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Commit | Line | Data |
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2bd0ea18 | 1 | /* |
da23017d NS |
2 | * Copyright (c) 2000-2005 Silicon Graphics, Inc. |
3 | * All Rights Reserved. | |
dfc130f3 | 4 | * |
da23017d NS |
5 | * This program is free software; you can redistribute it and/or |
6 | * modify it under the terms of the GNU General Public License as | |
2bd0ea18 | 7 | * published by the Free Software Foundation. |
dfc130f3 | 8 | * |
da23017d NS |
9 | * This program is distributed in the hope that it would be useful, |
10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
12 | * GNU General Public License for more details. | |
dfc130f3 | 13 | * |
da23017d NS |
14 | * You should have received a copy of the GNU General Public License |
15 | * along with this program; if not, write the Free Software Foundation, | |
16 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | |
2bd0ea18 NS |
17 | */ |
18 | ||
6b803e5a | 19 | #include "libxfs.h" |
2bd0ea18 NS |
20 | #include "avl.h" |
21 | #include "globals.h" | |
22 | #include "agheader.h" | |
23 | #include "incore.h" | |
24 | #include "protos.h" | |
25 | #include "err_protos.h" | |
2bd0ea18 NS |
26 | #include "dir2.h" |
27 | #include "dinode.h" | |
28 | #include "scan.h" | |
29 | #include "versions.h" | |
30 | #include "attr_repair.h" | |
31 | #include "bmap.h" | |
3b6ac903 | 32 | #include "threads.h" |
2bd0ea18 | 33 | |
beed0dc8 DC |
34 | /* |
35 | * gettext lookups for translations of strings use mutexes internally to | |
36 | * the library. Hence when we come through here doing parallel scans in | |
37 | * multiple AGs, then all do concurrent text conversions and serialise | |
38 | * on the translation string lookups. Let's avoid doing repeated lookups | |
39 | * by making them static variables and only assigning the translation | |
40 | * once. | |
41 | */ | |
42 | static char *forkname_data; | |
43 | static char *forkname_attr; | |
44 | static char *ftype_real_time; | |
45 | static char *ftype_regular; | |
46 | ||
47 | void | |
48 | dinode_bmbt_translation_init(void) | |
49 | { | |
50 | forkname_data = _("data"); | |
51 | forkname_attr = _("attr"); | |
52 | ftype_real_time = _("real-time"); | |
53 | ftype_regular = _("regular"); | |
54 | } | |
55 | ||
56 | char * | |
57 | get_forkname(int whichfork) | |
58 | { | |
59 | ||
60 | if (whichfork == XFS_DATA_FORK) | |
61 | return forkname_data; | |
62 | return forkname_attr; | |
63 | } | |
64 | ||
2bd0ea18 NS |
65 | /* |
66 | * inode clearing routines | |
67 | */ | |
68 | ||
8b8a6b02 | 69 | static int |
2bd0ea18 NS |
70 | clear_dinode_attr(xfs_mount_t *mp, xfs_dinode_t *dino, xfs_ino_t ino_num) |
71 | { | |
56b2de80 | 72 | ASSERT(dino->di_forkoff != 0); |
2bd0ea18 NS |
73 | |
74 | if (!no_modify) | |
5d1b7f0f CH |
75 | fprintf(stderr, |
76 | _("clearing inode %" PRIu64 " attributes\n"), ino_num); | |
2bd0ea18 | 77 | else |
5d1b7f0f CH |
78 | fprintf(stderr, |
79 | _("would have cleared inode %" PRIu64 " attributes\n"), ino_num); | |
2bd0ea18 | 80 | |
56b2de80 | 81 | if (be16_to_cpu(dino->di_anextents) != 0) { |
2bd0ea18 NS |
82 | if (no_modify) |
83 | return(1); | |
56b2de80 | 84 | dino->di_anextents = cpu_to_be16(0); |
2bd0ea18 NS |
85 | } |
86 | ||
56b2de80 | 87 | if (dino->di_aformat != XFS_DINODE_FMT_EXTENTS) { |
2bd0ea18 NS |
88 | if (no_modify) |
89 | return(1); | |
56b2de80 | 90 | dino->di_aformat = XFS_DINODE_FMT_EXTENTS; |
2bd0ea18 NS |
91 | } |
92 | ||
93 | /* get rid of the fork by clearing forkoff */ | |
94 | ||
95 | /* Originally, when the attr repair code was added, the fork was cleared | |
96 | * by turning it into shortform status. This meant clearing the | |
97 | * hdr.totsize/count fields and also changing aformat to LOCAL | |
98 | * (vs EXTENTS). Over various fixes, the aformat and forkoff have | |
99 | * been updated to not show an attribute fork at all, however. | |
100 | * It could be possible that resetting totsize/count are not needed, | |
dfc130f3 | 101 | * but just to be safe, leave it in for now. |
2bd0ea18 NS |
102 | */ |
103 | ||
104 | if (!no_modify) { | |
105 | xfs_attr_shortform_t *asf = (xfs_attr_shortform_t *) | |
46eca962 | 106 | XFS_DFORK_APTR(dino); |
5e656dbb BN |
107 | asf->hdr.totsize = cpu_to_be16(sizeof(xfs_attr_sf_hdr_t)); |
108 | asf->hdr.count = 0; | |
56b2de80 | 109 | dino->di_forkoff = 0; /* got to do this after asf is set */ |
2bd0ea18 NS |
110 | } |
111 | ||
112 | /* | |
113 | * always returns 1 since the fork gets zapped | |
114 | */ | |
115 | return(1); | |
116 | } | |
117 | ||
8b8a6b02 | 118 | static int |
e0607266 | 119 | clear_dinode_core(struct xfs_mount *mp, xfs_dinode_t *dinoc, xfs_ino_t ino_num) |
2bd0ea18 NS |
120 | { |
121 | int dirty = 0; | |
e0607266 | 122 | int i; |
2bd0ea18 | 123 | |
e0607266 DC |
124 | #define __dirty_no_modify_ret(dirty) \ |
125 | ({ (dirty) = 1; if (no_modify) return 1; }) | |
2bd0ea18 | 126 | |
e0607266 DC |
127 | if (be16_to_cpu(dinoc->di_magic) != XFS_DINODE_MAGIC) { |
128 | __dirty_no_modify_ret(dirty); | |
5e656dbb | 129 | dinoc->di_magic = cpu_to_be16(XFS_DINODE_MAGIC); |
2bd0ea18 NS |
130 | } |
131 | ||
307ae950 | 132 | if (!xfs_dinode_good_version(mp, dinoc->di_version)) { |
e0607266 DC |
133 | __dirty_no_modify_ret(dirty); |
134 | if (xfs_sb_version_hascrc(&mp->m_sb)) | |
135 | dinoc->di_version = 3; | |
136 | else | |
5f6f3660 | 137 | dinoc->di_version = 2; |
2bd0ea18 NS |
138 | } |
139 | ||
5e656dbb | 140 | if (be16_to_cpu(dinoc->di_mode) != 0) { |
e0607266 | 141 | __dirty_no_modify_ret(dirty); |
46eca962 | 142 | dinoc->di_mode = 0; |
2bd0ea18 NS |
143 | } |
144 | ||
5e656dbb | 145 | if (be16_to_cpu(dinoc->di_flags) != 0) { |
e0607266 | 146 | __dirty_no_modify_ret(dirty); |
46eca962 | 147 | dinoc->di_flags = 0; |
2bd0ea18 NS |
148 | } |
149 | ||
5e656dbb | 150 | if (be32_to_cpu(dinoc->di_dmevmask) != 0) { |
e0607266 | 151 | __dirty_no_modify_ret(dirty); |
46eca962 | 152 | dinoc->di_dmevmask = 0; |
2bd0ea18 NS |
153 | } |
154 | ||
155 | if (dinoc->di_forkoff != 0) { | |
e0607266 | 156 | __dirty_no_modify_ret(dirty); |
2bd0ea18 NS |
157 | dinoc->di_forkoff = 0; |
158 | } | |
159 | ||
160 | if (dinoc->di_format != XFS_DINODE_FMT_EXTENTS) { | |
e0607266 | 161 | __dirty_no_modify_ret(dirty); |
2bd0ea18 NS |
162 | dinoc->di_format = XFS_DINODE_FMT_EXTENTS; |
163 | } | |
164 | ||
165 | if (dinoc->di_aformat != XFS_DINODE_FMT_EXTENTS) { | |
e0607266 | 166 | __dirty_no_modify_ret(dirty); |
2bd0ea18 NS |
167 | dinoc->di_aformat = XFS_DINODE_FMT_EXTENTS; |
168 | } | |
169 | ||
5e656dbb | 170 | if (be64_to_cpu(dinoc->di_size) != 0) { |
e0607266 | 171 | __dirty_no_modify_ret(dirty); |
46eca962 | 172 | dinoc->di_size = 0; |
2bd0ea18 NS |
173 | } |
174 | ||
5e656dbb | 175 | if (be64_to_cpu(dinoc->di_nblocks) != 0) { |
e0607266 | 176 | __dirty_no_modify_ret(dirty); |
46eca962 | 177 | dinoc->di_nblocks = 0; |
2bd0ea18 NS |
178 | } |
179 | ||
5e656dbb | 180 | if (be16_to_cpu(dinoc->di_onlink) != 0) { |
e0607266 | 181 | __dirty_no_modify_ret(dirty); |
46eca962 | 182 | dinoc->di_onlink = 0; |
2bd0ea18 NS |
183 | } |
184 | ||
5e656dbb | 185 | if (be32_to_cpu(dinoc->di_nextents) != 0) { |
e0607266 | 186 | __dirty_no_modify_ret(dirty); |
46eca962 | 187 | dinoc->di_nextents = 0; |
2bd0ea18 NS |
188 | } |
189 | ||
5e656dbb | 190 | if (be16_to_cpu(dinoc->di_anextents) != 0) { |
e0607266 | 191 | __dirty_no_modify_ret(dirty); |
46eca962 | 192 | dinoc->di_anextents = 0; |
2bd0ea18 NS |
193 | } |
194 | ||
56b2de80 | 195 | if (dinoc->di_version > 1 && |
5e656dbb | 196 | be32_to_cpu(dinoc->di_nlink) != 0) { |
e0607266 DC |
197 | __dirty_no_modify_ret(dirty); |
198 | dinoc->di_nlink = 0; | |
199 | } | |
2bd0ea18 | 200 | |
e0607266 DC |
201 | /* we are done for version 1/2 inodes */ |
202 | if (dinoc->di_version < 3) | |
203 | return dirty; | |
2bd0ea18 | 204 | |
e0607266 DC |
205 | if (be64_to_cpu(dinoc->di_ino) != ino_num) { |
206 | __dirty_no_modify_ret(dirty); | |
207 | dinoc->di_ino = cpu_to_be64(ino_num); | |
2bd0ea18 NS |
208 | } |
209 | ||
9c4e12fb | 210 | if (platform_uuid_compare(&dinoc->di_uuid, &mp->m_sb.sb_meta_uuid)) { |
e0607266 | 211 | __dirty_no_modify_ret(dirty); |
9c4e12fb | 212 | platform_uuid_copy(&dinoc->di_uuid, &mp->m_sb.sb_meta_uuid); |
e0607266 DC |
213 | } |
214 | ||
e6efb967 | 215 | for (i = 0; i < sizeof(dinoc->di_pad2)/sizeof(dinoc->di_pad2[0]); i++) { |
e7c05095 | 216 | if (dinoc->di_pad2[i] != 0) { |
e0607266 | 217 | __dirty_no_modify_ret(dirty); |
e6efb967 | 218 | memset(dinoc->di_pad2, 0, sizeof(dinoc->di_pad2)); |
e0607266 DC |
219 | break; |
220 | } | |
221 | } | |
222 | ||
223 | if (be64_to_cpu(dinoc->di_flags2) != 0) { | |
224 | __dirty_no_modify_ret(dirty); | |
225 | dinoc->di_flags2 = 0; | |
226 | } | |
227 | ||
228 | if (be64_to_cpu(dinoc->di_lsn) != 0) { | |
229 | __dirty_no_modify_ret(dirty); | |
230 | dinoc->di_lsn = 0; | |
231 | } | |
232 | ||
233 | if (be64_to_cpu(dinoc->di_changecount) != 0) { | |
234 | __dirty_no_modify_ret(dirty); | |
235 | dinoc->di_changecount = 0; | |
236 | } | |
237 | ||
238 | return dirty; | |
2bd0ea18 NS |
239 | } |
240 | ||
8b8a6b02 | 241 | static int |
2bd0ea18 NS |
242 | clear_dinode_unlinked(xfs_mount_t *mp, xfs_dinode_t *dino) |
243 | { | |
244 | ||
5e656dbb | 245 | if (be32_to_cpu(dino->di_next_unlinked) != NULLAGINO) { |
2bd0ea18 | 246 | if (!no_modify) |
5e656dbb | 247 | dino->di_next_unlinked = cpu_to_be32(NULLAGINO); |
2bd0ea18 NS |
248 | return(1); |
249 | } | |
250 | ||
251 | return(0); | |
252 | } | |
253 | ||
254 | /* | |
255 | * this clears the unlinked list too so it should not be called | |
256 | * until after the agi unlinked lists are walked in phase 3. | |
257 | * returns > zero if the inode has been altered while being cleared | |
258 | */ | |
8b8a6b02 | 259 | static int |
2bd0ea18 NS |
260 | clear_dinode(xfs_mount_t *mp, xfs_dinode_t *dino, xfs_ino_t ino_num) |
261 | { | |
262 | int dirty; | |
263 | ||
e0607266 | 264 | dirty = clear_dinode_core(mp, dino, ino_num); |
2bd0ea18 NS |
265 | dirty += clear_dinode_unlinked(mp, dino); |
266 | ||
267 | /* and clear the forks */ | |
268 | ||
269 | if (dirty && !no_modify) | |
49f693fa DC |
270 | memset(XFS_DFORK_DPTR(dino), 0, |
271 | XFS_LITINO(mp, dino->di_version)); | |
2bd0ea18 NS |
272 | |
273 | return(dirty); | |
274 | } | |
275 | ||
276 | ||
277 | /* | |
278 | * misc. inode-related utility routines | |
279 | */ | |
280 | ||
9234d416 BN |
281 | /* |
282 | * verify_ag_bno is heavily used. In the common case, it | |
1e77098c | 283 | * performs just two number of compares |
5e656dbb | 284 | * Returns 1 for bad ag/bno pair or 0 if it's valid. |
1e77098c MV |
285 | */ |
286 | static __inline int | |
287 | verify_ag_bno(xfs_sb_t *sbp, | |
288 | xfs_agnumber_t agno, | |
289 | xfs_agblock_t agbno) | |
290 | { | |
f8149110 | 291 | if (agno < (sbp->sb_agcount - 1)) |
5e656dbb | 292 | return (agbno >= sbp->sb_agblocks); |
f8149110 | 293 | if (agno == (sbp->sb_agcount - 1)) |
5e656dbb | 294 | return (agbno >= (sbp->sb_dblocks - |
5a35bf2c | 295 | ((xfs_rfsblock_t)(sbp->sb_agcount - 1) * |
003e8e41 | 296 | sbp->sb_agblocks))); |
5e656dbb | 297 | return 1; |
1e77098c MV |
298 | } |
299 | ||
2bd0ea18 NS |
300 | /* |
301 | * returns 0 if inode number is valid, 1 if bogus | |
302 | */ | |
303 | int | |
304 | verify_inum(xfs_mount_t *mp, | |
305 | xfs_ino_t ino) | |
306 | { | |
307 | xfs_agnumber_t agno; | |
308 | xfs_agino_t agino; | |
309 | xfs_agblock_t agbno; | |
310 | xfs_sb_t *sbp = &mp->m_sb;; | |
311 | ||
312 | /* range check ag #, ag block. range-checking offset is pointless */ | |
313 | ||
314 | agno = XFS_INO_TO_AGNO(mp, ino); | |
315 | agino = XFS_INO_TO_AGINO(mp, ino); | |
316 | agbno = XFS_AGINO_TO_AGBNO(mp, agino); | |
1e77098c MV |
317 | if (agbno == 0) |
318 | return 1; | |
2bd0ea18 NS |
319 | |
320 | if (ino == 0 || ino == NULLFSINO) | |
321 | return(1); | |
322 | ||
323 | if (ino != XFS_AGINO_TO_INO(mp, agno, agino)) | |
324 | return(1); | |
325 | ||
1e77098c | 326 | return verify_ag_bno(sbp, agno, agbno); |
2bd0ea18 NS |
327 | } |
328 | ||
329 | /* | |
330 | * have a separate routine to ensure that we don't accidentally | |
331 | * lose illegally set bits in the agino by turning it into an FSINO | |
332 | * to feed to the above routine | |
333 | */ | |
334 | int | |
335 | verify_aginum(xfs_mount_t *mp, | |
336 | xfs_agnumber_t agno, | |
337 | xfs_agino_t agino) | |
338 | { | |
339 | xfs_agblock_t agbno; | |
340 | xfs_sb_t *sbp = &mp->m_sb;; | |
341 | ||
342 | /* range check ag #, ag block. range-checking offset is pointless */ | |
343 | ||
344 | if (agino == 0 || agino == NULLAGINO) | |
345 | return(1); | |
346 | ||
347 | /* | |
348 | * agino's can't be too close to NULLAGINO because the min blocksize | |
349 | * is 9 bits and at most 1 bit of that gets used for the inode offset | |
350 | * so if the agino gets shifted by the # of offset bits and compared | |
