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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) { | |
2fd09353 | 95 | struct xfs_attr_shortform *asf = (struct xfs_attr_shortform *) |
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); | |
2660e653 | 113 | if (xfs_has_crc(mp)) |
0724d0f4 ES |
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 */ | |
4de63245 | 146 | memset(XFS_DFORK_DPTR(dino), 0, XFS_LITINO(mp)); |
0724d0f4 | 147 | return; |
2bd0ea18 NS |
148 | } |
149 | ||
150 | ||
151 | /* | |
152 | * misc. inode-related utility routines | |
153 | */ | |
154 | ||
1e77098c MV |
155 | #define XR_DFSBNORANGE_VALID 0 |
156 | #define XR_DFSBNORANGE_BADSTART 1 | |
157 | #define XR_DFSBNORANGE_BADEND 2 | |
158 | #define XR_DFSBNORANGE_OVERFLOW 3 | |
159 | ||
160 | static __inline int | |
6271fa06 DW |
161 | verify_dfsbno_range( |
162 | struct xfs_mount *mp, | |
163 | xfs_fsblock_t fsbno, | |
164 | xfs_filblks_t count) | |
1e77098c | 165 | { |
1e77098c | 166 | /* the start and end blocks better be in the same allocation group */ |
6271fa06 DW |
167 | if (XFS_FSB_TO_AGNO(mp, fsbno) != |
168 | XFS_FSB_TO_AGNO(mp, fsbno + count - 1)) { | |
1e77098c MV |
169 | return XR_DFSBNORANGE_OVERFLOW; |
170 | } | |
171 | ||
6271fa06 | 172 | if (!libxfs_verify_fsbno(mp, fsbno)) |
1e77098c | 173 | return XR_DFSBNORANGE_BADSTART; |
6271fa06 | 174 | if (!libxfs_verify_fsbno(mp, fsbno + count - 1)) |
1e77098c | 175 | return XR_DFSBNORANGE_BADEND; |
1e77098c | 176 | |
6271fa06 | 177 | return XR_DFSBNORANGE_VALID; |
2bd0ea18 | 178 | } |
f0e7f9c2 DW |
179 | |
180 | static int | |
181 | process_rt_rec_dups( | |
182 | struct xfs_mount *mp, | |
183 | xfs_ino_t ino, | |
184 | struct xfs_bmbt_irec *irec) | |
185 | { | |
186 | xfs_fsblock_t b; | |
187 | xfs_rtblock_t ext; | |
188 | ||
189 | for (b = rounddown(irec->br_startblock, mp->m_sb.sb_rextsize); | |
190 | b < irec->br_startblock + irec->br_blockcount; | |
191 | b += mp->m_sb.sb_rextsize) { | |
192 | ext = (xfs_rtblock_t) b / mp->m_sb.sb_rextsize; | |
193 | if (search_rt_dup_extent(mp, ext)) { | |
194 | do_warn( | |
195 | _("data fork in rt ino %" PRIu64 " claims dup rt extent," | |
196 | "off - %" PRIu64 ", start - %" PRIu64 ", count %" PRIu64 "\n"), | |
197 | ino, | |
198 | irec->br_startoff, | |
199 | irec->br_startblock, | |
200 | irec->br_blockcount); | |
201 | return 1; | |
202 | } | |
203 | } | |
204 | ||
205 | return 0; | |
206 | } | |
207 | ||
208 | static int | |
209 | process_rt_rec_state( | |
210 | struct xfs_mount *mp, | |
211 | xfs_ino_t ino, | |
212 | struct xfs_bmbt_irec *irec) | |
213 | { | |
214 | xfs_fsblock_t b = irec->br_startblock; | |
215 | xfs_rtblock_t ext; | |
216 | int state; | |
217 | ||
218 | do { | |
219 | ext = (xfs_rtblock_t)b / mp->m_sb.sb_rextsize; | |
220 | state = get_rtbmap(ext); | |
221 | ||
222 | if ((b % mp->m_sb.sb_rextsize) != 0) { | |
223 | /* | |
224 | * We are midway through a partially written extent. | |
225 | * If we don't find the state that gets set in the | |
226 | * other clause of this loop body, then we have a | |
227 | * partially *mapped* rt extent and should complain. | |
228 | */ | |
229 | if (state != XR_E_INUSE) | |
230 | do_error( | |
231 | _("data fork in rt inode %" PRIu64 " found invalid rt extent %"PRIu64" state %d at rt block %"PRIu64"\n"), | |
232 | ino, ext, state, b); | |
233 | b = roundup(b, mp->m_sb.sb_rextsize); | |
234 | continue; | |
235 | } | |
236 | ||
237 | /* | |
238 | * This is the start of an rt extent. Set the extent state if | |
239 | * nobody else has claimed the extent, or complain if there are | |
240 | * conflicting states. | |
241 | */ | |
242 | switch (state) { | |
243 | case XR_E_FREE: | |
244 | case XR_E_UNKNOWN: | |
245 | set_rtbmap(ext, XR_E_INUSE); | |
246 | break; | |
247 | case XR_E_BAD_STATE: | |
248 | do_error( | |
249 | _("bad state in rt extent map %" PRIu64 "\n"), | |
250 | ext); | |
251 | case XR_E_FS_MAP: | |
252 | case XR_E_INO: | |
253 | case XR_E_INUSE_FS: | |
254 | do_error( | |
255 | _("data fork in rt inode %" PRIu64 " found rt metadata extent %" PRIu64 " in rt bmap\n"), | |
256 | ino, ext); | |
257 | case XR_E_INUSE: | |
258 | case XR_E_MULT: | |
259 | set_rtbmap(ext, XR_E_MULT); | |
260 | do_warn( | |
261 | _("data fork in rt inode %" PRIu64 " claims used rt extent %" PRIu64 "\n"), | |
262 | ino, b); | |
263 | return 1; | |
264 | case XR_E_FREE1: | |
265 | default: | |
266 | do_error( | |
267 | _("illegal state %d in rt extent %" PRIu64 "\n"), | |
268 | state, ext); | |
269 | } | |
270 | b += mp->m_sb.sb_rextsize; | |
271 | } while (b < irec->br_startblock + irec->br_blockcount); | |
272 | ||
273 | return 0; | |
274 | } | |
275 | ||
2556c98b BN |
276 | static int |
277 | process_rt_rec( | |
82491ad3 DW |
278 | struct xfs_mount *mp, |
279 | struct xfs_bmbt_irec *irec, | |
2556c98b | 280 | xfs_ino_t ino, |
5a35bf2c | 281 | xfs_rfsblock_t *tot, |
2556c98b BN |
282 | int check_dups) |
283 | { | |
f0e7f9c2 DW |
284 | xfs_fsblock_t lastb; |
285 | int bad; | |
2556c98b | 286 | |
2556c98b BN |
287 | /* |
288 | * check numeric validity of the extent | |
289 | */ | |
82491ad3 | 290 | if (!libxfs_verify_rtbno(mp, irec->br_startblock)) { |
5d1b7f0f CH |
291 | do_warn( |
292 | _("inode %" PRIu64 " - bad rt extent start block number %" PRIu64 ", offset %" PRIu64 "\n"), | |
293 | ino, | |
294 | irec->br_startblock, | |
295 | irec->br_startoff); | |
2556c98b BN |
296 | return 1; |
297 | } | |
82491ad3 DW |
298 | |
299 | lastb = irec->br_startblock + irec->br_blockcount - 1; | |
300 | if (!libxfs_verify_rtbno(mp, lastb)) { | |
5d1b7f0f CH |
301 | do_warn( |
302 | _("inode %" PRIu64 " - bad rt extent last block number %" PRIu64 ", offset %" PRIu64 "\n"), | |
303 | ino, | |
82491ad3 | 304 | lastb, |
5d1b7f0f | 305 | irec->br_startoff); |
2556c98b BN |
306 | return 1; |
307 | } | |
82491ad3 | 308 | if (lastb < irec->br_startblock) { |
5d1b7f0f CH |
309 | do_warn( |
310 | _("inode %" PRIu64 " - bad rt extent overflows - start %" PRIu64 ", " | |
311 | "end %" PRIu64 ", offset %" PRIu64 "\n"), | |
312 | ino, | |
313 | irec->br_startblock, | |
82491ad3 | 314 | lastb, |
5d1b7f0f | 315 | irec->br_startoff); |
2556c98b BN |
316 | return 1; |
317 | } | |
318 | ||
f0e7f9c2 DW |
319 | if (check_dups) |
320 | bad = process_rt_rec_dups(mp, ino, irec); | |
321 | else | |
322 | bad = process_rt_rec_state(mp, ino, irec); | |
323 | if (bad) | |
324 | return bad; | |
2556c98b BN |
325 | |
326 | /* | |
327 | * bump up the block counter | |
328 | */ | |
e0a12bda | 329 | *tot += irec->br_blockcount; |
2556c98b BN |
330 | |
331 | return 0; | |
332 | } | |
3b6ac903 | 333 | |
2bd0ea18 NS |
334 | /* |
335 | * return 1 if inode should be cleared, 0 otherwise | |
336 | * if check_dups should be set to 1, that implies that | |
337 | * the primary purpose of this call is to see if the | |
338 | * file overlaps with any duplicate extents (in the | |
339 | * duplicate extent list). | |
340 | */ | |
8b8a6b02 | 341 | static int |
2bd0ea18 NS |
342 | process_bmbt_reclist_int( |
343 | xfs_mount_t *mp, | |
e0a12bda | 344 | xfs_bmbt_rec_t *rp, |
e1f43b4c | 345 | int *numrecs, |
2bd0ea18 NS |
346 | int type, |
347 | xfs_ino_t ino, | |
5a35bf2c | 348 | xfs_rfsblock_t *tot, |
2bd0ea18 | 349 | blkmap_t **blkmapp, |
5a35bf2c DC |
350 | xfs_fileoff_t *first_key, |
351 | xfs_fileoff_t *last_key, | |
2bd0ea18 NS |
352 | int check_dups, |
353 | int whichfork) | |
354 | { | |
e0a12bda | 355 | xfs_bmbt_irec_t irec; |
5a35bf2c DC |
356 | xfs_filblks_t cp = 0; /* prev count */ |
357 | xfs_fsblock_t sp = 0; /* prev start */ | |
358 | xfs_fileoff_t op = 0; /* prev offset */ | |
359 | xfs_fsblock_t b; | |
2bd0ea18 | 360 | char *ftype; |
beed0dc8 | 361 | char *forkname = get_forkname(whichfork); |
2bd0ea18 NS |
362 | int i; |
363 | int state; | |
1e77098c MV |
364 | xfs_agnumber_t agno; |
365 | xfs_agblock_t agbno; | |
8961bfde BN |
366 | xfs_agblock_t ebno; |
367 | xfs_extlen_t blen; | |
2556c98b BN |
368 | xfs_agnumber_t locked_agno = -1; |
369 | int error = 1; | |
86b8934d | 370 | int error2; |
2bd0ea18 | 371 | |
2bd0ea18 | 372 | if (type == XR_INO_RTDATA) |
beed0dc8 | 373 | ftype = ftype_real_time; |
2bd0ea18 | 374 | else |
beed0dc8 | 375 | ftype = ftype_regular; |
2bd0ea18 | 376 | |
e1f43b4c | 377 | for (i = 0; i < *numrecs; i++) { |
ff105f75 | 378 | libxfs_bmbt_disk_get_all((rp +i), &irec); |
2bd0ea18 | 379 | if (i == 0) |
e0a12bda | 380 | *last_key = *first_key = irec.br_startoff; |
2bd0ea18 | 381 | else |
e0a12bda BN |
382 | *last_key = irec.br_startoff; |
383 | if (i > 0 && op + cp > irec.br_startoff) { | |
5d1b7f0f CH |
384 | do_warn( |
385 | _("bmap rec out of order, inode %" PRIu64" entry %d " | |
386 | "[o s c] [%" PRIu64 " %" PRIu64 " %" PRIu64 "], " | |
387 | "%d [%" PRIu64 " %" PRIu64 " %" PRIu64 "]\n"), | |
e0a12bda BN |
388 | ino, i, irec.br_startoff, irec.br_startblock, |
389 | irec.br_blockcount, i - 1, op, sp, cp); | |
2556c98b | 390 | goto done; |
2bd0ea18 | 391 | } |
e0a12bda BN |
392 | op = irec.br_startoff; |
393 | cp = irec.br_blockcount; | |
394 | sp = irec.br_startblock; | |
2bd0ea18 | 395 | |
e487b557 DW |
396 | if (irec.br_state != XFS_EXT_NORM) { |
397 | /* No unwritten extents in the attr fork */ | |
398 | if (whichfork == XFS_ATTR_FORK) { | |
399 | do_warn( | |
400 | _("unwritten extent (off = %" PRIu64 ", fsbno = %" PRIu64 ") in ino %" PRIu64 " attr fork\n"), | |
401 | irec.br_startoff, | |
402 | irec.br_startblock, | |
403 | ino); | |
404 | goto done; | |
405 | } | |
406 | ||
407 | /* No unwritten extents in non-regular files */ | |
408 | if (type != XR_INO_DATA && type != XR_INO_RTDATA) { | |
409 | do_warn( | |
410 | _("unwritten extent (off = %" PRIu64 ", fsbno = %" PRIu64 ") in non-regular file ino %" PRIu64 "\n"), | |
411 | irec.br_startoff, | |
412 | irec.br_startblock, | |
413 | ino); | |
414 | goto done; | |
415 | } | |
416 | } | |
417 | ||
2bd0ea18 NS |
418 | /* |
419 | * check numeric validity of the extent | |
420 | */ | |
e0a12bda | 421 | if (irec.br_blockcount == 0) { |
5d1b7f0f CH |
422 | do_warn( |
423 | _("zero length extent (off = %" PRIu64 ", fsbno = %" PRIu64 ") in ino %" PRIu64 "\n"), | |
424 | irec.br_startoff, | |
425 | irec.br_startblock, | |
426 | ino); | |
2556c98b | 427 | goto done; |
2bd0ea18 NS |
428 | } |
429 | ||
2556c98b | 430 | if (type == XR_INO_RTDATA && whichfork == XFS_DATA_FORK) { |
86b8934d DW |
431 | pthread_mutex_lock(&rt_lock.lock); |
432 | error2 = process_rt_rec(mp, &irec, ino, tot, check_dups); | |
433 | pthread_mutex_unlock(&rt_lock.lock); | |
434 | if (error2) | |
435 | return error2; | |
436 | ||
2bd0ea18 | 437 | /* |
86b8934d | 438 | * skip rest of loop processing since the rest is |
2bd0ea18 NS |
439 | * all for regular file forks and attr forks |
440 | */ | |
441 | continue; | |
442 | } | |
443 | ||
2bd0ea18 NS |
444 | /* |
445 | * regular file data fork or attribute fork | |
446 | */ | |
e0a12bda BN |
447 | switch (verify_dfsbno_range(mp, irec.br_startblock, |
448 | irec.br_blockcount)) { | |
2556c98b BN |
449 | case XR_DFSBNORANGE_VALID: |
450 | break; | |
451 | ||
452 | case XR_DFSBNORANGE_BADSTART: | |
5d1b7f0f CH |
453 | do_warn( |
454 | _("inode %" PRIu64 " - bad extent starting block number %" PRIu64 ", offset %" PRIu64 "\n"), | |
455 | ino, | |
456 | irec.br_startblock, | |
e0a12bda | 457 | irec.br_startoff); |
2556c98b BN |
458 | goto done; |
459 | ||
460 | case XR_DFSBNORANGE_BADEND: | |
5d1b7f0f CH |
461 | do_warn( |
462 | _("inode %" PRIu64 " - bad extent last block number %" PRIu64 ", offset %" PRIu64 "\n"), | |
463 | ino, | |
464 | irec.br_startblock + irec.br_blockcount - 1, | |
465 | irec.br_startoff); | |
2556c98b BN |
466 | goto done; |
467 | ||
468 | case XR_DFSBNORANGE_OVERFLOW: | |
5d1b7f0f CH |
469 | do_warn( |
470 | _("inode %" PRIu64 " - bad extent overflows - start %" PRIu64 ", " | |
471 | "end %" PRIu64 ", offset %" PRIu64 "\n"), | |
472 | ino, | |
473 | irec.br_startblock, | |
474 | irec.br_startblock + irec.br_blockcount - 1, | |
475 | irec.br_startoff); | |
2556c98b BN |
476 | goto done; |
477 | } | |
7511a9cf ES |
478 | /* Ensure this extent does not extend beyond the max offset */ |
479 | if (irec.br_startoff + irec.br_blockcount - 1 > | |
480 | fs_max_file_offset) { | |
5d1b7f0f | 481 | do_warn( |
7511a9cf ES |
482 | _("inode %" PRIu64 " - extent exceeds max offset - start %" PRIu64 ", " |
483 | "count %" PRIu64 ", physical block %" PRIu64 "\n"), | |
484 | ino, irec.br_startoff, irec.br_blockcount, | |
485 | irec.br_startblock); | |
2556c98b BN |
486 | goto done; |
487 | } | |
488 | ||
75372fed | 489 | if (blkmapp && *blkmapp) { |
ea4a8de1 | 490 | error2 = blkmap_set_ext(blkmapp, irec.br_startoff, |
e0a12bda | 491 | irec.br_startblock, irec.br_blockcount); |
ea4a8de1 | 492 | if (error2) { |
75372fed DC |
493 | /* |
494 | * we don't want to clear the inode due to an | |
495 | * internal bmap tracking error, but if we've | |
496 | * run out of memory then we simply can't | |
497 | * validate that the filesystem is consistent. | |
498 | * Hence just abort at this point with an ENOMEM | |
499 | * error. | |
500 | */ | |
501 | do_abort( | |
502 | _("Fatal error: inode %" PRIu64 " - blkmap_set_ext(): %s\n" | |
503 | "\t%s fork, off - %" PRIu64 ", start - %" PRIu64 ", cnt %" PRIu64 "\n"), | |
ea4a8de1 | 504 | ino, strerror(error2), forkname, |
75372fed DC |
505 | irec.br_startoff, irec.br_startblock, |
