip_group = 0; |
479463aa | 585 | int redo_flag = 0; |
e64e6761 | 586 | ext2_ino_t first_free = fs->super->s_inodes_per_group + 1; |
49e2df29 | 587 | |
1b6bf175 | 588 | clear_problem_context(&pctx); |
e64e6761 TT |
589 | free_array = (ext2_ino_t *) e2fsck_allocate_memory(ctx, |
590 | fs->group_desc_count * sizeof(ext2_ino_t), "free inode count array"); | |
49e2df29 | 591 | |
e64e6761 TT |
592 | dir_array = (ext2_ino_t *) e2fsck_allocate_memory(ctx, |
593 | fs->group_desc_count * sizeof(ext2_ino_t), "directory count array"); | |
49e2df29 | 594 | |
c5d2f50d | 595 | if ((1 < ext2fs_get_inode_bitmap_start2(ctx->inode_used_map)) || |
49e2df29 | 596 | (fs->super->s_inodes_count > |
c5d2f50d | 597 | ext2fs_get_inode_bitmap_end2(ctx->inode_used_map))) { |
1b6bf175 TT |
598 | pctx.num = 3; |
599 | pctx.blk = 1; | |
600 | pctx.blk2 = fs->super->s_inodes_count; | |
c5d2f50d VAH |
601 | pctx.ino = ext2fs_get_inode_bitmap_start2(ctx->inode_used_map); |
602 | pctx.ino2 = ext2fs_get_inode_bitmap_end2(ctx->inode_used_map); | |
1b6bf175 | 603 | fix_problem(ctx, PR_5_BMAP_ENDPOINTS, &pctx); |
08b21301 TT |
604 | |
605 | ctx->flags |= E2F_FLAG_ABORT; /* fatal */ | |
49e2df29 | 606 | goto errout; |
50e1e10f | 607 | } |
c5d2f50d | 608 | if ((1 < ext2fs_get_inode_bitmap_start2(fs->inode_map)) || |
49e2df29 | 609 | (fs->super->s_inodes_count > |
c5d2f50d | 610 | ext2fs_get_inode_bitmap_end2(fs->inode_map))) { |
1b6bf175 TT |
611 | pctx.num = 4; |
612 | pctx.blk = 1; | |
613 | pctx.blk2 = fs->super->s_inodes_count; | |
c5d2f50d VAH |
614 | pctx.ino = ext2fs_get_inode_bitmap_start2(fs->inode_map); |
615 | pctx.ino2 = ext2fs_get_inode_bitmap_end2(fs->inode_map); | |
1b6bf175 | 616 | fix_problem(ctx, PR_5_BMAP_ENDPOINTS, &pctx); |
08b21301 TT |
617 | |
618 | ctx->flags |= E2F_FLAG_ABORT; /* fatal */ | |
49e2df29 | 619 | goto errout; |
50e1e10f TT |
620 | } |
621 | ||
387e6384 | 622 | csum_flag = ext2fs_has_group_desc_csum(fs); |
1b6bf175 | 623 | redo_counts: |
63c4969c | 624 | had_problem = 0; |
f122632e TT |
625 | save_problem = 0; |
626 | pctx.ino = pctx.ino2 = 0; | |
16b851cd | 627 | if (csum_flag && |
cd65a24e | 628 | (ext2fs_bg_flags_test(fs, group, EXT2_BG_INODE_UNINIT))) |
f5fa2007 TT |
629 | skip_group++; |
630 | ||
5830d6be ES |
631 | /* Protect loop from wrap-around if inodes_count is maxed */ |
632 | for (i = 1; i <= fs->super->s_inodes_count && i > 0; i++) { | |
479463aa KM |
633 | bitmap = 0; |
634 | if (skip_group && | |
635 | i % fs->super->s_inodes_per_group == 1) { | |
636 | /* | |
637 | * Current inode is the first inode | |
638 | * in the current block group. | |
639 | */ | |
640 | if (ext2fs_test_inode_bitmap_range( | |
641 | ctx->inode_used_map, i, | |
642 | fs->super->s_inodes_per_group)) { | |
643 | /* | |
644 | * When the compared inodes in inodes bitmap | |