351 | * to the legal agbno values, a bogus agino will be too large. there | |
352 | * will be extra bits set at the top that shouldn't be set. | |
353 | */ | |
354 | agbno = XFS_AGINO_TO_AGBNO(mp, agino); | |
1e77098c MV |
355 | if (agbno == 0) |
356 | return 1; | |
2bd0ea18 | 357 | |
1e77098c | 358 | return verify_ag_bno(sbp, agno, agbno); |
2bd0ea18 NS |
359 | } |
360 | ||
361 | /* | |
362 | * return 1 if block number is good, 0 if out of range | |
363 | */ | |
364 | int | |
365 | verify_dfsbno(xfs_mount_t *mp, | |
5a35bf2c | 366 | xfs_fsblock_t fsbno) |
2bd0ea18 NS |
367 | { |
368 | xfs_agnumber_t agno; | |
369 | xfs_agblock_t agbno; | |
370 | xfs_sb_t *sbp = &mp->m_sb;; | |
371 | ||
372 | /* range check ag #, ag block. range-checking offset is pointless */ | |
373 | ||
374 | agno = XFS_FSB_TO_AGNO(mp, fsbno); | |
375 | agbno = XFS_FSB_TO_AGBNO(mp, fsbno); | |
376 | ||
1e77098c MV |
377 | return verify_ag_bno(sbp, agno, agbno) == 0; |
378 | } | |
2bd0ea18 | 379 | |
1e77098c MV |
380 | #define XR_DFSBNORANGE_VALID 0 |
381 | #define XR_DFSBNORANGE_BADSTART 1 | |
382 | #define XR_DFSBNORANGE_BADEND 2 | |
383 | #define XR_DFSBNORANGE_OVERFLOW 3 | |
384 | ||
385 | static __inline int | |
386 | verify_dfsbno_range(xfs_mount_t *mp, | |
5a35bf2c DC |
387 | xfs_fsblock_t fsbno, |
388 | xfs_filblks_t count) | |
1e77098c MV |
389 | { |
390 | xfs_agnumber_t agno; | |
391 | xfs_agblock_t agbno; | |
392 | xfs_sb_t *sbp = &mp->m_sb;; | |
393 | ||
394 | /* the start and end blocks better be in the same allocation group */ | |
395 | agno = XFS_FSB_TO_AGNO(mp, fsbno); | |
396 | if (agno != XFS_FSB_TO_AGNO(mp, fsbno + count - 1)) { | |
397 | return XR_DFSBNORANGE_OVERFLOW; | |
398 | } | |
399 | ||
400 | agbno = XFS_FSB_TO_AGBNO(mp, fsbno); | |
401 | if (verify_ag_bno(sbp, agno, agbno)) { | |
402 | return XR_DFSBNORANGE_BADSTART; | |
403 | } | |
404 | ||
405 | agbno = XFS_FSB_TO_AGBNO(mp, fsbno + count - 1); | |
406 | if (verify_ag_bno(sbp, agno, agbno)) { | |
407 | return XR_DFSBNORANGE_BADEND; | |
408 | } | |
409 | ||
410 | return (XR_DFSBNORANGE_VALID); | |
2bd0ea18 NS |
411 | } |
412 | ||
413 | int | |
414 | verify_agbno(xfs_mount_t *mp, | |
415 | xfs_agnumber_t agno, | |
416 | xfs_agblock_t agbno) | |
417 | { | |
418 | xfs_sb_t *sbp = &mp->m_sb;; | |
419 | ||
420 | /* range check ag #, ag block. range-checking offset is pointless */ | |
1e77098c | 421 | return verify_ag_bno(sbp, agno, agbno) == 0; |
2bd0ea18 NS |
422 | } |
423 | ||
2556c98b BN |
424 | static int |
425 | process_rt_rec( | |
426 | xfs_mount_t *mp, | |
e0a12bda | 427 | xfs_bmbt_irec_t *irec, |
2556c98b | 428 | xfs_ino_t ino, |
5a35bf2c | 429 | xfs_rfsblock_t *tot, |
2556c98b BN |
430 | int check_dups) |
431 | { | |
5a35bf2c DC |
432 | xfs_fsblock_t b; |
433 | xfs_rtblock_t ext; | |
2556c98b | 434 | int state; |
2556c98b BN |
435 | int pwe; /* partially-written extent */ |
436 | ||
2556c98b BN |
437 | /* |
438 | * check numeric validity of the extent | |
439 | */ | |
e0a12bda | 440 | if (irec->br_startblock >= mp->m_sb.sb_rblocks) { |
5d1b7f0f CH |
441 | do_warn( |
442 | _("inode %" PRIu64 " - bad rt extent start block number %" PRIu64 ", offset %" PRIu64 "\n"), | |
443 | ino, | |
444 | irec->br_startblock, | |
445 | irec->br_startoff); | |
2556c98b BN |
446 | return 1; |
447 | } | |
e0a12bda | 448 | if (irec->br_startblock + irec->br_blockcount - 1 >= mp->m_sb.sb_rblocks) { |
5d1b7f0f CH |
449 | do_warn( |
450 | _("inode %" PRIu64 " - bad rt extent last block number %" PRIu64 ", offset %" PRIu64 "\n"), | |
451 | ino, | |
452 | irec->br_startblock + irec->br_blockcount - 1, | |
453 | irec->br_startoff); | |
2556c98b BN |
454 | return 1; |
455 | } | |
e0a12bda | 456 | if (irec->br_startblock + irec->br_blockcount - 1 < irec->br_startblock) { |
5d1b7f0f CH |
457 | do_warn( |
458 | _("inode %" PRIu64 " - bad rt extent overflows - start %" PRIu64 ", " | |
459 | "end %" PRIu64 ", offset %" PRIu64 "\n"), | |
460 | ino, | |
461 | irec->br_startblock, | |
462 | irec->br_startblock + irec->br_blockcount - 1, | |
463 | irec->br_startoff); | |
2556c98b BN |
464 | return 1; |
465 | } | |
466 | ||
467 | /* | |
468 | * verify that the blocks listed in the record | |
469 | * are multiples of an extent | |
470 | */ | |
5e656dbb | 471 | if (xfs_sb_version_hasextflgbit(&mp->m_sb) == 0 && |
e0a12bda BN |
472 | (irec->br_startblock % mp->m_sb.sb_rextsize != 0 || |
473 | irec->br_blockcount % mp->m_sb.sb_rextsize != 0)) { | |
5d1b7f0f CH |
474 | do_warn( |
475 | _("malformed rt inode extent [%" PRIu64 " %" PRIu64 "] (fs rtext size = %u)\n"), | |
476 | irec->br_startblock, | |
477 | irec->br_blockcount, | |
478 | mp->m_sb.sb_rextsize); | |
2556c98b | 479 | return 1; |
3b6ac903 MV |
480 | } |
481 | ||
2556c98b BN |
482 | /* |
483 | * set the appropriate number of extents | |
8961bfde | 484 | * this iterates block by block, this can be optimised using extents |
2556c98b | 485 | */ |
e0a12bda BN |
486 | for (b = irec->br_startblock; b < irec->br_startblock + |
487 | irec->br_blockcount; b += mp->m_sb.sb_rextsize) { | |
5a35bf2c | 488 | ext = (xfs_rtblock_t) b / mp->m_sb.sb_rextsize; |
5e656dbb | 489 | pwe = xfs_sb_version_hasextflgbit(&mp->m_sb) && |
e0a12bda | 490 | irec->br_state == XFS_EXT_UNWRITTEN && |
2556c98b BN |
491 | (b % mp->m_sb.sb_rextsize != 0); |
492 | ||
493 | if (check_dups == 1) { | |
494 | if (search_rt_dup_extent(mp, ext) && !pwe) { | |
5d1b7f0f CH |
495 | do_warn( |
496 | _("data fork in rt ino %" PRIu64 " claims dup rt extent," | |
497 | "off - %" PRIu64 ", start - %" PRIu64 ", count %" PRIu64 "\n"), | |
498 | ino, | |
499 | irec->br_startoff, | |
500 | irec->br_startblock, | |
501 | irec->br_blockcount); | |
2556c98b BN |
502 | return 1; |
503 | } | |
504 | continue; | |
505 | } | |
506 | ||
95650c4d | 507 | state = get_rtbmap(ext); |
2556c98b | 508 | switch (state) { |
95650c4d BN |
509 | case XR_E_FREE: |
510 | case XR_E_UNKNOWN: | |
511 | set_rtbmap(ext, XR_E_INUSE); | |
512 | break; | |
513 | case XR_E_BAD_STATE: | |
5d1b7f0f CH |
514 | do_error( |
515 | _("bad state in rt block map %" PRIu64 "\n"), | |
516 | ext); | |
95650c4d BN |
517 | case XR_E_FS_MAP: |
518 | case XR_E_INO: | |
519 | case XR_E_INUSE_FS: | |
5d1b7f0f CH |
520 | do_error( |
521 | _("data fork in rt inode %" PRIu64 " found metadata block %" PRIu64 " in rt bmap\n"), | |
95650c4d BN |
522 | ino, ext); |
523 | case XR_E_INUSE: | |
524 | if (pwe) | |
2556c98b | 525 | break; |
95650c4d BN |
526 | case XR_E_MULT: |
527 | set_rtbmap(ext, XR_E_MULT); | |
5d1b7f0f CH |
528 | do_warn( |
529 | _("data fork in rt inode %" PRIu64 " claims used rt block %" PRIu64 "\n"), | |
530 | ino, ext); | |
95650c4d BN |
531 | return 1; |
532 | case XR_E_FREE1: | |
533 | default: | |
5d1b7f0f CH |
534 | do_error( |
535 | _("illegal state %d in rt block map %" PRIu64 "\n"), | |
536 | state, b); | |
2556c98b BN |
537 | } |
538 | } | |
539 | ||
540 | /* | |
541 | * bump up the block counter | |
542 | */ | |
e0a12bda | 543 | *tot += irec->br_blockcount; |
2556c98b BN |
544 | |
545 | return 0; | |
546 | } | |
3b6ac903 | 547 | |
2bd0ea18 NS |
548 | /* |
549 | * return 1 if inode should be cleared, 0 otherwise | |
550 | * if check_dups should be set to 1, that implies that | |
551 | * the primary purpose of this call is to see if the | |
552 | * file overlaps with any duplicate extents (in the | |
553 | * duplicate extent list). | |
554 | */ | |
8b8a6b02 | 555 | static int |
2bd0ea18 NS |
556 | process_bmbt_reclist_int( |
557 | xfs_mount_t *mp, | |
e0a12bda | 558 | xfs_bmbt_rec_t *rp, |
e1f43b4c | 559 | int *numrecs, |
2bd0ea18 NS |
560 | int type, |
561 | xfs_ino_t ino, | |
5a35bf2c | 562 | xfs_rfsblock_t *tot, |
2bd0ea18 | 563 | blkmap_t **blkmapp, |
5a35bf2c DC |
564 | xfs_fileoff_t *first_key, |
565 | xfs_fileoff_t *last_key, | |
2bd0ea18 NS |
566 | int check_dups, |
567 | int whichfork) | |
568 | { | |
e0a12bda | 569 | xfs_bmbt_irec_t irec; |
5a35bf2c DC |
570 | xfs_filblks_t cp = 0; /* prev count */ |
571 | xfs_fsblock_t sp = 0; /* prev start */ | |
572 | xfs_fileoff_t op = 0; /* prev offset */ | |
573 | xfs_fsblock_t b; | |
2bd0ea18 | 574 | char *ftype; |
beed0dc8 | 575 | char *forkname = get_forkname(whichfork); |
2bd0ea18 NS |
576 | int i; |
577 | int state; | |
1e77098c MV |
578 | xfs_agnumber_t agno; |
579 | xfs_agblock_t agbno; | |
8961bfde BN |
580 | xfs_agblock_t ebno; |
581 | xfs_extlen_t blen; | |
2556c98b BN |
582 | xfs_agnumber_t locked_agno = -1; |
583 | int error = 1; | |
2bd0ea18 | 584 | |
2bd0ea18 | 585 | if (type == XR_INO_RTDATA) |
beed0dc8 | 586 | ftype = ftype_real_time; |
2bd0ea18 | 587 | else |
beed0dc8 | 588 | ftype = ftype_regular; |
2bd0ea18 | 589 | |
e1f43b4c | 590 | for (i = 0; i < *numrecs; i++) { |
ff105f75 | 591 | libxfs_bmbt_disk_get_all((rp +i), &irec); |
2bd0ea18 | 592 | if (i == 0) |
e0a12bda | 593 | *last_key = *first_key = irec.br_startoff; |
2bd0ea18 | 594 | else |
e0a12bda BN |
595 | *last_key = irec.br_startoff; |
596 | if (i > 0 && op + cp > irec.br_startoff) { | |
5d1b7f0f CH |
597 | do_warn( |
598 | _("bmap rec out of order, inode %" PRIu64" entry %d " | |
599 | "[o s c] [%" PRIu64 " %" PRIu64 " %" PRIu64 "], " | |
600 | "%d [%" PRIu64 " %" PRIu64 " %" PRIu64 "]\n"), | |
e0a12bda BN |
601 | ino, i, irec.br_startoff, irec.br_startblock, |
602 | irec.br_blockcount, i - 1, op, sp, cp); | |
2556c98b | 603 | goto done; |
2bd0ea18 | 604 | } |
e0a12bda BN |
605 | op = irec.br_startoff; |
606 | cp = irec.br_blockcount; | |
607 | sp = irec.br_startblock; | |
2bd0ea18 NS |
608 | |
609 | /* | |
610 | * check numeric validity of the extent | |
611 | */ | |
e0a12bda | 612 | if (irec.br_blockcount == 0) { |
5d1b7f0f CH |
613 | do_warn( |
614 | _("zero length extent (off = %" PRIu64 ", fsbno = %" PRIu64 ") in ino %" PRIu64 "\n"), | |
615 | irec.br_startoff, | |
616 | irec.br_startblock, | |
617 | ino); | |
2556c98b | 618 | goto done; |
2bd0ea18 NS |
619 | } |
620 | ||
2556c98b | 621 | if (type == XR_INO_RTDATA && whichfork == XFS_DATA_FORK) { |
2bd0ea18 | 622 | /* |
2556c98b BN |
623 | * realtime bitmaps don't use AG locks, so returning |
624 | * immediately is fine for this code path. | |
2bd0ea18 | 625 | */ |
e0a12bda | 626 | if (process_rt_rec(mp, &irec, ino, tot, check_dups)) |
2556c98b | 627 | return 1; |
2bd0ea18 | 628 | /* |
e0a12bda | 629 | * skip rest of loop processing since that'irec.br_startblock |
2bd0ea18 NS |
630 | * all for regular file forks and attr forks |
631 | */ | |
632 | continue; | |
633 | } | |
634 | ||
2bd0ea18 NS |
635 | /* |
636 | * regular file data fork or attribute fork | |
637 | */ | |
e0a12bda BN |
638 | switch (verify_dfsbno_range(mp, irec.br_startblock, |
639 | irec.br_blockcount)) { | |
2556c98b BN |
640 | case XR_DFSBNORANGE_VALID: |
641 | break; | |
642 | ||
643 | case XR_DFSBNORANGE_BADSTART: | |
5d1b7f0f CH |
644 | do_warn( |
645 | _("inode %" PRIu64 " - bad extent starting block number %" PRIu64 ", offset %" PRIu64 "\n"), | |
646 | ino, | |
647 | irec.br_startblock, | |
e0a12bda | 648 | irec.br_startoff); |
2556c98b BN |
649 | goto done; |
650 | ||
651 | case XR_DFSBNORANGE_BADEND: | |
5d1b7f0f CH |
652 | do_warn( |
653 | _("inode %" PRIu64 " - bad extent last block number %" PRIu64 ", offset %" PRIu64 "\n"), | |
654 | ino, | |
655 | irec.br_startblock + irec.br_blockcount - 1, | |
656 | irec.br_startoff); | |
2556c98b BN |
657 | goto done; |
658 | ||
659 | case XR_DFSBNORANGE_OVERFLOW: | |
5d1b7f0f CH |
660 | do_warn( |
661 | _("inode %" PRIu64 " - bad extent overflows - start %" PRIu64 ", " | |
662 | "end %" PRIu64 ", offset %" PRIu64 "\n"), | |
663 | ino, | |
664 | irec.br_startblock, | |
665 | irec.br_startblock + irec.br_blockcount - 1, | |
666 | irec.br_startoff); | |
2556c98b BN |
667 | goto done; |
668 | } | |
7511a9cf ES |
669 | /* Ensure this extent does not extend beyond the max offset */ |
670 | if (irec.br_startoff + irec.br_blockcount - 1 > | |
671 | fs_max_file_offset) { | |
5d1b7f0f | 672 | do_warn( |
7511a9cf ES |
673 | _("inode %" PRIu64 " - extent exceeds max offset - start %" PRIu64 ", " |
674 | "count %" PRIu64 ", physical block %" PRIu64 "\n"), | |
675 | ino, irec.br_startoff, irec.br_blockcount, | |
676 | irec.br_startblock); | |
2556c98b BN |
677 | goto done; |
678 | } | |
679 | ||
75372fed | 680 | if (blkmapp && *blkmapp) { |
ea4a8de1 BM |
681 | int error2; |
682 | error2 = blkmap_set_ext(blkmapp, irec.br_startoff, | |
e0a12bda | 683 | irec.br_startblock, irec.br_blockcount); |
ea4a8de1 | 684 | if (error2) { |
75372fed DC |
685 | /* |
686 | * we don't want to clear the inode due to an | |
687 | * internal bmap tracking error, but if we've | |
688 | * run out of memory then we simply can't | |
689 | * validate that the filesystem is consistent. | |
690 | * Hence just abort at this point with an ENOMEM | |
691 | * error. | |
692 | */ | |
693 | do_abort( | |
694 | _("Fatal error: inode %" PRIu64 " - blkmap_set_ext(): %s\n" | |
