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959ef981 | 1 | // SPDX-License-Identifier: GPL-2.0 |
2bd0ea18 | 2 | /* |
da23017d NS |
3 | * Copyright (c) 2000-2005 Silicon Graphics, Inc. |
4 | * All Rights Reserved. | |
2bd0ea18 NS |
5 | */ |
6 | ||
6b803e5a | 7 | #include "libxfs.h" |
2bd0ea18 NS |
8 | #include "avl.h" |
9 | #include "globals.h" | |
10 | #include "agheader.h" | |
11 | #include "incore.h" | |
12 | #include "protos.h" | |
13 | #include "err_protos.h" | |
2bd0ea18 NS |
14 | #include "dir2.h" |
15 | #include "dinode.h" | |
16 | #include "scan.h" | |
17 | #include "versions.h" | |
18 | #include "attr_repair.h" | |
19 | #include "bmap.h" | |
3b6ac903 | 20 | #include "threads.h" |
9e0f480e DW |
21 | #include "slab.h" |
22 | #include "rmap.h" | |
2bd0ea18 | 23 | |
beed0dc8 DC |
24 | /* |
25 | * gettext lookups for translations of strings use mutexes internally to | |
26 | * the library. Hence when we come through here doing parallel scans in | |
27 | * multiple AGs, then all do concurrent text conversions and serialise | |
28 | * on the translation string lookups. Let's avoid doing repeated lookups | |
29 | * by making them static variables and only assigning the translation | |
30 | * once. | |
31 | */ | |
32 | static char *forkname_data; | |
33 | static char *forkname_attr; | |
34 | static char *ftype_real_time; | |
35 | static char *ftype_regular; | |
36 | ||
37 | void | |
38 | dinode_bmbt_translation_init(void) | |
39 | { | |
40 | forkname_data = _("data"); | |
41 | forkname_attr = _("attr"); | |
42 | ftype_real_time = _("real-time"); | |
43 | ftype_regular = _("regular"); | |
44 | } | |
45 | ||
46 | char * | |
47 | get_forkname(int whichfork) | |
48 | { | |
49 | ||
50 | if (whichfork == XFS_DATA_FORK) | |
51 | return forkname_data; | |
52 | return forkname_attr; | |
53 | } | |
54 | ||
2bd0ea18 NS |
55 | /* |
56 | * inode clearing routines | |
57 | */ | |
58 | ||
8b8a6b02 | 59 | static int |
2bd0ea18 NS |
60 | clear_dinode_attr(xfs_mount_t *mp, xfs_dinode_t *dino, xfs_ino_t ino_num) |
61 | { | |
56b2de80 | 62 | ASSERT(dino->di_forkoff != 0); |
2bd0ea18 NS |
63 | |
64 | if (!no_modify) | |
5d1b7f0f CH |
65 | fprintf(stderr, |
66 | _("clearing inode %" PRIu64 " attributes\n"), ino_num); | |
2bd0ea18 | 67 | else |
5d1b7f0f CH |
68 | fprintf(stderr, |
69 | _("would have cleared inode %" PRIu64 " attributes\n"), ino_num); | |
2bd0ea18 | 70 | |
56b2de80 | 71 | if (be16_to_cpu(dino->di_anextents) != 0) { |
2bd0ea18 NS |
72 | if (no_modify) |
73 | return(1); | |
56b2de80 | 74 | dino->di_anextents = cpu_to_be16(0); |
2bd0ea18 NS |
75 | } |
76 | ||
56b2de80 | 77 | if (dino->di_aformat != XFS_DINODE_FMT_EXTENTS) { |
2bd0ea18 NS |
78 | if (no_modify) |
79 | return(1); | |
56b2de80 | 80 | dino->di_aformat = XFS_DINODE_FMT_EXTENTS; |
2bd0ea18 NS |
81 | } |
82 | ||
83 | /* get rid of the fork by clearing forkoff */ | |
84 | ||
85 | /* Originally, when the attr repair code was added, the fork was cleared | |
86 | * by turning it into shortform status. This meant clearing the | |
87 | * hdr.totsize/count fields and also changing aformat to LOCAL | |
88 | * (vs EXTENTS). Over various fixes, the aformat and forkoff have | |
89 | * been updated to not show an attribute fork at all, however. | |
90 | * It could be possible that resetting totsize/count are not needed, | |
dfc130f3 | 91 | * but just to be safe, leave it in for now. |
2bd0ea18 NS |
92 | */ |
93 | ||
94 | if (!no_modify) { | |
95 | xfs_attr_shortform_t *asf = (xfs_attr_shortform_t *) | |
46eca962 | 96 | XFS_DFORK_APTR(dino); |
5e656dbb BN |
97 | asf->hdr.totsize = cpu_to_be16(sizeof(xfs_attr_sf_hdr_t)); |
98 | asf->hdr.count = 0; | |
56b2de80 | 99 | dino->di_forkoff = 0; /* got to do this after asf is set */ |
2bd0ea18 NS |
100 | } |
101 | ||
102 | /* | |
103 | * always returns 1 since the fork gets zapped | |
104 | */ | |
105 | return(1); | |
106 | } | |
107 | ||
8b8a6b02 | 108 | static int |
e0607266 | 109 | clear_dinode_core(struct xfs_mount *mp, xfs_dinode_t *dinoc, xfs_ino_t ino_num) |
2bd0ea18 NS |
110 | { |
111 | int dirty = 0; | |
e0607266 | 112 | int i; |
2bd0ea18 | 113 | |
e0607266 DC |
114 | #define __dirty_no_modify_ret(dirty) \ |
115 | ({ (dirty) = 1; if (no_modify) return 1; }) | |
2bd0ea18 | 116 | |
e0607266 DC |
117 | if (be16_to_cpu(dinoc->di_magic) != XFS_DINODE_MAGIC) { |
118 | __dirty_no_modify_ret(dirty); | |
5e656dbb | 119 | dinoc->di_magic = cpu_to_be16(XFS_DINODE_MAGIC); |
2bd0ea18 NS |
120 | } |
121 | ||
e2f60652 | 122 | if (!libxfs_dinode_good_version(mp, dinoc->di_version)) { |
e0607266 DC |
123 | __dirty_no_modify_ret(dirty); |
124 | if (xfs_sb_version_hascrc(&mp->m_sb)) | |
125 | dinoc->di_version = 3; | |
126 | else | |
5f6f3660 | 127 | dinoc->di_version = 2; |
2bd0ea18 NS |
128 | } |
129 | ||
5e656dbb | 130 | if (be16_to_cpu(dinoc->di_mode) != 0) { |
e0607266 | 131 | __dirty_no_modify_ret(dirty); |
46eca962 | 132 | dinoc->di_mode = 0; |
2bd0ea18 NS |
133 | } |
134 | ||
5e656dbb | 135 | if (be16_to_cpu(dinoc->di_flags) != 0) { |
e0607266 | 136 | __dirty_no_modify_ret(dirty); |
46eca962 | 137 | dinoc->di_flags = 0; |
2bd0ea18 NS |
138 | } |
139 | ||
5e656dbb | 140 | if (be32_to_cpu(dinoc->di_dmevmask) != 0) { |
e0607266 | 141 | __dirty_no_modify_ret(dirty); |
46eca962 | 142 | dinoc->di_dmevmask = 0; |
2bd0ea18 NS |
143 | } |
144 | ||
145 | if (dinoc->di_forkoff != 0) { | |
e0607266 | 146 | __dirty_no_modify_ret(dirty); |
2bd0ea18 NS |
147 | dinoc->di_forkoff = 0; |
148 | } | |
149 | ||
150 | if (dinoc->di_format != XFS_DINODE_FMT_EXTENTS) { | |
e0607266 | 151 | __dirty_no_modify_ret(dirty); |
2bd0ea18 NS |
152 | dinoc->di_format = XFS_DINODE_FMT_EXTENTS; |
153 | } | |
154 | ||
155 | if (dinoc->di_aformat != XFS_DINODE_FMT_EXTENTS) { | |
e0607266 | 156 | __dirty_no_modify_ret(dirty); |
2bd0ea18 NS |
157 | dinoc->di_aformat = XFS_DINODE_FMT_EXTENTS; |
158 | } | |
159 | ||
5e656dbb | 160 | if (be64_to_cpu(dinoc->di_size) != 0) { |
e0607266 | 161 | __dirty_no_modify_ret(dirty); |
46eca962 | 162 | dinoc->di_size = 0; |
2bd0ea18 NS |
163 | } |
164 | ||
5e656dbb | 165 | if (be64_to_cpu(dinoc->di_nblocks) != 0) { |
e0607266 | 166 | __dirty_no_modify_ret(dirty); |
46eca962 | 167 | dinoc->di_nblocks = 0; |
2bd0ea18 NS |
168 | } |
169 | ||
5e656dbb | 170 | if (be16_to_cpu(dinoc->di_onlink) != 0) { |
e0607266 | 171 | __dirty_no_modify_ret(dirty); |
46eca962 | 172 | dinoc->di_onlink = 0; |
2bd0ea18 NS |
173 | } |
174 | ||
5e656dbb | 175 | if (be32_to_cpu(dinoc->di_nextents) != 0) { |
e0607266 | 176 | __dirty_no_modify_ret(dirty); |
46eca962 | 177 | dinoc->di_nextents = 0; |
2bd0ea18 NS |
178 | } |
179 | ||
5e656dbb | 180 | if (be16_to_cpu(dinoc->di_anextents) != 0) { |
e0607266 | 181 | __dirty_no_modify_ret(dirty); |
46eca962 | 182 | dinoc->di_anextents = 0; |
2bd0ea18 NS |
183 | } |
184 | ||
a65177d5 DW |
185 | if (be32_to_cpu(dinoc->di_extsize) != 0) { |
186 | __dirty_no_modify_ret(dirty); | |
187 | dinoc->di_extsize = 0; | |
188 | } | |
189 | ||
56b2de80 | 190 | if (dinoc->di_version > 1 && |
5e656dbb | 191 | be32_to_cpu(dinoc->di_nlink) != 0) { |
e0607266 DC |
192 | __dirty_no_modify_ret(dirty); |
193 | dinoc->di_nlink = 0; | |
194 | } | |
2bd0ea18 | 195 | |
e0607266 DC |
196 | /* we are done for version 1/2 inodes */ |
197 | if (dinoc->di_version < 3) | |
198 | return dirty; | |
2bd0ea18 | 199 | |
e0607266 DC |
200 | if (be64_to_cpu(dinoc->di_ino) != ino_num) { |
201 | __dirty_no_modify_ret(dirty); | |
202 | dinoc->di_ino = cpu_to_be64(ino_num); | |
2bd0ea18 NS |
203 | } |
204 | ||
9c4e12fb | 205 | if (platform_uuid_compare(&dinoc->di_uuid, &mp->m_sb.sb_meta_uuid)) { |
e0607266 | 206 | __dirty_no_modify_ret(dirty); |
9c4e12fb | 207 | platform_uuid_copy(&dinoc->di_uuid, &mp->m_sb.sb_meta_uuid); |
e0607266 DC |
208 | } |
209 | ||
e6efb967 | 210 | for (i = 0; i < sizeof(dinoc->di_pad2)/sizeof(dinoc->di_pad2[0]); i++) { |
e7c05095 | 211 | if (dinoc->di_pad2[i] != 0) { |
e0607266 | 212 | __dirty_no_modify_ret(dirty); |
e6efb967 | 213 | memset(dinoc->di_pad2, 0, sizeof(dinoc->di_pad2)); |
e0607266 DC |
214 | break; |
215 | } | |
216 | } | |
217 | ||
218 | if (be64_to_cpu(dinoc->di_flags2) != 0) { | |
219 | __dirty_no_modify_ret(dirty); | |
220 | dinoc->di_flags2 = 0; | |
221 | } | |
222 | ||
223 | if (be64_to_cpu(dinoc->di_lsn) != 0) { | |
224 | __dirty_no_modify_ret(dirty); | |
225 | dinoc->di_lsn = 0; | |
226 | } | |
227 | ||
228 | if (be64_to_cpu(dinoc->di_changecount) != 0) { | |
229 | __dirty_no_modify_ret(dirty); | |
230 | dinoc->di_changecount = 0; | |
231 | } | |
232 | ||
a65177d5 DW |
233 | if (be32_to_cpu(dinoc->di_cowextsize) != 0) { |
234 | __dirty_no_modify_ret(dirty); | |
235 | dinoc->di_cowextsize = 0; | |
236 | } | |
237 | ||
e0607266 | 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; |
a93fcc04 | 526 | /* fall through */ |
95650c4d BN |
527 | case XR_E_MULT: |
528 | set_rtbmap(ext, XR_E_MULT); | |
5d1b7f0f CH |
529 | do_warn( |
530 | _("data fork in rt inode %" PRIu64 " claims used rt block %" PRIu64 "\n"), | |
531 | ino, ext); | |
95650c4d BN |
532 | return 1; |
533 | case XR_E_FREE1: | |
534 | default: | |
5d1b7f0f CH |
535 | do_error( |
536 | _("illegal state %d in rt block map %" PRIu64 "\n"), | |
537 | state, b); | |
2556c98b BN |
538 | } |
539 | } | |
540 | ||
541 | /* | |
542 | * bump up the block counter | |
543 | */ | |
e0a12bda | 544 | *tot += irec->br_blockcount; |
2556c98b BN |
545 | |
546 | return 0; | |
547 | } | |
3b6ac903 | 548 | |
2bd0ea18 NS |
549 | /* |
550 | * return 1 if inode should be cleared, 0 otherwise | |
551 | * if check_dups should be set to 1, that implies that | |
552 | * the primary purpose of this call is to see if the | |
553 | * file overlaps with any duplicate extents (in the | |
554 | * duplicate extent list). | |
555 | */ | |
8b8a6b02 | 556 | static int |
2bd0ea18 NS |
557 | process_bmbt_reclist_int( |
558 | xfs_mount_t *mp, | |
e0a12bda | 559 | xfs_bmbt_rec_t *rp, |
e1f43b4c | 560 | int *numrecs, |
2bd0ea18 NS |
561 | int type, |
562 | xfs_ino_t ino, | |
5a35bf2c | 563 | xfs_rfsblock_t *tot, |
2bd0ea18 | 564 | blkmap_t **blkmapp, |
5a35bf2c DC |
565 | xfs_fileoff_t *first_key, |
566 | xfs_fileoff_t *last_key, | |
2bd0ea18 NS |
567 | int check_dups, |
568 | int whichfork) | |
569 | { | |
e0a12bda | 570 | xfs_bmbt_irec_t irec; |
5a35bf2c DC |
571 | xfs_filblks_t cp = 0; /* prev count */ |
572 | xfs_fsblock_t sp = 0; /* prev start */ | |
573 | xfs_fileoff_t op = 0; /* prev offset */ | |
574 | xfs_fsblock_t b; | |
2bd0ea18 | 575 | char *ftype; |
beed0dc8 | 576 | char *forkname = get_forkname(whichfork); |
2bd0ea18 NS |
577 | int i; |
578 | int state; | |
1e77098c MV |
579 | xfs_agnumber_t agno; |
580 | xfs_agblock_t agbno; | |
8961bfde BN |
581 | xfs_agblock_t ebno; |
582 | xfs_extlen_t blen; | |
2556c98b BN |
583 | xfs_agnumber_t locked_agno = -1; |
584 | int error = 1; | |
2bd0ea18 | 585 | |
2bd0ea18 | 586 | if (type == XR_INO_RTDATA) |
beed0dc8 | 587 | ftype = ftype_real_time; |
2bd0ea18 | 588 | else |
beed0dc8 | 589 | ftype = ftype_regular; |
2bd0ea18 | 590 | |
e1f43b4c | 591 | for (i = 0; i < *numrecs; i++) { |
ff105f75 | 592 | libxfs_bmbt_disk_get_all((rp +i), &irec); |
2bd0ea18 | 593 | if (i == 0) |
e0a12bda | 594 | *last_key = *first_key = irec.br_startoff; |
2bd0ea18 | 595 | else |
e0a12bda BN |
596 | *last_key = irec.br_startoff; |
597 | if (i > 0 && op + cp > irec.br_startoff) { | |
5d1b7f0f CH |
598 | do_warn( |
599 | _("bmap rec out of order, inode %" PRIu64" entry %d " | |
600 | "[o s c] [%" PRIu64 " %" PRIu64 " %" PRIu64 "], " | |
601 | "%d [%" PRIu64 " %" PRIu64 " %" PRIu64 "]\n"), | |
e0a12bda BN |
602 | ino, i, irec.br_startoff, irec.br_startblock, |
603 | irec.br_blockcount, i - 1, op, sp, cp); | |
2556c98b | 604 | goto done; |
2bd0ea18 | 605 | } |
e0a12bda BN |
606 | op = irec.br_startoff; |
607 | cp = irec.br_blockcount; | |
608 | sp = irec.br_startblock; | |
2bd0ea18 NS |
609 | |
610 | /* | |
611 | * check numeric validity of the extent | |
612 | */ | |
e0a12bda | 613 | if (irec.br_blockcount == 0) { |
5d1b7f0f CH |
614 | do_warn( |
615 | _("zero length extent (off = %" PRIu64 ", fsbno = %" PRIu64 ") in ino %" PRIu64 "\n"), | |
616 | irec.br_startoff, | |
617 | irec.br_startblock, | |
618 | ino); | |
2556c98b | 619 | goto done; |
2bd0ea18 NS |
620 | } |
621 | ||
2556c98b | 622 | if (type == XR_INO_RTDATA && whichfork == XFS_DATA_FORK) { |
2bd0ea18 | 623 | /* |
2556c98b BN |
624 | * realtime bitmaps don't use AG locks, so returning |
625 | * immediately is fine for this code path. | |
2bd0ea18 | 626 | */ |
e0a12bda | 627 | if (process_rt_rec(mp, &irec, ino, tot, check_dups)) |
2556c98b | 628 | return 1; |
2bd0ea18 | 629 | /* |
e0a12bda | 630 | * skip rest of loop processing since that'irec.br_startblock |
2bd0ea18 NS |
631 | * all for regular file forks and attr forks |
632 | */ | |
633 | continue; | |
634 | } | |
635 | ||
2bd0ea18 NS |
636 | /* |
637 | * regular file data fork or attribute fork | |
638 | */ | |
e0a12bda BN |
639 | switch (verify_dfsbno_range(mp, irec.br_startblock, |
640 | irec.br_blockcount)) { | |
2556c98b BN |
641 | case XR_DFSBNORANGE_VALID: |
642 | break; | |
643 | ||
644 | case XR_DFSBNORANGE_BADSTART: | |
5d1b7f0f CH |
645 | do_warn( |
646 | _("inode %" PRIu64 " - bad extent starting block number %" PRIu64 ", offset %" PRIu64 "\n"), | |
647 | ino, | |
648 | irec.br_startblock, | |
