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Commit | Line | Data |
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2bd0ea18 | 1 | /* |
da23017d NS |
2 | * Copyright (c) 2000-2005 Silicon Graphics, Inc. |
3 | * All Rights Reserved. | |
dfc130f3 | 4 | * |
da23017d NS |
5 | * This program is free software; you can redistribute it and/or |
6 | * modify it under the terms of the GNU General Public License as | |
2bd0ea18 | 7 | * published by the Free Software Foundation. |
dfc130f3 | 8 | * |
da23017d NS |
9 | * This program is distributed in the hope that it would be useful, |
10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
12 | * GNU General Public License for more details. | |
dfc130f3 | 13 | * |
da23017d NS |
14 | * You should have received a copy of the GNU General Public License |
15 | * along with this program; if not, write the Free Software Foundation, | |
16 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | |
2bd0ea18 NS |
17 | */ |
18 | ||
6b803e5a | 19 | #include "libxfs.h" |
2bd0ea18 NS |
20 | #include "avl.h" |
21 | #include "globals.h" | |
22 | #include "agheader.h" | |
23 | #include "incore.h" | |
24 | #include "protos.h" | |
25 | #include "err_protos.h" | |
2bd0ea18 NS |
26 | #include "dir2.h" |
27 | #include "dinode.h" | |
28 | #include "scan.h" | |
29 | #include "versions.h" | |
30 | #include "attr_repair.h" | |
31 | #include "bmap.h" | |
3b6ac903 | 32 | #include "threads.h" |
9e0f480e DW |
33 | #include "slab.h" |
34 | #include "rmap.h" | |
2bd0ea18 | 35 | |
beed0dc8 DC |
36 | /* |
37 | * gettext lookups for translations of strings use mutexes internally to | |
38 | * the library. Hence when we come through here doing parallel scans in | |
39 | * multiple AGs, then all do concurrent text conversions and serialise | |
40 | * on the translation string lookups. Let's avoid doing repeated lookups | |
41 | * by making them static variables and only assigning the translation | |
42 | * once. | |
43 | */ | |
44 | static char *forkname_data; | |
45 | static char *forkname_attr; | |
46 | static char *ftype_real_time; | |
47 | static char *ftype_regular; | |
48 | ||
49 | void | |
50 | dinode_bmbt_translation_init(void) | |
51 | { | |
52 | forkname_data = _("data"); | |
53 | forkname_attr = _("attr"); | |
54 | ftype_real_time = _("real-time"); | |
55 | ftype_regular = _("regular"); | |
56 | } | |
57 | ||
58 | char * | |
59 | get_forkname(int whichfork) | |
60 | { | |
61 | ||
62 | if (whichfork == XFS_DATA_FORK) | |
63 | return forkname_data; | |
64 | return forkname_attr; | |
65 | } | |
66 | ||
2bd0ea18 NS |
67 | /* |
68 | * inode clearing routines | |
69 | */ | |
70 | ||
8b8a6b02 | 71 | static int |
2bd0ea18 NS |
72 | clear_dinode_attr(xfs_mount_t *mp, xfs_dinode_t *dino, xfs_ino_t ino_num) |
73 | { | |
56b2de80 | 74 | ASSERT(dino->di_forkoff != 0); |
2bd0ea18 NS |
75 | |
76 | if (!no_modify) | |
5d1b7f0f CH |
77 | fprintf(stderr, |
78 | _("clearing inode %" PRIu64 " attributes\n"), ino_num); | |
2bd0ea18 | 79 | else |
5d1b7f0f CH |
80 | fprintf(stderr, |
81 | _("would have cleared inode %" PRIu64 " attributes\n"), ino_num); | |
2bd0ea18 | 82 | |
56b2de80 | 83 | if (be16_to_cpu(dino->di_anextents) != 0) { |
2bd0ea18 NS |
84 | if (no_modify) |
85 | return(1); | |
56b2de80 | 86 | dino->di_anextents = cpu_to_be16(0); |
2bd0ea18 NS |
87 | } |
88 | ||
56b2de80 | 89 | if (dino->di_aformat != XFS_DINODE_FMT_EXTENTS) { |
2bd0ea18 NS |
90 | if (no_modify) |
91 | return(1); | |
56b2de80 | 92 | dino->di_aformat = XFS_DINODE_FMT_EXTENTS; |
2bd0ea18 NS |
93 | } |
94 | ||
95 | /* get rid of the fork by clearing forkoff */ | |
96 | ||
97 | /* Originally, when the attr repair code was added, the fork was cleared | |
98 | * by turning it into shortform status. This meant clearing the | |
99 | * hdr.totsize/count fields and also changing aformat to LOCAL | |
100 | * (vs EXTENTS). Over various fixes, the aformat and forkoff have | |
101 | * been updated to not show an attribute fork at all, however. | |
102 | * It could be possible that resetting totsize/count are not needed, | |
dfc130f3 | 103 | * but just to be safe, leave it in for now. |
2bd0ea18 NS |
104 | */ |
105 | ||
106 | if (!no_modify) { | |
107 | xfs_attr_shortform_t *asf = (xfs_attr_shortform_t *) | |
46eca962 | 108 | XFS_DFORK_APTR(dino); |
5e656dbb BN |
109 | asf->hdr.totsize = cpu_to_be16(sizeof(xfs_attr_sf_hdr_t)); |
110 | asf->hdr.count = 0; | |
56b2de80 | 111 | dino->di_forkoff = 0; /* got to do this after asf is set */ |
2bd0ea18 NS |
112 | } |
113 | ||
114 | /* | |
115 | * always returns 1 since the fork gets zapped | |
116 | */ | |
117 | return(1); | |
118 | } | |
119 | ||
8b8a6b02 | 120 | static int |
e0607266 | 121 | clear_dinode_core(struct xfs_mount *mp, xfs_dinode_t *dinoc, xfs_ino_t ino_num) |
2bd0ea18 NS |
122 | { |
123 | int dirty = 0; | |
e0607266 | 124 | int i; |
2bd0ea18 | 125 | |
e0607266 DC |
126 | #define __dirty_no_modify_ret(dirty) \ |
127 | ({ (dirty) = 1; if (no_modify) return 1; }) | |
2bd0ea18 | 128 | |
e0607266 DC |
129 | if (be16_to_cpu(dinoc->di_magic) != XFS_DINODE_MAGIC) { |
130 | __dirty_no_modify_ret(dirty); | |
5e656dbb | 131 | dinoc->di_magic = cpu_to_be16(XFS_DINODE_MAGIC); |
2bd0ea18 NS |
132 | } |
133 | ||
e2f60652 | 134 | if (!libxfs_dinode_good_version(mp, dinoc->di_version)) { |
e0607266 DC |
135 | __dirty_no_modify_ret(dirty); |
136 | if (xfs_sb_version_hascrc(&mp->m_sb)) | |
137 | dinoc->di_version = 3; | |
138 | else | |
5f6f3660 | 139 | dinoc->di_version = 2; |
2bd0ea18 NS |
140 | } |
141 | ||
5e656dbb | 142 | if (be16_to_cpu(dinoc->di_mode) != 0) { |
e0607266 | 143 | __dirty_no_modify_ret(dirty); |
46eca962 | 144 | dinoc->di_mode = 0; |
2bd0ea18 NS |
145 | } |
146 | ||
5e656dbb | 147 | if (be16_to_cpu(dinoc->di_flags) != 0) { |
e0607266 | 148 | __dirty_no_modify_ret(dirty); |
46eca962 | 149 | dinoc->di_flags = 0; |
2bd0ea18 NS |
150 | } |
151 | ||
5e656dbb | 152 | if (be32_to_cpu(dinoc->di_dmevmask) != 0) { |
e0607266 | 153 | __dirty_no_modify_ret(dirty); |
46eca962 | 154 | dinoc->di_dmevmask = 0; |
2bd0ea18 NS |
155 | } |
156 | ||
157 | if (dinoc->di_forkoff != 0) { | |
e0607266 | 158 | __dirty_no_modify_ret(dirty); |
2bd0ea18 NS |
159 | dinoc->di_forkoff = 0; |
160 | } | |
161 | ||
162 | if (dinoc->di_format != XFS_DINODE_FMT_EXTENTS) { | |
e0607266 | 163 | __dirty_no_modify_ret(dirty); |
2bd0ea18 NS |
164 | dinoc->di_format = XFS_DINODE_FMT_EXTENTS; |
165 | } | |
166 | ||
167 | if (dinoc->di_aformat != XFS_DINODE_FMT_EXTENTS) { | |
e0607266 | 168 | __dirty_no_modify_ret(dirty); |
2bd0ea18 NS |
169 | dinoc->di_aformat = XFS_DINODE_FMT_EXTENTS; |
170 | } | |
171 | ||
5e656dbb | 172 | if (be64_to_cpu(dinoc->di_size) != 0) { |
e0607266 | 173 | __dirty_no_modify_ret(dirty); |
46eca962 | 174 | dinoc->di_size = 0; |
2bd0ea18 NS |
175 | } |
176 | ||
5e656dbb | 177 | if (be64_to_cpu(dinoc->di_nblocks) != 0) { |
e0607266 | 178 | __dirty_no_modify_ret(dirty); |
46eca962 | 179 | dinoc->di_nblocks = 0; |
2bd0ea18 NS |
180 | } |
181 | ||
5e656dbb | 182 | if (be16_to_cpu(dinoc->di_onlink) != 0) { |
e0607266 | 183 | __dirty_no_modify_ret(dirty); |
46eca962 | 184 | dinoc->di_onlink = 0; |
2bd0ea18 NS |
185 | } |
186 | ||
5e656dbb | 187 | if (be32_to_cpu(dinoc->di_nextents) != 0) { |
e0607266 | 188 | __dirty_no_modify_ret(dirty); |
46eca962 | 189 | dinoc->di_nextents = 0; |
2bd0ea18 NS |
190 | } |
191 | ||
5e656dbb | 192 | if (be16_to_cpu(dinoc->di_anextents) != 0) { |
e0607266 | 193 | __dirty_no_modify_ret(dirty); |
46eca962 | 194 | dinoc->di_anextents = 0; |
2bd0ea18 NS |
195 | } |
196 | ||
56b2de80 | 197 | if (dinoc->di_version > 1 && |
5e656dbb | 198 | be32_to_cpu(dinoc->di_nlink) != 0) { |
e0607266 DC |
199 | __dirty_no_modify_ret(dirty); |
200 | dinoc->di_nlink = 0; | |
201 | } | |
2bd0ea18 | 202 | |
e0607266 DC |
203 | /* we are done for version 1/2 inodes */ |
204 | if (dinoc->di_version < 3) | |
205 | return dirty; | |
2bd0ea18 | 206 | |
e0607266 DC |
207 | if (be64_to_cpu(dinoc->di_ino) != ino_num) { |
208 | __dirty_no_modify_ret(dirty); | |
209 | dinoc->di_ino = cpu_to_be64(ino_num); | |
2bd0ea18 NS |
210 | } |
211 | ||
9c4e12fb | 212 | if (platform_uuid_compare(&dinoc->di_uuid, &mp->m_sb.sb_meta_uuid)) { |
e0607266 | 213 | __dirty_no_modify_ret(dirty); |
9c4e12fb | 214 | platform_uuid_copy(&dinoc->di_uuid, &mp->m_sb.sb_meta_uuid); |
e0607266 DC |
215 | } |
216 | ||
e6efb967 | 217 | for (i = 0; i < sizeof(dinoc->di_pad2)/sizeof(dinoc->di_pad2[0]); i++) { |
e7c05095 | 218 | if (dinoc->di_pad2[i] != 0) { |
e0607266 | 219 | __dirty_no_modify_ret(dirty); |
e6efb967 | 220 | memset(dinoc->di_pad2, 0, sizeof(dinoc->di_pad2)); |
e0607266 DC |
221 | break; |
222 | } | |
223 | } | |
224 | ||
225 | if (be64_to_cpu(dinoc->di_flags2) != 0) { | |
226 | __dirty_no_modify_ret(dirty); | |
227 | dinoc->di_flags2 = 0; | |
228 | } | |
229 | ||
230 | if (be64_to_cpu(dinoc->di_lsn) != 0) { | |
231 | __dirty_no_modify_ret(dirty); | |
232 | dinoc->di_lsn = 0; | |
233 | } | |
234 | ||
235 | if (be64_to_cpu(dinoc->di_changecount) != 0) { | |
236 | __dirty_no_modify_ret(dirty); | |
237 | dinoc->di_changecount = 0; | |
238 | } | |
239 | ||
240 | return dirty; | |
2bd0ea18 NS |
241 | } |
242 | ||
8b8a6b02 | 243 | static int |
2bd0ea18 NS |
244 | clear_dinode_unlinked(xfs_mount_t *mp, xfs_dinode_t *dino) |
245 | { | |
246 | ||
5e656dbb | 247 | if (be32_to_cpu(dino->di_next_unlinked) != NULLAGINO) { |
2bd0ea18 | 248 | if (!no_modify) |
5e656dbb | 249 | dino->di_next_unlinked = cpu_to_be32(NULLAGINO); |
2bd0ea18 NS |
250 | return(1); |
251 | } | |
252 | ||
253 | return(0); | |
254 | } | |
255 | ||
256 | /* | |
257 | * this clears the unlinked list too so it should not be called | |
258 | * until after the agi unlinked lists are walked in phase 3. | |
259 | * returns > zero if the inode has been altered while being cleared | |
260 | */ | |
8b8a6b02 | 261 | static int |
2bd0ea18 NS |
262 | clear_dinode(xfs_mount_t *mp, xfs_dinode_t *dino, xfs_ino_t ino_num) |
263 | { | |
264 | int dirty; | |
265 | ||
e0607266 | 266 | dirty = clear_dinode_core(mp, dino, ino_num); |
2bd0ea18 NS |
267 | dirty += clear_dinode_unlinked(mp, dino); |
268 | ||
269 | /* and clear the forks */ | |
270 | ||
271 | if (dirty && !no_modify) | |
49f693fa DC |
272 | memset(XFS_DFORK_DPTR(dino), 0, |
273 | XFS_LITINO(mp, dino->di_version)); | |
2bd0ea18 NS |
274 | |
275 | return(dirty); | |
276 | } | |
277 | ||
278 | ||
279 | /* | |
280 | * misc. inode-related utility routines | |
281 | */ | |
282 | ||
9234d416 BN |
283 | /* |
284 | * verify_ag_bno is heavily used. In the common case, it | |
1e77098c | 285 | * performs just two number of compares |
5e656dbb | 286 | * Returns 1 for bad ag/bno pair or 0 if it's valid. |
1e77098c MV |
287 | */ |
288 | static __inline int | |
289 | verify_ag_bno(xfs_sb_t *sbp, | |
290 | xfs_agnumber_t agno, | |
