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Commit | Line | Data |
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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 | ||
0724d0f4 | 108 | static void |
e0607266 | 109 | clear_dinode_core(struct xfs_mount *mp, xfs_dinode_t *dinoc, xfs_ino_t ino_num) |
2bd0ea18 | 110 | { |
0724d0f4 ES |
111 | memset(dinoc, 0, sizeof(*dinoc)); |
112 | dinoc->di_magic = cpu_to_be16(XFS_DINODE_MAGIC); | |
113 | if (xfs_sb_version_hascrc(&mp->m_sb)) | |
114 | dinoc->di_version = 3; | |
115 | else | |
116 | dinoc->di_version = 2; | |
117 | dinoc->di_gen = cpu_to_be32(random()); | |
118 | dinoc->di_format = XFS_DINODE_FMT_EXTENTS; | |
119 | dinoc->di_aformat = XFS_DINODE_FMT_EXTENTS; | |
e0607266 DC |
120 | /* we are done for version 1/2 inodes */ |
121 | if (dinoc->di_version < 3) | |
0724d0f4 ES |
122 | return; |
123 | dinoc->di_ino = cpu_to_be64(ino_num); | |
124 | platform_uuid_copy(&dinoc->di_uuid, &mp->m_sb.sb_meta_uuid); | |
125 | return; | |
2bd0ea18 NS |
126 | } |
127 | ||
119383bf | 128 | static void |
2bd0ea18 NS |
129 | clear_dinode_unlinked(xfs_mount_t *mp, xfs_dinode_t *dino) |
130 | { | |
131 | ||
119383bf | 132 | dino->di_next_unlinked = cpu_to_be32(NULLAGINO); |
2bd0ea18 NS |
133 | } |
134 | ||
135 | /* | |
136 | * this clears the unlinked list too so it should not be called | |
137 | * until after the agi unlinked lists are walked in phase 3. | |
2bd0ea18 | 138 | */ |
0724d0f4 | 139 | static void |
2bd0ea18 NS |
140 | clear_dinode(xfs_mount_t *mp, xfs_dinode_t *dino, xfs_ino_t ino_num) |
141 | { | |
0724d0f4 ES |
142 | clear_dinode_core(mp, dino, ino_num); |
143 | clear_dinode_unlinked(mp, dino); | |
2bd0ea18 NS |
144 | |
145 | /* and clear the forks */ | |
0724d0f4 ES |
146 | memset(XFS_DFORK_DPTR(dino), 0, XFS_LITINO(mp, dino->di_version)); |
147 | return; | |
2bd0ea18 NS |
148 | } |
149 | ||
150 | ||
151 | /* | |
152 | * misc. inode-related utility routines | |
153 | */ | |
154 | ||
9234d416 BN |
155 | /* |
156 | * verify_ag_bno is heavily used. In the common case, it | |
1e77098c | 157 | * performs just two number of compares |
5e656dbb | 158 | * Returns 1 for bad ag/bno pair or 0 if it's valid. |
1e77098c MV |
159 | */ |
160 | static __inline int | |
161 | verify_ag_bno(xfs_sb_t *sbp, | |
162 | xfs_agnumber_t agno, | |
163 | xfs_agblock_t agbno) | |
164 | { | |
f8149110 | 165 | if (agno < (sbp->sb_agcount - 1)) |
5e656dbb | 166 | return (agbno >= sbp->sb_agblocks); |
f8149110 | 167 | if (agno == (sbp->sb_agcount - 1)) |
5e656dbb | 168 | return (agbno >= (sbp->sb_dblocks - |
5a35bf2c | 169 | ((xfs_rfsblock_t)(sbp->sb_agcount - 1) * |
003e8e41 | 170 | sbp->sb_agblocks))); |
5e656dbb | 171 | return 1; |
1e77098c MV |
172 | } |
173 | ||
2bd0ea18 NS |
174 | /* |
175 | * returns 0 if inode number is valid, 1 if bogus | |
176 | */ | |
177 | int | |
178 | verify_inum(xfs_mount_t *mp, | |
179 | xfs_ino_t ino) | |
180 | { | |
181 | xfs_agnumber_t agno; | |
182 | xfs_agino_t agino; | |
183 | xfs_agblock_t agbno; | |
184 | xfs_sb_t *sbp = &mp->m_sb;; | |
185 | ||
186 | /* range check ag #, ag block. range-checking offset is pointless */ | |
187 | ||
188 | agno = XFS_INO_TO_AGNO(mp, ino); | |
189 | agino = XFS_INO_TO_AGINO(mp, ino); | |
190 | agbno = XFS_AGINO_TO_AGBNO(mp, agino); | |
1e77098c MV |
191 | if (agbno == 0) |
192 | return 1; | |
2bd0ea18 NS |
193 | |
194 | if (ino == 0 || ino == NULLFSINO) | |
195 | return(1); | |
196 | ||
197 | if (ino != XFS_AGINO_TO_INO(mp, agno, agino)) | |
198 | return(1); | |
199 | ||
1e77098c | 200 | return verify_ag_bno(sbp, agno, agbno); |
2bd0ea18 NS |
201 | } |
202 | ||
203 | /* | |
204 | * have a separate routine to ensure that we don't accidentally | |
205 | * lose illegally set bits in the agino by turning it into an FSINO | |
206 | * to feed to the above routine | |
207 | */ | |
208 | int | |
209 | verify_aginum(xfs_mount_t *mp, | |
210 | xfs_agnumber_t agno, | |
211 | xfs_agino_t agino) | |
212 | { | |
213 | xfs_agblock_t agbno; | |
214 | xfs_sb_t *sbp = &mp->m_sb;; | |
215 | ||
216 | /* range check ag #, ag block. range-checking offset is pointless */ | |
217 | ||
218 | if (agino == 0 || agino == NULLAGINO) | |
219 | return(1); | |
220 | ||
221 | /* | |
222 | * agino's can't be too close to NULLAGINO because the min blocksize | |
223 | * is 9 bits and at most 1 bit of that gets used for the inode offset | |
224 | * so if the agino gets shifted by the # of offset bits and compared | |
225 | * to the legal agbno values, a bogus agino will be too large. there | |
226 | * will be extra bits set at the top that shouldn't be set. | |
227 | */ | |
228 | agbno = XFS_AGINO_TO_AGBNO(mp, agino); | |
1e77098c MV |
229 | if (agbno == 0) |
230 | return 1; | |
2bd0ea18 | 231 | |
1e77098c | 232 | return verify_ag_bno(sbp, agno, agbno); |
2bd0ea18 NS |
233 | } |
234 | ||
235 | /* | |
236 | * return 1 if block number is good, 0 if out of range | |
237 | */ | |
238 | int | |
239 | verify_dfsbno(xfs_mount_t *mp, | |
5a35bf2c | 240 | xfs_fsblock_t fsbno) |
2bd0ea18 NS |
241 | { |
242 | xfs_agnumber_t agno; | |
243 | xfs_agblock_t agbno; | |
244 | xfs_sb_t *sbp = &mp->m_sb;; | |
245 | ||
246 | /* range check ag #, ag block. range-checking offset is pointless */ | |
247 | ||
248 | agno = XFS_FSB_TO_AGNO(mp, fsbno); | |
249 | agbno = XFS_FSB_TO_AGBNO(mp, fsbno); | |
250 | ||
1e77098c MV |
251 | return verify_ag_bno(sbp, agno, agbno) == 0; |
252 | } | |
2bd0ea18 | 253 | |
1e77098c MV |
254 | #define XR_DFSBNORANGE_VALID 0 |
255 | #define XR_DFSBNORANGE_BADSTART 1 | |
256 | #define XR_DFSBNORANGE_BADEND 2 | |
257 | #define XR_DFSBNORANGE_OVERFLOW 3 | |
258 | ||
259 | static __inline int | |
260 | verify_dfsbno_range(xfs_mount_t *mp, | |
5a35bf2c DC |
261 | xfs_fsblock_t fsbno, |
262 | xfs_filblks_t count) | |
1e77098c MV |
263 | { |
264 | xfs_agnumber_t agno; | |
265 | xfs_agblock_t agbno; | |
266 | xfs_sb_t *sbp = &mp->m_sb;; | |
267 | ||
268 | /* the start and end blocks better be in the same allocation group */ | |
269 | agno = XFS_FSB_TO_AGNO(mp, fsbno); | |
270 | if (agno != XFS_FSB_TO_AGNO(mp, fsbno + count - 1)) { | |
271 | return XR_DFSBNORANGE_OVERFLOW; | |
272 | } | |
273 | ||
274 | agbno = XFS_FSB_TO_AGBNO(mp, fsbno); | |
275 | if (verify_ag_bno(sbp, agno, agbno)) { | |
276 | return XR_DFSBNORANGE_BADSTART; | |
277 | } | |
278 | ||
279 | agbno = XFS_FSB_TO_AGBNO(mp, fsbno + count - 1); | |
280 | if (verify_ag_bno(sbp, agno, agbno)) { | |
281 | return XR_DFSBNORANGE_BADEND; | |
282 | } | |
283 | ||
284 | return (XR_DFSBNORANGE_VALID); | |
2bd0ea18 NS |
285 | } |
286 | ||
287 | int | |
288 | verify_agbno(xfs_mount_t *mp, | |
289 | xfs_agnumber_t agno, | |
290 | xfs_agblock_t agbno) | |
291 | { | |
292 | xfs_sb_t *sbp = &mp->m_sb;; | |
293 | ||
294 | /* range check ag #, ag block. range-checking offset is pointless */ | |
1e77098c | 295 | return verify_ag_bno(sbp, agno, agbno) == 0; |
2bd0ea18 NS |
296 | } |
297 | ||
2556c98b BN |
298 | static int |
299 | process_rt_rec( | |
300 | xfs_mount_t *mp, | |
e0a12bda | 301 | xfs_bmbt_irec_t *irec, |
2556c98b | 302 | xfs_ino_t ino, |
5a35bf2c | 303 | xfs_rfsblock_t *tot, |
2556c98b BN |
304 | int check_dups) |
305 | { | |
5a35bf2c DC |
306 | xfs_fsblock_t b; |
307 | xfs_rtblock_t ext; | |
2556c98b | 308 | int state; |
2556c98b BN |
309 | int pwe; /* partially-written extent */ |
310 | ||
2556c98b BN |
311 | /* |
312 | * check numeric validity of the extent | |
313 | */ | |
e0a12bda | 314 | if (irec->br_startblock >= mp->m_sb.sb_rblocks) { |
5d1b7f0f CH |
315 | do_warn( |
316 | _("inode %" PRIu64 " - bad rt extent start block number %" PRIu64 ", offset %" PRIu64 "\n"), | |
317 | ino, | |
318 | irec->br_startblock, | |
319 | irec->br_startoff); | |
2556c98b BN |
320 | return 1; |
321 | } | |
e0a12bda | 322 | if (irec->br_startblock + irec->br_blockcount - 1 >= mp->m_sb.sb_rblocks) { |
5d1b7f0f CH |
323 | do_warn( |
324 | _("inode %" PRIu64 " - bad rt extent last block number %" PRIu64 ", offset %" PRIu64 "\n"), | |
325 | ino, | |
326 | irec->br_startblock + irec->br_blockcount - 1, | |
327 | irec->br_startoff); | |
2556c98b BN |
328 | return 1; |
329 | } | |
e0a12bda | 330 | if (irec->br_startblock + irec->br_blockcount - 1 < irec->br_startblock) { |
5d1b7f0f CH |
331 | do_warn( |
332 | _("inode %" PRIu64 " - bad rt extent overflows - start %" PRIu64 ", " | |
333 | "end %" PRIu64 ", offset %" PRIu64 "\n"), | |
334 | ino, | |
335 | irec->br_startblock, | |
336 | irec->br_startblock + irec->br_blockcount - 1, | |
337 | irec->br_startoff); | |
2556c98b BN |
338 | return 1; |
339 | } | |
340 | ||
2556c98b BN |
341 | /* |
342 | * set the appropriate number of extents | |
8961bfde | 343 | * this iterates block by block, this can be optimised using extents |
2556c98b | 344 | */ |
e0a12bda BN |
345 | for (b = irec->br_startblock; b < irec->br_startblock + |
346 | irec->br_blockcount; b += mp->m_sb.sb_rextsize) { | |
5a35bf2c | 347 | ext = (xfs_rtblock_t) b / mp->m_sb.sb_rextsize; |
b7fdeb4d | 348 | pwe = irec->br_state == XFS_EXT_UNWRITTEN && |
2556c98b BN |
349 | (b % mp->m_sb.sb_rextsize != 0); |
350 | ||
351 | if (check_dups == 1) { | |
352 | if (search_rt_dup_extent(mp, ext) && !pwe) { | |
5d1b7f0f CH |
353 | do_warn( |
354 | _("data fork in rt ino %" PRIu64 " claims dup rt extent," | |
355 | "off - %" PRIu64 ", start - %" PRIu64 ", count %" PRIu64 "\n"), | |
356 | ino, | |
357 | irec->br_startoff, | |
358 | irec->br_startblock, | |
359 | irec->br_blockcount); | |
2556c98b BN |
360 | return 1; |
361 | } | |
362 | continue; | |
363 | } | |
364 | ||
95650c4d | 365 | state = get_rtbmap(ext); |
2556c98b | 366 | switch (state) { |
95650c4d BN |
367 | case XR_E_FREE: |
368 | case XR_E_UNKNOWN: | |
369 | set_rtbmap(ext, XR_E_INUSE); | |
370 | break; | |
371 | case XR_E_BAD_STATE: | |
5d1b7f0f CH |
372 | do_error( |
373 | _("bad state in rt block map %" PRIu64 "\n"), | |
374 | ext); | |
95650c4d BN |
375 | case XR_E_FS_MAP: |
376 | case XR_E_INO: | |
377 | case XR_E_INUSE_FS: | |
5d1b7f0f CH |
378 | do_error( |
379 | _("data fork in rt inode %" PRIu64 " found metadata block %" PRIu64 " in rt bmap\n"), | |
95650c4d BN |
380 | ino, ext); |
381 | case XR_E_INUSE: | |
382 | if (pwe) | |
2556c98b | 383 | break; |
a93fcc04 | 384 | /* fall through */ |
95650c4d BN |
385 | case XR_E_MULT: |
386 | set_rtbmap(ext, XR_E_MULT); | |
5d1b7f0f CH |
387 | do_warn( |
388 | _("data fork in rt inode %" PRIu64 " claims used rt block %" PRIu64 "\n"), | |
389 | ino, ext); | |
95650c4d BN |
390 | return 1; |
391 | case XR_E_FREE1: | |
392 | default: | |
5d1b7f0f CH |
393 | do_error( |
394 | _("illegal state %d in rt block map %" PRIu64 "\n"), | |
395 | state, b); | |
2556c98b BN |
396 | } |
397 | } | |
398 | ||
399 | /* | |
400 | * bump up the block counter | |
401 | */ | |
e0a12bda | 402 | *tot += irec->br_blockcount; |
2556c98b BN |
403 | |
404 | return 0; | |
405 | } | |
3b6ac903 | 406 | |
2bd0ea18 NS |
407 | /* |
408 | * return 1 if inode should be cleared, 0 otherwise | |
409 | * if check_dups should be set to 1, that implies that | |
410 | * the primary purpose of this call is to see if the | |
411 | * file overlaps with any duplicate extents (in the | |
412 | * duplicate extent list). | |
413 | */ | |
8b8a6b02 | 414 | static int |
2bd0ea18 NS |
415 | process_bmbt_reclist_int( |
416 | xfs_mount_t *mp, | |
e0a12bda | 417 | xfs_bmbt_rec_t *rp, |
e1f43b4c | 418 | int *numrecs, |
2bd0ea18 NS |
419 | int type, |
420 | xfs_ino_t ino, | |
5a35bf2c | 421 | xfs_rfsblock_t *tot, |
2bd0ea18 | 422 | blkmap_t **blkmapp, |
5a35bf2c DC |
423 | xfs_fileoff_t *first_key, |
424 | xfs_fileoff_t *last_key, | |
2bd0ea18 NS |
425 | int check_dups, |
426 | int whichfork) | |
427 | { | |
e0a12bda | 428 | xfs_bmbt_irec_t irec; |
5a35bf2c DC |
429 | xfs_filblks_t cp = 0; /* prev count */ |
430 | xfs_fsblock_t sp = 0; /* prev start */ | |
431 | xfs_fileoff_t op = 0; /* prev offset */ | |
432 | xfs_fsblock_t b; | |
2bd0ea18 | 433 | char *ftype; |
beed0dc8 | 434 | char *forkname = get_forkname(whichfork); |
2bd0ea18 NS |
435 | int i; |
436 | int state; | |
1e77098c MV |
437 | xfs_agnumber_t agno; |
438 | xfs_agblock_t agbno; | |
8961bfde BN |
439 | xfs_agblock_t ebno; |
440 | xfs_extlen_t blen; | |
2556c98b BN |
441 | xfs_agnumber_t locked_agno = -1; |
442 | int error = 1; | |
2bd0ea18 | 443 | |
2bd0ea18 | 444 | if (type == XR_INO_RTDATA) |
beed0dc8 | 445 | ftype = ftype_real_time; |
2bd0ea18 | 446 | else |
beed0dc8 | 447 | ftype = ftype_regular; |
2bd0ea18 | 448 | |
e1f43b4c | 449 | for (i = 0; i < *numrecs; i++) { |
ff105f75 | 450 | libxfs_bmbt_disk_get_all((rp +i), &irec); |
2bd0ea18 | 451 | if (i == 0) |
e0a12bda | 452 | *last_key = *first_key = irec.br_startoff; |
2bd0ea18 | 453 | else |
e0a12bda BN |
454 | *last_key = irec.br_startoff; |
455 | if (i > 0 && op + cp > irec.br_startoff) { | |
5d1b7f0f CH |
456 | do_warn( |
457 | _("bmap rec out of order, inode %" PRIu64" entry %d " | |
458 | "[o s c] [%" PRIu64 " %" PRIu64 " %" PRIu64 "], " | |
459 | "%d [%" PRIu64 " %" PRIu64 " %" PRIu64 "]\n"), | |
e0a12bda BN |
460 | ino, i, irec.br_startoff, irec.br_startblock, |
461 | irec.br_blockcount, i - 1, op, sp, cp); | |
2556c98b | 462 | goto done; |
2bd0ea18 | 463 | } |
e0a12bda BN |
464 | op = irec.br_startoff; |
465 | cp = irec.br_blockcount; | |
466 | sp = irec.br_startblock; | |
2bd0ea18 NS |
467 | |
468 | /* | |
469 | * check numeric validity of the extent | |
470 | */ | |
e0a12bda | 471 | if (irec.br_blockcount == 0) { |
5d1b7f0f CH |
472 | do_warn( |