645 | * are 0, count the free inode, | |
646 | * skip the current block group. | |
647 | */ | |
57581c10 | 648 | first_free = 1; |
479463aa KM |
649 | inodes = fs->super->s_inodes_per_group - 1; |
650 | group_free = inodes; | |
651 | free_inodes += inodes; | |
652 | i += inodes; | |
653 | skip_group = 0; | |
654 | goto do_counts; | |
655 | } | |
656 | } | |
657 | ||
c5d2f50d | 658 | actual = ext2fs_fast_test_inode_bitmap2(ctx->inode_used_map, i); |
479463aa KM |
659 | if (redo_flag) |
660 | bitmap = actual; | |
661 | else if (!skip_group) | |
c5d2f50d | 662 | bitmap = ext2fs_fast_test_inode_bitmap2(fs->inode_map, i); |
e35ff9b9 | 663 | if (!actual == !bitmap) |
3839e657 | 664 | goto do_counts; |
49e2df29 | 665 | |
3839e657 TT |
666 | if (!actual && bitmap) { |
667 | /* | |
668 | * Inode wasn't used, but marked in bitmap | |
669 | */ | |
f122632e | 670 | problem = PR_5_INODE_UNUSED; |
1b6bf175 | 671 | } else /* if (actual && !bitmap) */ { |
3839e657 TT |
672 | /* |
673 | * Inode used, but not in bitmap | |
674 | */ | |
1b6bf175 | 675 | problem = PR_5_INODE_USED; |
49a7360b JS |
676 | |
677 | /* We should never hit this, because it means that | |
678 | * inodes were marked in use that weren't noticed | |
679 | * in pass1 or pass 2. It is easier to fix the problem | |
680 | * than to kill e2fsck and leave the user stuck. */ | |
681 | if (skip_group) { | |
682 | struct problem_context pctx2; | |
683 | pctx2.blk = i; | |
684 | pctx2.group = group; | |
685 | if (fix_problem(ctx, PR_5_INODE_UNINIT,&pctx2)){ | |
e633b58a | 686 | ext2fs_bg_flags_clear(fs, group, EXT2_BG_INODE_UNINIT); |
49a7360b JS |
687 | skip_group = 0; |
688 | } | |
689 | } | |
3839e657 | 690 | } |
f122632e TT |
691 | if (pctx.ino == 0) { |
692 | pctx.ino = pctx.ino2 = i; | |
693 | save_problem = problem; | |
694 | } else { | |
695 | if ((problem == save_problem) && | |
696 | (pctx.ino2 == i-1)) | |
697 | pctx.ino2++; | |
698 | else { | |
699 | print_bitmap_problem(ctx, save_problem, &pctx); | |
700 | pctx.ino = pctx.ino2 = i; | |
701 | save_problem = problem; | |
702 | } | |
703 | } | |
5596defa | 704 | ctx->flags |= E2F_FLAG_PROG_SUPPRESS; |
63c4969c | 705 | had_problem++; |
efa1a355 LC |
706 | /* |
707 | * If there a problem we should turn off the discard so we | |
708 | * do not compromise the filesystem. | |
709 | */ | |
710 | ctx->options &= ~E2F_OPT_DISCARD; | |
49e2df29 | 711 | |
3839e657 | 712 | do_counts: |
57581c10 | 713 | inodes++; |
f5fa2007 | 714 | if (bitmap) { |
c5d2f50d | 715 | if (ext2fs_test_inode_bitmap2(ctx->inode_dir_map, i)) |
3839e657 | 716 | dirs_count++; |
57581c10 LC |
717 | if (inodes > first_free) { |
718 | e2fsck_discard_inodes(ctx, group, first_free, | |
719 | inodes - first_free); | |
720 | first_free = fs->super->s_inodes_per_group + 1; | |