291 | xfs_agblock_t agbno) | |
292 | { | |
f8149110 | 293 | if (agno < (sbp->sb_agcount - 1)) |
5e656dbb | 294 | return (agbno >= sbp->sb_agblocks); |
f8149110 | 295 | if (agno == (sbp->sb_agcount - 1)) |
5e656dbb | 296 | return (agbno >= (sbp->sb_dblocks - |
5a35bf2c | 297 | ((xfs_rfsblock_t)(sbp->sb_agcount - 1) * |
003e8e41 | 298 | sbp->sb_agblocks))); |
5e656dbb | 299 | return 1; |
1e77098c MV |
300 | } |
301 | ||
2bd0ea18 NS |
302 | /* |
303 | * returns 0 if inode number is valid, 1 if bogus | |
304 | */ | |
305 | int | |
306 | verify_inum(xfs_mount_t *mp, | |
307 | xfs_ino_t ino) | |
308 | { | |
309 | xfs_agnumber_t agno; | |
310 | xfs_agino_t agino; | |
311 | xfs_agblock_t agbno; | |
312 | xfs_sb_t *sbp = &mp->m_sb;; | |
313 | ||
314 | /* range check ag #, ag block. range-checking offset is pointless */ | |
315 | ||
316 | agno = XFS_INO_TO_AGNO(mp, ino); | |
317 | agino = XFS_INO_TO_AGINO(mp, ino); | |
318 | agbno = XFS_AGINO_TO_AGBNO(mp, agino); | |
1e77098c MV |
319 | if (agbno == 0) |
320 | return 1; | |
2bd0ea18 NS |
321 | |
322 | if (ino == 0 || ino == NULLFSINO) | |
323 | return(1); | |
324 | ||
325 | if (ino != XFS_AGINO_TO_INO(mp, agno, agino)) | |
326 | return(1); | |
327 | ||
1e77098c | 328 | return verify_ag_bno(sbp, agno, agbno); |
2bd0ea18 NS |
329 | } |
330 | ||
331 | /* | |
332 | * have a separate routine to ensure that we don't accidentally | |
333 | * lose illegally set bits in the agino by turning it into an FSINO | |
334 | * to feed to the above routine | |
335 | */ | |
336 | int | |
337 | verify_aginum(xfs_mount_t *mp, | |
338 | xfs_agnumber_t agno, | |
339 | xfs_agino_t agino) | |
340 | { | |
341 | xfs_agblock_t agbno; | |
342 | xfs_sb_t *sbp = &mp->m_sb;; | |
343 | ||
344 | /* range check ag #, ag block. range-checking offset is pointless */ | |
345 | ||
346 | if (agino == 0 || agino == NULLAGINO) | |
347 | return(1); | |
348 | ||
349 | /* | |
350 | * agino's can't be too close to NULLAGINO because the min blocksize | |
351 | * is 9 bits and at most 1 bit of that gets used for the inode offset | |
352 | * so if the agino gets shifted by the # of offset bits and compared | |
353 | * to the legal agbno values, a bogus agino will be too large. there | |
354 | * will be extra bits set at the top that shouldn't be set. | |
355 | */ | |
356 | agbno = XFS_AGINO_TO_AGBNO(mp, agino); | |
1e77098c MV |
357 | if (agbno == 0) |
358 | return 1; | |
2bd0ea18 | 359 | |
1e77098c | 360 | return verify_ag_bno(sbp, agno, agbno); |
2bd0ea18 NS |
361 | } |
362 | ||
363 | /* | |
364 | * return 1 if block number is good, 0 if out of range | |
365 | */ | |
366 | int | |
367 | verify_dfsbno(xfs_mount_t *mp, | |
5a35bf2c | 368 | xfs_fsblock_t fsbno) |
2bd0ea18 NS |
369 | { |
370 | xfs_agnumber_t agno; | |
371 | xfs_agblock_t agbno; | |
372 | xfs_sb_t *sbp = &mp->m_sb;; | |
373 | ||
374 | /* range check ag #, ag block. range-checking offset is pointless */ | |
375 | ||
376 | agno = XFS_FSB_TO_AGNO(mp, fsbno); | |
377 | agbno = XFS_FSB_TO_AGBNO(mp, fsbno); | |
378 | ||
1e77098c MV |
379 | return verify_ag_bno(sbp, agno, agbno) == 0; |
380 | } | |
2bd0ea18 | 381 | |
1e77098c MV |
382 | #define XR_DFSBNORANGE_VALID 0 |
383 | #define XR_DFSBNORANGE_BADSTART 1 | |
384 | #define XR_DFSBNORANGE_BADEND 2 | |
385 | #define XR_DFSBNORANGE_OVERFLOW 3 | |
386 | ||
387 | static __inline int | |
388 | verify_dfsbno_range(xfs_mount_t *mp, | |
5a35bf2c DC |
389 | xfs_fsblock_t fsbno, |
390 | xfs_filblks_t count) | |
1e77098c MV |
391 | { |
392 | xfs_agnumber_t agno; | |
393 | xfs_agblock_t agbno; | |
394 | xfs_sb_t *sbp = &mp->m_sb;; | |
395 | ||
396 | /* the start and end blocks better be in the same allocation group */ | |
397 | agno = XFS_FSB_TO_AGNO(mp, fsbno); | |
398 | if (agno != XFS_FSB_TO_AGNO(mp, fsbno + count - 1)) { | |
399 | return XR_DFSBNORANGE_OVERFLOW; | |
400 | } | |
401 | ||
402 | agbno = XFS_FSB_TO_AGBNO(mp, fsbno); | |
403 | if (verify_ag_bno(sbp, agno, agbno)) { | |
404 | return XR_DFSBNORANGE_BADSTART; | |
405 | } | |
406 | ||
407 | agbno = XFS_FSB_TO_AGBNO(mp, fsbno + count - 1); | |
408 | if (verify_ag_bno(sbp, agno, agbno)) { | |
409 | return XR_DFSBNORANGE_BADEND; | |
410 | } | |
411 | ||
412 | return (XR_DFSBNORANGE_VALID); | |
2bd0ea18 NS |
413 | } |
414 | ||
415 | int | |
416 | verify_agbno(xfs_mount_t *mp, | |
417 | xfs_agnumber_t agno, | |
418 | xfs_agblock_t agbno) | |
419 | { | |
420 | xfs_sb_t *sbp = &mp->m_sb;; | |
421 | ||
422 | /* range check ag #, ag block. range-checking offset is pointless */ | |
1e77098c | 423 | return verify_ag_bno(sbp, agno, agbno) == 0; |
2bd0ea18 NS |
424 | } |
425 | ||
2556c98b BN |
426 | static int |
427 | process_rt_rec( | |
428 | xfs_mount_t *mp, | |
e0a12bda | 429 | xfs_bmbt_irec_t *irec, |
2556c98b | 430 | xfs_ino_t ino, |
5a35bf2c | 431 | xfs_rfsblock_t *tot, |
2556c98b BN |
432 | int check_dups) |
433 | { | |
5a35bf2c DC |
434 | xfs_fsblock_t b; |
435 | xfs_rtblock_t ext; | |
2556c98b | 436 | int state; |
2556c98b BN |
437 | int pwe; /* partially-written extent */ |
438 | ||
2556c98b BN |
439 | /* |
440 | * check numeric validity of the extent | |
441 | */ | |
e0a12bda | 442 | if (irec->br_startblock >= mp->m_sb.sb_rblocks) { |
5d1b7f0f CH |
443 | do_warn( |
444 | _("inode %" PRIu64 " - bad rt extent start block number %" PRIu64 ", offset %" PRIu64 "\n"), | |
445 | ino, | |
446 | irec->br_startblock, | |
447 | irec->br_startoff); | |
2556c98b BN |
448 | return 1; |
449 | } | |
e0a12bda | 450 | if (irec->br_startblock + irec->br_blockcount - 1 >= mp->m_sb.sb_rblocks) { |
5d1b7f0f CH |
451 | do_warn( |
452 | _("inode %" PRIu64 " - bad rt extent last block number %" PRIu64 ", offset %" PRIu64 "\n"), | |
453 | ino, | |
454 | irec->br_startblock + irec->br_blockcount - 1, | |
455 | irec->br_startoff); | |
2556c98b BN |
456 | return 1; |
457 | } | |
e0a12bda | 458 | if (irec->br_startblock + irec->br_blockcount - 1 < irec->br_startblock) { |
5d1b7f0f CH |
459 | do_warn( |
460 | _("inode %" PRIu64 " - bad rt extent overflows - start %" PRIu64 ", " | |
461 | "end %" PRIu64 ", offset %" PRIu64 "\n"), | |
462 | ino, | |
463 | irec->br_startblock, | |
464 | irec->br_startblock + irec->br_blockcount - 1, | |
465 | irec->br_startoff); | |
2556c98b BN |
466 | return 1; |
467 | } | |
468 | ||
469 | /* | |
470 | * verify that the blocks listed in the record | |
471 | * are multiples of an extent | |
472 | */ | |
5e656dbb | 473 | if (xfs_sb_version_hasextflgbit(&mp->m_sb) == 0 && |
e0a12bda BN |
474 | (irec->br_startblock % mp->m_sb.sb_rextsize != 0 || |
475 | irec->br_blockcount % mp->m_sb.sb_rextsize != 0)) { | |
5d1b7f0f CH |
476 | do_warn( |
477 | _("malformed rt inode extent [%" PRIu64 " %" PRIu64 "] (fs rtext size = %u)\n"), | |
478 | irec->br_startblock, | |
479 | irec->br_blockcount, | |
480 | mp->m_sb.sb_rextsize); | |
2556c98b | 481 | return 1; |
3b6ac903 MV |
482 | } |
483 | ||
2556c98b BN |
484 | /* |
485 | * set the appropriate number of extents | |
8961bfde | 486 | * this iterates block by block, this can be optimised using extents |
2556c98b | 487 | */ |
e0a12bda BN |
488 | for (b = irec->br_startblock; b < irec->br_startblock + |
489 | irec->br_blockcount; b += mp->m_sb.sb_rextsize) { | |
5a35bf2c | 490 | ext = (xfs_rtblock_t) b / mp->m_sb.sb_rextsize; |
5e656dbb | 491 | pwe = xfs_sb_version_hasextflgbit(&mp->m_sb) && |
e0a12bda | 492 | irec->br_state == XFS_EXT_UNWRITTEN && |
2556c98b BN |
493 | (b % mp->m_sb.sb_rextsize != 0); |
494 | ||
495 | if (check_dups == 1) { | |
496 | if (search_rt_dup_extent(mp, ext) && !pwe) { | |
5d1b7f0f CH |
497 | do_warn( |
498 | _("data fork in rt ino %" PRIu64 " claims dup rt extent," | |
499 | "off - %" PRIu64 ", start - %" PRIu64 ", count %" PRIu64 "\n"), | |
500 | ino, | |
501 | irec->br_startoff, | |
502 | irec->br_startblock, | |
503 | irec->br_blockcount); | |
2556c98b BN |
504 | return 1; |
505 | } | |
506 | continue; | |
507 | } | |
508 | ||
95650c4d | 509 | state = get_rtbmap(ext); |
2556c98b | 510 | switch (state) { |
95650c4d BN |
511 | case XR_E_FREE: |
512 | case XR_E_UNKNOWN: | |
513 | set_rtbmap(ext, XR_E_INUSE); | |
514 | break; | |
515 | case XR_E_BAD_STATE: | |
5d1b7f0f CH |
516 | do_error( |
517 | _("bad state in rt block map %" PRIu64 "\n"), | |
518 | ext); | |
95650c4d BN |
519 | case XR_E_FS_MAP: |
520 | case XR_E_INO: | |
521 | case XR_E_INUSE_FS: | |
5d1b7f0f CH |
522 | do_error( |
523 | _("data fork in rt inode %" PRIu64 " found metadata block %" PRIu64 " in rt bmap\n"), | |
95650c4d BN |
524 | ino, ext); |
525 | case XR_E_INUSE: | |
526 | if (pwe) | |
2556c98b | 527 | break; |
a93fcc04 | 528 | /* fall through */ |
95650c4d BN |
529 | case XR_E_MULT: |
530 | set_rtbmap(ext, XR_E_MULT); | |
5d1b7f0f CH |
531 | do_warn( |
532 | _("data fork in rt inode %" PRIu64 " claims used rt block %" PRIu64 "\n"), | |
533 | ino, ext); | |
95650c4d BN |
534 | return 1; |
535 | case XR_E_FREE1: | |
536 | default: | |
5d1b7f0f CH |
537 | do_error( |
538 | _("illegal state %d in rt block map %" PRIu64 "\n"), | |
539 | state, b); | |
2556c98b BN |
540 | } |
541 | } | |
542 | ||
543 | /* | |
544 | * bump up the block counter | |
545 | */ | |
e0a12bda | 546 | *tot += irec->br_blockcount; |
2556c98b BN |
547 | |
548 | return 0; | |
549 | } | |
3b6ac903 | 550 | |
2bd0ea18 NS |
551 | /* |
552 | * return 1 if inode should be cleared, 0 otherwise | |
553 | * if check_dups should be set to 1, that implies that | |
554 | * the primary purpose of this call is to see if the | |
555 | * file overlaps with any duplicate extents (in the | |
556 | * duplicate extent list). | |
557 | */ | |
8b8a6b02 | 558 | static int |
2bd0ea18 NS |
559 | process_bmbt_reclist_int( |
560 | xfs_mount_t *mp, | |
e0a12bda | 561 | xfs_bmbt_rec_t *rp, |
e1f43b4c | 562 | int *numrecs, |
2bd0ea18 NS |
563 | int type, |
564 | xfs_ino_t ino, | |
5a35bf2c | 565 | xfs_rfsblock_t *tot, |
2bd0ea18 | 566 | blkmap_t **blkmapp, |
5a35bf2c DC |
567 | xfs_fileoff_t *first_key, |
568 | xfs_fileoff_t *last_key, | |
2bd0ea18 NS |
569 | int check_dups, |
570 | int whichfork) | |
571 | { | |
e0a12bda | 572 | xfs_bmbt_irec_t irec; |
5a35bf2c DC |
573 | xfs_filblks_t cp = 0; /* prev count */ |
574 | xfs_fsblock_t sp = 0; /* prev start */ | |
575 | xfs_fileoff_t op = 0; /* prev offset */ | |
576 | xfs_fsblock_t b; | |
2bd0ea18 | 577 | char *ftype; |
beed0dc8 | 578 | char *forkname = get_forkname(whichfork); |
2bd0ea18 NS |
579 | int i; |
580 | int state; | |
1e77098c MV |
581 | xfs_agnumber_t agno; |
582 | xfs_agblock_t agbno; | |
8961bfde BN |
583 | xfs_agblock_t ebno; |
584 | xfs_extlen_t blen; | |
2556c98b BN |
585 | xfs_agnumber_t locked_agno = -1; |
586 | int error = 1; | |
2bd0ea18 | 587 | |
2bd0ea18 | 588 | if (type == XR_INO_RTDATA) |
beed0dc8 | 589 | ftype = ftype_real_time; |
2bd0ea18 | 590 | else |