e0a12bda | 649 | irec.br_startoff); |
2556c98b BN |
650 | goto done; |
651 | ||
652 | case XR_DFSBNORANGE_BADEND: | |
5d1b7f0f CH |
653 | do_warn( |
654 | _("inode %" PRIu64 " - bad extent last block number %" PRIu64 ", offset %" PRIu64 "\n"), | |
655 | ino, | |
656 | irec.br_startblock + irec.br_blockcount - 1, | |
657 | irec.br_startoff); | |
2556c98b BN |
658 | goto done; |
659 | ||
660 | case XR_DFSBNORANGE_OVERFLOW: | |
5d1b7f0f CH |
661 | do_warn( |
662 | _("inode %" PRIu64 " - bad extent overflows - start %" PRIu64 ", " | |
663 | "end %" PRIu64 ", offset %" PRIu64 "\n"), | |
664 | ino, | |
665 | irec.br_startblock, | |
666 | irec.br_startblock + irec.br_blockcount - 1, | |
667 | irec.br_startoff); | |
2556c98b BN |
668 | goto done; |
669 | } | |
7511a9cf ES |
670 | /* Ensure this extent does not extend beyond the max offset */ |
671 | if (irec.br_startoff + irec.br_blockcount - 1 > | |
672 | fs_max_file_offset) { | |
5d1b7f0f | 673 | do_warn( |
7511a9cf ES |
674 | _("inode %" PRIu64 " - extent exceeds max offset - start %" PRIu64 ", " |
675 | "count %" PRIu64 ", physical block %" PRIu64 "\n"), | |
676 | ino, irec.br_startoff, irec.br_blockcount, | |
677 | irec.br_startblock); | |
2556c98b BN |
678 | goto done; |
679 | } | |
680 | ||
75372fed | 681 | if (blkmapp && *blkmapp) { |
ea4a8de1 BM |
682 | int error2; |
683 | error2 = blkmap_set_ext(blkmapp, irec.br_startoff, | |
e0a12bda | 684 | irec.br_startblock, irec.br_blockcount); |
ea4a8de1 | 685 | if (error2) { |
75372fed DC |
686 | /* |
687 | * we don't want to clear the inode due to an | |
688 | * internal bmap tracking error, but if we've | |
689 | * run out of memory then we simply can't | |
690 | * validate that the filesystem is consistent. | |
691 | * Hence just abort at this point with an ENOMEM | |
692 | * error. | |
693 | */ | |
694 | do_abort( | |
695 | _("Fatal error: inode %" PRIu64 " - blkmap_set_ext(): %s\n" | |
696 | "\t%s fork, off - %" PRIu64 ", start - %" PRIu64 ", cnt %" PRIu64 "\n"), | |
ea4a8de1 | 697 | ino, strerror(error2), forkname, |
75372fed DC |
698 | irec.br_startoff, irec.br_startblock, |
699 | irec.br_blockcount); | |
700 | } | |
701 | } | |
702 | ||
1e77098c MV |
703 | /* |
704 | * Profiling shows that the following loop takes the | |
705 | * most time in all of xfs_repair. | |
706 | */ | |
e0a12bda BN |
707 | agno = XFS_FSB_TO_AGNO(mp, irec.br_startblock); |
708 | agbno = XFS_FSB_TO_AGBNO(mp, irec.br_startblock); | |
8961bfde | 709 | ebno = agbno + irec.br_blockcount; |
2556c98b BN |
710 | if (agno != locked_agno) { |
711 | if (locked_agno != -1) | |
586f8abf DC |
712 | pthread_mutex_unlock(&ag_locks[locked_agno].lock); |
713 | pthread_mutex_lock(&ag_locks[agno].lock); | |
2556c98b BN |
714 | locked_agno = agno; |
715 | } | |
716 | ||
717 | if (check_dups) { | |
718 | /* | |
719 | * if we're just checking the bmap for dups, | |
720 | * return if we find one, otherwise, continue | |
721 | * checking each entry without setting the | |
722 | * block bitmap | |
723 | */ | |
a406779b DW |
724 | if (!(type == XR_INO_DATA && |
725 | xfs_sb_version_hasreflink(&mp->m_sb)) && | |
726 | search_dup_extent(agno, agbno, ebno)) { | |
5d1b7f0f CH |
727 | do_warn( |
728 | _("%s fork in ino %" PRIu64 " claims dup extent, " | |
729 | "off - %" PRIu64 ", start - %" PRIu64 ", cnt %" PRIu64 "\n"), | |
79872d6e BN |
730 | forkname, ino, irec.br_startoff, |
731 | irec.br_startblock, | |
732 | irec.br_blockcount); | |
733 | goto done; | |
dfc130f3 | 734 | } |
e0a12bda | 735 | *tot += irec.br_blockcount; |
2556c98b BN |
736 | continue; |
737 | } | |
dfc130f3 | 738 | |
8961bfde BN |
739 | for (b = irec.br_startblock; |
740 | agbno < ebno; | |
741 | b += blen, agbno += blen) { | |
742 | state = get_bmap_ext(agno, agbno, ebno, &blen); | |
2bd0ea18 NS |
743 | switch (state) { |
744 | case XR_E_FREE: | |
745 | case XR_E_FREE1: | |
5d1b7f0f CH |
746 | do_warn( |
747 | _("%s fork in ino %" PRIu64 " claims free block %" PRIu64 "\n"), | |
14f8b681 | 748 | forkname, ino, (uint64_t) b); |
2bd0ea18 | 749 | /* fall through ... */ |
0f94fa4b | 750 | case XR_E_INUSE1: /* seen by rmap */ |
2bd0ea18 | 751 | case XR_E_UNKNOWN: |
2bd0ea18 | 752 | break; |
2556c98b | 753 | |
2bd0ea18 | 754 | case XR_E_BAD_STATE: |
5d1b7f0f | 755 | do_error(_("bad state in block map %" PRIu64 "\n"), b); |
2556c98b | 756 | |
0f94fa4b DW |
757 | case XR_E_FS_MAP1: |
758 | case XR_E_INO1: | |
759 | case XR_E_INUSE_FS1: | |
760 | do_warn(_("rmap claims metadata use!\n")); | |
761 | /* fall through */ | |
2bd0ea18 NS |
762 | case XR_E_FS_MAP: |
763 | case XR_E_INO: | |
764 | case XR_E_INUSE_FS: | |
85c9f7f4 | 765 | case XR_E_REFC: |
5d1b7f0f CH |
766 | do_warn( |
767 | _("%s fork in inode %" PRIu64 " claims metadata block %" PRIu64 "\n"), | |
768 | forkname, ino, b); | |
2556c98b BN |
769 | goto done; |
770 | ||
2bd0ea18 NS |
771 | case XR_E_INUSE: |
772 | case XR_E_MULT: | |
a406779b DW |
773 | if (type == XR_INO_DATA && |
774 | xfs_sb_version_hasreflink(&mp->m_sb)) | |
775 | break; | |
5d1b7f0f CH |
776 | do_warn( |
777 | _("%s fork in %s inode %" PRIu64 " claims used block %" PRIu64 "\n"), | |
778 | forkname, ftype, ino, b); | |
2556c98b BN |
779 | goto done; |
780 | ||
85c9f7f4 DW |
781 | case XR_E_COW: |
782 | do_warn( | |
783 | _("%s fork in %s inode %" PRIu64 " claims CoW block %" PRIu64 "\n"), | |
784 | forkname, ftype, ino, b); | |
785 | goto done; | |
786 | ||
2bd0ea18 | 787 | default: |
5d1b7f0f CH |
788 | do_error( |
789 | _("illegal state %d in block map %" PRIu64 "\n"), | |
2bd0ea18 | 790 | state, b); |
bf678507 DW |
791 | goto done; |
792 | } | |
793 | } | |
794 | ||
795 | /* | |
796 | * Update the internal extent map only after we've checked | |
797 | * every block in this extent. The first time we reject this | |
798 | * data fork we'll try to rebuild the bmbt from rmap data. | |
799 | * After a successful rebuild we'll try this scan again. | |
800 | * (If the rebuild fails we won't come back here.) | |
801 | */ | |
802 | agbno = XFS_FSB_TO_AGBNO(mp, irec.br_startblock); | |
803 | ebno = agbno + irec.br_blockcount; | |
804 | for (; agbno < ebno; agbno += blen) { | |
805 | state = get_bmap_ext(agno, agbno, ebno, &blen); | |
806 | switch (state) { | |
807 | case XR_E_FREE: | |
808 | case XR_E_FREE1: | |
809 | case XR_E_INUSE1: | |
810 | case XR_E_UNKNOWN: | |
811 | set_bmap_ext(agno, agbno, blen, XR_E_INUSE); | |
812 | break; | |
813 | case XR_E_INUSE: | |
814 | case XR_E_MULT: | |
815 | set_bmap_ext(agno, agbno, blen, XR_E_MULT); | |
816 | break; | |
817 | default: | |
818 | break; | |
2bd0ea18 NS |
819 | } |
820 | } | |
9e0f480e | 821 | if (collect_rmaps) { /* && !check_dups */ |
2d273771 | 822 | error = rmap_add_rec(mp, ino, whichfork, &irec); |
9e0f480e DW |
823 | if (error) |
824 | do_error( | |
825 | _("couldn't add reverse mapping\n") | |
826 | ); | |
827 | } | |
e0a12bda | 828 | *tot += irec.br_blockcount; |
2bd0ea18 | 829 | } |
2556c98b BN |
830 | error = 0; |
831 | done: | |
832 | if (locked_agno != -1) | |
586f8abf | 833 | pthread_mutex_unlock(&ag_locks[locked_agno].lock); |
e1f43b4c CH |
834 | |
835 | if (i != *numrecs) { | |
836 | ASSERT(i < *numrecs); | |
837 | do_warn(_("correcting nextents for inode %" PRIu64 "\n"), ino); | |
838 | *numrecs = i; | |
839 | } | |
840 | ||
2556c98b | 841 | return error; |
2bd0ea18 NS |
842 | } |
843 | ||
844 | /* | |
845 | * return 1 if inode should be cleared, 0 otherwise, sets block bitmap | |
846 | * as a side-effect | |
847 | */ | |
848 | int | |
849 | process_bmbt_reclist( | |
850 | xfs_mount_t *mp, | |
5e656dbb | 851 | xfs_bmbt_rec_t *rp, |
e1f43b4c | 852 | int *numrecs, |
2bd0ea18 NS |
853 | int type, |
854 | xfs_ino_t ino, | |
5a35bf2c | 855 | xfs_rfsblock_t *tot, |
2bd0ea18 | 856 | blkmap_t **blkmapp, |
5a35bf2c DC |
857 | xfs_fileoff_t *first_key, |
858 | xfs_fileoff_t *last_key, | |
2bd0ea18 NS |
859 | int whichfork) |
860 | { | |
5e656dbb BN |
861 | return process_bmbt_reclist_int(mp, rp, numrecs, type, ino, tot, |
862 | blkmapp, first_key, last_key, 0, whichfork); | |
2bd0ea18 NS |
863 | } |
864 | ||
865 | /* | |
866 | * return 1 if inode should be cleared, 0 otherwise, does not set | |
867 | * block bitmap | |
868 | */ | |
869 | int | |
870 | scan_bmbt_reclist( | |
871 | xfs_mount_t *mp, | |
5e656dbb | 872 | xfs_bmbt_rec_t *rp, |
e1f43b4c | 873 | int *numrecs, |
2bd0ea18 NS |
874 | int type, |
875 | xfs_ino_t ino, | |
5a35bf2c | 876 | xfs_rfsblock_t *tot, |
2bd0ea18 NS |
877 | int whichfork) |
878 | { | |
5a35bf2c DC |
879 | xfs_fileoff_t first_key = 0; |
880 | xfs_fileoff_t last_key = 0; | |
2bd0ea18 | 881 | |
5e656dbb BN |
882 | return process_bmbt_reclist_int(mp, rp, numrecs, type, ino, tot, |
883 | NULL, &first_key, &last_key, 1, whichfork); | |
2bd0ea18 NS |
884 | } |
885 | ||
886 | /* | |
15028317 DW |
887 | * Grab the buffer backing an inode. This is meant for routines that |
888 | * work with inodes one at a time in any order (like walking the | |
889 | * unlinked lists to look for inodes). The caller is responsible for | |
890 | * writing/releasing the buffer. | |
2bd0ea18 | 891 | */ |
15028317 DW |
892 | struct xfs_buf * |
893 | get_agino_buf( | |
894 | struct xfs_mount *mp, | |
895 | xfs_agnumber_t agno, | |
896 | xfs_agino_t agino, | |
897 | struct xfs_dinode **dipp) | |
2bd0ea18 | 898 | { |
15028317 DW |
899 | struct xfs_buf *bp; |
900 | int cluster_size; | |
901 | int ino_per_cluster; | |
902 | xfs_agino_t cluster_agino; | |
903 | xfs_daddr_t cluster_daddr; | |
904 | xfs_daddr_t cluster_blks; | |
2bd0ea18 | 905 | |
15028317 DW |
906 | /* |
907 | * Inode buffers have been read into memory in inode_cluster_size | |
908 | * chunks (or one FSB). To find the correct buffer for an inode, | |
909 | * we must find the buffer for its cluster, add the appropriate | |
910 | * offset, and return that. | |
911 | */ | |
912 | cluster_size = MAX(mp->m_inode_cluster_size, mp->m_sb.sb_blocksize); | |
913 | ino_per_cluster = cluster_size / mp->m_sb.sb_inodesize; | |
914 | cluster_agino = agino & ~(ino_per_cluster - 1); | |
915 | cluster_blks = XFS_FSB_TO_DADDR(mp, MAX(1, | |
2703398a | 916 | mp->m_inode_cluster_size >> mp->m_sb.sb_blocklog)); |
15028317 DW |
917 | cluster_daddr = XFS_AGB_TO_DADDR(mp, agno, |
918 | XFS_AGINO_TO_AGBNO(mp, cluster_agino)); | |
919 | ||
920 | #ifdef XR_INODE_TRACE | |
921 | printf("cluster_size %d ipc %d clusagino %d daddr %lld sectors %lld\n", | |
922 | cluster_size, ino_per_cluster, cluster_agino, cluster_daddr, | |
923 | cluster_blks); | |
924 | #endif | |
925 | ||
926 | bp = libxfs_readbuf(mp->m_dev, cluster_daddr, cluster_blks, | |
927 | 0, &xfs_inode_buf_ops); | |
2bd0ea18 | 928 | if (!bp) { |
5d1b7f0f | 929 | do_warn(_("cannot read inode (%u/%u), disk block %" PRIu64 "\n"), |
15028317 DW |
930 | agno, cluster_agino, cluster_daddr); |
931 | return NULL; | |
2bd0ea18 NS |
932 | } |
933 | ||
15028317 DW |
934 | *dipp = xfs_make_iptr(mp, bp, agino - cluster_agino); |
935 | ASSERT(!xfs_sb_version_hascrc(&mp->m_sb) || | |
936 | XFS_AGINO_TO_INO(mp, agno, agino) == | |
937 | be64_to_cpu((*dipp)->di_ino)); | |
938 | return bp; | |
2bd0ea18 NS |
939 | } |
940 | ||
2bd0ea18 NS |
941 | /* |
942 | * higher level inode processing stuff starts here: | |
943 | * first, one utility routine for each type of inode | |
944 | */ | |
945 | ||
946 | /* | |
947 | * return 1 if inode should be cleared, 0 otherwise | |
948 | */ | |
8b8a6b02 | 949 | static int |
2bd0ea18 NS |
950 | process_btinode( |
951 | xfs_mount_t *mp, | |
952 | xfs_agnumber_t agno, | |
953 | xfs_agino_t ino, | |
954 | xfs_dinode_t *dip, | |
955 | int type, | |
956 | int *dirty, | |
5a35bf2c | 957 | xfs_rfsblock_t *tot, |
14f8b681 | 958 | uint64_t *nex, |
2bd0ea18 NS |
959 | blkmap_t **blkmapp, |
960 | int whichfork, | |
961 | int check_dups) | |
962 | { | |
963 | xfs_bmdr_block_t *dib; | |
5a35bf2c DC |
964 | xfs_fileoff_t last_key; |
965 | xfs_fileoff_t first_key = 0; | |
2bd0ea18 NS |
966 | xfs_ino_t lino; |
967 | xfs_bmbt_ptr_t *pp; | |
968 | xfs_bmbt_key_t *pkey; | |
beed0dc8 | 969 | char *forkname = get_forkname(whichfork); |
2bd0ea18 | 970 | int i; |
9234d416 BN |
971 | int level; |
972 | int numrecs; | |
2bd0ea18 | 973 | bmap_cursor_t cursor; |
14f8b681 | 974 | uint64_t magic; |
2bd0ea18 | 975 | |
46eca962 | 976 | dib = (xfs_bmdr_block_t *)XFS_DFORK_PTR(dip, whichfork); |
2bd0ea18 NS |
977 | lino = XFS_AGINO_TO_INO(mp, agno, ino); |
978 | *tot = 0; | |
979 | *nex = 0; | |
980 | ||
e0607266 DC |
981 | magic = xfs_sb_version_hascrc(&mp->m_sb) ? XFS_BMAP_CRC_MAGIC |
982 | : XFS_BMAP_MAGIC; | |
983 | ||
5e656dbb BN |
984 | level = be16_to_cpu(dib->bb_level); |
985 | numrecs = be16_to_cpu(dib->bb_numrecs); | |
9234d416 BN |
986 | |
987 | if ((level == 0) || (level > XFS_BM_MAXLEVELS(mp, whichfork))) { | |
2bd0ea18 | 988 | /* |
2bd0ea18 NS |
989 | * XXX - if we were going to fix up the inode, |
990 | * we'd try to treat the fork as an interior | |
991 | * node and see if we could get an accurate | |
992 | * level value from one of the blocks pointed | |
993 | * to by the pointers in the fork. For now | |
994 | * though, we just bail (and blow out the inode). | |
995 | */ | |
5d1b7f0f CH |
996 | do_warn( |
997 | _("bad level %d in inode %" PRIu64 " bmap btree root block\n"), | |
9234d416 BN |
998 | level, XFS_AGINO_TO_INO(mp, agno, ino)); |
999 | return(1); | |
1000 | } | |
1001 | if (numrecs == 0) { | |
5d1b7f0f CH |