473 | _("zero length extent (off = %" PRIu64 ", fsbno = %" PRIu64 ") in ino %" PRIu64 "\n"), | |
474 | irec.br_startoff, | |
475 | irec.br_startblock, | |
476 | ino); | |
2556c98b | 477 | goto done; |
2bd0ea18 NS |
478 | } |
479 | ||
2556c98b | 480 | if (type == XR_INO_RTDATA && whichfork == XFS_DATA_FORK) { |
2bd0ea18 | 481 | /* |
2556c98b BN |
482 | * realtime bitmaps don't use AG locks, so returning |
483 | * immediately is fine for this code path. | |
2bd0ea18 | 484 | */ |
e0a12bda | 485 | if (process_rt_rec(mp, &irec, ino, tot, check_dups)) |
2556c98b | 486 | return 1; |
2bd0ea18 | 487 | /* |
e0a12bda | 488 | * skip rest of loop processing since that'irec.br_startblock |
2bd0ea18 NS |
489 | * all for regular file forks and attr forks |
490 | */ | |
491 | continue; | |
492 | } | |
493 | ||
2bd0ea18 NS |
494 | /* |
495 | * regular file data fork or attribute fork | |
496 | */ | |
e0a12bda BN |
497 | switch (verify_dfsbno_range(mp, irec.br_startblock, |
498 | irec.br_blockcount)) { | |
2556c98b BN |
499 | case XR_DFSBNORANGE_VALID: |
500 | break; | |
501 | ||
502 | case XR_DFSBNORANGE_BADSTART: | |
5d1b7f0f CH |
503 | do_warn( |
504 | _("inode %" PRIu64 " - bad extent starting block number %" PRIu64 ", offset %" PRIu64 "\n"), | |
505 | ino, | |
506 | irec.br_startblock, | |
e0a12bda | 507 | irec.br_startoff); |
2556c98b BN |
508 | goto done; |
509 | ||
510 | case XR_DFSBNORANGE_BADEND: | |
5d1b7f0f CH |
511 | do_warn( |
512 | _("inode %" PRIu64 " - bad extent last block number %" PRIu64 ", offset %" PRIu64 "\n"), | |
513 | ino, | |
514 | irec.br_startblock + irec.br_blockcount - 1, | |
515 | irec.br_startoff); | |
2556c98b BN |
516 | goto done; |
517 | ||
518 | case XR_DFSBNORANGE_OVERFLOW: | |
5d1b7f0f CH |
519 | do_warn( |
520 | _("inode %" PRIu64 " - bad extent overflows - start %" PRIu64 ", " | |
521 | "end %" PRIu64 ", offset %" PRIu64 "\n"), | |
522 | ino, | |
523 | irec.br_startblock, | |
524 | irec.br_startblock + irec.br_blockcount - 1, | |
525 | irec.br_startoff); | |
2556c98b BN |
526 | goto done; |
527 | } | |
7511a9cf ES |
528 | /* Ensure this extent does not extend beyond the max offset */ |
529 | if (irec.br_startoff + irec.br_blockcount - 1 > | |
530 | fs_max_file_offset) { | |
5d1b7f0f | 531 | do_warn( |
7511a9cf ES |
532 | _("inode %" PRIu64 " - extent exceeds max offset - start %" PRIu64 ", " |
533 | "count %" PRIu64 ", physical block %" PRIu64 "\n"), | |
534 | ino, irec.br_startoff, irec.br_blockcount, | |
535 | irec.br_startblock); | |
2556c98b BN |
536 | goto done; |
537 | } | |
538 | ||
75372fed | 539 | if (blkmapp && *blkmapp) { |
ea4a8de1 BM |
540 | int error2; |
541 | error2 = blkmap_set_ext(blkmapp, irec.br_startoff, | |
e0a12bda | 542 | irec.br_startblock, irec.br_blockcount); |
ea4a8de1 | 543 | if (error2) { |
75372fed DC |
544 | /* |
545 | * we don't want to clear the inode due to an | |
546 | * internal bmap tracking error, but if we've | |
547 | * run out of memory then we simply can't | |
548 | * validate that the filesystem is consistent. | |
549 | * Hence just abort at this point with an ENOMEM | |
550 | * error. | |
551 | */ | |
552 | do_abort( | |
553 | _("Fatal error: inode %" PRIu64 " - blkmap_set_ext(): %s\n" | |
554 | "\t%s fork, off - %" PRIu64 ", start - %" PRIu64 ", cnt %" PRIu64 "\n"), | |
ea4a8de1 | 555 | ino, strerror(error2), forkname, |
75372fed DC |
556 | irec.br_startoff, irec.br_startblock, |
557 | irec.br_blockcount); | |
558 | } | |
559 | } | |
560 | ||
1e77098c MV |
561 | /* |
562 | * Profiling shows that the following loop takes the | |
563 | * most time in all of xfs_repair. | |
564 | */ | |
e0a12bda BN |
565 | agno = XFS_FSB_TO_AGNO(mp, irec.br_startblock); |
566 | agbno = XFS_FSB_TO_AGBNO(mp, irec.br_startblock); | |
8961bfde | 567 | ebno = agbno + irec.br_blockcount; |
2556c98b BN |
568 | if (agno != locked_agno) { |
569 | if (locked_agno != -1) | |
586f8abf DC |
570 | pthread_mutex_unlock(&ag_locks[locked_agno].lock); |
571 | pthread_mutex_lock(&ag_locks[agno].lock); | |
2556c98b BN |
572 | locked_agno = agno; |
573 | } | |
574 | ||
575 | if (check_dups) { | |
576 | /* | |
577 | * if we're just checking the bmap for dups, | |
578 | * return if we find one, otherwise, continue | |
579 | * checking each entry without setting the | |
580 | * block bitmap | |
581 | */ | |
a406779b DW |
582 | if (!(type == XR_INO_DATA && |
583 | xfs_sb_version_hasreflink(&mp->m_sb)) && | |
584 | search_dup_extent(agno, agbno, ebno)) { | |
5d1b7f0f CH |
585 | do_warn( |
586 | _("%s fork in ino %" PRIu64 " claims dup extent, " | |
587 | "off - %" PRIu64 ", start - %" PRIu64 ", cnt %" PRIu64 "\n"), | |
79872d6e BN |
588 | forkname, ino, irec.br_startoff, |
589 | irec.br_startblock, | |
590 | irec.br_blockcount); | |
591 | goto done; | |
dfc130f3 | 592 | } |
e0a12bda | 593 | *tot += irec.br_blockcount; |
2556c98b BN |
594 | continue; |
595 | } | |
dfc130f3 | 596 | |
8961bfde BN |
597 | for (b = irec.br_startblock; |
598 | agbno < ebno; | |
599 | b += blen, agbno += blen) { | |
600 | state = get_bmap_ext(agno, agbno, ebno, &blen); | |
2bd0ea18 NS |
601 | switch (state) { |
602 | case XR_E_FREE: | |
603 | case XR_E_FREE1: | |
5d1b7f0f CH |
604 | do_warn( |
605 | _("%s fork in ino %" PRIu64 " claims free block %" PRIu64 "\n"), | |
14f8b681 | 606 | forkname, ino, (uint64_t) b); |
2bd0ea18 | 607 | /* fall through ... */ |
0f94fa4b | 608 | case XR_E_INUSE1: /* seen by rmap */ |
2bd0ea18 | 609 | case XR_E_UNKNOWN: |
2bd0ea18 | 610 | break; |
2556c98b | 611 | |
2bd0ea18 | 612 | case XR_E_BAD_STATE: |
5d1b7f0f | 613 | do_error(_("bad state in block map %" PRIu64 "\n"), b); |
2556c98b | 614 | |
0f94fa4b DW |
615 | case XR_E_FS_MAP1: |
616 | case XR_E_INO1: | |
617 | case XR_E_INUSE_FS1: | |
618 | do_warn(_("rmap claims metadata use!\n")); | |
619 | /* fall through */ | |
2bd0ea18 NS |
620 | case XR_E_FS_MAP: |
621 | case XR_E_INO: | |
622 | case XR_E_INUSE_FS: | |
85c9f7f4 | 623 | case XR_E_REFC: |
5d1b7f0f CH |
624 | do_warn( |
625 | _("%s fork in inode %" PRIu64 " claims metadata block %" PRIu64 "\n"), | |
626 | forkname, ino, b); | |
2556c98b BN |
627 | goto done; |
628 | ||
2bd0ea18 NS |
629 | case XR_E_INUSE: |
630 | case XR_E_MULT: | |
a406779b DW |
631 | if (type == XR_INO_DATA && |
632 | xfs_sb_version_hasreflink(&mp->m_sb)) | |
633 | break; | |
5d1b7f0f CH |
634 | do_warn( |
635 | _("%s fork in %s inode %" PRIu64 " claims used block %" PRIu64 "\n"), | |
636 | forkname, ftype, ino, b); | |
2556c98b BN |
637 | goto done; |
638 | ||
85c9f7f4 DW |
639 | case XR_E_COW: |
640 | do_warn( | |
641 | _("%s fork in %s inode %" PRIu64 " claims CoW block %" PRIu64 "\n"), | |
642 | forkname, ftype, ino, b); | |
643 | goto done; | |
644 | ||
2bd0ea18 | 645 | default: |
5d1b7f0f CH |
646 | do_error( |
647 | _("illegal state %d in block map %" PRIu64 "\n"), | |
2bd0ea18 | 648 | state, b); |
bf678507 DW |
649 | goto done; |
650 | } | |
651 | } | |
652 | ||
653 | /* | |
654 | * Update the internal extent map only after we've checked | |
655 | * every block in this extent. The first time we reject this | |
656 | * data fork we'll try to rebuild the bmbt from rmap data. | |
657 | * After a successful rebuild we'll try this scan again. | |
658 | * (If the rebuild fails we won't come back here.) | |
659 | */ | |
660 | agbno = XFS_FSB_TO_AGBNO(mp, irec.br_startblock); | |
661 | ebno = agbno + irec.br_blockcount; | |
662 | for (; agbno < ebno; agbno += blen) { | |
663 | state = get_bmap_ext(agno, agbno, ebno, &blen); | |
664 | switch (state) { | |
665 | case XR_E_FREE: | |
666 | case XR_E_FREE1: | |
667 | case XR_E_INUSE1: | |
668 | case XR_E_UNKNOWN: | |
669 | set_bmap_ext(agno, agbno, blen, XR_E_INUSE); | |
670 | break; | |
671 | case XR_E_INUSE: | |
672 | case XR_E_MULT: | |
673 | set_bmap_ext(agno, agbno, blen, XR_E_MULT); | |
674 | break; | |
675 | default: | |
676 | break; | |
2bd0ea18 NS |
677 | } |
678 | } | |
9e0f480e | 679 | if (collect_rmaps) { /* && !check_dups */ |
2d273771 | 680 | error = rmap_add_rec(mp, ino, whichfork, &irec); |
9e0f480e DW |
681 | if (error) |
682 | do_error( | |
683 | _("couldn't add reverse mapping\n") | |
684 | ); | |
685 | } | |
e0a12bda | 686 | *tot += irec.br_blockcount; |
2bd0ea18 | 687 | } |
2556c98b BN |
688 | error = 0; |
689 | done: | |
690 | if (locked_agno != -1) | |
586f8abf | 691 | pthread_mutex_unlock(&ag_locks[locked_agno].lock); |
e1f43b4c CH |
692 | |
693 | if (i != *numrecs) { | |
694 | ASSERT(i < *numrecs); | |
695 | do_warn(_("correcting nextents for inode %" PRIu64 "\n"), ino); | |
696 | *numrecs = i; | |
697 | } | |
698 | ||
2556c98b | 699 | return error; |
2bd0ea18 NS |
700 | } |
701 | ||
702 | /* | |
703 | * return 1 if inode should be cleared, 0 otherwise, sets block bitmap | |
704 | * as a side-effect | |
705 | */ | |
706 | int | |
707 | process_bmbt_reclist( | |
708 | xfs_mount_t *mp, | |
5e656dbb | 709 | xfs_bmbt_rec_t *rp, |
e1f43b4c | 710 | int *numrecs, |
2bd0ea18 NS |
711 | int type, |
712 | xfs_ino_t ino, | |
5a35bf2c | 713 | xfs_rfsblock_t *tot, |
2bd0ea18 | 714 | blkmap_t **blkmapp, |
5a35bf2c DC |
715 | xfs_fileoff_t *first_key, |
716 | xfs_fileoff_t *last_key, | |
2bd0ea18 NS |
717 | int whichfork) |
718 | { | |
5e656dbb BN |
719 | return process_bmbt_reclist_int(mp, rp, numrecs, type, ino, tot, |
720 | blkmapp, first_key, last_key, 0, whichfork); | |
2bd0ea18 NS |
721 | } |
722 | ||
723 | /* | |
724 | * return 1 if inode should be cleared, 0 otherwise, does not set | |
725 | * block bitmap | |
726 | */ | |
727 | int | |
728 | scan_bmbt_reclist( | |
729 | xfs_mount_t *mp, | |
5e656dbb | 730 | xfs_bmbt_rec_t *rp, |
e1f43b4c | 731 | int *numrecs, |
2bd0ea18 NS |
732 | int type, |
733 | xfs_ino_t ino, | |
5a35bf2c | 734 | xfs_rfsblock_t *tot, |
2bd0ea18 NS |
735 | int whichfork) |
736 | { | |
5a35bf2c DC |
737 | xfs_fileoff_t first_key = 0; |
738 | xfs_fileoff_t last_key = 0; | |
2bd0ea18 | 739 | |
5e656dbb BN |
740 | return process_bmbt_reclist_int(mp, rp, numrecs, type, ino, tot, |
741 | NULL, &first_key, &last_key, 1, whichfork); | |
2bd0ea18 NS |
742 | } |
743 | ||
744 | /* | |
15028317 DW |
745 | * Grab the buffer backing an inode. This is meant for routines that |
746 | * work with inodes one at a time in any order (like walking the | |
747 | * unlinked lists to look for inodes). The caller is responsible for | |
748 | * writing/releasing the buffer. | |
2bd0ea18 | 749 | */ |
15028317 DW |
750 | struct xfs_buf * |
751 | get_agino_buf( | |
752 | struct xfs_mount *mp, | |
753 | xfs_agnumber_t agno, | |
754 | xfs_agino_t agino, | |
755 | struct xfs_dinode **dipp) | |
2bd0ea18 | 756 | { |
15028317 DW |
757 | struct xfs_buf *bp; |
758 | int cluster_size; | |
759 | int ino_per_cluster; | |
760 | xfs_agino_t cluster_agino; | |
761 | xfs_daddr_t cluster_daddr; | |
762 | xfs_daddr_t cluster_blks; | |
2bd0ea18 | 763 | |
15028317 DW |
764 | /* |
765 | * Inode buffers have been read into memory in inode_cluster_size | |
766 | * chunks (or one FSB). To find the correct buffer for an inode, | |
767 | * we must find the buffer for its cluster, add the appropriate | |
768 | * offset, and return that. | |
769 | */ | |
68d16907 | 770 | cluster_size = max(mp->m_inode_cluster_size, mp->m_sb.sb_blocksize); |
15028317 DW |
771 | ino_per_cluster = cluster_size / mp->m_sb.sb_inodesize; |
772 | cluster_agino = agino & ~(ino_per_cluster - 1); | |
68d16907 | 773 | cluster_blks = XFS_FSB_TO_DADDR(mp, max(1, |
2703398a | 774 | mp->m_inode_cluster_size >> mp->m_sb.sb_blocklog)); |
15028317 DW |
775 | cluster_daddr = XFS_AGB_TO_DADDR(mp, agno, |
776 | XFS_AGINO_TO_AGBNO(mp, cluster_agino)); | |
777 | ||
778 | #ifdef XR_INODE_TRACE | |
779 | printf("cluster_size %d ipc %d clusagino %d daddr %lld sectors %lld\n", | |
780 | cluster_size, ino_per_cluster, cluster_agino, cluster_daddr, | |
781 | cluster_blks); | |
782 | #endif | |
783 | ||
784 | bp = libxfs_readbuf(mp->m_dev, cluster_daddr, cluster_blks, | |
785 | 0, &xfs_inode_buf_ops); | |
2bd0ea18 | 786 | if (!bp) { |
5d1b7f0f | 787 | do_warn(_("cannot read inode (%u/%u), disk block %" PRIu64 "\n"), |
15028317 DW |
788 | agno, cluster_agino, cluster_daddr); |
789 | return NULL; | |
2bd0ea18 NS |
790 | } |
791 | ||
15028317 DW |
792 | *dipp = xfs_make_iptr(mp, bp, agino - cluster_agino); |
793 | ASSERT(!xfs_sb_version_hascrc(&mp->m_sb) || | |
794 | XFS_AGINO_TO_INO(mp, agno, agino) == | |
795 | be64_to_cpu((*dipp)->di_ino)); | |
796 | return bp; | |
2bd0ea18 NS |
797 | } |
798 | ||
2bd0ea18 NS |
799 | /* |
800 | * higher level inode processing stuff starts here: | |
801 | * first, one utility routine for each type of inode | |
802 | */ | |
803 | ||
804 | /* | |
805 | * return 1 if inode should be cleared, 0 otherwise | |
806 | */ | |
8b8a6b02 | 807 | static int |
2bd0ea18 NS |
808 | process_btinode( |
809 | xfs_mount_t *mp, | |
810 | xfs_agnumber_t agno, | |
811 | xfs_agino_t ino, | |
812 | xfs_dinode_t *dip, | |
813 | int type, | |
814 | int *dirty, | |
5a35bf2c | 815 | xfs_rfsblock_t *tot, |
14f8b681 | 816 | uint64_t *nex, |
2bd0ea18 NS |
817 | blkmap_t **blkmapp, |
818 | int whichfork, | |
819 | int check_dups) | |
820 | { | |
821 | xfs_bmdr_block_t *dib; | |
5a35bf2c DC |
822 | xfs_fileoff_t last_key; |
823 | xfs_fileoff_t first_key = 0; | |
2bd0ea18 NS |
824 | xfs_ino_t lino; |
825 | xfs_bmbt_ptr_t *pp; | |
826 | xfs_bmbt_key_t *pkey; | |
beed0dc8 | 827 | char *forkname = get_forkname(whichfork); |
2bd0ea18 | 828 | int i; |
9234d416 BN |
829 | int level; |
830 | int numrecs; | |
2bd0ea18 | 831 | bmap_cursor_t cursor; |
14f8b681 | 832 | uint64_t magic; |