beed0dc8 | 591 | ftype = ftype_regular; |
2bd0ea18 | 592 | |
e1f43b4c | 593 | for (i = 0; i < *numrecs; i++) { |
ff105f75 | 594 | libxfs_bmbt_disk_get_all((rp +i), &irec); |
2bd0ea18 | 595 | if (i == 0) |
e0a12bda | 596 | *last_key = *first_key = irec.br_startoff; |
2bd0ea18 | 597 | else |
e0a12bda BN |
598 | *last_key = irec.br_startoff; |
599 | if (i > 0 && op + cp > irec.br_startoff) { | |
5d1b7f0f CH |
600 | do_warn( |
601 | _("bmap rec out of order, inode %" PRIu64" entry %d " | |
602 | "[o s c] [%" PRIu64 " %" PRIu64 " %" PRIu64 "], " | |
603 | "%d [%" PRIu64 " %" PRIu64 " %" PRIu64 "]\n"), | |
e0a12bda BN |
604 | ino, i, irec.br_startoff, irec.br_startblock, |
605 | irec.br_blockcount, i - 1, op, sp, cp); | |
2556c98b | 606 | goto done; |
2bd0ea18 | 607 | } |
e0a12bda BN |
608 | op = irec.br_startoff; |
609 | cp = irec.br_blockcount; | |
610 | sp = irec.br_startblock; | |
2bd0ea18 NS |
611 | |
612 | /* | |
613 | * check numeric validity of the extent | |
614 | */ | |
e0a12bda | 615 | if (irec.br_blockcount == 0) { |
5d1b7f0f CH |
616 | do_warn( |
617 | _("zero length extent (off = %" PRIu64 ", fsbno = %" PRIu64 ") in ino %" PRIu64 "\n"), | |
618 | irec.br_startoff, | |
619 | irec.br_startblock, | |
620 | ino); | |
2556c98b | 621 | goto done; |
2bd0ea18 NS |
622 | } |
623 | ||
2556c98b | 624 | if (type == XR_INO_RTDATA && whichfork == XFS_DATA_FORK) { |
2bd0ea18 | 625 | /* |
2556c98b BN |
626 | * realtime bitmaps don't use AG locks, so returning |
627 | * immediately is fine for this code path. | |
2bd0ea18 | 628 | */ |
e0a12bda | 629 | if (process_rt_rec(mp, &irec, ino, tot, check_dups)) |
2556c98b | 630 | return 1; |
2bd0ea18 | 631 | /* |
e0a12bda | 632 | * skip rest of loop processing since that'irec.br_startblock |
2bd0ea18 NS |
633 | * all for regular file forks and attr forks |
634 | */ | |
635 | continue; | |
636 | } | |
637 | ||
2bd0ea18 NS |
638 | /* |
639 | * regular file data fork or attribute fork | |
640 | */ | |
e0a12bda BN |
641 | switch (verify_dfsbno_range(mp, irec.br_startblock, |
642 | irec.br_blockcount)) { | |
2556c98b BN |
643 | case XR_DFSBNORANGE_VALID: |
644 | break; | |
645 | ||
646 | case XR_DFSBNORANGE_BADSTART: | |
5d1b7f0f CH |
647 | do_warn( |
648 | _("inode %" PRIu64 " - bad extent starting block number %" PRIu64 ", offset %" PRIu64 "\n"), | |
649 | ino, | |
650 | irec.br_startblock, | |
e0a12bda | 651 | irec.br_startoff); |
2556c98b BN |
652 | goto done; |
653 | ||
654 | case XR_DFSBNORANGE_BADEND: | |
5d1b7f0f CH |
655 | do_warn( |
656 | _("inode %" PRIu64 " - bad extent last block number %" PRIu64 ", offset %" PRIu64 "\n"), | |
657 | ino, | |
658 | irec.br_startblock + irec.br_blockcount - 1, | |
659 | irec.br_startoff); | |
2556c98b BN |
660 | goto done; |
661 | ||
662 | case XR_DFSBNORANGE_OVERFLOW: | |
5d1b7f0f CH |
663 | do_warn( |
664 | _("inode %" PRIu64 " - bad extent overflows - start %" PRIu64 ", " | |
665 | "end %" PRIu64 ", offset %" PRIu64 "\n"), | |
666 | ino, | |
667 | irec.br_startblock, | |
668 | irec.br_startblock + irec.br_blockcount - 1, | |
669 | irec.br_startoff); | |
2556c98b BN |
670 | goto done; |
671 | } | |
7511a9cf ES |
672 | /* Ensure this extent does not extend beyond the max offset */ |
673 | if (irec.br_startoff + irec.br_blockcount - 1 > | |
674 | fs_max_file_offset) { | |
5d1b7f0f | 675 | do_warn( |
7511a9cf ES |
676 | _("inode %" PRIu64 " - extent exceeds max offset - start %" PRIu64 ", " |
677 | "count %" PRIu64 ", physical block %" PRIu64 "\n"), | |
678 | ino, irec.br_startoff, irec.br_blockcount, | |
679 | irec.br_startblock); | |
2556c98b BN |
680 | goto done; |
681 | } | |
682 | ||
75372fed | 683 | if (blkmapp && *blkmapp) { |
ea4a8de1 BM |
684 | int error2; |
685 | error2 = blkmap_set_ext(blkmapp, irec.br_startoff, | |
e0a12bda | 686 | irec.br_startblock, irec.br_blockcount); |
ea4a8de1 | 687 | if (error2) { |
75372fed DC |
688 | /* |
689 | * we don't want to clear the inode due to an | |
690 | * internal bmap tracking error, but if we've | |
691 | * run out of memory then we simply can't | |
692 | * validate that the filesystem is consistent. | |
693 | * Hence just abort at this point with an ENOMEM | |
694 | * error. | |
695 | */ | |
696 | do_abort( | |
697 | _("Fatal error: inode %" PRIu64 " - blkmap_set_ext(): %s\n" | |
698 | "\t%s fork, off - %" PRIu64 ", start - %" PRIu64 ", cnt %" PRIu64 "\n"), | |
ea4a8de1 | 699 | ino, strerror(error2), forkname, |
75372fed DC |
700 | irec.br_startoff, irec.br_startblock, |
701 | irec.br_blockcount); | |
702 | } | |
703 | } | |
704 | ||
1e77098c MV |
705 | /* |
706 | * Profiling shows that the following loop takes the | |
707 | * most time in all of xfs_repair. | |
708 | */ | |
e0a12bda BN |
709 | agno = XFS_FSB_TO_AGNO(mp, irec.br_startblock); |
710 | agbno = XFS_FSB_TO_AGBNO(mp, irec.br_startblock); | |
8961bfde | 711 | ebno = agbno + irec.br_blockcount; |
2556c98b BN |
712 | if (agno != locked_agno) { |
713 | if (locked_agno != -1) | |
586f8abf DC |
714 | pthread_mutex_unlock(&ag_locks[locked_agno].lock); |
715 | pthread_mutex_lock(&ag_locks[agno].lock); | |
2556c98b BN |
716 | locked_agno = agno; |
717 | } | |
718 | ||
719 | if (check_dups) { | |
720 | /* | |
721 | * if we're just checking the bmap for dups, | |
722 | * return if we find one, otherwise, continue | |
723 | * checking each entry without setting the | |
724 | * block bitmap | |
725 | */ | |
a406779b DW |
726 | if (!(type == XR_INO_DATA && |
727 | xfs_sb_version_hasreflink(&mp->m_sb)) && | |
728 | search_dup_extent(agno, agbno, ebno)) { | |
5d1b7f0f CH |
729 | do_warn( |
730 | _("%s fork in ino %" PRIu64 " claims dup extent, " | |
731 | "off - %" PRIu64 ", start - %" PRIu64 ", cnt %" PRIu64 "\n"), | |
79872d6e BN |
732 | forkname, ino, irec.br_startoff, |
733 | irec.br_startblock, | |
734 | irec.br_blockcount); | |
735 | goto done; | |
dfc130f3 | 736 | } |
e0a12bda | 737 | *tot += irec.br_blockcount; |
2556c98b BN |
738 | continue; |
739 | } | |
dfc130f3 | 740 | |
8961bfde BN |
741 | for (b = irec.br_startblock; |
742 | agbno < ebno; | |
743 | b += blen, agbno += blen) { | |
744 | state = get_bmap_ext(agno, agbno, ebno, &blen); | |
2bd0ea18 NS |
745 | switch (state) { |
746 | case XR_E_FREE: | |
747 | case XR_E_FREE1: | |
5d1b7f0f CH |
748 | do_warn( |
749 | _("%s fork in ino %" PRIu64 " claims free block %" PRIu64 "\n"), | |
14f8b681 | 750 | forkname, ino, (uint64_t) b); |
2bd0ea18 | 751 | /* fall through ... */ |
0f94fa4b | 752 | case XR_E_INUSE1: /* seen by rmap */ |
2bd0ea18 | 753 | case XR_E_UNKNOWN: |
2bd0ea18 | 754 | break; |
2556c98b | 755 | |
2bd0ea18 | 756 | case XR_E_BAD_STATE: |
5d1b7f0f | 757 | do_error(_("bad state in block map %" PRIu64 "\n"), b); |
2556c98b | 758 | |
0f94fa4b DW |
759 | case XR_E_FS_MAP1: |
760 | case XR_E_INO1: | |
761 | case XR_E_INUSE_FS1: | |
762 | do_warn(_("rmap claims metadata use!\n")); | |
763 | /* fall through */ | |
2bd0ea18 NS |
764 | case XR_E_FS_MAP: |
765 | case XR_E_INO: | |
766 | case XR_E_INUSE_FS: | |
85c9f7f4 | 767 | case XR_E_REFC: |
5d1b7f0f CH |
768 | do_warn( |
769 | _("%s fork in inode %" PRIu64 " claims metadata block %" PRIu64 "\n"), | |
770 | forkname, ino, b); | |
2556c98b BN |
771 | goto done; |
772 | ||
2bd0ea18 NS |
773 | case XR_E_INUSE: |
774 | case XR_E_MULT: | |
a406779b DW |
775 | if (type == XR_INO_DATA && |
776 | xfs_sb_version_hasreflink(&mp->m_sb)) | |
777 | break; | |
5d1b7f0f CH |
778 | do_warn( |
779 | _("%s fork in %s inode %" PRIu64 " claims used block %" PRIu64 "\n"), | |
780 | forkname, ftype, ino, b); | |
2556c98b BN |
781 | goto done; |
782 | ||
85c9f7f4 DW |
783 | case XR_E_COW: |
784 | do_warn( | |
785 | _("%s fork in %s inode %" PRIu64 " claims CoW block %" PRIu64 "\n"), | |
786 | forkname, ftype, ino, b); | |
787 | goto done; | |
788 | ||
2bd0ea18 | 789 | default: |
5d1b7f0f CH |
790 | do_error( |
791 | _("illegal state %d in block map %" PRIu64 "\n"), | |
2bd0ea18 | 792 | state, b); |
bf678507 DW |
793 | goto done; |
794 | } | |
795 | } | |
796 | ||
797 | /* | |
798 | * Update the internal extent map only after we've checked | |
799 | * every block in this extent. The first time we reject this | |
800 | * data fork we'll try to rebuild the bmbt from rmap data. | |
801 | * After a successful rebuild we'll try this scan again. | |
802 | * (If the rebuild fails we won't come back here.) | |
803 | */ | |
804 | agbno = XFS_FSB_TO_AGBNO(mp, irec.br_startblock); | |
805 | ebno = agbno + irec.br_blockcount; | |
806 | for (; agbno < ebno; agbno += blen) { | |
807 | state = get_bmap_ext(agno, agbno, ebno, &blen); | |
808 | switch (state) { | |
809 | case XR_E_FREE: | |
810 | case XR_E_FREE1: | |
811 | case XR_E_INUSE1: | |
812 | case XR_E_UNKNOWN: | |
813 | set_bmap_ext(agno, agbno, blen, XR_E_INUSE); | |
814 | break; | |
815 | case XR_E_INUSE: | |
816 | case XR_E_MULT: | |
817 | set_bmap_ext(agno, agbno, blen, XR_E_MULT); | |
818 | break; | |
819 | default: | |
820 | break; | |
2bd0ea18 NS |
821 | } |
822 | } | |
9e0f480e | 823 | if (collect_rmaps) { /* && !check_dups */ |
2d273771 | 824 | error = rmap_add_rec(mp, ino, whichfork, &irec); |
9e0f480e DW |
825 | if (error) |
826 | do_error( | |
827 | _("couldn't add reverse mapping\n") | |
828 | ); | |
829 | } | |
e0a12bda | 830 | *tot += irec.br_blockcount; |
2bd0ea18 | 831 | } |
2556c98b BN |
832 | error = 0; |
833 | done: | |
834 | if (locked_agno != -1) | |
586f8abf | 835 | pthread_mutex_unlock(&ag_locks[locked_agno].lock); |
e1f43b4c CH |
836 | |
837 | if (i != *numrecs) { | |
838 | ASSERT(i < *numrecs); | |
839 | do_warn(_("correcting nextents for inode %" PRIu64 "\n"), ino); | |
840 | *numrecs = i; | |
841 | } | |
842 | ||
2556c98b | 843 | return error; |
2bd0ea18 NS |
844 | } |
845 | ||
846 | /* | |
847 | * return 1 if inode should be cleared, 0 otherwise, sets block bitmap | |
848 | * as a side-effect | |
849 | */ | |
850 | int | |
851 | process_bmbt_reclist( | |
852 | xfs_mount_t *mp, | |
5e656dbb | 853 | xfs_bmbt_rec_t *rp, |
e1f43b4c | 854 | int *numrecs, |
2bd0ea18 NS |
855 | int type, |
856 | xfs_ino_t ino, | |
5a35bf2c | 857 | xfs_rfsblock_t *tot, |
2bd0ea18 | 858 | blkmap_t **blkmapp, |
5a35bf2c DC |
859 | xfs_fileoff_t *first_key, |
860 | xfs_fileoff_t *last_key, | |
2bd0ea18 NS |
861 | int whichfork) |
862 | { | |
5e656dbb BN |
863 | return process_bmbt_reclist_int(mp, rp, numrecs, type, ino, tot, |
864 | blkmapp, first_key, last_key, 0, whichfork); | |
2bd0ea18 NS |
865 | } |
866 | ||
867 | /* | |
868 | * return 1 if inode should be cleared, 0 otherwise, does not set | |
869 | * block bitmap | |
870 | */ | |
871 | int | |
872 | scan_bmbt_reclist( | |
873 | xfs_mount_t *mp, | |
5e656dbb | 874 | xfs_bmbt_rec_t *rp, |
e1f43b4c | 875 | int *numrecs, |
2bd0ea18 NS |
876 | int type, |
877 | xfs_ino_t ino, | |
5a35bf2c | 878 | xfs_rfsblock_t *tot, |
2bd0ea18 NS |
879 | int whichfork) |