506 | irec.br_blockcount); | |
507 | } | |
508 | } | |
509 | ||
1e77098c MV |
510 | /* |
511 | * Profiling shows that the following loop takes the | |
512 | * most time in all of xfs_repair. | |
513 | */ | |
e0a12bda BN |
514 | agno = XFS_FSB_TO_AGNO(mp, irec.br_startblock); |
515 | agbno = XFS_FSB_TO_AGBNO(mp, irec.br_startblock); | |
8961bfde | 516 | ebno = agbno + irec.br_blockcount; |
2556c98b BN |
517 | if (agno != locked_agno) { |
518 | if (locked_agno != -1) | |
586f8abf DC |
519 | pthread_mutex_unlock(&ag_locks[locked_agno].lock); |
520 | pthread_mutex_lock(&ag_locks[agno].lock); | |
2556c98b BN |
521 | locked_agno = agno; |
522 | } | |
523 | ||
8961bfde BN |
524 | for (b = irec.br_startblock; |
525 | agbno < ebno; | |
526 | b += blen, agbno += blen) { | |
527 | state = get_bmap_ext(agno, agbno, ebno, &blen); | |
2bd0ea18 NS |
528 | switch (state) { |
529 | case XR_E_FREE: | |
530 | case XR_E_FREE1: | |
5d1b7f0f CH |
531 | do_warn( |
532 | _("%s fork in ino %" PRIu64 " claims free block %" PRIu64 "\n"), | |
14f8b681 | 533 | forkname, ino, (uint64_t) b); |
7c432f77 | 534 | fallthrough; |
0f94fa4b | 535 | case XR_E_INUSE1: /* seen by rmap */ |
2bd0ea18 | 536 | case XR_E_UNKNOWN: |
2bd0ea18 | 537 | break; |
2556c98b | 538 | |
2bd0ea18 | 539 | case XR_E_BAD_STATE: |
5d1b7f0f | 540 | do_error(_("bad state in block map %" PRIu64 "\n"), b); |
2556c98b | 541 | |
0f94fa4b DW |
542 | case XR_E_FS_MAP1: |
543 | case XR_E_INO1: | |
544 | case XR_E_INUSE_FS1: | |
545 | do_warn(_("rmap claims metadata use!\n")); | |
7c432f77 | 546 | fallthrough; |
2bd0ea18 NS |
547 | case XR_E_FS_MAP: |
548 | case XR_E_INO: | |
549 | case XR_E_INUSE_FS: | |
85c9f7f4 | 550 | case XR_E_REFC: |
5d1b7f0f CH |
551 | do_warn( |
552 | _("%s fork in inode %" PRIu64 " claims metadata block %" PRIu64 "\n"), | |
553 | forkname, ino, b); | |
2556c98b BN |
554 | goto done; |
555 | ||
2bd0ea18 NS |
556 | case XR_E_INUSE: |
557 | case XR_E_MULT: | |
a406779b | 558 | if (type == XR_INO_DATA && |
2660e653 | 559 | xfs_has_reflink(mp)) |
a406779b | 560 | break; |
5d1b7f0f CH |
561 | do_warn( |
562 | _("%s fork in %s inode %" PRIu64 " claims used block %" PRIu64 "\n"), | |
563 | forkname, ftype, ino, b); | |
2556c98b BN |
564 | goto done; |
565 | ||
85c9f7f4 DW |
566 | case XR_E_COW: |
567 | do_warn( | |
568 | _("%s fork in %s inode %" PRIu64 " claims CoW block %" PRIu64 "\n"), | |
569 | forkname, ftype, ino, b); | |
570 | goto done; | |
571 | ||
2bd0ea18 | 572 | default: |
5d1b7f0f CH |
573 | do_error( |
574 | _("illegal state %d in block map %" PRIu64 "\n"), | |
2bd0ea18 | 575 | state, b); |
bf678507 DW |
576 | goto done; |
577 | } | |
578 | } | |
579 | ||
36669577 DW |
580 | if (check_dups) { |
581 | /* | |
582 | * If we're just checking the bmap for dups and we | |
583 | * didn't find any non-reflink collisions, update our | |
584 | * inode's block count and move on to the next extent. | |
585 | * We're not yet updating the block usage information. | |
586 | */ | |
587 | *tot += irec.br_blockcount; | |
588 | continue; | |
589 | } | |
590 | ||
bf678507 DW |
591 | /* |
592 | * Update the internal extent map only after we've checked | |
593 | * every block in this extent. The first time we reject this | |
594 | * data fork we'll try to rebuild the bmbt from rmap data. | |
595 | * After a successful rebuild we'll try this scan again. | |
596 | * (If the rebuild fails we won't come back here.) | |
597 | */ | |
598 | agbno = XFS_FSB_TO_AGBNO(mp, irec.br_startblock); | |
599 | ebno = agbno + irec.br_blockcount; | |
600 | for (; agbno < ebno; agbno += blen) { | |
601 | state = get_bmap_ext(agno, agbno, ebno, &blen); | |
602 | switch (state) { | |
603 | case XR_E_FREE: | |
604 | case XR_E_FREE1: | |
605 | case XR_E_INUSE1: | |
606 | case XR_E_UNKNOWN: | |
607 | set_bmap_ext(agno, agbno, blen, XR_E_INUSE); | |
608 | break; | |
609 | case XR_E_INUSE: | |
610 | case XR_E_MULT: | |
611 | set_bmap_ext(agno, agbno, blen, XR_E_MULT); | |
612 | break; | |
613 | default: | |
614 | break; | |
2bd0ea18 NS |
615 | } |
616 | } | |
9e0f480e | 617 | if (collect_rmaps) { /* && !check_dups */ |
2d273771 | 618 | error = rmap_add_rec(mp, ino, whichfork, &irec); |
9e0f480e DW |
619 | if (error) |
620 | do_error( | |
621 | _("couldn't add reverse mapping\n") | |
622 | ); | |
623 | } | |
e0a12bda | 624 | *tot += irec.br_blockcount; |
2bd0ea18 | 625 | } |
2556c98b BN |
626 | error = 0; |
627 | done: | |
628 | if (locked_agno != -1) | |
586f8abf | 629 | pthread_mutex_unlock(&ag_locks[locked_agno].lock); |
e1f43b4c CH |
630 | |
631 | if (i != *numrecs) { | |
632 | ASSERT(i < *numrecs); | |
633 | do_warn(_("correcting nextents for inode %" PRIu64 "\n"), ino); | |
634 | *numrecs = i; | |
635 | } | |
636 | ||
2556c98b | 637 | return error; |
2bd0ea18 NS |
638 | } |
639 | ||
640 | /* | |
641 | * return 1 if inode should be cleared, 0 otherwise, sets block bitmap | |
642 | * as a side-effect | |
643 | */ | |
644 | int | |
645 | process_bmbt_reclist( | |
646 | xfs_mount_t *mp, | |
5e656dbb | 647 | xfs_bmbt_rec_t *rp, |
e1f43b4c | 648 | int *numrecs, |
2bd0ea18 NS |
649 | int type, |
650 | xfs_ino_t ino, | |
5a35bf2c | 651 | xfs_rfsblock_t *tot, |
2bd0ea18 | 652 | blkmap_t **blkmapp, |
5a35bf2c DC |
653 | xfs_fileoff_t *first_key, |
654 | xfs_fileoff_t *last_key, | |
2bd0ea18 NS |
655 | int whichfork) |
656 | { | |
5e656dbb BN |
657 | return process_bmbt_reclist_int(mp, rp, numrecs, type, ino, tot, |
658 | blkmapp, first_key, last_key, 0, whichfork); | |
2bd0ea18 NS |
659 | } |
660 | ||
661 | /* | |
662 | * return 1 if inode should be cleared, 0 otherwise, does not set | |
663 | * block bitmap | |
664 | */ | |
665 | int | |
666 | scan_bmbt_reclist( | |
667 | xfs_mount_t *mp, | |
5e656dbb | 668 | xfs_bmbt_rec_t *rp, |
e1f43b4c | 669 | int *numrecs, |
2bd0ea18 NS |
670 | int type, |
671 | xfs_ino_t ino, | |
5a35bf2c | 672 | xfs_rfsblock_t *tot, |
2bd0ea18 NS |
673 | int whichfork) |
674 | { | |
5a35bf2c DC |
675 | xfs_fileoff_t first_key = 0; |
676 | xfs_fileoff_t last_key = 0; | |
2bd0ea18 | 677 | |
5e656dbb BN |
678 | return process_bmbt_reclist_int(mp, rp, numrecs, type, ino, tot, |
679 | NULL, &first_key, &last_key, 1, whichfork); | |
2bd0ea18 NS |
680 | } |
681 | ||
682 | /* | |
15028317 DW |
683 | * Grab the buffer backing an inode. This is meant for routines that |
684 | * work with inodes one at a time in any order (like walking the | |
685 | * unlinked lists to look for inodes). The caller is responsible for | |
686 | * writing/releasing the buffer. | |
2bd0ea18 | 687 | */ |
15028317 DW |
688 | struct xfs_buf * |
689 | get_agino_buf( | |
690 | struct xfs_mount *mp, | |
691 | xfs_agnumber_t agno, | |
692 | xfs_agino_t agino, | |
693 | struct xfs_dinode **dipp) | |
2bd0ea18 | 694 | { |
15028317 | 695 | struct xfs_buf *bp; |
15028317 DW |
696 | xfs_agino_t cluster_agino; |
697 | xfs_daddr_t cluster_daddr; | |
698 | xfs_daddr_t cluster_blks; | |
e7fd2b6f | 699 | struct xfs_ino_geometry *igeo = M_IGEO(mp); |
31079e67 | 700 | int error; |
2bd0ea18 | 701 | |
15028317 DW |
702 | /* |
703 | * Inode buffers have been read into memory in inode_cluster_size | |
704 | * chunks (or one FSB). To find the correct buffer for an inode, | |
705 | * we must find the buffer for its cluster, add the appropriate | |
706 | * offset, and return that. | |
707 | */ | |
41baceb7 DW |
708 | cluster_agino = agino & ~(igeo->inodes_per_cluster - 1); |
709 | cluster_blks = XFS_FSB_TO_DADDR(mp, igeo->blocks_per_cluster); | |
15028317 DW |
710 | cluster_daddr = XFS_AGB_TO_DADDR(mp, agno, |
711 | XFS_AGINO_TO_AGBNO(mp, cluster_agino)); | |
712 | ||
713 | #ifdef XR_INODE_TRACE | |
714 | printf("cluster_size %d ipc %d clusagino %d daddr %lld sectors %lld\n", | |
41baceb7 DW |
715 | M_IGEO(mp)->inode_cluster_size, M_IGEO(mp)->inodes_per_cluster, |
716 | cluster_agino, cluster_daddr, cluster_blks); | |
15028317 DW |
717 | #endif |
718 | ||
31079e67 DW |
719 | error = -libxfs_buf_read(mp->m_dev, cluster_daddr, cluster_blks, 0, |
720 | &bp, &xfs_inode_buf_ops); | |
721 | if (error) { | |
5d1b7f0f | 722 | do_warn(_("cannot read inode (%u/%u), disk block %" PRIu64 "\n"), |
15028317 DW |
723 | agno, cluster_agino, cluster_daddr); |
724 | return NULL; | |
2bd0ea18 NS |
725 | } |
726 | ||
15028317 | 727 | *dipp = xfs_make_iptr(mp, bp, agino - cluster_agino); |
2660e653 | 728 | ASSERT(!xfs_has_crc(mp) || |
15028317 DW |
729 | XFS_AGINO_TO_INO(mp, agno, agino) == |
730 | be64_to_cpu((*dipp)->di_ino)); | |
731 | return bp; | |
2bd0ea18 NS |
732 | } |
733 | ||
2bd0ea18 NS |
734 | /* |
735 | * higher level inode processing stuff starts here: | |
736 | * first, one utility routine for each type of inode | |
737 | */ | |
738 | ||
739 | /* | |
740 | * return 1 if inode should be cleared, 0 otherwise | |
741 | */ | |
8b8a6b02 | 742 | static int |
2bd0ea18 NS |
743 | process_btinode( |
744 | xfs_mount_t *mp, | |
745 | xfs_agnumber_t agno, | |
746 | xfs_agino_t ino, | |
747 | xfs_dinode_t *dip, | |
748 | int type, | |
749 | int *dirty, | |
5a35bf2c | 750 | xfs_rfsblock_t *tot, |
14f8b681 | 751 | uint64_t *nex, |
2bd0ea18 NS |
752 | blkmap_t **blkmapp, |
753 | int whichfork, | |
754 | int check_dups) | |
755 | { | |
756 | xfs_bmdr_block_t *dib; | |
5a35bf2c DC |
757 | xfs_fileoff_t last_key; |
758 | xfs_fileoff_t first_key = 0; | |
2bd0ea18 NS |
759 | xfs_ino_t lino; |
760 | xfs_bmbt_ptr_t *pp; | |
761 | xfs_bmbt_key_t *pkey; | |
beed0dc8 | 762 | char *forkname = get_forkname(whichfork); |
2bd0ea18 | 763 | int i; |
9234d416 BN |
764 | int level; |
765 | int numrecs; | |
2bd0ea18 | 766 | bmap_cursor_t cursor; |
14f8b681 | 767 | uint64_t magic; |
2bd0ea18 | 768 | |
46eca962 | 769 | dib = (xfs_bmdr_block_t *)XFS_DFORK_PTR(dip, whichfork); |
2bd0ea18 NS |
770 | lino = XFS_AGINO_TO_INO(mp, agno, ino); |
771 | *tot = 0; | |
772 | *nex = 0; | |
773 | ||
2660e653 | 774 | magic = xfs_has_crc(mp) ? XFS_BMAP_CRC_MAGIC |
e0607266 DC |
775 | : XFS_BMAP_MAGIC; |
776 | ||
5e656dbb BN |
777 | level = be16_to_cpu(dib->bb_level); |
778 | numrecs = be16_to_cpu(dib->bb_numrecs); | |
9234d416 BN |
779 | |
780 | if ((level == 0) || (level > XFS_BM_MAXLEVELS(mp, whichfork))) { | |
2bd0ea18 | 781 | /* |
2bd0ea18 NS |
782 | * XXX - if we were going to fix up the inode, |
783 | * we'd try to treat the fork as an interior | |
784 | * node and see if we could get an accurate | |
785 | * level value from one of the blocks pointed | |
786 | * to by the pointers in the fork. For now | |
787 | * though, we just bail (and blow out the inode). | |
788 | */ | |
5d1b7f0f CH |
789 | do_warn( |
790 | _("bad level %d in inode %" PRIu64 " bmap btree root block\n"), | |
9234d416 BN |
791 | level, XFS_AGINO_TO_INO(mp, agno, ino)); |
792 | return(1); | |
793 | } | |
794 | if (numrecs == 0) { | |
5d1b7f0f CH |
795 | do_warn( |
796 | _("bad numrecs 0 in inode %" PRIu64 " bmap btree root block\n"), | |
2bd0ea18 NS |
797 | XFS_AGINO_TO_INO(mp, agno, ino)); |
798 | return(1); | |
799 | } | |
800 | /* | |
801 | * use bmdr/dfork_dsize since the root block is in the data fork | |
802 | */ | |
5e656dbb | 803 | if (XFS_BMDR_SPACE_CALC(numrecs) > XFS_DFORK_SIZE(dip, mp, whichfork)) { |
2bd0ea18 | 804 | do_warn( |
507f4e33 | 805 | _("indicated size of %s btree root (%d bytes) greater than space in " |
5d1b7f0f | 806 | "inode %" PRIu64 " %s fork\n"), |
9234d416 | 807 | forkname, XFS_BMDR_SPACE_CALC(numrecs), lino, forkname); |
2bd0ea18 NS |
808 | return(1); |
809 | } | |
810 | ||
9234d416 BN |
811 | init_bm_cursor(&cursor, level + 1); |
812 | ||
b3563c19 | 813 | pp = XFS_BMDR_PTR_ADDR(dib, 1, |
e2f60652 | 814 | libxfs_bmdr_maxrecs(XFS_DFORK_SIZE(dip, mp, whichfork), 0)); |
b3563c19 | 815 | pkey = XFS_BMDR_KEY_ADDR(dib, 1); |
5a35bf2c | 816 | last_key = NULLFILEOFF; |
2bd0ea18 | 817 | |
9234d416 | 818 | for (i = 0; i < numrecs; i++) { |
2bd0ea18 NS |
819 | /* |
820 | * XXX - if we were going to do more to fix up the inode | |
821 | * btree, we'd do it right here. For now, if there's a | |
822 | * problem, we'll bail out and presumably clear the inode. | |
823 | */ | |
a6bd55d3 | 824 | if (!libxfs_verify_fsbno(mp, get_unaligned_be64(&pp[i]))) { |
fb36a55d ES |
825 | do_warn( |
826 | _("bad bmap btree ptr 0x%" PRIx64 " in ino %" PRIu64 "\n"), | |
827 | get_unaligned_be64(&pp[i]), lino); | |
2bd0ea18 NS |
828 | return(1); |
829 | } | |
830 | ||
fb36a55d ES |
831 | if (scan_lbtree(get_unaligned_be64(&pp[i]), level, scan_bmapbt, |
832 | type, whichfork, lino, tot, nex, blkmapp, | |
833 | &cursor, 1, check_dups, magic, | |
834 | &xfs_bmbt_buf_ops)) | |
2bd0ea18 NS |
835 | return(1); |
836 | /* | |
837 | * fix key (offset) mismatches between the keys in root | |
838 | * block records and the first key of each child block. | |
839 | * fixes cases where entries have been shifted between | |
840 | * blocks but the parent hasn't been updated | |
841 | */ | |
5e656dbb | 842 | if (!check_dups && cursor.level[level-1].first_key != |
fb36a55d | 843 | get_unaligned_be64(&pkey[i].br_startoff)) { |
2bd0ea18 NS |
844 | if (!no_modify) { |
845 | do_warn( | |
fb36a55d ES |
846 | _("correcting key in bmbt root (was %" PRIu64 ", now %" PRIu64") in inode " |
847 | "%" PRIu64" %s fork\n"), | |
848 | get_unaligned_be64(&pkey[i].br_startoff), | |
849 | cursor.level[level-1].first_key, | |
850 | XFS_AGINO_TO_INO(mp, agno, ino), | |
851 | forkname); | |
2bd0ea18 | 852 | *dirty = 1; |
fb36a55d ES |
853 | put_unaligned_be64( |