2bd0ea18 | 833 | |
46eca962 | 834 | dib = (xfs_bmdr_block_t *)XFS_DFORK_PTR(dip, whichfork); |
2bd0ea18 NS |
835 | lino = XFS_AGINO_TO_INO(mp, agno, ino); |
836 | *tot = 0; | |
837 | *nex = 0; | |
838 | ||
e0607266 DC |
839 | magic = xfs_sb_version_hascrc(&mp->m_sb) ? XFS_BMAP_CRC_MAGIC |
840 | : XFS_BMAP_MAGIC; | |
841 | ||
5e656dbb BN |
842 | level = be16_to_cpu(dib->bb_level); |
843 | numrecs = be16_to_cpu(dib->bb_numrecs); | |
9234d416 BN |
844 | |
845 | if ((level == 0) || (level > XFS_BM_MAXLEVELS(mp, whichfork))) { | |
2bd0ea18 | 846 | /* |
2bd0ea18 NS |
847 | * XXX - if we were going to fix up the inode, |
848 | * we'd try to treat the fork as an interior | |
849 | * node and see if we could get an accurate | |
850 | * level value from one of the blocks pointed | |
851 | * to by the pointers in the fork. For now | |
852 | * though, we just bail (and blow out the inode). | |
853 | */ | |
5d1b7f0f CH |
854 | do_warn( |
855 | _("bad level %d in inode %" PRIu64 " bmap btree root block\n"), | |
9234d416 BN |
856 | level, XFS_AGINO_TO_INO(mp, agno, ino)); |
857 | return(1); | |
858 | } | |
859 | if (numrecs == 0) { | |
5d1b7f0f CH |
860 | do_warn( |
861 | _("bad numrecs 0 in inode %" PRIu64 " bmap btree root block\n"), | |
2bd0ea18 NS |
862 | XFS_AGINO_TO_INO(mp, agno, ino)); |
863 | return(1); | |
864 | } | |
865 | /* | |
866 | * use bmdr/dfork_dsize since the root block is in the data fork | |
867 | */ | |
5e656dbb | 868 | if (XFS_BMDR_SPACE_CALC(numrecs) > XFS_DFORK_SIZE(dip, mp, whichfork)) { |
2bd0ea18 | 869 | do_warn( |
507f4e33 | 870 | _("indicated size of %s btree root (%d bytes) greater than space in " |
5d1b7f0f | 871 | "inode %" PRIu64 " %s fork\n"), |
9234d416 | 872 | forkname, XFS_BMDR_SPACE_CALC(numrecs), lino, forkname); |
2bd0ea18 NS |
873 | return(1); |
874 | } | |
875 | ||
9234d416 BN |
876 | init_bm_cursor(&cursor, level + 1); |
877 | ||
b3563c19 | 878 | pp = XFS_BMDR_PTR_ADDR(dib, 1, |
e2f60652 | 879 | libxfs_bmdr_maxrecs(XFS_DFORK_SIZE(dip, mp, whichfork), 0)); |
b3563c19 | 880 | pkey = XFS_BMDR_KEY_ADDR(dib, 1); |
5a35bf2c | 881 | last_key = NULLFILEOFF; |
2bd0ea18 | 882 | |
9234d416 | 883 | for (i = 0; i < numrecs; i++) { |
2bd0ea18 NS |
884 | /* |
885 | * XXX - if we were going to do more to fix up the inode | |
886 | * btree, we'd do it right here. For now, if there's a | |
887 | * problem, we'll bail out and presumably clear the inode. | |
888 | */ | |
fb36a55d ES |
889 | if (!verify_dfsbno(mp, get_unaligned_be64(&pp[i]))) { |
890 | do_warn( | |
891 | _("bad bmap btree ptr 0x%" PRIx64 " in ino %" PRIu64 "\n"), | |
892 | get_unaligned_be64(&pp[i]), lino); | |
2bd0ea18 NS |
893 | return(1); |
894 | } | |
895 | ||
fb36a55d ES |
896 | if (scan_lbtree(get_unaligned_be64(&pp[i]), level, scan_bmapbt, |
897 | type, whichfork, lino, tot, nex, blkmapp, | |
898 | &cursor, 1, check_dups, magic, | |
899 | &xfs_bmbt_buf_ops)) | |
2bd0ea18 NS |
900 | return(1); |
901 | /* | |
902 | * fix key (offset) mismatches between the keys in root | |
903 | * block records and the first key of each child block. | |
904 | * fixes cases where entries have been shifted between | |
905 | * blocks but the parent hasn't been updated | |
906 | */ | |
5e656dbb | 907 | if (!check_dups && cursor.level[level-1].first_key != |
fb36a55d | 908 | get_unaligned_be64(&pkey[i].br_startoff)) { |
2bd0ea18 NS |
909 | if (!no_modify) { |
910 | do_warn( | |
fb36a55d ES |
911 | _("correcting key in bmbt root (was %" PRIu64 ", now %" PRIu64") in inode " |
912 | "%" PRIu64" %s fork\n"), | |
913 | get_unaligned_be64(&pkey[i].br_startoff), | |
914 | cursor.level[level-1].first_key, | |
915 | XFS_AGINO_TO_INO(mp, agno, ino), | |
916 | forkname); | |
2bd0ea18 | 917 | *dirty = 1; |
fb36a55d ES |
918 | put_unaligned_be64( |
919 | cursor.level[level-1].first_key, | |
920 | &pkey[i].br_startoff); | |
2bd0ea18 NS |
921 | } else { |
922 | do_warn( | |
fb36a55d ES |
923 | _("bad key in bmbt root (is %" PRIu64 ", would reset to %" PRIu64 ") in inode " |
924 | "%" PRIu64 " %s fork\n"), | |
925 | get_unaligned_be64(&pkey[i].br_startoff), | |
926 | cursor.level[level-1].first_key, | |
927 | XFS_AGINO_TO_INO(mp, agno, ino), | |
928 | forkname); | |
2bd0ea18 NS |
929 | } |
930 | } | |
931 | /* | |
932 | * make sure that keys are in ascending order. blow out | |
933 | * inode if the ordering doesn't hold | |
934 | */ | |
935 | if (check_dups == 0) { | |
5a35bf2c | 936 | if (last_key != NULLFILEOFF && last_key >= |
9234d416 | 937 | cursor.level[level-1].first_key) { |
2bd0ea18 | 938 | do_warn( |
5d1b7f0f | 939 | _("out of order bmbt root key %" PRIu64 " in inode %" PRIu64 " %s fork\n"), |
2bd0ea18 NS |
940 | first_key, |
941 | XFS_AGINO_TO_INO(mp, agno, ino), | |
942 | forkname); | |
943 | return(1); | |
944 | } | |
9234d416 | 945 | last_key = cursor.level[level-1].first_key; |
2bd0ea18 NS |
946 | } |
947 | } | |
2e10b140 ES |
948 | /* |
949 | * Ideally if all the extents are ok (perhaps after further | |
950 | * checks below?) we'd just move this back into extents format. | |
951 | * But for now clear it, as the kernel will choke on this | |
952 | */ | |
953 | if (*nex <= XFS_DFORK_SIZE(dip, mp, whichfork) / | |
954 | sizeof(xfs_bmbt_rec_t)) { | |
955 | do_warn( | |
5d1b7f0f | 956 | _("extent count for ino %" PRIu64 " %s fork too low (%" PRIu64 ") for file format\n"), |
2e10b140 ES |
957 | lino, forkname, *nex); |
958 | return(1); | |
959 | } | |
2bd0ea18 NS |
960 | /* |
961 | * Check that the last child block's forward sibling pointer | |
962 | * is NULL. | |
963 | */ | |
964 | if (check_dups == 0 && | |
5a35bf2c | 965 | cursor.level[0].right_fsbno != NULLFSBLOCK) { |
2bd0ea18 | 966 | do_warn( |
5a35bf2c | 967 | _("bad fwd (right) sibling pointer (saw %" PRIu64 " should be NULLFSBLOCK)\n"), |
2bd0ea18 NS |
968 | cursor.level[0].right_fsbno); |
969 | do_warn( | |
5d1b7f0f | 970 | _("\tin inode %" PRIu64 " (%s fork) bmap btree block %" PRIu64 "\n"), |
2bd0ea18 NS |
971 | XFS_AGINO_TO_INO(mp, agno, ino), forkname, |
972 | cursor.level[0].fsbno); | |
973 | return(1); | |
974 | } | |
dfc130f3 | 975 | |
2bd0ea18 NS |
976 | return(0); |
977 | } | |
978 | ||
979 | /* | |
980 | * return 1 if inode should be cleared, 0 otherwise | |
981 | */ | |
8b8a6b02 | 982 | static int |
2bd0ea18 NS |
983 | process_exinode( |
984 | xfs_mount_t *mp, | |
985 | xfs_agnumber_t agno, | |
986 | xfs_agino_t ino, | |
987 | xfs_dinode_t *dip, | |
988 | int type, | |
989 | int *dirty, | |
5a35bf2c | 990 | xfs_rfsblock_t *tot, |
14f8b681 | 991 | uint64_t *nex, |
2bd0ea18 NS |
992 | blkmap_t **blkmapp, |
993 | int whichfork, | |
994 | int check_dups) | |
995 | { | |
996 | xfs_ino_t lino; | |
5e656dbb | 997 | xfs_bmbt_rec_t *rp; |
5a35bf2c DC |
998 | xfs_fileoff_t first_key; |
999 | xfs_fileoff_t last_key; | |
5fa28531 | 1000 | int32_t numrecs; |
e1f43b4c | 1001 | int ret; |
2bd0ea18 NS |
1002 | |
1003 | lino = XFS_AGINO_TO_INO(mp, agno, ino); | |
5e656dbb | 1004 | rp = (xfs_bmbt_rec_t *)XFS_DFORK_PTR(dip, whichfork); |
2bd0ea18 | 1005 | *tot = 0; |
e1f43b4c CH |
1006 | numrecs = XFS_DFORK_NEXTENTS(dip, whichfork); |
1007 | ||
5fa28531 DC |
1008 | /* |
1009 | * We've already decided on the maximum number of extents on the inode, | |
1010 | * and numrecs may be corrupt. Hence make sure we only allow numrecs to | |
1011 | * be in the range of valid on-disk numbers, which is: | |
1012 | * 0 < numrecs < 2^31 - 1 | |
1013 | */ | |
1014 | if (numrecs < 0) | |
1015 | numrecs = *nex; | |
1016 | ||
2bd0ea18 NS |
1017 | /* |
1018 | * XXX - if we were going to fix up the btree record, | |
1019 | * we'd do it right here. For now, if there's a problem, | |
1020 | * we'll bail out and presumably clear the inode. | |
1021 | */ | |
1022 | if (check_dups == 0) | |
e1f43b4c | 1023 | ret = process_bmbt_reclist(mp, rp, &numrecs, type, lino, |
2bd0ea18 | 1024 | tot, blkmapp, &first_key, &last_key, |
e1f43b4c | 1025 | whichfork); |
2bd0ea18 | 1026 | else |
e1f43b4c CH |
1027 | ret = scan_bmbt_reclist(mp, rp, &numrecs, type, lino, tot, |
1028 | whichfork); | |
1029 | ||
1030 | *nex = numrecs; | |
1031 | return ret; | |
2bd0ea18 NS |
1032 | } |
1033 | ||
1034 | /* | |
1035 | * return 1 if inode should be cleared, 0 otherwise | |
1036 | */ | |
5e656dbb | 1037 | static int |
2bd0ea18 NS |
1038 | process_lclinode( |
1039 | xfs_mount_t *mp, | |
1040 | xfs_agnumber_t agno, | |
1041 | xfs_agino_t ino, | |
1042 | xfs_dinode_t *dip, | |
5e656dbb | 1043 | int whichfork) |
2bd0ea18 NS |
1044 | { |
1045 | xfs_attr_shortform_t *asf; | |
2bd0ea18 NS |
1046 | xfs_ino_t lino; |
1047 | ||
2bd0ea18 | 1048 | lino = XFS_AGINO_TO_INO(mp, agno, ino); |
56b2de80 | 1049 | if (whichfork == XFS_DATA_FORK && be64_to_cpu(dip->di_size) > |
5e656dbb | 1050 | XFS_DFORK_DSIZE(dip, mp)) { |
2bd0ea18 | 1051 | do_warn( |
5d1b7f0f CH |
1052 | _("local inode %" PRIu64 " data fork is too large (size = %lld, max = %d)\n"), |
1053 | lino, (unsigned long long) be64_to_cpu(dip->di_size), | |
46eca962 | 1054 | XFS_DFORK_DSIZE(dip, mp)); |
2bd0ea18 NS |
1055 | return(1); |
1056 | } else if (whichfork == XFS_ATTR_FORK) { | |
5e656dbb BN |
1057 | asf = (xfs_attr_shortform_t *)XFS_DFORK_APTR(dip); |
1058 | if (be16_to_cpu(asf->hdr.totsize) > XFS_DFORK_ASIZE(dip, mp)) { | |
2bd0ea18 | 1059 | do_warn( |
5d1b7f0f | 1060 | _("local inode %" PRIu64 " attr fork too large (size %d, max = %d)\n"), |
5e656dbb | 1061 | lino, be16_to_cpu(asf->hdr.totsize), |
46eca962 | 1062 | XFS_DFORK_ASIZE(dip, mp)); |
2bd0ea18 NS |
1063 | return(1); |
1064 | } | |
5e656dbb | 1065 | if (be16_to_cpu(asf->hdr.totsize) < sizeof(xfs_attr_sf_hdr_t)) { |
2bd0ea18 | 1066 | do_warn( |
5d1b7f0f | 1067 | _("local inode %" PRIu64 " attr too small (size = %d, min size = %zd)\n"), |
5e656dbb | 1068 | lino, be16_to_cpu(asf->hdr.totsize), |
507f4e33 | 1069 | sizeof(xfs_attr_sf_hdr_t)); |
2bd0ea18 NS |
1070 | return(1); |
1071 | } | |
1072 | } | |
1073 | ||
1074 | return(0); | |
1075 | } | |
1076 | ||
8b8a6b02 | 1077 | static int |
2bd0ea18 NS |
1078 | process_symlink_extlist(xfs_mount_t *mp, xfs_ino_t lino, xfs_dinode_t *dino) |
1079 | { | |
5a35bf2c | 1080 | xfs_fileoff_t expected_offset; |
e0a12bda BN |
1081 | xfs_bmbt_rec_t *rp; |
1082 | xfs_bmbt_irec_t irec; | |
2bd0ea18 NS |
1083 | int numrecs; |
1084 | int i; | |
1085 | int max_blocks; | |
2bd0ea18 | 1086 | |
56b2de80 | 1087 | if (be64_to_cpu(dino->di_size) <= XFS_DFORK_DSIZE(dino, mp)) { |
f8149110 | 1088 | if (dino->di_format == XFS_DINODE_FMT_LOCAL) |
5e656dbb | 1089 | return 0; |
5d1b7f0f CH |
1090 | do_warn( |
1091 | _("mismatch between format (%d) and size (%" PRId64 ") in symlink ino %" PRIu64 "\n"), | |
1092 | dino->di_format, | |
14f8b681 | 1093 | (int64_t)be64_to_cpu(dino->di_size), lino); |
5e656dbb BN |
1094 | return 1; |
1095 | } | |
56b2de80 | 1096 | if (dino->di_format == XFS_DINODE_FMT_LOCAL) { |
5d1b7f0f | 1097 | do_warn( |
b52923f3 | 1098 | _("mismatch between format (%d) and size (%" PRId64 ") in symlink inode %" PRIu64 "\n"), |
5d1b7f0f | 1099 | dino->di_format, |
14f8b681 | 1100 | (int64_t)be64_to_cpu(dino->di_size), lino); |
5e656dbb | 1101 | return 1; |
2bd0ea18 NS |
1102 | } |
1103 | ||
5e656dbb | 1104 | rp = (xfs_bmbt_rec_t *)XFS_DFORK_DPTR(dino); |
56b2de80 | 1105 | numrecs = be32_to_cpu(dino->di_nextents); |
2bd0ea18 NS |
1106 | |
1107 | /* | |
1108 | * the max # of extents in a symlink inode is equal to the | |
dfc130f3 | 1109 | * number of max # of blocks required to store the symlink |
2bd0ea18 NS |
1110 | */ |
1111 | if (numrecs > max_symlink_blocks) { | |
1112 | do_warn( | |
5d1b7f0f | 1113 | _("bad number of extents (%d) in symlink %" PRIu64 " data fork\n"), |
2bd0ea18 NS |
1114 | numrecs, lino); |
1115 | return(1); | |
1116 | } | |
1117 | ||
1118 | max_blocks = max_symlink_blocks; | |
1119 | expected_offset = 0; | |
1120 | ||
5e656dbb | 1121 | for (i = 0; i < numrecs; i++) { |
ff105f75 | 1122 | libxfs_bmbt_disk_get_all((rp +i), &irec); |
e0a12bda | 1123 | if (irec.br_startoff != expected_offset) { |
2bd0ea18 | 1124 | do_warn( |
5d1b7f0f | 1125 | _("bad extent #%d offset (%" PRIu64 ") in symlink %" PRIu64 " data fork\n"), |
e0a12bda | 1126 | i, irec.br_startoff, lino); |
2bd0ea18 NS |
1127 | return(1); |
1128 | } | |
e0a12bda | 1129 | if (irec.br_blockcount == 0 || irec.br_blockcount > max_blocks) { |
2bd0ea18 | 1130 | do_warn( |
5d1b7f0f | 1131 | _("bad extent #%d count (%" PRIu64 ") in symlink %" PRIu64 " data fork\n"), |
e0a12bda | 1132 | i, irec.br_blockcount, lino); |
2bd0ea18 NS |
1133 | return(1); |
1134 | } | |
1135 | ||
e0a12bda BN |
1136 | max_blocks -= irec.br_blockcount; |
1137 | expected_offset += irec.br_blockcount; | |
2bd0ea18 NS |
1138 | } |
1139 | ||
1140 | return(0); | |
1141 | } | |
1142 | ||
1143 | /* | |
1144 | * takes a name and length and returns 1 if the name contains | |
1145 | * a \0, returns 0 otherwise | |
1146 | */ | |
8b8a6b02 | 1147 | static int |
2bd0ea18 NS |
1148 | null_check(char *name, int length) |
1149 | { | |
1150 | int i; | |
1151 | ||
5a707ca1 | 1152 | ASSERT(length < XFS_SYMLINK_MAXLEN); |
2bd0ea18 NS |
1153 | |
1154 | for (i = 0; i < length; i++, name++) { | |
1155 | if (*name == '\0') | |
1156 | return(1); | |
1157 | } | |
1158 | ||
1159 | return(0); | |
1160 | } | |
1161 | ||
5857dce9 ES |
1162 | /* |
1163 | * This does /not/ do quotacheck, it validates the basic quota | |
1164 | * inode metadata, checksums, etc. | |
1165 | */ | |
1166 | #define uuid_equal(s,d) (platform_uuid_compare((s),(d)) == 0) | |
1167 | static int | |
1168 | process_quota_inode( | |
1169 | struct xfs_mount *mp, | |