880 | { | |
5a35bf2c DC |
881 | xfs_fileoff_t first_key = 0; |
882 | xfs_fileoff_t last_key = 0; | |
2bd0ea18 | 883 | |
5e656dbb BN |
884 | return process_bmbt_reclist_int(mp, rp, numrecs, type, ino, tot, |
885 | NULL, &first_key, &last_key, 1, whichfork); | |
2bd0ea18 NS |
886 | } |
887 | ||
888 | /* | |
15028317 DW |
889 | * Grab the buffer backing an inode. This is meant for routines that |
890 | * work with inodes one at a time in any order (like walking the | |
891 | * unlinked lists to look for inodes). The caller is responsible for | |
892 | * writing/releasing the buffer. | |
2bd0ea18 | 893 | */ |
15028317 DW |
894 | struct xfs_buf * |
895 | get_agino_buf( | |
896 | struct xfs_mount *mp, | |
897 | xfs_agnumber_t agno, | |
898 | xfs_agino_t agino, | |
899 | struct xfs_dinode **dipp) | |
2bd0ea18 | 900 | { |
15028317 DW |
901 | struct xfs_buf *bp; |
902 | int cluster_size; | |
903 | int ino_per_cluster; | |
904 | xfs_agino_t cluster_agino; | |
905 | xfs_daddr_t cluster_daddr; | |
906 | xfs_daddr_t cluster_blks; | |
2bd0ea18 | 907 | |
15028317 DW |
908 | /* |
909 | * Inode buffers have been read into memory in inode_cluster_size | |
910 | * chunks (or one FSB). To find the correct buffer for an inode, | |
911 | * we must find the buffer for its cluster, add the appropriate | |
912 | * offset, and return that. | |
913 | */ | |
914 | cluster_size = MAX(mp->m_inode_cluster_size, mp->m_sb.sb_blocksize); | |
915 | ino_per_cluster = cluster_size / mp->m_sb.sb_inodesize; | |
916 | cluster_agino = agino & ~(ino_per_cluster - 1); | |
917 | cluster_blks = XFS_FSB_TO_DADDR(mp, MAX(1, | |
2703398a | 918 | mp->m_inode_cluster_size >> mp->m_sb.sb_blocklog)); |
15028317 DW |
919 | cluster_daddr = XFS_AGB_TO_DADDR(mp, agno, |
920 | XFS_AGINO_TO_AGBNO(mp, cluster_agino)); | |
921 | ||
922 | #ifdef XR_INODE_TRACE | |
923 | printf("cluster_size %d ipc %d clusagino %d daddr %lld sectors %lld\n", | |
924 | cluster_size, ino_per_cluster, cluster_agino, cluster_daddr, | |
925 | cluster_blks); | |
926 | #endif | |
927 | ||
928 | bp = libxfs_readbuf(mp->m_dev, cluster_daddr, cluster_blks, | |
929 | 0, &xfs_inode_buf_ops); | |
2bd0ea18 | 930 | if (!bp) { |
5d1b7f0f | 931 | do_warn(_("cannot read inode (%u/%u), disk block %" PRIu64 "\n"), |
15028317 DW |
932 | agno, cluster_agino, cluster_daddr); |
933 | return NULL; | |
2bd0ea18 NS |
934 | } |
935 | ||
15028317 DW |
936 | *dipp = xfs_make_iptr(mp, bp, agino - cluster_agino); |
937 | ASSERT(!xfs_sb_version_hascrc(&mp->m_sb) || | |
938 | XFS_AGINO_TO_INO(mp, agno, agino) == | |
939 | be64_to_cpu((*dipp)->di_ino)); | |
940 | return bp; | |
2bd0ea18 NS |
941 | } |
942 | ||
2bd0ea18 NS |
943 | /* |
944 | * higher level inode processing stuff starts here: | |
945 | * first, one utility routine for each type of inode | |
946 | */ | |
947 | ||
948 | /* | |
949 | * return 1 if inode should be cleared, 0 otherwise | |
950 | */ | |
8b8a6b02 | 951 | static int |
2bd0ea18 NS |
952 | process_btinode( |
953 | xfs_mount_t *mp, | |
954 | xfs_agnumber_t agno, | |
955 | xfs_agino_t ino, | |
956 | xfs_dinode_t *dip, | |
957 | int type, | |
958 | int *dirty, | |
5a35bf2c | 959 | xfs_rfsblock_t *tot, |
14f8b681 | 960 | uint64_t *nex, |
2bd0ea18 NS |
961 | blkmap_t **blkmapp, |
962 | int whichfork, | |
963 | int check_dups) | |
964 | { | |
965 | xfs_bmdr_block_t *dib; | |
5a35bf2c DC |
966 | xfs_fileoff_t last_key; |
967 | xfs_fileoff_t first_key = 0; | |
2bd0ea18 NS |
968 | xfs_ino_t lino; |
969 | xfs_bmbt_ptr_t *pp; | |
970 | xfs_bmbt_key_t *pkey; | |
beed0dc8 | 971 | char *forkname = get_forkname(whichfork); |
2bd0ea18 | 972 | int i; |
9234d416 BN |
973 | int level; |
974 | int numrecs; | |
2bd0ea18 | 975 | bmap_cursor_t cursor; |
14f8b681 | 976 | uint64_t magic; |
2bd0ea18 | 977 | |
46eca962 | 978 | dib = (xfs_bmdr_block_t *)XFS_DFORK_PTR(dip, whichfork); |
2bd0ea18 NS |
979 | lino = XFS_AGINO_TO_INO(mp, agno, ino); |
980 | *tot = 0; | |
981 | *nex = 0; | |
982 | ||
e0607266 DC |
983 | magic = xfs_sb_version_hascrc(&mp->m_sb) ? XFS_BMAP_CRC_MAGIC |
984 | : XFS_BMAP_MAGIC; | |
985 | ||
5e656dbb BN |
986 | level = be16_to_cpu(dib->bb_level); |
987 | numrecs = be16_to_cpu(dib->bb_numrecs); | |
9234d416 BN |
988 | |
989 | if ((level == 0) || (level > XFS_BM_MAXLEVELS(mp, whichfork))) { | |
2bd0ea18 | 990 | /* |
2bd0ea18 NS |
991 | * XXX - if we were going to fix up the inode, |
992 | * we'd try to treat the fork as an interior | |
993 | * node and see if we could get an accurate | |
994 | * level value from one of the blocks pointed | |
995 | * to by the pointers in the fork. For now | |
996 | * though, we just bail (and blow out the inode). | |
997 | */ | |
5d1b7f0f CH |
998 | do_warn( |
999 | _("bad level %d in inode %" PRIu64 " bmap btree root block\n"), | |
9234d416 BN |
1000 | level, XFS_AGINO_TO_INO(mp, agno, ino)); |
1001 | return(1); | |
1002 | } | |
1003 | if (numrecs == 0) { | |
5d1b7f0f CH |
1004 | do_warn( |
1005 | _("bad numrecs 0 in inode %" PRIu64 " bmap btree root block\n"), | |
2bd0ea18 NS |
1006 | XFS_AGINO_TO_INO(mp, agno, ino)); |
1007 | return(1); | |
1008 | } | |
1009 | /* | |
1010 | * use bmdr/dfork_dsize since the root block is in the data fork | |
1011 | */ | |
5e656dbb | 1012 | if (XFS_BMDR_SPACE_CALC(numrecs) > XFS_DFORK_SIZE(dip, mp, whichfork)) { |
2bd0ea18 | 1013 | do_warn( |
507f4e33 | 1014 | _("indicated size of %s btree root (%d bytes) greater than space in " |
5d1b7f0f | 1015 | "inode %" PRIu64 " %s fork\n"), |
9234d416 | 1016 | forkname, XFS_BMDR_SPACE_CALC(numrecs), lino, forkname); |
2bd0ea18 NS |
1017 | return(1); |
1018 | } | |
1019 | ||
9234d416 BN |
1020 | init_bm_cursor(&cursor, level + 1); |
1021 | ||
b3563c19 | 1022 | pp = XFS_BMDR_PTR_ADDR(dib, 1, |
e2f60652 | 1023 | libxfs_bmdr_maxrecs(XFS_DFORK_SIZE(dip, mp, whichfork), 0)); |
b3563c19 | 1024 | pkey = XFS_BMDR_KEY_ADDR(dib, 1); |
5a35bf2c | 1025 | last_key = NULLFILEOFF; |
2bd0ea18 | 1026 | |
9234d416 | 1027 | for (i = 0; i < numrecs; i++) { |
2bd0ea18 NS |
1028 | /* |
1029 | * XXX - if we were going to do more to fix up the inode | |
1030 | * btree, we'd do it right here. For now, if there's a | |
1031 | * problem, we'll bail out and presumably clear the inode. | |
1032 | */ | |
fb36a55d ES |
1033 | if (!verify_dfsbno(mp, get_unaligned_be64(&pp[i]))) { |
1034 | do_warn( | |
1035 | _("bad bmap btree ptr 0x%" PRIx64 " in ino %" PRIu64 "\n"), | |
1036 | get_unaligned_be64(&pp[i]), lino); | |
2bd0ea18 NS |
1037 | return(1); |
1038 | } | |
1039 | ||
fb36a55d ES |
1040 | if (scan_lbtree(get_unaligned_be64(&pp[i]), level, scan_bmapbt, |
1041 | type, whichfork, lino, tot, nex, blkmapp, | |
1042 | &cursor, 1, check_dups, magic, | |
1043 | &xfs_bmbt_buf_ops)) | |
2bd0ea18 NS |
1044 | return(1); |
1045 | /* | |
1046 | * fix key (offset) mismatches between the keys in root | |
1047 | * block records and the first key of each child block. | |
1048 | * fixes cases where entries have been shifted between | |
1049 | * blocks but the parent hasn't been updated | |
1050 | */ | |
5e656dbb | 1051 | if (!check_dups && cursor.level[level-1].first_key != |
fb36a55d | 1052 | get_unaligned_be64(&pkey[i].br_startoff)) { |
2bd0ea18 NS |
1053 | if (!no_modify) { |
1054 | do_warn( | |
fb36a55d ES |
1055 | _("correcting key in bmbt root (was %" PRIu64 ", now %" PRIu64") in inode " |
1056 | "%" PRIu64" %s fork\n"), | |
1057 | get_unaligned_be64(&pkey[i].br_startoff), | |
1058 | cursor.level[level-1].first_key, | |
1059 | XFS_AGINO_TO_INO(mp, agno, ino), | |
1060 | forkname); | |
2bd0ea18 | 1061 | *dirty = 1; |
fb36a55d ES |
1062 | put_unaligned_be64( |
1063 | cursor.level[level-1].first_key, | |
1064 | &pkey[i].br_startoff); | |
2bd0ea18 NS |
1065 | } else { |
1066 | do_warn( | |
fb36a55d ES |
1067 | _("bad key in bmbt root (is %" PRIu64 ", would reset to %" PRIu64 ") in inode " |
1068 | "%" PRIu64 " %s fork\n"), | |
1069 | get_unaligned_be64(&pkey[i].br_startoff), | |
1070 | cursor.level[level-1].first_key, | |
1071 | XFS_AGINO_TO_INO(mp, agno, ino), | |
1072 | forkname); | |
2bd0ea18 NS |
1073 | } |
1074 | } | |
1075 | /* | |
1076 | * make sure that keys are in ascending order. blow out | |
1077 | * inode if the ordering doesn't hold | |
1078 | */ | |
1079 | if (check_dups == 0) { | |
5a35bf2c | 1080 | if (last_key != NULLFILEOFF && last_key >= |
9234d416 | 1081 | cursor.level[level-1].first_key) { |
2bd0ea18 | 1082 | do_warn( |
5d1b7f0f | 1083 | _("out of order bmbt root key %" PRIu64 " in inode %" PRIu64 " %s fork\n"), |
2bd0ea18 NS |
1084 | first_key, |
1085 | XFS_AGINO_TO_INO(mp, agno, ino), | |
1086 | forkname); | |
1087 | return(1); | |
1088 | } | |
9234d416 | 1089 | last_key = cursor.level[level-1].first_key; |
2bd0ea18 NS |
1090 | } |
1091 | } | |
2e10b140 ES |
1092 | /* |
1093 | * Ideally if all the extents are ok (perhaps after further | |
1094 | * checks below?) we'd just move this back into extents format. | |
1095 | * But for now clear it, as the kernel will choke on this | |
1096 | */ | |
1097 | if (*nex <= XFS_DFORK_SIZE(dip, mp, whichfork) / | |
1098 | sizeof(xfs_bmbt_rec_t)) { | |
1099 | do_warn( | |
5d1b7f0f | 1100 | _("extent count for ino %" PRIu64 " %s fork too low (%" PRIu64 ") for file format\n"), |
2e10b140 ES |
1101 | lino, forkname, *nex); |
1102 | return(1); | |
1103 | } | |
2bd0ea18 NS |
1104 | /* |
1105 | * Check that the last child block's forward sibling pointer | |
1106 | * is NULL. | |
1107 | */ | |
1108 | if (check_dups == 0 && | |
5a35bf2c | 1109 | cursor.level[0].right_fsbno != NULLFSBLOCK) { |
2bd0ea18 | 1110 | do_warn( |
5a35bf2c | 1111 | _("bad fwd (right) sibling pointer (saw %" PRIu64 " should be NULLFSBLOCK)\n"), |
2bd0ea18 NS |
1112 | cursor.level[0].right_fsbno); |
1113 | do_warn( | |
5d1b7f0f | 1114 | _("\tin inode %" PRIu64 " (%s fork) bmap btree block %" PRIu64 "\n"), |
2bd0ea18 NS |
1115 | XFS_AGINO_TO_INO(mp, agno, ino), forkname, |
1116 | cursor.level[0].fsbno); | |
1117 | return(1); | |
1118 | } | |
dfc130f3 | 1119 | |
2bd0ea18 NS |
1120 | return(0); |
1121 | } | |
1122 | ||
1123 | /* | |
1124 | * return 1 if inode should be cleared, 0 otherwise | |
1125 | */ | |
8b8a6b02 | 1126 | static int |
2bd0ea18 NS |
1127 | process_exinode( |
1128 | xfs_mount_t *mp, | |
1129 | xfs_agnumber_t agno, | |
1130 | xfs_agino_t ino, | |
1131 | xfs_dinode_t *dip, | |
1132 | int type, | |
1133 | int *dirty, | |
5a35bf2c | 1134 | xfs_rfsblock_t *tot, |
14f8b681 | 1135 | uint64_t *nex, |
2bd0ea18 NS |
1136 | blkmap_t **blkmapp, |
1137 | int whichfork, | |
1138 | int check_dups) | |
1139 | { | |
1140 | xfs_ino_t lino; | |
5e656dbb | 1141 | xfs_bmbt_rec_t *rp; |
5a35bf2c DC |
1142 | xfs_fileoff_t first_key; |
1143 | xfs_fileoff_t last_key; | |
5fa28531 | 1144 | int32_t numrecs; |
e1f43b4c | 1145 | int ret; |
2bd0ea18 NS |
1146 | |
1147 | lino = XFS_AGINO_TO_INO(mp, agno, ino); | |