1002 | do_warn( |
1003 | _("bad numrecs 0 in inode %" PRIu64 " bmap btree root block\n"), | |
2bd0ea18 NS |
1004 | XFS_AGINO_TO_INO(mp, agno, ino)); |
1005 | return(1); | |
1006 | } | |
1007 | /* | |
1008 | * use bmdr/dfork_dsize since the root block is in the data fork | |
1009 | */ | |
5e656dbb | 1010 | if (XFS_BMDR_SPACE_CALC(numrecs) > XFS_DFORK_SIZE(dip, mp, whichfork)) { |
2bd0ea18 | 1011 | do_warn( |
507f4e33 | 1012 | _("indicated size of %s btree root (%d bytes) greater than space in " |
5d1b7f0f | 1013 | "inode %" PRIu64 " %s fork\n"), |
9234d416 | 1014 | forkname, XFS_BMDR_SPACE_CALC(numrecs), lino, forkname); |
2bd0ea18 NS |
1015 | return(1); |
1016 | } | |
1017 | ||
9234d416 BN |
1018 | init_bm_cursor(&cursor, level + 1); |
1019 | ||
b3563c19 | 1020 | pp = XFS_BMDR_PTR_ADDR(dib, 1, |
e2f60652 | 1021 | libxfs_bmdr_maxrecs(XFS_DFORK_SIZE(dip, mp, whichfork), 0)); |
b3563c19 | 1022 | pkey = XFS_BMDR_KEY_ADDR(dib, 1); |
5a35bf2c | 1023 | last_key = NULLFILEOFF; |
2bd0ea18 | 1024 | |
9234d416 | 1025 | for (i = 0; i < numrecs; i++) { |
2bd0ea18 NS |
1026 | /* |
1027 | * XXX - if we were going to do more to fix up the inode | |
1028 | * btree, we'd do it right here. For now, if there's a | |
1029 | * problem, we'll bail out and presumably clear the inode. | |
1030 | */ | |
fb36a55d ES |
1031 | if (!verify_dfsbno(mp, get_unaligned_be64(&pp[i]))) { |
1032 | do_warn( | |
1033 | _("bad bmap btree ptr 0x%" PRIx64 " in ino %" PRIu64 "\n"), | |
1034 | get_unaligned_be64(&pp[i]), lino); | |
2bd0ea18 NS |
1035 | return(1); |
1036 | } | |
1037 | ||
fb36a55d ES |
1038 | if (scan_lbtree(get_unaligned_be64(&pp[i]), level, scan_bmapbt, |
1039 | type, whichfork, lino, tot, nex, blkmapp, | |
1040 | &cursor, 1, check_dups, magic, | |
1041 | &xfs_bmbt_buf_ops)) | |
2bd0ea18 NS |
1042 | return(1); |
1043 | /* | |
1044 | * fix key (offset) mismatches between the keys in root | |
1045 | * block records and the first key of each child block. | |
1046 | * fixes cases where entries have been shifted between | |
1047 | * blocks but the parent hasn't been updated | |
1048 | */ | |
5e656dbb | 1049 | if (!check_dups && cursor.level[level-1].first_key != |
fb36a55d | 1050 | get_unaligned_be64(&pkey[i].br_startoff)) { |
2bd0ea18 NS |
1051 | if (!no_modify) { |
1052 | do_warn( | |
fb36a55d ES |
1053 | _("correcting key in bmbt root (was %" PRIu64 ", now %" PRIu64") in inode " |
1054 | "%" PRIu64" %s fork\n"), | |
1055 | get_unaligned_be64(&pkey[i].br_startoff), | |
1056 | cursor.level[level-1].first_key, | |
1057 | XFS_AGINO_TO_INO(mp, agno, ino), | |
1058 | forkname); | |
2bd0ea18 | 1059 | *dirty = 1; |
fb36a55d ES |
1060 | put_unaligned_be64( |
1061 | cursor.level[level-1].first_key, | |
1062 | &pkey[i].br_startoff); | |
2bd0ea18 NS |
1063 | } else { |
1064 | do_warn( | |
fb36a55d ES |
1065 | _("bad key in bmbt root (is %" PRIu64 ", would reset to %" PRIu64 ") in inode " |
1066 | "%" PRIu64 " %s fork\n"), | |
1067 | get_unaligned_be64(&pkey[i].br_startoff), | |
1068 | cursor.level[level-1].first_key, | |
1069 | XFS_AGINO_TO_INO(mp, agno, ino), | |
1070 | forkname); | |
2bd0ea18 NS |
1071 | } |
1072 | } | |
1073 | /* | |
1074 | * make sure that keys are in ascending order. blow out | |
1075 | * inode if the ordering doesn't hold | |
1076 | */ | |
1077 | if (check_dups == 0) { | |
5a35bf2c | 1078 | if (last_key != NULLFILEOFF && last_key >= |
9234d416 | 1079 | cursor.level[level-1].first_key) { |
2bd0ea18 | 1080 | do_warn( |
5d1b7f0f | 1081 | _("out of order bmbt root key %" PRIu64 " in inode %" PRIu64 " %s fork\n"), |
2bd0ea18 NS |
1082 | first_key, |
1083 | XFS_AGINO_TO_INO(mp, agno, ino), | |
1084 | forkname); | |
1085 | return(1); | |
1086 | } | |
9234d416 | 1087 | last_key = cursor.level[level-1].first_key; |
2bd0ea18 NS |
1088 | } |
1089 | } | |
2e10b140 ES |
1090 | /* |
1091 | * Ideally if all the extents are ok (perhaps after further | |
1092 | * checks below?) we'd just move this back into extents format. | |
1093 | * But for now clear it, as the kernel will choke on this | |
1094 | */ | |
1095 | if (*nex <= XFS_DFORK_SIZE(dip, mp, whichfork) / | |
1096 | sizeof(xfs_bmbt_rec_t)) { | |
1097 | do_warn( | |
5d1b7f0f | 1098 | _("extent count for ino %" PRIu64 " %s fork too low (%" PRIu64 ") for file format\n"), |
2e10b140 ES |
1099 | lino, forkname, *nex); |
1100 | return(1); | |
1101 | } | |
2bd0ea18 NS |
1102 | /* |
1103 | * Check that the last child block's forward sibling pointer | |
1104 | * is NULL. | |
1105 | */ | |
1106 | if (check_dups == 0 && | |
5a35bf2c | 1107 | cursor.level[0].right_fsbno != NULLFSBLOCK) { |
2bd0ea18 | 1108 | do_warn( |
5a35bf2c | 1109 | _("bad fwd (right) sibling pointer (saw %" PRIu64 " should be NULLFSBLOCK)\n"), |
2bd0ea18 NS |
1110 | cursor.level[0].right_fsbno); |
1111 | do_warn( | |
5d1b7f0f | 1112 | _("\tin inode %" PRIu64 " (%s fork) bmap btree block %" PRIu64 "\n"), |
2bd0ea18 NS |
1113 | XFS_AGINO_TO_INO(mp, agno, ino), forkname, |
1114 | cursor.level[0].fsbno); | |
1115 | return(1); | |
1116 | } | |
dfc130f3 | 1117 | |
2bd0ea18 NS |
1118 | return(0); |
1119 | } | |
1120 | ||
1121 | /* | |
1122 | * return 1 if inode should be cleared, 0 otherwise | |
1123 | */ | |
8b8a6b02 | 1124 | static int |
2bd0ea18 NS |
1125 | process_exinode( |
1126 | xfs_mount_t *mp, | |
1127 | xfs_agnumber_t agno, | |
1128 | xfs_agino_t ino, | |
1129 | xfs_dinode_t *dip, | |
1130 | int type, | |
1131 | int *dirty, | |
5a35bf2c | 1132 | xfs_rfsblock_t *tot, |
14f8b681 | 1133 | uint64_t *nex, |
2bd0ea18 NS |
1134 | blkmap_t **blkmapp, |
1135 | int whichfork, | |
1136 | int check_dups) | |
1137 | { | |
1138 | xfs_ino_t lino; | |
5e656dbb | 1139 | xfs_bmbt_rec_t *rp; |
5a35bf2c DC |
1140 | xfs_fileoff_t first_key; |
1141 | xfs_fileoff_t last_key; | |
5fa28531 | 1142 | int32_t numrecs; |
e1f43b4c | 1143 | int ret; |
2bd0ea18 NS |
1144 | |
1145 | lino = XFS_AGINO_TO_INO(mp, agno, ino); | |
5e656dbb | 1146 | rp = (xfs_bmbt_rec_t *)XFS_DFORK_PTR(dip, whichfork); |
2bd0ea18 | 1147 | *tot = 0; |
e1f43b4c CH |
1148 | numrecs = XFS_DFORK_NEXTENTS(dip, whichfork); |
1149 | ||
5fa28531 DC |
1150 | /* |
1151 | * We've already decided on the maximum number of extents on the inode, | |
1152 | * and numrecs may be corrupt. Hence make sure we only allow numrecs to | |
1153 | * be in the range of valid on-disk numbers, which is: | |
1154 | * 0 < numrecs < 2^31 - 1 | |
1155 | */ | |
1156 | if (numrecs < 0) | |
1157 | numrecs = *nex; | |
1158 | ||
2bd0ea18 NS |
1159 | /* |
1160 | * XXX - if we were going to fix up the btree record, | |
1161 | * we'd do it right here. For now, if there's a problem, | |
1162 | * we'll bail out and presumably clear the inode. | |
1163 | */ | |
1164 | if (check_dups == 0) | |
e1f43b4c | 1165 | ret = process_bmbt_reclist(mp, rp, &numrecs, type, lino, |
2bd0ea18 | 1166 | tot, blkmapp, &first_key, &last_key, |
e1f43b4c | 1167 | whichfork); |
2bd0ea18 | 1168 | else |
e1f43b4c CH |
1169 | ret = scan_bmbt_reclist(mp, rp, &numrecs, type, lino, tot, |
1170 | whichfork); | |
1171 | ||
1172 | *nex = numrecs; | |
1173 | return ret; | |
2bd0ea18 NS |
1174 | } |
1175 | ||
1176 | /* | |
1177 | * return 1 if inode should be cleared, 0 otherwise | |
1178 | */ | |
5e656dbb | 1179 | static int |
2bd0ea18 NS |
1180 | process_lclinode( |
1181 | xfs_mount_t *mp, | |
1182 | xfs_agnumber_t agno, | |
1183 | xfs_agino_t ino, | |
1184 | xfs_dinode_t *dip, | |
5e656dbb | 1185 | int whichfork) |
2bd0ea18 NS |
1186 | { |
1187 | xfs_attr_shortform_t *asf; | |
2bd0ea18 NS |
1188 | xfs_ino_t lino; |
1189 | ||
2bd0ea18 | 1190 | lino = XFS_AGINO_TO_INO(mp, agno, ino); |
56b2de80 | 1191 | if (whichfork == XFS_DATA_FORK && be64_to_cpu(dip->di_size) > |
5e656dbb | 1192 | XFS_DFORK_DSIZE(dip, mp)) { |
2bd0ea18 | 1193 | do_warn( |
5d1b7f0f CH |
1194 | _("local inode %" PRIu64 " data fork is too large (size = %lld, max = %d)\n"), |
1195 | lino, (unsigned long long) be64_to_cpu(dip->di_size), | |
46eca962 | 1196 | XFS_DFORK_DSIZE(dip, mp)); |
2bd0ea18 NS |
1197 | return(1); |
1198 | } else if (whichfork == XFS_ATTR_FORK) { | |
5e656dbb BN |
1199 | asf = (xfs_attr_shortform_t *)XFS_DFORK_APTR(dip); |
1200 | if (be16_to_cpu(asf->hdr.totsize) > XFS_DFORK_ASIZE(dip, mp)) { | |
2bd0ea18 | 1201 | do_warn( |
5d1b7f0f | 1202 | _("local inode %" PRIu64 " attr fork too large (size %d, max = %d)\n"), |
5e656dbb | 1203 | lino, be16_to_cpu(asf->hdr.totsize), |
46eca962 | 1204 | XFS_DFORK_ASIZE(dip, mp)); |
2bd0ea18 NS |
1205 | return(1); |
1206 | } | |
5e656dbb | 1207 | if (be16_to_cpu(asf->hdr.totsize) < sizeof(xfs_attr_sf_hdr_t)) { |
2bd0ea18 | 1208 | do_warn( |
5d1b7f0f | 1209 | _("local inode %" PRIu64 " attr too small (size = %d, min size = %zd)\n"), |
5e656dbb | 1210 | lino, be16_to_cpu(asf->hdr.totsize), |
507f4e33 | 1211 | sizeof(xfs_attr_sf_hdr_t)); |
2bd0ea18 NS |
1212 | return(1); |
1213 | } | |
1214 | } | |
1215 | ||
1216 | return(0); | |
1217 | } | |
1218 | ||
8b8a6b02 | 1219 | static int |
2bd0ea18 NS |
1220 | process_symlink_extlist(xfs_mount_t *mp, xfs_ino_t lino, xfs_dinode_t *dino) |
1221 | { | |
5a35bf2c | 1222 | xfs_fileoff_t expected_offset; |
e0a12bda BN |
1223 | xfs_bmbt_rec_t *rp; |
1224 | xfs_bmbt_irec_t irec; | |
2bd0ea18 NS |
1225 | int numrecs; |
1226 | int i; | |
1227 | int max_blocks; | |
2bd0ea18 | 1228 | |
56b2de80 | 1229 | if (be64_to_cpu(dino->di_size) <= XFS_DFORK_DSIZE(dino, mp)) { |
f8149110 | 1230 | if (dino->di_format == XFS_DINODE_FMT_LOCAL) |
5e656dbb | 1231 | return 0; |
5d1b7f0f CH |
1232 | do_warn( |
1233 | _("mismatch between format (%d) and size (%" PRId64 ") in symlink ino %" PRIu64 "\n"), | |
1234 | dino->di_format, | |
14f8b681 | 1235 | (int64_t)be64_to_cpu(dino->di_size), lino); |
5e656dbb BN |
1236 | return 1; |
1237 | } | |
56b2de80 | 1238 | if (dino->di_format == XFS_DINODE_FMT_LOCAL) { |
5d1b7f0f | 1239 | do_warn( |
b52923f3 | 1240 | _("mismatch between format (%d) and size (%" PRId64 ") in symlink inode %" PRIu64 "\n"), |
5d1b7f0f | 1241 | dino->di_format, |
14f8b681 | 1242 | (int64_t)be64_to_cpu(dino->di_size), lino); |
5e656dbb | 1243 | return 1; |
2bd0ea18 NS |
1244 | } |
1245 | ||
5e656dbb | 1246 | rp = (xfs_bmbt_rec_t *)XFS_DFORK_DPTR(dino); |
56b2de80 | 1247 | numrecs = be32_to_cpu(dino->di_nextents); |
2bd0ea18 NS |
1248 | |
1249 | /* | |
1250 | * the max # of extents in a symlink inode is equal to the | |
dfc130f3 | 1251 | * number of max # of blocks required to store the symlink |
2bd0ea18 NS |
1252 | */ |
1253 | if (numrecs > max_symlink_blocks) { | |
1254 | do_warn( | |
5d1b7f0f | 1255 | _("bad number of extents (%d) in symlink %" PRIu64 " data fork\n"), |
2bd0ea18 NS |
1256 | numrecs, lino); |
1257 | return(1); | |
1258 | } | |
1259 | ||
1260 | max_blocks = max_symlink_blocks; | |
1261 | expected_offset = 0; | |
1262 | ||
5e656dbb | 1263 | for (i = 0; i < numrecs; i++) { |
ff105f75 | 1264 | libxfs_bmbt_disk_get_all((rp +i), &irec); |
e0a12bda | 1265 | if (irec.br_startoff != expected_offset) { |
2bd0ea18 | 1266 | do_warn( |
5d1b7f0f | 1267 | _("bad extent #%d offset (%" PRIu64 ") in symlink %" PRIu64 " data fork\n"), |
e0a12bda | 1268 | i, irec.br_startoff, lino); |
2bd0ea18 NS |
1269 | return(1); |
1270 | } | |
e0a12bda | 1271 | if (irec.br_blockcount == 0 || irec.br_blockcount > max_blocks) { |
2bd0ea18 | 1272 | do_warn( |
5d1b7f0f | 1273 | _("bad extent #%d count (%" PRIu64 ") in symlink %" PRIu64 " data fork\n"), |
e0a12bda | 1274 | i, irec.br_blockcount, lino); |
2bd0ea18 NS |
1275 | return(1); |
1276 | } | |
1277 | ||
e0a12bda BN |
1278 | max_blocks -= irec.br_blockcount; |
1279 | expected_offset += irec.br_blockcount; | |
2bd0ea18 NS |
1280 | } |
1281 | ||
1282 | return(0); | |
1283 | } | |
1284 | ||
1285 | /* | |
1286 | * takes a name and length and returns 1 if the name contains | |
1287 | * a \0, returns 0 otherwise | |
1288 | */ | |
8b8a6b02 | 1289 | static int |
2bd0ea18 NS |
1290 | null_check(char *name, int length) |
1291 | { | |
1292 | int i; | |
1293 | ||
5a707ca1 | 1294 | ASSERT(length < XFS_SYMLINK_MAXLEN); |
2bd0ea18 NS |
1295 | |
1296 | for (i = 0; i < length; i++, name++) { | |
1297 | if (*name == '\0') | |
1298 | return(1); | |
1299 | } | |
1300 | ||
1301 | return(0); | |
1302 | } | |
1303 | ||
5857dce9 ES |
1304 | /* |
1305 | * This does /not/ do quotacheck, it validates the basic quota | |
1306 | * inode metadata, checksums, etc. | |
1307 | */ | |
1308 | #define uuid_equal(s,d) (platform_uuid_compare((s),(d)) == 0) | |
1309 | static int | |
1310 | process_quota_inode( | |
1311 | struct xfs_mount *mp, | |
1312 | xfs_ino_t lino, | |
1313 | struct xfs_dinode *dino, | |
1314 | uint ino_type, | |
1315 | struct blkmap *blkmap) | |
1316 | { | |
1317 | xfs_fsblock_t fsbno; | |
1318 | struct xfs_buf *bp; | |
1319 | xfs_filblks_t dqchunklen; | |
1320 | uint dqperchunk; | |
1321 | int quota_type; | |
1322 | char *quota_string; | |
1323 | xfs_dqid_t dqid; | |
1324 | xfs_fileoff_t qbno; | |
1325 | int i; | |
1326 | int t = 0; | |
1327 | ||
1328 | switch (ino_type) { | |
1329 | case XR_INO_UQUOTA: | |
1330 | quota_type = XFS_DQ_USER; | |
1331 | quota_string = _("User quota"); | |
1332 | break; | |
1333 | case XR_INO_GQUOTA: | |
1334 | quota_type = XFS_DQ_GROUP; | |
1335 | quota_string = _("Group quota"); | |
1336 | break; | |
1337 | case XR_INO_PQUOTA: | |
1338 | quota_type = XFS_DQ_PROJ; | |
1339 | quota_string = _("Project quota"); | |
1340 | break; | |