1170 | xfs_ino_t lino, | |
1171 | struct xfs_dinode *dino, | |
1172 | uint ino_type, | |
1173 | struct blkmap *blkmap) | |
1174 | { | |
1175 | xfs_fsblock_t fsbno; | |
1176 | struct xfs_buf *bp; | |
1177 | xfs_filblks_t dqchunklen; | |
1178 | uint dqperchunk; | |
1179 | int quota_type; | |
1180 | char *quota_string; | |
1181 | xfs_dqid_t dqid; | |
1182 | xfs_fileoff_t qbno; | |
1183 | int i; | |
1184 | int t = 0; | |
1185 | ||
1186 | switch (ino_type) { | |
1187 | case XR_INO_UQUOTA: | |
1188 | quota_type = XFS_DQ_USER; | |
1189 | quota_string = _("User quota"); | |
1190 | break; | |
1191 | case XR_INO_GQUOTA: | |
1192 | quota_type = XFS_DQ_GROUP; | |
1193 | quota_string = _("Group quota"); | |
1194 | break; | |
1195 | case XR_INO_PQUOTA: | |
1196 | quota_type = XFS_DQ_PROJ; | |
1197 | quota_string = _("Project quota"); | |
1198 | break; | |
1199 | default: | |
1200 | ASSERT(0); | |
1201 | } | |
1202 | ||
1203 | dqchunklen = XFS_FSB_TO_BB(mp, XFS_DQUOT_CLUSTER_SIZE_FSB); | |
585acbe8 | 1204 | dqperchunk = libxfs_calc_dquots_per_chunk(dqchunklen); |
5857dce9 ES |
1205 | dqid = 0; |
1206 | qbno = NULLFILEOFF; | |
1207 | ||
1208 | while ((qbno = blkmap_next_off(blkmap, qbno, &t)) != NULLFILEOFF) { | |
1209 | xfs_dqblk_t *dqb; | |
1210 | int writebuf = 0; | |
1211 | ||
1212 | fsbno = blkmap_get(blkmap, qbno); | |
1213 | dqid = (xfs_dqid_t)qbno * dqperchunk; | |
1214 | ||
1215 | bp = libxfs_readbuf(mp->m_dev, XFS_FSB_TO_DADDR(mp, fsbno), | |
1216 | dqchunklen, 0, &xfs_dquot_buf_ops); | |
1217 | if (!bp) { | |
1218 | do_warn( | |
1219 | _("cannot read inode %" PRIu64 ", file block %" PRIu64 ", disk block %" PRIu64 "\n"), | |
1220 | lino, qbno, fsbno); | |
1221 | return 1; | |
1222 | } | |
1223 | ||
1224 | dqb = bp->b_addr; | |
1225 | for (i = 0; i < dqperchunk; i++, dqid++, dqb++) { | |
5857dce9 ES |
1226 | int bad_dqb = 0; |
1227 | ||
1228 | /* We only print the first problem we find */ | |
1229 | if (xfs_sb_version_hascrc(&mp->m_sb)) { | |
585acbe8 ES |
1230 | if (!libxfs_verify_cksum((char *)dqb, |
1231 | sizeof(*dqb), | |
5857dce9 ES |
1232 | XFS_DQUOT_CRC_OFF)) { |
1233 | do_warn(_("%s: bad CRC for id %u. "), | |
1234 | quota_string, dqid); | |
1235 | bad_dqb = 1; | |
1236 | goto bad; | |
1237 | } | |
1238 | ||
1239 | if (!uuid_equal(&dqb->dd_uuid, | |
1240 | &mp->m_sb.sb_meta_uuid)) { | |
1241 | do_warn(_("%s: bad UUID for id %u. "), | |
1242 | quota_string, dqid); | |
1243 | bad_dqb = 1; | |
1244 | goto bad; | |
1245 | } | |
1246 | } | |
585acbe8 | 1247 | if (libxfs_dquot_verify(mp, &dqb->dd_diskdq, dqid, |
160942bc | 1248 | quota_type) != NULL) { |
5857dce9 ES |
1249 | do_warn(_("%s: Corrupt quota for id %u. "), |
1250 | quota_string, dqid); | |
1251 | bad_dqb = 1; | |
1252 | } | |
1253 | ||
1254 | bad: | |
1255 | if (bad_dqb) { | |
1256 | if (no_modify) | |
1257 | do_warn(_("Would correct.\n")); | |
1258 | else { | |
1259 | do_warn(_("Corrected.\n")); | |
e1d3178a | 1260 | libxfs_dqblk_repair(mp, dqb, |
585acbe8 | 1261 | dqid, quota_type); |
5857dce9 ES |
1262 | writebuf = 1; |
1263 | } | |
1264 | } | |
1265 | } | |
1266 | ||
1267 | if (writebuf && !no_modify) | |
1268 | libxfs_writebuf(bp, 0); | |
1269 | else | |
1270 | libxfs_putbuf(bp); | |
1271 | } | |
1272 | return 0; | |
1273 | } | |
1274 | ||
2019931a DC |
1275 | static int |
1276 | process_symlink_remote( | |
1277 | struct xfs_mount *mp, | |
1278 | xfs_ino_t lino, | |
1279 | struct xfs_dinode *dino, | |
1280 | struct blkmap *blkmap, | |
1281 | char *dst) | |
1282 | { | |
5a35bf2c | 1283 | xfs_fsblock_t fsbno; |
2019931a DC |
1284 | struct xfs_buf *bp; |
1285 | char *src; | |
1286 | int pathlen; | |
1287 | int offset; | |
1288 | int i; | |
1289 | ||
1290 | offset = 0; | |
1291 | pathlen = be64_to_cpu(dino->di_size); | |
1292 | i = 0; | |
1293 | ||
1294 | while (pathlen > 0) { | |
1295 | int blk_cnt = 1; | |
1296 | int byte_cnt; | |
7cb3f7fe | 1297 | int badcrc = 0; |
2019931a DC |
1298 | |
1299 | fsbno = blkmap_get(blkmap, i); | |
5a35bf2c | 1300 | if (fsbno == NULLFSBLOCK) { |
2019931a DC |
1301 | do_warn( |
1302 | _("cannot read inode %" PRIu64 ", file block %d, NULL disk block\n"), | |
1303 | lino, i); | |
1304 | return 1; | |
1305 | } | |
1306 | ||
1307 | /* | |
1308 | * There's a symlink header for each contiguous extent. If | |
1309 | * there are contiguous blocks, read them in one go. | |
1310 | */ | |
1311 | while (blk_cnt <= max_symlink_blocks) { | |
1312 | if (blkmap_get(blkmap, i + 1) != fsbno + 1) | |
1313 | break; | |
1314 | blk_cnt++; | |
1315 | i++; | |
1316 | } | |
1317 | ||
1318 | byte_cnt = XFS_FSB_TO_B(mp, blk_cnt); | |
1319 | ||
1320 | bp = libxfs_readbuf(mp->m_dev, XFS_FSB_TO_DADDR(mp, fsbno), | |
1321 | BTOBB(byte_cnt), 0, &xfs_symlink_buf_ops); | |
1322 | if (!bp) { | |
1323 | do_warn( | |
1324 | _("cannot read inode %" PRIu64 ", file block %d, disk block %" PRIu64 "\n"), | |
1325 | lino, i, fsbno); | |
1326 | return 1; | |
1327 | } | |
d2be29d4 DW |
1328 | if (bp->b_error == -EFSCORRUPTED) { |
1329 | do_warn( | |
1330 | _("Corrupt symlink remote block %" PRIu64 ", inode %" PRIu64 ".\n"), | |
1331 | fsbno, lino); | |
1332 | libxfs_putbuf(bp); | |
1333 | return 1; | |
1334 | } | |
12b53197 | 1335 | if (bp->b_error == -EFSBADCRC) { |
7cb3f7fe DC |
1336 | do_warn( |
1337 | _("Bad symlink buffer CRC, block %" PRIu64 ", inode %" PRIu64 ".\n" | |
1338 | "Correcting CRC, but symlink may be bad.\n"), fsbno, lino); | |
1339 | badcrc = 1; | |
1340 | } | |
2019931a DC |
1341 | |
1342 | byte_cnt = XFS_SYMLINK_BUF_SPACE(mp, byte_cnt); | |
68d16907 | 1343 | byte_cnt = min(pathlen, byte_cnt); |
2019931a DC |
1344 | |
1345 | src = bp->b_addr; | |
1346 | if (xfs_sb_version_hascrc(&mp->m_sb)) { | |
ff105f75 DC |
1347 | if (!libxfs_symlink_hdr_ok(lino, offset, |
1348 | byte_cnt, bp)) { | |
2019931a DC |
1349 | do_warn( |
1350 | _("bad symlink header ino %" PRIu64 ", file block %d, disk block %" PRIu64 "\n"), | |
1351 | lino, i, fsbno); | |
1352 | libxfs_putbuf(bp); | |
1353 | return 1; | |
1354 | } | |
1355 | src += sizeof(struct xfs_dsymlink_hdr); | |
1356 | } | |
1357 | ||
1358 | memmove(dst + offset, src, byte_cnt); | |
1359 | ||
1360 | pathlen -= byte_cnt; | |
1361 | offset += byte_cnt; | |
1362 | i++; | |
1363 | ||
7cb3f7fe DC |
1364 | if (badcrc && !no_modify) |
1365 | libxfs_writebuf(bp, 0); | |
1366 | else | |
1367 | libxfs_putbuf(bp); | |
2019931a DC |
1368 | } |
1369 | return 0; | |
1370 | } | |
1371 | ||
2bd0ea18 NS |
1372 | /* |
1373 | * like usual, returns 0 if everything's ok and 1 if something's | |
1374 | * bogus | |
1375 | */ | |
8b8a6b02 | 1376 | static int |
0459b626 BN |
1377 | process_symlink( |
1378 | xfs_mount_t *mp, | |
1379 | xfs_ino_t lino, | |
1380 | xfs_dinode_t *dino, | |
1381 | blkmap_t *blkmap) | |
2bd0ea18 | 1382 | { |
2116b6a6 | 1383 | char *symlink; |
5a707ca1 | 1384 | char data[XFS_SYMLINK_MAXLEN]; |
2bd0ea18 NS |
1385 | |
1386 | /* | |
1387 | * check size against kernel symlink limits. we know | |
1388 | * size is consistent with inode storage format -- e.g. | |
1389 | * the inode is structurally ok so we don't have to check | |
1390 | * for that | |
1391 | */ | |
5a707ca1 | 1392 | if (be64_to_cpu(dino->di_size) >= XFS_SYMLINK_MAXLEN) { |
5d1b7f0f CH |
1393 | do_warn(_("symlink in inode %" PRIu64 " too long (%llu chars)\n"), |
1394 | lino, (unsigned long long) be64_to_cpu(dino->di_size)); | |
2bd0ea18 NS |
1395 | return(1); |
1396 | } | |
1397 | ||
948ade75 BF |
1398 | if (be64_to_cpu(dino->di_size) == 0) { |
1399 | do_warn(_("zero size symlink in inode %" PRIu64 "\n"), lino); | |
1400 | return 1; | |
1401 | } | |
1402 | ||
2bd0ea18 NS |
1403 | /* |
1404 | * have to check symlink component by component. | |
1405 | * get symlink contents into data area | |
1406 | */ | |
1407 | symlink = &data[0]; | |
56b2de80 | 1408 | if (be64_to_cpu(dino->di_size) <= XFS_DFORK_DSIZE(dino, mp)) { |
2bd0ea18 NS |
1409 | /* |
1410 | * local symlink, just copy the symlink out of the | |
1411 | * inode into the data area | |
1412 | */ | |
f8149110 | 1413 | memmove(symlink, XFS_DFORK_DPTR(dino), |
56b2de80 | 1414 | be64_to_cpu(dino->di_size)); |
2bd0ea18 | 1415 | } else { |
2019931a | 1416 | int error; |
e0607266 | 1417 | |
2019931a DC |
1418 | error = process_symlink_remote(mp, lino, dino, blkmap, symlink); |
1419 | if (error) | |
1420 | return error; | |
2bd0ea18 | 1421 | } |
2019931a | 1422 | |
56b2de80 | 1423 | data[be64_to_cpu(dino->di_size)] = '\0'; |
2bd0ea18 NS |
1424 | |
1425 | /* | |
1426 | * check for nulls | |
1427 | */ | |
56b2de80 | 1428 | if (null_check(symlink, be64_to_cpu(dino->di_size))) { |
507f4e33 | 1429 | do_warn( |
5d1b7f0f | 1430 | _("found illegal null character in symlink inode %" PRIu64 "\n"), |
2bd0ea18 NS |
1431 | lino); |
1432 | return(1); | |
1433 | } | |
1434 | ||
2bd0ea18 NS |
1435 | return(0); |
1436 | } | |
1437 | ||
1438 | /* | |
1439 | * called to process the set of misc inode special inode types | |
1440 | * that have no associated data storage (fifos, pipes, devices, etc.). | |
1441 | */ | |
0459b626 | 1442 | static int |
2bd0ea18 NS |
1443 | process_misc_ino_types(xfs_mount_t *mp, |
1444 | xfs_dinode_t *dino, | |
1445 | xfs_ino_t lino, | |
1446 | int type) | |
1447 | { | |
1448 | /* | |
1449 | * disallow mountpoint inodes until such time as the | |
1450 | * kernel actually allows them to be created (will | |
1451 | * probably require a superblock version rev, sigh). | |
1452 | */ | |
1453 | if (type == XR_INO_MOUNTPOINT) { | |
5d1b7f0f CH |
1454 | do_warn( |
1455 | _("inode %" PRIu64 " has bad inode type (IFMNT)\n"), lino); | |
2bd0ea18 NS |
1456 | return(1); |
1457 | } | |
1458 | ||
1459 | /* | |
1460 | * must also have a zero size | |
1461 | */ | |
56b2de80 | 1462 | if (be64_to_cpu(dino->di_size) != 0) { |
2bd0ea18 NS |
1463 | switch (type) { |
1464 | case XR_INO_CHRDEV: | |
5d1b7f0f CH |
1465 | do_warn( |
1466 | _("size of character device inode %" PRIu64 " != 0 (%" PRId64 " bytes)\n"), lino, | |
14f8b681 | 1467 | (int64_t)be64_to_cpu(dino->di_size)); |
2bd0ea18 NS |
1468 | break; |
1469 | case XR_INO_BLKDEV: | |
5d1b7f0f CH |
1470 | do_warn( |
1471 | _("size of block device inode %" PRIu64 " != 0 (%" PRId64 " bytes)\n"), lino, | |
14f8b681 | 1472 | (int64_t)be64_to_cpu(dino->di_size)); |
2bd0ea18 NS |
1473 | break; |
1474 | case XR_INO_SOCK: | |
5d1b7f0f CH |
1475 | do_warn( |
1476 | _("size of socket inode %" PRIu64 " != 0 (%" PRId64 " bytes)\n"), lino, | |
14f8b681 | 1477 | (int64_t)be64_to_cpu(dino->di_size)); |
2bd0ea18 NS |
1478 | break; |
1479 | case XR_INO_FIFO: | |
5d1b7f0f CH |
1480 | do_warn( |
1481 | _("size of fifo inode %" PRIu64 " != 0 (%" PRId64 " bytes)\n"), lino, | |
14f8b681 | 1482 | (int64_t)be64_to_cpu(dino->di_size)); |
2bd0ea18 | 1483 | break; |
5857dce9 ES |
1484 | case XR_INO_UQUOTA: |
1485 | case XR_INO_GQUOTA: | |
1486 | case XR_INO_PQUOTA: | |
1487 | do_warn( | |
1488 | _("size of quota inode %" PRIu64 " != 0 (%" PRId64 " bytes)\n"), lino, | |
1489 | (int64_t)be64_to_cpu(dino->di_size)); | |
1490 | break; | |
2bd0ea18 | 1491 | default: |
507f4e33 NS |
1492 | do_warn(_("Internal error - process_misc_ino_types, " |
1493 | "illegal type %d\n"), type); | |
2bd0ea18 NS |
1494 | abort(); |
1495 | } | |
1496 | ||
1497 | return(1); | |
1498 | } | |
1499 | ||
1500 | return(0); | |
1501 | } | |
1502 | ||
5e656dbb | 1503 | static int |
5a35bf2c | 1504 | process_misc_ino_types_blocks(xfs_rfsblock_t totblocks, xfs_ino_t lino, int type) |
2bd0ea18 NS |
1505 | { |
1506 | /* | |
1507 | * you can not enforce all misc types have zero data fork blocks | |
56b2de80 | 1508 | * by checking dino->di_nblocks because atotblocks (attribute |
2bd0ea18 | 1509 | * blocks) are part of nblocks. We must check this later when atotblocks |
dfc130f3 | 1510 | * has been calculated or by doing a simple check that anExtents == 0. |
2bd0ea18 NS |
1511 | * We must also guarantee that totblocks is 0. Thus nblocks checking |
1512 | * will be done later in process_dinode_int for misc types. | |
1513 | */ | |
1514 | ||
1515 | if (totblocks != 0) { | |
1516 | switch (type) { | |
1517 | case XR_INO_CHRDEV: | |
1518 | do_warn( | |
5d1b7f0f | 1519 | _("size of character device inode %" PRIu64 " != 0 (%" PRIu64 " blocks)\n"), |
2bd0ea18 NS |
1520 | lino, totblocks); |
1521 | break; | |
1522 | case XR_INO_BLKDEV: | |
1523 | do_warn( | |
5d1b7f0f | 1524 | _("size of block device inode %" PRIu64 " != 0 (%" PRIu64 " blocks)\n"), |
2bd0ea18 NS |
1525 | lino, totblocks); |
1526 | break; | |
1527 | case XR_INO_SOCK: | |
1528 | do_warn( | |
5d1b7f0f | 1529 | _("size of socket inode %" PRIu64 " != 0 (%" PRIu64 " blocks)\n"), |
2bd0ea18 NS |
1530 | lino, totblocks); |
1531 | break; | |
1532 | case XR_INO_FIFO: | |
1533 | do_warn( | |
5d1b7f0f | 1534 | _("size of fifo inode %" PRIu64 " != 0 (%" PRIu64 " blocks)\n"), |
2bd0ea18 NS |
1535 | lino, totblocks); |
1536 | break; | |
1537 | default: | |
1538 | return(0); | |
1539 | } | |
1540 | return(1); | |
1541 | } | |
1542 | return (0); | |
1543 | } | |
1544 | ||
0459b626 BN |
1545 | static inline int |
1546 | dinode_fmt( | |
56b2de80 | 1547 | xfs_dinode_t *dino) |
2bd0ea18 | 1548 | { |
56b2de80 | 1549 | return be16_to_cpu(dino->di_mode) & S_IFMT; |
0459b626 | 1550 | } |
2bd0ea18 | 1551 | |
0459b626 BN |
1552 | static inline void |
1553 | change_dinode_fmt( | |
56b2de80 | 1554 | xfs_dinode_t *dino, |
0459b626 BN |
1555 | int new_fmt) |
1556 | { | |
56b2de80 | 1557 | int mode = be16_to_cpu(dino->di_mode); |
2bd0ea18 | 1558 | |
0459b626 | 1559 | ASSERT((new_fmt & ~S_IFMT) == 0); |
2bd0ea18 | 1560 | |