5e656dbb | 1148 | rp = (xfs_bmbt_rec_t *)XFS_DFORK_PTR(dip, whichfork); |
2bd0ea18 | 1149 | *tot = 0; |
e1f43b4c CH |
1150 | numrecs = XFS_DFORK_NEXTENTS(dip, whichfork); |
1151 | ||
5fa28531 DC |
1152 | /* |
1153 | * We've already decided on the maximum number of extents on the inode, | |
1154 | * and numrecs may be corrupt. Hence make sure we only allow numrecs to | |
1155 | * be in the range of valid on-disk numbers, which is: | |
1156 | * 0 < numrecs < 2^31 - 1 | |
1157 | */ | |
1158 | if (numrecs < 0) | |
1159 | numrecs = *nex; | |
1160 | ||
2bd0ea18 NS |
1161 | /* |
1162 | * XXX - if we were going to fix up the btree record, | |
1163 | * we'd do it right here. For now, if there's a problem, | |
1164 | * we'll bail out and presumably clear the inode. | |
1165 | */ | |
1166 | if (check_dups == 0) | |
e1f43b4c | 1167 | ret = process_bmbt_reclist(mp, rp, &numrecs, type, lino, |
2bd0ea18 | 1168 | tot, blkmapp, &first_key, &last_key, |
e1f43b4c | 1169 | whichfork); |
2bd0ea18 | 1170 | else |
e1f43b4c CH |
1171 | ret = scan_bmbt_reclist(mp, rp, &numrecs, type, lino, tot, |
1172 | whichfork); | |
1173 | ||
1174 | *nex = numrecs; | |
1175 | return ret; | |
2bd0ea18 NS |
1176 | } |
1177 | ||
1178 | /* | |
1179 | * return 1 if inode should be cleared, 0 otherwise | |
1180 | */ | |
5e656dbb | 1181 | static int |
2bd0ea18 NS |
1182 | process_lclinode( |
1183 | xfs_mount_t *mp, | |
1184 | xfs_agnumber_t agno, | |
1185 | xfs_agino_t ino, | |
1186 | xfs_dinode_t *dip, | |
5e656dbb | 1187 | int whichfork) |
2bd0ea18 NS |
1188 | { |
1189 | xfs_attr_shortform_t *asf; | |
2bd0ea18 NS |
1190 | xfs_ino_t lino; |
1191 | ||
2bd0ea18 | 1192 | lino = XFS_AGINO_TO_INO(mp, agno, ino); |
56b2de80 | 1193 | if (whichfork == XFS_DATA_FORK && be64_to_cpu(dip->di_size) > |
5e656dbb | 1194 | XFS_DFORK_DSIZE(dip, mp)) { |
2bd0ea18 | 1195 | do_warn( |
5d1b7f0f CH |
1196 | _("local inode %" PRIu64 " data fork is too large (size = %lld, max = %d)\n"), |
1197 | lino, (unsigned long long) be64_to_cpu(dip->di_size), | |
46eca962 | 1198 | XFS_DFORK_DSIZE(dip, mp)); |
2bd0ea18 NS |
1199 | return(1); |
1200 | } else if (whichfork == XFS_ATTR_FORK) { | |
5e656dbb BN |
1201 | asf = (xfs_attr_shortform_t *)XFS_DFORK_APTR(dip); |
1202 | if (be16_to_cpu(asf->hdr.totsize) > XFS_DFORK_ASIZE(dip, mp)) { | |
2bd0ea18 | 1203 | do_warn( |
5d1b7f0f | 1204 | _("local inode %" PRIu64 " attr fork too large (size %d, max = %d)\n"), |
5e656dbb | 1205 | lino, be16_to_cpu(asf->hdr.totsize), |
46eca962 | 1206 | XFS_DFORK_ASIZE(dip, mp)); |
2bd0ea18 NS |
1207 | return(1); |
1208 | } | |
5e656dbb | 1209 | if (be16_to_cpu(asf->hdr.totsize) < sizeof(xfs_attr_sf_hdr_t)) { |
2bd0ea18 | 1210 | do_warn( |
5d1b7f0f | 1211 | _("local inode %" PRIu64 " attr too small (size = %d, min size = %zd)\n"), |
5e656dbb | 1212 | lino, be16_to_cpu(asf->hdr.totsize), |
507f4e33 | 1213 | sizeof(xfs_attr_sf_hdr_t)); |
2bd0ea18 NS |
1214 | return(1); |
1215 | } | |
1216 | } | |
1217 | ||
1218 | return(0); | |
1219 | } | |
1220 | ||
8b8a6b02 | 1221 | static int |
2bd0ea18 NS |
1222 | process_symlink_extlist(xfs_mount_t *mp, xfs_ino_t lino, xfs_dinode_t *dino) |
1223 | { | |
5a35bf2c | 1224 | xfs_fileoff_t expected_offset; |
e0a12bda BN |
1225 | xfs_bmbt_rec_t *rp; |
1226 | xfs_bmbt_irec_t irec; | |
2bd0ea18 NS |
1227 | int numrecs; |
1228 | int i; | |
1229 | int max_blocks; | |
2bd0ea18 | 1230 | |
56b2de80 | 1231 | if (be64_to_cpu(dino->di_size) <= XFS_DFORK_DSIZE(dino, mp)) { |
f8149110 | 1232 | if (dino->di_format == XFS_DINODE_FMT_LOCAL) |
5e656dbb | 1233 | return 0; |
5d1b7f0f CH |
1234 | do_warn( |
1235 | _("mismatch between format (%d) and size (%" PRId64 ") in symlink ino %" PRIu64 "\n"), | |
1236 | dino->di_format, | |
14f8b681 | 1237 | (int64_t)be64_to_cpu(dino->di_size), lino); |
5e656dbb BN |
1238 | return 1; |
1239 | } | |
56b2de80 | 1240 | if (dino->di_format == XFS_DINODE_FMT_LOCAL) { |
5d1b7f0f | 1241 | do_warn( |
b52923f3 | 1242 | _("mismatch between format (%d) and size (%" PRId64 ") in symlink inode %" PRIu64 "\n"), |
5d1b7f0f | 1243 | dino->di_format, |
14f8b681 | 1244 | (int64_t)be64_to_cpu(dino->di_size), lino); |
5e656dbb | 1245 | return 1; |
2bd0ea18 NS |
1246 | } |
1247 | ||
5e656dbb | 1248 | rp = (xfs_bmbt_rec_t *)XFS_DFORK_DPTR(dino); |
56b2de80 | 1249 | numrecs = be32_to_cpu(dino->di_nextents); |
2bd0ea18 NS |
1250 | |
1251 | /* | |
1252 | * the max # of extents in a symlink inode is equal to the | |
dfc130f3 | 1253 | * number of max # of blocks required to store the symlink |
2bd0ea18 NS |
1254 | */ |
1255 | if (numrecs > max_symlink_blocks) { | |
1256 | do_warn( | |
5d1b7f0f | 1257 | _("bad number of extents (%d) in symlink %" PRIu64 " data fork\n"), |
2bd0ea18 NS |
1258 | numrecs, lino); |
1259 | return(1); | |
1260 | } | |
1261 | ||
1262 | max_blocks = max_symlink_blocks; | |
1263 | expected_offset = 0; | |
1264 | ||
5e656dbb | 1265 | for (i = 0; i < numrecs; i++) { |
ff105f75 | 1266 | libxfs_bmbt_disk_get_all((rp +i), &irec); |
e0a12bda | 1267 | if (irec.br_startoff != expected_offset) { |
2bd0ea18 | 1268 | do_warn( |
5d1b7f0f | 1269 | _("bad extent #%d offset (%" PRIu64 ") in symlink %" PRIu64 " data fork\n"), |
e0a12bda | 1270 | i, irec.br_startoff, lino); |
2bd0ea18 NS |
1271 | return(1); |
1272 | } | |
e0a12bda | 1273 | if (irec.br_blockcount == 0 || irec.br_blockcount > max_blocks) { |
2bd0ea18 | 1274 | do_warn( |
5d1b7f0f | 1275 | _("bad extent #%d count (%" PRIu64 ") in symlink %" PRIu64 " data fork\n"), |
e0a12bda | 1276 | i, irec.br_blockcount, lino); |
2bd0ea18 NS |
1277 | return(1); |
1278 | } | |
1279 | ||
e0a12bda BN |
1280 | max_blocks -= irec.br_blockcount; |
1281 | expected_offset += irec.br_blockcount; | |
2bd0ea18 NS |
1282 | } |
1283 | ||
1284 | return(0); | |
1285 | } | |
1286 | ||
1287 | /* | |
1288 | * takes a name and length and returns 1 if the name contains | |
1289 | * a \0, returns 0 otherwise | |
1290 | */ | |
8b8a6b02 | 1291 | static int |
2bd0ea18 NS |
1292 | null_check(char *name, int length) |
1293 | { | |
1294 | int i; | |
1295 | ||
5a707ca1 | 1296 | ASSERT(length < XFS_SYMLINK_MAXLEN); |
2bd0ea18 NS |
1297 | |
1298 | for (i = 0; i < length; i++, name++) { | |
1299 | if (*name == '\0') | |
1300 | return(1); | |
1301 | } | |
1302 | ||
1303 | return(0); | |
1304 | } | |
1305 | ||
5857dce9 ES |
1306 | /* |
1307 | * This does /not/ do quotacheck, it validates the basic quota | |
1308 | * inode metadata, checksums, etc. | |
1309 | */ | |
1310 | #define uuid_equal(s,d) (platform_uuid_compare((s),(d)) == 0) | |
1311 | static int | |
1312 | process_quota_inode( | |
1313 | struct xfs_mount *mp, | |
1314 | xfs_ino_t lino, | |
1315 | struct xfs_dinode *dino, | |
1316 | uint ino_type, | |
1317 | struct blkmap *blkmap) | |
1318 | { | |
1319 | xfs_fsblock_t fsbno; | |
1320 | struct xfs_buf *bp; | |
1321 | xfs_filblks_t dqchunklen; | |
1322 | uint dqperchunk; | |
1323 | int quota_type; | |
1324 | char *quota_string; | |
1325 | xfs_dqid_t dqid; | |
1326 | xfs_fileoff_t qbno; | |
1327 | int i; | |
1328 | int t = 0; | |
1329 | ||
1330 | switch (ino_type) { | |
1331 | case XR_INO_UQUOTA: | |
1332 | quota_type = XFS_DQ_USER; | |
1333 | quota_string = _("User quota"); | |
1334 | break; | |
1335 | case XR_INO_GQUOTA: | |
1336 | quota_type = XFS_DQ_GROUP; | |
1337 | quota_string = _("Group quota"); | |
1338 | break; | |
1339 | case XR_INO_PQUOTA: | |
1340 | quota_type = XFS_DQ_PROJ; | |
1341 | quota_string = _("Project quota"); | |
1342 | break; | |
1343 | default: | |
1344 | ASSERT(0); | |
1345 | } | |
1346 | ||
1347 | dqchunklen = XFS_FSB_TO_BB(mp, XFS_DQUOT_CLUSTER_SIZE_FSB); | |
1348 | dqperchunk = xfs_calc_dquots_per_chunk(dqchunklen); | |
1349 | dqid = 0; | |
1350 | qbno = NULLFILEOFF; | |
1351 | ||
1352 | while ((qbno = blkmap_next_off(blkmap, qbno, &t)) != NULLFILEOFF) { | |
1353 | xfs_dqblk_t *dqb; | |
1354 | int writebuf = 0; | |
1355 | ||
1356 | fsbno = blkmap_get(blkmap, qbno); | |
1357 | dqid = (xfs_dqid_t)qbno * dqperchunk; | |
1358 | ||
1359 | bp = libxfs_readbuf(mp->m_dev, XFS_FSB_TO_DADDR(mp, fsbno), | |
1360 | dqchunklen, 0, &xfs_dquot_buf_ops); | |
1361 | if (!bp) { | |
1362 | do_warn( | |
1363 | _("cannot read inode %" PRIu64 ", file block %" PRIu64 ", disk block %" PRIu64 "\n"), | |
1364 | lino, qbno, fsbno); | |
1365 | return 1; | |
1366 | } | |
1367 | ||
1368 | dqb = bp->b_addr; | |
1369 | for (i = 0; i < dqperchunk; i++, dqid++, dqb++) { | |
1370 | xfs_failaddr_t fa; | |
1371 | int bad_dqb = 0; | |
1372 | ||
1373 | /* We only print the first problem we find */ | |
1374 | if (xfs_sb_version_hascrc(&mp->m_sb)) { | |
1375 | if (!xfs_verify_cksum((char *)dqb, sizeof(*dqb), | |
1376 | XFS_DQUOT_CRC_OFF)) { | |
1377 | do_warn(_("%s: bad CRC for id %u. "), | |
1378 | quota_string, dqid); | |
1379 | bad_dqb = 1; | |
1380 | goto bad; | |
1381 | } | |
1382 | ||
1383 | if (!uuid_equal(&dqb->dd_uuid, | |
1384 | &mp->m_sb.sb_meta_uuid)) { | |
1385 | do_warn(_("%s: bad UUID for id %u. "), | |
1386 | quota_string, dqid); | |
1387 | bad_dqb = 1; | |
1388 | goto bad; | |
1389 | } | |
1390 | } | |
1391 | fa = xfs_dquot_verify(mp, &dqb->dd_diskdq, dqid, quota_type, 0); | |
1392 | if (fa) { | |
1393 | do_warn(_("%s: Corrupt quota for id %u. "), | |
1394 | quota_string, dqid); | |
1395 | bad_dqb = 1; | |
1396 | } | |
1397 | ||
1398 | bad: | |
1399 | if (bad_dqb) { | |
1400 | if (no_modify) | |
1401 | do_warn(_("Would correct.\n")); | |
1402 | else { | |
1403 | do_warn(_("Corrected.\n")); | |
1404 | xfs_dquot_repair(mp, &dqb->dd_diskdq, dqid, quota_type); | |
1405 | writebuf = 1; | |
1406 | } | |
1407 | } | |
1408 | } | |
1409 | ||
1410 | if (writebuf && !no_modify) | |
1411 | libxfs_writebuf(bp, 0); | |
1412 | else | |
1413 | libxfs_putbuf(bp); | |
1414 | } | |
1415 | return 0; | |
1416 | } | |
1417 | ||
2019931a DC |
1418 | static int |
1419 | process_symlink_remote( | |
1420 | struct xfs_mount *mp, | |
1421 | xfs_ino_t lino, | |
1422 | struct xfs_dinode *dino, | |
1423 | struct blkmap *blkmap, | |
1424 | char *dst) | |
1425 | { | |
5a35bf2c | 1426 | xfs_fsblock_t fsbno; |
2019931a DC |
1427 | struct xfs_buf *bp; |
1428 | char *src; | |
1429 | int pathlen; | |
1430 | int offset; | |
1431 | int i; | |
1432 | ||
1433 | offset = 0; | |
1434 | pathlen = be64_to_cpu(dino->di_size); | |
1435 | i = 0; | |
1436 | ||
1437 | while (pathlen > 0) { | |
1438 | int blk_cnt = 1; | |
1439 | int byte_cnt; | |
7cb3f7fe | 1440 | int badcrc = 0; |
2019931a DC |
1441 | |
1442 | fsbno = blkmap_get(blkmap, i); | |
5a35bf2c | 1443 | if (fsbno == NULLFSBLOCK) { |
2019931a DC |
1444 | do_warn( |
1445 | _("cannot read inode %" PRIu64 ", file block %d, NULL disk block\n"), | |
1446 | lino, i); | |
1447 | return 1; | |
1448 | } | |
1449 | ||
1450 | /* | |
1451 | * There's a symlink header for each contiguous extent. If | |