1341 | default: | |
1342 | ASSERT(0); | |
1343 | } | |
1344 | ||
1345 | dqchunklen = XFS_FSB_TO_BB(mp, XFS_DQUOT_CLUSTER_SIZE_FSB); | |
585acbe8 | 1346 | dqperchunk = libxfs_calc_dquots_per_chunk(dqchunklen); |
5857dce9 ES |
1347 | dqid = 0; |
1348 | qbno = NULLFILEOFF; | |
1349 | ||
1350 | while ((qbno = blkmap_next_off(blkmap, qbno, &t)) != NULLFILEOFF) { | |
1351 | xfs_dqblk_t *dqb; | |
1352 | int writebuf = 0; | |
1353 | ||
1354 | fsbno = blkmap_get(blkmap, qbno); | |
1355 | dqid = (xfs_dqid_t)qbno * dqperchunk; | |
1356 | ||
1357 | bp = libxfs_readbuf(mp->m_dev, XFS_FSB_TO_DADDR(mp, fsbno), | |
1358 | dqchunklen, 0, &xfs_dquot_buf_ops); | |
1359 | if (!bp) { | |
1360 | do_warn( | |
1361 | _("cannot read inode %" PRIu64 ", file block %" PRIu64 ", disk block %" PRIu64 "\n"), | |
1362 | lino, qbno, fsbno); | |
1363 | return 1; | |
1364 | } | |
1365 | ||
1366 | dqb = bp->b_addr; | |
1367 | for (i = 0; i < dqperchunk; i++, dqid++, dqb++) { | |
5857dce9 ES |
1368 | int bad_dqb = 0; |
1369 | ||
1370 | /* We only print the first problem we find */ | |
1371 | if (xfs_sb_version_hascrc(&mp->m_sb)) { | |
585acbe8 ES |
1372 | if (!libxfs_verify_cksum((char *)dqb, |
1373 | sizeof(*dqb), | |
5857dce9 ES |
1374 | XFS_DQUOT_CRC_OFF)) { |
1375 | do_warn(_("%s: bad CRC for id %u. "), | |
1376 | quota_string, dqid); | |
1377 | bad_dqb = 1; | |
1378 | goto bad; | |
1379 | } | |
1380 | ||
1381 | if (!uuid_equal(&dqb->dd_uuid, | |
1382 | &mp->m_sb.sb_meta_uuid)) { | |
1383 | do_warn(_("%s: bad UUID for id %u. "), | |
1384 | quota_string, dqid); | |
1385 | bad_dqb = 1; | |
1386 | goto bad; | |
1387 | } | |
1388 | } | |
585acbe8 | 1389 | if (libxfs_dquot_verify(mp, &dqb->dd_diskdq, dqid, |
160942bc | 1390 | quota_type) != NULL) { |
5857dce9 ES |
1391 | do_warn(_("%s: Corrupt quota for id %u. "), |
1392 | quota_string, dqid); | |
1393 | bad_dqb = 1; | |
1394 | } | |
1395 | ||
1396 | bad: | |
1397 | if (bad_dqb) { | |
1398 | if (no_modify) | |
1399 | do_warn(_("Would correct.\n")); | |
1400 | else { | |
1401 | do_warn(_("Corrected.\n")); | |
e1d3178a | 1402 | libxfs_dqblk_repair(mp, dqb, |
585acbe8 | 1403 | dqid, quota_type); |
5857dce9 ES |
1404 | writebuf = 1; |
1405 | } | |
1406 | } | |
1407 | } | |
1408 | ||
1409 | if (writebuf && !no_modify) | |
1410 | libxfs_writebuf(bp, 0); | |
1411 | else | |
1412 | libxfs_putbuf(bp); | |
1413 | } | |
1414 | return 0; | |
1415 | } | |
1416 | ||
2019931a DC |
1417 | static int |
1418 | process_symlink_remote( | |
1419 | struct xfs_mount *mp, | |
1420 | xfs_ino_t lino, | |
1421 | struct xfs_dinode *dino, | |
1422 | struct blkmap *blkmap, | |
1423 | char *dst) | |
1424 | { | |
5a35bf2c | 1425 | xfs_fsblock_t fsbno; |
2019931a DC |
1426 | struct xfs_buf *bp; |
1427 | char *src; | |
1428 | int pathlen; | |
1429 | int offset; | |
1430 | int i; | |
1431 | ||
1432 | offset = 0; | |
1433 | pathlen = be64_to_cpu(dino->di_size); | |
1434 | i = 0; | |
1435 | ||
1436 | while (pathlen > 0) { | |
1437 | int blk_cnt = 1; | |
1438 | int byte_cnt; | |
7cb3f7fe | 1439 | int badcrc = 0; |
2019931a DC |
1440 | |
1441 | fsbno = blkmap_get(blkmap, i); | |
5a35bf2c | 1442 | if (fsbno == NULLFSBLOCK) { |
2019931a DC |
1443 | do_warn( |
1444 | _("cannot read inode %" PRIu64 ", file block %d, NULL disk block\n"), | |
1445 | lino, i); | |
1446 | return 1; | |
1447 | } | |
1448 | ||
1449 | /* | |
1450 | * There's a symlink header for each contiguous extent. If | |
1451 | * there are contiguous blocks, read them in one go. | |
1452 | */ | |
1453 | while (blk_cnt <= max_symlink_blocks) { | |
1454 | if (blkmap_get(blkmap, i + 1) != fsbno + 1) | |
1455 | break; | |
1456 | blk_cnt++; | |
1457 | i++; | |
1458 | } | |
1459 | ||
1460 | byte_cnt = XFS_FSB_TO_B(mp, blk_cnt); | |
1461 | ||
1462 | bp = libxfs_readbuf(mp->m_dev, XFS_FSB_TO_DADDR(mp, fsbno), | |
1463 | BTOBB(byte_cnt), 0, &xfs_symlink_buf_ops); | |
1464 | if (!bp) { | |
1465 | do_warn( | |
1466 | _("cannot read inode %" PRIu64 ", file block %d, disk block %" PRIu64 "\n"), | |
1467 | lino, i, fsbno); | |
1468 | return 1; | |
1469 | } | |
d2be29d4 DW |
1470 | if (bp->b_error == -EFSCORRUPTED) { |
1471 | do_warn( | |
1472 | _("Corrupt symlink remote block %" PRIu64 ", inode %" PRIu64 ".\n"), | |
1473 | fsbno, lino); | |
1474 | libxfs_putbuf(bp); | |
1475 | return 1; | |
1476 | } | |
12b53197 | 1477 | if (bp->b_error == -EFSBADCRC) { |
7cb3f7fe DC |
1478 | do_warn( |
1479 | _("Bad symlink buffer CRC, block %" PRIu64 ", inode %" PRIu64 ".\n" | |
1480 | "Correcting CRC, but symlink may be bad.\n"), fsbno, lino); | |
1481 | badcrc = 1; | |
1482 | } | |
2019931a DC |
1483 | |
1484 | byte_cnt = XFS_SYMLINK_BUF_SPACE(mp, byte_cnt); | |
1485 | byte_cnt = MIN(pathlen, byte_cnt); | |
1486 | ||
1487 | src = bp->b_addr; | |
1488 | if (xfs_sb_version_hascrc(&mp->m_sb)) { | |
ff105f75 DC |
1489 | if (!libxfs_symlink_hdr_ok(lino, offset, |
1490 | byte_cnt, bp)) { | |
2019931a DC |
1491 | do_warn( |
1492 | _("bad symlink header ino %" PRIu64 ", file block %d, disk block %" PRIu64 "\n"), | |
1493 | lino, i, fsbno); | |
1494 | libxfs_putbuf(bp); | |
1495 | return 1; | |
1496 | } | |
1497 | src += sizeof(struct xfs_dsymlink_hdr); | |
1498 | } | |
1499 | ||
1500 | memmove(dst + offset, src, byte_cnt); | |
1501 | ||
1502 | pathlen -= byte_cnt; | |
1503 | offset += byte_cnt; | |
1504 | i++; | |
1505 | ||
7cb3f7fe DC |
1506 | if (badcrc && !no_modify) |
1507 | libxfs_writebuf(bp, 0); | |
1508 | else | |
1509 | libxfs_putbuf(bp); | |
2019931a DC |
1510 | } |
1511 | return 0; | |
1512 | } | |
1513 | ||
2bd0ea18 NS |
1514 | /* |
1515 | * like usual, returns 0 if everything's ok and 1 if something's | |
1516 | * bogus | |
1517 | */ | |
8b8a6b02 | 1518 | static int |
0459b626 BN |
1519 | process_symlink( |
1520 | xfs_mount_t *mp, | |
1521 | xfs_ino_t lino, | |
1522 | xfs_dinode_t *dino, | |
1523 | blkmap_t *blkmap) | |
2bd0ea18 | 1524 | { |
2116b6a6 | 1525 | char *symlink; |
5a707ca1 | 1526 | char data[XFS_SYMLINK_MAXLEN]; |
2bd0ea18 NS |
1527 | |
1528 | /* | |
1529 | * check size against kernel symlink limits. we know | |
1530 | * size is consistent with inode storage format -- e.g. | |
1531 | * the inode is structurally ok so we don't have to check | |
1532 | * for that | |
1533 | */ | |
5a707ca1 | 1534 | if (be64_to_cpu(dino->di_size) >= XFS_SYMLINK_MAXLEN) { |
5d1b7f0f CH |
1535 | do_warn(_("symlink in inode %" PRIu64 " too long (%llu chars)\n"), |
1536 | lino, (unsigned long long) be64_to_cpu(dino->di_size)); | |
2bd0ea18 NS |
1537 | return(1); |
1538 | } | |
1539 | ||
948ade75 BF |
1540 | if (be64_to_cpu(dino->di_size) == 0) { |
1541 | do_warn(_("zero size symlink in inode %" PRIu64 "\n"), lino); | |
1542 | return 1; | |
1543 | } | |
1544 | ||
2bd0ea18 NS |
1545 | /* |
1546 | * have to check symlink component by component. | |
1547 | * get symlink contents into data area | |
1548 | */ | |
1549 | symlink = &data[0]; | |
56b2de80 | 1550 | if (be64_to_cpu(dino->di_size) <= XFS_DFORK_DSIZE(dino, mp)) { |
2bd0ea18 NS |
1551 | /* |
1552 | * local symlink, just copy the symlink out of the | |
1553 | * inode into the data area | |
1554 | */ | |
f8149110 | 1555 | memmove(symlink, XFS_DFORK_DPTR(dino), |
56b2de80 | 1556 | be64_to_cpu(dino->di_size)); |
2bd0ea18 | 1557 | } else { |
2019931a | 1558 | int error; |
e0607266 | 1559 | |
2019931a DC |
1560 | error = process_symlink_remote(mp, lino, dino, blkmap, symlink); |
1561 | if (error) | |
1562 | return error; | |
2bd0ea18 | 1563 | } |
2019931a | 1564 | |
56b2de80 | 1565 | data[be64_to_cpu(dino->di_size)] = '\0'; |
2bd0ea18 NS |
1566 | |
1567 | /* | |
1568 | * check for nulls | |
1569 | */ | |
56b2de80 | 1570 | if (null_check(symlink, be64_to_cpu(dino->di_size))) { |
507f4e33 | 1571 | do_warn( |
5d1b7f0f | 1572 | _("found illegal null character in symlink inode %" PRIu64 "\n"), |
2bd0ea18 NS |
1573 | lino); |
1574 | return(1); | |
1575 | } | |
1576 | ||
2bd0ea18 NS |
1577 | return(0); |
1578 | } | |
1579 | ||
1580 | /* | |
1581 | * called to process the set of misc inode special inode types | |
1582 | * that have no associated data storage (fifos, pipes, devices, etc.). | |
1583 | */ | |
0459b626 | 1584 | static int |
2bd0ea18 NS |
1585 | process_misc_ino_types(xfs_mount_t *mp, |
1586 | xfs_dinode_t *dino, | |
1587 | xfs_ino_t lino, | |
1588 | int type) | |
1589 | { | |
1590 | /* | |
1591 | * disallow mountpoint inodes until such time as the | |
1592 | * kernel actually allows them to be created (will | |
1593 | * probably require a superblock version rev, sigh). | |
1594 | */ | |
1595 | if (type == XR_INO_MOUNTPOINT) { | |
5d1b7f0f CH |
1596 | do_warn( |
1597 | _("inode %" PRIu64 " has bad inode type (IFMNT)\n"), lino); | |
2bd0ea18 NS |
1598 | return(1); |
1599 | } | |
1600 | ||
1601 | /* | |
1602 | * must also have a zero size | |
1603 | */ | |
56b2de80 | 1604 | if (be64_to_cpu(dino->di_size) != 0) { |
2bd0ea18 NS |
1605 | switch (type) { |
1606 | case XR_INO_CHRDEV: | |
5d1b7f0f CH |
1607 | do_warn( |
1608 | _("size of character device inode %" PRIu64 " != 0 (%" PRId64 " bytes)\n"), lino, | |
14f8b681 | 1609 | (int64_t)be64_to_cpu(dino->di_size)); |
2bd0ea18 NS |
1610 | break; |
1611 | case XR_INO_BLKDEV: | |
5d1b7f0f CH |
1612 | do_warn( |
1613 | _("size of block device inode %" PRIu64 " != 0 (%" PRId64 " bytes)\n"), lino, | |
14f8b681 | 1614 | (int64_t)be64_to_cpu(dino->di_size)); |
2bd0ea18 NS |
1615 | break; |
1616 | case XR_INO_SOCK: | |
5d1b7f0f CH |
1617 | do_warn( |
1618 | _("size of socket inode %" PRIu64 " != 0 (%" PRId64 " bytes)\n"), lino, | |
14f8b681 | 1619 | (int64_t)be64_to_cpu(dino->di_size)); |
2bd0ea18 NS |
1620 | break; |
1621 | case XR_INO_FIFO: | |
5d1b7f0f CH |
1622 | do_warn( |
1623 | _("size of fifo inode %" PRIu64 " != 0 (%" PRId64 " bytes)\n"), lino, | |
14f8b681 | 1624 | (int64_t)be64_to_cpu(dino->di_size)); |
2bd0ea18 | 1625 | break; |
5857dce9 ES |
1626 | case XR_INO_UQUOTA: |
1627 | case XR_INO_GQUOTA: | |
1628 | case XR_INO_PQUOTA: | |
1629 | do_warn( | |
1630 | _("size of quota inode %" PRIu64 " != 0 (%" PRId64 " bytes)\n"), lino, | |
1631 | (int64_t)be64_to_cpu(dino->di_size)); | |
1632 | break; | |
2bd0ea18 | 1633 | default: |
507f4e33 NS |
1634 | do_warn(_("Internal error - process_misc_ino_types, " |
1635 | "illegal type %d\n"), type); | |
2bd0ea18 NS |
1636 | abort(); |
1637 | } | |
1638 | ||
1639 | return(1); | |
1640 | } | |
1641 | ||
1642 | return(0); | |
1643 | } | |
1644 | ||
5e656dbb | 1645 | static int |
5a35bf2c | 1646 | process_misc_ino_types_blocks(xfs_rfsblock_t totblocks, xfs_ino_t lino, int type) |
2bd0ea18 NS |
1647 | { |
1648 | /* | |
1649 | * you can not enforce all misc types have zero data fork blocks | |
56b2de80 | 1650 | * by checking dino->di_nblocks because atotblocks (attribute |
2bd0ea18 | 1651 | * blocks) are part of nblocks. We must check this later when atotblocks |
dfc130f3 | 1652 | * has been calculated or by doing a simple check that anExtents == 0. |
2bd0ea18 NS |
1653 | * We must also guarantee that totblocks is 0. Thus nblocks checking |
1654 | * will be done later in process_dinode_int for misc types. | |
1655 | */ | |
1656 | ||
1657 | if (totblocks != 0) { | |
1658 | switch (type) { | |
1659 | case XR_INO_CHRDEV: | |
1660 | do_warn( | |
5d1b7f0f | 1661 | _("size of character device inode %" PRIu64 " != 0 (%" PRIu64 " blocks)\n"), |
2bd0ea18 NS |
1662 | lino, totblocks); |
1663 | break; | |
1664 | case XR_INO_BLKDEV: | |
1665 | do_warn( | |
5d1b7f0f | 1666 | _("size of block device inode %" PRIu64 " != 0 (%" PRIu64 " blocks)\n"), |
2bd0ea18 NS |
1667 | lino, totblocks); |
1668 | break; | |
1669 | case XR_INO_SOCK: | |
1670 | do_warn( | |
5d1b7f0f | 1671 | _("size of socket inode %" PRIu64 " != 0 (%" PRIu64 " blocks)\n"), |
2bd0ea18 NS |
1672 | lino, totblocks); |
1673 | break; | |
1674 | case XR_INO_FIFO: | |
1675 | do_warn( | |
5d1b7f0f | 1676 | _("size of fifo inode %" PRIu64 " != 0 (%" PRIu64 " blocks)\n"), |
2bd0ea18 NS |
1677 | lino, totblocks); |
1678 | break; | |
1679 | default: | |
1680 | return(0); | |
1681 | } | |
1682 | return(1); | |
1683 | } | |
1684 | return (0); | |
1685 | } | |
1686 | ||
0459b626 BN |
1687 | static inline int |
1688 | dinode_fmt( | |
56b2de80 | 1689 | xfs_dinode_t *dino) |
2bd0ea18 | 1690 | { |
56b2de80 | 1691 | return be16_to_cpu(dino->di_mode) & S_IFMT; |
0459b626 | 1692 | } |
2bd0ea18 | 1693 | |
0459b626 BN |
1694 | static inline void |
1695 | change_dinode_fmt( | |
56b2de80 | 1696 | xfs_dinode_t *dino, |
0459b626 BN |
1697 | int new_fmt) |
1698 | { | |
56b2de80 | 1699 | int mode = be16_to_cpu(dino->di_mode); |
2bd0ea18 | 1700 | |
0459b626 | 1701 | ASSERT((new_fmt & ~S_IFMT) == 0); |
2bd0ea18 | 1702 | |
0459b626 BN |
1703 | mode &= ~S_IFMT; |
1704 | mode |= new_fmt; | |
56b2de80 | 1705 | dino->di_mode = cpu_to_be16(mode); |
0459b626 BN |
1706 | } |
1707 | ||
1708 | static int | |
1709 | check_dinode_mode_format( | |
56b2de80 | 1710 | xfs_dinode_t *dinoc) |
0459b626 | 1711 | { |
5e656dbb | 1712 | if (dinoc->di_format >= XFS_DINODE_FMT_UUID) |
0459b626 BN |
1713 | return -1; /* FMT_UUID is not used */ |
1714 | ||
1715 | switch (dinode_fmt(dinoc)) { | |
1716 | case S_IFIFO: | |
1717 | case S_IFCHR: | |
1718 | case S_IFBLK: | |
1719 | case S_IFSOCK: | |
1720 | return (dinoc->di_format != XFS_DINODE_FMT_DEV) ? -1 : 0; | |
1721 | ||
1722 | case S_IFDIR: | |
1723 | return (dinoc->di_format < XFS_DINODE_FMT_LOCAL || | |