854 | cursor.level[level-1].first_key, | |
855 | &pkey[i].br_startoff); | |
2bd0ea18 NS |
856 | } else { |
857 | do_warn( | |
fb36a55d ES |
858 | _("bad key in bmbt root (is %" PRIu64 ", would reset to %" PRIu64 ") in inode " |
859 | "%" PRIu64 " %s fork\n"), | |
860 | get_unaligned_be64(&pkey[i].br_startoff), | |
861 | cursor.level[level-1].first_key, | |
862 | XFS_AGINO_TO_INO(mp, agno, ino), | |
863 | forkname); | |
2bd0ea18 NS |
864 | } |
865 | } | |
866 | /* | |
867 | * make sure that keys are in ascending order. blow out | |
868 | * inode if the ordering doesn't hold | |
869 | */ | |
870 | if (check_dups == 0) { | |
5a35bf2c | 871 | if (last_key != NULLFILEOFF && last_key >= |
9234d416 | 872 | cursor.level[level-1].first_key) { |
2bd0ea18 | 873 | do_warn( |
5d1b7f0f | 874 | _("out of order bmbt root key %" PRIu64 " in inode %" PRIu64 " %s fork\n"), |
2bd0ea18 NS |
875 | first_key, |
876 | XFS_AGINO_TO_INO(mp, agno, ino), | |
877 | forkname); | |
878 | return(1); | |
879 | } | |
9234d416 | 880 | last_key = cursor.level[level-1].first_key; |
2bd0ea18 NS |
881 | } |
882 | } | |
2e10b140 ES |
883 | /* |
884 | * Ideally if all the extents are ok (perhaps after further | |
885 | * checks below?) we'd just move this back into extents format. | |
886 | * But for now clear it, as the kernel will choke on this | |
887 | */ | |
888 | if (*nex <= XFS_DFORK_SIZE(dip, mp, whichfork) / | |
889 | sizeof(xfs_bmbt_rec_t)) { | |
890 | do_warn( | |
5d1b7f0f | 891 | _("extent count for ino %" PRIu64 " %s fork too low (%" PRIu64 ") for file format\n"), |
2e10b140 ES |
892 | lino, forkname, *nex); |
893 | return(1); | |
894 | } | |
2bd0ea18 NS |
895 | /* |
896 | * Check that the last child block's forward sibling pointer | |
897 | * is NULL. | |
898 | */ | |
899 | if (check_dups == 0 && | |
5a35bf2c | 900 | cursor.level[0].right_fsbno != NULLFSBLOCK) { |
2bd0ea18 | 901 | do_warn( |
5a35bf2c | 902 | _("bad fwd (right) sibling pointer (saw %" PRIu64 " should be NULLFSBLOCK)\n"), |
2bd0ea18 NS |
903 | cursor.level[0].right_fsbno); |
904 | do_warn( | |
5d1b7f0f | 905 | _("\tin inode %" PRIu64 " (%s fork) bmap btree block %" PRIu64 "\n"), |
2bd0ea18 NS |
906 | XFS_AGINO_TO_INO(mp, agno, ino), forkname, |
907 | cursor.level[0].fsbno); | |
908 | return(1); | |
909 | } | |
dfc130f3 | 910 | |
2bd0ea18 NS |
911 | return(0); |
912 | } | |
913 | ||
914 | /* | |
915 | * return 1 if inode should be cleared, 0 otherwise | |
916 | */ | |
8b8a6b02 | 917 | static int |
2bd0ea18 NS |
918 | process_exinode( |
919 | xfs_mount_t *mp, | |
920 | xfs_agnumber_t agno, | |
921 | xfs_agino_t ino, | |
922 | xfs_dinode_t *dip, | |
923 | int type, | |
924 | int *dirty, | |
5a35bf2c | 925 | xfs_rfsblock_t *tot, |
14f8b681 | 926 | uint64_t *nex, |
2bd0ea18 NS |
927 | blkmap_t **blkmapp, |
928 | int whichfork, | |
929 | int check_dups) | |
930 | { | |
931 | xfs_ino_t lino; | |
5e656dbb | 932 | xfs_bmbt_rec_t *rp; |
5a35bf2c DC |
933 | xfs_fileoff_t first_key; |
934 | xfs_fileoff_t last_key; | |
5fa28531 | 935 | int32_t numrecs; |
e1f43b4c | 936 | int ret; |
2bd0ea18 NS |
937 | |
938 | lino = XFS_AGINO_TO_INO(mp, agno, ino); | |
5e656dbb | 939 | rp = (xfs_bmbt_rec_t *)XFS_DFORK_PTR(dip, whichfork); |
2bd0ea18 | 940 | *tot = 0; |
e1f43b4c CH |
941 | numrecs = XFS_DFORK_NEXTENTS(dip, whichfork); |
942 | ||
5fa28531 DC |
943 | /* |
944 | * We've already decided on the maximum number of extents on the inode, | |
945 | * and numrecs may be corrupt. Hence make sure we only allow numrecs to | |
946 | * be in the range of valid on-disk numbers, which is: | |
947 | * 0 < numrecs < 2^31 - 1 | |
948 | */ | |
949 | if (numrecs < 0) | |
950 | numrecs = *nex; | |
951 | ||
2bd0ea18 NS |
952 | /* |
953 | * XXX - if we were going to fix up the btree record, | |
954 | * we'd do it right here. For now, if there's a problem, | |
955 | * we'll bail out and presumably clear the inode. | |
956 | */ | |
957 | if (check_dups == 0) | |
e1f43b4c | 958 | ret = process_bmbt_reclist(mp, rp, &numrecs, type, lino, |
2bd0ea18 | 959 | tot, blkmapp, &first_key, &last_key, |
e1f43b4c | 960 | whichfork); |
2bd0ea18 | 961 | else |
e1f43b4c CH |
962 | ret = scan_bmbt_reclist(mp, rp, &numrecs, type, lino, tot, |
963 | whichfork); | |
964 | ||
965 | *nex = numrecs; | |
966 | return ret; | |
2bd0ea18 NS |
967 | } |
968 | ||
969 | /* | |
970 | * return 1 if inode should be cleared, 0 otherwise | |
971 | */ | |
5e656dbb | 972 | static int |
2bd0ea18 | 973 | process_lclinode( |
2fd09353 CM |
974 | xfs_mount_t *mp, |
975 | xfs_agnumber_t agno, | |
976 | xfs_agino_t ino, | |
977 | xfs_dinode_t *dip, | |
978 | int whichfork) | |
2bd0ea18 | 979 | { |
2fd09353 CM |
980 | struct xfs_attr_shortform *asf; |
981 | xfs_ino_t lino; | |
2bd0ea18 | 982 | |
2bd0ea18 | 983 | lino = XFS_AGINO_TO_INO(mp, agno, ino); |
56b2de80 | 984 | if (whichfork == XFS_DATA_FORK && be64_to_cpu(dip->di_size) > |
5e656dbb | 985 | XFS_DFORK_DSIZE(dip, mp)) { |
2bd0ea18 | 986 | do_warn( |
4de63245 | 987 | _("local inode %" PRIu64 " data fork is too large (size = %lld, max = %zu)\n"), |
5d1b7f0f | 988 | lino, (unsigned long long) be64_to_cpu(dip->di_size), |
46eca962 | 989 | XFS_DFORK_DSIZE(dip, mp)); |
2bd0ea18 NS |
990 | return(1); |
991 | } else if (whichfork == XFS_ATTR_FORK) { | |
2fd09353 | 992 | asf = (struct xfs_attr_shortform *)XFS_DFORK_APTR(dip); |
5e656dbb | 993 | if (be16_to_cpu(asf->hdr.totsize) > XFS_DFORK_ASIZE(dip, mp)) { |
2bd0ea18 | 994 | do_warn( |
4de63245 | 995 | _("local inode %" PRIu64 " attr fork too large (size %d, max = %zu)\n"), |
5e656dbb | 996 | lino, be16_to_cpu(asf->hdr.totsize), |
46eca962 | 997 | XFS_DFORK_ASIZE(dip, mp)); |
2bd0ea18 NS |
998 | return(1); |
999 | } | |
5e656dbb | 1000 | if (be16_to_cpu(asf->hdr.totsize) < sizeof(xfs_attr_sf_hdr_t)) { |
2bd0ea18 | 1001 | do_warn( |
5d1b7f0f | 1002 | _("local inode %" PRIu64 " attr too small (size = %d, min size = %zd)\n"), |
5e656dbb | 1003 | lino, be16_to_cpu(asf->hdr.totsize), |
507f4e33 | 1004 | sizeof(xfs_attr_sf_hdr_t)); |
2bd0ea18 NS |
1005 | return(1); |
1006 | } | |
1007 | } | |
1008 | ||
1009 | return(0); | |
1010 | } | |
1011 | ||
8b8a6b02 | 1012 | static int |
2bd0ea18 NS |
1013 | process_symlink_extlist(xfs_mount_t *mp, xfs_ino_t lino, xfs_dinode_t *dino) |
1014 | { | |
5a35bf2c | 1015 | xfs_fileoff_t expected_offset; |
e0a12bda BN |
1016 | xfs_bmbt_rec_t *rp; |
1017 | xfs_bmbt_irec_t irec; | |
2bd0ea18 NS |
1018 | int numrecs; |
1019 | int i; | |
1020 | int max_blocks; | |
2bd0ea18 | 1021 | |
56b2de80 | 1022 | if (be64_to_cpu(dino->di_size) <= XFS_DFORK_DSIZE(dino, mp)) { |
f8149110 | 1023 | if (dino->di_format == XFS_DINODE_FMT_LOCAL) |
5e656dbb | 1024 | return 0; |
5d1b7f0f CH |
1025 | do_warn( |
1026 | _("mismatch between format (%d) and size (%" PRId64 ") in symlink ino %" PRIu64 "\n"), | |
1027 | dino->di_format, | |
14f8b681 | 1028 | (int64_t)be64_to_cpu(dino->di_size), lino); |
5e656dbb BN |
1029 | return 1; |
1030 | } | |
56b2de80 | 1031 | if (dino->di_format == XFS_DINODE_FMT_LOCAL) { |
5d1b7f0f | 1032 | do_warn( |
b52923f3 | 1033 | _("mismatch between format (%d) and size (%" PRId64 ") in symlink inode %" PRIu64 "\n"), |
5d1b7f0f | 1034 | dino->di_format, |
14f8b681 | 1035 | (int64_t)be64_to_cpu(dino->di_size), lino); |
5e656dbb | 1036 | return 1; |
2bd0ea18 NS |
1037 | } |
1038 | ||
5e656dbb | 1039 | rp = (xfs_bmbt_rec_t *)XFS_DFORK_DPTR(dino); |
56b2de80 | 1040 | numrecs = be32_to_cpu(dino->di_nextents); |
2bd0ea18 NS |
1041 | |
1042 | /* | |
1043 | * the max # of extents in a symlink inode is equal to the | |
dfc130f3 | 1044 | * number of max # of blocks required to store the symlink |
2bd0ea18 NS |
1045 | */ |
1046 | if (numrecs > max_symlink_blocks) { | |
1047 | do_warn( | |
5d1b7f0f | 1048 | _("bad number of extents (%d) in symlink %" PRIu64 " data fork\n"), |
2bd0ea18 NS |
1049 | numrecs, lino); |
1050 | return(1); | |
1051 | } | |
1052 | ||
1053 | max_blocks = max_symlink_blocks; | |
1054 | expected_offset = 0; | |
1055 | ||
5e656dbb | 1056 | for (i = 0; i < numrecs; i++) { |
ff105f75 | 1057 | libxfs_bmbt_disk_get_all((rp +i), &irec); |
e0a12bda | 1058 | if (irec.br_startoff != expected_offset) { |
2bd0ea18 | 1059 | do_warn( |
5d1b7f0f | 1060 | _("bad extent #%d offset (%" PRIu64 ") in symlink %" PRIu64 " data fork\n"), |
e0a12bda | 1061 | i, irec.br_startoff, lino); |
2bd0ea18 NS |
1062 | return(1); |
1063 | } | |
e0a12bda | 1064 | if (irec.br_blockcount == 0 || irec.br_blockcount > max_blocks) { |
2bd0ea18 | 1065 | do_warn( |
5d1b7f0f | 1066 | _("bad extent #%d count (%" PRIu64 ") in symlink %" PRIu64 " data fork\n"), |
e0a12bda | 1067 | i, irec.br_blockcount, lino); |
2bd0ea18 NS |
1068 | return(1); |
1069 | } | |
1070 | ||
e0a12bda BN |
1071 | max_blocks -= irec.br_blockcount; |
1072 | expected_offset += irec.br_blockcount; | |
2bd0ea18 NS |
1073 | } |
1074 | ||
1075 | return(0); | |
1076 | } | |
1077 | ||
1078 | /* | |
1079 | * takes a name and length and returns 1 if the name contains | |
1080 | * a \0, returns 0 otherwise | |
1081 | */ | |
8b8a6b02 | 1082 | static int |
2bd0ea18 NS |
1083 | null_check(char *name, int length) |
1084 | { | |
1085 | int i; | |
1086 | ||
5a707ca1 | 1087 | ASSERT(length < XFS_SYMLINK_MAXLEN); |
2bd0ea18 NS |
1088 | |
1089 | for (i = 0; i < length; i++, name++) { | |
1090 | if (*name == '\0') | |
1091 | return(1); | |
1092 | } | |
1093 | ||
1094 | return(0); | |
1095 | } | |
1096 | ||
5857dce9 ES |
1097 | /* |
1098 | * This does /not/ do quotacheck, it validates the basic quota | |
1099 | * inode metadata, checksums, etc. | |
1100 | */ | |
1101 | #define uuid_equal(s,d) (platform_uuid_compare((s),(d)) == 0) | |
1102 | static int | |
1103 | process_quota_inode( | |
1104 | struct xfs_mount *mp, | |
1105 | xfs_ino_t lino, | |
1106 | struct xfs_dinode *dino, | |
1107 | uint ino_type, | |
1108 | struct blkmap *blkmap) | |
1109 | { | |
1110 | xfs_fsblock_t fsbno; | |
1111 | struct xfs_buf *bp; | |
1112 | xfs_filblks_t dqchunklen; | |
1113 | uint dqperchunk; | |
83695f94 DW |
1114 | int quota_type = 0; |
1115 | char *quota_string = NULL; | |
5857dce9 ES |
1116 | xfs_dqid_t dqid; |
1117 | xfs_fileoff_t qbno; | |
1118 | int i; | |
1119 | int t = 0; | |
31079e67 | 1120 | int error; |
5857dce9 ES |
1121 | |
1122 | switch (ino_type) { | |
1123 | case XR_INO_UQUOTA: | |
8e4128a7 | 1124 | quota_type = XFS_DQTYPE_USER; |
5857dce9 ES |
1125 | quota_string = _("User quota"); |
1126 | break; | |
1127 | case XR_INO_GQUOTA: | |
8e4128a7 | 1128 | quota_type = XFS_DQTYPE_GROUP; |
5857dce9 ES |
1129 | quota_string = _("Group quota"); |
1130 | break; | |
1131 | case XR_INO_PQUOTA: | |
8e4128a7 | 1132 | quota_type = XFS_DQTYPE_PROJ; |
5857dce9 ES |
1133 | quota_string = _("Project quota"); |
1134 | break; | |
1135 | default: | |
1136 | ASSERT(0); | |
1137 | } | |
1138 | ||
1139 | dqchunklen = XFS_FSB_TO_BB(mp, XFS_DQUOT_CLUSTER_SIZE_FSB); | |
585acbe8 | 1140 | dqperchunk = libxfs_calc_dquots_per_chunk(dqchunklen); |
5857dce9 ES |
1141 | dqid = 0; |
1142 | qbno = NULLFILEOFF; | |
1143 | ||
1144 | while ((qbno = blkmap_next_off(blkmap, qbno, &t)) != NULLFILEOFF) { | |
1145 | xfs_dqblk_t *dqb; | |
1146 | int writebuf = 0; | |
1147 | ||
1148 | fsbno = blkmap_get(blkmap, qbno); | |
1149 | dqid = (xfs_dqid_t)qbno * dqperchunk; | |
1150 | ||
31079e67 DW |
1151 | error = -libxfs_buf_read(mp->m_dev, |
1152 | XFS_FSB_TO_DADDR(mp, fsbno), dqchunklen, | |
1153 | LIBXFS_READBUF_SALVAGE, &bp, | |
1154 | &xfs_dquot_buf_ops); | |
1155 | if (error) { | |
5857dce9 ES |
1156 | do_warn( |
1157 | _("cannot read inode %" PRIu64 ", file block %" PRIu64 ", disk block %" PRIu64 "\n"), | |
1158 | lino, qbno, fsbno); | |
1159 | return 1; | |
1160 | } | |
1161 | ||
1162 | dqb = bp->b_addr; | |
1163 | for (i = 0; i < dqperchunk; i++, dqid++, dqb++) { | |
5857dce9 ES |
1164 | int bad_dqb = 0; |
1165 | ||
1166 | /* We only print the first problem we find */ | |
2660e653 | 1167 | if (xfs_has_crc(mp)) { |
585acbe8 ES |
1168 | if (!libxfs_verify_cksum((char *)dqb, |
1169 | sizeof(*dqb), | |
5857dce9 ES |
1170 | XFS_DQUOT_CRC_OFF)) { |
1171 | do_warn(_("%s: bad CRC for id %u. "), | |
1172 | quota_string, dqid); | |
1173 | bad_dqb = 1; | |
1174 | goto bad; | |
1175 | } | |
1176 | ||
1177 | if (!uuid_equal(&dqb->dd_uuid, | |
1178 | &mp->m_sb.sb_meta_uuid)) { | |
1179 | do_warn(_("%s: bad UUID for id %u. "), | |
1180 | quota_string, dqid); | |
1181 | bad_dqb = 1; | |
1182 | goto bad; | |
1183 | } | |
1184 | } | |
bce109af DW |
1185 | if (libxfs_dquot_verify(mp, &dqb->dd_diskdq, dqid) |
1186 | != NULL || | |
cde0e6a6 | 1187 | (dqb->dd_diskdq.d_type & XFS_DQTYPE_REC_MASK) |
bce109af | 1188 | != quota_type) { |
5857dce9 ES |
1189 | do_warn(_("%s: Corrupt quota for id %u. "), |
1190 | quota_string, dqid); | |
1191 | bad_dqb = 1; | |
1192 | } | |
1193 | ||
1194 | bad: | |
1195 | if (bad_dqb) { | |
1196 | if (no_modify) | |
1197 | do_warn(_("Would correct.\n")); | |
1198 | else { | |
1199 | do_warn(_("Corrected.\n")); | |
e1d3178a | 1200 | libxfs_dqblk_repair(mp, dqb, |
585acbe8 | 1201 | dqid, quota_type); |
5857dce9 ES |
1202 | writebuf = 1; |
1203 | } | |
1204 | } | |
1205 | } | |
1206 | ||
18b4f688 | 1207 | if (writebuf && !no_modify) { |
f524ae04 | 1208 | libxfs_buf_mark_dirty(bp); |
18b4f688 DW |
1209 | libxfs_buf_relse(bp); |
1210 | } | |
5857dce9 | 1211 | else |
e02ba985 | 1212 | libxfs_buf_relse(bp); |
5857dce9 ES |
1213 | } |