695 | "\t%s fork, off - %" PRIu64 ", start - %" PRIu64 ", cnt %" PRIu64 "\n"), | |
ea4a8de1 | 696 | ino, strerror(error2), forkname, |
75372fed DC |
697 | irec.br_startoff, irec.br_startblock, |
698 | irec.br_blockcount); | |
699 | } | |
700 | } | |
701 | ||
1e77098c MV |
702 | /* |
703 | * Profiling shows that the following loop takes the | |
704 | * most time in all of xfs_repair. | |
705 | */ | |
e0a12bda BN |
706 | agno = XFS_FSB_TO_AGNO(mp, irec.br_startblock); |
707 | agbno = XFS_FSB_TO_AGBNO(mp, irec.br_startblock); | |
8961bfde | 708 | ebno = agbno + irec.br_blockcount; |
2556c98b BN |
709 | if (agno != locked_agno) { |
710 | if (locked_agno != -1) | |
586f8abf DC |
711 | pthread_mutex_unlock(&ag_locks[locked_agno].lock); |
712 | pthread_mutex_lock(&ag_locks[agno].lock); | |
2556c98b BN |
713 | locked_agno = agno; |
714 | } | |
715 | ||
716 | if (check_dups) { | |
717 | /* | |
718 | * if we're just checking the bmap for dups, | |
719 | * return if we find one, otherwise, continue | |
720 | * checking each entry without setting the | |
721 | * block bitmap | |
722 | */ | |
79872d6e | 723 | if (search_dup_extent(agno, agbno, ebno)) { |
5d1b7f0f CH |
724 | do_warn( |
725 | _("%s fork in ino %" PRIu64 " claims dup extent, " | |
726 | "off - %" PRIu64 ", start - %" PRIu64 ", cnt %" PRIu64 "\n"), | |
79872d6e BN |
727 | forkname, ino, irec.br_startoff, |
728 | irec.br_startblock, | |
729 | irec.br_blockcount); | |
730 | goto done; | |
dfc130f3 | 731 | } |
e0a12bda | 732 | *tot += irec.br_blockcount; |
2556c98b BN |
733 | continue; |
734 | } | |
dfc130f3 | 735 | |
8961bfde BN |
736 | for (b = irec.br_startblock; |
737 | agbno < ebno; | |
738 | b += blen, agbno += blen) { | |
739 | state = get_bmap_ext(agno, agbno, ebno, &blen); | |
2bd0ea18 NS |
740 | switch (state) { |
741 | case XR_E_FREE: | |
742 | case XR_E_FREE1: | |
5d1b7f0f CH |
743 | do_warn( |
744 | _("%s fork in ino %" PRIu64 " claims free block %" PRIu64 "\n"), | |
2bd0ea18 NS |
745 | forkname, ino, (__uint64_t) b); |
746 | /* fall through ... */ | |
747 | case XR_E_UNKNOWN: | |
8961bfde | 748 | set_bmap_ext(agno, agbno, blen, XR_E_INUSE); |
2bd0ea18 | 749 | break; |
2556c98b | 750 | |
2bd0ea18 | 751 | case XR_E_BAD_STATE: |
5d1b7f0f | 752 | do_error(_("bad state in block map %" PRIu64 "\n"), b); |
2556c98b | 753 | |
2bd0ea18 NS |
754 | case XR_E_FS_MAP: |
755 | case XR_E_INO: | |
756 | case XR_E_INUSE_FS: | |
5d1b7f0f CH |
757 | do_warn( |
758 | _("%s fork in inode %" PRIu64 " claims metadata block %" PRIu64 "\n"), | |
759 | forkname, ino, b); | |
2556c98b BN |
760 | goto done; |
761 | ||
2bd0ea18 NS |
762 | case XR_E_INUSE: |
763 | case XR_E_MULT: | |
8961bfde | 764 | set_bmap_ext(agno, agbno, blen, XR_E_MULT); |
5d1b7f0f CH |
765 | do_warn( |
766 | _("%s fork in %s inode %" PRIu64 " claims used block %" PRIu64 "\n"), | |
767 | forkname, ftype, ino, b); | |
2556c98b BN |
768 | goto done; |
769 | ||
2bd0ea18 | 770 | default: |
5d1b7f0f CH |
771 | do_error( |
772 | _("illegal state %d in block map %" PRIu64 "\n"), | |
2bd0ea18 | 773 | state, b); |
2bd0ea18 NS |
774 | } |
775 | } | |
e0a12bda | 776 | *tot += irec.br_blockcount; |
2bd0ea18 | 777 | } |
2556c98b BN |
778 | error = 0; |
779 | done: | |
780 | if (locked_agno != -1) | |
586f8abf | 781 | pthread_mutex_unlock(&ag_locks[locked_agno].lock); |
e1f43b4c CH |
782 | |
783 | if (i != *numrecs) { | |
784 | ASSERT(i < *numrecs); | |
785 | do_warn(_("correcting nextents for inode %" PRIu64 "\n"), ino); | |
786 | *numrecs = i; | |
787 | } | |
788 | ||
2556c98b | 789 | return error; |
2bd0ea18 NS |
790 | } |
791 | ||
792 | /* | |
793 | * return 1 if inode should be cleared, 0 otherwise, sets block bitmap | |
794 | * as a side-effect | |
795 | */ | |
796 | int | |
797 | process_bmbt_reclist( | |
798 | xfs_mount_t *mp, | |
5e656dbb | 799 | xfs_bmbt_rec_t *rp, |
e1f43b4c | 800 | int *numrecs, |
2bd0ea18 NS |
801 | int type, |
802 | xfs_ino_t ino, | |
5a35bf2c | 803 | xfs_rfsblock_t *tot, |
2bd0ea18 | 804 | blkmap_t **blkmapp, |
5a35bf2c DC |
805 | xfs_fileoff_t *first_key, |
806 | xfs_fileoff_t *last_key, | |
2bd0ea18 NS |
807 | int whichfork) |
808 | { | |
5e656dbb BN |
809 | return process_bmbt_reclist_int(mp, rp, numrecs, type, ino, tot, |
810 | blkmapp, first_key, last_key, 0, whichfork); | |
2bd0ea18 NS |
811 | } |
812 | ||
813 | /* | |
814 | * return 1 if inode should be cleared, 0 otherwise, does not set | |
815 | * block bitmap | |
816 | */ | |
817 | int | |
818 | scan_bmbt_reclist( | |
819 | xfs_mount_t *mp, | |
5e656dbb | 820 | xfs_bmbt_rec_t *rp, |
e1f43b4c | 821 | int *numrecs, |
2bd0ea18 NS |
822 | int type, |
823 | xfs_ino_t ino, | |
5a35bf2c | 824 | xfs_rfsblock_t *tot, |
2bd0ea18 NS |
825 | int whichfork) |
826 | { | |
5a35bf2c DC |
827 | xfs_fileoff_t first_key = 0; |
828 | xfs_fileoff_t last_key = 0; | |
2bd0ea18 | 829 | |
5e656dbb BN |
830 | return process_bmbt_reclist_int(mp, rp, numrecs, type, ino, tot, |
831 | NULL, &first_key, &last_key, 1, whichfork); | |
2bd0ea18 NS |
832 | } |
833 | ||
834 | /* | |
835 | * these two are meant for routines that read and work with inodes | |
836 | * one at a time where the inodes may be in any order (like walking | |
837 | * the unlinked lists to look for inodes). the caller is responsible | |
838 | * for writing/releasing the buffer. | |
839 | */ | |
840 | xfs_buf_t * | |
841 | get_agino_buf(xfs_mount_t *mp, | |
842 | xfs_agnumber_t agno, | |
843 | xfs_agino_t agino, | |
844 | xfs_dinode_t **dipp) | |
845 | { | |
846 | ino_tree_node_t *irec; | |
847 | xfs_buf_t *bp; | |
848 | int size; | |
849 | ||
1ae311d5 | 850 | if ((irec = find_inode_rec(mp, agno, agino)) == NULL) |
2bd0ea18 | 851 | return(NULL); |
dfc130f3 | 852 | |
2703398a DW |
853 | size = MAX(1, XFS_FSB_TO_BB(mp, |
854 | mp->m_inode_cluster_size >> mp->m_sb.sb_blocklog)); | |
2bd0ea18 | 855 | bp = libxfs_readbuf(mp->m_dev, XFS_AGB_TO_DADDR(mp, agno, |
75c8b434 DC |
856 | XFS_AGINO_TO_AGBNO(mp, irec->ino_startnum)), size, 0, |
857 | &xfs_inode_buf_ops); | |
2bd0ea18 | 858 | if (!bp) { |
5d1b7f0f | 859 | do_warn(_("cannot read inode (%u/%u), disk block %" PRIu64 "\n"), |
2bd0ea18 NS |
860 | agno, irec->ino_startnum, |
861 | XFS_AGB_TO_DADDR(mp, agno, | |
862 | XFS_AGINO_TO_AGBNO(mp, irec->ino_startnum))); | |
863 | return(NULL); | |
864 | } | |
865 | ||
56b2de80 | 866 | *dipp = xfs_make_iptr(mp, bp, agino - |
2bd0ea18 NS |
867 | XFS_OFFBNO_TO_AGINO(mp, XFS_AGINO_TO_AGBNO(mp, |
868 | irec->ino_startnum), | |
869 | 0)); | |
870 | ||
871 | return(bp); | |
872 | } | |
873 | ||
2bd0ea18 NS |
874 | /* |
875 | * higher level inode processing stuff starts here: | |
876 | * first, one utility routine for each type of inode | |
877 | */ | |
878 | ||
879 | /* | |
880 | * return 1 if inode should be cleared, 0 otherwise | |
881 | */ | |
8b8a6b02 | 882 | static int |
2bd0ea18 NS |
883 | process_btinode( |
884 | xfs_mount_t *mp, | |
885 | xfs_agnumber_t agno, | |
886 | xfs_agino_t ino, | |
887 | xfs_dinode_t *dip, | |
888 | int type, | |
889 | int *dirty, | |
5a35bf2c | 890 | xfs_rfsblock_t *tot, |
2bd0ea18 NS |
891 | __uint64_t *nex, |
892 | blkmap_t **blkmapp, | |
893 | int whichfork, | |
894 | int check_dups) | |
895 | { | |
896 | xfs_bmdr_block_t *dib; | |
5a35bf2c DC |
897 | xfs_fileoff_t last_key; |
898 | xfs_fileoff_t first_key = 0; | |
2bd0ea18 NS |
899 | xfs_ino_t lino; |
900 | xfs_bmbt_ptr_t *pp; | |
901 | xfs_bmbt_key_t *pkey; | |
beed0dc8 | 902 | char *forkname = get_forkname(whichfork); |
2bd0ea18 | 903 | int i; |
9234d416 BN |
904 | int level; |
905 | int numrecs; | |
2bd0ea18 | 906 | bmap_cursor_t cursor; |
e0607266 | 907 | __uint64_t magic; |
2bd0ea18 | 908 | |
46eca962 | 909 | dib = (xfs_bmdr_block_t *)XFS_DFORK_PTR(dip, whichfork); |
2bd0ea18 NS |
910 | lino = XFS_AGINO_TO_INO(mp, agno, ino); |
911 | *tot = 0; | |
912 | *nex = 0; | |
913 | ||
e0607266 DC |
914 | magic = xfs_sb_version_hascrc(&mp->m_sb) ? XFS_BMAP_CRC_MAGIC |
915 | : XFS_BMAP_MAGIC; | |
916 | ||
5e656dbb BN |
917 | level = be16_to_cpu(dib->bb_level); |
918 | numrecs = be16_to_cpu(dib->bb_numrecs); | |
9234d416 BN |
919 | |
920 | if ((level == 0) || (level > XFS_BM_MAXLEVELS(mp, whichfork))) { | |
2bd0ea18 | 921 | /* |
2bd0ea18 NS |
922 | * XXX - if we were going to fix up the inode, |
923 | * we'd try to treat the fork as an interior | |
924 | * node and see if we could get an accurate | |
925 | * level value from one of the blocks pointed | |
926 | * to by the pointers in the fork. For now | |
927 | * though, we just bail (and blow out the inode). | |
928 | */ | |
5d1b7f0f CH |
929 | do_warn( |
930 | _("bad level %d in inode %" PRIu64 " bmap btree root block\n"), | |
9234d416 BN |
931 | level, XFS_AGINO_TO_INO(mp, agno, ino)); |
932 | return(1); | |
933 | } | |
934 | if (numrecs == 0) { | |
5d1b7f0f CH |
935 | do_warn( |
936 | _("bad numrecs 0 in inode %" PRIu64 " bmap btree root block\n"), | |
2bd0ea18 NS |
937 | XFS_AGINO_TO_INO(mp, agno, ino)); |
938 | return(1); | |
939 | } | |
940 | /* | |
941 | * use bmdr/dfork_dsize since the root block is in the data fork | |
942 | */ | |
5e656dbb | 943 | if (XFS_BMDR_SPACE_CALC(numrecs) > XFS_DFORK_SIZE(dip, mp, whichfork)) { |
2bd0ea18 | 944 | do_warn( |
507f4e33 | 945 | _("indicated size of %s btree root (%d bytes) greater than space in " |
5d1b7f0f | 946 | "inode %" PRIu64 " %s fork\n"), |
9234d416 | 947 | forkname, XFS_BMDR_SPACE_CALC(numrecs), lino, forkname); |
2bd0ea18 NS |
948 | return(1); |
949 | } | |
950 | ||
9234d416 BN |
951 | init_bm_cursor(&cursor, level + 1); |
952 | ||
b3563c19 | 953 | pp = XFS_BMDR_PTR_ADDR(dib, 1, |
ff105f75 | 954 | xfs_bmdr_maxrecs(XFS_DFORK_SIZE(dip, mp, whichfork), 0)); |
b3563c19 | 955 | pkey = XFS_BMDR_KEY_ADDR(dib, 1); |
5a35bf2c | 956 | last_key = NULLFILEOFF; |
2bd0ea18 | 957 | |
9234d416 | 958 | for (i = 0; i < numrecs; i++) { |
2bd0ea18 NS |
959 | /* |
960 | * XXX - if we were going to do more to fix up the inode | |
961 | * btree, we'd do it right here. For now, if there's a | |
962 | * problem, we'll bail out and presumably clear the inode. | |
963 | */ | |
fb36a55d ES |
964 | if (!verify_dfsbno(mp, get_unaligned_be64(&pp[i]))) { |
965 | do_warn( | |
966 | _("bad bmap btree ptr 0x%" PRIx64 " in ino %" PRIu64 "\n"), | |
967 | get_unaligned_be64(&pp[i]), lino); | |
2bd0ea18 NS |
968 | return(1); |
969 | } | |
970 | ||
fb36a55d ES |
971 | if (scan_lbtree(get_unaligned_be64(&pp[i]), level, scan_bmapbt, |
972 | type, whichfork, lino, tot, nex, blkmapp, | |
973 | &cursor, 1, check_dups, magic, | |
974 | &xfs_bmbt_buf_ops)) | |
2bd0ea18 NS |
975 | return(1); |
976 | /* | |
977 | * fix key (offset) mismatches between the keys in root | |
978 | * block records and the first key of each child block. | |
979 | * fixes cases where entries have been shifted between | |
980 | * blocks but the parent hasn't been updated | |
981 | */ | |
5e656dbb | 982 | if (!check_dups && cursor.level[level-1].first_key != |
fb36a55d | 983 | get_unaligned_be64(&pkey[i].br_startoff)) { |
2bd0ea18 NS |
984 | if (!no_modify) { |
985 | do_warn( | |
fb36a55d ES |
986 | _("correcting key in bmbt root (was %" PRIu64 ", now %" PRIu64") in inode " |
987 | "%" PRIu64" %s fork\n"), | |
988 | get_unaligned_be64(&pkey[i].br_startoff), | |
989 | cursor.level[level-1].first_key, | |
990 | XFS_AGINO_TO_INO(mp, agno, ino), | |
991 | forkname); | |
2bd0ea18 | 992 | *dirty = 1; |
fb36a55d ES |
993 | put_unaligned_be64( |
994 | cursor.level[level-1].first_key, | |
995 | &pkey[i].br_startoff); | |
2bd0ea18 NS |
996 | } else { |
997 | do_warn( | |
fb36a55d ES |
998 | _("bad key in bmbt root (is %" PRIu64 ", would reset to %" PRIu64 ") in inode " |
999 | "%" PRIu64 " %s fork\n"), | |
1000 | get_unaligned_be64(&pkey[i].br_startoff), | |
1001 | cursor.level[level-1].first_key, | |
1002 | XFS_AGINO_TO_INO(mp, agno, ino), | |
1003 | forkname); | |
2bd0ea18 NS |
1004 | } |
1005 | } | |
1006 | /* | |
1007 | * make sure that keys are in ascending order. blow out | |
1008 | * inode if the ordering doesn't hold | |
1009 | */ | |
1010 | if (check_dups == 0) { | |
5a35bf2c | 1011 | if (last_key != NULLFILEOFF && last_key >= |
9234d416 | 1012 | cursor.level[level-1].first_key) { |
2bd0ea18 | 1013 | do_warn( |
5d1b7f0f | 1014 | _("out of order bmbt root key %" PRIu64 " in inode %" PRIu64 " %s fork\n"), |
2bd0ea18 NS |
1015 | first_key, |
1016 | XFS_AGINO_TO_INO(mp, agno, ino), | |
1017 | forkname); | |
1018 | return(1); | |
1019 | } | |
9234d416 | 1020 | last_key = cursor.level[level-1].first_key; |
2bd0ea18 NS |
1021 | } |
1022 | } | |
2e10b140 ES |
1023 | /* |
1024 | * Ideally if all the extents are ok (perhaps after further | |
1025 | * checks below?) we'd just move this back into extents format. | |
1026 | * But for now clear it, as the kernel will choke on this | |
1027 | */ | |
1028 | if (*nex <= XFS_DFORK_SIZE(dip, mp, whichfork) / | |
1029 | sizeof(xfs_bmbt_rec_t)) { | |