1724 | dinoc->di_format > XFS_DINODE_FMT_BTREE) ? -1 : 0; | |
1725 | ||
1726 | case S_IFREG: | |
1727 | return (dinoc->di_format < XFS_DINODE_FMT_EXTENTS || | |
1728 | dinoc->di_format > XFS_DINODE_FMT_BTREE) ? -1 : 0; | |
1729 | ||
1730 | case S_IFLNK: | |
1731 | return (dinoc->di_format < XFS_DINODE_FMT_LOCAL || | |
1732 | dinoc->di_format > XFS_DINODE_FMT_EXTENTS) ? -1 : 0; | |
1733 | ||
1734 | default: ; | |
1735 | } | |
1736 | return 0; /* invalid modes are checked elsewhere */ | |
1737 | } | |
1738 | ||
1739 | /* | |
1740 | * If inode is a superblock inode, does type check to make sure is it valid. | |
1741 | * Returns 0 if it's valid, non-zero if it needs to be cleared. | |
1742 | */ | |
1743 | ||
1744 | static int | |
1745 | process_check_sb_inodes( | |
1746 | xfs_mount_t *mp, | |
56b2de80 | 1747 | xfs_dinode_t *dinoc, |
0459b626 BN |
1748 | xfs_ino_t lino, |
1749 | int *type, | |
1750 | int *dirty) | |
1751 | { | |
1752 | if (lino == mp->m_sb.sb_rootino) { | |
5857dce9 | 1753 | if (*type != XR_INO_DIR) { |
5d1b7f0f | 1754 | do_warn(_("root inode %" PRIu64 " has bad type 0x%x\n"), |
0459b626 BN |
1755 | lino, dinode_fmt(dinoc)); |
1756 | *type = XR_INO_DIR; | |
2bd0ea18 | 1757 | if (!no_modify) { |
0459b626 BN |
1758 | do_warn(_("resetting to directory\n")); |
1759 | change_dinode_fmt(dinoc, S_IFDIR); | |
2bd0ea18 | 1760 | *dirty = 1; |
0459b626 BN |
1761 | } else |
1762 | do_warn(_("would reset to directory\n")); | |
2bd0ea18 | 1763 | } |
0459b626 | 1764 | return 0; |
2bd0ea18 | 1765 | } |
0459b626 | 1766 | if (lino == mp->m_sb.sb_uquotino) { |
5857dce9 | 1767 | if (*type != XR_INO_UQUOTA) { |
5d1b7f0f | 1768 | do_warn(_("user quota inode %" PRIu64 " has bad type 0x%x\n"), |
0459b626 BN |
1769 | lino, dinode_fmt(dinoc)); |
1770 | mp->m_sb.sb_uquotino = NULLFSINO; | |
1771 | return 1; | |
1772 | } | |
1773 | return 0; | |
1774 | } | |
1775 | if (lino == mp->m_sb.sb_gquotino) { | |
5857dce9 | 1776 | if (*type != XR_INO_GQUOTA) { |
5d1b7f0f | 1777 | do_warn(_("group quota inode %" PRIu64 " has bad type 0x%x\n"), |
0459b626 BN |
1778 | lino, dinode_fmt(dinoc)); |
1779 | mp->m_sb.sb_gquotino = NULLFSINO; | |
1780 | return 1; | |
1781 | } | |
1782 | return 0; | |
1783 | } | |
0340d706 | 1784 | if (lino == mp->m_sb.sb_pquotino) { |
5857dce9 | 1785 | if (*type != XR_INO_PQUOTA) { |
0340d706 CS |
1786 | do_warn(_("project quota inode %" PRIu64 " has bad type 0x%x\n"), |
1787 | lino, dinode_fmt(dinoc)); | |
1788 | mp->m_sb.sb_pquotino = NULLFSINO; | |
1789 | return 1; | |
1790 | } | |
1791 | return 0; | |
1792 | } | |
0459b626 BN |
1793 | if (lino == mp->m_sb.sb_rsumino) { |
1794 | if (*type != XR_INO_RTSUM) { | |
5d1b7f0f CH |
1795 | do_warn( |
1796 | _("realtime summary inode %" PRIu64 " has bad type 0x%x, "), | |
0459b626 | 1797 | lino, dinode_fmt(dinoc)); |
2bd0ea18 | 1798 | if (!no_modify) { |
0459b626 BN |
1799 | do_warn(_("resetting to regular file\n")); |
1800 | change_dinode_fmt(dinoc, S_IFREG); | |
2bd0ea18 | 1801 | *dirty = 1; |
2bd0ea18 | 1802 | } else { |
0459b626 | 1803 | do_warn(_("would reset to regular file\n")); |
2bd0ea18 | 1804 | } |
2bd0ea18 | 1805 | } |
0459b626 | 1806 | if (mp->m_sb.sb_rblocks == 0 && dinoc->di_nextents != 0) { |
5d1b7f0f CH |
1807 | do_warn( |
1808 | _("bad # of extents (%u) for realtime summary inode %" PRIu64 "\n"), | |
0459b626 BN |
1809 | be32_to_cpu(dinoc->di_nextents), lino); |
1810 | return 1; | |
1811 | } | |
1812 | return 0; | |
2bd0ea18 | 1813 | } |
0459b626 BN |
1814 | if (lino == mp->m_sb.sb_rbmino) { |
1815 | if (*type != XR_INO_RTBITMAP) { | |
5d1b7f0f CH |
1816 | do_warn( |
1817 | _("realtime bitmap inode %" PRIu64 " has bad type 0x%x, "), | |
0459b626 | 1818 | lino, dinode_fmt(dinoc)); |
2bd0ea18 | 1819 | if (!no_modify) { |
0459b626 BN |
1820 | do_warn(_("resetting to regular file\n")); |
1821 | change_dinode_fmt(dinoc, S_IFREG); | |
2bd0ea18 | 1822 | *dirty = 1; |
0459b626 BN |
1823 | } else { |
1824 | do_warn(_("would reset to regular file\n")); | |
2bd0ea18 | 1825 | } |
2bd0ea18 | 1826 | } |
0459b626 | 1827 | if (mp->m_sb.sb_rblocks == 0 && dinoc->di_nextents != 0) { |
5d1b7f0f CH |
1828 | do_warn( |
1829 | _("bad # of extents (%u) for realtime bitmap inode %" PRIu64 "\n"), | |
0459b626 BN |
1830 | be32_to_cpu(dinoc->di_nextents), lino); |
1831 | return 1; | |
2bd0ea18 | 1832 | } |
0459b626 BN |
1833 | return 0; |
1834 | } | |
1835 | return 0; | |
1836 | } | |
2bd0ea18 | 1837 | |
0459b626 BN |
1838 | /* |
1839 | * general size/consistency checks: | |
1840 | * | |
1841 | * if the size <= size of the data fork, directories must be | |
1842 | * local inodes unlike regular files which would be extent inodes. | |
1843 | * all the other mentioned types have to have a zero size value. | |
1844 | * | |
1845 | * if the size and format don't match, get out now rather than | |
1846 | * risk trying to process a non-existent extents or btree | |
1847 | * type data fork. | |
1848 | */ | |
1849 | static int | |
1850 | process_check_inode_sizes( | |
1851 | xfs_mount_t *mp, | |
1852 | xfs_dinode_t *dino, | |
1853 | xfs_ino_t lino, | |
1854 | int type) | |
1855 | { | |
56b2de80 | 1856 | xfs_fsize_t size = be64_to_cpu(dino->di_size); |
2bd0ea18 | 1857 | |
0459b626 | 1858 | switch (type) { |
2bd0ea18 | 1859 | |
0459b626 BN |
1860 | case XR_INO_DIR: |
1861 | if (size <= XFS_DFORK_DSIZE(dino, mp) && | |
56b2de80 | 1862 | dino->di_format != XFS_DINODE_FMT_LOCAL) { |
5d1b7f0f CH |
1863 | do_warn( |
1864 | _("mismatch between format (%d) and size (%" PRId64 ") in directory ino %" PRIu64 "\n"), | |
56b2de80 | 1865 | dino->di_format, size, lino); |
0459b626 | 1866 | return 1; |
2bd0ea18 | 1867 | } |
42237e34 | 1868 | if (size > XFS_DIR2_LEAF_OFFSET) { |
5d1b7f0f CH |
1869 | do_warn( |
1870 | _("directory inode %" PRIu64 " has bad size %" PRId64 "\n"), | |
42237e34 BN |
1871 | lino, size); |
1872 | return 1; | |
1873 | } | |
0459b626 | 1874 | break; |
2bd0ea18 | 1875 | |
0459b626 BN |
1876 | case XR_INO_SYMLINK: |
1877 | if (process_symlink_extlist(mp, lino, dino)) { | |
5d1b7f0f | 1878 | do_warn(_("bad data fork in symlink %" PRIu64 "\n"), lino); |
0459b626 BN |
1879 | return 1; |
1880 | } | |
1881 | break; | |
2bd0ea18 | 1882 | |
0459b626 BN |
1883 | case XR_INO_CHRDEV: /* fall through to FIFO case ... */ |
1884 | case XR_INO_BLKDEV: /* fall through to FIFO case ... */ | |
1885 | case XR_INO_SOCK: /* fall through to FIFO case ... */ | |
1886 | case XR_INO_MOUNTPOINT: /* fall through to FIFO case ... */ | |
1887 | case XR_INO_FIFO: | |
1888 | if (process_misc_ino_types(mp, dino, lino, type)) | |
1889 | return 1; | |
1890 | break; | |
2bd0ea18 | 1891 | |
5857dce9 ES |
1892 | case XR_INO_UQUOTA: |
1893 | case XR_INO_GQUOTA: | |
1894 | case XR_INO_PQUOTA: | |
1895 | /* Quota inodes have same restrictions as above types */ | |
1896 | if (process_misc_ino_types(mp, dino, lino, type)) | |
1897 | return 1; | |
1898 | break; | |
1899 | ||
0459b626 BN |
1900 | case XR_INO_RTDATA: |
1901 | /* | |
1902 | * if we have no realtime blocks, any inode claiming | |
1903 | * to be a real-time file is bogus | |
1904 | */ | |
1905 | if (mp->m_sb.sb_rblocks == 0) { | |
5d1b7f0f CH |
1906 | do_warn( |
1907 | _("found inode %" PRIu64 " claiming to be a real-time file\n"), lino); | |
0459b626 | 1908 | return 1; |
2bd0ea18 | 1909 | } |
0459b626 | 1910 | break; |
2bd0ea18 | 1911 | |
0459b626 | 1912 | case XR_INO_RTBITMAP: |
14f8b681 | 1913 | if (size != (int64_t)mp->m_sb.sb_rbmblocks * |
0459b626 | 1914 | mp->m_sb.sb_blocksize) { |
5d1b7f0f CH |
1915 | do_warn( |
1916 | _("realtime bitmap inode %" PRIu64 " has bad size %" PRId64 " (should be %" PRIu64 ")\n"), | |
1917 | lino, size, | |
14f8b681 | 1918 | (int64_t) mp->m_sb.sb_rbmblocks * |
0459b626 BN |
1919 | mp->m_sb.sb_blocksize); |
1920 | return 1; | |
1921 | } | |
1922 | break; | |
2bd0ea18 | 1923 | |
0459b626 BN |
1924 | case XR_INO_RTSUM: |
1925 | if (size != mp->m_rsumsize) { | |
5d1b7f0f CH |
1926 | do_warn( |
1927 | _("realtime summary inode %" PRIu64 " has bad size %" PRId64 " (should be %d)\n"), | |
0459b626 BN |
1928 | lino, size, mp->m_rsumsize); |
1929 | return 1; | |
1930 | } | |
1931 | break; | |
2bd0ea18 | 1932 | |
0459b626 BN |
1933 | default: |
1934 | break; | |
1935 | } | |
1936 | return 0; | |
1937 | } | |
2bd0ea18 | 1938 | |
0459b626 BN |
1939 | /* |
1940 | * check for illegal values of forkoff | |
1941 | */ | |
1942 | static int | |
1943 | process_check_inode_forkoff( | |
1944 | xfs_mount_t *mp, | |
56b2de80 | 1945 | xfs_dinode_t *dino, |
0459b626 BN |
1946 | xfs_ino_t lino) |
1947 | { | |
56b2de80 | 1948 | if (dino->di_forkoff == 0) |
0459b626 | 1949 | return 0; |
2bd0ea18 | 1950 | |
56b2de80 | 1951 | switch (dino->di_format) { |
0459b626 | 1952 | case XFS_DINODE_FMT_DEV: |
56b2de80 | 1953 | if (dino->di_forkoff != (roundup(sizeof(xfs_dev_t), 8) >> 3)) { |
5d1b7f0f CH |
1954 | do_warn( |
1955 | _("bad attr fork offset %d in dev inode %" PRIu64 ", should be %d\n"), | |
1956 | dino->di_forkoff, lino, | |
0459b626 BN |
1957 | (int)(roundup(sizeof(xfs_dev_t), 8) >> 3)); |
1958 | return 1; | |
1959 | } | |
2bd0ea18 | 1960 | break; |
0459b626 BN |
1961 | case XFS_DINODE_FMT_LOCAL: /* fall through ... */ |
1962 | case XFS_DINODE_FMT_EXTENTS: /* fall through ... */ | |
1963 | case XFS_DINODE_FMT_BTREE: | |
49f693fa DC |
1964 | if (dino->di_forkoff >= |
1965 | (XFS_LITINO(mp, dino->di_version) >> 3)) { | |
5d1b7f0f CH |
1966 | do_warn( |
1967 | _("bad attr fork offset %d in inode %" PRIu64 ", max=%d\n"), | |
1968 | dino->di_forkoff, lino, | |
49f693fa | 1969 | XFS_LITINO(mp, dino->di_version) >> 3); |
0459b626 BN |
1970 | return 1; |
1971 | } | |
2bd0ea18 | 1972 | break; |
2bd0ea18 | 1973 | default: |
56b2de80 | 1974 | do_error(_("unexpected inode format %d\n"), dino->di_format); |
0459b626 | 1975 | break; |
2bd0ea18 | 1976 | } |
0459b626 BN |
1977 | return 0; |
1978 | } | |
2bd0ea18 | 1979 | |
0459b626 BN |
1980 | /* |
1981 | * Updates the inodes block and extent counts if they are wrong | |
1982 | */ | |
1983 | static int | |
1984 | process_inode_blocks_and_extents( | |
56b2de80 | 1985 | xfs_dinode_t *dino, |
5a35bf2c | 1986 | xfs_rfsblock_t nblocks, |
14f8b681 DW |
1987 | uint64_t nextents, |
1988 | uint64_t anextents, | |
0459b626 BN |
1989 | xfs_ino_t lino, |
1990 | int *dirty) | |
1991 | { | |
56b2de80 | 1992 | if (nblocks != be64_to_cpu(dino->di_nblocks)) { |
2bd0ea18 | 1993 | if (!no_modify) { |
5d1b7f0f CH |
1994 | do_warn( |
1995 | _("correcting nblocks for inode %" PRIu64 ", was %llu - counted %" PRIu64 "\n"), lino, | |
1996 | (unsigned long long) be64_to_cpu(dino->di_nblocks), | |
1997 | nblocks); | |
56b2de80 | 1998 | dino->di_nblocks = cpu_to_be64(nblocks); |
0459b626 | 1999 | *dirty = 1; |
2bd0ea18 | 2000 | } else { |
5d1b7f0f CH |
2001 | do_warn( |
2002 | _("bad nblocks %llu for inode %" PRIu64 ", would reset to %" PRIu64 "\n"), | |
2003 | (unsigned long long) be64_to_cpu(dino->di_nblocks), | |
2004 | lino, nblocks); | |
2bd0ea18 NS |
2005 | } |
2006 | } | |
2007 | ||
0459b626 | 2008 | if (nextents > MAXEXTNUM) { |
5d1b7f0f CH |
2009 | do_warn( |
2010 | _("too many data fork extents (%" PRIu64 ") in inode %" PRIu64 "\n"), | |
0459b626 BN |
2011 | nextents, lino); |
2012 | return 1; | |
2013 | } | |
56b2de80 | 2014 | if (nextents != be32_to_cpu(dino->di_nextents)) { |
2bd0ea18 | 2015 | if (!no_modify) { |
5d1b7f0f CH |
2016 | do_warn( |
2017 | _("correcting nextents for inode %" PRIu64 ", was %d - counted %" PRIu64 "\n"), | |
2018 | lino, | |
2019 | be32_to_cpu(dino->di_nextents), | |
2020 | nextents); | |
56b2de80 | 2021 | dino->di_nextents = cpu_to_be32(nextents); |
0459b626 | 2022 | *dirty = 1; |
2bd0ea18 | 2023 | } else { |
5d1b7f0f CH |
2024 | do_warn( |
2025 | _("bad nextents %d for inode %" PRIu64 ", would reset to %" PRIu64 "\n"), | |
2026 | be32_to_cpu(dino->di_nextents), | |
0459b626 | 2027 | lino, nextents); |
2bd0ea18 NS |
2028 | } |
2029 | } | |
2030 | ||
0459b626 | 2031 | if (anextents > MAXAEXTNUM) { |
5d1b7f0f CH |
2032 | do_warn( |
2033 | _("too many attr fork extents (%" PRIu64 ") in inode %" PRIu64 "\n"), | |
0459b626 BN |
2034 | anextents, lino); |
2035 | return 1; | |
2bd0ea18 | 2036 | } |
56b2de80 | 2037 | if (anextents != be16_to_cpu(dino->di_anextents)) { |
2bd0ea18 | 2038 | if (!no_modify) { |
5d1b7f0f CH |
2039 | do_warn( |
2040 | _("correcting anextents for inode %" PRIu64 ", was %d - counted %" PRIu64 "\n"), | |
2041 | lino, | |
56b2de80 DC |
2042 | be16_to_cpu(dino->di_anextents), anextents); |
2043 | dino->di_anextents = cpu_to_be16(anextents); | |
0459b626 BN |
2044 | *dirty = 1; |
2045 | } else { | |
5d1b7f0f CH |
2046 | do_warn( |
2047 | _("bad anextents %d for inode %" PRIu64 ", would reset to %" PRIu64 "\n"), | |
2048 | be16_to_cpu(dino->di_anextents), | |
0459b626 | 2049 | lino, anextents); |
2bd0ea18 | 2050 | } |
2bd0ea18 | 2051 | } |
e1f43b4c CH |
2052 | |
2053 | /* | |
2054 | * We are comparing different units here, but that's fine given that | |
2055 | * an extent has to have at least a block in it. | |
2056 | */ | |
2057 | if (nblocks < nextents + anextents) { | |
2058 | do_warn( | |
2059 | _("nblocks (%" PRIu64 ") smaller than nextents for inode %" PRIu64 "\n"), nblocks, lino); | |
2060 | return 1; | |
2061 | } | |
2062 | ||
0459b626 BN |
2063 | return 0; |
2064 | } | |
2bd0ea18 | 2065 | |
0459b626 BN |
2066 | /* |