1214 | return 0; | |
1215 | } | |
1216 | ||
2019931a DC |
1217 | static int |
1218 | process_symlink_remote( | |
1219 | struct xfs_mount *mp, | |
1220 | xfs_ino_t lino, | |
1221 | struct xfs_dinode *dino, | |
1222 | struct blkmap *blkmap, | |
1223 | char *dst) | |
1224 | { | |
5a35bf2c | 1225 | xfs_fsblock_t fsbno; |
2019931a DC |
1226 | struct xfs_buf *bp; |
1227 | char *src; | |
1228 | int pathlen; | |
1229 | int offset; | |
1230 | int i; | |
31079e67 | 1231 | int error; |
2019931a DC |
1232 | |
1233 | offset = 0; | |
1234 | pathlen = be64_to_cpu(dino->di_size); | |
1235 | i = 0; | |
1236 | ||
1237 | while (pathlen > 0) { | |
1238 | int blk_cnt = 1; | |
1239 | int byte_cnt; | |
7cb3f7fe | 1240 | int badcrc = 0; |
2019931a DC |
1241 | |
1242 | fsbno = blkmap_get(blkmap, i); | |
5a35bf2c | 1243 | if (fsbno == NULLFSBLOCK) { |
2019931a DC |
1244 | do_warn( |
1245 | _("cannot read inode %" PRIu64 ", file block %d, NULL disk block\n"), | |
1246 | lino, i); | |
1247 | return 1; | |
1248 | } | |
1249 | ||
1250 | /* | |
1251 | * There's a symlink header for each contiguous extent. If | |
1252 | * there are contiguous blocks, read them in one go. | |
1253 | */ | |
1254 | while (blk_cnt <= max_symlink_blocks) { | |
1255 | if (blkmap_get(blkmap, i + 1) != fsbno + 1) | |
1256 | break; | |
1257 | blk_cnt++; | |
1258 | i++; | |
1259 | } | |
1260 | ||
1261 | byte_cnt = XFS_FSB_TO_B(mp, blk_cnt); | |
1262 | ||
31079e67 DW |
1263 | error = -libxfs_buf_read(mp->m_dev, |
1264 | XFS_FSB_TO_DADDR(mp, fsbno), BTOBB(byte_cnt), | |
1265 | LIBXFS_READBUF_SALVAGE, &bp, | |
1266 | &xfs_symlink_buf_ops); | |
1267 | if (error) { | |
2019931a DC |
1268 | do_warn( |
1269 | _("cannot read inode %" PRIu64 ", file block %d, disk block %" PRIu64 "\n"), | |
1270 | lino, i, fsbno); | |
1271 | return 1; | |
1272 | } | |
d2be29d4 DW |
1273 | if (bp->b_error == -EFSCORRUPTED) { |
1274 | do_warn( | |
1275 | _("Corrupt symlink remote block %" PRIu64 ", inode %" PRIu64 ".\n"), | |
1276 | fsbno, lino); | |
e02ba985 | 1277 | libxfs_buf_relse(bp); |
d2be29d4 DW |
1278 | return 1; |
1279 | } | |
12b53197 | 1280 | if (bp->b_error == -EFSBADCRC) { |
7cb3f7fe DC |
1281 | do_warn( |
1282 | _("Bad symlink buffer CRC, block %" PRIu64 ", inode %" PRIu64 ".\n" | |
1283 | "Correcting CRC, but symlink may be bad.\n"), fsbno, lino); | |
1284 | badcrc = 1; | |
1285 | } | |
2019931a DC |
1286 | |
1287 | byte_cnt = XFS_SYMLINK_BUF_SPACE(mp, byte_cnt); | |
68d16907 | 1288 | byte_cnt = min(pathlen, byte_cnt); |
2019931a DC |
1289 | |
1290 | src = bp->b_addr; | |
2660e653 | 1291 | if (xfs_has_crc(mp)) { |
ff105f75 DC |
1292 | if (!libxfs_symlink_hdr_ok(lino, offset, |
1293 | byte_cnt, bp)) { | |
2019931a DC |
1294 | do_warn( |
1295 | _("bad symlink header ino %" PRIu64 ", file block %d, disk block %" PRIu64 "\n"), | |
1296 | lino, i, fsbno); | |
e02ba985 | 1297 | libxfs_buf_relse(bp); |
2019931a DC |
1298 | return 1; |
1299 | } | |
1300 | src += sizeof(struct xfs_dsymlink_hdr); | |
1301 | } | |
1302 | ||
1303 | memmove(dst + offset, src, byte_cnt); | |
1304 | ||
1305 | pathlen -= byte_cnt; | |
1306 | offset += byte_cnt; | |
1307 | i++; | |
1308 | ||
18b4f688 | 1309 | if (badcrc && !no_modify) { |
f524ae04 | 1310 | libxfs_buf_mark_dirty(bp); |
18b4f688 DW |
1311 | libxfs_buf_relse(bp); |
1312 | } | |
7cb3f7fe | 1313 | else |
e02ba985 | 1314 | libxfs_buf_relse(bp); |
2019931a DC |
1315 | } |
1316 | return 0; | |
1317 | } | |
1318 | ||
2bd0ea18 NS |
1319 | /* |
1320 | * like usual, returns 0 if everything's ok and 1 if something's | |
1321 | * bogus | |
1322 | */ | |
8b8a6b02 | 1323 | static int |
0459b626 BN |
1324 | process_symlink( |
1325 | xfs_mount_t *mp, | |
1326 | xfs_ino_t lino, | |
1327 | xfs_dinode_t *dino, | |
1328 | blkmap_t *blkmap) | |
2bd0ea18 | 1329 | { |
2116b6a6 | 1330 | char *symlink; |
5a707ca1 | 1331 | char data[XFS_SYMLINK_MAXLEN]; |
2bd0ea18 NS |
1332 | |
1333 | /* | |
1334 | * check size against kernel symlink limits. we know | |
1335 | * size is consistent with inode storage format -- e.g. | |
1336 | * the inode is structurally ok so we don't have to check | |
1337 | * for that | |
1338 | */ | |
5a707ca1 | 1339 | if (be64_to_cpu(dino->di_size) >= XFS_SYMLINK_MAXLEN) { |
5d1b7f0f CH |
1340 | do_warn(_("symlink in inode %" PRIu64 " too long (%llu chars)\n"), |
1341 | lino, (unsigned long long) be64_to_cpu(dino->di_size)); | |
2bd0ea18 NS |
1342 | return(1); |
1343 | } | |
1344 | ||
948ade75 BF |
1345 | if (be64_to_cpu(dino->di_size) == 0) { |
1346 | do_warn(_("zero size symlink in inode %" PRIu64 "\n"), lino); | |
1347 | return 1; | |
1348 | } | |
1349 | ||
2bd0ea18 NS |
1350 | /* |
1351 | * have to check symlink component by component. | |
1352 | * get symlink contents into data area | |
1353 | */ | |
1354 | symlink = &data[0]; | |
56b2de80 | 1355 | if (be64_to_cpu(dino->di_size) <= XFS_DFORK_DSIZE(dino, mp)) { |
2bd0ea18 NS |
1356 | /* |
1357 | * local symlink, just copy the symlink out of the | |
1358 | * inode into the data area | |
1359 | */ | |
f8149110 | 1360 | memmove(symlink, XFS_DFORK_DPTR(dino), |
56b2de80 | 1361 | be64_to_cpu(dino->di_size)); |
2bd0ea18 | 1362 | } else { |
2019931a | 1363 | int error; |
e0607266 | 1364 | |
2019931a DC |
1365 | error = process_symlink_remote(mp, lino, dino, blkmap, symlink); |
1366 | if (error) | |
1367 | return error; | |
2bd0ea18 | 1368 | } |
2019931a | 1369 | |
56b2de80 | 1370 | data[be64_to_cpu(dino->di_size)] = '\0'; |
2bd0ea18 NS |
1371 | |
1372 | /* | |
1373 | * check for nulls | |
1374 | */ | |
56b2de80 | 1375 | if (null_check(symlink, be64_to_cpu(dino->di_size))) { |
507f4e33 | 1376 | do_warn( |
5d1b7f0f | 1377 | _("found illegal null character in symlink inode %" PRIu64 "\n"), |
2bd0ea18 NS |
1378 | lino); |
1379 | return(1); | |
1380 | } | |
1381 | ||
2bd0ea18 NS |
1382 | return(0); |
1383 | } | |
1384 | ||
1385 | /* | |
1386 | * called to process the set of misc inode special inode types | |
1387 | * that have no associated data storage (fifos, pipes, devices, etc.). | |
1388 | */ | |
0459b626 | 1389 | static int |
2bd0ea18 NS |
1390 | process_misc_ino_types(xfs_mount_t *mp, |
1391 | xfs_dinode_t *dino, | |
1392 | xfs_ino_t lino, | |
1393 | int type) | |
1394 | { | |
2bd0ea18 NS |
1395 | /* |
1396 | * must also have a zero size | |
1397 | */ | |
56b2de80 | 1398 | if (be64_to_cpu(dino->di_size) != 0) { |
2bd0ea18 NS |
1399 | switch (type) { |
1400 | case XR_INO_CHRDEV: | |
5d1b7f0f CH |
1401 | do_warn( |
1402 | _("size of character device inode %" PRIu64 " != 0 (%" PRId64 " bytes)\n"), lino, | |
14f8b681 | 1403 | (int64_t)be64_to_cpu(dino->di_size)); |
2bd0ea18 NS |
1404 | break; |
1405 | case XR_INO_BLKDEV: | |
5d1b7f0f CH |
1406 | do_warn( |
1407 | _("size of block device inode %" PRIu64 " != 0 (%" PRId64 " bytes)\n"), lino, | |
14f8b681 | 1408 | (int64_t)be64_to_cpu(dino->di_size)); |
2bd0ea18 NS |
1409 | break; |
1410 | case XR_INO_SOCK: | |
5d1b7f0f CH |
1411 | do_warn( |
1412 | _("size of socket inode %" PRIu64 " != 0 (%" PRId64 " bytes)\n"), lino, | |
14f8b681 | 1413 | (int64_t)be64_to_cpu(dino->di_size)); |
2bd0ea18 NS |
1414 | break; |
1415 | case XR_INO_FIFO: | |
5d1b7f0f CH |
1416 | do_warn( |
1417 | _("size of fifo inode %" PRIu64 " != 0 (%" PRId64 " bytes)\n"), lino, | |
14f8b681 | 1418 | (int64_t)be64_to_cpu(dino->di_size)); |
2bd0ea18 | 1419 | break; |
5857dce9 ES |
1420 | case XR_INO_UQUOTA: |
1421 | case XR_INO_GQUOTA: | |
1422 | case XR_INO_PQUOTA: | |
1423 | do_warn( | |
1424 | _("size of quota inode %" PRIu64 " != 0 (%" PRId64 " bytes)\n"), lino, | |
1425 | (int64_t)be64_to_cpu(dino->di_size)); | |
1426 | break; | |
2bd0ea18 | 1427 | default: |
507f4e33 NS |
1428 | do_warn(_("Internal error - process_misc_ino_types, " |
1429 | "illegal type %d\n"), type); | |
2bd0ea18 NS |
1430 | abort(); |
1431 | } | |
1432 | ||
1433 | return(1); | |
1434 | } | |
1435 | ||
1436 | return(0); | |
1437 | } | |
1438 | ||
5e656dbb | 1439 | static int |
5a35bf2c | 1440 | process_misc_ino_types_blocks(xfs_rfsblock_t totblocks, xfs_ino_t lino, int type) |
2bd0ea18 NS |
1441 | { |
1442 | /* | |
1443 | * you can not enforce all misc types have zero data fork blocks | |
56b2de80 | 1444 | * by checking dino->di_nblocks because atotblocks (attribute |
2bd0ea18 | 1445 | * blocks) are part of nblocks. We must check this later when atotblocks |
dfc130f3 | 1446 | * has been calculated or by doing a simple check that anExtents == 0. |
2bd0ea18 NS |
1447 | * We must also guarantee that totblocks is 0. Thus nblocks checking |
1448 | * will be done later in process_dinode_int for misc types. | |
1449 | */ | |
1450 | ||
1451 | if (totblocks != 0) { | |
1452 | switch (type) { | |
1453 | case XR_INO_CHRDEV: | |
1454 | do_warn( | |
5d1b7f0f | 1455 | _("size of character device inode %" PRIu64 " != 0 (%" PRIu64 " blocks)\n"), |
2bd0ea18 NS |
1456 | lino, totblocks); |
1457 | break; | |
1458 | case XR_INO_BLKDEV: | |
1459 | do_warn( | |
5d1b7f0f | 1460 | _("size of block device inode %" PRIu64 " != 0 (%" PRIu64 " blocks)\n"), |
2bd0ea18 NS |
1461 | lino, totblocks); |
1462 | break; | |
1463 | case XR_INO_SOCK: | |
1464 | do_warn( | |
5d1b7f0f | 1465 | _("size of socket inode %" PRIu64 " != 0 (%" PRIu64 " blocks)\n"), |
2bd0ea18 NS |
1466 | lino, totblocks); |
1467 | break; | |
1468 | case XR_INO_FIFO: | |
1469 | do_warn( | |
5d1b7f0f | 1470 | _("size of fifo inode %" PRIu64 " != 0 (%" PRIu64 " blocks)\n"), |
2bd0ea18 NS |
1471 | lino, totblocks); |
1472 | break; | |
1473 | default: | |
1474 | return(0); | |
1475 | } | |
1476 | return(1); | |
1477 | } | |
1478 | return (0); | |
1479 | } | |
1480 | ||
0459b626 BN |
1481 | static inline int |
1482 | dinode_fmt( | |
56b2de80 | 1483 | xfs_dinode_t *dino) |
2bd0ea18 | 1484 | { |
56b2de80 | 1485 | return be16_to_cpu(dino->di_mode) & S_IFMT; |
0459b626 | 1486 | } |
2bd0ea18 | 1487 | |
0459b626 BN |
1488 | static inline void |
1489 | change_dinode_fmt( | |
56b2de80 | 1490 | xfs_dinode_t *dino, |
0459b626 BN |
1491 | int new_fmt) |
1492 | { | |
56b2de80 | 1493 | int mode = be16_to_cpu(dino->di_mode); |
2bd0ea18 | 1494 | |
0459b626 | 1495 | ASSERT((new_fmt & ~S_IFMT) == 0); |
2bd0ea18 | 1496 | |
0459b626 BN |
1497 | mode &= ~S_IFMT; |
1498 | mode |= new_fmt; | |
56b2de80 | 1499 | dino->di_mode = cpu_to_be16(mode); |
0459b626 BN |
1500 | } |
1501 | ||
1502 | static int | |
1503 | check_dinode_mode_format( | |
56b2de80 | 1504 | xfs_dinode_t *dinoc) |
0459b626 | 1505 | { |
5e656dbb | 1506 | if (dinoc->di_format >= XFS_DINODE_FMT_UUID) |
0459b626 BN |
1507 | return -1; /* FMT_UUID is not used */ |
1508 | ||
1509 | switch (dinode_fmt(dinoc)) { | |
1510 | case S_IFIFO: | |
1511 | case S_IFCHR: | |
1512 | case S_IFBLK: | |
1513 | case S_IFSOCK: | |
1514 | return (dinoc->di_format != XFS_DINODE_FMT_DEV) ? -1 : 0; | |
1515 | ||
1516 | case S_IFDIR: | |
1517 | return (dinoc->di_format < XFS_DINODE_FMT_LOCAL || | |
1518 | dinoc->di_format > XFS_DINODE_FMT_BTREE) ? -1 : 0; | |
1519 | ||
1520 | case S_IFREG: | |
1521 | return (dinoc->di_format < XFS_DINODE_FMT_EXTENTS || | |
1522 | dinoc->di_format > XFS_DINODE_FMT_BTREE) ? -1 : 0; | |
1523 | ||
1524 | case S_IFLNK: | |
1525 | return (dinoc->di_format < XFS_DINODE_FMT_LOCAL || | |
1526 | dinoc->di_format > XFS_DINODE_FMT_EXTENTS) ? -1 : 0; | |
1527 | ||
1528 | default: ; | |
1529 | } | |
1530 | return 0; /* invalid modes are checked elsewhere */ | |
1531 | } | |
1532 | ||
1533 | /* | |
1534 | * If inode is a superblock inode, does type check to make sure is it valid. | |
1535 | * Returns 0 if it's valid, non-zero if it needs to be cleared. | |
1536 | */ | |
1537 | ||
1538 | static int | |
1539 | process_check_sb_inodes( | |
1540 | xfs_mount_t *mp, | |
56b2de80 | 1541 | xfs_dinode_t *dinoc, |
0459b626 BN |
1542 | xfs_ino_t lino, |
1543 | int *type, | |
1544 | int *dirty) | |
1545 | { | |
1546 | if (lino == mp->m_sb.sb_rootino) { | |
5857dce9 | 1547 | if (*type != XR_INO_DIR) { |
5d1b7f0f | 1548 | do_warn(_("root inode %" PRIu64 " has bad type 0x%x\n"), |
0459b626 BN |
1549 | lino, dinode_fmt(dinoc)); |
1550 | *type = XR_INO_DIR; | |
2bd0ea18 | 1551 | if (!no_modify) { |
0459b626 BN |
1552 | do_warn(_("resetting to directory\n")); |
1553 | change_dinode_fmt(dinoc, S_IFDIR); | |
2bd0ea18 | 1554 | *dirty = 1; |
0459b626 BN |
1555 | } else |
1556 | do_warn(_("would reset to directory\n")); | |
2bd0ea18 | 1557 | } |
0459b626 | 1558 | return 0; |
2bd0ea18 | 1559 | } |
0459b626 | 1560 | if (lino == mp->m_sb.sb_uquotino) { |
5857dce9 | 1561 | if (*type != XR_INO_UQUOTA) { |
5d1b7f0f | 1562 | do_warn(_("user quota inode %" PRIu64 " has bad type 0x%x\n"), |
0459b626 BN |
1563 | lino, dinode_fmt(dinoc)); |
1564 | mp->m_sb.sb_uquotino = NULLFSINO; | |
1565 | return 1; | |
1566 | } | |
1567 | return 0; | |
1568 | } | |
1569 | if (lino == mp->m_sb.sb_gquotino) { | |
5857dce9 | 1570 | if (*type != XR_INO_GQUOTA) { |
5d1b7f0f | 1571 | do_warn(_("group quota inode %" PRIu64 " has bad type 0x%x\n"), |
0459b626 BN |
1572 | lino, dinode_fmt(dinoc)); |
1573 | mp->m_sb.sb_gquotino = NULLFSINO; | |
1574 | return 1; | |
1575 | } | |
1576 | return 0; | |
1577 | } | |
0340d706 | 1578 | if (lino == mp->m_sb.sb_pquotino) { |
5857dce9 | 1579 | if (*type != XR_INO_PQUOTA) { |
0340d706 CS |
1580 | do_warn(_("project quota inode %" PRIu64 " has bad type 0x%x\n"), |
1581 | lino, dinode_fmt(dinoc)); | |
1582 | mp->m_sb.sb_pquotino = NULLFSINO; | |
1583 | return 1; | |