1030 | do_warn( | |
5d1b7f0f | 1031 | _("extent count for ino %" PRIu64 " %s fork too low (%" PRIu64 ") for file format\n"), |
2e10b140 ES |
1032 | lino, forkname, *nex); |
1033 | return(1); | |
1034 | } | |
2bd0ea18 NS |
1035 | /* |
1036 | * Check that the last child block's forward sibling pointer | |
1037 | * is NULL. | |
1038 | */ | |
1039 | if (check_dups == 0 && | |
5a35bf2c | 1040 | cursor.level[0].right_fsbno != NULLFSBLOCK) { |
2bd0ea18 | 1041 | do_warn( |
5a35bf2c | 1042 | _("bad fwd (right) sibling pointer (saw %" PRIu64 " should be NULLFSBLOCK)\n"), |
2bd0ea18 NS |
1043 | cursor.level[0].right_fsbno); |
1044 | do_warn( | |
5d1b7f0f | 1045 | _("\tin inode %" PRIu64 " (%s fork) bmap btree block %" PRIu64 "\n"), |
2bd0ea18 NS |
1046 | XFS_AGINO_TO_INO(mp, agno, ino), forkname, |
1047 | cursor.level[0].fsbno); | |
1048 | return(1); | |
1049 | } | |
dfc130f3 | 1050 | |
2bd0ea18 NS |
1051 | return(0); |
1052 | } | |
1053 | ||
1054 | /* | |
1055 | * return 1 if inode should be cleared, 0 otherwise | |
1056 | */ | |
8b8a6b02 | 1057 | static int |
2bd0ea18 NS |
1058 | process_exinode( |
1059 | xfs_mount_t *mp, | |
1060 | xfs_agnumber_t agno, | |
1061 | xfs_agino_t ino, | |
1062 | xfs_dinode_t *dip, | |
1063 | int type, | |
1064 | int *dirty, | |
5a35bf2c | 1065 | xfs_rfsblock_t *tot, |
2bd0ea18 NS |
1066 | __uint64_t *nex, |
1067 | blkmap_t **blkmapp, | |
1068 | int whichfork, | |
1069 | int check_dups) | |
1070 | { | |
1071 | xfs_ino_t lino; | |
5e656dbb | 1072 | xfs_bmbt_rec_t *rp; |
5a35bf2c DC |
1073 | xfs_fileoff_t first_key; |
1074 | xfs_fileoff_t last_key; | |
5fa28531 | 1075 | int32_t numrecs; |
e1f43b4c | 1076 | int ret; |
2bd0ea18 NS |
1077 | |
1078 | lino = XFS_AGINO_TO_INO(mp, agno, ino); | |
5e656dbb | 1079 | rp = (xfs_bmbt_rec_t *)XFS_DFORK_PTR(dip, whichfork); |
2bd0ea18 | 1080 | *tot = 0; |
e1f43b4c CH |
1081 | numrecs = XFS_DFORK_NEXTENTS(dip, whichfork); |
1082 | ||
5fa28531 DC |
1083 | /* |
1084 | * We've already decided on the maximum number of extents on the inode, | |
1085 | * and numrecs may be corrupt. Hence make sure we only allow numrecs to | |
1086 | * be in the range of valid on-disk numbers, which is: | |
1087 | * 0 < numrecs < 2^31 - 1 | |
1088 | */ | |
1089 | if (numrecs < 0) | |
1090 | numrecs = *nex; | |
1091 | ||
2bd0ea18 NS |
1092 | /* |
1093 | * XXX - if we were going to fix up the btree record, | |
1094 | * we'd do it right here. For now, if there's a problem, | |
1095 | * we'll bail out and presumably clear the inode. | |
1096 | */ | |
1097 | if (check_dups == 0) | |
e1f43b4c | 1098 | ret = process_bmbt_reclist(mp, rp, &numrecs, type, lino, |
2bd0ea18 | 1099 | tot, blkmapp, &first_key, &last_key, |
e1f43b4c | 1100 | whichfork); |
2bd0ea18 | 1101 | else |
e1f43b4c CH |
1102 | ret = scan_bmbt_reclist(mp, rp, &numrecs, type, lino, tot, |
1103 | whichfork); | |
1104 | ||
1105 | *nex = numrecs; | |
1106 | return ret; | |
2bd0ea18 NS |
1107 | } |
1108 | ||
1109 | /* | |
1110 | * return 1 if inode should be cleared, 0 otherwise | |
1111 | */ | |
5e656dbb | 1112 | static int |
2bd0ea18 NS |
1113 | process_lclinode( |
1114 | xfs_mount_t *mp, | |
1115 | xfs_agnumber_t agno, | |
1116 | xfs_agino_t ino, | |
1117 | xfs_dinode_t *dip, | |
5e656dbb | 1118 | int whichfork) |
2bd0ea18 NS |
1119 | { |
1120 | xfs_attr_shortform_t *asf; | |
2bd0ea18 NS |
1121 | xfs_ino_t lino; |
1122 | ||
2bd0ea18 | 1123 | lino = XFS_AGINO_TO_INO(mp, agno, ino); |
56b2de80 | 1124 | if (whichfork == XFS_DATA_FORK && be64_to_cpu(dip->di_size) > |
5e656dbb | 1125 | XFS_DFORK_DSIZE(dip, mp)) { |
2bd0ea18 | 1126 | do_warn( |
5d1b7f0f CH |
1127 | _("local inode %" PRIu64 " data fork is too large (size = %lld, max = %d)\n"), |
1128 | lino, (unsigned long long) be64_to_cpu(dip->di_size), | |
46eca962 | 1129 | XFS_DFORK_DSIZE(dip, mp)); |
2bd0ea18 NS |
1130 | return(1); |
1131 | } else if (whichfork == XFS_ATTR_FORK) { | |
5e656dbb BN |
1132 | asf = (xfs_attr_shortform_t *)XFS_DFORK_APTR(dip); |
1133 | if (be16_to_cpu(asf->hdr.totsize) > XFS_DFORK_ASIZE(dip, mp)) { | |
2bd0ea18 | 1134 | do_warn( |
5d1b7f0f | 1135 | _("local inode %" PRIu64 " attr fork too large (size %d, max = %d)\n"), |
5e656dbb | 1136 | lino, be16_to_cpu(asf->hdr.totsize), |
46eca962 | 1137 | XFS_DFORK_ASIZE(dip, mp)); |
2bd0ea18 NS |
1138 | return(1); |
1139 | } | |
5e656dbb | 1140 | if (be16_to_cpu(asf->hdr.totsize) < sizeof(xfs_attr_sf_hdr_t)) { |
2bd0ea18 | 1141 | do_warn( |
5d1b7f0f | 1142 | _("local inode %" PRIu64 " attr too small (size = %d, min size = %zd)\n"), |
5e656dbb | 1143 | lino, be16_to_cpu(asf->hdr.totsize), |
507f4e33 | 1144 | sizeof(xfs_attr_sf_hdr_t)); |
2bd0ea18 NS |
1145 | return(1); |
1146 | } | |
1147 | } | |
1148 | ||
1149 | return(0); | |
1150 | } | |
1151 | ||
8b8a6b02 | 1152 | static int |
2bd0ea18 NS |
1153 | process_symlink_extlist(xfs_mount_t *mp, xfs_ino_t lino, xfs_dinode_t *dino) |
1154 | { | |
5a35bf2c | 1155 | xfs_fileoff_t expected_offset; |
e0a12bda BN |
1156 | xfs_bmbt_rec_t *rp; |
1157 | xfs_bmbt_irec_t irec; | |
2bd0ea18 NS |
1158 | int numrecs; |
1159 | int i; | |
1160 | int max_blocks; | |
2bd0ea18 | 1161 | |
56b2de80 | 1162 | if (be64_to_cpu(dino->di_size) <= XFS_DFORK_DSIZE(dino, mp)) { |
f8149110 | 1163 | if (dino->di_format == XFS_DINODE_FMT_LOCAL) |
5e656dbb | 1164 | return 0; |
5d1b7f0f CH |
1165 | do_warn( |
1166 | _("mismatch between format (%d) and size (%" PRId64 ") in symlink ino %" PRIu64 "\n"), | |
1167 | dino->di_format, | |
1168 | (__int64_t)be64_to_cpu(dino->di_size), lino); | |
5e656dbb BN |
1169 | return 1; |
1170 | } | |
56b2de80 | 1171 | if (dino->di_format == XFS_DINODE_FMT_LOCAL) { |
5d1b7f0f | 1172 | do_warn( |
b52923f3 | 1173 | _("mismatch between format (%d) and size (%" PRId64 ") in symlink inode %" PRIu64 "\n"), |
5d1b7f0f CH |
1174 | dino->di_format, |
1175 | (__int64_t)be64_to_cpu(dino->di_size), lino); | |
5e656dbb | 1176 | return 1; |
2bd0ea18 NS |
1177 | } |
1178 | ||
5e656dbb | 1179 | rp = (xfs_bmbt_rec_t *)XFS_DFORK_DPTR(dino); |
56b2de80 | 1180 | numrecs = be32_to_cpu(dino->di_nextents); |
2bd0ea18 NS |
1181 | |
1182 | /* | |
1183 | * the max # of extents in a symlink inode is equal to the | |
dfc130f3 | 1184 | * number of max # of blocks required to store the symlink |
2bd0ea18 NS |
1185 | */ |
1186 | if (numrecs > max_symlink_blocks) { | |
1187 | do_warn( | |
5d1b7f0f | 1188 | _("bad number of extents (%d) in symlink %" PRIu64 " data fork\n"), |
2bd0ea18 NS |
1189 | numrecs, lino); |
1190 | return(1); | |
1191 | } | |
1192 | ||
1193 | max_blocks = max_symlink_blocks; | |
1194 | expected_offset = 0; | |
1195 | ||
5e656dbb | 1196 | for (i = 0; i < numrecs; i++) { |
ff105f75 | 1197 | libxfs_bmbt_disk_get_all((rp +i), &irec); |
e0a12bda | 1198 | if (irec.br_startoff != expected_offset) { |
2bd0ea18 | 1199 | do_warn( |
5d1b7f0f | 1200 | _("bad extent #%d offset (%" PRIu64 ") in symlink %" PRIu64 " data fork\n"), |
e0a12bda | 1201 | i, irec.br_startoff, lino); |
2bd0ea18 NS |
1202 | return(1); |
1203 | } | |
e0a12bda | 1204 | if (irec.br_blockcount == 0 || irec.br_blockcount > max_blocks) { |
2bd0ea18 | 1205 | do_warn( |
5d1b7f0f | 1206 | _("bad extent #%d count (%" PRIu64 ") in symlink %" PRIu64 " data fork\n"), |
e0a12bda | 1207 | i, irec.br_blockcount, lino); |
2bd0ea18 NS |
1208 | return(1); |
1209 | } | |
1210 | ||
e0a12bda BN |
1211 | max_blocks -= irec.br_blockcount; |
1212 | expected_offset += irec.br_blockcount; | |
2bd0ea18 NS |
1213 | } |
1214 | ||
1215 | return(0); | |
1216 | } | |
1217 | ||
1218 | /* | |
1219 | * takes a name and length and returns 1 if the name contains | |
1220 | * a \0, returns 0 otherwise | |
1221 | */ | |
8b8a6b02 | 1222 | static int |
2bd0ea18 NS |
1223 | null_check(char *name, int length) |
1224 | { | |
1225 | int i; | |
1226 | ||
1227 | ASSERT(length < MAXPATHLEN); | |
1228 | ||
1229 | for (i = 0; i < length; i++, name++) { | |
1230 | if (*name == '\0') | |
1231 | return(1); | |
1232 | } | |
1233 | ||
1234 | return(0); | |
1235 | } | |
1236 | ||
2019931a DC |
1237 | static int |
1238 | process_symlink_remote( | |
1239 | struct xfs_mount *mp, | |
1240 | xfs_ino_t lino, | |
1241 | struct xfs_dinode *dino, | |
1242 | struct blkmap *blkmap, | |
1243 | char *dst) | |
1244 | { | |
5a35bf2c | 1245 | xfs_fsblock_t fsbno; |
2019931a DC |
1246 | struct xfs_buf *bp; |
1247 | char *src; | |
1248 | int pathlen; | |
1249 | int offset; | |
1250 | int i; | |
1251 | ||
1252 | offset = 0; | |
1253 | pathlen = be64_to_cpu(dino->di_size); | |
1254 | i = 0; | |
1255 | ||
1256 | while (pathlen > 0) { | |
1257 | int blk_cnt = 1; | |
1258 | int byte_cnt; | |
7cb3f7fe | 1259 | int badcrc = 0; |
2019931a DC |
1260 | |
1261 | fsbno = blkmap_get(blkmap, i); | |
5a35bf2c | 1262 | if (fsbno == NULLFSBLOCK) { |
2019931a DC |
1263 | do_warn( |
1264 | _("cannot read inode %" PRIu64 ", file block %d, NULL disk block\n"), | |
1265 | lino, i); | |
1266 | return 1; | |
1267 | } | |
1268 | ||
1269 | /* | |
1270 | * There's a symlink header for each contiguous extent. If | |
1271 | * there are contiguous blocks, read them in one go. | |
1272 | */ | |
1273 | while (blk_cnt <= max_symlink_blocks) { | |
1274 | if (blkmap_get(blkmap, i + 1) != fsbno + 1) | |
1275 | break; | |
1276 | blk_cnt++; | |
1277 | i++; | |
1278 | } | |
1279 | ||
1280 | byte_cnt = XFS_FSB_TO_B(mp, blk_cnt); | |
1281 | ||
1282 | bp = libxfs_readbuf(mp->m_dev, XFS_FSB_TO_DADDR(mp, fsbno), | |
1283 | BTOBB(byte_cnt), 0, &xfs_symlink_buf_ops); | |
1284 | if (!bp) { | |
1285 | do_warn( | |
1286 | _("cannot read inode %" PRIu64 ", file block %d, disk block %" PRIu64 "\n"), | |
1287 | lino, i, fsbno); | |
1288 | return 1; | |
1289 | } | |
12b53197 | 1290 | if (bp->b_error == -EFSBADCRC) { |
7cb3f7fe DC |
1291 | do_warn( |
1292 | _("Bad symlink buffer CRC, block %" PRIu64 ", inode %" PRIu64 ".\n" | |
1293 | "Correcting CRC, but symlink may be bad.\n"), fsbno, lino); | |
1294 | badcrc = 1; | |
1295 | } | |
2019931a DC |
1296 | |
1297 | byte_cnt = XFS_SYMLINK_BUF_SPACE(mp, byte_cnt); | |
1298 | byte_cnt = MIN(pathlen, byte_cnt); | |
1299 | ||
1300 | src = bp->b_addr; | |
1301 | if (xfs_sb_version_hascrc(&mp->m_sb)) { | |
ff105f75 DC |
1302 | if (!libxfs_symlink_hdr_ok(lino, offset, |
1303 | byte_cnt, bp)) { | |
2019931a DC |
1304 | do_warn( |
1305 | _("bad symlink header ino %" PRIu64 ", file block %d, disk block %" PRIu64 "\n"), | |
1306 | lino, i, fsbno); | |
1307 | libxfs_putbuf(bp); | |
1308 | return 1; | |
1309 | } | |
1310 | src += sizeof(struct xfs_dsymlink_hdr); | |
1311 | } | |
1312 | ||
1313 | memmove(dst + offset, src, byte_cnt); | |
1314 | ||
1315 | pathlen -= byte_cnt; | |
1316 | offset += byte_cnt; | |
1317 | i++; | |
1318 | ||
7cb3f7fe DC |
1319 | if (badcrc && !no_modify) |
1320 | libxfs_writebuf(bp, 0); | |
1321 | else | |
1322 | libxfs_putbuf(bp); | |
2019931a DC |
1323 | } |
1324 | return 0; | |
1325 | } | |
1326 | ||
2bd0ea18 NS |
1327 | /* |
1328 | * like usual, returns 0 if everything's ok and 1 if something's | |
1329 | * bogus | |
1330 | */ | |
8b8a6b02 | 1331 | static int |
0459b626 BN |
1332 | process_symlink( |
1333 | xfs_mount_t *mp, | |
1334 | xfs_ino_t lino, | |
1335 | xfs_dinode_t *dino, | |
1336 | blkmap_t *blkmap) | |
2bd0ea18 | 1337 | { |
2116b6a6 | 1338 | char *symlink; |
2bd0ea18 NS |
1339 | char data[MAXPATHLEN]; |
1340 | ||
1341 | /* | |
1342 | * check size against kernel symlink limits. we know | |
1343 | * size is consistent with inode storage format -- e.g. | |
1344 | * the inode is structurally ok so we don't have to check | |
1345 | * for that | |
1346 | */ | |
56b2de80 | 1347 | if (be64_to_cpu(dino->di_size) >= MAXPATHLEN) { |
5d1b7f0f CH |
1348 | do_warn(_("symlink in inode %" PRIu64 " too long (%llu chars)\n"), |
1349 | lino, (unsigned long long) be64_to_cpu(dino->di_size)); | |
2bd0ea18 NS |
1350 | return(1); |
1351 | } | |
1352 | ||
1353 | /* | |
1354 | * have to check symlink component by component. | |
1355 | * get symlink contents into data area | |
1356 | */ | |
1357 | symlink = &data[0]; | |
56b2de80 | 1358 | if (be64_to_cpu(dino->di_size) <= XFS_DFORK_DSIZE(dino, mp)) { |
2bd0ea18 NS |
1359 | /* |
1360 | * local symlink, just copy the symlink out of the | |
1361 | * inode into the data area | |
1362 | */ | |
f8149110 | 1363 | memmove(symlink, XFS_DFORK_DPTR(dino), |
56b2de80 | 1364 | be64_to_cpu(dino->di_size)); |
2bd0ea18 | 1365 | } else { |
2019931a | 1366 | int error; |
e0607266 | 1367 | |
2019931a DC |
1368 | error = process_symlink_remote(mp, lino, dino, blkmap, symlink); |
1369 | if (error) | |
1370 | return error; | |
2bd0ea18 | 1371 | } |
2019931a | 1372 | |
56b2de80 | 1373 | data[be64_to_cpu(dino->di_size)] = '\0'; |
2bd0ea18 NS |
1374 | |
1375 | /* | |
1376 | * check for nulls | |
1377 | */ | |
56b2de80 | 1378 | if (null_check(symlink, be64_to_cpu(dino->di_size))) { |
507f4e33 | 1379 | do_warn( |
5d1b7f0f | 1380 | _("found illegal null character in symlink inode %" PRIu64 "\n"), |