2067 | * check data fork -- if it's bad, clear the inode | |
2068 | */ | |
2069 | static int | |
2070 | process_inode_data_fork( | |
2071 | xfs_mount_t *mp, | |
2072 | xfs_agnumber_t agno, | |
2073 | xfs_agino_t ino, | |
2074 | xfs_dinode_t *dino, | |
2075 | int type, | |
2076 | int *dirty, | |
5a35bf2c | 2077 | xfs_rfsblock_t *totblocks, |
14f8b681 | 2078 | uint64_t *nextents, |
0459b626 BN |
2079 | blkmap_t **dblkmap, |
2080 | int check_dups) | |
2081 | { | |
0459b626 BN |
2082 | xfs_ino_t lino = XFS_AGINO_TO_INO(mp, agno, ino); |
2083 | int err = 0; | |
5fa28531 DC |
2084 | int nex; |
2085 | ||
2086 | /* | |
2087 | * extent count on disk is only valid for positive values. The kernel | |
2088 | * uses negative values in memory. hence if we see negative numbers | |
2089 | * here, trash it! | |
2090 | */ | |
2091 | nex = be32_to_cpu(dino->di_nextents); | |
2092 | if (nex < 0) | |
2093 | *nextents = 1; | |
2094 | else | |
2095 | *nextents = nex; | |
2bd0ea18 | 2096 | |
56b2de80 | 2097 | if (*nextents > be64_to_cpu(dino->di_nblocks)) |
0459b626 | 2098 | *nextents = 1; |
2bd0ea18 | 2099 | |
5fa28531 | 2100 | |
56b2de80 | 2101 | if (dino->di_format != XFS_DINODE_FMT_LOCAL && type != XR_INO_RTDATA) |
610f3285 | 2102 | *dblkmap = blkmap_alloc(*nextents, XFS_DATA_FORK); |
0459b626 | 2103 | *nextents = 0; |
2bd0ea18 | 2104 | |
56b2de80 | 2105 | switch (dino->di_format) { |
2bd0ea18 | 2106 | case XFS_DINODE_FMT_LOCAL: |
5e656dbb BN |
2107 | err = process_lclinode(mp, agno, ino, dino, XFS_DATA_FORK); |
2108 | *totblocks = 0; | |
2bd0ea18 NS |
2109 | break; |
2110 | case XFS_DINODE_FMT_EXTENTS: | |
0459b626 BN |
2111 | err = process_exinode(mp, agno, ino, dino, type, dirty, |
2112 | totblocks, nextents, dblkmap, XFS_DATA_FORK, | |
2113 | check_dups); | |
2bd0ea18 NS |
2114 | break; |
2115 | case XFS_DINODE_FMT_BTREE: | |
0459b626 BN |
2116 | err = process_btinode(mp, agno, ino, dino, type, dirty, |
2117 | totblocks, nextents, dblkmap, XFS_DATA_FORK, | |
2118 | check_dups); | |
2bd0ea18 NS |
2119 | break; |
2120 | case XFS_DINODE_FMT_DEV: /* fall through */ | |
2bd0ea18 NS |
2121 | err = 0; |
2122 | break; | |
2123 | default: | |
5d1b7f0f | 2124 | do_error(_("unknown format %d, ino %" PRIu64 " (mode = %d)\n"), |
56b2de80 | 2125 | dino->di_format, lino, be16_to_cpu(dino->di_mode)); |
2bd0ea18 NS |
2126 | } |
2127 | ||
2128 | if (err) { | |
5d1b7f0f | 2129 | do_warn(_("bad data fork in inode %" PRIu64 "\n"), lino); |
2bd0ea18 NS |
2130 | if (!no_modify) { |
2131 | *dirty += clear_dinode(mp, dino, lino); | |
2132 | ASSERT(*dirty > 0); | |
2133 | } | |
0459b626 | 2134 | return 1; |
2bd0ea18 NS |
2135 | } |
2136 | ||
2137 | if (check_dups) { | |
2138 | /* | |
2139 | * if check_dups was non-zero, we have to | |
2140 | * re-process data fork to set bitmap since the | |
2141 | * bitmap wasn't set the first time through | |
2142 | */ | |
56b2de80 | 2143 | switch (dino->di_format) { |
2bd0ea18 | 2144 | case XFS_DINODE_FMT_LOCAL: |
f8149110 | 2145 | err = process_lclinode(mp, agno, ino, dino, |
5e656dbb | 2146 | XFS_DATA_FORK); |
2bd0ea18 NS |
2147 | break; |
2148 | case XFS_DINODE_FMT_EXTENTS: | |
2149 | err = process_exinode(mp, agno, ino, dino, type, | |
0459b626 | 2150 | dirty, totblocks, nextents, dblkmap, |
2bd0ea18 NS |
2151 | XFS_DATA_FORK, 0); |
2152 | break; | |
2153 | case XFS_DINODE_FMT_BTREE: | |
2154 | err = process_btinode(mp, agno, ino, dino, type, | |
0459b626 | 2155 | dirty, totblocks, nextents, dblkmap, |
2bd0ea18 NS |
2156 | XFS_DATA_FORK, 0); |
2157 | break; | |
2158 | case XFS_DINODE_FMT_DEV: /* fall through */ | |
2bd0ea18 NS |
2159 | err = 0; |
2160 | break; | |
2161 | default: | |
5d1b7f0f | 2162 | do_error(_("unknown format %d, ino %" PRIu64 " (mode = %d)\n"), |
56b2de80 DC |
2163 | dino->di_format, lino, |
2164 | be16_to_cpu(dino->di_mode)); | |
2bd0ea18 NS |
2165 | } |
2166 | ||
0459b626 BN |
2167 | if (no_modify && err != 0) |
2168 | return 1; | |
2bd0ea18 NS |
2169 | |
2170 | ASSERT(err == 0); | |
2171 | } | |
0459b626 BN |
2172 | return 0; |
2173 | } | |
2bd0ea18 | 2174 | |
0459b626 BN |
2175 | /* |
2176 | * Process extended attribute fork in inode | |
2177 | */ | |
2178 | static int | |
2179 | process_inode_attr_fork( | |
2180 | xfs_mount_t *mp, | |
2181 | xfs_agnumber_t agno, | |
2182 | xfs_agino_t ino, | |
2183 | xfs_dinode_t *dino, | |
2184 | int type, | |
2185 | int *dirty, | |
5a35bf2c | 2186 | xfs_rfsblock_t *atotblocks, |
14f8b681 | 2187 | uint64_t *anextents, |
0459b626 BN |
2188 | int check_dups, |
2189 | int extra_attr_check, | |
2190 | int *retval) | |
2191 | { | |
0459b626 BN |
2192 | xfs_ino_t lino = XFS_AGINO_TO_INO(mp, agno, ino); |
2193 | blkmap_t *ablkmap = NULL; | |
2194 | int repair = 0; | |
2195 | int err; | |
2196 | ||
2197 | if (!XFS_DFORK_Q(dino)) { | |
2198 | *anextents = 0; | |
56b2de80 | 2199 | if (dino->di_aformat != XFS_DINODE_FMT_EXTENTS) { |
5d1b7f0f | 2200 | do_warn(_("bad attribute format %d in inode %" PRIu64 ", "), |
56b2de80 | 2201 | dino->di_aformat, lino); |
0459b626 BN |
2202 | if (!no_modify) { |
2203 | do_warn(_("resetting value\n")); | |
56b2de80 | 2204 | dino->di_aformat = XFS_DINODE_FMT_EXTENTS; |
0459b626 BN |
2205 | *dirty = 1; |
2206 | } else | |
2207 | do_warn(_("would reset value\n")); | |
2208 | } | |
2209 | return 0; | |
2210 | } | |
2bd0ea18 | 2211 | |
56b2de80 DC |
2212 | *anextents = be16_to_cpu(dino->di_anextents); |
2213 | if (*anextents > be64_to_cpu(dino->di_nblocks)) | |
0459b626 BN |
2214 | *anextents = 1; |
2215 | ||
56b2de80 | 2216 | switch (dino->di_aformat) { |
0459b626 BN |
2217 | case XFS_DINODE_FMT_LOCAL: |
2218 | *anextents = 0; | |
5e656dbb BN |
2219 | *atotblocks = 0; |
2220 | err = process_lclinode(mp, agno, ino, dino, XFS_ATTR_FORK); | |
0459b626 BN |
2221 | break; |
2222 | case XFS_DINODE_FMT_EXTENTS: | |
610f3285 | 2223 | ablkmap = blkmap_alloc(*anextents, XFS_ATTR_FORK); |
0459b626 BN |
2224 | *anextents = 0; |
2225 | err = process_exinode(mp, agno, ino, dino, type, dirty, | |
2226 | atotblocks, anextents, &ablkmap, | |
2bd0ea18 | 2227 | XFS_ATTR_FORK, check_dups); |
0459b626 BN |
2228 | break; |
2229 | case XFS_DINODE_FMT_BTREE: | |
610f3285 | 2230 | ablkmap = blkmap_alloc(*anextents, XFS_ATTR_FORK); |
0459b626 BN |
2231 | *anextents = 0; |
2232 | err = process_btinode(mp, agno, ino, dino, type, dirty, | |
2233 | atotblocks, anextents, &ablkmap, | |
2bd0ea18 | 2234 | XFS_ATTR_FORK, check_dups); |
0459b626 BN |
2235 | break; |
2236 | default: | |
5d1b7f0f | 2237 | do_warn(_("illegal attribute format %d, ino %" PRIu64 "\n"), |
56b2de80 | 2238 | dino->di_aformat, lino); |
0459b626 BN |
2239 | err = 1; |
2240 | break; | |
2241 | } | |
2bd0ea18 | 2242 | |
0459b626 BN |
2243 | if (err) { |
2244 | /* | |
2245 | * clear the attribute fork if necessary. we can't | |
2246 | * clear the inode because we've already put the | |
2247 | * inode space info into the blockmap. | |
2248 | * | |
2249 | * XXX - put the inode onto the "move it" list and | |
2250 | * log the the attribute scrubbing | |
2251 | */ | |
5d1b7f0f | 2252 | do_warn(_("bad attribute fork in inode %" PRIu64), lino); |
2bd0ea18 | 2253 | |
0459b626 | 2254 | if (!no_modify) { |
28a4f9c0 ES |
2255 | do_warn(_(", clearing attr fork\n")); |
2256 | *dirty += clear_dinode_attr(mp, dino, lino); | |
2257 | dino->di_aformat = XFS_DINODE_FMT_LOCAL; | |
0459b626 BN |
2258 | ASSERT(*dirty > 0); |
2259 | } else { | |
2260 | do_warn(_(", would clear attr fork\n")); | |
2bd0ea18 NS |
2261 | } |
2262 | ||
0459b626 BN |
2263 | *atotblocks = 0; |
2264 | *anextents = 0; | |
2bd0ea18 | 2265 | blkmap_free(ablkmap); |
0459b626 | 2266 | *retval = 1; |
2bd0ea18 | 2267 | |
28a4f9c0 | 2268 | return 0; |
2bd0ea18 NS |
2269 | } |
2270 | ||
0459b626 | 2271 | if (check_dups) { |
56b2de80 | 2272 | switch (dino->di_aformat) { |
0459b626 | 2273 | case XFS_DINODE_FMT_LOCAL: |
f8149110 | 2274 | err = process_lclinode(mp, agno, ino, dino, |
5e656dbb | 2275 | XFS_ATTR_FORK); |
0459b626 BN |
2276 | break; |
2277 | case XFS_DINODE_FMT_EXTENTS: | |
2278 | err = process_exinode(mp, agno, ino, dino, | |
2279 | type, dirty, atotblocks, anextents, | |
2280 | &ablkmap, XFS_ATTR_FORK, 0); | |
2281 | break; | |
2282 | case XFS_DINODE_FMT_BTREE: | |
2283 | err = process_btinode(mp, agno, ino, dino, | |
2284 | type, dirty, atotblocks, anextents, | |
2285 | &ablkmap, XFS_ATTR_FORK, 0); | |
2286 | break; | |
2287 | default: | |
5d1b7f0f | 2288 | do_error(_("illegal attribute fmt %d, ino %" PRIu64 "\n"), |
56b2de80 | 2289 | dino->di_aformat, lino); |
2bd0ea18 | 2290 | } |
2bd0ea18 | 2291 | |
0459b626 BN |
2292 | if (no_modify && err != 0) { |
2293 | blkmap_free(ablkmap); | |
2294 | return 1; | |
2bd0ea18 | 2295 | } |
2bd0ea18 | 2296 | |
0459b626 | 2297 | ASSERT(err == 0); |
2bd0ea18 NS |
2298 | } |
2299 | ||
0459b626 BN |
2300 | /* |
2301 | * do attribute semantic-based consistency checks now | |
2302 | */ | |
2bd0ea18 | 2303 | |
0459b626 BN |
2304 | /* get this only in phase 3, not in both phase 3 and 4 */ |
2305 | if (extra_attr_check && | |
2306 | process_attributes(mp, lino, dino, ablkmap, &repair)) { | |
5d1b7f0f CH |
2307 | do_warn( |
2308 | _("problem with attribute contents in inode %" PRIu64 "\n"), | |
0459b626 BN |
2309 | lino); |
2310 | if (!repair) { | |
2311 | /* clear attributes if not done already */ | |
2312 | if (!no_modify) { | |
2313 | *dirty += clear_dinode_attr(mp, dino, lino); | |
56b2de80 | 2314 | dino->di_aformat = XFS_DINODE_FMT_LOCAL; |
0459b626 BN |
2315 | } else { |
2316 | do_warn(_("would clear attr fork\n")); | |
2317 | } | |
2318 | *atotblocks = 0; | |
2319 | *anextents = 0; | |
2bd0ea18 | 2320 | } |
0459b626 BN |
2321 | else { |
2322 | *dirty = 1; /* it's been repaired */ | |
2bd0ea18 NS |
2323 | } |
2324 | } | |
0459b626 BN |
2325 | blkmap_free(ablkmap); |
2326 | return 0; | |
2327 | } | |
2bd0ea18 | 2328 | |
0459b626 BN |
2329 | /* |
2330 | * check nlinks feature, if it's a version 1 inode, | |
2331 | * just leave nlinks alone. even if it's set wrong, | |
2332 | * it'll be reset when read in. | |
2333 | */ | |
2bd0ea18 | 2334 | |
0459b626 BN |
2335 | static int |
2336 | process_check_inode_nlink_version( | |
56b2de80 | 2337 | xfs_dinode_t *dino, |
0459b626 BN |
2338 | xfs_ino_t lino) |
2339 | { | |
2340 | int dirty = 0; | |
2bd0ea18 | 2341 | |
2bd0ea18 | 2342 | /* |
5f6f3660 | 2343 | * if it's a version 2 inode, it should have a zero |
2bd0ea18 NS |
2344 | * onlink field, so clear it. |
2345 | */ | |
5f6f3660 | 2346 | if (dino->di_version > 1 && dino->di_onlink != 0) { |
0459b626 | 2347 | if (!no_modify) { |
5d1b7f0f CH |
2348 | do_warn( |
2349 | _("clearing obsolete nlink field in version 2 inode %" PRIu64 ", was %d, now 0\n"), | |
56b2de80 DC |
2350 | lino, be16_to_cpu(dino->di_onlink)); |
2351 | dino->di_onlink = 0; | |
0459b626 | 2352 | dirty = 1; |
2bd0ea18 | 2353 | } else { |
5d1b7f0f CH |
2354 | do_warn( |
2355 | _("would clear obsolete nlink field in version 2 inode %" PRIu64 ", currently %d\n"), | |
56b2de80 | 2356 | lino, be16_to_cpu(dino->di_onlink)); |
0459b626 BN |
2357 | } |
2358 | } | |
2359 | return dirty; | |
2360 | } | |
2361 | ||
8fec4f7c DW |
2362 | /* Check nanoseconds of a timestamp don't exceed 1 second. */ |
2363 | static void | |
2364 | check_nsec( | |
2365 | const char *name, | |
2366 | xfs_ino_t lino, | |
2367 | struct xfs_timestamp *t, | |
2368 | int *dirty) | |
2369 | { | |
2370 | if (be32_to_cpu(t->t_nsec) < 1000000000) | |
2371 | return; | |
2372 | ||
2373 | do_warn( | |
2374 | _("Bad %s nsec %u on inode %" PRIu64 ", "), name, be32_to_cpu(t->t_nsec), lino); | |
2375 | if (no_modify) { | |
2376 | do_warn(_("would reset to zero\n")); | |
2377 | } else { | |
2378 | do_warn(_("resetting to zero\n")); | |
2379 | t->t_nsec = 0; | |
2380 | *dirty = 1; | |
2381 | } | |
2382 | } | |
2383 | ||
0459b626 BN |
2384 | /* |
2385 | * returns 0 if the inode is ok, 1 if the inode is corrupt | |
2386 | * check_dups can be set to 1 *only* when called by the | |
2387 | * first pass of the duplicate block checking of phase 4. | |
2388 | * *dirty is set > 0 if the dinode has been altered and | |
2389 | * needs to be written out. | |
2390 | * | |
2391 | * for detailed, info, look at process_dinode() comments. | |
2392 | */ | |
8b8a6b02 | 2393 | static int |
0459b626 BN |
2394 | process_dinode_int(xfs_mount_t *mp, |
2395 | xfs_dinode_t *dino, | |
2396 | xfs_agnumber_t agno, | |
2397 | xfs_agino_t ino, | |
2398 | int was_free, /* 1 if inode is currently free */ | |
2399 | int *dirty, /* out == > 0 if inode is now dirty */ | |
2400 | int *used, /* out == 1 if inode is in use */ | |
2401 | int verify_mode, /* 1 == verify but don't modify inode */ | |
2402 | int uncertain, /* 1 == inode is uncertain */ | |
2403 | int ino_discovery, /* 1 == check dirs for unknown inodes */ | |
2404 | int check_dups, /* 1 == check if inode claims | |
2405 | * duplicate blocks */ | |
2406 | int extra_attr_check, /* 1 == do attribute format and value checks */ | |
2407 | int *isa_dir, /* out == 1 if inode is a directory */ | |
2408 | xfs_ino_t *parent) /* out -- parent if ino is a dir */ | |
2409 | { | |
5a35bf2c DC |
2410 | xfs_rfsblock_t totblocks = 0; |
2411 | xfs_rfsblock_t atotblocks = 0; | |
0459b626 BN |
2412 | int di_mode; |
2413 | int type; | |
2414 | int retval = 0; | |
14f8b681 DW |
2415 | uint64_t nextents; |
2416 | uint64_t anextents; | |
0459b626 BN |
2417 | xfs_ino_t lino; |