721 | } | |
d2c9c42a | 722 | } else { |
f5fa2007 TT |
723 | group_free++; |
724 | free_inodes++; | |
57581c10 LC |
725 | if (first_free > inodes) |
726 | first_free = inodes; | |
3839e657 | 727 | } |
efa1a355 | 728 | |
3839e657 TT |
729 | if ((inodes == fs->super->s_inodes_per_group) || |
730 | (i == fs->super->s_inodes_count)) { | |
57581c10 LC |
731 | /* |
732 | * If the last inode is free, we can discard it as well. | |
733 | */ | |
734 | if (!bitmap && inodes >= first_free) | |
735 | e2fsck_discard_inodes(ctx, group, first_free, | |
736 | inodes - first_free + 1); | |
efa1a355 LC |
737 | /* |
738 | * If discard zeroes data and the group inode table | |
739 | * was not zeroed yet, set itable as zeroed | |
740 | */ | |
741 | if ((ctx->options & E2F_OPT_DISCARD) && | |
57581c10 | 742 | io_channel_discard_zeroes_data(fs->io) && |
efa1a355 | 743 | !(ext2fs_bg_flags_test(fs, group, |
57581c10 | 744 | EXT2_BG_INODE_ZEROED))) { |
efa1a355 LC |
745 | ext2fs_bg_flags_set(fs, group, |
746 | EXT2_BG_INODE_ZEROED); | |
747 | ext2fs_group_desc_csum_set(fs, group); | |
748 | } | |
749 | ||
57581c10 LC |
750 | first_free = fs->super->s_inodes_per_group + 1; |
751 | free_array[group] = group_free; | |
752 | dir_array[group] = dirs_count; | |
3839e657 TT |
753 | group ++; |
754 | inodes = 0; | |
f5fa2007 | 755 | skip_group = 0; |
3839e657 TT |
756 | group_free = 0; |
757 | dirs_count = 0; | |
efac9a1b TT |
758 | if (ctx->progress) |
759 | if ((ctx->progress)(ctx, 5, | |
760 | group + fs->group_desc_count, | |
761 | fs->group_desc_count*2)) | |
49e2df29 | 762 | goto errout; |
16b851cd | 763 | if (csum_flag && |
f5fa2007 | 764 | (i != fs->super->s_inodes_count) && |
cd65a24e | 765 | (ext2fs_bg_flags_test(fs, group, EXT2_BG_INODE_UNINIT) |
732c8cd5 | 766 | )) |
f5fa2007 | 767 | skip_group++; |
3839e657 TT |
768 | } |
769 | } | |
f122632e TT |
770 | if (pctx.ino) |
771 | print_bitmap_problem(ctx, save_problem, &pctx); | |
49e2df29 | 772 | |
63c4969c TT |
773 | if (had_problem) |
774 | fixit = end_problem_latch(ctx, PR_LATCH_IBITMAP); | |
775 | else | |
776 | fixit = -1; | |
5596defa | 777 | ctx->flags &= ~E2F_FLAG_PROG_SUPPRESS; |
49e2df29 | 778 | |
1b6bf175 TT |
779 | if (fixit == 1) { |
780 | ext2fs_free_inode_bitmap(fs->inode_map); | |
781 | retval = ext2fs_copy_bitmap(ctx->inode_used_map, | |
782 | &fs->inode_map); | |
bbd47d76 TT |
783 | if (retval) { |
784 | clear_problem_context(&pctx); | |
785 | fix_problem(ctx, PR_5_COPY_IBITMAP_ERROR, &pctx); | |
786 | ctx->flags |= E2F_FLAG_ABORT; | |
49e2df29 | 787 | goto errout; |
bbd47d76 | 788 | } |
1b6bf175 TT |
789 | ext2fs_set_bitmap_padding(fs->inode_map); |
790 | ext2fs_mark_ib_dirty(fs); | |
791 | ||
792 | /* redo counts */ | |
793 | inodes = 0; free_inodes = 0; group_free = 0; | |
794 | dirs_count = 0; group = 0; | |