1584 | } | |
1585 | return 0; | |
1586 | } | |
0459b626 BN |
1587 | if (lino == mp->m_sb.sb_rsumino) { |
1588 | if (*type != XR_INO_RTSUM) { | |
5d1b7f0f CH |
1589 | do_warn( |
1590 | _("realtime summary inode %" PRIu64 " has bad type 0x%x, "), | |
0459b626 | 1591 | lino, dinode_fmt(dinoc)); |
2bd0ea18 | 1592 | if (!no_modify) { |
0459b626 BN |
1593 | do_warn(_("resetting to regular file\n")); |
1594 | change_dinode_fmt(dinoc, S_IFREG); | |
2bd0ea18 | 1595 | *dirty = 1; |
2bd0ea18 | 1596 | } else { |
0459b626 | 1597 | do_warn(_("would reset to regular file\n")); |
2bd0ea18 | 1598 | } |
2bd0ea18 | 1599 | } |
0459b626 | 1600 | if (mp->m_sb.sb_rblocks == 0 && dinoc->di_nextents != 0) { |
5d1b7f0f CH |
1601 | do_warn( |
1602 | _("bad # of extents (%u) for realtime summary inode %" PRIu64 "\n"), | |
0459b626 BN |
1603 | be32_to_cpu(dinoc->di_nextents), lino); |
1604 | return 1; | |
1605 | } | |
1606 | return 0; | |
2bd0ea18 | 1607 | } |
0459b626 BN |
1608 | if (lino == mp->m_sb.sb_rbmino) { |
1609 | if (*type != XR_INO_RTBITMAP) { | |
5d1b7f0f CH |
1610 | do_warn( |
1611 | _("realtime bitmap inode %" PRIu64 " has bad type 0x%x, "), | |
0459b626 | 1612 | lino, dinode_fmt(dinoc)); |
2bd0ea18 | 1613 | if (!no_modify) { |
0459b626 BN |
1614 | do_warn(_("resetting to regular file\n")); |
1615 | change_dinode_fmt(dinoc, S_IFREG); | |
2bd0ea18 | 1616 | *dirty = 1; |
0459b626 BN |
1617 | } else { |
1618 | do_warn(_("would reset to regular file\n")); | |
2bd0ea18 | 1619 | } |
2bd0ea18 | 1620 | } |
0459b626 | 1621 | if (mp->m_sb.sb_rblocks == 0 && dinoc->di_nextents != 0) { |
5d1b7f0f CH |
1622 | do_warn( |
1623 | _("bad # of extents (%u) for realtime bitmap inode %" PRIu64 "\n"), | |
0459b626 BN |
1624 | be32_to_cpu(dinoc->di_nextents), lino); |
1625 | return 1; | |
2bd0ea18 | 1626 | } |
0459b626 BN |
1627 | return 0; |
1628 | } | |
1629 | return 0; | |
1630 | } | |
2bd0ea18 | 1631 | |
0459b626 BN |
1632 | /* |
1633 | * general size/consistency checks: | |
1634 | * | |
1635 | * if the size <= size of the data fork, directories must be | |
1636 | * local inodes unlike regular files which would be extent inodes. | |
1637 | * all the other mentioned types have to have a zero size value. | |
1638 | * | |
1639 | * if the size and format don't match, get out now rather than | |
1640 | * risk trying to process a non-existent extents or btree | |
1641 | * type data fork. | |
1642 | */ | |
1643 | static int | |
1644 | process_check_inode_sizes( | |
1645 | xfs_mount_t *mp, | |
1646 | xfs_dinode_t *dino, | |
1647 | xfs_ino_t lino, | |
1648 | int type) | |
1649 | { | |
56b2de80 | 1650 | xfs_fsize_t size = be64_to_cpu(dino->di_size); |
2bd0ea18 | 1651 | |
0459b626 | 1652 | switch (type) { |
2bd0ea18 | 1653 | |
0459b626 BN |
1654 | case XR_INO_DIR: |
1655 | if (size <= XFS_DFORK_DSIZE(dino, mp) && | |
56b2de80 | 1656 | dino->di_format != XFS_DINODE_FMT_LOCAL) { |
5d1b7f0f CH |
1657 | do_warn( |
1658 | _("mismatch between format (%d) and size (%" PRId64 ") in directory ino %" PRIu64 "\n"), | |
56b2de80 | 1659 | dino->di_format, size, lino); |
0459b626 | 1660 | return 1; |
2bd0ea18 | 1661 | } |
42237e34 | 1662 | if (size > XFS_DIR2_LEAF_OFFSET) { |
5d1b7f0f CH |
1663 | do_warn( |
1664 | _("directory inode %" PRIu64 " has bad size %" PRId64 "\n"), | |
42237e34 BN |
1665 | lino, size); |
1666 | return 1; | |
1667 | } | |
0459b626 | 1668 | break; |
2bd0ea18 | 1669 | |
0459b626 BN |
1670 | case XR_INO_SYMLINK: |
1671 | if (process_symlink_extlist(mp, lino, dino)) { | |
5d1b7f0f | 1672 | do_warn(_("bad data fork in symlink %" PRIu64 "\n"), lino); |
0459b626 BN |
1673 | return 1; |
1674 | } | |
1675 | break; | |
2bd0ea18 | 1676 | |
7c432f77 DW |
1677 | case XR_INO_CHRDEV: |
1678 | case XR_INO_BLKDEV: | |
1679 | case XR_INO_SOCK: | |
0459b626 BN |
1680 | case XR_INO_FIFO: |
1681 | if (process_misc_ino_types(mp, dino, lino, type)) | |
1682 | return 1; | |
1683 | break; | |
2bd0ea18 | 1684 | |
5857dce9 ES |
1685 | case XR_INO_UQUOTA: |
1686 | case XR_INO_GQUOTA: | |
1687 | case XR_INO_PQUOTA: | |
1688 | /* Quota inodes have same restrictions as above types */ | |
1689 | if (process_misc_ino_types(mp, dino, lino, type)) | |
1690 | return 1; | |
1691 | break; | |
1692 | ||
0459b626 BN |
1693 | case XR_INO_RTDATA: |
1694 | /* | |
1695 | * if we have no realtime blocks, any inode claiming | |
1696 | * to be a real-time file is bogus | |
1697 | */ | |
1698 | if (mp->m_sb.sb_rblocks == 0) { | |
5d1b7f0f CH |
1699 | do_warn( |
1700 | _("found inode %" PRIu64 " claiming to be a real-time file\n"), lino); | |
0459b626 | 1701 | return 1; |
2bd0ea18 | 1702 | } |
0459b626 | 1703 | break; |
2bd0ea18 | 1704 | |
0459b626 | 1705 | case XR_INO_RTBITMAP: |
14f8b681 | 1706 | if (size != (int64_t)mp->m_sb.sb_rbmblocks * |
0459b626 | 1707 | mp->m_sb.sb_blocksize) { |
5d1b7f0f CH |
1708 | do_warn( |
1709 | _("realtime bitmap inode %" PRIu64 " has bad size %" PRId64 " (should be %" PRIu64 ")\n"), | |
1710 | lino, size, | |
14f8b681 | 1711 | (int64_t) mp->m_sb.sb_rbmblocks * |
0459b626 BN |
1712 | mp->m_sb.sb_blocksize); |
1713 | return 1; | |
1714 | } | |
1715 | break; | |
2bd0ea18 | 1716 | |
0459b626 BN |
1717 | case XR_INO_RTSUM: |
1718 | if (size != mp->m_rsumsize) { | |
5d1b7f0f CH |
1719 | do_warn( |
1720 | _("realtime summary inode %" PRIu64 " has bad size %" PRId64 " (should be %d)\n"), | |
0459b626 BN |
1721 | lino, size, mp->m_rsumsize); |
1722 | return 1; | |
1723 | } | |
1724 | break; | |
2bd0ea18 | 1725 | |
0459b626 BN |
1726 | default: |
1727 | break; | |
1728 | } | |
1729 | return 0; | |
1730 | } | |
2bd0ea18 | 1731 | |
0459b626 BN |
1732 | /* |
1733 | * check for illegal values of forkoff | |
1734 | */ | |
1735 | static int | |
1736 | process_check_inode_forkoff( | |
1737 | xfs_mount_t *mp, | |
56b2de80 | 1738 | xfs_dinode_t *dino, |
0459b626 BN |
1739 | xfs_ino_t lino) |
1740 | { | |
56b2de80 | 1741 | if (dino->di_forkoff == 0) |
0459b626 | 1742 | return 0; |
2bd0ea18 | 1743 | |
56b2de80 | 1744 | switch (dino->di_format) { |
0459b626 | 1745 | case XFS_DINODE_FMT_DEV: |
56b2de80 | 1746 | if (dino->di_forkoff != (roundup(sizeof(xfs_dev_t), 8) >> 3)) { |
5d1b7f0f CH |
1747 | do_warn( |
1748 | _("bad attr fork offset %d in dev inode %" PRIu64 ", should be %d\n"), | |
1749 | dino->di_forkoff, lino, | |
0459b626 BN |
1750 | (int)(roundup(sizeof(xfs_dev_t), 8) >> 3)); |
1751 | return 1; | |
1752 | } | |
2bd0ea18 | 1753 | break; |
7c432f77 DW |
1754 | case XFS_DINODE_FMT_LOCAL: |
1755 | case XFS_DINODE_FMT_EXTENTS: | |
0459b626 | 1756 | case XFS_DINODE_FMT_BTREE: |
4de63245 | 1757 | if (dino->di_forkoff >= (XFS_LITINO(mp) >> 3)) { |
5d1b7f0f | 1758 | do_warn( |
4de63245 CH |
1759 | _("bad attr fork offset %d in inode %" PRIu64 ", max=%zu\n"), |
1760 | dino->di_forkoff, lino, XFS_LITINO(mp) >> 3); | |
0459b626 BN |
1761 | return 1; |
1762 | } | |
2bd0ea18 | 1763 | break; |
2bd0ea18 | 1764 | default: |
56b2de80 | 1765 | do_error(_("unexpected inode format %d\n"), dino->di_format); |
0459b626 | 1766 | break; |
2bd0ea18 | 1767 | } |
0459b626 BN |
1768 | return 0; |
1769 | } | |
2bd0ea18 | 1770 | |
0459b626 BN |
1771 | /* |
1772 | * Updates the inodes block and extent counts if they are wrong | |
1773 | */ | |
1774 | static int | |
1775 | process_inode_blocks_and_extents( | |
56b2de80 | 1776 | xfs_dinode_t *dino, |
5a35bf2c | 1777 | xfs_rfsblock_t nblocks, |
14f8b681 DW |
1778 | uint64_t nextents, |
1779 | uint64_t anextents, | |
0459b626 BN |
1780 | xfs_ino_t lino, |
1781 | int *dirty) | |
1782 | { | |
56b2de80 | 1783 | if (nblocks != be64_to_cpu(dino->di_nblocks)) { |
2bd0ea18 | 1784 | if (!no_modify) { |
5d1b7f0f CH |
1785 | do_warn( |
1786 | _("correcting nblocks for inode %" PRIu64 ", was %llu - counted %" PRIu64 "\n"), lino, | |
1787 | (unsigned long long) be64_to_cpu(dino->di_nblocks), | |
1788 | nblocks); | |
56b2de80 | 1789 | dino->di_nblocks = cpu_to_be64(nblocks); |
0459b626 | 1790 | *dirty = 1; |
2bd0ea18 | 1791 | } else { |
5d1b7f0f CH |
1792 | do_warn( |
1793 | _("bad nblocks %llu for inode %" PRIu64 ", would reset to %" PRIu64 "\n"), | |
1794 | (unsigned long long) be64_to_cpu(dino->di_nblocks), | |
1795 | lino, nblocks); | |
2bd0ea18 NS |
1796 | } |
1797 | } | |
1798 | ||
0459b626 | 1799 | if (nextents > MAXEXTNUM) { |
5d1b7f0f CH |
1800 | do_warn( |
1801 | _("too many data fork extents (%" PRIu64 ") in inode %" PRIu64 "\n"), | |
0459b626 BN |
1802 | nextents, lino); |
1803 | return 1; | |
1804 | } | |
56b2de80 | 1805 | if (nextents != be32_to_cpu(dino->di_nextents)) { |
2bd0ea18 | 1806 | if (!no_modify) { |
5d1b7f0f CH |
1807 | do_warn( |
1808 | _("correcting nextents for inode %" PRIu64 ", was %d - counted %" PRIu64 "\n"), | |
1809 | lino, | |
1810 | be32_to_cpu(dino->di_nextents), | |
1811 | nextents); | |
56b2de80 | 1812 | dino->di_nextents = cpu_to_be32(nextents); |
0459b626 | 1813 | *dirty = 1; |
2bd0ea18 | 1814 | } else { |
5d1b7f0f CH |
1815 | do_warn( |
1816 | _("bad nextents %d for inode %" PRIu64 ", would reset to %" PRIu64 "\n"), | |
1817 | be32_to_cpu(dino->di_nextents), | |
0459b626 | 1818 | lino, nextents); |
2bd0ea18 NS |
1819 | } |
1820 | } | |
1821 | ||
0459b626 | 1822 | if (anextents > MAXAEXTNUM) { |
5d1b7f0f CH |
1823 | do_warn( |
1824 | _("too many attr fork extents (%" PRIu64 ") in inode %" PRIu64 "\n"), | |
0459b626 BN |
1825 | anextents, lino); |
1826 | return 1; | |
2bd0ea18 | 1827 | } |
56b2de80 | 1828 | if (anextents != be16_to_cpu(dino->di_anextents)) { |
2bd0ea18 | 1829 | if (!no_modify) { |
5d1b7f0f CH |
1830 | do_warn( |
1831 | _("correcting anextents for inode %" PRIu64 ", was %d - counted %" PRIu64 "\n"), | |
1832 | lino, | |
56b2de80 DC |
1833 | be16_to_cpu(dino->di_anextents), anextents); |
1834 | dino->di_anextents = cpu_to_be16(anextents); | |
0459b626 BN |
1835 | *dirty = 1; |
1836 | } else { | |
5d1b7f0f CH |
1837 | do_warn( |
1838 | _("bad anextents %d for inode %" PRIu64 ", would reset to %" PRIu64 "\n"), | |
1839 | be16_to_cpu(dino->di_anextents), | |
0459b626 | 1840 | lino, anextents); |
2bd0ea18 | 1841 | } |
2bd0ea18 | 1842 | } |
e1f43b4c CH |
1843 | |
1844 | /* | |
1845 | * We are comparing different units here, but that's fine given that | |
1846 | * an extent has to have at least a block in it. | |
1847 | */ | |
1848 | if (nblocks < nextents + anextents) { | |
1849 | do_warn( | |
1850 | _("nblocks (%" PRIu64 ") smaller than nextents for inode %" PRIu64 "\n"), nblocks, lino); | |
1851 | return 1; | |
1852 | } | |
1853 | ||
0459b626 BN |
1854 | return 0; |
1855 | } | |
2bd0ea18 | 1856 | |
0459b626 BN |
1857 | /* |
1858 | * check data fork -- if it's bad, clear the inode | |
1859 | */ | |
1860 | static int | |
1861 | process_inode_data_fork( | |
1862 | xfs_mount_t *mp, | |
1863 | xfs_agnumber_t agno, | |
1864 | xfs_agino_t ino, | |
1865 | xfs_dinode_t *dino, | |
1866 | int type, | |
1867 | int *dirty, | |
5a35bf2c | 1868 | xfs_rfsblock_t *totblocks, |
14f8b681 | 1869 | uint64_t *nextents, |
0459b626 BN |
1870 | blkmap_t **dblkmap, |
1871 | int check_dups) | |
1872 | { | |
0459b626 BN |
1873 | xfs_ino_t lino = XFS_AGINO_TO_INO(mp, agno, ino); |
1874 | int err = 0; | |
5fa28531 DC |
1875 | int nex; |
1876 | ||
1877 | /* | |
1878 | * extent count on disk is only valid for positive values. The kernel | |
1879 | * uses negative values in memory. hence if we see negative numbers | |
1880 | * here, trash it! | |
1881 | */ | |
1882 | nex = be32_to_cpu(dino->di_nextents); | |
1883 | if (nex < 0) | |
1884 | *nextents = 1; | |
1885 | else | |
1886 | *nextents = nex; | |
2bd0ea18 | 1887 | |
56b2de80 | 1888 | if (*nextents > be64_to_cpu(dino->di_nblocks)) |
0459b626 | 1889 | *nextents = 1; |
2bd0ea18 | 1890 | |
5fa28531 | 1891 | |
56b2de80 | 1892 | if (dino->di_format != XFS_DINODE_FMT_LOCAL && type != XR_INO_RTDATA) |
610f3285 | 1893 | *dblkmap = blkmap_alloc(*nextents, XFS_DATA_FORK); |
0459b626 | 1894 | *nextents = 0; |
2bd0ea18 | 1895 | |
56b2de80 | 1896 | switch (dino->di_format) { |
2bd0ea18 | 1897 | case XFS_DINODE_FMT_LOCAL: |
5e656dbb BN |
1898 | err = process_lclinode(mp, agno, ino, dino, XFS_DATA_FORK); |
1899 | *totblocks = 0; | |
2bd0ea18 NS |
1900 | break; |
1901 | case XFS_DINODE_FMT_EXTENTS: | |
0459b626 BN |
1902 | err = process_exinode(mp, agno, ino, dino, type, dirty, |
1903 | totblocks, nextents, dblkmap, XFS_DATA_FORK, | |
1904 | check_dups); | |
2bd0ea18 NS |
1905 | break; |
1906 | case XFS_DINODE_FMT_BTREE: | |
0459b626 BN |
1907 | err = process_btinode(mp, agno, ino, dino, type, dirty, |
1908 | totblocks, nextents, dblkmap, XFS_DATA_FORK, | |
1909 | check_dups); | |
2bd0ea18 | 1910 | break; |
7c432f77 | 1911 | case XFS_DINODE_FMT_DEV: |
2bd0ea18 NS |
1912 | err = 0; |
1913 | break; | |
1914 | default: | |
5d1b7f0f | 1915 | do_error(_("unknown format %d, ino %" PRIu64 " (mode = %d)\n"), |
56b2de80 | 1916 | dino->di_format, lino, be16_to_cpu(dino->di_mode)); |
2bd0ea18 NS |
1917 | } |
1918 | ||
1919 | if (err) { | |
5d1b7f0f | 1920 | do_warn(_("bad data fork in inode %" PRIu64 "\n"), lino); |
2bd0ea18 | 1921 | if (!no_modify) { |
0724d0f4 ES |
1922 | clear_dinode(mp, dino, lino); |
1923 | *dirty += 1; | |
2bd0ea18 | 1924 | } |
0459b626 | 1925 | return 1; |
2bd0ea18 NS |
1926 | } |
1927 | ||
1928 | if (check_dups) { | |
1929 | /* | |
1930 | * if check_dups was non-zero, we have to | |
1931 | * re-process data fork to set bitmap since the | |
1932 | * bitmap wasn't set the first time through | |