2418 | const int is_free = 0; | |
2419 | const int is_used = 1; | |
2420 | blkmap_t *dblkmap = NULL; | |
2421 | ||
2422 | *dirty = *isa_dir = 0; | |
2423 | *used = is_used; | |
2424 | type = XR_INO_UNKNOWN; | |
2425 | ||
0459b626 | 2426 | lino = XFS_AGINO_TO_INO(mp, agno, ino); |
56b2de80 | 2427 | di_mode = be16_to_cpu(dino->di_mode); |
0459b626 BN |
2428 | |
2429 | /* | |
2430 | * if in verify mode, don't modify the inode. | |
2431 | * | |
2432 | * if correcting, reset stuff that has known values | |
2433 | * | |
2434 | * if in uncertain mode, be silent on errors since we're | |
2435 | * trying to find out if these are inodes as opposed | |
2436 | * to assuming that they are. Just return the appropriate | |
2437 | * return code in that case. | |
2438 | * | |
2439 | * If uncertain is set, verify_mode MUST be set. | |
2440 | */ | |
2441 | ASSERT(uncertain == 0 || verify_mode != 0); | |
2442 | ||
7d7c5553 ES |
2443 | /* |
2444 | * This is the only valid point to check the CRC; after this we may have | |
2445 | * made changes which invalidate it, and the CRC is only updated again | |
2446 | * when it gets written out. | |
2447 | * | |
2448 | * Of course if we make any modifications after this, the inode gets | |
2449 | * rewritten, and the CRC is updated automagically. | |
2450 | */ | |
2451 | if (xfs_sb_version_hascrc(&mp->m_sb) && | |
e2f60652 | 2452 | !libxfs_verify_cksum((char *)dino, mp->m_sb.sb_inodesize, |
7d7c5553 ES |
2453 | XFS_DINODE_CRC_OFF)) { |
2454 | retval = 1; | |
2455 | if (!uncertain) | |
2456 | do_warn(_("bad CRC for inode %" PRIu64 "%c"), | |
2457 | lino, verify_mode ? '\n' : ','); | |
2458 | if (!verify_mode) { | |
2459 | if (!no_modify) { | |
2460 | do_warn(_(" will rewrite\n")); | |
2461 | *dirty = 1; | |
2462 | } else | |
2463 | do_warn(_(" would rewrite\n")); | |
2464 | } | |
2465 | } | |
2466 | ||
56b2de80 | 2467 | if (be16_to_cpu(dino->di_magic) != XFS_DINODE_MAGIC) { |
0459b626 BN |
2468 | retval = 1; |
2469 | if (!uncertain) | |
5d1b7f0f | 2470 | do_warn(_("bad magic number 0x%x on inode %" PRIu64 "%c"), |
56b2de80 | 2471 | be16_to_cpu(dino->di_magic), lino, |
0459b626 BN |
2472 | verify_mode ? '\n' : ','); |
2473 | if (!verify_mode) { | |
2474 | if (!no_modify) { | |
2475 | do_warn(_(" resetting magic number\n")); | |
56b2de80 | 2476 | dino->di_magic = cpu_to_be16(XFS_DINODE_MAGIC); |
0459b626 BN |
2477 | *dirty = 1; |
2478 | } else | |
2479 | do_warn(_(" would reset magic number\n")); | |
2480 | } | |
2481 | } | |
2482 | ||
e2f60652 | 2483 | if (!libxfs_dinode_good_version(mp, dino->di_version)) { |
0459b626 BN |
2484 | retval = 1; |
2485 | if (!uncertain) | |
5d1b7f0f | 2486 | do_warn(_("bad version number 0x%x on inode %" PRIu64 "%c"), |
56b2de80 | 2487 | (__s8)dino->di_version, lino, |
0459b626 BN |
2488 | verify_mode ? '\n' : ','); |
2489 | if (!verify_mode) { | |
2490 | if (!no_modify) { | |
2491 | do_warn(_(" resetting version number\n")); | |
e0607266 | 2492 | dino->di_version = |
5f6f3660 | 2493 | xfs_sb_version_hascrc(&mp->m_sb) ? 3 : 2; |
0459b626 BN |
2494 | *dirty = 1; |
2495 | } else | |
2496 | do_warn(_(" would reset version number\n")); | |
2497 | } | |
2498 | } | |
2499 | ||
e0607266 DC |
2500 | /* |
2501 | * We don't bother checking the CRC here - we cannot guarantee that when | |
2502 | * we are called here that the inode has not already been modified in | |
2503 | * memory and hence invalidated the CRC. | |
2504 | */ | |
2505 | if (xfs_sb_version_hascrc(&mp->m_sb)) { | |
2506 | if (be64_to_cpu(dino->di_ino) != lino) { | |
2507 | if (!uncertain) | |
2508 | do_warn( | |
2509 | _("inode identifier %llu mismatch on inode %" PRIu64 "\n"), | |
51073f86 DW |
2510 | (unsigned long long)be64_to_cpu(dino->di_ino), |
2511 | lino); | |
e0607266 DC |
2512 | if (verify_mode) |
2513 | return 1; | |
2514 | goto clear_bad_out; | |
2515 | } | |
9c4e12fb ES |
2516 | if (platform_uuid_compare(&dino->di_uuid, |
2517 | &mp->m_sb.sb_meta_uuid)) { | |
e0607266 DC |
2518 | if (!uncertain) |
2519 | do_warn( | |
2520 | _("UUID mismatch on inode %" PRIu64 "\n"), lino); | |
2521 | if (verify_mode) | |
2522 | return 1; | |
2523 | goto clear_bad_out; | |
2524 | } | |
2525 | } | |
2526 | ||
0459b626 BN |
2527 | /* |
2528 | * blow out of here if the inode size is < 0 | |
2529 | */ | |
56b2de80 | 2530 | if ((xfs_fsize_t)be64_to_cpu(dino->di_size) < 0) { |
0459b626 | 2531 | if (!uncertain) |
5d1b7f0f CH |
2532 | do_warn( |
2533 | _("bad (negative) size %" PRId64 " on inode %" PRIu64 "\n"), | |
14f8b681 | 2534 | (int64_t)be64_to_cpu(dino->di_size), |
5d1b7f0f | 2535 | lino); |
0459b626 BN |
2536 | if (verify_mode) |
2537 | return 1; | |
2538 | goto clear_bad_out; | |
2539 | } | |
2540 | ||
2541 | /* | |
2542 | * if not in verify mode, check to sii if the inode and imap | |
2543 | * agree that the inode is free | |
2544 | */ | |
2545 | if (!verify_mode && di_mode == 0) { | |
2546 | /* | |
2547 | * was_free value is not meaningful if we're in verify mode | |
2548 | */ | |
2549 | if (was_free) { | |
2550 | /* | |
2551 | * easy case, inode free -- inode and map agree, clear | |
2552 | * it just in case to ensure that format, etc. are | |
2553 | * set correctly | |
2554 | */ | |
2555 | if (!no_modify) | |
2556 | *dirty += clear_dinode(mp, dino, lino); | |
2557 | *used = is_free; | |
2558 | return 0; | |
2559 | } | |
2560 | /* | |
2561 | * the inode looks free but the map says it's in use. | |
2562 | * clear the inode just to be safe and mark the inode | |
2563 | * free. | |
2564 | */ | |
5d1b7f0f CH |
2565 | do_warn( |
2566 | _("imap claims a free inode %" PRIu64 " is in use, "), lino); | |
0459b626 BN |
2567 | if (!no_modify) { |
2568 | do_warn(_("correcting imap and clearing inode\n")); | |
2569 | *dirty += clear_dinode(mp, dino, lino); | |
2570 | retval = 1; | |
2571 | } else | |
2572 | do_warn(_("would correct imap and clear inode\n")); | |
2573 | *used = is_free; | |
2574 | return retval; | |
2575 | } | |
2576 | ||
2577 | /* | |
2578 | * because of the lack of any write ordering guarantee, it's | |
2579 | * possible that the core got updated but the forks didn't. | |
2580 | * so rather than be ambitious (and probably incorrect), | |
2581 | * if there's an inconsistency, we get conservative and | |
2582 | * just pitch the file. blow off checking formats of | |
2583 | * free inodes since technically any format is legal | |
2584 | * as we reset the inode when we re-use it. | |
2585 | */ | |
56b2de80 | 2586 | if (di_mode != 0 && check_dinode_mode_format(dino) != 0) { |
0459b626 | 2587 | if (!uncertain) |
5d1b7f0f CH |
2588 | do_warn( |
2589 | _("bad inode format in inode %" PRIu64 "\n"), lino); | |
0459b626 BN |
2590 | if (verify_mode) |
2591 | return 1; | |
2592 | goto clear_bad_out; | |
2593 | } | |
2594 | ||
bd5683fe DC |
2595 | /* |
2596 | * check that we only have valid flags set, and those that are set make | |
2597 | * sense. | |
2598 | */ | |
56b2de80 DC |
2599 | if (dino->di_flags) { |
2600 | uint16_t flags = be16_to_cpu(dino->di_flags); | |
bd5683fe DC |
2601 | |
2602 | if (flags & ~XFS_DIFLAG_ANY) { | |
c98f31a5 CH |
2603 | if (!uncertain) { |
2604 | do_warn( | |
2605 | _("Bad flags set in inode %" PRIu64 "\n"), | |
2606 | lino); | |
2607 | } | |
5cd0710a | 2608 | flags &= XFS_DIFLAG_ANY; |
bd5683fe DC |
2609 | } |
2610 | ||
2611 | if (flags & (XFS_DIFLAG_REALTIME | XFS_DIFLAG_RTINHERIT)) { | |
2612 | /* need an rt-dev! */ | |
2613 | if (!rt_name) { | |
c98f31a5 CH |
2614 | if (!uncertain) { |
2615 | do_warn( | |
2616 | _("inode %" PRIu64 " has RT flag set but there is no RT device\n"), | |
2617 | lino); | |
2618 | } | |
bd5683fe DC |
2619 | flags &= ~(XFS_DIFLAG_REALTIME | |
2620 | XFS_DIFLAG_RTINHERIT); | |
2621 | } | |
2622 | } | |
fb380cb7 | 2623 | if (flags & XFS_DIFLAG_NEWRTBM) { |
bd5683fe DC |
2624 | /* must be a rt bitmap inode */ |
2625 | if (lino != mp->m_sb.sb_rbmino) { | |
c98f31a5 CH |
2626 | if (!uncertain) { |
2627 | do_warn( | |
2628 | _("inode %" PRIu64 " not rt bitmap\n"), | |
2629 | lino); | |
2630 | } | |
fb380cb7 | 2631 | flags &= ~XFS_DIFLAG_NEWRTBM; |
bd5683fe DC |
2632 | } |
2633 | } | |
2634 | if (flags & (XFS_DIFLAG_RTINHERIT | | |
2635 | XFS_DIFLAG_EXTSZINHERIT | | |
2636 | XFS_DIFLAG_PROJINHERIT | | |
2637 | XFS_DIFLAG_NOSYMLINKS)) { | |
2638 | /* must be a directory */ | |
2639 | if (di_mode && !S_ISDIR(di_mode)) { | |
c98f31a5 CH |
2640 | if (!uncertain) { |
2641 | do_warn( | |
2642 | _("directory flags set on non-directory inode %" PRIu64 "\n" ), | |
2643 | lino); | |
2644 | } | |
bd5683fe DC |
2645 | flags &= ~(XFS_DIFLAG_RTINHERIT | |
2646 | XFS_DIFLAG_EXTSZINHERIT | | |
2647 | XFS_DIFLAG_PROJINHERIT | | |
2648 | XFS_DIFLAG_NOSYMLINKS); | |
2649 | } | |
2650 | } | |
83f4b5ac | 2651 | if (flags & (XFS_DIFLAG_REALTIME | FS_XFLAG_EXTSIZE)) { |
bd5683fe DC |
2652 | /* must be a file */ |
2653 | if (di_mode && !S_ISREG(di_mode)) { | |
c98f31a5 CH |
2654 | if (!uncertain) { |
2655 | do_warn( | |
2656 | _("file flags set on non-file inode %" PRIu64 "\n"), | |
2657 | lino); | |
2658 | } | |
bd5683fe | 2659 | flags &= ~(XFS_DIFLAG_REALTIME | |
83f4b5ac | 2660 | FS_XFLAG_EXTSIZE); |
bd5683fe DC |
2661 | } |
2662 | } | |
56b2de80 | 2663 | if (!verify_mode && flags != be16_to_cpu(dino->di_flags)) { |
bd5683fe | 2664 | if (!no_modify) { |
5cd0710a | 2665 | do_warn(_("fixing bad flags.\n")); |
56b2de80 | 2666 | dino->di_flags = cpu_to_be16(flags); |
bd5683fe DC |
2667 | *dirty = 1; |
2668 | } else | |
5cd0710a | 2669 | do_warn(_("would fix bad flags.\n")); |
bd5683fe DC |
2670 | } |
2671 | } | |
2672 | ||
a406779b DW |
2673 | /* |
2674 | * check that we only have valid flags2 set, and those that are set make | |
2675 | * sense. | |
2676 | */ | |
2677 | if (dino->di_version >= 3) { | |
2678 | uint16_t flags = be16_to_cpu(dino->di_flags); | |
2679 | uint64_t flags2 = be64_to_cpu(dino->di_flags2); | |
2680 | ||
2681 | if (flags2 & ~XFS_DIFLAG2_ANY) { | |
2682 | if (!uncertain) { | |
2683 | do_warn( | |
2684 | _("Bad flags2 set in inode %" PRIu64 "\n"), | |
2685 | lino); | |
2686 | } | |
2687 | flags2 &= XFS_DIFLAG2_ANY; | |
2688 | } | |
2689 | ||
c1604fa4 DW |
2690 | if (flags2 & XFS_DIFLAG2_DAX) { |
2691 | /* must be a file or dir */ | |
2692 | if (di_mode && !(S_ISREG(di_mode) || S_ISDIR(di_mode))) { | |
2693 | if (!uncertain) { | |
2694 | do_warn( | |
2695 | _("DAX flag set on special inode %" PRIu64 "\n"), | |
2696 | lino); | |
2697 | } | |
2698 | flags2 &= ~XFS_DIFLAG2_DAX; | |
2699 | } | |
2700 | } | |
2701 | ||
a406779b DW |
2702 | if ((flags2 & XFS_DIFLAG2_REFLINK) && |
2703 | !xfs_sb_version_hasreflink(&mp->m_sb)) { | |
2704 | if (!uncertain) { | |
2705 | do_warn( | |
2706 | _("inode %" PRIu64 " is marked reflinked but file system does not support reflink\n"), | |
2707 | lino); | |
2708 | } | |
2709 | goto clear_bad_out; | |
2710 | } | |
2711 | ||
2712 | if (flags2 & XFS_DIFLAG2_REFLINK) { | |
2713 | /* must be a file */ | |
2714 | if (di_mode && !S_ISREG(di_mode)) { | |
2715 | if (!uncertain) { | |
2716 | do_warn( | |
2717 | _("reflink flag set on non-file inode %" PRIu64 "\n"), | |
2718 | lino); | |
2719 | } | |
2720 | goto clear_bad_out; | |
2721 | } | |
2722 | } | |
2723 | ||
2724 | if ((flags2 & XFS_DIFLAG2_REFLINK) && | |
2725 | (flags & (XFS_DIFLAG_REALTIME | XFS_DIFLAG_RTINHERIT))) { | |
2726 | if (!uncertain) { | |
2727 | do_warn( | |
2728 | _("Cannot have a reflinked realtime inode %" PRIu64 "\n"), | |
2729 | lino); | |
2730 | } | |
2731 | goto clear_bad_out; | |
2732 | } | |
2733 | ||
42627ba6 DW |
2734 | if ((flags2 & XFS_DIFLAG2_COWEXTSIZE) && |
2735 | !xfs_sb_version_hasreflink(&mp->m_sb)) { | |
2736 | if (!uncertain) { | |
2737 | do_warn( | |
2738 | _("inode %" PRIu64 " has CoW extent size hint but file system does not support reflink\n"), | |
2739 | lino); | |
2740 | } | |
2741 | flags2 &= ~XFS_DIFLAG2_COWEXTSIZE; | |
2742 | } | |
2743 | ||
2744 | if (flags2 & XFS_DIFLAG2_COWEXTSIZE) { | |
2745 | /* must be a directory or file */ | |
2746 | if (di_mode && !S_ISDIR(di_mode) && !S_ISREG(di_mode)) { | |
2747 | if (!uncertain) { | |
2748 | do_warn( | |
2749 | _("CoW extent size flag set on non-file, non-directory inode %" PRIu64 "\n" ), | |
2750 | lino); | |
2751 | } | |
2752 | flags2 &= ~XFS_DIFLAG2_COWEXTSIZE; | |
2753 | } | |
2754 | } | |
2755 | ||
2756 | if ((flags2 & XFS_DIFLAG2_COWEXTSIZE) && | |
2757 | (flags & (XFS_DIFLAG_REALTIME | XFS_DIFLAG_RTINHERIT))) { | |
2758 | if (!uncertain) { | |
2759 | do_warn( | |
2760 | _("Cannot have CoW extent size hint on a realtime inode %" PRIu64 "\n"), | |
2761 | lino); | |
2762 | } | |
2763 | flags2 &= ~XFS_DIFLAG2_COWEXTSIZE; | |
2764 | } | |
2765 | ||
a406779b DW |
2766 | if (!verify_mode && flags2 != be64_to_cpu(dino->di_flags2)) { |
2767 | if (!no_modify) { | |
2768 | do_warn(_("fixing bad flags2.\n")); | |
2769 | dino->di_flags2 = cpu_to_be64(flags2); | |
2770 | *dirty = 1; | |
2771 | } else | |
2772 | do_warn(_("would fix bad flags2.\n")); | |
2773 | } | |
2774 | } | |
2775 | ||
0459b626 BN |
2776 | if (verify_mode) |
2777 | return retval; | |
2778 | ||
2779 | /* | |
2780 | * clear the next unlinked field if necessary on a good | |
2781 | * inode only during phase 4 -- when checking for inodes | |
2782 | * referencing duplicate blocks. then it's safe because | |
2783 | * we've done the inode discovery and have found all the inodes | |
2784 | * we're going to find. check_dups is set to 1 only during | |