795 | memset(free_array, 0, fs->group_desc_count * sizeof(int)); | |
796 | memset(dir_array, 0, fs->group_desc_count * sizeof(int)); | |
479463aa | 797 | redo_flag++; |
1b6bf175 TT |
798 | goto redo_counts; |
799 | } else if (fixit == 0) | |
800 | ext2fs_unmark_valid(fs); | |
49e2df29 | 801 | |
3839e657 | 802 | for (i = 0; i < fs->group_desc_count; i++) { |
d7cca6b0 | 803 | if (free_array[i] != ext2fs_bg_free_inodes_count(fs, i)) { |
1b6bf175 | 804 | pctx.group = i; |
d7cca6b0 | 805 | pctx.ino = ext2fs_bg_free_inodes_count(fs, i); |
1b6bf175 TT |
806 | pctx.ino2 = free_array[i]; |
807 | if (fix_problem(ctx, PR_5_FREE_INODE_COUNT_GROUP, | |
808 | &pctx)) { | |
d7cca6b0 | 809 | ext2fs_bg_free_inodes_count_set(fs, i, free_array[i]); |
3839e657 TT |
810 | ext2fs_mark_super_dirty(fs); |
811 | } else | |
812 | ext2fs_unmark_valid(fs); | |
813 | } | |
d7cca6b0 | 814 | if (dir_array[i] != ext2fs_bg_used_dirs_count(fs, i)) { |
1b6bf175 | 815 | pctx.group = i; |
d7cca6b0 | 816 | pctx.ino = ext2fs_bg_used_dirs_count(fs, i); |
1b6bf175 TT |
817 | pctx.ino2 = dir_array[i]; |
818 | ||
819 | if (fix_problem(ctx, PR_5_FREE_DIR_COUNT_GROUP, | |
820 | &pctx)) { | |
d7cca6b0 | 821 | ext2fs_bg_used_dirs_count_set(fs, i, dir_array[i]); |
3839e657 TT |
822 | ext2fs_mark_super_dirty(fs); |
823 | } else | |
824 | ext2fs_unmark_valid(fs); | |
825 | } | |
826 | } | |
827 | if (free_inodes != fs->super->s_free_inodes_count) { | |
1b6bf175 TT |
828 | pctx.group = -1; |
829 | pctx.ino = fs->super->s_free_inodes_count; | |
830 | pctx.ino2 = free_inodes; | |
831 | ||
832 | if (fix_problem(ctx, PR_5_FREE_INODE_COUNT, &pctx)) { | |
3839e657 TT |
833 | fs->super->s_free_inodes_count = free_inodes; |
834 | ext2fs_mark_super_dirty(fs); | |
2788cc87 | 835 | } |
3839e657 | 836 | } |
49e2df29 | 837 | errout: |
c4e3d3f3 TT |
838 | ext2fs_free_mem(&free_array); |
839 | ext2fs_free_mem(&dir_array); | |
3839e657 TT |
840 | } |
841 | ||
1b6bf175 | 842 | static void check_inode_end(e2fsck_t ctx) |
3839e657 | 843 | { |
1b6bf175 | 844 | ext2_filsys fs = ctx->fs; |
86c627ec | 845 | ext2_ino_t end, save_inodes_count, i; |
1b6bf175 TT |
846 | struct problem_context pctx; |
847 | ||
848 | clear_problem_context(&pctx); | |
3839e657 TT |
849 | |
850 | end = EXT2_INODES_PER_GROUP(fs->super) * fs->group_desc_count; | |
1b6bf175 TT |
851 | pctx.errcode = ext2fs_fudge_inode_bitmap_end(fs->inode_map, end, |
852 | &save_inodes_count); | |
853 | if (pctx.errcode) { | |
854 | pctx.num = 1; | |
855 | fix_problem(ctx, PR_5_FUDGE_BITMAP_ERROR, &pctx); | |
08b21301 TT |
856 | ctx->flags |= E2F_FLAG_ABORT; /* fatal */ |
857 | return; | |
f3db3566 | 858 | } |
3839e657 TT |
859 | if (save_inodes_count == end) |
860 | return; | |
5830d6be | 861 | |
efc6f628 | 862 | /* protect loop from wrap-around if end is maxed */ |