1452 | * there are contiguous blocks, read them in one go. | |
1453 | */ | |
1454 | while (blk_cnt <= max_symlink_blocks) { | |
1455 | if (blkmap_get(blkmap, i + 1) != fsbno + 1) | |
1456 | break; | |
1457 | blk_cnt++; | |
1458 | i++; | |
1459 | } | |
1460 | ||
1461 | byte_cnt = XFS_FSB_TO_B(mp, blk_cnt); | |
1462 | ||
1463 | bp = libxfs_readbuf(mp->m_dev, XFS_FSB_TO_DADDR(mp, fsbno), | |
1464 | BTOBB(byte_cnt), 0, &xfs_symlink_buf_ops); | |
1465 | if (!bp) { | |
1466 | do_warn( | |
1467 | _("cannot read inode %" PRIu64 ", file block %d, disk block %" PRIu64 "\n"), | |
1468 | lino, i, fsbno); | |
1469 | return 1; | |
1470 | } | |
d2be29d4 DW |
1471 | if (bp->b_error == -EFSCORRUPTED) { |
1472 | do_warn( | |
1473 | _("Corrupt symlink remote block %" PRIu64 ", inode %" PRIu64 ".\n"), | |
1474 | fsbno, lino); | |
1475 | libxfs_putbuf(bp); | |
1476 | return 1; | |
1477 | } | |
12b53197 | 1478 | if (bp->b_error == -EFSBADCRC) { |
7cb3f7fe DC |
1479 | do_warn( |
1480 | _("Bad symlink buffer CRC, block %" PRIu64 ", inode %" PRIu64 ".\n" | |
1481 | "Correcting CRC, but symlink may be bad.\n"), fsbno, lino); | |
1482 | badcrc = 1; | |
1483 | } | |
2019931a DC |
1484 | |
1485 | byte_cnt = XFS_SYMLINK_BUF_SPACE(mp, byte_cnt); | |
1486 | byte_cnt = MIN(pathlen, byte_cnt); | |
1487 | ||
1488 | src = bp->b_addr; | |
1489 | if (xfs_sb_version_hascrc(&mp->m_sb)) { | |
ff105f75 DC |
1490 | if (!libxfs_symlink_hdr_ok(lino, offset, |
1491 | byte_cnt, bp)) { | |
2019931a DC |
1492 | do_warn( |
1493 | _("bad symlink header ino %" PRIu64 ", file block %d, disk block %" PRIu64 "\n"), | |
1494 | lino, i, fsbno); | |
1495 | libxfs_putbuf(bp); | |
1496 | return 1; | |
1497 | } | |
1498 | src += sizeof(struct xfs_dsymlink_hdr); | |
1499 | } | |
1500 | ||
1501 | memmove(dst + offset, src, byte_cnt); | |
1502 | ||
1503 | pathlen -= byte_cnt; | |
1504 | offset += byte_cnt; | |
1505 | i++; | |
1506 | ||
7cb3f7fe DC |
1507 | if (badcrc && !no_modify) |
1508 | libxfs_writebuf(bp, 0); | |
1509 | else | |
1510 | libxfs_putbuf(bp); | |
2019931a DC |
1511 | } |
1512 | return 0; | |
1513 | } | |
1514 | ||
2bd0ea18 NS |
1515 | /* |
1516 | * like usual, returns 0 if everything's ok and 1 if something's | |
1517 | * bogus | |
1518 | */ | |
8b8a6b02 | 1519 | static int |
0459b626 BN |
1520 | process_symlink( |
1521 | xfs_mount_t *mp, | |
1522 | xfs_ino_t lino, | |
1523 | xfs_dinode_t *dino, | |
1524 | blkmap_t *blkmap) | |
2bd0ea18 | 1525 | { |
2116b6a6 | 1526 | char *symlink; |
5a707ca1 | 1527 | char data[XFS_SYMLINK_MAXLEN]; |
2bd0ea18 NS |
1528 | |
1529 | /* | |
1530 | * check size against kernel symlink limits. we know | |
1531 | * size is consistent with inode storage format -- e.g. | |
1532 | * the inode is structurally ok so we don't have to check | |
1533 | * for that | |
1534 | */ | |
5a707ca1 | 1535 | if (be64_to_cpu(dino->di_size) >= XFS_SYMLINK_MAXLEN) { |
5d1b7f0f CH |
1536 | do_warn(_("symlink in inode %" PRIu64 " too long (%llu chars)\n"), |
1537 | lino, (unsigned long long) be64_to_cpu(dino->di_size)); | |
2bd0ea18 NS |
1538 | return(1); |
1539 | } | |
1540 | ||
948ade75 BF |
1541 | if (be64_to_cpu(dino->di_size) == 0) { |
1542 | do_warn(_("zero size symlink in inode %" PRIu64 "\n"), lino); | |
1543 | return 1; | |
1544 | } | |
1545 | ||
2bd0ea18 NS |
1546 | /* |
1547 | * have to check symlink component by component. | |
1548 | * get symlink contents into data area | |
1549 | */ | |
1550 | symlink = &data[0]; | |
56b2de80 | 1551 | if (be64_to_cpu(dino->di_size) <= XFS_DFORK_DSIZE(dino, mp)) { |
2bd0ea18 NS |
1552 | /* |
1553 | * local symlink, just copy the symlink out of the | |
1554 | * inode into the data area | |
1555 | */ | |
f8149110 | 1556 | memmove(symlink, XFS_DFORK_DPTR(dino), |
56b2de80 | 1557 | be64_to_cpu(dino->di_size)); |
2bd0ea18 | 1558 | } else { |
2019931a | 1559 | int error; |
e0607266 | 1560 | |
2019931a DC |
1561 | error = process_symlink_remote(mp, lino, dino, blkmap, symlink); |
1562 | if (error) | |
1563 | return error; | |
2bd0ea18 | 1564 | } |
2019931a | 1565 | |
56b2de80 | 1566 | data[be64_to_cpu(dino->di_size)] = '\0'; |
2bd0ea18 NS |
1567 | |
1568 | /* | |
1569 | * check for nulls | |
1570 | */ | |
56b2de80 | 1571 | if (null_check(symlink, be64_to_cpu(dino->di_size))) { |
507f4e33 | 1572 | do_warn( |
5d1b7f0f | 1573 | _("found illegal null character in symlink inode %" PRIu64 "\n"), |
2bd0ea18 NS |
1574 | lino); |
1575 | return(1); | |
1576 | } | |
1577 | ||
2bd0ea18 NS |
1578 | return(0); |
1579 | } | |
1580 | ||
1581 | /* | |
1582 | * called to process the set of misc inode special inode types | |
1583 | * that have no associated data storage (fifos, pipes, devices, etc.). | |
1584 | */ | |
0459b626 | 1585 | static int |
2bd0ea18 NS |
1586 | process_misc_ino_types(xfs_mount_t *mp, |
1587 | xfs_dinode_t *dino, | |
1588 | xfs_ino_t lino, | |
1589 | int type) | |
1590 | { | |
1591 | /* | |
1592 | * disallow mountpoint inodes until such time as the | |
1593 | * kernel actually allows them to be created (will | |
1594 | * probably require a superblock version rev, sigh). | |
1595 | */ | |
1596 | if (type == XR_INO_MOUNTPOINT) { | |
5d1b7f0f CH |
1597 | do_warn( |
1598 | _("inode %" PRIu64 " has bad inode type (IFMNT)\n"), lino); | |
2bd0ea18 NS |
1599 | return(1); |
1600 | } | |
1601 | ||
1602 | /* | |
1603 | * must also have a zero size | |
1604 | */ | |
56b2de80 | 1605 | if (be64_to_cpu(dino->di_size) != 0) { |
2bd0ea18 NS |
1606 | switch (type) { |
1607 | case XR_INO_CHRDEV: | |
5d1b7f0f CH |
1608 | do_warn( |
1609 | _("size of character device inode %" PRIu64 " != 0 (%" PRId64 " bytes)\n"), lino, | |
14f8b681 | 1610 | (int64_t)be64_to_cpu(dino->di_size)); |
2bd0ea18 NS |
1611 | break; |
1612 | case XR_INO_BLKDEV: | |
5d1b7f0f CH |
1613 | do_warn( |
1614 | _("size of block device inode %" PRIu64 " != 0 (%" PRId64 " bytes)\n"), lino, | |
14f8b681 | 1615 | (int64_t)be64_to_cpu(dino->di_size)); |
2bd0ea18 NS |
1616 | break; |
1617 | case XR_INO_SOCK: | |
5d1b7f0f CH |
1618 | do_warn( |
1619 | _("size of socket inode %" PRIu64 " != 0 (%" PRId64 " bytes)\n"), lino, | |
14f8b681 | 1620 | (int64_t)be64_to_cpu(dino->di_size)); |
2bd0ea18 NS |
1621 | break; |
1622 | case XR_INO_FIFO: | |
5d1b7f0f CH |
1623 | do_warn( |
1624 | _("size of fifo inode %" PRIu64 " != 0 (%" PRId64 " bytes)\n"), lino, | |
14f8b681 | 1625 | (int64_t)be64_to_cpu(dino->di_size)); |
2bd0ea18 | 1626 | break; |
5857dce9 ES |
1627 | case XR_INO_UQUOTA: |
1628 | case XR_INO_GQUOTA: | |
1629 | case XR_INO_PQUOTA: | |
1630 | do_warn( | |
1631 | _("size of quota inode %" PRIu64 " != 0 (%" PRId64 " bytes)\n"), lino, | |
1632 | (int64_t)be64_to_cpu(dino->di_size)); | |
1633 | break; | |
2bd0ea18 | 1634 | default: |
507f4e33 NS |
1635 | do_warn(_("Internal error - process_misc_ino_types, " |
1636 | "illegal type %d\n"), type); | |
2bd0ea18 NS |
1637 | abort(); |
1638 | } | |
1639 | ||
1640 | return(1); | |
1641 | } | |
1642 | ||
1643 | return(0); | |
1644 | } | |
1645 | ||
5e656dbb | 1646 | static int |
5a35bf2c | 1647 | process_misc_ino_types_blocks(xfs_rfsblock_t totblocks, xfs_ino_t lino, int type) |
2bd0ea18 NS |
1648 | { |
1649 | /* | |
1650 | * you can not enforce all misc types have zero data fork blocks | |
56b2de80 | 1651 | * by checking dino->di_nblocks because atotblocks (attribute |
2bd0ea18 | 1652 | * blocks) are part of nblocks. We must check this later when atotblocks |
dfc130f3 | 1653 | * has been calculated or by doing a simple check that anExtents == 0. |
2bd0ea18 NS |
1654 | * We must also guarantee that totblocks is 0. Thus nblocks checking |
1655 | * will be done later in process_dinode_int for misc types. | |
1656 | */ | |
1657 | ||
1658 | if (totblocks != 0) { | |
1659 | switch (type) { | |
1660 | case XR_INO_CHRDEV: | |
1661 | do_warn( | |
5d1b7f0f | 1662 | _("size of character device inode %" PRIu64 " != 0 (%" PRIu64 " blocks)\n"), |
2bd0ea18 NS |
1663 | lino, totblocks); |
1664 | break; | |
1665 | case XR_INO_BLKDEV: | |
1666 | do_warn( | |
5d1b7f0f | 1667 | _("size of block device inode %" PRIu64 " != 0 (%" PRIu64 " blocks)\n"), |
2bd0ea18 NS |
1668 | lino, totblocks); |
1669 | break; | |
1670 | case XR_INO_SOCK: | |
1671 | do_warn( | |
5d1b7f0f | 1672 | _("size of socket inode %" PRIu64 " != 0 (%" PRIu64 " blocks)\n"), |
2bd0ea18 NS |
1673 | lino, totblocks); |
1674 | break; | |
1675 | case XR_INO_FIFO: | |
1676 | do_warn( | |
5d1b7f0f | 1677 | _("size of fifo inode %" PRIu64 " != 0 (%" PRIu64 " blocks)\n"), |
2bd0ea18 NS |
1678 | lino, totblocks); |
1679 | break; | |
1680 | default: | |
1681 | return(0); | |
1682 | } | |
1683 | return(1); | |
1684 | } | |
1685 | return (0); | |
1686 | } | |
1687 | ||
0459b626 BN |
1688 | static inline int |
1689 | dinode_fmt( | |
56b2de80 | 1690 | xfs_dinode_t *dino) |
2bd0ea18 | 1691 | { |
56b2de80 | 1692 | return be16_to_cpu(dino->di_mode) & S_IFMT; |
0459b626 | 1693 | } |
2bd0ea18 | 1694 | |
0459b626 BN |
1695 | static inline void |
1696 | change_dinode_fmt( | |
56b2de80 | 1697 | xfs_dinode_t *dino, |
0459b626 BN |
1698 | int new_fmt) |
1699 | { | |
56b2de80 | 1700 | int mode = be16_to_cpu(dino->di_mode); |
2bd0ea18 | 1701 | |
0459b626 | 1702 | ASSERT((new_fmt & ~S_IFMT) == 0); |
2bd0ea18 | 1703 | |
0459b626 BN |
1704 | mode &= ~S_IFMT; |
1705 | mode |= new_fmt; | |
56b2de80 | 1706 | dino->di_mode = cpu_to_be16(mode); |
0459b626 BN |
1707 | } |
1708 | ||
1709 | static int | |
1710 | check_dinode_mode_format( | |
56b2de80 | 1711 | xfs_dinode_t *dinoc) |
0459b626 | 1712 | { |
5e656dbb | 1713 | if (dinoc->di_format >= XFS_DINODE_FMT_UUID) |
0459b626 BN |
1714 | return -1; /* FMT_UUID is not used */ |
1715 | ||
1716 | switch (dinode_fmt(dinoc)) { | |
1717 | case S_IFIFO: | |
1718 | case S_IFCHR: | |
1719 | case S_IFBLK: | |
1720 | case S_IFSOCK: | |
1721 | return (dinoc->di_format != XFS_DINODE_FMT_DEV) ? -1 : 0; | |
1722 | ||
1723 | case S_IFDIR: | |
1724 | return (dinoc->di_format < XFS_DINODE_FMT_LOCAL || | |
1725 | dinoc->di_format > XFS_DINODE_FMT_BTREE) ? -1 : 0; | |
1726 | ||
1727 | case S_IFREG: | |
1728 | return (dinoc->di_format < XFS_DINODE_FMT_EXTENTS || | |
1729 | dinoc->di_format > XFS_DINODE_FMT_BTREE) ? -1 : 0; | |
1730 | ||
1731 | case S_IFLNK: | |
1732 | return (dinoc->di_format < XFS_DINODE_FMT_LOCAL || | |
1733 | dinoc->di_format > XFS_DINODE_FMT_EXTENTS) ? -1 : 0; | |
1734 | ||
1735 | default: ; | |
1736 | } | |
1737 | return 0; /* invalid modes are checked elsewhere */ | |
1738 | } | |
1739 | ||
1740 | /* | |
1741 | * If inode is a superblock inode, does type check to make sure is it valid. | |
1742 | * Returns 0 if it's valid, non-zero if it needs to be cleared. | |
1743 | */ | |
1744 | ||
1745 | static int | |
1746 | process_check_sb_inodes( | |
1747 | xfs_mount_t *mp, | |
56b2de80 | 1748 | xfs_dinode_t *dinoc, |
0459b626 BN |
1749 | xfs_ino_t lino, |