2785 | * phase 4. Ugly. | |
2786 | */ | |
2787 | if (check_dups && !no_modify) | |
2788 | *dirty += clear_dinode_unlinked(mp, dino); | |
2789 | ||
2790 | /* set type and map type info */ | |
2791 | ||
2792 | switch (di_mode & S_IFMT) { | |
2793 | case S_IFDIR: | |
2794 | type = XR_INO_DIR; | |
2795 | *isa_dir = 1; | |
2796 | break; | |
2797 | case S_IFREG: | |
56b2de80 | 2798 | if (be16_to_cpu(dino->di_flags) & XFS_DIFLAG_REALTIME) |
0459b626 BN |
2799 | type = XR_INO_RTDATA; |
2800 | else if (lino == mp->m_sb.sb_rbmino) | |
2801 | type = XR_INO_RTBITMAP; | |
2802 | else if (lino == mp->m_sb.sb_rsumino) | |
2803 | type = XR_INO_RTSUM; | |
5857dce9 ES |
2804 | else if (lino == mp->m_sb.sb_uquotino) |
2805 | type = XR_INO_UQUOTA; | |
2806 | else if (lino == mp->m_sb.sb_gquotino) | |
2807 | type = XR_INO_GQUOTA; | |
2808 | else if (lino == mp->m_sb.sb_pquotino) | |
2809 | type = XR_INO_PQUOTA; | |
0459b626 BN |
2810 | else |
2811 | type = XR_INO_DATA; | |
2812 | break; | |
2813 | case S_IFLNK: | |
2814 | type = XR_INO_SYMLINK; | |
2815 | break; | |
2816 | case S_IFCHR: | |
2817 | type = XR_INO_CHRDEV; | |
2818 | break; | |
2819 | case S_IFBLK: | |
2820 | type = XR_INO_BLKDEV; | |
2821 | break; | |
2822 | case S_IFSOCK: | |
2823 | type = XR_INO_SOCK; | |
2824 | break; | |
2825 | case S_IFIFO: | |
2826 | type = XR_INO_FIFO; | |
2827 | break; | |
2828 | default: | |
5d1b7f0f | 2829 | do_warn(_("bad inode type %#o inode %" PRIu64 "\n"), |
0459b626 BN |
2830 | di_mode & S_IFMT, lino); |
2831 | goto clear_bad_out; | |
2832 | } | |
2833 | ||
2834 | /* | |
2835 | * type checks for superblock inodes | |
2836 | */ | |
56b2de80 | 2837 | if (process_check_sb_inodes(mp, dino, lino, &type, dirty) != 0) |
0459b626 BN |
2838 | goto clear_bad_out; |
2839 | ||
2840 | /* | |
2841 | * only regular files with REALTIME or EXTSIZE flags set can have | |
2842 | * extsize set, or directories with EXTSZINHERIT. | |
2843 | */ | |
56b2de80 | 2844 | if (be32_to_cpu(dino->di_extsize) != 0) { |
0459b626 | 2845 | if ((type == XR_INO_RTDATA) || |
56b2de80 | 2846 | (type == XR_INO_DIR && (be16_to_cpu(dino->di_flags) & |
0459b626 | 2847 | XFS_DIFLAG_EXTSZINHERIT)) || |
56b2de80 | 2848 | (type == XR_INO_DATA && (be16_to_cpu(dino->di_flags) & |
0459b626 BN |
2849 | XFS_DIFLAG_EXTSIZE))) { |
2850 | /* s'okay */ ; | |
2851 | } else { | |
5d1b7f0f CH |
2852 | do_warn( |
2853 | _("bad non-zero extent size %u for non-realtime/extsize inode %" PRIu64 ", "), | |
56b2de80 | 2854 | be32_to_cpu(dino->di_extsize), lino); |
0459b626 BN |
2855 | if (!no_modify) { |
2856 | do_warn(_("resetting to zero\n")); | |
56b2de80 | 2857 | dino->di_extsize = 0; |
0459b626 BN |
2858 | *dirty = 1; |
2859 | } else | |
2860 | do_warn(_("would reset to zero\n")); | |
2861 | } | |
2862 | } | |
2863 | ||
42627ba6 DW |
2864 | /* |
2865 | * Only (regular files and directories) with COWEXTSIZE flags | |
2866 | * set can have extsize set. | |
2867 | */ | |
2868 | if (dino->di_version >= 3 && | |
2869 | be32_to_cpu(dino->di_cowextsize) != 0) { | |
2870 | if ((type == XR_INO_DIR || type == XR_INO_DATA) && | |
2871 | (be64_to_cpu(dino->di_flags2) & | |
2872 | XFS_DIFLAG2_COWEXTSIZE)) { | |
2873 | /* s'okay */ ; | |
2874 | } else { | |
2875 | do_warn( | |
2876 | _("Cannot have non-zero CoW extent size %u on non-cowextsize inode %" PRIu64 ", "), | |
2877 | be32_to_cpu(dino->di_cowextsize), lino); | |
2878 | if (!no_modify) { | |
2879 | do_warn(_("resetting to zero\n")); | |
1c744e94 | 2880 | dino->di_flags2 &= ~cpu_to_be64(XFS_DIFLAG2_COWEXTSIZE); |
42627ba6 DW |
2881 | dino->di_cowextsize = 0; |
2882 | *dirty = 1; | |
2883 | } else | |
2884 | do_warn(_("would reset to zero\n")); | |
2885 | } | |
2886 | } | |
2887 | ||
1c744e94 DW |
2888 | /* |
2889 | * Can't have the COWEXTSIZE flag set with no hint. | |
2890 | */ | |
2891 | if (dino->di_version >= 3 && | |
2892 | be32_to_cpu(dino->di_cowextsize) == 0 && | |
2893 | (be64_to_cpu(dino->di_flags2) & XFS_DIFLAG2_COWEXTSIZE)) { | |
2894 | do_warn( | |
2895 | _("Cannot have CoW extent size of zero on cowextsize inode %" PRIu64 ", "), | |
2896 | lino); | |
2897 | if (!no_modify) { | |
2898 | do_warn(_("clearing cowextsize flag\n")); | |
2899 | dino->di_flags2 &= ~cpu_to_be64(XFS_DIFLAG2_COWEXTSIZE); | |
2900 | *dirty = 1; | |
2901 | } else { | |
2902 | do_warn(_("would clear cowextsize flag\n")); | |
2903 | } | |
2904 | } | |
2905 | ||
8fec4f7c DW |
2906 | /* nsec fields cannot be larger than 1 billion */ |
2907 | check_nsec("atime", lino, &dino->di_atime, dirty); | |
2908 | check_nsec("mtime", lino, &dino->di_mtime, dirty); | |
2909 | check_nsec("ctime", lino, &dino->di_ctime, dirty); | |
2910 | if (dino->di_version >= 3) | |
2911 | check_nsec("crtime", lino, &dino->di_crtime, dirty); | |
2912 | ||
0459b626 BN |
2913 | /* |
2914 | * general size/consistency checks: | |
2915 | */ | |
2916 | if (process_check_inode_sizes(mp, dino, lino, type) != 0) | |
2917 | goto clear_bad_out; | |
2918 | ||
2919 | /* | |
2920 | * check for illegal values of forkoff | |
2921 | */ | |
56b2de80 | 2922 | if (process_check_inode_forkoff(mp, dino, lino) != 0) |
0459b626 BN |
2923 | goto clear_bad_out; |
2924 | ||
7e174ec7 DW |
2925 | /* |
2926 | * record the state of the reflink flag | |
2927 | */ | |
2928 | if (collect_rmaps) | |
2929 | record_inode_reflink_flag(mp, dino, agno, ino, lino); | |
2930 | ||
0459b626 BN |
2931 | /* |
2932 | * check data fork -- if it's bad, clear the inode | |
2933 | */ | |
2934 | if (process_inode_data_fork(mp, agno, ino, dino, type, dirty, | |
2935 | &totblocks, &nextents, &dblkmap, check_dups) != 0) | |
2936 | goto bad_out; | |
2937 | ||
2938 | /* | |
2939 | * check attribute fork if necessary. attributes are | |
2940 | * always stored in the regular filesystem. | |
2941 | */ | |
2942 | if (process_inode_attr_fork(mp, agno, ino, dino, type, dirty, | |
2943 | &atotblocks, &anextents, check_dups, extra_attr_check, | |
2944 | &retval)) | |
2945 | goto bad_out; | |
2946 | ||
2947 | /* | |
2948 | * enforce totblocks is 0 for misc types | |
2949 | */ | |
2950 | if (process_misc_ino_types_blocks(totblocks, lino, type)) | |
2951 | goto clear_bad_out; | |
2952 | ||
2953 | /* | |
2954 | * correct space counters if required | |
2955 | */ | |
56b2de80 | 2956 | if (process_inode_blocks_and_extents(dino, totblocks + atotblocks, |
0459b626 BN |
2957 | nextents, anextents, lino, dirty) != 0) |
2958 | goto clear_bad_out; | |
2959 | ||
2960 | /* | |
2961 | * do any semantic type-based checking here | |
2962 | */ | |
2963 | switch (type) { | |
2964 | case XR_INO_DIR: | |
9a048535 | 2965 | if (process_dir2(mp, lino, dino, ino_discovery, |
0459b626 | 2966 | dirty, "", parent, dblkmap)) { |
5d1b7f0f CH |
2967 | do_warn( |
2968 | _("problem with directory contents in inode %" PRIu64 "\n"), | |
2969 | lino); | |
0459b626 BN |
2970 | goto clear_bad_out; |
2971 | } | |
2972 | break; | |
2973 | case XR_INO_SYMLINK: | |
2974 | if (process_symlink(mp, lino, dino, dblkmap) != 0) { | |
5d1b7f0f CH |
2975 | do_warn( |
2976 | _("problem with symbolic link in inode %" PRIu64 "\n"), | |
0459b626 BN |
2977 | lino); |
2978 | goto clear_bad_out; | |
2bd0ea18 | 2979 | } |
0459b626 | 2980 | break; |
5857dce9 ES |
2981 | case XR_INO_UQUOTA: |
2982 | case XR_INO_GQUOTA: | |
2983 | case XR_INO_PQUOTA: | |
2984 | if (process_quota_inode(mp, lino, dino, type, dblkmap) != 0) { | |
2985 | do_warn( | |
2986 | _("problem with quota inode %" PRIu64 "\n"), lino); | |
2987 | goto clear_bad_out; | |
2988 | } | |
2989 | break; | |
0459b626 BN |
2990 | default: |
2991 | break; | |
2bd0ea18 NS |
2992 | } |
2993 | ||
55d35a39 | 2994 | blkmap_free(dblkmap); |
0459b626 BN |
2995 | |
2996 | /* | |
2997 | * check nlinks feature, if it's a version 1 inode, | |
2998 | * just leave nlinks alone. even if it's set wrong, | |
2999 | * it'll be reset when read in. | |
3000 | */ | |
56b2de80 | 3001 | *dirty += process_check_inode_nlink_version(dino, lino); |
0459b626 BN |
3002 | |
3003 | return retval; | |
3004 | ||
3005 | clear_bad_out: | |
3006 | if (!no_modify) { | |
3007 | *dirty += clear_dinode(mp, dino, lino); | |
3008 | ASSERT(*dirty > 0); | |
3009 | } | |
3010 | bad_out: | |
3011 | *used = is_free; | |
3012 | *isa_dir = 0; | |
55d35a39 | 3013 | blkmap_free(dblkmap); |
0459b626 | 3014 | return 1; |
2bd0ea18 NS |
3015 | } |
3016 | ||
3017 | /* | |
3018 | * returns 1 if inode is used, 0 if free. | |
3019 | * performs any necessary salvaging actions. | |
3020 | * note that we leave the generation count alone | |
3021 | * because nothing we could set it to would be | |
3022 | * guaranteed to be correct so the best guess for | |
3023 | * the correct value is just to leave it alone. | |
3024 | * | |
3025 | * The trick is detecting empty files. For those, | |
3026 | * the core and the forks should all be in the "empty" | |
3027 | * or zero-length state -- a zero or possibly minimum length | |
3028 | * (in the case of dirs) extent list -- although inline directories | |
3029 | * and symlinks might be handled differently. So it should be | |
3030 | * possible to sanity check them against each other. | |
3031 | * | |
3032 | * If the forks are an empty extent list though, then forget it. | |
3033 | * The file is toast anyway since we can't recover its storage. | |
3034 | * | |
3035 | * Parameters: | |
3036 | * Ins: | |
3037 | * mp -- mount structure | |
3038 | * dino -- pointer to on-disk inode structure | |
3039 | * agno/ino -- inode numbers | |
3040 | * free -- whether the map thinks the inode is free (1 == free) | |
3041 | * ino_discovery -- whether we should examine directory | |
3042 | * contents to discover new inodes | |
3043 | * check_dups -- whether we should check to see if the | |
3044 | * inode references duplicate blocks | |
3045 | * if so, we compare the inode's claimed | |
3046 | * blocks against the contents of the | |
3047 | * duplicate extent list but we don't | |
3048 | * set the bitmap. If not, we set the | |
3049 | * bitmap and try and detect multiply | |
3050 | * claimed blocks using the bitmap. | |
3051 | * Outs: | |
3052 | * dirty -- whether we changed the inode (1 == yes) | |
2bd0ea18 NS |
3053 | * used -- 1 if the inode is used, 0 if free. In no modify |
3054 | * mode, whether the inode should be used or free | |
3055 | * isa_dir -- 1 if the inode is a directory, 0 if not. In | |
3056 | * no modify mode, if the inode would be a dir or not. | |
3057 | * | |
3058 | * Return value -- 0 if the inode is good, 1 if it is/was corrupt | |
3059 | */ | |
3060 | ||
3061 | int | |
0459b626 BN |
3062 | process_dinode( |
3063 | xfs_mount_t *mp, | |
3064 | xfs_dinode_t *dino, | |
3065 | xfs_agnumber_t agno, | |
3066 | xfs_agino_t ino, | |
3067 | int was_free, | |
3068 | int *dirty, | |
3069 | int *used, | |
3070 | int ino_discovery, | |
3071 | int check_dups, | |
3072 | int extra_attr_check, | |
3073 | int *isa_dir, | |
3074 | xfs_ino_t *parent) | |
2bd0ea18 | 3075 | { |
0459b626 BN |
3076 | const int verify_mode = 0; |
3077 | const int uncertain = 0; | |
2bd0ea18 NS |
3078 | |
3079 | #ifdef XR_INODE_TRACE | |
9ee7055c | 3080 | fprintf(stderr, _("processing inode %d/%d\n"), agno, ino); |
2bd0ea18 | 3081 | #endif |
0459b626 BN |
3082 | return process_dinode_int(mp, dino, agno, ino, was_free, dirty, used, |
3083 | verify_mode, uncertain, ino_discovery, | |
3084 | check_dups, extra_attr_check, isa_dir, parent); | |
2bd0ea18 NS |
3085 | } |
3086 | ||
3087 | /* | |
3088 | * a more cursory check, check inode core, *DON'T* check forks | |
3089 | * this basically just verifies whether the inode is an inode | |
3090 | * and whether or not it has been totally trashed. returns 0 | |
3091 | * if the inode passes the cursory sanity check, 1 otherwise. | |
3092 | */ | |
3093 | int | |
0459b626 BN |
3094 | verify_dinode( |
3095 | xfs_mount_t *mp, | |
3096 | xfs_dinode_t *dino, | |
3097 | xfs_agnumber_t agno, | |
3098 | xfs_agino_t ino) | |
2bd0ea18 | 3099 | { |
0459b626 BN |
3100 | xfs_ino_t parent; |
3101 | int used = 0; | |
3102 | int dirty = 0; | |
3103 | int isa_dir = 0; | |
3104 | const int verify_mode = 1; | |
3105 | const int check_dups = 0; | |
3106 | const int ino_discovery = 0; | |
3107 | const int uncertain = 0; | |
3108 | ||
3109 | return process_dinode_int(mp, dino, agno, ino, 0, &dirty, &used, | |
3110 | verify_mode, uncertain, ino_discovery, | |
3111 | check_dups, 0, &isa_dir, &parent); | |
2bd0ea18 NS |
3112 | } |
3113 | ||
3114 | /* | |
3115 | * like above only for inode on the uncertain list. it sets | |
3116 | * the uncertain flag which makes process_dinode_int quieter. | |
3117 | * returns 0 if the inode passes the cursory sanity check, 1 otherwise. | |
3118 | */ | |
3119 | int | |
0459b626 BN |
3120 | verify_uncertain_dinode( |
3121 | xfs_mount_t *mp, | |
3122 | xfs_dinode_t *dino, | |
3123 | xfs_agnumber_t agno, | |
3124 | xfs_agino_t ino) | |
2bd0ea18 | 3125 | { |
0459b626 BN |
3126 | xfs_ino_t parent; |
3127 | int used = 0; | |
3128 | int dirty = 0; | |
3129 | int isa_dir = 0; | |
3130 | const int verify_mode = 1; | |
3131 | const int check_dups = 0; | |
3132 | const int ino_discovery = 0; | |
3133 | const int uncertain = 1; | |
3134 | ||
3135 | return process_dinode_int(mp, dino, agno, ino, 0, &dirty, &used, | |
3136 | verify_mode, uncertain, ino_discovery, | |
3137 | check_dups, 0, &isa_dir, &parent); | |
2bd0ea18 | 3138 | } |