1933 | */ | |
56b2de80 | 1934 | switch (dino->di_format) { |
2bd0ea18 | 1935 | case XFS_DINODE_FMT_LOCAL: |
f8149110 | 1936 | err = process_lclinode(mp, agno, ino, dino, |
5e656dbb | 1937 | XFS_DATA_FORK); |
2bd0ea18 NS |
1938 | break; |
1939 | case XFS_DINODE_FMT_EXTENTS: | |
1940 | err = process_exinode(mp, agno, ino, dino, type, | |
0459b626 | 1941 | dirty, totblocks, nextents, dblkmap, |
2bd0ea18 NS |
1942 | XFS_DATA_FORK, 0); |
1943 | break; | |
1944 | case XFS_DINODE_FMT_BTREE: | |
1945 | err = process_btinode(mp, agno, ino, dino, type, | |
0459b626 | 1946 | dirty, totblocks, nextents, dblkmap, |
2bd0ea18 NS |
1947 | XFS_DATA_FORK, 0); |
1948 | break; | |
7c432f77 | 1949 | case XFS_DINODE_FMT_DEV: |
2bd0ea18 NS |
1950 | err = 0; |
1951 | break; | |
1952 | default: | |
5d1b7f0f | 1953 | do_error(_("unknown format %d, ino %" PRIu64 " (mode = %d)\n"), |
56b2de80 DC |
1954 | dino->di_format, lino, |
1955 | be16_to_cpu(dino->di_mode)); | |
2bd0ea18 NS |
1956 | } |
1957 | ||
0459b626 BN |
1958 | if (no_modify && err != 0) |
1959 | return 1; | |
2bd0ea18 NS |
1960 | |
1961 | ASSERT(err == 0); | |
1962 | } | |
0459b626 BN |
1963 | return 0; |
1964 | } | |
2bd0ea18 | 1965 | |
0459b626 BN |
1966 | /* |
1967 | * Process extended attribute fork in inode | |
1968 | */ | |
1969 | static int | |
1970 | process_inode_attr_fork( | |
1971 | xfs_mount_t *mp, | |
1972 | xfs_agnumber_t agno, | |
1973 | xfs_agino_t ino, | |
1974 | xfs_dinode_t *dino, | |
1975 | int type, | |
1976 | int *dirty, | |
5a35bf2c | 1977 | xfs_rfsblock_t *atotblocks, |
14f8b681 | 1978 | uint64_t *anextents, |
0459b626 BN |
1979 | int check_dups, |
1980 | int extra_attr_check, | |
1981 | int *retval) | |
1982 | { | |
0459b626 BN |
1983 | xfs_ino_t lino = XFS_AGINO_TO_INO(mp, agno, ino); |
1984 | blkmap_t *ablkmap = NULL; | |
1985 | int repair = 0; | |
1986 | int err; | |
1987 | ||
8c6cccd7 | 1988 | if (!dino->di_forkoff) { |
0459b626 | 1989 | *anextents = 0; |
56b2de80 | 1990 | if (dino->di_aformat != XFS_DINODE_FMT_EXTENTS) { |
5d1b7f0f | 1991 | do_warn(_("bad attribute format %d in inode %" PRIu64 ", "), |
56b2de80 | 1992 | dino->di_aformat, lino); |
0459b626 BN |
1993 | if (!no_modify) { |
1994 | do_warn(_("resetting value\n")); | |
56b2de80 | 1995 | dino->di_aformat = XFS_DINODE_FMT_EXTENTS; |
0459b626 BN |
1996 | *dirty = 1; |
1997 | } else | |
1998 | do_warn(_("would reset value\n")); | |
1999 | } | |
2000 | return 0; | |
2001 | } | |
2bd0ea18 | 2002 | |
56b2de80 DC |
2003 | *anextents = be16_to_cpu(dino->di_anextents); |
2004 | if (*anextents > be64_to_cpu(dino->di_nblocks)) | |
0459b626 BN |
2005 | *anextents = 1; |
2006 | ||
56b2de80 | 2007 | switch (dino->di_aformat) { |
0459b626 BN |
2008 | case XFS_DINODE_FMT_LOCAL: |
2009 | *anextents = 0; | |
5e656dbb BN |
2010 | *atotblocks = 0; |
2011 | err = process_lclinode(mp, agno, ino, dino, XFS_ATTR_FORK); | |
0459b626 BN |
2012 | break; |
2013 | case XFS_DINODE_FMT_EXTENTS: | |
610f3285 | 2014 | ablkmap = blkmap_alloc(*anextents, XFS_ATTR_FORK); |
0459b626 BN |
2015 | *anextents = 0; |
2016 | err = process_exinode(mp, agno, ino, dino, type, dirty, | |
2017 | atotblocks, anextents, &ablkmap, | |
2bd0ea18 | 2018 | XFS_ATTR_FORK, check_dups); |
0459b626 BN |
2019 | break; |
2020 | case XFS_DINODE_FMT_BTREE: | |
610f3285 | 2021 | ablkmap = blkmap_alloc(*anextents, XFS_ATTR_FORK); |
0459b626 BN |
2022 | *anextents = 0; |
2023 | err = process_btinode(mp, agno, ino, dino, type, dirty, | |
2024 | atotblocks, anextents, &ablkmap, | |
2bd0ea18 | 2025 | XFS_ATTR_FORK, check_dups); |
0459b626 BN |
2026 | break; |
2027 | default: | |
5d1b7f0f | 2028 | do_warn(_("illegal attribute format %d, ino %" PRIu64 "\n"), |
56b2de80 | 2029 | dino->di_aformat, lino); |
0459b626 BN |
2030 | err = 1; |
2031 | break; | |
2032 | } | |
2bd0ea18 | 2033 | |
0459b626 BN |
2034 | if (err) { |
2035 | /* | |
2036 | * clear the attribute fork if necessary. we can't | |
2037 | * clear the inode because we've already put the | |
2038 | * inode space info into the blockmap. | |
2039 | * | |
2040 | * XXX - put the inode onto the "move it" list and | |
2041 | * log the the attribute scrubbing | |
2042 | */ | |
5d1b7f0f | 2043 | do_warn(_("bad attribute fork in inode %" PRIu64), lino); |
2bd0ea18 | 2044 | |
0459b626 | 2045 | if (!no_modify) { |
28a4f9c0 ES |
2046 | do_warn(_(", clearing attr fork\n")); |
2047 | *dirty += clear_dinode_attr(mp, dino, lino); | |
2048 | dino->di_aformat = XFS_DINODE_FMT_LOCAL; | |
0459b626 BN |
2049 | ASSERT(*dirty > 0); |
2050 | } else { | |
2051 | do_warn(_(", would clear attr fork\n")); | |
2bd0ea18 NS |
2052 | } |
2053 | ||
0459b626 BN |
2054 | *atotblocks = 0; |
2055 | *anextents = 0; | |
2bd0ea18 | 2056 | blkmap_free(ablkmap); |
0459b626 | 2057 | *retval = 1; |
2bd0ea18 | 2058 | |
28a4f9c0 | 2059 | return 0; |
2bd0ea18 NS |
2060 | } |
2061 | ||
0459b626 | 2062 | if (check_dups) { |
56b2de80 | 2063 | switch (dino->di_aformat) { |
0459b626 | 2064 | case XFS_DINODE_FMT_LOCAL: |
f8149110 | 2065 | err = process_lclinode(mp, agno, ino, dino, |
5e656dbb | 2066 | XFS_ATTR_FORK); |
0459b626 BN |
2067 | break; |
2068 | case XFS_DINODE_FMT_EXTENTS: | |
2069 | err = process_exinode(mp, agno, ino, dino, | |
2070 | type, dirty, atotblocks, anextents, | |
2071 | &ablkmap, XFS_ATTR_FORK, 0); | |
2072 | break; | |
2073 | case XFS_DINODE_FMT_BTREE: | |
2074 | err = process_btinode(mp, agno, ino, dino, | |
2075 | type, dirty, atotblocks, anextents, | |
2076 | &ablkmap, XFS_ATTR_FORK, 0); | |
2077 | break; | |
2078 | default: | |
5d1b7f0f | 2079 | do_error(_("illegal attribute fmt %d, ino %" PRIu64 "\n"), |
56b2de80 | 2080 | dino->di_aformat, lino); |
2bd0ea18 | 2081 | } |
2bd0ea18 | 2082 | |
0459b626 BN |
2083 | if (no_modify && err != 0) { |
2084 | blkmap_free(ablkmap); | |
2085 | return 1; | |
2bd0ea18 | 2086 | } |
2bd0ea18 | 2087 | |
0459b626 | 2088 | ASSERT(err == 0); |
2bd0ea18 NS |
2089 | } |
2090 | ||
0459b626 BN |
2091 | /* |
2092 | * do attribute semantic-based consistency checks now | |
2093 | */ | |
2bd0ea18 | 2094 | |
0459b626 BN |
2095 | /* get this only in phase 3, not in both phase 3 and 4 */ |
2096 | if (extra_attr_check && | |
2097 | process_attributes(mp, lino, dino, ablkmap, &repair)) { | |
5d1b7f0f CH |
2098 | do_warn( |
2099 | _("problem with attribute contents in inode %" PRIu64 "\n"), | |
0459b626 BN |
2100 | lino); |
2101 | if (!repair) { | |
2102 | /* clear attributes if not done already */ | |
2103 | if (!no_modify) { | |
2104 | *dirty += clear_dinode_attr(mp, dino, lino); | |
56b2de80 | 2105 | dino->di_aformat = XFS_DINODE_FMT_LOCAL; |
0459b626 BN |
2106 | } else { |
2107 | do_warn(_("would clear attr fork\n")); | |
2108 | } | |
2109 | *atotblocks = 0; | |
2110 | *anextents = 0; | |
2bd0ea18 | 2111 | } |
0459b626 BN |
2112 | else { |
2113 | *dirty = 1; /* it's been repaired */ | |
2bd0ea18 NS |
2114 | } |
2115 | } | |
0459b626 BN |
2116 | blkmap_free(ablkmap); |
2117 | return 0; | |
2118 | } | |
2bd0ea18 | 2119 | |
0459b626 BN |
2120 | /* |
2121 | * check nlinks feature, if it's a version 1 inode, | |
2122 | * just leave nlinks alone. even if it's set wrong, | |
2123 | * it'll be reset when read in. | |
2124 | */ | |
2bd0ea18 | 2125 | |
0459b626 BN |
2126 | static int |
2127 | process_check_inode_nlink_version( | |
56b2de80 | 2128 | xfs_dinode_t *dino, |
0459b626 BN |
2129 | xfs_ino_t lino) |
2130 | { | |
2131 | int dirty = 0; | |
2bd0ea18 | 2132 | |
2bd0ea18 | 2133 | /* |
5f6f3660 | 2134 | * if it's a version 2 inode, it should have a zero |
2bd0ea18 NS |
2135 | * onlink field, so clear it. |
2136 | */ | |
5f6f3660 | 2137 | if (dino->di_version > 1 && dino->di_onlink != 0) { |
0459b626 | 2138 | if (!no_modify) { |
5d1b7f0f CH |
2139 | do_warn( |
2140 | _("clearing obsolete nlink field in version 2 inode %" PRIu64 ", was %d, now 0\n"), | |
56b2de80 DC |
2141 | lino, be16_to_cpu(dino->di_onlink)); |
2142 | dino->di_onlink = 0; | |
0459b626 | 2143 | dirty = 1; |
2bd0ea18 | 2144 | } else { |
5d1b7f0f CH |
2145 | do_warn( |
2146 | _("would clear obsolete nlink field in version 2 inode %" PRIu64 ", currently %d\n"), | |
56b2de80 | 2147 | lino, be16_to_cpu(dino->di_onlink)); |
0459b626 BN |
2148 | } |
2149 | } | |
2150 | return dirty; | |
2151 | } | |
2152 | ||
8fec4f7c DW |
2153 | /* Check nanoseconds of a timestamp don't exceed 1 second. */ |
2154 | static void | |
2155 | check_nsec( | |
2156 | const char *name, | |
2157 | xfs_ino_t lino, | |
37c7dda1 | 2158 | struct xfs_dinode *dip, |
a252aadf | 2159 | xfs_timestamp_t *ts, |
8fec4f7c DW |
2160 | int *dirty) |
2161 | { | |
a252aadf DW |
2162 | struct xfs_legacy_timestamp *t; |
2163 | ||
37c7dda1 DW |
2164 | if (xfs_dinode_has_bigtime(dip)) |
2165 | return; | |
2166 | ||
a252aadf | 2167 | t = (struct xfs_legacy_timestamp *)ts; |
c0e58015 | 2168 | if (be32_to_cpu(t->t_nsec) < NSEC_PER_SEC) |
8fec4f7c DW |
2169 | return; |
2170 | ||
2171 | do_warn( | |
2172 | _("Bad %s nsec %u on inode %" PRIu64 ", "), name, be32_to_cpu(t->t_nsec), lino); | |
2173 | if (no_modify) { | |
2174 | do_warn(_("would reset to zero\n")); | |
2175 | } else { | |
2176 | do_warn(_("resetting to zero\n")); | |
2177 | t->t_nsec = 0; | |
2178 | *dirty = 1; | |
2179 | } | |
2180 | } | |
2181 | ||
5f062427 DW |
2182 | static void |
2183 | validate_extsize( | |
2184 | struct xfs_mount *mp, | |
2185 | struct xfs_dinode *dino, | |
2186 | xfs_ino_t lino, | |
2187 | int *dirty) | |
2188 | { | |
2189 | uint16_t flags = be16_to_cpu(dino->di_flags); | |
2190 | unsigned int value = be32_to_cpu(dino->di_extsize); | |
2191 | bool misaligned = false; | |
2192 | bool bad; | |
2193 | ||
2194 | /* | |
2195 | * XFS allows a sysadmin to change the rt extent size when adding a rt | |
2196 | * section to a filesystem after formatting. If there are any | |
2197 | * directories with extszinherit and rtinherit set, the hint could | |
2198 | * become misaligned with the new rextsize. The verifier doesn't check | |
2199 | * this, because we allow rtinherit directories even without an rt | |
2200 | * device. | |
2201 | */ | |
2202 | if ((flags & XFS_DIFLAG_EXTSZINHERIT) && | |
2203 | (flags & XFS_DIFLAG_RTINHERIT) && | |
2204 | value % mp->m_sb.sb_rextsize > 0) | |
2205 | misaligned = true; | |
2206 | ||
2207 | /* | |
2208 | * Complain if the verifier fails. | |
2209 | * | |
2210 | * Old kernels didn't check the alignment of extsize hints when copying | |
2211 | * them to new regular realtime files. The inode verifier now checks | |
2212 | * the alignment (because misaligned hints cause misbehavior in the rt | |
2213 | * allocator), so we have to complain and fix them. | |
2214 | */ | |
2215 | bad = libxfs_inode_validate_extsize(mp, value, | |
2216 | be16_to_cpu(dino->di_mode), flags) != NULL; | |
2217 | if (bad || misaligned) { | |
2218 | do_warn( | |
2219 | _("Bad extent size hint %u on inode %" PRIu64 ", "), | |
2220 | value, lino); | |
2221 | if (!no_modify) { | |
2222 | do_warn(_("resetting to zero\n")); | |
2223 | dino->di_extsize = 0; | |
2224 | dino->di_flags &= ~cpu_to_be16(XFS_DIFLAG_EXTSIZE | | |
2225 | XFS_DIFLAG_EXTSZINHERIT); | |
2226 | *dirty = 1; | |
2227 | } else | |
2228 | do_warn(_("would reset to zero\n")); | |
2229 | } | |
2230 | } | |
2231 | ||
0459b626 BN |
2232 | /* |
2233 | * returns 0 if the inode is ok, 1 if the inode is corrupt | |
2234 | * check_dups can be set to 1 *only* when called by the | |
2235 | * first pass of the duplicate block checking of phase 4. | |
2236 | * *dirty is set > 0 if the dinode has been altered and | |
2237 | * needs to be written out. | |
2238 | * | |
2239 | * for detailed, info, look at process_dinode() comments. | |
2240 | */ | |
8b8a6b02 | 2241 | static int |
0459b626 BN |
2242 | process_dinode_int(xfs_mount_t *mp, |
2243 | xfs_dinode_t *dino, | |
2244 | xfs_agnumber_t agno, | |
2245 | xfs_agino_t ino, | |
2246 | int was_free, /* 1 if inode is currently free */ | |
2247 | int *dirty, /* out == > 0 if inode is now dirty */ | |
2248 | int *used, /* out == 1 if inode is in use */ | |
2249 | int verify_mode, /* 1 == verify but don't modify inode */ | |
2250 | int uncertain, /* 1 == inode is uncertain */ | |
2251 | int ino_discovery, /* 1 == check dirs for unknown inodes */ | |
2252 | int check_dups, /* 1 == check if inode claims | |
2253 | * duplicate blocks */ | |
2254 | int extra_attr_check, /* 1 == do attribute format and value checks */ | |
2255 | int *isa_dir, /* out == 1 if inode is a directory */ | |
2256 | xfs_ino_t *parent) /* out -- parent if ino is a dir */ | |
2257 | { | |
5a35bf2c DC |
2258 | xfs_rfsblock_t totblocks = 0; |
2259 | xfs_rfsblock_t atotblocks = 0; | |
0459b626 BN |
2260 | int di_mode; |
2261 | int type; | |
2262 | int retval = 0; | |
14f8b681 DW |
2263 | uint64_t nextents; |
2264 | uint64_t anextents; | |
0459b626 BN |
2265 | xfs_ino_t lino; |
2266 | const int is_free = 0; | |
2267 | const int is_used = 1; | |
2268 | blkmap_t *dblkmap = NULL; | |
6bd73d16 | 2269 | xfs_agino_t unlinked_ino; |
0459b626 BN |
2270 | |
2271 | *dirty = *isa_dir = 0; | |
2272 | *used = is_used; | |
2273 | type = XR_INO_UNKNOWN; | |
2274 | ||
0459b626 | 2275 | lino = XFS_AGINO_TO_INO(mp, agno, ino); |
56b2de80 | 2276 | di_mode = be16_to_cpu(dino->di_mode); |
0459b626 BN |
2277 | |
2278 | /* | |
2279 | * if in verify mode, don't modify the inode. | |
2280 | * | |
2281 | * if correcting, reset stuff that has known values | |