5830d6be | 863 | for (i = save_inodes_count + 1; i <= end && i > save_inodes_count; i++) { |
f3db3566 | 864 | if (!ext2fs_test_inode_bitmap(fs->inode_map, i)) { |
1b6bf175 | 865 | if (fix_problem(ctx, PR_5_INODE_BMAP_PADDING, &pctx)) { |
01ec1268 | 866 | for (; i <= end; i++) |
f3db3566 | 867 | ext2fs_mark_inode_bitmap(fs->inode_map, |
3839e657 TT |
868 | i); |
869 | ext2fs_mark_ib_dirty(fs); | |
870 | } else | |
871 | ext2fs_unmark_valid(fs); | |
872 | break; | |
873 | } | |
874 | } | |
875 | ||
1b6bf175 TT |
876 | pctx.errcode = ext2fs_fudge_inode_bitmap_end(fs->inode_map, |
877 | save_inodes_count, 0); | |
878 | if (pctx.errcode) { | |
879 | pctx.num = 2; | |
880 | fix_problem(ctx, PR_5_FUDGE_BITMAP_ERROR, &pctx); | |
08b21301 TT |
881 | ctx->flags |= E2F_FLAG_ABORT; /* fatal */ |
882 | return; | |
f3db3566 | 883 | } |
3839e657 TT |
884 | } |
885 | ||
1b6bf175 | 886 | static void check_block_end(e2fsck_t ctx) |
3839e657 | 887 | { |
1b6bf175 | 888 | ext2_filsys fs = ctx->fs; |
c5d2f50d | 889 | blk64_t end, save_blocks_count, i; |
1b6bf175 TT |
890 | struct problem_context pctx; |
891 | ||
892 | clear_problem_context(&pctx); | |
3839e657 | 893 | |
c5d2f50d | 894 | end = ext2fs_get_block_bitmap_start2(fs->block_map) + |
1e33a8b4 | 895 | EXT2_GROUPS_TO_CLUSTERS(fs->super, fs->group_desc_count) - 1; |
c5d2f50d | 896 | pctx.errcode = ext2fs_fudge_block_bitmap_end2(fs->block_map, end, |
1b6bf175 TT |
897 | &save_blocks_count); |
898 | if (pctx.errcode) { | |
899 | pctx.num = 3; | |
900 | fix_problem(ctx, PR_5_FUDGE_BITMAP_ERROR, &pctx); | |
08b21301 TT |
901 | ctx->flags |= E2F_FLAG_ABORT; /* fatal */ |
902 | return; | |
f3db3566 | 903 | } |
3839e657 TT |
904 | if (save_blocks_count == end) |
905 | return; | |
5830d6be | 906 | |
efc6f628 | 907 | /* Protect loop from wrap-around if end is maxed */ |
5830d6be | 908 | for (i = save_blocks_count + 1; i <= end && i > save_blocks_count; i++) { |
44fe08f1 TT |
909 | if (!ext2fs_test_block_bitmap2(fs->block_map, |
910 | EXT2FS_C2B(fs, i))) { | |
1b6bf175 | 911 | if (fix_problem(ctx, PR_5_BLOCK_BMAP_PADDING, &pctx)) { |
01ec1268 | 912 | for (; i <= end; i++) |
c5d2f50d | 913 | ext2fs_mark_block_bitmap2(fs->block_map, |
44fe08f1 | 914 | EXT2FS_C2B(fs, i)); |
3839e657 TT |
915 | ext2fs_mark_bb_dirty(fs); |
916 | } else | |
917 | ext2fs_unmark_valid(fs); | |
918 | break; | |
919 | } | |
920 | } | |
921 | ||
c5d2f50d | 922 | pctx.errcode = ext2fs_fudge_block_bitmap_end2(fs->block_map, |
1b6bf175 TT |
923 | save_blocks_count, 0); |
924 | if (pctx.errcode) { | |
925 | pctx.num = 4; | |
926 | fix_problem(ctx, PR_5_FUDGE_BITMAP_ERROR, &pctx); | |
08b21301 TT |
927 | ctx->flags |= E2F_FLAG_ABORT; /* fatal */ |
928 | return; | |
f3db3566 | 929 | } |
3839e657 TT |
930 | } |
931 | ||
1b6bf175 TT |
932 | |
933 |