0459b626 BN |
1561 | mode &= ~S_IFMT; |
1562 | mode |= new_fmt; | |
56b2de80 | 1563 | dino->di_mode = cpu_to_be16(mode); |
0459b626 BN |
1564 | } |
1565 | ||
1566 | static int | |
1567 | check_dinode_mode_format( | |
56b2de80 | 1568 | xfs_dinode_t *dinoc) |
0459b626 | 1569 | { |
5e656dbb | 1570 | if (dinoc->di_format >= XFS_DINODE_FMT_UUID) |
0459b626 BN |
1571 | return -1; /* FMT_UUID is not used */ |
1572 | ||
1573 | switch (dinode_fmt(dinoc)) { | |
1574 | case S_IFIFO: | |
1575 | case S_IFCHR: | |
1576 | case S_IFBLK: | |
1577 | case S_IFSOCK: | |
1578 | return (dinoc->di_format != XFS_DINODE_FMT_DEV) ? -1 : 0; | |
1579 | ||
1580 | case S_IFDIR: | |
1581 | return (dinoc->di_format < XFS_DINODE_FMT_LOCAL || | |
1582 | dinoc->di_format > XFS_DINODE_FMT_BTREE) ? -1 : 0; | |
1583 | ||
1584 | case S_IFREG: | |
1585 | return (dinoc->di_format < XFS_DINODE_FMT_EXTENTS || | |
1586 | dinoc->di_format > XFS_DINODE_FMT_BTREE) ? -1 : 0; | |
1587 | ||
1588 | case S_IFLNK: | |
1589 | return (dinoc->di_format < XFS_DINODE_FMT_LOCAL || | |
1590 | dinoc->di_format > XFS_DINODE_FMT_EXTENTS) ? -1 : 0; | |
1591 | ||
1592 | default: ; | |
1593 | } | |
1594 | return 0; /* invalid modes are checked elsewhere */ | |
1595 | } | |
1596 | ||
1597 | /* | |
1598 | * If inode is a superblock inode, does type check to make sure is it valid. | |
1599 | * Returns 0 if it's valid, non-zero if it needs to be cleared. | |
1600 | */ | |
1601 | ||
1602 | static int | |
1603 | process_check_sb_inodes( | |
1604 | xfs_mount_t *mp, | |
56b2de80 | 1605 | xfs_dinode_t *dinoc, |
0459b626 BN |
1606 | xfs_ino_t lino, |
1607 | int *type, | |
1608 | int *dirty) | |
1609 | { | |
1610 | if (lino == mp->m_sb.sb_rootino) { | |
5857dce9 | 1611 | if (*type != XR_INO_DIR) { |
5d1b7f0f | 1612 | do_warn(_("root inode %" PRIu64 " has bad type 0x%x\n"), |
0459b626 BN |
1613 | lino, dinode_fmt(dinoc)); |
1614 | *type = XR_INO_DIR; | |
2bd0ea18 | 1615 | if (!no_modify) { |
0459b626 BN |
1616 | do_warn(_("resetting to directory\n")); |
1617 | change_dinode_fmt(dinoc, S_IFDIR); | |
2bd0ea18 | 1618 | *dirty = 1; |
0459b626 BN |
1619 | } else |
1620 | do_warn(_("would reset to directory\n")); | |
2bd0ea18 | 1621 | } |
0459b626 | 1622 | return 0; |
2bd0ea18 | 1623 | } |
0459b626 | 1624 | if (lino == mp->m_sb.sb_uquotino) { |
5857dce9 | 1625 | if (*type != XR_INO_UQUOTA) { |
5d1b7f0f | 1626 | do_warn(_("user quota inode %" PRIu64 " has bad type 0x%x\n"), |
0459b626 BN |
1627 | lino, dinode_fmt(dinoc)); |
1628 | mp->m_sb.sb_uquotino = NULLFSINO; | |
1629 | return 1; | |
1630 | } | |
1631 | return 0; | |
1632 | } | |
1633 | if (lino == mp->m_sb.sb_gquotino) { | |
5857dce9 | 1634 | if (*type != XR_INO_GQUOTA) { |
5d1b7f0f | 1635 | do_warn(_("group quota inode %" PRIu64 " has bad type 0x%x\n"), |
0459b626 BN |
1636 | lino, dinode_fmt(dinoc)); |
1637 | mp->m_sb.sb_gquotino = NULLFSINO; | |
1638 | return 1; | |
1639 | } | |
1640 | return 0; | |
1641 | } | |
0340d706 | 1642 | if (lino == mp->m_sb.sb_pquotino) { |
5857dce9 | 1643 | if (*type != XR_INO_PQUOTA) { |
0340d706 CS |
1644 | do_warn(_("project quota inode %" PRIu64 " has bad type 0x%x\n"), |
1645 | lino, dinode_fmt(dinoc)); | |
1646 | mp->m_sb.sb_pquotino = NULLFSINO; | |
1647 | return 1; | |
1648 | } | |
1649 | return 0; | |
1650 | } | |
0459b626 BN |
1651 | if (lino == mp->m_sb.sb_rsumino) { |
1652 | if (*type != XR_INO_RTSUM) { | |
5d1b7f0f CH |
1653 | do_warn( |
1654 | _("realtime summary inode %" PRIu64 " has bad type 0x%x, "), | |
0459b626 | 1655 | lino, dinode_fmt(dinoc)); |
2bd0ea18 | 1656 | if (!no_modify) { |
0459b626 BN |
1657 | do_warn(_("resetting to regular file\n")); |
1658 | change_dinode_fmt(dinoc, S_IFREG); | |
2bd0ea18 | 1659 | *dirty = 1; |
2bd0ea18 | 1660 | } else { |
0459b626 | 1661 | do_warn(_("would reset to regular file\n")); |
2bd0ea18 | 1662 | } |
2bd0ea18 | 1663 | } |
0459b626 | 1664 | if (mp->m_sb.sb_rblocks == 0 && dinoc->di_nextents != 0) { |
5d1b7f0f CH |
1665 | do_warn( |
1666 | _("bad # of extents (%u) for realtime summary inode %" PRIu64 "\n"), | |
0459b626 BN |
1667 | be32_to_cpu(dinoc->di_nextents), lino); |
1668 | return 1; | |
1669 | } | |
1670 | return 0; | |
2bd0ea18 | 1671 | } |
0459b626 BN |
1672 | if (lino == mp->m_sb.sb_rbmino) { |
1673 | if (*type != XR_INO_RTBITMAP) { | |
5d1b7f0f CH |
1674 | do_warn( |
1675 | _("realtime bitmap inode %" PRIu64 " has bad type 0x%x, "), | |
0459b626 | 1676 | lino, dinode_fmt(dinoc)); |
2bd0ea18 | 1677 | if (!no_modify) { |
0459b626 BN |
1678 | do_warn(_("resetting to regular file\n")); |
1679 | change_dinode_fmt(dinoc, S_IFREG); | |
2bd0ea18 | 1680 | *dirty = 1; |
0459b626 BN |
1681 | } else { |
1682 | do_warn(_("would reset to regular file\n")); | |
2bd0ea18 | 1683 | } |
2bd0ea18 | 1684 | } |
0459b626 | 1685 | if (mp->m_sb.sb_rblocks == 0 && dinoc->di_nextents != 0) { |
5d1b7f0f CH |
1686 | do_warn( |
1687 | _("bad # of extents (%u) for realtime bitmap inode %" PRIu64 "\n"), | |
0459b626 BN |
1688 | be32_to_cpu(dinoc->di_nextents), lino); |
1689 | return 1; | |
2bd0ea18 | 1690 | } |
0459b626 BN |
1691 | return 0; |
1692 | } | |
1693 | return 0; | |
1694 | } | |
2bd0ea18 | 1695 | |
0459b626 BN |
1696 | /* |
1697 | * general size/consistency checks: | |
1698 | * | |
1699 | * if the size <= size of the data fork, directories must be | |
1700 | * local inodes unlike regular files which would be extent inodes. | |
1701 | * all the other mentioned types have to have a zero size value. | |
1702 | * | |
1703 | * if the size and format don't match, get out now rather than | |
1704 | * risk trying to process a non-existent extents or btree | |
1705 | * type data fork. | |
1706 | */ | |
1707 | static int | |
1708 | process_check_inode_sizes( | |
1709 | xfs_mount_t *mp, | |
1710 | xfs_dinode_t *dino, | |
1711 | xfs_ino_t lino, | |
1712 | int type) | |
1713 | { | |
56b2de80 | 1714 | xfs_fsize_t size = be64_to_cpu(dino->di_size); |
2bd0ea18 | 1715 | |
0459b626 | 1716 | switch (type) { |
2bd0ea18 | 1717 | |
0459b626 BN |
1718 | case XR_INO_DIR: |
1719 | if (size <= XFS_DFORK_DSIZE(dino, mp) && | |
56b2de80 | 1720 | dino->di_format != XFS_DINODE_FMT_LOCAL) { |
5d1b7f0f CH |
1721 | do_warn( |
1722 | _("mismatch between format (%d) and size (%" PRId64 ") in directory ino %" PRIu64 "\n"), | |
56b2de80 | 1723 | dino->di_format, size, lino); |
0459b626 | 1724 | return 1; |
2bd0ea18 | 1725 | } |
42237e34 | 1726 | if (size > XFS_DIR2_LEAF_OFFSET) { |
5d1b7f0f CH |
1727 | do_warn( |
1728 | _("directory inode %" PRIu64 " has bad size %" PRId64 "\n"), | |
42237e34 BN |
1729 | lino, size); |
1730 | return 1; | |
1731 | } | |
0459b626 | 1732 | break; |
2bd0ea18 | 1733 | |
0459b626 BN |
1734 | case XR_INO_SYMLINK: |
1735 | if (process_symlink_extlist(mp, lino, dino)) { | |
5d1b7f0f | 1736 | do_warn(_("bad data fork in symlink %" PRIu64 "\n"), lino); |
0459b626 BN |
1737 | return 1; |
1738 | } | |
1739 | break; | |
2bd0ea18 | 1740 | |
0459b626 BN |
1741 | case XR_INO_CHRDEV: /* fall through to FIFO case ... */ |
1742 | case XR_INO_BLKDEV: /* fall through to FIFO case ... */ | |
1743 | case XR_INO_SOCK: /* fall through to FIFO case ... */ | |
1744 | case XR_INO_MOUNTPOINT: /* fall through to FIFO case ... */ | |
1745 | case XR_INO_FIFO: | |
1746 | if (process_misc_ino_types(mp, dino, lino, type)) | |
1747 | return 1; | |
1748 | break; | |
2bd0ea18 | 1749 | |
5857dce9 ES |
1750 | case XR_INO_UQUOTA: |
1751 | case XR_INO_GQUOTA: | |
1752 | case XR_INO_PQUOTA: | |
1753 | /* Quota inodes have same restrictions as above types */ | |
1754 | if (process_misc_ino_types(mp, dino, lino, type)) | |
1755 | return 1; | |
1756 | break; | |
1757 | ||
0459b626 BN |
1758 | case XR_INO_RTDATA: |
1759 | /* | |
1760 | * if we have no realtime blocks, any inode claiming | |
1761 | * to be a real-time file is bogus | |
1762 | */ | |
1763 | if (mp->m_sb.sb_rblocks == 0) { | |
5d1b7f0f CH |
1764 | do_warn( |
1765 | _("found inode %" PRIu64 " claiming to be a real-time file\n"), lino); | |
0459b626 | 1766 | return 1; |
2bd0ea18 | 1767 | } |
0459b626 | 1768 | break; |
2bd0ea18 | 1769 | |
0459b626 | 1770 | case XR_INO_RTBITMAP: |
14f8b681 | 1771 | if (size != (int64_t)mp->m_sb.sb_rbmblocks * |
0459b626 | 1772 | mp->m_sb.sb_blocksize) { |
5d1b7f0f CH |
1773 | do_warn( |
1774 | _("realtime bitmap inode %" PRIu64 " has bad size %" PRId64 " (should be %" PRIu64 ")\n"), | |
1775 | lino, size, | |
14f8b681 | 1776 | (int64_t) mp->m_sb.sb_rbmblocks * |
0459b626 BN |
1777 | mp->m_sb.sb_blocksize); |
1778 | return 1; | |
1779 | } | |
1780 | break; | |
2bd0ea18 | 1781 | |
0459b626 BN |
1782 | case XR_INO_RTSUM: |
1783 | if (size != mp->m_rsumsize) { | |
5d1b7f0f CH |
1784 | do_warn( |
1785 | _("realtime summary inode %" PRIu64 " has bad size %" PRId64 " (should be %d)\n"), | |
0459b626 BN |
1786 | lino, size, mp->m_rsumsize); |
1787 | return 1; | |
1788 | } | |
1789 | break; | |
2bd0ea18 | 1790 | |
0459b626 BN |
1791 | default: |
1792 | break; | |
1793 | } | |
1794 | return 0; | |
1795 | } | |
2bd0ea18 | 1796 | |
0459b626 BN |
1797 | /* |
1798 | * check for illegal values of forkoff | |
1799 | */ | |
1800 | static int | |
1801 | process_check_inode_forkoff( | |
1802 | xfs_mount_t *mp, | |
56b2de80 | 1803 | xfs_dinode_t *dino, |
0459b626 BN |
1804 | xfs_ino_t lino) |
1805 | { | |
56b2de80 | 1806 | if (dino->di_forkoff == 0) |
0459b626 | 1807 | return 0; |
2bd0ea18 | 1808 | |
56b2de80 | 1809 | switch (dino->di_format) { |
0459b626 | 1810 | case XFS_DINODE_FMT_DEV: |
56b2de80 | 1811 | if (dino->di_forkoff != (roundup(sizeof(xfs_dev_t), 8) >> 3)) { |
5d1b7f0f CH |
1812 | do_warn( |
1813 | _("bad attr fork offset %d in dev inode %" PRIu64 ", should be %d\n"), | |
1814 | dino->di_forkoff, lino, | |
0459b626 BN |
1815 | (int)(roundup(sizeof(xfs_dev_t), 8) >> 3)); |
1816 | return 1; | |
1817 | } | |
2bd0ea18 | 1818 | break; |
0459b626 BN |
1819 | case XFS_DINODE_FMT_LOCAL: /* fall through ... */ |
1820 | case XFS_DINODE_FMT_EXTENTS: /* fall through ... */ | |
1821 | case XFS_DINODE_FMT_BTREE: | |
49f693fa DC |
1822 | if (dino->di_forkoff >= |
1823 | (XFS_LITINO(mp, dino->di_version) >> 3)) { | |
5d1b7f0f CH |
1824 | do_warn( |
1825 | _("bad attr fork offset %d in inode %" PRIu64 ", max=%d\n"), | |
1826 | dino->di_forkoff, lino, | |
49f693fa | 1827 | XFS_LITINO(mp, dino->di_version) >> 3); |
0459b626 BN |
1828 | return 1; |
1829 | } | |
2bd0ea18 | 1830 | break; |
2bd0ea18 | 1831 | default: |
56b2de80 | 1832 | do_error(_("unexpected inode format %d\n"), dino->di_format); |
0459b626 | 1833 | break; |
2bd0ea18 | 1834 | } |
0459b626 BN |
1835 | return 0; |
1836 | } | |
2bd0ea18 | 1837 | |
0459b626 BN |
1838 | /* |
1839 | * Updates the inodes block and extent counts if they are wrong | |
1840 | */ | |
1841 | static int | |
1842 | process_inode_blocks_and_extents( | |
56b2de80 | 1843 | xfs_dinode_t *dino, |
5a35bf2c | 1844 | xfs_rfsblock_t nblocks, |
14f8b681 DW |
1845 | uint64_t nextents, |
1846 | uint64_t anextents, | |
0459b626 BN |
1847 | xfs_ino_t lino, |
1848 | int *dirty) | |
1849 | { | |
56b2de80 | 1850 | if (nblocks != be64_to_cpu(dino->di_nblocks)) { |
2bd0ea18 | 1851 | if (!no_modify) { |
5d1b7f0f CH |
1852 | do_warn( |
1853 | _("correcting nblocks for inode %" PRIu64 ", was %llu - counted %" PRIu64 "\n"), lino, | |
1854 | (unsigned long long) be64_to_cpu(dino->di_nblocks), | |
1855 | nblocks); | |
56b2de80 | 1856 | dino->di_nblocks = cpu_to_be64(nblocks); |
0459b626 | 1857 | *dirty = 1; |
2bd0ea18 | 1858 | } else { |
5d1b7f0f CH |
1859 | do_warn( |
1860 | _("bad nblocks %llu for inode %" PRIu64 ", would reset to %" PRIu64 "\n"), | |
1861 | (unsigned long long) be64_to_cpu(dino->di_nblocks), | |
1862 | lino, nblocks); | |
2bd0ea18 NS |
1863 | } |
1864 | } | |
1865 | ||
0459b626 | 1866 | if (nextents > MAXEXTNUM) { |
5d1b7f0f CH |
1867 | do_warn( |
1868 | _("too many data fork extents (%" PRIu64 ") in inode %" PRIu64 "\n"), | |
0459b626 BN |
1869 | nextents, lino); |
1870 | return 1; | |
1871 | } | |
56b2de80 | 1872 | if (nextents != be32_to_cpu(dino->di_nextents)) { |
2bd0ea18 | 1873 | if (!no_modify) { |
5d1b7f0f CH |
1874 | do_warn( |
1875 | _("correcting nextents for inode %" PRIu64 ", was %d - counted %" PRIu64 "\n"), | |
1876 | lino, | |
1877 | be32_to_cpu(dino->di_nextents), | |
1878 | nextents); | |
56b2de80 | 1879 | dino->di_nextents = cpu_to_be32(nextents); |
0459b626 | 1880 | *dirty = 1; |
2bd0ea18 | 1881 | } else { |
5d1b7f0f CH |
1882 | do_warn( |
1883 | _("bad nextents %d for inode %" PRIu64 ", would reset to %" PRIu64 "\n"), | |
1884 | be32_to_cpu(dino->di_nextents), | |
0459b626 | 1885 | lino, nextents); |
2bd0ea18 NS |
1886 | } |
1887 | } | |
1888 | ||
0459b626 | 1889 | if (anextents > MAXAEXTNUM) { |
5d1b7f0f CH |
1890 | do_warn( |
1891 | _("too many attr fork extents (%" PRIu64 ") in inode %" PRIu64 "\n"), | |
0459b626 BN |
1892 | anextents, lino); |
1893 | return 1; | |
2bd0ea18 | 1894 | } |
56b2de80 | 1895 | if (anextents != be16_to_cpu(dino->di_anextents)) { |
2bd0ea18 | 1896 | if (!no_modify) { |
5d1b7f0f CH |
1897 | do_warn( |
1898 | _("correcting anextents for inode %" PRIu64 ", was %d - counted %" PRIu64 "\n"), | |
1899 | lino, | |
56b2de80 DC |
1900 | be16_to_cpu(dino->di_anextents), anextents); |
1901 | dino->di_anextents = cpu_to_be16(anextents); | |
0459b626 BN |
1902 | *dirty = 1; |
1903 | } else { | |
5d1b7f0f CH |
1904 | do_warn( |
1905 | _("bad anextents %d for inode %" PRIu64 ", would reset to %" PRIu64 "\n"), | |
1906 | be16_to_cpu(dino->di_anextents), | |
0459b626 | 1907 | lino, anextents); |