2bd0ea18 NS |
1381 | lino); |
1382 | return(1); | |
1383 | } | |
1384 | ||
2bd0ea18 NS |
1385 | return(0); |
1386 | } | |
1387 | ||
1388 | /* | |
1389 | * called to process the set of misc inode special inode types | |
1390 | * that have no associated data storage (fifos, pipes, devices, etc.). | |
1391 | */ | |
0459b626 | 1392 | static int |
2bd0ea18 NS |
1393 | process_misc_ino_types(xfs_mount_t *mp, |
1394 | xfs_dinode_t *dino, | |
1395 | xfs_ino_t lino, | |
1396 | int type) | |
1397 | { | |
1398 | /* | |
1399 | * disallow mountpoint inodes until such time as the | |
1400 | * kernel actually allows them to be created (will | |
1401 | * probably require a superblock version rev, sigh). | |
1402 | */ | |
1403 | if (type == XR_INO_MOUNTPOINT) { | |
5d1b7f0f CH |
1404 | do_warn( |
1405 | _("inode %" PRIu64 " has bad inode type (IFMNT)\n"), lino); | |
2bd0ea18 NS |
1406 | return(1); |
1407 | } | |
1408 | ||
1409 | /* | |
1410 | * must also have a zero size | |
1411 | */ | |
56b2de80 | 1412 | if (be64_to_cpu(dino->di_size) != 0) { |
2bd0ea18 NS |
1413 | switch (type) { |
1414 | case XR_INO_CHRDEV: | |
5d1b7f0f CH |
1415 | do_warn( |
1416 | _("size of character device inode %" PRIu64 " != 0 (%" PRId64 " bytes)\n"), lino, | |
1417 | (__int64_t)be64_to_cpu(dino->di_size)); | |
2bd0ea18 NS |
1418 | break; |
1419 | case XR_INO_BLKDEV: | |
5d1b7f0f CH |
1420 | do_warn( |
1421 | _("size of block device inode %" PRIu64 " != 0 (%" PRId64 " bytes)\n"), lino, | |
1422 | (__int64_t)be64_to_cpu(dino->di_size)); | |
2bd0ea18 NS |
1423 | break; |
1424 | case XR_INO_SOCK: | |
5d1b7f0f CH |
1425 | do_warn( |
1426 | _("size of socket inode %" PRIu64 " != 0 (%" PRId64 " bytes)\n"), lino, | |
1427 | (__int64_t)be64_to_cpu(dino->di_size)); | |
2bd0ea18 NS |
1428 | break; |
1429 | case XR_INO_FIFO: | |
5d1b7f0f CH |
1430 | do_warn( |
1431 | _("size of fifo inode %" PRIu64 " != 0 (%" PRId64 " bytes)\n"), lino, | |
1432 | (__int64_t)be64_to_cpu(dino->di_size)); | |
2bd0ea18 NS |
1433 | break; |
1434 | default: | |
507f4e33 NS |
1435 | do_warn(_("Internal error - process_misc_ino_types, " |
1436 | "illegal type %d\n"), type); | |
2bd0ea18 NS |
1437 | abort(); |
1438 | } | |
1439 | ||
1440 | return(1); | |
1441 | } | |
1442 | ||
1443 | return(0); | |
1444 | } | |
1445 | ||
5e656dbb | 1446 | static int |
5a35bf2c | 1447 | process_misc_ino_types_blocks(xfs_rfsblock_t totblocks, xfs_ino_t lino, int type) |
2bd0ea18 NS |
1448 | { |
1449 | /* | |
1450 | * you can not enforce all misc types have zero data fork blocks | |
56b2de80 | 1451 | * by checking dino->di_nblocks because atotblocks (attribute |
2bd0ea18 | 1452 | * blocks) are part of nblocks. We must check this later when atotblocks |
dfc130f3 | 1453 | * has been calculated or by doing a simple check that anExtents == 0. |
2bd0ea18 NS |
1454 | * We must also guarantee that totblocks is 0. Thus nblocks checking |
1455 | * will be done later in process_dinode_int for misc types. | |
1456 | */ | |
1457 | ||
1458 | if (totblocks != 0) { | |
1459 | switch (type) { | |
1460 | case XR_INO_CHRDEV: | |
1461 | do_warn( | |
5d1b7f0f | 1462 | _("size of character device inode %" PRIu64 " != 0 (%" PRIu64 " blocks)\n"), |
2bd0ea18 NS |
1463 | lino, totblocks); |
1464 | break; | |
1465 | case XR_INO_BLKDEV: | |
1466 | do_warn( | |
5d1b7f0f | 1467 | _("size of block device inode %" PRIu64 " != 0 (%" PRIu64 " blocks)\n"), |
2bd0ea18 NS |
1468 | lino, totblocks); |
1469 | break; | |
1470 | case XR_INO_SOCK: | |
1471 | do_warn( | |
5d1b7f0f | 1472 | _("size of socket inode %" PRIu64 " != 0 (%" PRIu64 " blocks)\n"), |
2bd0ea18 NS |
1473 | lino, totblocks); |
1474 | break; | |
1475 | case XR_INO_FIFO: | |
1476 | do_warn( | |
5d1b7f0f | 1477 | _("size of fifo inode %" PRIu64 " != 0 (%" PRIu64 " blocks)\n"), |
2bd0ea18 NS |
1478 | lino, totblocks); |
1479 | break; | |
1480 | default: | |
1481 | return(0); | |
1482 | } | |
1483 | return(1); | |
1484 | } | |
1485 | return (0); | |
1486 | } | |
1487 | ||
0459b626 BN |
1488 | static inline int |
1489 | dinode_fmt( | |
56b2de80 | 1490 | xfs_dinode_t *dino) |
2bd0ea18 | 1491 | { |
56b2de80 | 1492 | return be16_to_cpu(dino->di_mode) & S_IFMT; |
0459b626 | 1493 | } |
2bd0ea18 | 1494 | |
0459b626 BN |
1495 | static inline void |
1496 | change_dinode_fmt( | |
56b2de80 | 1497 | xfs_dinode_t *dino, |
0459b626 BN |
1498 | int new_fmt) |
1499 | { | |
56b2de80 | 1500 | int mode = be16_to_cpu(dino->di_mode); |
2bd0ea18 | 1501 | |
0459b626 | 1502 | ASSERT((new_fmt & ~S_IFMT) == 0); |
2bd0ea18 | 1503 | |
0459b626 BN |
1504 | mode &= ~S_IFMT; |
1505 | mode |= new_fmt; | |
56b2de80 | 1506 | dino->di_mode = cpu_to_be16(mode); |
0459b626 BN |
1507 | } |
1508 | ||
1509 | static int | |
1510 | check_dinode_mode_format( | |
56b2de80 | 1511 | xfs_dinode_t *dinoc) |
0459b626 | 1512 | { |
5e656dbb | 1513 | if (dinoc->di_format >= XFS_DINODE_FMT_UUID) |
0459b626 BN |
1514 | return -1; /* FMT_UUID is not used */ |
1515 | ||
1516 | switch (dinode_fmt(dinoc)) { | |
1517 | case S_IFIFO: | |
1518 | case S_IFCHR: | |
1519 | case S_IFBLK: | |
1520 | case S_IFSOCK: | |
1521 | return (dinoc->di_format != XFS_DINODE_FMT_DEV) ? -1 : 0; | |
1522 | ||
1523 | case S_IFDIR: | |
1524 | return (dinoc->di_format < XFS_DINODE_FMT_LOCAL || | |
1525 | dinoc->di_format > XFS_DINODE_FMT_BTREE) ? -1 : 0; | |
1526 | ||
1527 | case S_IFREG: | |
1528 | return (dinoc->di_format < XFS_DINODE_FMT_EXTENTS || | |
1529 | dinoc->di_format > XFS_DINODE_FMT_BTREE) ? -1 : 0; | |
1530 | ||
1531 | case S_IFLNK: | |
1532 | return (dinoc->di_format < XFS_DINODE_FMT_LOCAL || | |
1533 | dinoc->di_format > XFS_DINODE_FMT_EXTENTS) ? -1 : 0; | |
1534 | ||
1535 | default: ; | |
1536 | } | |
1537 | return 0; /* invalid modes are checked elsewhere */ | |
1538 | } | |
1539 | ||
1540 | /* | |
1541 | * If inode is a superblock inode, does type check to make sure is it valid. | |
1542 | * Returns 0 if it's valid, non-zero if it needs to be cleared. | |
1543 | */ | |
1544 | ||
1545 | static int | |
1546 | process_check_sb_inodes( | |
1547 | xfs_mount_t *mp, | |
56b2de80 | 1548 | xfs_dinode_t *dinoc, |
0459b626 BN |
1549 | xfs_ino_t lino, |
1550 | int *type, | |
1551 | int *dirty) | |
1552 | { | |
1553 | if (lino == mp->m_sb.sb_rootino) { | |
1554 | if (*type != XR_INO_DIR) { | |
5d1b7f0f | 1555 | do_warn(_("root inode %" PRIu64 " has bad type 0x%x\n"), |
0459b626 BN |
1556 | lino, dinode_fmt(dinoc)); |
1557 | *type = XR_INO_DIR; | |
2bd0ea18 | 1558 | if (!no_modify) { |
0459b626 BN |
1559 | do_warn(_("resetting to directory\n")); |
1560 | change_dinode_fmt(dinoc, S_IFDIR); | |
2bd0ea18 | 1561 | *dirty = 1; |
0459b626 BN |
1562 | } else |
1563 | do_warn(_("would reset to directory\n")); | |
2bd0ea18 | 1564 | } |
0459b626 | 1565 | return 0; |
2bd0ea18 | 1566 | } |
0459b626 BN |
1567 | if (lino == mp->m_sb.sb_uquotino) { |
1568 | if (*type != XR_INO_DATA) { | |
5d1b7f0f | 1569 | do_warn(_("user quota inode %" PRIu64 " has bad type 0x%x\n"), |
0459b626 BN |
1570 | lino, dinode_fmt(dinoc)); |
1571 | mp->m_sb.sb_uquotino = NULLFSINO; | |
1572 | return 1; | |
1573 | } | |
1574 | return 0; | |
1575 | } | |
1576 | if (lino == mp->m_sb.sb_gquotino) { | |
1577 | if (*type != XR_INO_DATA) { | |
5d1b7f0f | 1578 | do_warn(_("group quota inode %" PRIu64 " has bad type 0x%x\n"), |
0459b626 BN |
1579 | lino, dinode_fmt(dinoc)); |
1580 | mp->m_sb.sb_gquotino = NULLFSINO; | |
1581 | return 1; | |
1582 | } | |
1583 | return 0; | |
1584 | } | |
0340d706 CS |
1585 | if (lino == mp->m_sb.sb_pquotino) { |
1586 | if (*type != XR_INO_DATA) { | |
1587 | do_warn(_("project quota inode %" PRIu64 " has bad type 0x%x\n"), | |
1588 | lino, dinode_fmt(dinoc)); | |
1589 | mp->m_sb.sb_pquotino = NULLFSINO; | |
1590 | return 1; | |
1591 | } | |
1592 | return 0; | |
1593 | } | |
0459b626 BN |
1594 | if (lino == mp->m_sb.sb_rsumino) { |
1595 | if (*type != XR_INO_RTSUM) { | |
5d1b7f0f CH |
1596 | do_warn( |
1597 | _("realtime summary inode %" PRIu64 " has bad type 0x%x, "), | |
0459b626 | 1598 | lino, dinode_fmt(dinoc)); |
2bd0ea18 | 1599 | if (!no_modify) { |
0459b626 BN |
1600 | do_warn(_("resetting to regular file\n")); |
1601 | change_dinode_fmt(dinoc, S_IFREG); | |
2bd0ea18 | 1602 | *dirty = 1; |
2bd0ea18 | 1603 | } else { |
0459b626 | 1604 | do_warn(_("would reset to regular file\n")); |
2bd0ea18 | 1605 | } |
2bd0ea18 | 1606 | } |
0459b626 | 1607 | if (mp->m_sb.sb_rblocks == 0 && dinoc->di_nextents != 0) { |
5d1b7f0f CH |
1608 | do_warn( |
1609 | _("bad # of extents (%u) for realtime summary inode %" PRIu64 "\n"), | |
0459b626 BN |
1610 | be32_to_cpu(dinoc->di_nextents), lino); |
1611 | return 1; | |
1612 | } | |
1613 | return 0; | |
2bd0ea18 | 1614 | } |
0459b626 BN |
1615 | if (lino == mp->m_sb.sb_rbmino) { |
1616 | if (*type != XR_INO_RTBITMAP) { | |
5d1b7f0f CH |
1617 | do_warn( |
1618 | _("realtime bitmap inode %" PRIu64 " has bad type 0x%x, "), | |
0459b626 | 1619 | lino, dinode_fmt(dinoc)); |
2bd0ea18 | 1620 | if (!no_modify) { |
0459b626 BN |
1621 | do_warn(_("resetting to regular file\n")); |
1622 | change_dinode_fmt(dinoc, S_IFREG); | |
2bd0ea18 | 1623 | *dirty = 1; |
0459b626 BN |
1624 | } else { |
1625 | do_warn(_("would reset to regular file\n")); | |
2bd0ea18 | 1626 | } |
2bd0ea18 | 1627 | } |
0459b626 | 1628 | if (mp->m_sb.sb_rblocks == 0 && dinoc->di_nextents != 0) { |
5d1b7f0f CH |
1629 | do_warn( |
1630 | _("bad # of extents (%u) for realtime bitmap inode %" PRIu64 "\n"), | |
0459b626 BN |
1631 | be32_to_cpu(dinoc->di_nextents), lino); |
1632 | return 1; | |
2bd0ea18 | 1633 | } |
0459b626 BN |
1634 | return 0; |
1635 | } | |
1636 | return 0; | |
1637 | } | |
2bd0ea18 | 1638 | |
0459b626 BN |
1639 | /* |
1640 | * general size/consistency checks: | |
1641 | * | |
1642 | * if the size <= size of the data fork, directories must be | |
1643 | * local inodes unlike regular files which would be extent inodes. | |
1644 | * all the other mentioned types have to have a zero size value. | |
1645 | * | |
1646 | * if the size and format don't match, get out now rather than | |
1647 | * risk trying to process a non-existent extents or btree | |
1648 | * type data fork. | |
1649 | */ | |
1650 | static int | |
1651 | process_check_inode_sizes( | |
1652 | xfs_mount_t *mp, | |
1653 | xfs_dinode_t *dino, | |
1654 | xfs_ino_t lino, | |
1655 | int type) | |
1656 | { | |
56b2de80 | 1657 | xfs_fsize_t size = be64_to_cpu(dino->di_size); |
2bd0ea18 | 1658 | |
0459b626 | 1659 | switch (type) { |
2bd0ea18 | 1660 | |
0459b626 BN |
1661 | case XR_INO_DIR: |
1662 | if (size <= XFS_DFORK_DSIZE(dino, mp) && | |
56b2de80 | 1663 | dino->di_format != XFS_DINODE_FMT_LOCAL) { |
5d1b7f0f CH |
1664 | do_warn( |
1665 | _("mismatch between format (%d) and size (%" PRId64 ") in directory ino %" PRIu64 "\n"), | |
56b2de80 | 1666 | dino->di_format, size, lino); |
0459b626 | 1667 | return 1; |
2bd0ea18 | 1668 | } |
42237e34 | 1669 | if (size > XFS_DIR2_LEAF_OFFSET) { |
5d1b7f0f CH |
1670 | do_warn( |
1671 | _("directory inode %" PRIu64 " has bad size %" PRId64 "\n"), | |
42237e34 BN |
1672 | lino, size); |
1673 | return 1; | |
1674 | } | |
0459b626 | 1675 | break; |
2bd0ea18 | 1676 | |
0459b626 BN |
1677 | case XR_INO_SYMLINK: |
1678 | if (process_symlink_extlist(mp, lino, dino)) { | |
5d1b7f0f | 1679 | do_warn(_("bad data fork in symlink %" PRIu64 "\n"), lino); |
0459b626 BN |
1680 | return 1; |
1681 | } | |
1682 | break; | |
2bd0ea18 | 1683 | |
0459b626 BN |
1684 | case XR_INO_CHRDEV: /* fall through to FIFO case ... */ |
1685 | case XR_INO_BLKDEV: /* fall through to FIFO case ... */ | |
1686 | case XR_INO_SOCK: /* fall through to FIFO case ... */ | |
1687 | case XR_INO_MOUNTPOINT: /* fall through to FIFO case ... */ | |
1688 | case XR_INO_FIFO: | |
1689 | if (process_misc_ino_types(mp, dino, lino, type)) | |
1690 | return 1; | |
1691 | break; | |
2bd0ea18 | 1692 | |
0459b626 BN |
1693 | case XR_INO_RTDATA: |
1694 | /* | |
1695 | * if we have no realtime blocks, any inode claiming | |
1696 | * to be a real-time file is bogus | |
1697 | */ | |
1698 | if (mp->m_sb.sb_rblocks == 0) { | |
5d1b7f0f CH |
1699 | do_warn( |
1700 | _("found inode %" PRIu64 " claiming to be a real-time file\n"), lino); | |
0459b626 | 1701 | return 1; |
2bd0ea18 | 1702 | } |
0459b626 | 1703 | break; |
2bd0ea18 | 1704 | |
0459b626 BN |
1705 | case XR_INO_RTBITMAP: |
1706 | if (size != (__int64_t)mp->m_sb.sb_rbmblocks * | |
1707 | mp->m_sb.sb_blocksize) { | |
5d1b7f0f CH |
1708 | do_warn( |
1709 | _("realtime bitmap inode %" PRIu64 " has bad size %" PRId64 " (should be %" PRIu64 ")\n"), | |
1710 | lino, size, | |
1711 | (__int64_t) mp->m_sb.sb_rbmblocks * | |
0459b626 BN |
1712 | mp->m_sb.sb_blocksize); |
1713 | return 1; | |
1714 | } | |
1715 | break; | |
2bd0ea18 | 1716 | |
0459b626 BN |
1717 | case XR_INO_RTSUM: |
1718 | if (size != mp->m_rsumsize) { | |
5d1b7f0f CH |
1719 | do_warn( |