2282 | * | |
2283 | * if in uncertain mode, be silent on errors since we're | |
2284 | * trying to find out if these are inodes as opposed | |
2285 | * to assuming that they are. Just return the appropriate | |
2286 | * return code in that case. | |
2287 | * | |
2288 | * If uncertain is set, verify_mode MUST be set. | |
2289 | */ | |
2290 | ASSERT(uncertain == 0 || verify_mode != 0); | |
2291 | ||
7d7c5553 ES |
2292 | /* |
2293 | * This is the only valid point to check the CRC; after this we may have | |
2294 | * made changes which invalidate it, and the CRC is only updated again | |
2295 | * when it gets written out. | |
2296 | * | |
2297 | * Of course if we make any modifications after this, the inode gets | |
2298 | * rewritten, and the CRC is updated automagically. | |
2299 | */ | |
2660e653 | 2300 | if (xfs_has_crc(mp) && |
e2f60652 | 2301 | !libxfs_verify_cksum((char *)dino, mp->m_sb.sb_inodesize, |
7d7c5553 ES |
2302 | XFS_DINODE_CRC_OFF)) { |
2303 | retval = 1; | |
2304 | if (!uncertain) | |
2305 | do_warn(_("bad CRC for inode %" PRIu64 "%c"), | |
2306 | lino, verify_mode ? '\n' : ','); | |
2307 | if (!verify_mode) { | |
2308 | if (!no_modify) { | |
2309 | do_warn(_(" will rewrite\n")); | |
2310 | *dirty = 1; | |
2311 | } else | |
2312 | do_warn(_(" would rewrite\n")); | |
2313 | } | |
2314 | } | |
2315 | ||
56b2de80 | 2316 | if (be16_to_cpu(dino->di_magic) != XFS_DINODE_MAGIC) { |
0459b626 BN |
2317 | retval = 1; |
2318 | if (!uncertain) | |
5d1b7f0f | 2319 | do_warn(_("bad magic number 0x%x on inode %" PRIu64 "%c"), |
56b2de80 | 2320 | be16_to_cpu(dino->di_magic), lino, |
0459b626 BN |
2321 | verify_mode ? '\n' : ','); |
2322 | if (!verify_mode) { | |
2323 | if (!no_modify) { | |
2324 | do_warn(_(" resetting magic number\n")); | |
56b2de80 | 2325 | dino->di_magic = cpu_to_be16(XFS_DINODE_MAGIC); |
0459b626 BN |
2326 | *dirty = 1; |
2327 | } else | |
2328 | do_warn(_(" would reset magic number\n")); | |
2329 | } | |
2330 | } | |
2331 | ||
03d8044d | 2332 | if (!libxfs_dinode_good_version(mp, dino->di_version)) { |
0459b626 BN |
2333 | retval = 1; |
2334 | if (!uncertain) | |
5d1b7f0f | 2335 | do_warn(_("bad version number 0x%x on inode %" PRIu64 "%c"), |
56b2de80 | 2336 | (__s8)dino->di_version, lino, |
0459b626 BN |
2337 | verify_mode ? '\n' : ','); |
2338 | if (!verify_mode) { | |
2339 | if (!no_modify) { | |
2340 | do_warn(_(" resetting version number\n")); | |
e0607266 | 2341 | dino->di_version = |
2660e653 | 2342 | xfs_has_crc(mp) ? 3 : 2; |
0459b626 BN |
2343 | *dirty = 1; |
2344 | } else | |
2345 | do_warn(_(" would reset version number\n")); | |
2346 | } | |
2347 | } | |
2348 | ||
6bd73d16 ES |
2349 | unlinked_ino = be32_to_cpu(dino->di_next_unlinked); |
2350 | if (!xfs_verify_agino_or_null(mp, agno, unlinked_ino)) { | |
2351 | retval = 1; | |
2352 | if (!uncertain) | |
2353 | do_warn(_("bad next_unlinked 0x%x on inode %" PRIu64 "%c"), | |
2354 | be32_to_cpu(dino->di_next_unlinked), lino, | |
2355 | verify_mode ? '\n' : ','); | |
2356 | if (!verify_mode) { | |
2357 | if (!no_modify) { | |
2358 | do_warn(_(" resetting next_unlinked\n")); | |
2359 | clear_dinode_unlinked(mp, dino); | |
2360 | *dirty = 1; | |
2361 | } else | |
2362 | do_warn(_(" would reset next_unlinked\n")); | |
2363 | } | |
2364 | } | |
2365 | ||
e0607266 DC |
2366 | /* |
2367 | * We don't bother checking the CRC here - we cannot guarantee that when | |
2368 | * we are called here that the inode has not already been modified in | |
2369 | * memory and hence invalidated the CRC. | |
2370 | */ | |
2660e653 | 2371 | if (xfs_has_crc(mp)) { |
e0607266 DC |
2372 | if (be64_to_cpu(dino->di_ino) != lino) { |
2373 | if (!uncertain) | |
2374 | do_warn( | |
2375 | _("inode identifier %llu mismatch on inode %" PRIu64 "\n"), | |
51073f86 DW |
2376 | (unsigned long long)be64_to_cpu(dino->di_ino), |
2377 | lino); | |
e0607266 DC |
2378 | if (verify_mode) |
2379 | return 1; | |
2380 | goto clear_bad_out; | |
2381 | } | |
9c4e12fb ES |
2382 | if (platform_uuid_compare(&dino->di_uuid, |
2383 | &mp->m_sb.sb_meta_uuid)) { | |
e0607266 DC |
2384 | if (!uncertain) |
2385 | do_warn( | |
2386 | _("UUID mismatch on inode %" PRIu64 "\n"), lino); | |
2387 | if (verify_mode) | |
2388 | return 1; | |
2389 | goto clear_bad_out; | |
2390 | } | |
2391 | } | |
2392 | ||
0459b626 BN |
2393 | /* |
2394 | * blow out of here if the inode size is < 0 | |
2395 | */ | |
56b2de80 | 2396 | if ((xfs_fsize_t)be64_to_cpu(dino->di_size) < 0) { |
0459b626 | 2397 | if (!uncertain) |
5d1b7f0f CH |
2398 | do_warn( |
2399 | _("bad (negative) size %" PRId64 " on inode %" PRIu64 "\n"), | |
14f8b681 | 2400 | (int64_t)be64_to_cpu(dino->di_size), |
5d1b7f0f | 2401 | lino); |
0459b626 BN |
2402 | if (verify_mode) |
2403 | return 1; | |
2404 | goto clear_bad_out; | |
2405 | } | |
2406 | ||
2407 | /* | |
0724d0f4 | 2408 | * if not in verify mode, check to see if the inode and imap |
0459b626 BN |
2409 | * agree that the inode is free |
2410 | */ | |
2411 | if (!verify_mode && di_mode == 0) { | |
2412 | /* | |
2413 | * was_free value is not meaningful if we're in verify mode | |
2414 | */ | |
2415 | if (was_free) { | |
2416 | /* | |
2e1bf6c5 | 2417 | * easy case, inode free -- inode and map agree, check |
0459b626 BN |
2418 | * it just in case to ensure that format, etc. are |
2419 | * set correctly | |
2420 | */ | |
2e1bf6c5 ES |
2421 | if (libxfs_dinode_verify(mp, lino, dino) != NULL) { |
2422 | do_warn( | |
2423 | _("free inode %" PRIu64 " contains errors, "), lino); | |
2424 | if (!no_modify) { | |
0724d0f4 | 2425 | clear_dinode(mp, dino, lino); |
2e1bf6c5 | 2426 | do_warn(_("corrected\n")); |
0724d0f4 | 2427 | *dirty += 1; |
2e1bf6c5 ES |
2428 | } else { |
2429 | do_warn(_("would correct\n")); | |
2430 | } | |
2431 | } | |
0459b626 BN |
2432 | *used = is_free; |
2433 | return 0; | |
2434 | } | |
2435 | /* | |
2436 | * the inode looks free but the map says it's in use. | |
2437 | * clear the inode just to be safe and mark the inode | |
2438 | * free. | |
2439 | */ | |
5d1b7f0f CH |
2440 | do_warn( |
2441 | _("imap claims a free inode %" PRIu64 " is in use, "), lino); | |
0459b626 BN |
2442 | if (!no_modify) { |
2443 | do_warn(_("correcting imap and clearing inode\n")); | |
0724d0f4 ES |
2444 | clear_dinode(mp, dino, lino); |
2445 | *dirty += 1; | |
0459b626 BN |
2446 | retval = 1; |
2447 | } else | |
2448 | do_warn(_("would correct imap and clear inode\n")); | |
2449 | *used = is_free; | |
2450 | return retval; | |
2451 | } | |
2452 | ||
2453 | /* | |
2454 | * because of the lack of any write ordering guarantee, it's | |
2455 | * possible that the core got updated but the forks didn't. | |
2456 | * so rather than be ambitious (and probably incorrect), | |
2457 | * if there's an inconsistency, we get conservative and | |
2458 | * just pitch the file. blow off checking formats of | |
2459 | * free inodes since technically any format is legal | |
2460 | * as we reset the inode when we re-use it. | |
2461 | */ | |
56b2de80 | 2462 | if (di_mode != 0 && check_dinode_mode_format(dino) != 0) { |
0459b626 | 2463 | if (!uncertain) |
5d1b7f0f CH |
2464 | do_warn( |
2465 | _("bad inode format in inode %" PRIu64 "\n"), lino); | |
0459b626 BN |
2466 | if (verify_mode) |
2467 | return 1; | |
2468 | goto clear_bad_out; | |
2469 | } | |
2470 | ||
bd5683fe DC |
2471 | /* |
2472 | * check that we only have valid flags set, and those that are set make | |
2473 | * sense. | |
2474 | */ | |
56b2de80 DC |
2475 | if (dino->di_flags) { |
2476 | uint16_t flags = be16_to_cpu(dino->di_flags); | |
bd5683fe DC |
2477 | |
2478 | if (flags & ~XFS_DIFLAG_ANY) { | |
c98f31a5 CH |
2479 | if (!uncertain) { |
2480 | do_warn( | |
2481 | _("Bad flags set in inode %" PRIu64 "\n"), | |
2482 | lino); | |
2483 | } | |
5cd0710a | 2484 | flags &= XFS_DIFLAG_ANY; |
bd5683fe DC |
2485 | } |
2486 | ||
e8e72c93 DW |
2487 | /* need an rt-dev for the realtime flag! */ |
2488 | if ((flags & XFS_DIFLAG_REALTIME) && !rt_name) { | |
2489 | if (!uncertain) { | |
2490 | do_warn( | |
c98f31a5 | 2491 | _("inode %" PRIu64 " has RT flag set but there is no RT device\n"), |
e8e72c93 | 2492 | lino); |
bd5683fe | 2493 | } |
e8e72c93 | 2494 | flags &= ~XFS_DIFLAG_REALTIME; |
bd5683fe | 2495 | } |
fb380cb7 | 2496 | if (flags & XFS_DIFLAG_NEWRTBM) { |
bd5683fe DC |
2497 | /* must be a rt bitmap inode */ |
2498 | if (lino != mp->m_sb.sb_rbmino) { | |
c98f31a5 CH |
2499 | if (!uncertain) { |
2500 | do_warn( | |
2501 | _("inode %" PRIu64 " not rt bitmap\n"), | |
2502 | lino); | |
2503 | } | |
fb380cb7 | 2504 | flags &= ~XFS_DIFLAG_NEWRTBM; |
bd5683fe DC |
2505 | } |
2506 | } | |
2507 | if (flags & (XFS_DIFLAG_RTINHERIT | | |
2508 | XFS_DIFLAG_EXTSZINHERIT | | |
2509 | XFS_DIFLAG_PROJINHERIT | | |
2510 | XFS_DIFLAG_NOSYMLINKS)) { | |
2511 | /* must be a directory */ | |
2512 | if (di_mode && !S_ISDIR(di_mode)) { | |
c98f31a5 CH |
2513 | if (!uncertain) { |
2514 | do_warn( | |
2515 | _("directory flags set on non-directory inode %" PRIu64 "\n" ), | |
2516 | lino); | |
2517 | } | |
bd5683fe DC |
2518 | flags &= ~(XFS_DIFLAG_RTINHERIT | |
2519 | XFS_DIFLAG_EXTSZINHERIT | | |
2520 | XFS_DIFLAG_PROJINHERIT | | |
2521 | XFS_DIFLAG_NOSYMLINKS); | |
2522 | } | |
2523 | } | |
83f4b5ac | 2524 | if (flags & (XFS_DIFLAG_REALTIME | FS_XFLAG_EXTSIZE)) { |
bd5683fe DC |
2525 | /* must be a file */ |
2526 | if (di_mode && !S_ISREG(di_mode)) { | |
c98f31a5 CH |
2527 | if (!uncertain) { |
2528 | do_warn( | |
2529 | _("file flags set on non-file inode %" PRIu64 "\n"), | |
2530 | lino); | |
2531 | } | |
bd5683fe | 2532 | flags &= ~(XFS_DIFLAG_REALTIME | |
83f4b5ac | 2533 | FS_XFLAG_EXTSIZE); |
bd5683fe DC |
2534 | } |
2535 | } | |
56b2de80 | 2536 | if (!verify_mode && flags != be16_to_cpu(dino->di_flags)) { |
bd5683fe | 2537 | if (!no_modify) { |
5cd0710a | 2538 | do_warn(_("fixing bad flags.\n")); |
56b2de80 | 2539 | dino->di_flags = cpu_to_be16(flags); |
bd5683fe DC |
2540 | *dirty = 1; |
2541 | } else | |
5cd0710a | 2542 | do_warn(_("would fix bad flags.\n")); |
bd5683fe DC |
2543 | } |
2544 | } | |
2545 | ||
a406779b DW |
2546 | /* |
2547 | * check that we only have valid flags2 set, and those that are set make | |
2548 | * sense. | |
2549 | */ | |
2550 | if (dino->di_version >= 3) { | |
2551 | uint16_t flags = be16_to_cpu(dino->di_flags); | |
2552 | uint64_t flags2 = be64_to_cpu(dino->di_flags2); | |
2553 | ||
2554 | if (flags2 & ~XFS_DIFLAG2_ANY) { | |
2555 | if (!uncertain) { | |
2556 | do_warn( | |
2557 | _("Bad flags2 set in inode %" PRIu64 "\n"), | |
2558 | lino); | |
2559 | } | |
2560 | flags2 &= XFS_DIFLAG2_ANY; | |
2561 | } | |
2562 | ||
c1604fa4 DW |
2563 | if (flags2 & XFS_DIFLAG2_DAX) { |
2564 | /* must be a file or dir */ | |
2565 | if (di_mode && !(S_ISREG(di_mode) || S_ISDIR(di_mode))) { | |
2566 | if (!uncertain) { | |
2567 | do_warn( | |
2568 | _("DAX flag set on special inode %" PRIu64 "\n"), | |
2569 | lino); | |
2570 | } | |
2571 | flags2 &= ~XFS_DIFLAG2_DAX; | |
2572 | } | |
2573 | } | |
2574 | ||
a406779b | 2575 | if ((flags2 & XFS_DIFLAG2_REFLINK) && |
2660e653 | 2576 | !xfs_has_reflink(mp)) { |
a406779b DW |
2577 | if (!uncertain) { |
2578 | do_warn( | |
2579 | _("inode %" PRIu64 " is marked reflinked but file system does not support reflink\n"), | |
2580 | lino); | |
2581 | } | |
2582 | goto clear_bad_out; | |
2583 | } | |
2584 | ||
2585 | if (flags2 & XFS_DIFLAG2_REFLINK) { | |
2586 | /* must be a file */ | |
2587 | if (di_mode && !S_ISREG(di_mode)) { | |
2588 | if (!uncertain) { | |
2589 | do_warn( | |
2590 | _("reflink flag set on non-file inode %" PRIu64 "\n"), | |
2591 | lino); | |
2592 | } | |
2593 | goto clear_bad_out; | |
2594 | } | |
2595 | } | |
2596 | ||
2597 | if ((flags2 & XFS_DIFLAG2_REFLINK) && | |
2598 | (flags & (XFS_DIFLAG_REALTIME | XFS_DIFLAG_RTINHERIT))) { | |
2599 | if (!uncertain) { | |
2600 | do_warn( | |
2601 | _("Cannot have a reflinked realtime inode %" PRIu64 "\n"), | |
2602 | lino); | |
2603 | } | |
2604 | goto clear_bad_out; | |
2605 | } | |
2606 | ||
42627ba6 | 2607 | if ((flags2 & XFS_DIFLAG2_COWEXTSIZE) && |
2660e653 | 2608 | !xfs_has_reflink(mp)) { |
42627ba6 DW |
2609 | if (!uncertain) { |
2610 | do_warn( | |
2611 | _("inode %" PRIu64 " has CoW extent size hint but file system does not support reflink\n"), | |
2612 | lino); | |
2613 | } | |
2614 | flags2 &= ~XFS_DIFLAG2_COWEXTSIZE; | |
2615 | } | |
2616 | ||
2617 | if (flags2 & XFS_DIFLAG2_COWEXTSIZE) { | |
2618 | /* must be a directory or file */ | |
2619 | if (di_mode && !S_ISDIR(di_mode) && !S_ISREG(di_mode)) { | |
2620 | if (!uncertain) { | |
2621 | do_warn( | |
2622 | _("CoW extent size flag set on non-file, non-directory inode %" PRIu64 "\n" ), | |
2623 | lino); | |
2624 | } | |
2625 | flags2 &= ~XFS_DIFLAG2_COWEXTSIZE; | |
2626 | } | |
2627 | } | |
2628 | ||
2629 | if ((flags2 & XFS_DIFLAG2_COWEXTSIZE) && | |
2630 | (flags & (XFS_DIFLAG_REALTIME | XFS_DIFLAG_RTINHERIT))) { | |
2631 | if (!uncertain) { | |
2632 | do_warn( | |
2633 | _("Cannot have CoW extent size hint on a realtime inode %" PRIu64 "\n"), | |
2634 | lino); | |
2635 | } | |
2636 | flags2 &= ~XFS_DIFLAG2_COWEXTSIZE; | |
2637 | } | |
2638 | ||
37c7dda1 | 2639 | if (xfs_dinode_has_bigtime(dino) && |
2660e653 | 2640 | !xfs_has_bigtime(mp)) { |
37c7dda1 DW |
2641 | if (!uncertain) { |
2642 | do_warn( | |
2643 | _("inode %" PRIu64 " is marked bigtime but file system does not support large timestamps\n"), | |