2bd0ea18 | 1908 | } |
2bd0ea18 | 1909 | } |
e1f43b4c CH |
1910 | |
1911 | /* | |
1912 | * We are comparing different units here, but that's fine given that | |
1913 | * an extent has to have at least a block in it. | |
1914 | */ | |
1915 | if (nblocks < nextents + anextents) { | |
1916 | do_warn( | |
1917 | _("nblocks (%" PRIu64 ") smaller than nextents for inode %" PRIu64 "\n"), nblocks, lino); | |
1918 | return 1; | |
1919 | } | |
1920 | ||
0459b626 BN |
1921 | return 0; |
1922 | } | |
2bd0ea18 | 1923 | |
0459b626 BN |
1924 | /* |
1925 | * check data fork -- if it's bad, clear the inode | |
1926 | */ | |
1927 | static int | |
1928 | process_inode_data_fork( | |
1929 | xfs_mount_t *mp, | |
1930 | xfs_agnumber_t agno, | |
1931 | xfs_agino_t ino, | |
1932 | xfs_dinode_t *dino, | |
1933 | int type, | |
1934 | int *dirty, | |
5a35bf2c | 1935 | xfs_rfsblock_t *totblocks, |
14f8b681 | 1936 | uint64_t *nextents, |
0459b626 BN |
1937 | blkmap_t **dblkmap, |
1938 | int check_dups) | |
1939 | { | |
0459b626 BN |
1940 | xfs_ino_t lino = XFS_AGINO_TO_INO(mp, agno, ino); |
1941 | int err = 0; | |
5fa28531 DC |
1942 | int nex; |
1943 | ||
1944 | /* | |
1945 | * extent count on disk is only valid for positive values. The kernel | |
1946 | * uses negative values in memory. hence if we see negative numbers | |
1947 | * here, trash it! | |
1948 | */ | |
1949 | nex = be32_to_cpu(dino->di_nextents); | |
1950 | if (nex < 0) | |
1951 | *nextents = 1; | |
1952 | else | |
1953 | *nextents = nex; | |
2bd0ea18 | 1954 | |
56b2de80 | 1955 | if (*nextents > be64_to_cpu(dino->di_nblocks)) |
0459b626 | 1956 | *nextents = 1; |
2bd0ea18 | 1957 | |
5fa28531 | 1958 | |
56b2de80 | 1959 | if (dino->di_format != XFS_DINODE_FMT_LOCAL && type != XR_INO_RTDATA) |
610f3285 | 1960 | *dblkmap = blkmap_alloc(*nextents, XFS_DATA_FORK); |
0459b626 | 1961 | *nextents = 0; |
2bd0ea18 | 1962 | |
56b2de80 | 1963 | switch (dino->di_format) { |
2bd0ea18 | 1964 | case XFS_DINODE_FMT_LOCAL: |
5e656dbb BN |
1965 | err = process_lclinode(mp, agno, ino, dino, XFS_DATA_FORK); |
1966 | *totblocks = 0; | |
2bd0ea18 NS |
1967 | break; |
1968 | case XFS_DINODE_FMT_EXTENTS: | |
0459b626 BN |
1969 | err = process_exinode(mp, agno, ino, dino, type, dirty, |
1970 | totblocks, nextents, dblkmap, XFS_DATA_FORK, | |
1971 | check_dups); | |
2bd0ea18 NS |
1972 | break; |
1973 | case XFS_DINODE_FMT_BTREE: | |
0459b626 BN |
1974 | err = process_btinode(mp, agno, ino, dino, type, dirty, |
1975 | totblocks, nextents, dblkmap, XFS_DATA_FORK, | |
1976 | check_dups); | |
2bd0ea18 NS |
1977 | break; |
1978 | case XFS_DINODE_FMT_DEV: /* fall through */ | |
2bd0ea18 NS |
1979 | err = 0; |
1980 | break; | |
1981 | default: | |
5d1b7f0f | 1982 | do_error(_("unknown format %d, ino %" PRIu64 " (mode = %d)\n"), |
56b2de80 | 1983 | dino->di_format, lino, be16_to_cpu(dino->di_mode)); |
2bd0ea18 NS |
1984 | } |
1985 | ||
1986 | if (err) { | |
5d1b7f0f | 1987 | do_warn(_("bad data fork in inode %" PRIu64 "\n"), lino); |
2bd0ea18 | 1988 | if (!no_modify) { |
0724d0f4 ES |
1989 | clear_dinode(mp, dino, lino); |
1990 | *dirty += 1; | |
2bd0ea18 | 1991 | } |
0459b626 | 1992 | return 1; |
2bd0ea18 NS |
1993 | } |
1994 | ||
1995 | if (check_dups) { | |
1996 | /* | |
1997 | * if check_dups was non-zero, we have to | |
1998 | * re-process data fork to set bitmap since the | |
1999 | * bitmap wasn't set the first time through | |
2000 | */ | |
56b2de80 | 2001 | switch (dino->di_format) { |
2bd0ea18 | 2002 | case XFS_DINODE_FMT_LOCAL: |
f8149110 | 2003 | err = process_lclinode(mp, agno, ino, dino, |
5e656dbb | 2004 | XFS_DATA_FORK); |
2bd0ea18 NS |
2005 | break; |
2006 | case XFS_DINODE_FMT_EXTENTS: | |
2007 | err = process_exinode(mp, agno, ino, dino, type, | |
0459b626 | 2008 | dirty, totblocks, nextents, dblkmap, |
2bd0ea18 NS |
2009 | XFS_DATA_FORK, 0); |
2010 | break; | |
2011 | case XFS_DINODE_FMT_BTREE: | |
2012 | err = process_btinode(mp, agno, ino, dino, type, | |
0459b626 | 2013 | dirty, totblocks, nextents, dblkmap, |
2bd0ea18 NS |
2014 | XFS_DATA_FORK, 0); |
2015 | break; | |
2016 | case XFS_DINODE_FMT_DEV: /* fall through */ | |
2bd0ea18 NS |
2017 | err = 0; |
2018 | break; | |
2019 | default: | |
5d1b7f0f | 2020 | do_error(_("unknown format %d, ino %" PRIu64 " (mode = %d)\n"), |
56b2de80 DC |
2021 | dino->di_format, lino, |
2022 | be16_to_cpu(dino->di_mode)); | |
2bd0ea18 NS |
2023 | } |
2024 | ||
0459b626 BN |
2025 | if (no_modify && err != 0) |
2026 | return 1; | |
2bd0ea18 NS |
2027 | |
2028 | ASSERT(err == 0); | |
2029 | } | |
0459b626 BN |
2030 | return 0; |
2031 | } | |
2bd0ea18 | 2032 | |
0459b626 BN |
2033 | /* |
2034 | * Process extended attribute fork in inode | |
2035 | */ | |
2036 | static int | |
2037 | process_inode_attr_fork( | |
2038 | xfs_mount_t *mp, | |
2039 | xfs_agnumber_t agno, | |
2040 | xfs_agino_t ino, | |
2041 | xfs_dinode_t *dino, | |
2042 | int type, | |
2043 | int *dirty, | |
5a35bf2c | 2044 | xfs_rfsblock_t *atotblocks, |
14f8b681 | 2045 | uint64_t *anextents, |
0459b626 BN |
2046 | int check_dups, |
2047 | int extra_attr_check, | |
2048 | int *retval) | |
2049 | { | |
0459b626 BN |
2050 | xfs_ino_t lino = XFS_AGINO_TO_INO(mp, agno, ino); |
2051 | blkmap_t *ablkmap = NULL; | |
2052 | int repair = 0; | |
2053 | int err; | |
2054 | ||
2055 | if (!XFS_DFORK_Q(dino)) { | |
2056 | *anextents = 0; | |
56b2de80 | 2057 | if (dino->di_aformat != XFS_DINODE_FMT_EXTENTS) { |
5d1b7f0f | 2058 | do_warn(_("bad attribute format %d in inode %" PRIu64 ", "), |
56b2de80 | 2059 | dino->di_aformat, lino); |
0459b626 BN |
2060 | if (!no_modify) { |
2061 | do_warn(_("resetting value\n")); | |
56b2de80 | 2062 | dino->di_aformat = XFS_DINODE_FMT_EXTENTS; |
0459b626 BN |
2063 | *dirty = 1; |
2064 | } else | |
2065 | do_warn(_("would reset value\n")); | |
2066 | } | |
2067 | return 0; | |
2068 | } | |
2bd0ea18 | 2069 | |
56b2de80 DC |
2070 | *anextents = be16_to_cpu(dino->di_anextents); |
2071 | if (*anextents > be64_to_cpu(dino->di_nblocks)) | |
0459b626 BN |
2072 | *anextents = 1; |
2073 | ||
56b2de80 | 2074 | switch (dino->di_aformat) { |
0459b626 BN |
2075 | case XFS_DINODE_FMT_LOCAL: |
2076 | *anextents = 0; | |
5e656dbb BN |
2077 | *atotblocks = 0; |
2078 | err = process_lclinode(mp, agno, ino, dino, XFS_ATTR_FORK); | |
0459b626 BN |
2079 | break; |
2080 | case XFS_DINODE_FMT_EXTENTS: | |
610f3285 | 2081 | ablkmap = blkmap_alloc(*anextents, XFS_ATTR_FORK); |
0459b626 BN |
2082 | *anextents = 0; |
2083 | err = process_exinode(mp, agno, ino, dino, type, dirty, | |
2084 | atotblocks, anextents, &ablkmap, | |
2bd0ea18 | 2085 | XFS_ATTR_FORK, check_dups); |
0459b626 BN |
2086 | break; |
2087 | case XFS_DINODE_FMT_BTREE: | |
610f3285 | 2088 | ablkmap = blkmap_alloc(*anextents, XFS_ATTR_FORK); |
0459b626 BN |
2089 | *anextents = 0; |
2090 | err = process_btinode(mp, agno, ino, dino, type, dirty, | |
2091 | atotblocks, anextents, &ablkmap, | |
2bd0ea18 | 2092 | XFS_ATTR_FORK, check_dups); |
0459b626 BN |
2093 | break; |
2094 | default: | |
5d1b7f0f | 2095 | do_warn(_("illegal attribute format %d, ino %" PRIu64 "\n"), |
56b2de80 | 2096 | dino->di_aformat, lino); |
0459b626 BN |
2097 | err = 1; |
2098 | break; | |
2099 | } | |
2bd0ea18 | 2100 | |
0459b626 BN |
2101 | if (err) { |
2102 | /* | |
2103 | * clear the attribute fork if necessary. we can't | |
2104 | * clear the inode because we've already put the | |
2105 | * inode space info into the blockmap. | |
2106 | * | |
2107 | * XXX - put the inode onto the "move it" list and | |
2108 | * log the the attribute scrubbing | |
2109 | */ | |
5d1b7f0f | 2110 | do_warn(_("bad attribute fork in inode %" PRIu64), lino); |
2bd0ea18 | 2111 | |
0459b626 | 2112 | if (!no_modify) { |
28a4f9c0 ES |
2113 | do_warn(_(", clearing attr fork\n")); |
2114 | *dirty += clear_dinode_attr(mp, dino, lino); | |
2115 | dino->di_aformat = XFS_DINODE_FMT_LOCAL; | |
0459b626 BN |
2116 | ASSERT(*dirty > 0); |
2117 | } else { | |
2118 | do_warn(_(", would clear attr fork\n")); | |
2bd0ea18 NS |
2119 | } |
2120 | ||
0459b626 BN |
2121 | *atotblocks = 0; |
2122 | *anextents = 0; | |
2bd0ea18 | 2123 | blkmap_free(ablkmap); |
0459b626 | 2124 | *retval = 1; |
2bd0ea18 | 2125 | |
28a4f9c0 | 2126 | return 0; |
2bd0ea18 NS |
2127 | } |
2128 | ||
0459b626 | 2129 | if (check_dups) { |
56b2de80 | 2130 | switch (dino->di_aformat) { |
0459b626 | 2131 | case XFS_DINODE_FMT_LOCAL: |
f8149110 | 2132 | err = process_lclinode(mp, agno, ino, dino, |
5e656dbb | 2133 | XFS_ATTR_FORK); |
0459b626 BN |
2134 | break; |
2135 | case XFS_DINODE_FMT_EXTENTS: | |
2136 | err = process_exinode(mp, agno, ino, dino, | |
2137 | type, dirty, atotblocks, anextents, | |
2138 | &ablkmap, XFS_ATTR_FORK, 0); | |
2139 | break; | |
2140 | case XFS_DINODE_FMT_BTREE: | |
2141 | err = process_btinode(mp, agno, ino, dino, | |
2142 | type, dirty, atotblocks, anextents, | |
2143 | &ablkmap, XFS_ATTR_FORK, 0); | |
2144 | break; | |
2145 | default: | |
5d1b7f0f | 2146 | do_error(_("illegal attribute fmt %d, ino %" PRIu64 "\n"), |
56b2de80 | 2147 | dino->di_aformat, lino); |
2bd0ea18 | 2148 | } |
2bd0ea18 | 2149 | |
0459b626 BN |
2150 | if (no_modify && err != 0) { |
2151 | blkmap_free(ablkmap); | |
2152 | return 1; | |
2bd0ea18 | 2153 | } |
2bd0ea18 | 2154 | |
0459b626 | 2155 | ASSERT(err == 0); |
2bd0ea18 NS |
2156 | } |
2157 | ||
0459b626 BN |
2158 | /* |
2159 | * do attribute semantic-based consistency checks now | |
2160 | */ | |
2bd0ea18 | 2161 | |
0459b626 BN |
2162 | /* get this only in phase 3, not in both phase 3 and 4 */ |
2163 | if (extra_attr_check && | |
2164 | process_attributes(mp, lino, dino, ablkmap, &repair)) { | |
5d1b7f0f CH |
2165 | do_warn( |
2166 | _("problem with attribute contents in inode %" PRIu64 "\n"), | |
0459b626 BN |
2167 | lino); |
2168 | if (!repair) { | |
2169 | /* clear attributes if not done already */ | |
2170 | if (!no_modify) { | |
2171 | *dirty += clear_dinode_attr(mp, dino, lino); | |
56b2de80 | 2172 | dino->di_aformat = XFS_DINODE_FMT_LOCAL; |
0459b626 BN |
2173 | } else { |
2174 | do_warn(_("would clear attr fork\n")); | |
2175 | } | |
2176 | *atotblocks = 0; | |
2177 | *anextents = 0; | |
2bd0ea18 | 2178 | } |
0459b626 BN |
2179 | else { |
2180 | *dirty = 1; /* it's been repaired */ | |
2bd0ea18 NS |
2181 | } |
2182 | } | |
0459b626 BN |
2183 | blkmap_free(ablkmap); |
2184 | return 0; | |
2185 | } | |
2bd0ea18 | 2186 | |
0459b626 BN |
2187 | /* |
2188 | * check nlinks feature, if it's a version 1 inode, | |
2189 | * just leave nlinks alone. even if it's set wrong, | |
2190 | * it'll be reset when read in. | |
2191 | */ | |
2bd0ea18 | 2192 | |
0459b626 BN |
2193 | static int |
2194 | process_check_inode_nlink_version( | |
56b2de80 | 2195 | xfs_dinode_t *dino, |
0459b626 BN |
2196 | xfs_ino_t lino) |
2197 | { | |
2198 | int dirty = 0; | |
2bd0ea18 | 2199 | |
2bd0ea18 | 2200 | /* |
5f6f3660 | 2201 | * if it's a version 2 inode, it should have a zero |
2bd0ea18 NS |
2202 | * onlink field, so clear it. |
2203 | */ | |
5f6f3660 | 2204 | if (dino->di_version > 1 && dino->di_onlink != 0) { |
0459b626 | 2205 | if (!no_modify) { |
5d1b7f0f CH |
2206 | do_warn( |
2207 | _("clearing obsolete nlink field in version 2 inode %" PRIu64 ", was %d, now 0\n"), | |
56b2de80 DC |
2208 | lino, be16_to_cpu(dino->di_onlink)); |
2209 | dino->di_onlink = 0; | |
0459b626 | 2210 | dirty = 1; |
2bd0ea18 | 2211 | } else { |
5d1b7f0f CH |
2212 | do_warn( |
2213 | _("would clear obsolete nlink field in version 2 inode %" PRIu64 ", currently %d\n"), | |
56b2de80 | 2214 | lino, be16_to_cpu(dino->di_onlink)); |
0459b626 BN |
2215 | } |
2216 | } | |
2217 | return dirty; | |
2218 | } | |
2219 | ||
8fec4f7c DW |
2220 | /* Check nanoseconds of a timestamp don't exceed 1 second. */ |
2221 | static void | |
2222 | check_nsec( | |
2223 | const char *name, | |
2224 | xfs_ino_t lino, | |
2225 | struct xfs_timestamp *t, | |
2226 | int *dirty) | |
2227 | { | |
2228 | if (be32_to_cpu(t->t_nsec) < 1000000000) | |
2229 | return; | |
2230 | ||
2231 | do_warn( | |
2232 | _("Bad %s nsec %u on inode %" PRIu64 ", "), name, be32_to_cpu(t->t_nsec), lino); | |
2233 | if (no_modify) { | |
2234 | do_warn(_("would reset to zero\n")); | |
2235 | } else { | |
2236 | do_warn(_("resetting to zero\n")); | |
2237 | t->t_nsec = 0; | |
2238 | *dirty = 1; | |
2239 | } | |
2240 | } | |
2241 | ||
0459b626 BN |
2242 | /* |
2243 | * returns 0 if the inode is ok, 1 if the inode is corrupt | |
2244 | * check_dups can be set to 1 *only* when called by the | |
2245 | * first pass of the duplicate block checking of phase 4. | |
2246 | * *dirty is set > 0 if the dinode has been altered and | |
2247 | * needs to be written out. | |
2248 | * | |
2249 | * for detailed, info, look at process_dinode() comments. | |
2250 | */ | |
8b8a6b02 | 2251 | static int |
0459b626 BN |
2252 | process_dinode_int(xfs_mount_t *mp, |
2253 | xfs_dinode_t *dino, | |
2254 | xfs_agnumber_t agno, | |
2255 | xfs_agino_t ino, | |
2256 | int was_free, /* 1 if inode is currently free */ | |
2257 | int *dirty, /* out == > 0 if inode is now dirty */ | |
2258 | int *used, /* out == 1 if inode is in use */ | |
2259 | int verify_mode, /* 1 == verify but don't modify inode */ | |
2260 | int uncertain, /* 1 == inode is uncertain */ | |
2261 | int ino_discovery, /* 1 == check dirs for unknown inodes */ | |
2262 | int check_dups, /* 1 == check if inode claims | |
2263 | * duplicate blocks */ | |
2264 | int extra_attr_check, /* 1 == do attribute format and value checks */ | |
2265 | int *isa_dir, /* out == 1 if inode is a directory */ | |