1720 | _("realtime summary inode %" PRIu64 " has bad size %" PRId64 " (should be %d)\n"), | |
0459b626 BN |
1721 | lino, size, mp->m_rsumsize); |
1722 | return 1; | |
1723 | } | |
1724 | break; | |
2bd0ea18 | 1725 | |
0459b626 BN |
1726 | default: |
1727 | break; | |
1728 | } | |
1729 | return 0; | |
1730 | } | |
2bd0ea18 | 1731 | |
0459b626 BN |
1732 | /* |
1733 | * check for illegal values of forkoff | |
1734 | */ | |
1735 | static int | |
1736 | process_check_inode_forkoff( | |
1737 | xfs_mount_t *mp, | |
56b2de80 | 1738 | xfs_dinode_t *dino, |
0459b626 BN |
1739 | xfs_ino_t lino) |
1740 | { | |
56b2de80 | 1741 | if (dino->di_forkoff == 0) |
0459b626 | 1742 | return 0; |
2bd0ea18 | 1743 | |
56b2de80 | 1744 | switch (dino->di_format) { |
0459b626 | 1745 | case XFS_DINODE_FMT_DEV: |
56b2de80 | 1746 | if (dino->di_forkoff != (roundup(sizeof(xfs_dev_t), 8) >> 3)) { |
5d1b7f0f CH |
1747 | do_warn( |
1748 | _("bad attr fork offset %d in dev inode %" PRIu64 ", should be %d\n"), | |
1749 | dino->di_forkoff, lino, | |
0459b626 BN |
1750 | (int)(roundup(sizeof(xfs_dev_t), 8) >> 3)); |
1751 | return 1; | |
1752 | } | |
2bd0ea18 | 1753 | break; |
0459b626 BN |
1754 | case XFS_DINODE_FMT_LOCAL: /* fall through ... */ |
1755 | case XFS_DINODE_FMT_EXTENTS: /* fall through ... */ | |
1756 | case XFS_DINODE_FMT_BTREE: | |
49f693fa DC |
1757 | if (dino->di_forkoff >= |
1758 | (XFS_LITINO(mp, dino->di_version) >> 3)) { | |
5d1b7f0f CH |
1759 | do_warn( |
1760 | _("bad attr fork offset %d in inode %" PRIu64 ", max=%d\n"), | |
1761 | dino->di_forkoff, lino, | |
49f693fa | 1762 | XFS_LITINO(mp, dino->di_version) >> 3); |
0459b626 BN |
1763 | return 1; |
1764 | } | |
2bd0ea18 | 1765 | break; |
2bd0ea18 | 1766 | default: |
56b2de80 | 1767 | do_error(_("unexpected inode format %d\n"), dino->di_format); |
0459b626 | 1768 | break; |
2bd0ea18 | 1769 | } |
0459b626 BN |
1770 | return 0; |
1771 | } | |
2bd0ea18 | 1772 | |
0459b626 BN |
1773 | /* |
1774 | * Updates the inodes block and extent counts if they are wrong | |
1775 | */ | |
1776 | static int | |
1777 | process_inode_blocks_and_extents( | |
56b2de80 | 1778 | xfs_dinode_t *dino, |
5a35bf2c | 1779 | xfs_rfsblock_t nblocks, |
0459b626 BN |
1780 | __uint64_t nextents, |
1781 | __uint64_t anextents, | |
1782 | xfs_ino_t lino, | |
1783 | int *dirty) | |
1784 | { | |
56b2de80 | 1785 | if (nblocks != be64_to_cpu(dino->di_nblocks)) { |
2bd0ea18 | 1786 | if (!no_modify) { |
5d1b7f0f CH |
1787 | do_warn( |
1788 | _("correcting nblocks for inode %" PRIu64 ", was %llu - counted %" PRIu64 "\n"), lino, | |
1789 | (unsigned long long) be64_to_cpu(dino->di_nblocks), | |
1790 | nblocks); | |
56b2de80 | 1791 | dino->di_nblocks = cpu_to_be64(nblocks); |
0459b626 | 1792 | *dirty = 1; |
2bd0ea18 | 1793 | } else { |
5d1b7f0f CH |
1794 | do_warn( |
1795 | _("bad nblocks %llu for inode %" PRIu64 ", would reset to %" PRIu64 "\n"), | |
1796 | (unsigned long long) be64_to_cpu(dino->di_nblocks), | |
1797 | lino, nblocks); | |
2bd0ea18 NS |
1798 | } |
1799 | } | |
1800 | ||
0459b626 | 1801 | if (nextents > MAXEXTNUM) { |
5d1b7f0f CH |
1802 | do_warn( |
1803 | _("too many data fork extents (%" PRIu64 ") in inode %" PRIu64 "\n"), | |
0459b626 BN |
1804 | nextents, lino); |
1805 | return 1; | |
1806 | } | |
56b2de80 | 1807 | if (nextents != be32_to_cpu(dino->di_nextents)) { |
2bd0ea18 | 1808 | if (!no_modify) { |
5d1b7f0f CH |
1809 | do_warn( |
1810 | _("correcting nextents for inode %" PRIu64 ", was %d - counted %" PRIu64 "\n"), | |
1811 | lino, | |
1812 | be32_to_cpu(dino->di_nextents), | |
1813 | nextents); | |
56b2de80 | 1814 | dino->di_nextents = cpu_to_be32(nextents); |
0459b626 | 1815 | *dirty = 1; |
2bd0ea18 | 1816 | } else { |
5d1b7f0f CH |
1817 | do_warn( |
1818 | _("bad nextents %d for inode %" PRIu64 ", would reset to %" PRIu64 "\n"), | |
1819 | be32_to_cpu(dino->di_nextents), | |
0459b626 | 1820 | lino, nextents); |
2bd0ea18 NS |
1821 | } |
1822 | } | |
1823 | ||
0459b626 | 1824 | if (anextents > MAXAEXTNUM) { |
5d1b7f0f CH |
1825 | do_warn( |
1826 | _("too many attr fork extents (%" PRIu64 ") in inode %" PRIu64 "\n"), | |
0459b626 BN |
1827 | anextents, lino); |
1828 | return 1; | |
2bd0ea18 | 1829 | } |
56b2de80 | 1830 | if (anextents != be16_to_cpu(dino->di_anextents)) { |
2bd0ea18 | 1831 | if (!no_modify) { |
5d1b7f0f CH |
1832 | do_warn( |
1833 | _("correcting anextents for inode %" PRIu64 ", was %d - counted %" PRIu64 "\n"), | |
1834 | lino, | |
56b2de80 DC |
1835 | be16_to_cpu(dino->di_anextents), anextents); |
1836 | dino->di_anextents = cpu_to_be16(anextents); | |
0459b626 BN |
1837 | *dirty = 1; |
1838 | } else { | |
5d1b7f0f CH |
1839 | do_warn( |
1840 | _("bad anextents %d for inode %" PRIu64 ", would reset to %" PRIu64 "\n"), | |
1841 | be16_to_cpu(dino->di_anextents), | |
0459b626 | 1842 | lino, anextents); |
2bd0ea18 | 1843 | } |
2bd0ea18 | 1844 | } |
e1f43b4c CH |
1845 | |
1846 | /* | |
1847 | * We are comparing different units here, but that's fine given that | |
1848 | * an extent has to have at least a block in it. | |
1849 | */ | |
1850 | if (nblocks < nextents + anextents) { | |
1851 | do_warn( | |
1852 | _("nblocks (%" PRIu64 ") smaller than nextents for inode %" PRIu64 "\n"), nblocks, lino); | |
1853 | return 1; | |
1854 | } | |
1855 | ||
0459b626 BN |
1856 | return 0; |
1857 | } | |
2bd0ea18 | 1858 | |
0459b626 BN |
1859 | /* |
1860 | * check data fork -- if it's bad, clear the inode | |
1861 | */ | |
1862 | static int | |
1863 | process_inode_data_fork( | |
1864 | xfs_mount_t *mp, | |
1865 | xfs_agnumber_t agno, | |
1866 | xfs_agino_t ino, | |
1867 | xfs_dinode_t *dino, | |
1868 | int type, | |
1869 | int *dirty, | |
5a35bf2c | 1870 | xfs_rfsblock_t *totblocks, |
0459b626 BN |
1871 | __uint64_t *nextents, |
1872 | blkmap_t **dblkmap, | |
1873 | int check_dups) | |
1874 | { | |
0459b626 BN |
1875 | xfs_ino_t lino = XFS_AGINO_TO_INO(mp, agno, ino); |
1876 | int err = 0; | |
5fa28531 DC |
1877 | int nex; |
1878 | ||
1879 | /* | |
1880 | * extent count on disk is only valid for positive values. The kernel | |
1881 | * uses negative values in memory. hence if we see negative numbers | |
1882 | * here, trash it! | |
1883 | */ | |
1884 | nex = be32_to_cpu(dino->di_nextents); | |
1885 | if (nex < 0) | |
1886 | *nextents = 1; | |
1887 | else | |
1888 | *nextents = nex; | |
2bd0ea18 | 1889 | |
56b2de80 | 1890 | if (*nextents > be64_to_cpu(dino->di_nblocks)) |
0459b626 | 1891 | *nextents = 1; |
2bd0ea18 | 1892 | |
5fa28531 | 1893 | |
56b2de80 | 1894 | if (dino->di_format != XFS_DINODE_FMT_LOCAL && type != XR_INO_RTDATA) |
610f3285 | 1895 | *dblkmap = blkmap_alloc(*nextents, XFS_DATA_FORK); |
0459b626 | 1896 | *nextents = 0; |
2bd0ea18 | 1897 | |
56b2de80 | 1898 | switch (dino->di_format) { |
2bd0ea18 | 1899 | case XFS_DINODE_FMT_LOCAL: |
5e656dbb BN |
1900 | err = process_lclinode(mp, agno, ino, dino, XFS_DATA_FORK); |
1901 | *totblocks = 0; | |
2bd0ea18 NS |
1902 | break; |
1903 | case XFS_DINODE_FMT_EXTENTS: | |
0459b626 BN |
1904 | err = process_exinode(mp, agno, ino, dino, type, dirty, |
1905 | totblocks, nextents, dblkmap, XFS_DATA_FORK, | |
1906 | check_dups); | |
2bd0ea18 NS |
1907 | break; |
1908 | case XFS_DINODE_FMT_BTREE: | |
0459b626 BN |
1909 | err = process_btinode(mp, agno, ino, dino, type, dirty, |
1910 | totblocks, nextents, dblkmap, XFS_DATA_FORK, | |
1911 | check_dups); | |
2bd0ea18 NS |
1912 | break; |
1913 | case XFS_DINODE_FMT_DEV: /* fall through */ | |
2bd0ea18 NS |
1914 | err = 0; |
1915 | break; | |
1916 | default: | |
5d1b7f0f | 1917 | do_error(_("unknown format %d, ino %" PRIu64 " (mode = %d)\n"), |
56b2de80 | 1918 | dino->di_format, lino, be16_to_cpu(dino->di_mode)); |
2bd0ea18 NS |
1919 | } |
1920 | ||
1921 | if (err) { | |
5d1b7f0f | 1922 | do_warn(_("bad data fork in inode %" PRIu64 "\n"), lino); |
2bd0ea18 NS |
1923 | if (!no_modify) { |
1924 | *dirty += clear_dinode(mp, dino, lino); | |
1925 | ASSERT(*dirty > 0); | |
1926 | } | |
0459b626 | 1927 | return 1; |
2bd0ea18 NS |
1928 | } |
1929 | ||
1930 | if (check_dups) { | |
1931 | /* | |
1932 | * if check_dups was non-zero, we have to | |
1933 | * re-process data fork to set bitmap since the | |
1934 | * bitmap wasn't set the first time through | |
1935 | */ | |
56b2de80 | 1936 | switch (dino->di_format) { |
2bd0ea18 | 1937 | case XFS_DINODE_FMT_LOCAL: |
f8149110 | 1938 | err = process_lclinode(mp, agno, ino, dino, |
5e656dbb | 1939 | XFS_DATA_FORK); |
2bd0ea18 NS |
1940 | break; |
1941 | case XFS_DINODE_FMT_EXTENTS: | |
1942 | err = process_exinode(mp, agno, ino, dino, type, | |
0459b626 | 1943 | dirty, totblocks, nextents, dblkmap, |
2bd0ea18 NS |
1944 | XFS_DATA_FORK, 0); |
1945 | break; | |
1946 | case XFS_DINODE_FMT_BTREE: | |
1947 | err = process_btinode(mp, agno, ino, dino, type, | |
0459b626 | 1948 | dirty, totblocks, nextents, dblkmap, |
2bd0ea18 NS |
1949 | XFS_DATA_FORK, 0); |
1950 | break; | |
1951 | case XFS_DINODE_FMT_DEV: /* fall through */ | |
2bd0ea18 NS |
1952 | err = 0; |
1953 | break; | |
1954 | default: | |
5d1b7f0f | 1955 | do_error(_("unknown format %d, ino %" PRIu64 " (mode = %d)\n"), |
56b2de80 DC |
1956 | dino->di_format, lino, |
1957 | be16_to_cpu(dino->di_mode)); | |
2bd0ea18 NS |
1958 | } |
1959 | ||
0459b626 BN |
1960 | if (no_modify && err != 0) |
1961 | return 1; | |
2bd0ea18 NS |
1962 | |
1963 | ASSERT(err == 0); | |
1964 | } | |
0459b626 BN |
1965 | return 0; |
1966 | } | |
2bd0ea18 | 1967 | |
0459b626 BN |
1968 | /* |
1969 | * Process extended attribute fork in inode | |
1970 | */ | |
1971 | static int | |
1972 | process_inode_attr_fork( | |
1973 | xfs_mount_t *mp, | |
1974 | xfs_agnumber_t agno, | |
1975 | xfs_agino_t ino, | |
1976 | xfs_dinode_t *dino, | |
1977 | int type, | |
1978 | int *dirty, | |
5a35bf2c | 1979 | xfs_rfsblock_t *atotblocks, |
0459b626 BN |
1980 | __uint64_t *anextents, |
1981 | int check_dups, | |
1982 | int extra_attr_check, | |
1983 | int *retval) | |
1984 | { | |
0459b626 BN |
1985 | xfs_ino_t lino = XFS_AGINO_TO_INO(mp, agno, ino); |
1986 | blkmap_t *ablkmap = NULL; | |
1987 | int repair = 0; | |
1988 | int err; | |
1989 | ||
1990 | if (!XFS_DFORK_Q(dino)) { | |
1991 | *anextents = 0; | |
56b2de80 | 1992 | if (dino->di_aformat != XFS_DINODE_FMT_EXTENTS) { |
5d1b7f0f | 1993 | do_warn(_("bad attribute format %d in inode %" PRIu64 ", "), |
56b2de80 | 1994 | dino->di_aformat, lino); |
0459b626 BN |
1995 | if (!no_modify) { |
1996 | do_warn(_("resetting value\n")); | |
56b2de80 | 1997 | dino->di_aformat = XFS_DINODE_FMT_EXTENTS; |
0459b626 BN |
1998 | *dirty = 1; |
1999 | } else | |
2000 | do_warn(_("would reset value\n")); | |
2001 | } | |
2002 | return 0; | |
2003 | } | |
2bd0ea18 | 2004 | |
56b2de80 DC |
2005 | *anextents = be16_to_cpu(dino->di_anextents); |
2006 | if (*anextents > be64_to_cpu(dino->di_nblocks)) | |
0459b626 BN |
2007 | *anextents = 1; |
2008 | ||
56b2de80 | 2009 | switch (dino->di_aformat) { |
0459b626 BN |
2010 | case XFS_DINODE_FMT_LOCAL: |
2011 | *anextents = 0; | |
5e656dbb BN |
2012 | *atotblocks = 0; |
2013 | err = process_lclinode(mp, agno, ino, dino, XFS_ATTR_FORK); | |
0459b626 BN |
2014 | break; |
2015 | case XFS_DINODE_FMT_EXTENTS: | |
610f3285 | 2016 | ablkmap = blkmap_alloc(*anextents, XFS_ATTR_FORK); |
0459b626 BN |
2017 | *anextents = 0; |
2018 | err = process_exinode(mp, agno, ino, dino, type, dirty, | |
2019 | atotblocks, anextents, &ablkmap, | |
2bd0ea18 | 2020 | XFS_ATTR_FORK, check_dups); |
0459b626 BN |
2021 | break; |
2022 | case XFS_DINODE_FMT_BTREE: | |
610f3285 | 2023 | ablkmap = blkmap_alloc(*anextents, XFS_ATTR_FORK); |
0459b626 BN |
2024 | *anextents = 0; |
2025 | err = process_btinode(mp, agno, ino, dino, type, dirty, | |
2026 | atotblocks, anextents, &ablkmap, | |
2bd0ea18 | 2027 | XFS_ATTR_FORK, check_dups); |
0459b626 BN |
2028 | break; |
2029 | default: | |
5d1b7f0f | 2030 | do_warn(_("illegal attribute format %d, ino %" PRIu64 "\n"), |
56b2de80 | 2031 | dino->di_aformat, lino); |
0459b626 BN |
2032 | err = 1; |
2033 | break; | |
2034 | } | |
2bd0ea18 | 2035 | |
0459b626 BN |
2036 | if (err) { |
2037 | /* | |
2038 | * clear the attribute fork if necessary. we can't | |
2039 | * clear the inode because we've already put the | |
2040 | * inode space info into the blockmap. | |
2041 | * | |
2042 | * XXX - put the inode onto the "move it" list and | |
2043 | * log the the attribute scrubbing | |
2044 | */ | |
5d1b7f0f | 2045 | do_warn(_("bad attribute fork in inode %" PRIu64), lino); |
2bd0ea18 | 2046 | |
0459b626 | 2047 | if (!no_modify) { |
2bd0ea18 | 2048 | if (delete_attr_ok) { |
0459b626 BN |
2049 | do_warn(_(", clearing attr fork\n")); |
2050 | *dirty += clear_dinode_attr(mp, dino, lino); | |
56b2de80 | 2051 | dino->di_aformat = XFS_DINODE_FMT_LOCAL; |
2bd0ea18 | 2052 | } else { |
0459b626 BN |
2053 | do_warn("\n"); |
2054 | *dirty += clear_dinode(mp, dino, lino); | |
2bd0ea18 | 2055 | } |