1750 | int *type, | |
1751 | int *dirty) | |
1752 | { | |
1753 | if (lino == mp->m_sb.sb_rootino) { | |
5857dce9 | 1754 | if (*type != XR_INO_DIR) { |
5d1b7f0f | 1755 | do_warn(_("root inode %" PRIu64 " has bad type 0x%x\n"), |
0459b626 BN |
1756 | lino, dinode_fmt(dinoc)); |
1757 | *type = XR_INO_DIR; | |
2bd0ea18 | 1758 | if (!no_modify) { |
0459b626 BN |
1759 | do_warn(_("resetting to directory\n")); |
1760 | change_dinode_fmt(dinoc, S_IFDIR); | |
2bd0ea18 | 1761 | *dirty = 1; |
0459b626 BN |
1762 | } else |
1763 | do_warn(_("would reset to directory\n")); | |
2bd0ea18 | 1764 | } |
0459b626 | 1765 | return 0; |
2bd0ea18 | 1766 | } |
0459b626 | 1767 | if (lino == mp->m_sb.sb_uquotino) { |
5857dce9 | 1768 | if (*type != XR_INO_UQUOTA) { |
5d1b7f0f | 1769 | do_warn(_("user quota inode %" PRIu64 " has bad type 0x%x\n"), |
0459b626 BN |
1770 | lino, dinode_fmt(dinoc)); |
1771 | mp->m_sb.sb_uquotino = NULLFSINO; | |
1772 | return 1; | |
1773 | } | |
1774 | return 0; | |
1775 | } | |
1776 | if (lino == mp->m_sb.sb_gquotino) { | |
5857dce9 | 1777 | if (*type != XR_INO_GQUOTA) { |
5d1b7f0f | 1778 | do_warn(_("group quota inode %" PRIu64 " has bad type 0x%x\n"), |
0459b626 BN |
1779 | lino, dinode_fmt(dinoc)); |
1780 | mp->m_sb.sb_gquotino = NULLFSINO; | |
1781 | return 1; | |
1782 | } | |
1783 | return 0; | |
1784 | } | |
0340d706 | 1785 | if (lino == mp->m_sb.sb_pquotino) { |
5857dce9 | 1786 | if (*type != XR_INO_PQUOTA) { |
0340d706 CS |
1787 | do_warn(_("project quota inode %" PRIu64 " has bad type 0x%x\n"), |
1788 | lino, dinode_fmt(dinoc)); | |
1789 | mp->m_sb.sb_pquotino = NULLFSINO; | |
1790 | return 1; | |
1791 | } | |
1792 | return 0; | |
1793 | } | |
0459b626 BN |
1794 | if (lino == mp->m_sb.sb_rsumino) { |
1795 | if (*type != XR_INO_RTSUM) { | |
5d1b7f0f CH |
1796 | do_warn( |
1797 | _("realtime summary inode %" PRIu64 " has bad type 0x%x, "), | |
0459b626 | 1798 | lino, dinode_fmt(dinoc)); |
2bd0ea18 | 1799 | if (!no_modify) { |
0459b626 BN |
1800 | do_warn(_("resetting to regular file\n")); |
1801 | change_dinode_fmt(dinoc, S_IFREG); | |
2bd0ea18 | 1802 | *dirty = 1; |
2bd0ea18 | 1803 | } else { |
0459b626 | 1804 | do_warn(_("would reset to regular file\n")); |
2bd0ea18 | 1805 | } |
2bd0ea18 | 1806 | } |
0459b626 | 1807 | if (mp->m_sb.sb_rblocks == 0 && dinoc->di_nextents != 0) { |
5d1b7f0f CH |
1808 | do_warn( |
1809 | _("bad # of extents (%u) for realtime summary inode %" PRIu64 "\n"), | |
0459b626 BN |
1810 | be32_to_cpu(dinoc->di_nextents), lino); |
1811 | return 1; | |
1812 | } | |
1813 | return 0; | |
2bd0ea18 | 1814 | } |
0459b626 BN |
1815 | if (lino == mp->m_sb.sb_rbmino) { |
1816 | if (*type != XR_INO_RTBITMAP) { | |
5d1b7f0f CH |
1817 | do_warn( |
1818 | _("realtime bitmap inode %" PRIu64 " has bad type 0x%x, "), | |
0459b626 | 1819 | lino, dinode_fmt(dinoc)); |
2bd0ea18 | 1820 | if (!no_modify) { |
0459b626 BN |
1821 | do_warn(_("resetting to regular file\n")); |
1822 | change_dinode_fmt(dinoc, S_IFREG); | |
2bd0ea18 | 1823 | *dirty = 1; |
0459b626 BN |
1824 | } else { |
1825 | do_warn(_("would reset to regular file\n")); | |
2bd0ea18 | 1826 | } |
2bd0ea18 | 1827 | } |
0459b626 | 1828 | if (mp->m_sb.sb_rblocks == 0 && dinoc->di_nextents != 0) { |
5d1b7f0f CH |
1829 | do_warn( |
1830 | _("bad # of extents (%u) for realtime bitmap inode %" PRIu64 "\n"), | |
0459b626 BN |
1831 | be32_to_cpu(dinoc->di_nextents), lino); |
1832 | return 1; | |
2bd0ea18 | 1833 | } |
0459b626 BN |
1834 | return 0; |
1835 | } | |
1836 | return 0; | |
1837 | } | |
2bd0ea18 | 1838 | |
0459b626 BN |
1839 | /* |
1840 | * general size/consistency checks: | |
1841 | * | |
1842 | * if the size <= size of the data fork, directories must be | |
1843 | * local inodes unlike regular files which would be extent inodes. | |
1844 | * all the other mentioned types have to have a zero size value. | |
1845 | * | |
1846 | * if the size and format don't match, get out now rather than | |
1847 | * risk trying to process a non-existent extents or btree | |
1848 | * type data fork. | |
1849 | */ | |
1850 | static int | |
1851 | process_check_inode_sizes( | |
1852 | xfs_mount_t *mp, | |
1853 | xfs_dinode_t *dino, | |
1854 | xfs_ino_t lino, | |
1855 | int type) | |
1856 | { | |
56b2de80 | 1857 | xfs_fsize_t size = be64_to_cpu(dino->di_size); |
2bd0ea18 | 1858 | |
0459b626 | 1859 | switch (type) { |
2bd0ea18 | 1860 | |
0459b626 BN |
1861 | case XR_INO_DIR: |
1862 | if (size <= XFS_DFORK_DSIZE(dino, mp) && | |
56b2de80 | 1863 | dino->di_format != XFS_DINODE_FMT_LOCAL) { |
5d1b7f0f CH |
1864 | do_warn( |
1865 | _("mismatch between format (%d) and size (%" PRId64 ") in directory ino %" PRIu64 "\n"), | |
56b2de80 | 1866 | dino->di_format, size, lino); |
0459b626 | 1867 | return 1; |
2bd0ea18 | 1868 | } |
42237e34 | 1869 | if (size > XFS_DIR2_LEAF_OFFSET) { |
5d1b7f0f CH |
1870 | do_warn( |
1871 | _("directory inode %" PRIu64 " has bad size %" PRId64 "\n"), | |
42237e34 BN |
1872 | lino, size); |
1873 | return 1; | |
1874 | } | |
0459b626 | 1875 | break; |
2bd0ea18 | 1876 | |
0459b626 BN |
1877 | case XR_INO_SYMLINK: |
1878 | if (process_symlink_extlist(mp, lino, dino)) { | |
5d1b7f0f | 1879 | do_warn(_("bad data fork in symlink %" PRIu64 "\n"), lino); |
0459b626 BN |
1880 | return 1; |
1881 | } | |
1882 | break; | |
2bd0ea18 | 1883 | |
0459b626 BN |
1884 | case XR_INO_CHRDEV: /* fall through to FIFO case ... */ |
1885 | case XR_INO_BLKDEV: /* fall through to FIFO case ... */ | |
1886 | case XR_INO_SOCK: /* fall through to FIFO case ... */ | |
1887 | case XR_INO_MOUNTPOINT: /* fall through to FIFO case ... */ | |
1888 | case XR_INO_FIFO: | |
1889 | if (process_misc_ino_types(mp, dino, lino, type)) | |
1890 | return 1; | |
1891 | break; | |
2bd0ea18 | 1892 | |
5857dce9 ES |
1893 | case XR_INO_UQUOTA: |
1894 | case XR_INO_GQUOTA: | |
1895 | case XR_INO_PQUOTA: | |
1896 | /* Quota inodes have same restrictions as above types */ | |
1897 | if (process_misc_ino_types(mp, dino, lino, type)) | |
1898 | return 1; | |
1899 | break; | |
1900 | ||
0459b626 BN |
1901 | case XR_INO_RTDATA: |
1902 | /* | |
1903 | * if we have no realtime blocks, any inode claiming | |
1904 | * to be a real-time file is bogus | |
1905 | */ | |
1906 | if (mp->m_sb.sb_rblocks == 0) { | |
5d1b7f0f CH |
1907 | do_warn( |
1908 | _("found inode %" PRIu64 " claiming to be a real-time file\n"), lino); | |
0459b626 | 1909 | return 1; |
2bd0ea18 | 1910 | } |
0459b626 | 1911 | break; |
2bd0ea18 | 1912 | |
0459b626 | 1913 | case XR_INO_RTBITMAP: |
14f8b681 | 1914 | if (size != (int64_t)mp->m_sb.sb_rbmblocks * |
0459b626 | 1915 | mp->m_sb.sb_blocksize) { |
5d1b7f0f CH |
1916 | do_warn( |
1917 | _("realtime bitmap inode %" PRIu64 " has bad size %" PRId64 " (should be %" PRIu64 ")\n"), | |
1918 | lino, size, | |
14f8b681 | 1919 | (int64_t) mp->m_sb.sb_rbmblocks * |
0459b626 BN |
1920 | mp->m_sb.sb_blocksize); |
1921 | return 1; | |
1922 | } | |
1923 | break; | |
2bd0ea18 | 1924 | |
0459b626 BN |
1925 | case XR_INO_RTSUM: |
1926 | if (size != mp->m_rsumsize) { | |
5d1b7f0f CH |
1927 | do_warn( |
1928 | _("realtime summary inode %" PRIu64 " has bad size %" PRId64 " (should be %d)\n"), | |
0459b626 BN |
1929 | lino, size, mp->m_rsumsize); |
1930 | return 1; | |
1931 | } | |
1932 | break; | |
2bd0ea18 | 1933 | |
0459b626 BN |
1934 | default: |
1935 | break; | |
1936 | } | |
1937 | return 0; | |
1938 | } | |
2bd0ea18 | 1939 | |
0459b626 BN |
1940 | /* |
1941 | * check for illegal values of forkoff | |
1942 | */ | |
1943 | static int | |
1944 | process_check_inode_forkoff( | |
1945 | xfs_mount_t *mp, | |
56b2de80 | 1946 | xfs_dinode_t *dino, |
0459b626 BN |
1947 | xfs_ino_t lino) |
1948 | { | |
56b2de80 | 1949 | if (dino->di_forkoff == 0) |
0459b626 | 1950 | return 0; |
2bd0ea18 | 1951 | |
56b2de80 | 1952 | switch (dino->di_format) { |
0459b626 | 1953 | case XFS_DINODE_FMT_DEV: |
56b2de80 | 1954 | if (dino->di_forkoff != (roundup(sizeof(xfs_dev_t), 8) >> 3)) { |
5d1b7f0f CH |
1955 | do_warn( |
1956 | _("bad attr fork offset %d in dev inode %" PRIu64 ", should be %d\n"), | |
1957 | dino->di_forkoff, lino, | |
0459b626 BN |
1958 | (int)(roundup(sizeof(xfs_dev_t), 8) >> 3)); |
1959 | return 1; | |
1960 | } | |
2bd0ea18 | 1961 | break; |
0459b626 BN |
1962 | case XFS_DINODE_FMT_LOCAL: /* fall through ... */ |
1963 | case XFS_DINODE_FMT_EXTENTS: /* fall through ... */ | |
1964 | case XFS_DINODE_FMT_BTREE: | |
49f693fa DC |
1965 | if (dino->di_forkoff >= |
1966 | (XFS_LITINO(mp, dino->di_version) >> 3)) { | |
5d1b7f0f CH |
1967 | do_warn( |
1968 | _("bad attr fork offset %d in inode %" PRIu64 ", max=%d\n"), | |
1969 | dino->di_forkoff, lino, | |
49f693fa | 1970 | XFS_LITINO(mp, dino->di_version) >> 3); |
0459b626 BN |
1971 | return 1; |
1972 | } | |
2bd0ea18 | 1973 | break; |
2bd0ea18 | 1974 | default: |
56b2de80 | 1975 | do_error(_("unexpected inode format %d\n"), dino->di_format); |
0459b626 | 1976 | break; |
2bd0ea18 | 1977 | } |
0459b626 BN |
1978 | return 0; |
1979 | } | |
2bd0ea18 | 1980 | |
0459b626 BN |
1981 | /* |
1982 | * Updates the inodes block and extent counts if they are wrong | |
1983 | */ | |
1984 | static int | |
1985 | process_inode_blocks_and_extents( | |
56b2de80 | 1986 | xfs_dinode_t *dino, |
5a35bf2c | 1987 | xfs_rfsblock_t nblocks, |
14f8b681 DW |
1988 | uint64_t nextents, |
1989 | uint64_t anextents, | |
0459b626 BN |
1990 | xfs_ino_t lino, |
1991 | int *dirty) | |
1992 | { | |
56b2de80 | 1993 | if (nblocks != be64_to_cpu(dino->di_nblocks)) { |
2bd0ea18 | 1994 | if (!no_modify) { |
5d1b7f0f CH |
1995 | do_warn( |
1996 | _("correcting nblocks for inode %" PRIu64 ", was %llu - counted %" PRIu64 "\n"), lino, | |
1997 | (unsigned long long) be64_to_cpu(dino->di_nblocks), | |
1998 | nblocks); | |
56b2de80 | 1999 | dino->di_nblocks = cpu_to_be64(nblocks); |
0459b626 | 2000 | *dirty = 1; |
2bd0ea18 | 2001 | } else { |
5d1b7f0f CH |
2002 | do_warn( |
2003 | _("bad nblocks %llu for inode %" PRIu64 ", would reset to %" PRIu64 "\n"), | |
2004 | (unsigned long long) be64_to_cpu(dino->di_nblocks), | |
2005 | lino, nblocks); | |
2bd0ea18 NS |
2006 | } |
2007 | } | |
2008 | ||
0459b626 | 2009 | if (nextents > MAXEXTNUM) { |
5d1b7f0f CH |
2010 | do_warn( |
2011 | _("too many data fork extents (%" PRIu64 ") in inode %" PRIu64 "\n"), | |
0459b626 BN |
2012 | nextents, lino); |
2013 | return 1; | |
2014 | } | |
56b2de80 | 2015 | if (nextents != be32_to_cpu(dino->di_nextents)) { |
2bd0ea18 | 2016 | if (!no_modify) { |
5d1b7f0f CH |
2017 | do_warn( |
2018 | _("correcting nextents for inode %" PRIu64 ", was %d - counted %" PRIu64 "\n"), | |
2019 | lino, | |
2020 | be32_to_cpu(dino->di_nextents), | |
2021 | nextents); | |
56b2de80 | 2022 | dino->di_nextents = cpu_to_be32(nextents); |
0459b626 | 2023 | *dirty = 1; |
2bd0ea18 | 2024 | } else { |
5d1b7f0f CH |
2025 | do_warn( |