2266 | xfs_ino_t *parent) /* out -- parent if ino is a dir */ | |
2267 | { | |
5a35bf2c DC |
2268 | xfs_rfsblock_t totblocks = 0; |
2269 | xfs_rfsblock_t atotblocks = 0; | |
0459b626 BN |
2270 | int di_mode; |
2271 | int type; | |
2272 | int retval = 0; | |
14f8b681 DW |
2273 | uint64_t nextents; |
2274 | uint64_t anextents; | |
0459b626 BN |
2275 | xfs_ino_t lino; |
2276 | const int is_free = 0; | |
2277 | const int is_used = 1; | |
2278 | blkmap_t *dblkmap = NULL; | |
2279 | ||
2280 | *dirty = *isa_dir = 0; | |
2281 | *used = is_used; | |
2282 | type = XR_INO_UNKNOWN; | |
2283 | ||
0459b626 | 2284 | lino = XFS_AGINO_TO_INO(mp, agno, ino); |
56b2de80 | 2285 | di_mode = be16_to_cpu(dino->di_mode); |
0459b626 BN |
2286 | |
2287 | /* | |
2288 | * if in verify mode, don't modify the inode. | |
2289 | * | |
2290 | * if correcting, reset stuff that has known values | |
2291 | * | |
2292 | * if in uncertain mode, be silent on errors since we're | |
2293 | * trying to find out if these are inodes as opposed | |
2294 | * to assuming that they are. Just return the appropriate | |
2295 | * return code in that case. | |
2296 | * | |
2297 | * If uncertain is set, verify_mode MUST be set. | |
2298 | */ | |
2299 | ASSERT(uncertain == 0 || verify_mode != 0); | |
2300 | ||
7d7c5553 ES |
2301 | /* |
2302 | * This is the only valid point to check the CRC; after this we may have | |
2303 | * made changes which invalidate it, and the CRC is only updated again | |
2304 | * when it gets written out. | |
2305 | * | |
2306 | * Of course if we make any modifications after this, the inode gets | |
2307 | * rewritten, and the CRC is updated automagically. | |
2308 | */ | |
2309 | if (xfs_sb_version_hascrc(&mp->m_sb) && | |
e2f60652 | 2310 | !libxfs_verify_cksum((char *)dino, mp->m_sb.sb_inodesize, |
7d7c5553 ES |
2311 | XFS_DINODE_CRC_OFF)) { |
2312 | retval = 1; | |
2313 | if (!uncertain) | |
2314 | do_warn(_("bad CRC for inode %" PRIu64 "%c"), | |
2315 | lino, verify_mode ? '\n' : ','); | |
2316 | if (!verify_mode) { | |
2317 | if (!no_modify) { | |
2318 | do_warn(_(" will rewrite\n")); | |
2319 | *dirty = 1; | |
2320 | } else | |
2321 | do_warn(_(" would rewrite\n")); | |
2322 | } | |
2323 | } | |
2324 | ||
56b2de80 | 2325 | if (be16_to_cpu(dino->di_magic) != XFS_DINODE_MAGIC) { |
0459b626 BN |
2326 | retval = 1; |
2327 | if (!uncertain) | |
5d1b7f0f | 2328 | do_warn(_("bad magic number 0x%x on inode %" PRIu64 "%c"), |
56b2de80 | 2329 | be16_to_cpu(dino->di_magic), lino, |
0459b626 BN |
2330 | verify_mode ? '\n' : ','); |
2331 | if (!verify_mode) { | |
2332 | if (!no_modify) { | |
2333 | do_warn(_(" resetting magic number\n")); | |
56b2de80 | 2334 | dino->di_magic = cpu_to_be16(XFS_DINODE_MAGIC); |
0459b626 BN |
2335 | *dirty = 1; |
2336 | } else | |
2337 | do_warn(_(" would reset magic number\n")); | |
2338 | } | |
2339 | } | |
2340 | ||
e2f60652 | 2341 | if (!libxfs_dinode_good_version(mp, dino->di_version)) { |
0459b626 BN |
2342 | retval = 1; |
2343 | if (!uncertain) | |
5d1b7f0f | 2344 | do_warn(_("bad version number 0x%x on inode %" PRIu64 "%c"), |
56b2de80 | 2345 | (__s8)dino->di_version, lino, |
0459b626 BN |
2346 | verify_mode ? '\n' : ','); |
2347 | if (!verify_mode) { | |
2348 | if (!no_modify) { | |
2349 | do_warn(_(" resetting version number\n")); | |
e0607266 | 2350 | dino->di_version = |
5f6f3660 | 2351 | xfs_sb_version_hascrc(&mp->m_sb) ? 3 : 2; |
0459b626 BN |
2352 | *dirty = 1; |
2353 | } else | |
2354 | do_warn(_(" would reset version number\n")); | |
2355 | } | |
2356 | } | |
2357 | ||
e0607266 DC |
2358 | /* |
2359 | * We don't bother checking the CRC here - we cannot guarantee that when | |
2360 | * we are called here that the inode has not already been modified in | |
2361 | * memory and hence invalidated the CRC. | |
2362 | */ | |
2363 | if (xfs_sb_version_hascrc(&mp->m_sb)) { | |
2364 | if (be64_to_cpu(dino->di_ino) != lino) { | |
2365 | if (!uncertain) | |
2366 | do_warn( | |
2367 | _("inode identifier %llu mismatch on inode %" PRIu64 "\n"), | |
51073f86 DW |
2368 | (unsigned long long)be64_to_cpu(dino->di_ino), |
2369 | lino); | |
e0607266 DC |
2370 | if (verify_mode) |
2371 | return 1; | |
2372 | goto clear_bad_out; | |
2373 | } | |
9c4e12fb ES |
2374 | if (platform_uuid_compare(&dino->di_uuid, |
2375 | &mp->m_sb.sb_meta_uuid)) { | |
e0607266 DC |
2376 | if (!uncertain) |
2377 | do_warn( | |
2378 | _("UUID mismatch on inode %" PRIu64 "\n"), lino); | |
2379 | if (verify_mode) | |
2380 | return 1; | |
2381 | goto clear_bad_out; | |
2382 | } | |
2383 | } | |
2384 | ||
0459b626 BN |
2385 | /* |
2386 | * blow out of here if the inode size is < 0 | |
2387 | */ | |
56b2de80 | 2388 | if ((xfs_fsize_t)be64_to_cpu(dino->di_size) < 0) { |
0459b626 | 2389 | if (!uncertain) |
5d1b7f0f CH |
2390 | do_warn( |
2391 | _("bad (negative) size %" PRId64 " on inode %" PRIu64 "\n"), | |
14f8b681 | 2392 | (int64_t)be64_to_cpu(dino->di_size), |
5d1b7f0f | 2393 | lino); |
0459b626 BN |
2394 | if (verify_mode) |
2395 | return 1; | |
2396 | goto clear_bad_out; | |
2397 | } | |
2398 | ||
2399 | /* | |
0724d0f4 | 2400 | * if not in verify mode, check to see if the inode and imap |
0459b626 BN |
2401 | * agree that the inode is free |
2402 | */ | |
2403 | if (!verify_mode && di_mode == 0) { | |
2404 | /* | |
2405 | * was_free value is not meaningful if we're in verify mode | |
2406 | */ | |
2407 | if (was_free) { | |
2408 | /* | |
2e1bf6c5 | 2409 | * easy case, inode free -- inode and map agree, check |
0459b626 BN |
2410 | * it just in case to ensure that format, etc. are |
2411 | * set correctly | |
2412 | */ | |
2e1bf6c5 ES |
2413 | if (libxfs_dinode_verify(mp, lino, dino) != NULL) { |
2414 | do_warn( | |
2415 | _("free inode %" PRIu64 " contains errors, "), lino); | |
2416 | if (!no_modify) { | |
0724d0f4 | 2417 | clear_dinode(mp, dino, lino); |
2e1bf6c5 | 2418 | do_warn(_("corrected\n")); |
0724d0f4 | 2419 | *dirty += 1; |
2e1bf6c5 ES |
2420 | } else { |
2421 | do_warn(_("would correct\n")); | |
2422 | } | |
2423 | } | |
0459b626 BN |
2424 | *used = is_free; |
2425 | return 0; | |
2426 | } | |
2427 | /* | |
2428 | * the inode looks free but the map says it's in use. | |
2429 | * clear the inode just to be safe and mark the inode | |
2430 | * free. | |
2431 | */ | |
5d1b7f0f CH |
2432 | do_warn( |
2433 | _("imap claims a free inode %" PRIu64 " is in use, "), lino); | |
0459b626 BN |
2434 | if (!no_modify) { |
2435 | do_warn(_("correcting imap and clearing inode\n")); | |
0724d0f4 ES |
2436 | clear_dinode(mp, dino, lino); |
2437 | *dirty += 1; | |
0459b626 BN |
2438 | retval = 1; |
2439 | } else | |
2440 | do_warn(_("would correct imap and clear inode\n")); | |
2441 | *used = is_free; | |
2442 | return retval; | |
2443 | } | |
2444 | ||
2445 | /* | |
2446 | * because of the lack of any write ordering guarantee, it's | |
2447 | * possible that the core got updated but the forks didn't. | |
2448 | * so rather than be ambitious (and probably incorrect), | |
2449 | * if there's an inconsistency, we get conservative and | |
2450 | * just pitch the file. blow off checking formats of | |
2451 | * free inodes since technically any format is legal | |
2452 | * as we reset the inode when we re-use it. | |
2453 | */ | |
56b2de80 | 2454 | if (di_mode != 0 && check_dinode_mode_format(dino) != 0) { |
0459b626 | 2455 | if (!uncertain) |
5d1b7f0f CH |
2456 | do_warn( |
2457 | _("bad inode format in inode %" PRIu64 "\n"), lino); | |
0459b626 BN |
2458 | if (verify_mode) |
2459 | return 1; | |
2460 | goto clear_bad_out; | |
2461 | } | |
2462 | ||
bd5683fe DC |
2463 | /* |
2464 | * check that we only have valid flags set, and those that are set make | |
2465 | * sense. | |
2466 | */ | |
56b2de80 DC |
2467 | if (dino->di_flags) { |
2468 | uint16_t flags = be16_to_cpu(dino->di_flags); | |
bd5683fe DC |
2469 | |
2470 | if (flags & ~XFS_DIFLAG_ANY) { | |
c98f31a5 CH |
2471 | if (!uncertain) { |
2472 | do_warn( | |
2473 | _("Bad flags set in inode %" PRIu64 "\n"), | |
2474 | lino); | |
2475 | } | |
5cd0710a | 2476 | flags &= XFS_DIFLAG_ANY; |
bd5683fe DC |
2477 | } |
2478 | ||
2479 | if (flags & (XFS_DIFLAG_REALTIME | XFS_DIFLAG_RTINHERIT)) { | |
2480 | /* need an rt-dev! */ | |
2481 | if (!rt_name) { | |
c98f31a5 CH |
2482 | if (!uncertain) { |
2483 | do_warn( | |
2484 | _("inode %" PRIu64 " has RT flag set but there is no RT device\n"), | |
2485 | lino); | |
2486 | } | |
bd5683fe DC |
2487 | flags &= ~(XFS_DIFLAG_REALTIME | |
2488 | XFS_DIFLAG_RTINHERIT); | |
2489 | } | |
2490 | } | |
fb380cb7 | 2491 | if (flags & XFS_DIFLAG_NEWRTBM) { |
bd5683fe DC |
2492 | /* must be a rt bitmap inode */ |
2493 | if (lino != mp->m_sb.sb_rbmino) { | |
c98f31a5 CH |
2494 | if (!uncertain) { |
2495 | do_warn( | |
2496 | _("inode %" PRIu64 " not rt bitmap\n"), | |
2497 | lino); | |
2498 | } | |
fb380cb7 | 2499 | flags &= ~XFS_DIFLAG_NEWRTBM; |
bd5683fe DC |
2500 | } |
2501 | } | |
2502 | if (flags & (XFS_DIFLAG_RTINHERIT | | |
2503 | XFS_DIFLAG_EXTSZINHERIT | | |
2504 | XFS_DIFLAG_PROJINHERIT | | |
2505 | XFS_DIFLAG_NOSYMLINKS)) { | |
2506 | /* must be a directory */ | |
2507 | if (di_mode && !S_ISDIR(di_mode)) { | |
c98f31a5 CH |
2508 | if (!uncertain) { |
2509 | do_warn( | |
2510 | _("directory flags set on non-directory inode %" PRIu64 "\n" ), | |
2511 | lino); | |
2512 | } | |
bd5683fe DC |
2513 | flags &= ~(XFS_DIFLAG_RTINHERIT | |
2514 | XFS_DIFLAG_EXTSZINHERIT | | |
2515 | XFS_DIFLAG_PROJINHERIT | | |
2516 | XFS_DIFLAG_NOSYMLINKS); | |
2517 | } | |
2518 | } | |
83f4b5ac | 2519 | if (flags & (XFS_DIFLAG_REALTIME | FS_XFLAG_EXTSIZE)) { |
bd5683fe DC |
2520 | /* must be a file */ |
2521 | if (di_mode && !S_ISREG(di_mode)) { | |
c98f31a5 CH |
2522 | if (!uncertain) { |
2523 | do_warn( | |
2524 | _("file flags set on non-file inode %" PRIu64 "\n"), | |
2525 | lino); | |
2526 | } | |
bd5683fe | 2527 | flags &= ~(XFS_DIFLAG_REALTIME | |
83f4b5ac | 2528 | FS_XFLAG_EXTSIZE); |
bd5683fe DC |
2529 | } |
2530 | } | |
56b2de80 | 2531 | if (!verify_mode && flags != be16_to_cpu(dino->di_flags)) { |
bd5683fe | 2532 | if (!no_modify) { |
5cd0710a | 2533 | do_warn(_("fixing bad flags.\n")); |
56b2de80 | 2534 | dino->di_flags = cpu_to_be16(flags); |
bd5683fe DC |
2535 | *dirty = 1; |
2536 | } else | |
5cd0710a | 2537 | do_warn(_("would fix bad flags.\n")); |
bd5683fe DC |
2538 | } |
2539 | } | |
2540 | ||
a406779b DW |
2541 | /* |
2542 | * check that we only have valid flags2 set, and those that are set make | |
2543 | * sense. | |
2544 | */ | |
2545 | if (dino->di_version >= 3) { | |
2546 | uint16_t flags = be16_to_cpu(dino->di_flags); | |
2547 | uint64_t flags2 = be64_to_cpu(dino->di_flags2); | |
2548 | ||
2549 | if (flags2 & ~XFS_DIFLAG2_ANY) { | |
2550 | if (!uncertain) { | |
2551 | do_warn( | |
2552 | _("Bad flags2 set in inode %" PRIu64 "\n"), | |
2553 | lino); | |
2554 | } | |
2555 | flags2 &= XFS_DIFLAG2_ANY; | |
2556 | } | |
2557 | ||
c1604fa4 DW |
2558 | if (flags2 & XFS_DIFLAG2_DAX) { |
2559 | /* must be a file or dir */ | |
2560 | if (di_mode && !(S_ISREG(di_mode) || S_ISDIR(di_mode))) { | |
2561 | if (!uncertain) { | |
2562 | do_warn( | |
2563 | _("DAX flag set on special inode %" PRIu64 "\n"), | |
2564 | lino); | |
2565 | } | |
2566 | flags2 &= ~XFS_DIFLAG2_DAX; | |
2567 | } | |
2568 | } | |
2569 | ||
a406779b DW |
2570 | if ((flags2 & XFS_DIFLAG2_REFLINK) && |
2571 | !xfs_sb_version_hasreflink(&mp->m_sb)) { | |
2572 | if (!uncertain) { | |
2573 | do_warn( | |
2574 | _("inode %" PRIu64 " is marked reflinked but file system does not support reflink\n"), | |
2575 | lino); | |
2576 | } | |
2577 | goto clear_bad_out; | |
2578 | } | |
2579 | ||
2580 | if (flags2 & XFS_DIFLAG2_REFLINK) { | |
2581 | /* must be a file */ | |
2582 | if (di_mode && !S_ISREG(di_mode)) { | |
2583 | if (!uncertain) { | |
2584 | do_warn( | |
2585 | _("reflink flag set on non-file inode %" PRIu64 "\n"), | |
2586 | lino); | |
2587 | } | |
2588 | goto clear_bad_out; | |
2589 | } | |
2590 | } | |
2591 | ||
2592 | if ((flags2 & XFS_DIFLAG2_REFLINK) && | |
2593 | (flags & (XFS_DIFLAG_REALTIME | XFS_DIFLAG_RTINHERIT))) { | |
2594 | if (!uncertain) { | |
2595 | do_warn( | |
2596 | _("Cannot have a reflinked realtime inode %" PRIu64 "\n"), | |
2597 | lino); | |
2598 | } | |
2599 | goto clear_bad_out; | |
2600 | } | |
2601 | ||
42627ba6 DW |
2602 | if ((flags2 & XFS_DIFLAG2_COWEXTSIZE) && |
2603 | !xfs_sb_version_hasreflink(&mp->m_sb)) { | |
2604 | if (!uncertain) { | |
2605 | do_warn( | |
2606 | _("inode %" PRIu64 " has CoW extent size hint but file system does not support reflink\n"), | |
2607 | lino); | |
2608 | } | |
2609 | flags2 &= ~XFS_DIFLAG2_COWEXTSIZE; | |
2610 | } | |
2611 | ||
2612 | if (flags2 & XFS_DIFLAG2_COWEXTSIZE) { | |
2613 | /* must be a directory or file */ | |
2614 | if (di_mode && !S_ISDIR(di_mode) && !S_ISREG(di_mode)) { | |
2615 | if (!uncertain) { | |
2616 | do_warn( | |
2617 | _("CoW extent size flag set on non-file, non-directory inode %" PRIu64 "\n" ), | |
2618 | lino); | |
2619 | } | |
2620 | flags2 &= ~XFS_DIFLAG2_COWEXTSIZE; | |
2621 | } | |
2622 | } | |
2623 | ||
2624 | if ((flags2 & XFS_DIFLAG2_COWEXTSIZE) && | |
2625 | (flags & (XFS_DIFLAG_REALTIME | XFS_DIFLAG_RTINHERIT))) { | |
2626 | if (!uncertain) { | |
2627 | do_warn( | |
2628 | _("Cannot have CoW extent size hint on a realtime inode %" PRIu64 "\n"), | |
2629 | lino); | |
2630 | } | |
2631 | flags2 &= ~XFS_DIFLAG2_COWEXTSIZE; | |
2632 | } | |
2633 | ||
a406779b DW |
2634 | if (!verify_mode && flags2 != be64_to_cpu(dino->di_flags2)) { |