2644 | lino); | |
2645 | } | |
2646 | flags2 &= ~XFS_DIFLAG2_BIGTIME; | |
2647 | ||
2648 | if (no_modify) { | |
2649 | do_warn(_("would zero timestamps.\n")); | |
2650 | } else { | |
2651 | do_warn(_("zeroing timestamps.\n")); | |
2652 | dino->di_atime = 0; | |
2653 | dino->di_mtime = 0; | |
2654 | dino->di_ctime = 0; | |
2655 | dino->di_crtime = 0; | |
2656 | *dirty = 1; | |
2657 | } | |
2658 | } | |
2659 | ||
a406779b DW |
2660 | if (!verify_mode && flags2 != be64_to_cpu(dino->di_flags2)) { |
2661 | if (!no_modify) { | |
2662 | do_warn(_("fixing bad flags2.\n")); | |
2663 | dino->di_flags2 = cpu_to_be64(flags2); | |
2664 | *dirty = 1; | |
2665 | } else | |
2666 | do_warn(_("would fix bad flags2.\n")); | |
2667 | } | |
2668 | } | |
2669 | ||
0459b626 BN |
2670 | if (verify_mode) |
2671 | return retval; | |
2672 | ||
2673 | /* | |
2674 | * clear the next unlinked field if necessary on a good | |
2675 | * inode only during phase 4 -- when checking for inodes | |
2676 | * referencing duplicate blocks. then it's safe because | |
2677 | * we've done the inode discovery and have found all the inodes | |
2678 | * we're going to find. check_dups is set to 1 only during | |
2679 | * phase 4. Ugly. | |
2680 | */ | |
119383bf DC |
2681 | if (check_dups && be32_to_cpu(dino->di_next_unlinked) != NULLAGINO) { |
2682 | if (no_modify) { | |
2683 | do_warn( | |
2684 | _("Would clear next_unlinked in inode %" PRIu64 "\n"), lino); | |
2685 | } else { | |
2686 | clear_dinode_unlinked(mp, dino); | |
2687 | do_warn( | |
2688 | _("Cleared next_unlinked in inode %" PRIu64 "\n"), lino); | |
2689 | *dirty += 1; | |
2690 | } | |
0724d0f4 | 2691 | } |
0459b626 BN |
2692 | |
2693 | /* set type and map type info */ | |
2694 | ||
2695 | switch (di_mode & S_IFMT) { | |
2696 | case S_IFDIR: | |
2697 | type = XR_INO_DIR; | |
2698 | *isa_dir = 1; | |
2699 | break; | |
2700 | case S_IFREG: | |
56b2de80 | 2701 | if (be16_to_cpu(dino->di_flags) & XFS_DIFLAG_REALTIME) |
0459b626 BN |
2702 | type = XR_INO_RTDATA; |
2703 | else if (lino == mp->m_sb.sb_rbmino) | |
2704 | type = XR_INO_RTBITMAP; | |
2705 | else if (lino == mp->m_sb.sb_rsumino) | |
2706 | type = XR_INO_RTSUM; | |
5857dce9 ES |
2707 | else if (lino == mp->m_sb.sb_uquotino) |
2708 | type = XR_INO_UQUOTA; | |
2709 | else if (lino == mp->m_sb.sb_gquotino) | |
2710 | type = XR_INO_GQUOTA; | |
2711 | else if (lino == mp->m_sb.sb_pquotino) | |
2712 | type = XR_INO_PQUOTA; | |
0459b626 BN |
2713 | else |
2714 | type = XR_INO_DATA; | |
2715 | break; | |
2716 | case S_IFLNK: | |
2717 | type = XR_INO_SYMLINK; | |
2718 | break; | |
2719 | case S_IFCHR: | |
2720 | type = XR_INO_CHRDEV; | |
2721 | break; | |
2722 | case S_IFBLK: | |
2723 | type = XR_INO_BLKDEV; | |
2724 | break; | |
2725 | case S_IFSOCK: | |
2726 | type = XR_INO_SOCK; | |
2727 | break; | |
2728 | case S_IFIFO: | |
2729 | type = XR_INO_FIFO; | |
2730 | break; | |
2731 | default: | |
5d1b7f0f | 2732 | do_warn(_("bad inode type %#o inode %" PRIu64 "\n"), |
0459b626 BN |
2733 | di_mode & S_IFMT, lino); |
2734 | goto clear_bad_out; | |
2735 | } | |
2736 | ||
2737 | /* | |
2738 | * type checks for superblock inodes | |
2739 | */ | |
56b2de80 | 2740 | if (process_check_sb_inodes(mp, dino, lino, &type, dirty) != 0) |
0459b626 BN |
2741 | goto clear_bad_out; |
2742 | ||
5f062427 | 2743 | validate_extsize(mp, dino, lino, dirty); |
0459b626 | 2744 | |
42627ba6 DW |
2745 | /* |
2746 | * Only (regular files and directories) with COWEXTSIZE flags | |
2747 | * set can have extsize set. | |
2748 | */ | |
2749 | if (dino->di_version >= 3 && | |
db3d080b DW |
2750 | libxfs_inode_validate_cowextsize(mp, |
2751 | be32_to_cpu(dino->di_cowextsize), | |
2752 | be16_to_cpu(dino->di_mode), | |
2753 | be16_to_cpu(dino->di_flags), | |
2754 | be64_to_cpu(dino->di_flags2)) != NULL) { | |
1c744e94 | 2755 | do_warn( |
db3d080b DW |
2756 | _("Bad CoW extent size %u on inode %" PRIu64 ", "), |
2757 | be32_to_cpu(dino->di_cowextsize), lino); | |
1c744e94 | 2758 | if (!no_modify) { |
db3d080b | 2759 | do_warn(_("resetting to zero\n")); |
1c744e94 | 2760 | dino->di_flags2 &= ~cpu_to_be64(XFS_DIFLAG2_COWEXTSIZE); |
db3d080b | 2761 | dino->di_cowextsize = 0; |
1c744e94 | 2762 | *dirty = 1; |
db3d080b DW |
2763 | } else |
2764 | do_warn(_("would reset to zero\n")); | |
1c744e94 DW |
2765 | } |
2766 | ||
8fec4f7c | 2767 | /* nsec fields cannot be larger than 1 billion */ |
37c7dda1 DW |
2768 | check_nsec("atime", lino, dino, &dino->di_atime, dirty); |
2769 | check_nsec("mtime", lino, dino, &dino->di_mtime, dirty); | |
2770 | check_nsec("ctime", lino, dino, &dino->di_ctime, dirty); | |
8fec4f7c | 2771 | if (dino->di_version >= 3) |
37c7dda1 | 2772 | check_nsec("crtime", lino, dino, &dino->di_crtime, dirty); |
8fec4f7c | 2773 | |
0459b626 BN |
2774 | /* |
2775 | * general size/consistency checks: | |
2776 | */ | |
2777 | if (process_check_inode_sizes(mp, dino, lino, type) != 0) | |
2778 | goto clear_bad_out; | |
2779 | ||
2780 | /* | |
2781 | * check for illegal values of forkoff | |
2782 | */ | |
56b2de80 | 2783 | if (process_check_inode_forkoff(mp, dino, lino) != 0) |
0459b626 BN |
2784 | goto clear_bad_out; |
2785 | ||
7e174ec7 DW |
2786 | /* |
2787 | * record the state of the reflink flag | |
2788 | */ | |
2789 | if (collect_rmaps) | |
2790 | record_inode_reflink_flag(mp, dino, agno, ino, lino); | |
2791 | ||
0459b626 BN |
2792 | /* |
2793 | * check data fork -- if it's bad, clear the inode | |
2794 | */ | |
2795 | if (process_inode_data_fork(mp, agno, ino, dino, type, dirty, | |
2796 | &totblocks, &nextents, &dblkmap, check_dups) != 0) | |
2797 | goto bad_out; | |
2798 | ||
2799 | /* | |
2800 | * check attribute fork if necessary. attributes are | |
2801 | * always stored in the regular filesystem. | |
2802 | */ | |
2803 | if (process_inode_attr_fork(mp, agno, ino, dino, type, dirty, | |
2804 | &atotblocks, &anextents, check_dups, extra_attr_check, | |
2805 | &retval)) | |
2806 | goto bad_out; | |
2807 | ||
2808 | /* | |
2809 | * enforce totblocks is 0 for misc types | |
2810 | */ | |
2811 | if (process_misc_ino_types_blocks(totblocks, lino, type)) | |
2812 | goto clear_bad_out; | |
2813 | ||
2814 | /* | |
2815 | * correct space counters if required | |
2816 | */ | |
56b2de80 | 2817 | if (process_inode_blocks_and_extents(dino, totblocks + atotblocks, |
0459b626 BN |
2818 | nextents, anextents, lino, dirty) != 0) |
2819 | goto clear_bad_out; | |
2820 | ||
2821 | /* | |
2822 | * do any semantic type-based checking here | |
2823 | */ | |
2824 | switch (type) { | |
2825 | case XR_INO_DIR: | |
9a048535 | 2826 | if (process_dir2(mp, lino, dino, ino_discovery, |
0459b626 | 2827 | dirty, "", parent, dblkmap)) { |
5d1b7f0f CH |
2828 | do_warn( |
2829 | _("problem with directory contents in inode %" PRIu64 "\n"), | |
2830 | lino); | |
0459b626 BN |
2831 | goto clear_bad_out; |
2832 | } | |
2833 | break; | |
2834 | case XR_INO_SYMLINK: | |
2835 | if (process_symlink(mp, lino, dino, dblkmap) != 0) { | |
5d1b7f0f CH |
2836 | do_warn( |
2837 | _("problem with symbolic link in inode %" PRIu64 "\n"), | |
0459b626 BN |
2838 | lino); |
2839 | goto clear_bad_out; | |
2bd0ea18 | 2840 | } |
0459b626 | 2841 | break; |
5857dce9 ES |
2842 | case XR_INO_UQUOTA: |
2843 | case XR_INO_GQUOTA: | |
2844 | case XR_INO_PQUOTA: | |
2845 | if (process_quota_inode(mp, lino, dino, type, dblkmap) != 0) { | |
2846 | do_warn( | |
2847 | _("problem with quota inode %" PRIu64 "\n"), lino); | |
2848 | goto clear_bad_out; | |
2849 | } | |
2850 | break; | |
0459b626 BN |
2851 | default: |
2852 | break; | |
2bd0ea18 NS |
2853 | } |
2854 | ||
55d35a39 | 2855 | blkmap_free(dblkmap); |
0459b626 BN |
2856 | |
2857 | /* | |
2858 | * check nlinks feature, if it's a version 1 inode, | |
2859 | * just leave nlinks alone. even if it's set wrong, | |
2860 | * it'll be reset when read in. | |
2861 | */ | |
56b2de80 | 2862 | *dirty += process_check_inode_nlink_version(dino, lino); |
0459b626 BN |
2863 | |
2864 | return retval; | |
2865 | ||
2866 | clear_bad_out: | |
2867 | if (!no_modify) { | |
0724d0f4 ES |
2868 | clear_dinode(mp, dino, lino); |
2869 | *dirty += 1; | |
0459b626 BN |
2870 | } |
2871 | bad_out: | |
2872 | *used = is_free; | |
2873 | *isa_dir = 0; | |
55d35a39 | 2874 | blkmap_free(dblkmap); |
0459b626 | 2875 | return 1; |
2bd0ea18 NS |
2876 | } |
2877 | ||
2878 | /* | |
2879 | * returns 1 if inode is used, 0 if free. | |
2880 | * performs any necessary salvaging actions. | |
2881 | * note that we leave the generation count alone | |
2882 | * because nothing we could set it to would be | |
2883 | * guaranteed to be correct so the best guess for | |
2884 | * the correct value is just to leave it alone. | |
2885 | * | |
2886 | * The trick is detecting empty files. For those, | |
2887 | * the core and the forks should all be in the "empty" | |
2888 | * or zero-length state -- a zero or possibly minimum length | |
2889 | * (in the case of dirs) extent list -- although inline directories | |
2890 | * and symlinks might be handled differently. So it should be | |
2891 | * possible to sanity check them against each other. | |
2892 | * | |
2893 | * If the forks are an empty extent list though, then forget it. | |
2894 | * The file is toast anyway since we can't recover its storage. | |
2895 | * | |
2896 | * Parameters: | |
2897 | * Ins: | |
2898 | * mp -- mount structure | |
2899 | * dino -- pointer to on-disk inode structure | |
2900 | * agno/ino -- inode numbers | |
2901 | * free -- whether the map thinks the inode is free (1 == free) | |
2902 | * ino_discovery -- whether we should examine directory | |
2903 | * contents to discover new inodes | |
2904 | * check_dups -- whether we should check to see if the | |
2905 | * inode references duplicate blocks | |
2906 | * if so, we compare the inode's claimed | |
2907 | * blocks against the contents of the | |
2908 | * duplicate extent list but we don't | |
2909 | * set the bitmap. If not, we set the | |
2910 | * bitmap and try and detect multiply | |
2911 | * claimed blocks using the bitmap. | |
2912 | * Outs: | |
2913 | * dirty -- whether we changed the inode (1 == yes) | |
2bd0ea18 NS |
2914 | * used -- 1 if the inode is used, 0 if free. In no modify |
2915 | * mode, whether the inode should be used or free | |
2916 | * isa_dir -- 1 if the inode is a directory, 0 if not. In | |
2917 | * no modify mode, if the inode would be a dir or not. | |
2918 | * | |
2919 | * Return value -- 0 if the inode is good, 1 if it is/was corrupt | |
2920 | */ | |
2921 | ||
2922 | int | |
0459b626 BN |
2923 | process_dinode( |
2924 | xfs_mount_t *mp, | |
2925 | xfs_dinode_t *dino, | |
2926 | xfs_agnumber_t agno, | |
2927 | xfs_agino_t ino, | |
2928 | int was_free, | |
2929 | int *dirty, | |
2930 | int *used, | |
2931 | int ino_discovery, | |
2932 | int check_dups, | |
2933 | int extra_attr_check, | |
2934 | int *isa_dir, | |
2935 | xfs_ino_t *parent) | |
2bd0ea18 | 2936 | { |
0459b626 BN |
2937 | const int verify_mode = 0; |
2938 | const int uncertain = 0; | |
2bd0ea18 NS |
2939 | |
2940 | #ifdef XR_INODE_TRACE | |
9ee7055c | 2941 | fprintf(stderr, _("processing inode %d/%d\n"), agno, ino); |
2bd0ea18 | 2942 | #endif |
0459b626 BN |
2943 | return process_dinode_int(mp, dino, agno, ino, was_free, dirty, used, |
2944 | verify_mode, uncertain, ino_discovery, | |
2945 | check_dups, extra_attr_check, isa_dir, parent); | |
2bd0ea18 NS |
2946 | } |
2947 | ||
2948 | /* | |
2949 | * a more cursory check, check inode core, *DON'T* check forks | |
2950 | * this basically just verifies whether the inode is an inode | |
2951 | * and whether or not it has been totally trashed. returns 0 | |
2952 | * if the inode passes the cursory sanity check, 1 otherwise. | |
2953 | */ | |
2954 | int | |
0459b626 BN |
2955 | verify_dinode( |
2956 | xfs_mount_t *mp, | |
2957 | xfs_dinode_t *dino, | |
2958 | xfs_agnumber_t agno, | |
2959 | xfs_agino_t ino) | |
2bd0ea18 | 2960 | { |
0459b626 BN |
2961 | xfs_ino_t parent; |
2962 | int used = 0; | |
2963 | int dirty = 0; | |
2964 | int isa_dir = 0; | |
2965 | const int verify_mode = 1; | |
2966 | const int check_dups = 0; | |
2967 | const int ino_discovery = 0; | |
2968 | const int uncertain = 0; | |
2969 | ||
2970 | return process_dinode_int(mp, dino, agno, ino, 0, &dirty, &used, | |
2971 | verify_mode, uncertain, ino_discovery, | |
2972 | check_dups, 0, &isa_dir, &parent); | |
2bd0ea18 NS |
2973 | } |
2974 | ||
2975 | /* | |
2976 | * like above only for inode on the uncertain list. it sets | |
2977 | * the uncertain flag which makes process_dinode_int quieter. | |
2978 | * returns 0 if the inode passes the cursory sanity check, 1 otherwise. | |
2979 | */ | |
2980 | int | |
0459b626 BN |
2981 | verify_uncertain_dinode( |
2982 | xfs_mount_t *mp, | |
2983 | xfs_dinode_t *dino, | |
2984 | xfs_agnumber_t agno, | |
2985 | xfs_agino_t ino) | |
2bd0ea18 | 2986 | { |
0459b626 BN |
2987 | xfs_ino_t parent; |
2988 | int used = 0; | |
2989 | int dirty = 0; | |
2990 | int isa_dir = 0; | |
2991 | const int verify_mode = 1; | |
2992 | const int check_dups = 0; | |
2993 | const int ino_discovery = 0; | |
2994 | const int uncertain = 1; | |
2995 | ||
2996 | return process_dinode_int(mp, dino, agno, ino, 0, &dirty, &used, | |
2997 | verify_mode, uncertain, ino_discovery, | |
2998 | check_dups, 0, &isa_dir, &parent); | |
2bd0ea18 | 2999 | } |