0459b626 BN |
2056 | ASSERT(*dirty > 0); |
2057 | } else { | |
2058 | do_warn(_(", would clear attr fork\n")); | |
2bd0ea18 NS |
2059 | } |
2060 | ||
0459b626 BN |
2061 | *atotblocks = 0; |
2062 | *anextents = 0; | |
2bd0ea18 | 2063 | blkmap_free(ablkmap); |
0459b626 | 2064 | *retval = 1; |
2bd0ea18 | 2065 | |
0459b626 | 2066 | return delete_attr_ok ? 0 : 1; |
2bd0ea18 NS |
2067 | } |
2068 | ||
0459b626 | 2069 | if (check_dups) { |
56b2de80 | 2070 | switch (dino->di_aformat) { |
0459b626 | 2071 | case XFS_DINODE_FMT_LOCAL: |
f8149110 | 2072 | err = process_lclinode(mp, agno, ino, dino, |
5e656dbb | 2073 | XFS_ATTR_FORK); |
0459b626 BN |
2074 | break; |
2075 | case XFS_DINODE_FMT_EXTENTS: | |
2076 | err = process_exinode(mp, agno, ino, dino, | |
2077 | type, dirty, atotblocks, anextents, | |
2078 | &ablkmap, XFS_ATTR_FORK, 0); | |
2079 | break; | |
2080 | case XFS_DINODE_FMT_BTREE: | |
2081 | err = process_btinode(mp, agno, ino, dino, | |
2082 | type, dirty, atotblocks, anextents, | |
2083 | &ablkmap, XFS_ATTR_FORK, 0); | |
2084 | break; | |
2085 | default: | |
5d1b7f0f | 2086 | do_error(_("illegal attribute fmt %d, ino %" PRIu64 "\n"), |
56b2de80 | 2087 | dino->di_aformat, lino); |
2bd0ea18 | 2088 | } |
2bd0ea18 | 2089 | |
0459b626 BN |
2090 | if (no_modify && err != 0) { |
2091 | blkmap_free(ablkmap); | |
2092 | return 1; | |
2bd0ea18 | 2093 | } |
2bd0ea18 | 2094 | |
0459b626 | 2095 | ASSERT(err == 0); |
2bd0ea18 NS |
2096 | } |
2097 | ||
0459b626 BN |
2098 | /* |
2099 | * do attribute semantic-based consistency checks now | |
2100 | */ | |
2bd0ea18 | 2101 | |
0459b626 BN |
2102 | /* get this only in phase 3, not in both phase 3 and 4 */ |
2103 | if (extra_attr_check && | |
2104 | process_attributes(mp, lino, dino, ablkmap, &repair)) { | |
5d1b7f0f CH |
2105 | do_warn( |
2106 | _("problem with attribute contents in inode %" PRIu64 "\n"), | |
0459b626 BN |
2107 | lino); |
2108 | if (!repair) { | |
2109 | /* clear attributes if not done already */ | |
2110 | if (!no_modify) { | |
2111 | *dirty += clear_dinode_attr(mp, dino, lino); | |
56b2de80 | 2112 | dino->di_aformat = XFS_DINODE_FMT_LOCAL; |
0459b626 BN |
2113 | } else { |
2114 | do_warn(_("would clear attr fork\n")); | |
2115 | } | |
2116 | *atotblocks = 0; | |
2117 | *anextents = 0; | |
2bd0ea18 | 2118 | } |
0459b626 BN |
2119 | else { |
2120 | *dirty = 1; /* it's been repaired */ | |
2bd0ea18 NS |
2121 | } |
2122 | } | |
0459b626 BN |
2123 | blkmap_free(ablkmap); |
2124 | return 0; | |
2125 | } | |
2bd0ea18 | 2126 | |
0459b626 BN |
2127 | /* |
2128 | * check nlinks feature, if it's a version 1 inode, | |
2129 | * just leave nlinks alone. even if it's set wrong, | |
2130 | * it'll be reset when read in. | |
2131 | */ | |
2bd0ea18 | 2132 | |
0459b626 BN |
2133 | static int |
2134 | process_check_inode_nlink_version( | |
56b2de80 | 2135 | xfs_dinode_t *dino, |
0459b626 BN |
2136 | xfs_ino_t lino) |
2137 | { | |
2138 | int dirty = 0; | |
2bd0ea18 | 2139 | |
2bd0ea18 | 2140 | /* |
5f6f3660 | 2141 | * if it's a version 2 inode, it should have a zero |
2bd0ea18 NS |
2142 | * onlink field, so clear it. |
2143 | */ | |
5f6f3660 | 2144 | if (dino->di_version > 1 && dino->di_onlink != 0) { |
0459b626 | 2145 | if (!no_modify) { |
5d1b7f0f CH |
2146 | do_warn( |
2147 | _("clearing obsolete nlink field in version 2 inode %" PRIu64 ", was %d, now 0\n"), | |
56b2de80 DC |
2148 | lino, be16_to_cpu(dino->di_onlink)); |
2149 | dino->di_onlink = 0; | |
0459b626 | 2150 | dirty = 1; |
2bd0ea18 | 2151 | } else { |
5d1b7f0f CH |
2152 | do_warn( |
2153 | _("would clear obsolete nlink field in version 2 inode %" PRIu64 ", currently %d\n"), | |
56b2de80 | 2154 | lino, be16_to_cpu(dino->di_onlink)); |
0459b626 BN |
2155 | } |
2156 | } | |
2157 | return dirty; | |
2158 | } | |
2159 | ||
2160 | /* | |
2161 | * returns 0 if the inode is ok, 1 if the inode is corrupt | |
2162 | * check_dups can be set to 1 *only* when called by the | |
2163 | * first pass of the duplicate block checking of phase 4. | |
2164 | * *dirty is set > 0 if the dinode has been altered and | |
2165 | * needs to be written out. | |
2166 | * | |
2167 | * for detailed, info, look at process_dinode() comments. | |
2168 | */ | |
8b8a6b02 | 2169 | static int |
0459b626 BN |
2170 | process_dinode_int(xfs_mount_t *mp, |
2171 | xfs_dinode_t *dino, | |
2172 | xfs_agnumber_t agno, | |
2173 | xfs_agino_t ino, | |
2174 | int was_free, /* 1 if inode is currently free */ | |
2175 | int *dirty, /* out == > 0 if inode is now dirty */ | |
2176 | int *used, /* out == 1 if inode is in use */ | |
2177 | int verify_mode, /* 1 == verify but don't modify inode */ | |
2178 | int uncertain, /* 1 == inode is uncertain */ | |
2179 | int ino_discovery, /* 1 == check dirs for unknown inodes */ | |
2180 | int check_dups, /* 1 == check if inode claims | |
2181 | * duplicate blocks */ | |
2182 | int extra_attr_check, /* 1 == do attribute format and value checks */ | |
2183 | int *isa_dir, /* out == 1 if inode is a directory */ | |
2184 | xfs_ino_t *parent) /* out -- parent if ino is a dir */ | |
2185 | { | |
5a35bf2c DC |
2186 | xfs_rfsblock_t totblocks = 0; |
2187 | xfs_rfsblock_t atotblocks = 0; | |
0459b626 BN |
2188 | int di_mode; |
2189 | int type; | |
2190 | int retval = 0; | |
2191 | __uint64_t nextents; | |
2192 | __uint64_t anextents; | |
2193 | xfs_ino_t lino; | |
2194 | const int is_free = 0; | |
2195 | const int is_used = 1; | |
2196 | blkmap_t *dblkmap = NULL; | |
2197 | ||
2198 | *dirty = *isa_dir = 0; | |
2199 | *used = is_used; | |
2200 | type = XR_INO_UNKNOWN; | |
2201 | ||
0459b626 | 2202 | lino = XFS_AGINO_TO_INO(mp, agno, ino); |
56b2de80 | 2203 | di_mode = be16_to_cpu(dino->di_mode); |
0459b626 BN |
2204 | |
2205 | /* | |
2206 | * if in verify mode, don't modify the inode. | |
2207 | * | |
2208 | * if correcting, reset stuff that has known values | |
2209 | * | |
2210 | * if in uncertain mode, be silent on errors since we're | |
2211 | * trying to find out if these are inodes as opposed | |
2212 | * to assuming that they are. Just return the appropriate | |
2213 | * return code in that case. | |
2214 | * | |
2215 | * If uncertain is set, verify_mode MUST be set. | |
2216 | */ | |
2217 | ASSERT(uncertain == 0 || verify_mode != 0); | |
2218 | ||
7d7c5553 ES |
2219 | /* |
2220 | * This is the only valid point to check the CRC; after this we may have | |
2221 | * made changes which invalidate it, and the CRC is only updated again | |
2222 | * when it gets written out. | |
2223 | * | |
2224 | * Of course if we make any modifications after this, the inode gets | |
2225 | * rewritten, and the CRC is updated automagically. | |
2226 | */ | |
2227 | if (xfs_sb_version_hascrc(&mp->m_sb) && | |
2228 | !xfs_verify_cksum((char *)dino, mp->m_sb.sb_inodesize, | |
2229 | XFS_DINODE_CRC_OFF)) { | |
2230 | retval = 1; | |
2231 | if (!uncertain) | |
2232 | do_warn(_("bad CRC for inode %" PRIu64 "%c"), | |
2233 | lino, verify_mode ? '\n' : ','); | |
2234 | if (!verify_mode) { | |
2235 | if (!no_modify) { | |
2236 | do_warn(_(" will rewrite\n")); | |
2237 | *dirty = 1; | |
2238 | } else | |
2239 | do_warn(_(" would rewrite\n")); | |
2240 | } | |
2241 | } | |
2242 | ||
56b2de80 | 2243 | if (be16_to_cpu(dino->di_magic) != XFS_DINODE_MAGIC) { |
0459b626 BN |
2244 | retval = 1; |
2245 | if (!uncertain) | |
5d1b7f0f | 2246 | do_warn(_("bad magic number 0x%x on inode %" PRIu64 "%c"), |
56b2de80 | 2247 | be16_to_cpu(dino->di_magic), lino, |
0459b626 BN |
2248 | verify_mode ? '\n' : ','); |
2249 | if (!verify_mode) { | |
2250 | if (!no_modify) { | |
2251 | do_warn(_(" resetting magic number\n")); | |
56b2de80 | 2252 | dino->di_magic = cpu_to_be16(XFS_DINODE_MAGIC); |
0459b626 BN |
2253 | *dirty = 1; |
2254 | } else | |
2255 | do_warn(_(" would reset magic number\n")); | |
2256 | } | |
2257 | } | |
2258 | ||
307ae950 | 2259 | if (!xfs_dinode_good_version(mp, dino->di_version)) { |
0459b626 BN |
2260 | retval = 1; |
2261 | if (!uncertain) | |
5d1b7f0f | 2262 | do_warn(_("bad version number 0x%x on inode %" PRIu64 "%c"), |
56b2de80 | 2263 | (__s8)dino->di_version, lino, |
0459b626 BN |
2264 | verify_mode ? '\n' : ','); |
2265 | if (!verify_mode) { | |
2266 | if (!no_modify) { | |
2267 | do_warn(_(" resetting version number\n")); | |
e0607266 | 2268 | dino->di_version = |
5f6f3660 | 2269 | xfs_sb_version_hascrc(&mp->m_sb) ? 3 : 2; |
0459b626 BN |
2270 | *dirty = 1; |
2271 | } else | |
2272 | do_warn(_(" would reset version number\n")); | |
2273 | } | |
2274 | } | |
2275 | ||
e0607266 DC |
2276 | /* |
2277 | * We don't bother checking the CRC here - we cannot guarantee that when | |
2278 | * we are called here that the inode has not already been modified in | |
2279 | * memory and hence invalidated the CRC. | |
2280 | */ | |
2281 | if (xfs_sb_version_hascrc(&mp->m_sb)) { | |
2282 | if (be64_to_cpu(dino->di_ino) != lino) { | |
2283 | if (!uncertain) | |
2284 | do_warn( | |
2285 | _("inode identifier %llu mismatch on inode %" PRIu64 "\n"), | |
2286 | be64_to_cpu(dino->di_ino), lino); | |
2287 | if (verify_mode) | |
2288 | return 1; | |
2289 | goto clear_bad_out; | |
2290 | } | |
9c4e12fb ES |
2291 | if (platform_uuid_compare(&dino->di_uuid, |
2292 | &mp->m_sb.sb_meta_uuid)) { | |
e0607266 DC |
2293 | if (!uncertain) |
2294 | do_warn( | |
2295 | _("UUID mismatch on inode %" PRIu64 "\n"), lino); | |
2296 | if (verify_mode) | |
2297 | return 1; | |
2298 | goto clear_bad_out; | |
2299 | } | |
2300 | } | |
2301 | ||
0459b626 BN |
2302 | /* |
2303 | * blow out of here if the inode size is < 0 | |
2304 | */ | |
56b2de80 | 2305 | if ((xfs_fsize_t)be64_to_cpu(dino->di_size) < 0) { |
0459b626 | 2306 | if (!uncertain) |
5d1b7f0f CH |
2307 | do_warn( |
2308 | _("bad (negative) size %" PRId64 " on inode %" PRIu64 "\n"), | |
2309 | (__int64_t)be64_to_cpu(dino->di_size), | |
2310 | lino); | |
0459b626 BN |
2311 | if (verify_mode) |
2312 | return 1; | |
2313 | goto clear_bad_out; | |
2314 | } | |
2315 | ||
2316 | /* | |
2317 | * if not in verify mode, check to sii if the inode and imap | |
2318 | * agree that the inode is free | |
2319 | */ | |
2320 | if (!verify_mode && di_mode == 0) { | |
2321 | /* | |
2322 | * was_free value is not meaningful if we're in verify mode | |
2323 | */ | |
2324 | if (was_free) { | |
2325 | /* | |
2326 | * easy case, inode free -- inode and map agree, clear | |
2327 | * it just in case to ensure that format, etc. are | |
2328 | * set correctly | |
2329 | */ | |
2330 | if (!no_modify) | |
2331 | *dirty += clear_dinode(mp, dino, lino); | |
2332 | *used = is_free; | |
2333 | return 0; | |
2334 | } | |
2335 | /* | |
2336 | * the inode looks free but the map says it's in use. | |
2337 | * clear the inode just to be safe and mark the inode | |
2338 | * free. | |
2339 | */ | |
5d1b7f0f CH |
2340 | do_warn( |
2341 | _("imap claims a free inode %" PRIu64 " is in use, "), lino); | |
0459b626 BN |
2342 | if (!no_modify) { |
2343 | do_warn(_("correcting imap and clearing inode\n")); | |
2344 | *dirty += clear_dinode(mp, dino, lino); | |
2345 | retval = 1; | |
2346 | } else | |
2347 | do_warn(_("would correct imap and clear inode\n")); | |
2348 | *used = is_free; | |
2349 | return retval; | |
2350 | } | |
2351 | ||
2352 | /* | |
2353 | * because of the lack of any write ordering guarantee, it's | |
2354 | * possible that the core got updated but the forks didn't. | |
2355 | * so rather than be ambitious (and probably incorrect), | |
2356 | * if there's an inconsistency, we get conservative and | |
2357 | * just pitch the file. blow off checking formats of | |
2358 | * free inodes since technically any format is legal | |
2359 | * as we reset the inode when we re-use it. | |
2360 | */ | |
56b2de80 | 2361 | if (di_mode != 0 && check_dinode_mode_format(dino) != 0) { |
0459b626 | 2362 | if (!uncertain) |
5d1b7f0f CH |
2363 | do_warn( |
2364 | _("bad inode format in inode %" PRIu64 "\n"), lino); | |
0459b626 BN |
2365 | if (verify_mode) |
2366 | return 1; | |
2367 | goto clear_bad_out; | |
2368 | } | |
2369 | ||
bd5683fe DC |
2370 | /* |
2371 | * check that we only have valid flags set, and those that are set make | |
2372 | * sense. | |
2373 | */ | |
56b2de80 DC |
2374 | if (dino->di_flags) { |
2375 | uint16_t flags = be16_to_cpu(dino->di_flags); | |
bd5683fe DC |
2376 | |
2377 | if (flags & ~XFS_DIFLAG_ANY) { | |
c98f31a5 CH |
2378 | if (!uncertain) { |
2379 | do_warn( | |
2380 | _("Bad flags set in inode %" PRIu64 "\n"), | |
2381 | lino); | |
2382 | } | |
5cd0710a | 2383 | flags &= XFS_DIFLAG_ANY; |
bd5683fe DC |
2384 | } |
2385 | ||
2386 | if (flags & (XFS_DIFLAG_REALTIME | XFS_DIFLAG_RTINHERIT)) { | |
2387 | /* need an rt-dev! */ | |
2388 | if (!rt_name) { | |
c98f31a5 CH |
2389 | if (!uncertain) { |
2390 | do_warn( | |
2391 | _("inode %" PRIu64 " has RT flag set but there is no RT device\n"), | |
2392 | lino); | |
2393 | } | |
bd5683fe DC |