2635 | if (!no_modify) { | |
2636 | do_warn(_("fixing bad flags2.\n")); | |
2637 | dino->di_flags2 = cpu_to_be64(flags2); | |
2638 | *dirty = 1; | |
2639 | } else | |
2640 | do_warn(_("would fix bad flags2.\n")); | |
2641 | } | |
2642 | } | |
2643 | ||
0459b626 BN |
2644 | if (verify_mode) |
2645 | return retval; | |
2646 | ||
2647 | /* | |
2648 | * clear the next unlinked field if necessary on a good | |
2649 | * inode only during phase 4 -- when checking for inodes | |
2650 | * referencing duplicate blocks. then it's safe because | |
2651 | * we've done the inode discovery and have found all the inodes | |
2652 | * we're going to find. check_dups is set to 1 only during | |
2653 | * phase 4. Ugly. | |
2654 | */ | |
119383bf DC |
2655 | if (check_dups && be32_to_cpu(dino->di_next_unlinked) != NULLAGINO) { |
2656 | if (no_modify) { | |
2657 | do_warn( | |
2658 | _("Would clear next_unlinked in inode %" PRIu64 "\n"), lino); | |
2659 | } else { | |
2660 | clear_dinode_unlinked(mp, dino); | |
2661 | do_warn( | |
2662 | _("Cleared next_unlinked in inode %" PRIu64 "\n"), lino); | |
2663 | *dirty += 1; | |
2664 | } | |
0724d0f4 | 2665 | } |
0459b626 BN |
2666 | |
2667 | /* set type and map type info */ | |
2668 | ||
2669 | switch (di_mode & S_IFMT) { | |
2670 | case S_IFDIR: | |
2671 | type = XR_INO_DIR; | |
2672 | *isa_dir = 1; | |
2673 | break; | |
2674 | case S_IFREG: | |
56b2de80 | 2675 | if (be16_to_cpu(dino->di_flags) & XFS_DIFLAG_REALTIME) |
0459b626 BN |
2676 | type = XR_INO_RTDATA; |
2677 | else if (lino == mp->m_sb.sb_rbmino) | |
2678 | type = XR_INO_RTBITMAP; | |
2679 | else if (lino == mp->m_sb.sb_rsumino) | |
2680 | type = XR_INO_RTSUM; | |
5857dce9 ES |
2681 | else if (lino == mp->m_sb.sb_uquotino) |
2682 | type = XR_INO_UQUOTA; | |
2683 | else if (lino == mp->m_sb.sb_gquotino) | |
2684 | type = XR_INO_GQUOTA; | |
2685 | else if (lino == mp->m_sb.sb_pquotino) | |
2686 | type = XR_INO_PQUOTA; | |
0459b626 BN |
2687 | else |
2688 | type = XR_INO_DATA; | |
2689 | break; | |
2690 | case S_IFLNK: | |
2691 | type = XR_INO_SYMLINK; | |
2692 | break; | |
2693 | case S_IFCHR: | |
2694 | type = XR_INO_CHRDEV; | |
2695 | break; | |
2696 | case S_IFBLK: | |
2697 | type = XR_INO_BLKDEV; | |
2698 | break; | |
2699 | case S_IFSOCK: | |
2700 | type = XR_INO_SOCK; | |
2701 | break; | |
2702 | case S_IFIFO: | |
2703 | type = XR_INO_FIFO; | |
2704 | break; | |
2705 | default: | |
5d1b7f0f | 2706 | do_warn(_("bad inode type %#o inode %" PRIu64 "\n"), |
0459b626 BN |
2707 | di_mode & S_IFMT, lino); |
2708 | goto clear_bad_out; | |
2709 | } | |
2710 | ||
2711 | /* | |
2712 | * type checks for superblock inodes | |
2713 | */ | |
56b2de80 | 2714 | if (process_check_sb_inodes(mp, dino, lino, &type, dirty) != 0) |
0459b626 BN |
2715 | goto clear_bad_out; |
2716 | ||
2717 | /* | |
2718 | * only regular files with REALTIME or EXTSIZE flags set can have | |
2719 | * extsize set, or directories with EXTSZINHERIT. | |
2720 | */ | |
db3d080b DW |
2721 | if (libxfs_inode_validate_extsize(mp, |
2722 | be32_to_cpu(dino->di_extsize), | |
2723 | be16_to_cpu(dino->di_mode), | |
2724 | be16_to_cpu(dino->di_flags)) != NULL) { | |
2725 | do_warn( | |
2726 | _("Bad extent size %u on inode %" PRIu64 ", "), | |
2727 | be32_to_cpu(dino->di_extsize), lino); | |
2728 | if (!no_modify) { | |
2729 | do_warn(_("resetting to zero\n")); | |
2730 | dino->di_extsize = 0; | |
2731 | dino->di_flags &= ~cpu_to_be16(XFS_DIFLAG_EXTSIZE | | |
2732 | XFS_DIFLAG_EXTSZINHERIT); | |
2733 | *dirty = 1; | |
2734 | } else | |
2735 | do_warn(_("would reset to zero\n")); | |
0459b626 BN |
2736 | } |
2737 | ||
42627ba6 DW |
2738 | /* |
2739 | * Only (regular files and directories) with COWEXTSIZE flags | |
2740 | * set can have extsize set. | |
2741 | */ | |
2742 | if (dino->di_version >= 3 && | |
db3d080b DW |
2743 | libxfs_inode_validate_cowextsize(mp, |
2744 | be32_to_cpu(dino->di_cowextsize), | |
2745 | be16_to_cpu(dino->di_mode), | |
2746 | be16_to_cpu(dino->di_flags), | |
2747 | be64_to_cpu(dino->di_flags2)) != NULL) { | |
1c744e94 | 2748 | do_warn( |
db3d080b DW |
2749 | _("Bad CoW extent size %u on inode %" PRIu64 ", "), |
2750 | be32_to_cpu(dino->di_cowextsize), lino); | |
1c744e94 | 2751 | if (!no_modify) { |
db3d080b | 2752 | do_warn(_("resetting to zero\n")); |
1c744e94 | 2753 | dino->di_flags2 &= ~cpu_to_be64(XFS_DIFLAG2_COWEXTSIZE); |
db3d080b | 2754 | dino->di_cowextsize = 0; |
1c744e94 | 2755 | *dirty = 1; |
db3d080b DW |
2756 | } else |
2757 | do_warn(_("would reset to zero\n")); | |
1c744e94 DW |
2758 | } |
2759 | ||
8fec4f7c DW |
2760 | /* nsec fields cannot be larger than 1 billion */ |
2761 | check_nsec("atime", lino, &dino->di_atime, dirty); | |
2762 | check_nsec("mtime", lino, &dino->di_mtime, dirty); | |
2763 | check_nsec("ctime", lino, &dino->di_ctime, dirty); | |
2764 | if (dino->di_version >= 3) | |
2765 | check_nsec("crtime", lino, &dino->di_crtime, dirty); | |
2766 | ||
0459b626 BN |
2767 | /* |
2768 | * general size/consistency checks: | |
2769 | */ | |
2770 | if (process_check_inode_sizes(mp, dino, lino, type) != 0) | |
2771 | goto clear_bad_out; | |
2772 | ||
2773 | /* | |
2774 | * check for illegal values of forkoff | |
2775 | */ | |
56b2de80 | 2776 | if (process_check_inode_forkoff(mp, dino, lino) != 0) |
0459b626 BN |
2777 | goto clear_bad_out; |
2778 | ||
7e174ec7 DW |
2779 | /* |
2780 | * record the state of the reflink flag | |
2781 | */ | |
2782 | if (collect_rmaps) | |
2783 | record_inode_reflink_flag(mp, dino, agno, ino, lino); | |
2784 | ||
0459b626 BN |
2785 | /* |
2786 | * check data fork -- if it's bad, clear the inode | |
2787 | */ | |
2788 | if (process_inode_data_fork(mp, agno, ino, dino, type, dirty, | |
2789 | &totblocks, &nextents, &dblkmap, check_dups) != 0) | |
2790 | goto bad_out; | |
2791 | ||
2792 | /* | |
2793 | * check attribute fork if necessary. attributes are | |
2794 | * always stored in the regular filesystem. | |
2795 | */ | |
2796 | if (process_inode_attr_fork(mp, agno, ino, dino, type, dirty, | |
2797 | &atotblocks, &anextents, check_dups, extra_attr_check, | |
2798 | &retval)) | |
2799 | goto bad_out; | |
2800 | ||
2801 | /* | |
2802 | * enforce totblocks is 0 for misc types | |
2803 | */ | |
2804 | if (process_misc_ino_types_blocks(totblocks, lino, type)) | |
2805 | goto clear_bad_out; | |
2806 | ||
2807 | /* | |
2808 | * correct space counters if required | |
2809 | */ | |
56b2de80 | 2810 | if (process_inode_blocks_and_extents(dino, totblocks + atotblocks, |
0459b626 BN |
2811 | nextents, anextents, lino, dirty) != 0) |
2812 | goto clear_bad_out; | |
2813 | ||
2814 | /* | |
2815 | * do any semantic type-based checking here | |
2816 | */ | |
2817 | switch (type) { | |
2818 | case XR_INO_DIR: | |
9a048535 | 2819 | if (process_dir2(mp, lino, dino, ino_discovery, |
0459b626 | 2820 | dirty, "", parent, dblkmap)) { |
5d1b7f0f CH |
2821 | do_warn( |
2822 | _("problem with directory contents in inode %" PRIu64 "\n"), | |
2823 | lino); | |
0459b626 BN |
2824 | goto clear_bad_out; |
2825 | } | |
2826 | break; | |
2827 | case XR_INO_SYMLINK: | |
2828 | if (process_symlink(mp, lino, dino, dblkmap) != 0) { | |
5d1b7f0f CH |
2829 | do_warn( |
2830 | _("problem with symbolic link in inode %" PRIu64 "\n"), | |
0459b626 BN |
2831 | lino); |
2832 | goto clear_bad_out; | |
2bd0ea18 | 2833 | } |
0459b626 | 2834 | break; |
5857dce9 ES |
2835 | case XR_INO_UQUOTA: |
2836 | case XR_INO_GQUOTA: | |
2837 | case XR_INO_PQUOTA: | |
2838 | if (process_quota_inode(mp, lino, dino, type, dblkmap) != 0) { | |
2839 | do_warn( | |
2840 | _("problem with quota inode %" PRIu64 "\n"), lino); | |
2841 | goto clear_bad_out; | |
2842 | } | |
2843 | break; | |
0459b626 BN |
2844 | default: |
2845 | break; | |
2bd0ea18 NS |
2846 | } |
2847 | ||
55d35a39 | 2848 | blkmap_free(dblkmap); |
0459b626 BN |
2849 | |
2850 | /* | |
2851 | * check nlinks feature, if it's a version 1 inode, | |
2852 | * just leave nlinks alone. even if it's set wrong, | |
2853 | * it'll be reset when read in. | |
2854 | */ | |
56b2de80 | 2855 | *dirty += process_check_inode_nlink_version(dino, lino); |
0459b626 BN |
2856 | |
2857 | return retval; | |
2858 | ||
2859 | clear_bad_out: | |
2860 | if (!no_modify) { | |
0724d0f4 ES |
2861 | clear_dinode(mp, dino, lino); |
2862 | *dirty += 1; | |
0459b626 BN |
2863 | } |
2864 | bad_out: | |
2865 | *used = is_free; | |
2866 | *isa_dir = 0; | |
55d35a39 | 2867 | blkmap_free(dblkmap); |
0459b626 | 2868 | return 1; |
2bd0ea18 NS |
2869 | } |
2870 | ||
2871 | /* | |
2872 | * returns 1 if inode is used, 0 if free. | |
2873 | * performs any necessary salvaging actions. | |
2874 | * note that we leave the generation count alone | |
2875 | * because nothing we could set it to would be | |
2876 | * guaranteed to be correct so the best guess for | |
2877 | * the correct value is just to leave it alone. | |
2878 | * | |
2879 | * The trick is detecting empty files. For those, | |
2880 | * the core and the forks should all be in the "empty" | |
2881 | * or zero-length state -- a zero or possibly minimum length | |
2882 | * (in the case of dirs) extent list -- although inline directories | |
2883 | * and symlinks might be handled differently. So it should be | |
2884 | * possible to sanity check them against each other. | |
2885 | * | |
2886 | * If the forks are an empty extent list though, then forget it. | |
2887 | * The file is toast anyway since we can't recover its storage. | |
2888 | * | |
2889 | * Parameters: | |
2890 | * Ins: | |
2891 | * mp -- mount structure | |
2892 | * dino -- pointer to on-disk inode structure | |
2893 | * agno/ino -- inode numbers | |
2894 | * free -- whether the map thinks the inode is free (1 == free) | |
2895 | * ino_discovery -- whether we should examine directory | |
2896 | * contents to discover new inodes | |
2897 | * check_dups -- whether we should check to see if the | |
2898 | * inode references duplicate blocks | |
2899 | * if so, we compare the inode's claimed | |
2900 | * blocks against the contents of the | |
2901 | * duplicate extent list but we don't | |
2902 | * set the bitmap. If not, we set the | |
2903 | * bitmap and try and detect multiply | |
2904 | * claimed blocks using the bitmap. | |
2905 | * Outs: | |
2906 | * dirty -- whether we changed the inode (1 == yes) | |
2bd0ea18 NS |
2907 | * used -- 1 if the inode is used, 0 if free. In no modify |
2908 | * mode, whether the inode should be used or free | |
2909 | * isa_dir -- 1 if the inode is a directory, 0 if not. In | |
2910 | * no modify mode, if the inode would be a dir or not. | |
2911 | * | |
2912 | * Return value -- 0 if the inode is good, 1 if it is/was corrupt | |
2913 | */ | |
2914 | ||
2915 | int | |
0459b626 BN |
2916 | process_dinode( |
2917 | xfs_mount_t *mp, | |
2918 | xfs_dinode_t *dino, | |
2919 | xfs_agnumber_t agno, | |
2920 | xfs_agino_t ino, | |
2921 | int was_free, | |
2922 | int *dirty, | |
2923 | int *used, | |
2924 | int ino_discovery, | |
2925 | int check_dups, | |
2926 | int extra_attr_check, | |
2927 | int *isa_dir, | |
2928 | xfs_ino_t *parent) | |
2bd0ea18 | 2929 | { |
0459b626 BN |
2930 | const int verify_mode = 0; |
2931 | const int uncertain = 0; | |
2bd0ea18 NS |
2932 | |
2933 | #ifdef XR_INODE_TRACE | |
9ee7055c | 2934 | fprintf(stderr, _("processing inode %d/%d\n"), agno, ino); |
2bd0ea18 | 2935 | #endif |
0459b626 BN |
2936 | return process_dinode_int(mp, dino, agno, ino, was_free, dirty, used, |
2937 | verify_mode, uncertain, ino_discovery, | |
2938 | check_dups, extra_attr_check, isa_dir, parent); | |
2bd0ea18 NS |
2939 | } |
2940 | ||
2941 | /* | |
2942 | * a more cursory check, check inode core, *DON'T* check forks | |
2943 | * this basically just verifies whether the inode is an inode | |
2944 | * and whether or not it has been totally trashed. returns 0 | |
2945 | * if the inode passes the cursory sanity check, 1 otherwise. | |
2946 | */ | |
2947 | int | |
0459b626 BN |
2948 | verify_dinode( |
2949 | xfs_mount_t *mp, | |
2950 | xfs_dinode_t *dino, | |
2951 | xfs_agnumber_t agno, | |
2952 | xfs_agino_t ino) | |
2bd0ea18 | 2953 | { |
0459b626 BN |
2954 | xfs_ino_t parent; |
2955 | int used = 0; | |
2956 | int dirty = 0; | |
2957 | int isa_dir = 0; | |
2958 | const int verify_mode = 1; | |
2959 | const int check_dups = 0; | |
2960 | const int ino_discovery = 0; | |
2961 | const int uncertain = 0; | |
2962 | ||
2963 | return process_dinode_int(mp, dino, agno, ino, 0, &dirty, &used, | |
2964 | verify_mode, uncertain, ino_discovery, | |
2965 | check_dups, 0, &isa_dir, &parent); | |
2bd0ea18 NS |
2966 | } |
2967 | ||
2968 | /* | |
2969 | * like above only for inode on the uncertain list. it sets | |
2970 | * the uncertain flag which makes process_dinode_int quieter. | |
2971 | * returns 0 if the inode passes the cursory sanity check, 1 otherwise. | |
2972 | */ | |
2973 | int | |
0459b626 BN |
2974 | verify_uncertain_dinode( |
2975 | xfs_mount_t *mp, | |
2976 | xfs_dinode_t *dino, | |
2977 | xfs_agnumber_t agno, | |
2978 | xfs_agino_t ino) | |
2bd0ea18 | 2979 | { |
0459b626 BN |
2980 | xfs_ino_t parent; |
2981 | int used = 0; | |
2982 | int dirty = 0; | |
2983 | int isa_dir = 0; | |
2984 | const int verify_mode = 1; | |
2985 | const int check_dups = 0; | |
2986 | const int ino_discovery = 0; | |
2987 | const int uncertain = 1; | |
2988 | ||
2989 | return process_dinode_int(mp, dino, agno, ino, 0, &dirty, &used, | |
2990 | verify_mode, uncertain, ino_discovery, | |
2991 | check_dups, 0, &isa_dir, &parent); | |
2bd0ea18 | 2992 | } |