2394 | flags &= ~(XFS_DIFLAG_REALTIME | |
2395 | XFS_DIFLAG_RTINHERIT); | |
2396 | } | |
2397 | } | |
fb380cb7 | 2398 | if (flags & XFS_DIFLAG_NEWRTBM) { |
bd5683fe DC |
2399 | /* must be a rt bitmap inode */ |
2400 | if (lino != mp->m_sb.sb_rbmino) { | |
c98f31a5 CH |
2401 | if (!uncertain) { |
2402 | do_warn( | |
2403 | _("inode %" PRIu64 " not rt bitmap\n"), | |
2404 | lino); | |
2405 | } | |
fb380cb7 | 2406 | flags &= ~XFS_DIFLAG_NEWRTBM; |
bd5683fe DC |
2407 | } |
2408 | } | |
2409 | if (flags & (XFS_DIFLAG_RTINHERIT | | |
2410 | XFS_DIFLAG_EXTSZINHERIT | | |
2411 | XFS_DIFLAG_PROJINHERIT | | |
2412 | XFS_DIFLAG_NOSYMLINKS)) { | |
2413 | /* must be a directory */ | |
2414 | if (di_mode && !S_ISDIR(di_mode)) { | |
c98f31a5 CH |
2415 | if (!uncertain) { |
2416 | do_warn( | |
2417 | _("directory flags set on non-directory inode %" PRIu64 "\n" ), | |
2418 | lino); | |
2419 | } | |
bd5683fe DC |
2420 | flags &= ~(XFS_DIFLAG_RTINHERIT | |
2421 | XFS_DIFLAG_EXTSZINHERIT | | |
2422 | XFS_DIFLAG_PROJINHERIT | | |
2423 | XFS_DIFLAG_NOSYMLINKS); | |
2424 | } | |
2425 | } | |
83f4b5ac | 2426 | if (flags & (XFS_DIFLAG_REALTIME | FS_XFLAG_EXTSIZE)) { |
bd5683fe DC |
2427 | /* must be a file */ |
2428 | if (di_mode && !S_ISREG(di_mode)) { | |
c98f31a5 CH |
2429 | if (!uncertain) { |
2430 | do_warn( | |
2431 | _("file flags set on non-file inode %" PRIu64 "\n"), | |
2432 | lino); | |
2433 | } | |
bd5683fe | 2434 | flags &= ~(XFS_DIFLAG_REALTIME | |
83f4b5ac | 2435 | FS_XFLAG_EXTSIZE); |
bd5683fe DC |
2436 | } |
2437 | } | |
56b2de80 | 2438 | if (!verify_mode && flags != be16_to_cpu(dino->di_flags)) { |
bd5683fe | 2439 | if (!no_modify) { |
5cd0710a | 2440 | do_warn(_("fixing bad flags.\n")); |
56b2de80 | 2441 | dino->di_flags = cpu_to_be16(flags); |
bd5683fe DC |
2442 | *dirty = 1; |
2443 | } else | |
5cd0710a | 2444 | do_warn(_("would fix bad flags.\n")); |
bd5683fe DC |
2445 | } |
2446 | } | |
2447 | ||
0459b626 BN |
2448 | if (verify_mode) |
2449 | return retval; | |
2450 | ||
2451 | /* | |
2452 | * clear the next unlinked field if necessary on a good | |
2453 | * inode only during phase 4 -- when checking for inodes | |
2454 | * referencing duplicate blocks. then it's safe because | |
2455 | * we've done the inode discovery and have found all the inodes | |
2456 | * we're going to find. check_dups is set to 1 only during | |
2457 | * phase 4. Ugly. | |
2458 | */ | |
2459 | if (check_dups && !no_modify) | |
2460 | *dirty += clear_dinode_unlinked(mp, dino); | |
2461 | ||
2462 | /* set type and map type info */ | |
2463 | ||
2464 | switch (di_mode & S_IFMT) { | |
2465 | case S_IFDIR: | |
2466 | type = XR_INO_DIR; | |
2467 | *isa_dir = 1; | |
2468 | break; | |
2469 | case S_IFREG: | |
56b2de80 | 2470 | if (be16_to_cpu(dino->di_flags) & XFS_DIFLAG_REALTIME) |
0459b626 BN |
2471 | type = XR_INO_RTDATA; |
2472 | else if (lino == mp->m_sb.sb_rbmino) | |
2473 | type = XR_INO_RTBITMAP; | |
2474 | else if (lino == mp->m_sb.sb_rsumino) | |
2475 | type = XR_INO_RTSUM; | |
2476 | else | |
2477 | type = XR_INO_DATA; | |
2478 | break; | |
2479 | case S_IFLNK: | |
2480 | type = XR_INO_SYMLINK; | |
2481 | break; | |
2482 | case S_IFCHR: | |
2483 | type = XR_INO_CHRDEV; | |
2484 | break; | |
2485 | case S_IFBLK: | |
2486 | type = XR_INO_BLKDEV; | |
2487 | break; | |
2488 | case S_IFSOCK: | |
2489 | type = XR_INO_SOCK; | |
2490 | break; | |
2491 | case S_IFIFO: | |
2492 | type = XR_INO_FIFO; | |
2493 | break; | |
2494 | default: | |
5d1b7f0f | 2495 | do_warn(_("bad inode type %#o inode %" PRIu64 "\n"), |
0459b626 BN |
2496 | di_mode & S_IFMT, lino); |
2497 | goto clear_bad_out; | |
2498 | } | |
2499 | ||
2500 | /* | |
2501 | * type checks for superblock inodes | |
2502 | */ | |
56b2de80 | 2503 | if (process_check_sb_inodes(mp, dino, lino, &type, dirty) != 0) |
0459b626 BN |
2504 | goto clear_bad_out; |
2505 | ||
2506 | /* | |
2507 | * only regular files with REALTIME or EXTSIZE flags set can have | |
2508 | * extsize set, or directories with EXTSZINHERIT. | |
2509 | */ | |
56b2de80 | 2510 | if (be32_to_cpu(dino->di_extsize) != 0) { |
0459b626 | 2511 | if ((type == XR_INO_RTDATA) || |
56b2de80 | 2512 | (type == XR_INO_DIR && (be16_to_cpu(dino->di_flags) & |
0459b626 | 2513 | XFS_DIFLAG_EXTSZINHERIT)) || |
56b2de80 | 2514 | (type == XR_INO_DATA && (be16_to_cpu(dino->di_flags) & |
0459b626 BN |
2515 | XFS_DIFLAG_EXTSIZE))) { |
2516 | /* s'okay */ ; | |
2517 | } else { | |
5d1b7f0f CH |
2518 | do_warn( |
2519 | _("bad non-zero extent size %u for non-realtime/extsize inode %" PRIu64 ", "), | |
56b2de80 | 2520 | be32_to_cpu(dino->di_extsize), lino); |
0459b626 BN |
2521 | if (!no_modify) { |
2522 | do_warn(_("resetting to zero\n")); | |
56b2de80 | 2523 | dino->di_extsize = 0; |
0459b626 BN |
2524 | *dirty = 1; |
2525 | } else | |
2526 | do_warn(_("would reset to zero\n")); | |
2527 | } | |
2528 | } | |
2529 | ||
2530 | /* | |
2531 | * general size/consistency checks: | |
2532 | */ | |
2533 | if (process_check_inode_sizes(mp, dino, lino, type) != 0) | |
2534 | goto clear_bad_out; | |
2535 | ||
2536 | /* | |
2537 | * check for illegal values of forkoff | |
2538 | */ | |
56b2de80 | 2539 | if (process_check_inode_forkoff(mp, dino, lino) != 0) |
0459b626 BN |
2540 | goto clear_bad_out; |
2541 | ||
2542 | /* | |
2543 | * check data fork -- if it's bad, clear the inode | |
2544 | */ | |
2545 | if (process_inode_data_fork(mp, agno, ino, dino, type, dirty, | |
2546 | &totblocks, &nextents, &dblkmap, check_dups) != 0) | |
2547 | goto bad_out; | |
2548 | ||
2549 | /* | |
2550 | * check attribute fork if necessary. attributes are | |
2551 | * always stored in the regular filesystem. | |
2552 | */ | |
2553 | if (process_inode_attr_fork(mp, agno, ino, dino, type, dirty, | |
2554 | &atotblocks, &anextents, check_dups, extra_attr_check, | |
2555 | &retval)) | |
2556 | goto bad_out; | |
2557 | ||
2558 | /* | |
2559 | * enforce totblocks is 0 for misc types | |
2560 | */ | |
2561 | if (process_misc_ino_types_blocks(totblocks, lino, type)) | |
2562 | goto clear_bad_out; | |
2563 | ||
2564 | /* | |
2565 | * correct space counters if required | |
2566 | */ | |
56b2de80 | 2567 | if (process_inode_blocks_and_extents(dino, totblocks + atotblocks, |
0459b626 BN |
2568 | nextents, anextents, lino, dirty) != 0) |
2569 | goto clear_bad_out; | |
2570 | ||
2571 | /* | |
2572 | * do any semantic type-based checking here | |
2573 | */ | |
2574 | switch (type) { | |
2575 | case XR_INO_DIR: | |
9a048535 | 2576 | if (process_dir2(mp, lino, dino, ino_discovery, |
0459b626 | 2577 | dirty, "", parent, dblkmap)) { |
5d1b7f0f CH |
2578 | do_warn( |
2579 | _("problem with directory contents in inode %" PRIu64 "\n"), | |
2580 | lino); | |
0459b626 BN |
2581 | goto clear_bad_out; |
2582 | } | |
2583 | break; | |
2584 | case XR_INO_SYMLINK: | |
2585 | if (process_symlink(mp, lino, dino, dblkmap) != 0) { | |
5d1b7f0f CH |
2586 | do_warn( |
2587 | _("problem with symbolic link in inode %" PRIu64 "\n"), | |
0459b626 BN |
2588 | lino); |
2589 | goto clear_bad_out; | |
2bd0ea18 | 2590 | } |
0459b626 BN |
2591 | break; |
2592 | default: | |
2593 | break; | |
2bd0ea18 NS |
2594 | } |
2595 | ||
55d35a39 | 2596 | blkmap_free(dblkmap); |
0459b626 BN |
2597 | |
2598 | /* | |
2599 | * check nlinks feature, if it's a version 1 inode, | |
2600 | * just leave nlinks alone. even if it's set wrong, | |
2601 | * it'll be reset when read in. | |
2602 | */ | |
56b2de80 | 2603 | *dirty += process_check_inode_nlink_version(dino, lino); |
0459b626 BN |
2604 | |
2605 | return retval; | |
2606 | ||
2607 | clear_bad_out: | |
2608 | if (!no_modify) { | |
2609 | *dirty += clear_dinode(mp, dino, lino); | |
2610 | ASSERT(*dirty > 0); | |
2611 | } | |
2612 | bad_out: | |
2613 | *used = is_free; | |
2614 | *isa_dir = 0; | |
55d35a39 | 2615 | blkmap_free(dblkmap); |
0459b626 | 2616 | return 1; |
2bd0ea18 NS |
2617 | } |
2618 | ||
2619 | /* | |
2620 | * returns 1 if inode is used, 0 if free. | |
2621 | * performs any necessary salvaging actions. | |
2622 | * note that we leave the generation count alone | |
2623 | * because nothing we could set it to would be | |
2624 | * guaranteed to be correct so the best guess for | |
2625 | * the correct value is just to leave it alone. | |
2626 | * | |
2627 | * The trick is detecting empty files. For those, | |
2628 | * the core and the forks should all be in the "empty" | |
2629 | * or zero-length state -- a zero or possibly minimum length | |
2630 | * (in the case of dirs) extent list -- although inline directories | |
2631 | * and symlinks might be handled differently. So it should be | |
2632 | * possible to sanity check them against each other. | |
2633 | * | |
2634 | * If the forks are an empty extent list though, then forget it. | |
2635 | * The file is toast anyway since we can't recover its storage. | |
2636 | * | |
2637 | * Parameters: | |
2638 | * Ins: | |
2639 | * mp -- mount structure | |
2640 | * dino -- pointer to on-disk inode structure | |
2641 | * agno/ino -- inode numbers | |
2642 | * free -- whether the map thinks the inode is free (1 == free) | |
2643 | * ino_discovery -- whether we should examine directory | |
2644 | * contents to discover new inodes | |
2645 | * check_dups -- whether we should check to see if the | |
2646 | * inode references duplicate blocks | |
2647 | * if so, we compare the inode's claimed | |
2648 | * blocks against the contents of the | |
2649 | * duplicate extent list but we don't | |
2650 | * set the bitmap. If not, we set the | |
2651 | * bitmap and try and detect multiply | |
2652 | * claimed blocks using the bitmap. | |
2653 | * Outs: | |
2654 | * dirty -- whether we changed the inode (1 == yes) | |
2bd0ea18 NS |
2655 | * used -- 1 if the inode is used, 0 if free. In no modify |
2656 | * mode, whether the inode should be used or free | |
2657 | * isa_dir -- 1 if the inode is a directory, 0 if not. In | |
2658 | * no modify mode, if the inode would be a dir or not. | |
2659 | * | |
2660 | * Return value -- 0 if the inode is good, 1 if it is/was corrupt | |
2661 | */ | |
2662 | ||
2663 | int | |
0459b626 BN |
2664 | process_dinode( |
2665 | xfs_mount_t *mp, | |
2666 | xfs_dinode_t *dino, | |
2667 | xfs_agnumber_t agno, | |
2668 | xfs_agino_t ino, | |
2669 | int was_free, | |
2670 | int *dirty, | |
2671 | int *used, | |
2672 | int ino_discovery, | |
2673 | int check_dups, | |
2674 | int extra_attr_check, | |
2675 | int *isa_dir, | |
2676 | xfs_ino_t *parent) | |
2bd0ea18 | 2677 | { |
0459b626 BN |
2678 | const int verify_mode = 0; |
2679 | const int uncertain = 0; | |
2bd0ea18 NS |
2680 | |
2681 | #ifdef XR_INODE_TRACE | |
9ee7055c | 2682 | fprintf(stderr, _("processing inode %d/%d\n"), agno, ino); |
2bd0ea18 | 2683 | #endif |
0459b626 BN |
2684 | return process_dinode_int(mp, dino, agno, ino, was_free, dirty, used, |
2685 | verify_mode, uncertain, ino_discovery, | |
2686 | check_dups, extra_attr_check, isa_dir, parent); | |
2bd0ea18 NS |
2687 | } |
2688 | ||
2689 | /* | |
2690 | * a more cursory check, check inode core, *DON'T* check forks | |
2691 | * this basically just verifies whether the inode is an inode | |
2692 | * and whether or not it has been totally trashed. returns 0 | |
2693 | * if the inode passes the cursory sanity check, 1 otherwise. | |
2694 | */ | |
2695 | int | |
0459b626 BN |
2696 | verify_dinode( |
2697 | xfs_mount_t *mp, | |
2698 | xfs_dinode_t *dino, | |
2699 | xfs_agnumber_t agno, | |
2700 | xfs_agino_t ino) | |
2bd0ea18 | 2701 | { |
0459b626 BN |
2702 | xfs_ino_t parent; |
2703 | int used = 0; | |
2704 | int dirty = 0; | |
2705 | int isa_dir = 0; | |
2706 | const int verify_mode = 1; | |
2707 | const int check_dups = 0; | |
2708 | const int ino_discovery = 0; | |
2709 | const int uncertain = 0; | |
2710 | ||
2711 | return process_dinode_int(mp, dino, agno, ino, 0, &dirty, &used, | |
2712 | verify_mode, uncertain, ino_discovery, | |
2713 | check_dups, 0, &isa_dir, &parent); | |
2bd0ea18 NS |
2714 | } |
2715 | ||
2716 | /* | |
2717 | * like above only for inode on the uncertain list. it sets | |
2718 | * the uncertain flag which makes process_dinode_int quieter. | |
2719 | * returns 0 if the inode passes the cursory sanity check, 1 otherwise. | |
2720 | */ | |
2721 | int | |
0459b626 BN |
2722 | verify_uncertain_dinode( |
2723 | xfs_mount_t *mp, | |
2724 | xfs_dinode_t *dino, | |
2725 | xfs_agnumber_t agno, | |
2726 | xfs_agino_t ino) | |
2bd0ea18 | 2727 | { |
0459b626 BN |
2728 | xfs_ino_t parent; |
2729 | int used = 0; | |
2730 | int dirty = 0; | |
2731 | int isa_dir = 0; | |
2732 | const int verify_mode = 1; | |
2733 | const int check_dups = 0; | |
2734 | const int ino_discovery = 0; | |
2735 | const int uncertain = 1; | |
2736 | ||
2737 | return process_dinode_int(mp, dino, agno, ino, 0, &dirty, &used, | |
2738 | verify_mode, uncertain, ino_discovery, | |
2739 | check_dups, 0, &isa_dir, &parent); | |
2bd0ea18 | 2740 | } |