2026 | _("bad nextents %d for inode %" PRIu64 ", would reset to %" PRIu64 "\n"), | |
2027 | be32_to_cpu(dino->di_nextents), | |
0459b626 | 2028 | lino, nextents); |
2bd0ea18 NS |
2029 | } |
2030 | } | |
2031 | ||
0459b626 | 2032 | if (anextents > MAXAEXTNUM) { |
5d1b7f0f CH |
2033 | do_warn( |
2034 | _("too many attr fork extents (%" PRIu64 ") in inode %" PRIu64 "\n"), | |
0459b626 BN |
2035 | anextents, lino); |
2036 | return 1; | |
2bd0ea18 | 2037 | } |
56b2de80 | 2038 | if (anextents != be16_to_cpu(dino->di_anextents)) { |
2bd0ea18 | 2039 | if (!no_modify) { |
5d1b7f0f CH |
2040 | do_warn( |
2041 | _("correcting anextents for inode %" PRIu64 ", was %d - counted %" PRIu64 "\n"), | |
2042 | lino, | |
56b2de80 DC |
2043 | be16_to_cpu(dino->di_anextents), anextents); |
2044 | dino->di_anextents = cpu_to_be16(anextents); | |
0459b626 BN |
2045 | *dirty = 1; |
2046 | } else { | |
5d1b7f0f CH |
2047 | do_warn( |
2048 | _("bad anextents %d for inode %" PRIu64 ", would reset to %" PRIu64 "\n"), | |
2049 | be16_to_cpu(dino->di_anextents), | |
0459b626 | 2050 | lino, anextents); |
2bd0ea18 | 2051 | } |
2bd0ea18 | 2052 | } |
e1f43b4c CH |
2053 | |
2054 | /* | |
2055 | * We are comparing different units here, but that's fine given that | |
2056 | * an extent has to have at least a block in it. | |
2057 | */ | |
2058 | if (nblocks < nextents + anextents) { | |
2059 | do_warn( | |
2060 | _("nblocks (%" PRIu64 ") smaller than nextents for inode %" PRIu64 "\n"), nblocks, lino); | |
2061 | return 1; | |
2062 | } | |
2063 | ||
0459b626 BN |
2064 | return 0; |
2065 | } | |
2bd0ea18 | 2066 | |
0459b626 BN |
2067 | /* |
2068 | * check data fork -- if it's bad, clear the inode | |
2069 | */ | |
2070 | static int | |
2071 | process_inode_data_fork( | |
2072 | xfs_mount_t *mp, | |
2073 | xfs_agnumber_t agno, | |
2074 | xfs_agino_t ino, | |
2075 | xfs_dinode_t *dino, | |
2076 | int type, | |
2077 | int *dirty, | |
5a35bf2c | 2078 | xfs_rfsblock_t *totblocks, |
14f8b681 | 2079 | uint64_t *nextents, |
0459b626 BN |
2080 | blkmap_t **dblkmap, |
2081 | int check_dups) | |
2082 | { | |
0459b626 BN |
2083 | xfs_ino_t lino = XFS_AGINO_TO_INO(mp, agno, ino); |
2084 | int err = 0; | |
5fa28531 DC |
2085 | int nex; |
2086 | ||
2087 | /* | |
2088 | * extent count on disk is only valid for positive values. The kernel | |
2089 | * uses negative values in memory. hence if we see negative numbers | |
2090 | * here, trash it! | |
2091 | */ | |
2092 | nex = be32_to_cpu(dino->di_nextents); | |
2093 | if (nex < 0) | |
2094 | *nextents = 1; | |
2095 | else | |
2096 | *nextents = nex; | |
2bd0ea18 | 2097 | |
56b2de80 | 2098 | if (*nextents > be64_to_cpu(dino->di_nblocks)) |
0459b626 | 2099 | *nextents = 1; |
2bd0ea18 | 2100 | |
5fa28531 | 2101 | |
56b2de80 | 2102 | if (dino->di_format != XFS_DINODE_FMT_LOCAL && type != XR_INO_RTDATA) |
610f3285 | 2103 | *dblkmap = blkmap_alloc(*nextents, XFS_DATA_FORK); |
0459b626 | 2104 | *nextents = 0; |
2bd0ea18 | 2105 | |
56b2de80 | 2106 | switch (dino->di_format) { |
2bd0ea18 | 2107 | case XFS_DINODE_FMT_LOCAL: |
5e656dbb BN |
2108 | err = process_lclinode(mp, agno, ino, dino, XFS_DATA_FORK); |
2109 | *totblocks = 0; | |
2bd0ea18 NS |
2110 | break; |
2111 | case XFS_DINODE_FMT_EXTENTS: | |
0459b626 BN |
2112 | err = process_exinode(mp, agno, ino, dino, type, dirty, |
2113 | totblocks, nextents, dblkmap, XFS_DATA_FORK, | |
2114 | check_dups); | |
2bd0ea18 NS |
2115 | break; |
2116 | case XFS_DINODE_FMT_BTREE: | |
0459b626 BN |
2117 | err = process_btinode(mp, agno, ino, dino, type, dirty, |
2118 | totblocks, nextents, dblkmap, XFS_DATA_FORK, | |
2119 | check_dups); | |
2bd0ea18 NS |
2120 | break; |
2121 | case XFS_DINODE_FMT_DEV: /* fall through */ | |
2bd0ea18 NS |
2122 | err = 0; |
2123 | break; | |
2124 | default: | |
5d1b7f0f | 2125 | do_error(_("unknown format %d, ino %" PRIu64 " (mode = %d)\n"), |
56b2de80 | 2126 | dino->di_format, lino, be16_to_cpu(dino->di_mode)); |
2bd0ea18 NS |
2127 | } |
2128 | ||
2129 | if (err) { | |
5d1b7f0f | 2130 | do_warn(_("bad data fork in inode %" PRIu64 "\n"), lino); |
2bd0ea18 NS |
2131 | if (!no_modify) { |
2132 | *dirty += clear_dinode(mp, dino, lino); | |
2133 | ASSERT(*dirty > 0); | |
2134 | } | |
0459b626 | 2135 | return 1; |
2bd0ea18 NS |
2136 | } |
2137 | ||
2138 | if (check_dups) { | |
2139 | /* | |
2140 | * if check_dups was non-zero, we have to | |
2141 | * re-process data fork to set bitmap since the | |
2142 | * bitmap wasn't set the first time through | |
2143 | */ | |
56b2de80 | 2144 | switch (dino->di_format) { |
2bd0ea18 | 2145 | case XFS_DINODE_FMT_LOCAL: |
f8149110 | 2146 | err = process_lclinode(mp, agno, ino, dino, |
5e656dbb | 2147 | XFS_DATA_FORK); |
2bd0ea18 NS |
2148 | break; |
2149 | case XFS_DINODE_FMT_EXTENTS: | |
2150 | err = process_exinode(mp, agno, ino, dino, type, | |
0459b626 | 2151 | dirty, totblocks, nextents, dblkmap, |
2bd0ea18 NS |
2152 | XFS_DATA_FORK, 0); |
2153 | break; | |
2154 | case XFS_DINODE_FMT_BTREE: | |
2155 | err = process_btinode(mp, agno, ino, dino, type, | |
0459b626 | 2156 | dirty, totblocks, nextents, dblkmap, |
2bd0ea18 NS |
2157 | XFS_DATA_FORK, 0); |
2158 | break; | |
2159 | case XFS_DINODE_FMT_DEV: /* fall through */ | |
2bd0ea18 NS |
2160 | err = 0; |
2161 | break; | |
2162 | default: | |
5d1b7f0f | 2163 | do_error(_("unknown format %d, ino %" PRIu64 " (mode = %d)\n"), |
56b2de80 DC |
2164 | dino->di_format, lino, |
2165 | be16_to_cpu(dino->di_mode)); | |
2bd0ea18 NS |
2166 | } |
2167 | ||
0459b626 BN |
2168 | if (no_modify && err != 0) |
2169 | return 1; | |
2bd0ea18 NS |
2170 | |
2171 | ASSERT(err == 0); | |
2172 | } | |
0459b626 BN |
2173 | return 0; |
2174 | } | |
2bd0ea18 | 2175 | |
0459b626 BN |
2176 | /* |
2177 | * Process extended attribute fork in inode | |
2178 | */ | |
2179 | static int | |
2180 | process_inode_attr_fork( | |
2181 | xfs_mount_t *mp, | |
2182 | xfs_agnumber_t agno, | |
2183 | xfs_agino_t ino, | |
2184 | xfs_dinode_t *dino, | |
2185 | int type, | |
2186 | int *dirty, | |
5a35bf2c | 2187 | xfs_rfsblock_t *atotblocks, |
14f8b681 | 2188 | uint64_t *anextents, |
0459b626 BN |
2189 | int check_dups, |
2190 | int extra_attr_check, | |
2191 | int *retval) | |
2192 | { | |
0459b626 BN |
2193 | xfs_ino_t lino = XFS_AGINO_TO_INO(mp, agno, ino); |
2194 | blkmap_t *ablkmap = NULL; | |
2195 | int repair = 0; | |
2196 | int err; | |
2197 | ||
2198 | if (!XFS_DFORK_Q(dino)) { | |
2199 | *anextents = 0; | |
56b2de80 | 2200 | if (dino->di_aformat != XFS_DINODE_FMT_EXTENTS) { |
5d1b7f0f | 2201 | do_warn(_("bad attribute format %d in inode %" PRIu64 ", "), |
56b2de80 | 2202 | dino->di_aformat, lino); |
0459b626 BN |
2203 | if (!no_modify) { |
2204 | do_warn(_("resetting value\n")); | |
56b2de80 | 2205 | dino->di_aformat = XFS_DINODE_FMT_EXTENTS; |
0459b626 BN |
2206 | *dirty = 1; |
2207 | } else | |
2208 | do_warn(_("would reset value\n")); | |
2209 | } | |
2210 | return 0; | |
2211 | } | |
2bd0ea18 | 2212 | |
56b2de80 DC |
2213 | *anextents = be16_to_cpu(dino->di_anextents); |
2214 | if (*anextents > be64_to_cpu(dino->di_nblocks)) | |
0459b626 BN |
2215 | *anextents = 1; |
2216 | ||
56b2de80 | 2217 | switch (dino->di_aformat) { |
0459b626 BN |
2218 | case XFS_DINODE_FMT_LOCAL: |
2219 | *anextents = 0; | |
5e656dbb BN |
2220 | *atotblocks = 0; |
2221 | err = process_lclinode(mp, agno, ino, dino, XFS_ATTR_FORK); | |
0459b626 BN |
2222 | break; |
2223 | case XFS_DINODE_FMT_EXTENTS: | |
610f3285 | 2224 | ablkmap = blkmap_alloc(*anextents, XFS_ATTR_FORK); |
0459b626 BN |
2225 | *anextents = 0; |
2226 | err = process_exinode(mp, agno, ino, dino, type, dirty, | |
2227 | atotblocks, anextents, &ablkmap, | |
2bd0ea18 | 2228 | XFS_ATTR_FORK, check_dups); |
0459b626 BN |
2229 | break; |
2230 | case XFS_DINODE_FMT_BTREE: | |
610f3285 | 2231 | ablkmap = blkmap_alloc(*anextents, XFS_ATTR_FORK); |
0459b626 BN |
2232 | *anextents = 0; |
2233 | err = process_btinode(mp, agno, ino, dino, type, dirty, | |
2234 | atotblocks, anextents, &ablkmap, | |
2bd0ea18 | 2235 | XFS_ATTR_FORK, check_dups); |
0459b626 BN |
2236 | break; |
2237 | default: | |
5d1b7f0f | 2238 | do_warn(_("illegal attribute format %d, ino %" PRIu64 "\n"), |
56b2de80 | 2239 | dino->di_aformat, lino); |
0459b626 BN |
2240 | err = 1; |
2241 | break; | |
2242 | } | |
2bd0ea18 | 2243 | |
0459b626 BN |
2244 | if (err) { |
2245 | /* | |
2246 | * clear the attribute fork if necessary. we can't | |
2247 | * clear the inode because we've already put the | |
2248 | * inode space info into the blockmap. | |
2249 | * | |
2250 | * XXX - put the inode onto the "move it" list and | |
2251 | * log the the attribute scrubbing | |
2252 | */ | |
5d1b7f0f | 2253 | do_warn(_("bad attribute fork in inode %" PRIu64), lino); |
2bd0ea18 | 2254 | |
0459b626 | 2255 | if (!no_modify) { |
28a4f9c0 ES |
2256 | do_warn(_(", clearing attr fork\n")); |
2257 | *dirty += clear_dinode_attr(mp, dino, lino); | |
2258 | dino->di_aformat = XFS_DINODE_FMT_LOCAL; | |
0459b626 BN |
2259 | ASSERT(*dirty > 0); |
2260 | } else { | |
2261 | do_warn(_(", would clear attr fork\n")); | |
2bd0ea18 NS |
2262 | } |
2263 | ||
0459b626 BN |
2264 | *atotblocks = 0; |
2265 | *anextents = 0; | |
2bd0ea18 | 2266 | blkmap_free(ablkmap); |
0459b626 | 2267 | *retval = 1; |
2bd0ea18 | 2268 | |
28a4f9c0 | 2269 | return 0; |
2bd0ea18 NS |
2270 | } |
2271 | ||
0459b626 | 2272 | if (check_dups) { |
56b2de80 | 2273 | switch (dino->di_aformat) { |
0459b626 | 2274 | case XFS_DINODE_FMT_LOCAL: |
f8149110 | 2275 | err = process_lclinode(mp, agno, ino, dino, |
5e656dbb | 2276 | XFS_ATTR_FORK); |
0459b626 BN |
2277 | break; |
2278 | case XFS_DINODE_FMT_EXTENTS: | |
2279 | err = process_exinode(mp, agno, ino, dino, | |
2280 | type, dirty, atotblocks, anextents, | |
2281 | &ablkmap, XFS_ATTR_FORK, 0); | |
2282 | break; | |
2283 | case XFS_DINODE_FMT_BTREE: | |
2284 | err = process_btinode(mp, agno, ino, dino, | |
2285 | type, dirty, atotblocks, anextents, | |
2286 | &ablkmap, XFS_ATTR_FORK, 0); | |
2287 | break; | |
2288 | default: | |
5d1b7f0f | 2289 | do_error(_("illegal attribute fmt %d, ino %" PRIu64 "\n"), |
56b2de80 | 2290 | dino->di_aformat, lino); |
2bd0ea18 | 2291 | } |
2bd0ea18 | 2292 | |
0459b626 BN |
2293 | if (no_modify && err != 0) { |
2294 | blkmap_free(ablkmap); | |
2295 | return 1; | |
2bd0ea18 | 2296 | } |
2bd0ea18 | 2297 | |
0459b626 | 2298 | ASSERT(err == 0); |
2bd0ea18 NS |
2299 | } |
2300 | ||
0459b626 BN |
2301 | /* |
2302 | * do attribute semantic-based consistency checks now | |
2303 | */ | |
2bd0ea18 | 2304 | |
0459b626 BN |
2305 | /* get this only in phase 3, not in both phase 3 and 4 */ |
2306 | if (extra_attr_check && | |
2307 | process_attributes(mp, lino, dino, ablkmap, &repair)) { | |
5d1b7f0f CH |
2308 | do_warn( |
2309 | _("problem with attribute contents in inode %" PRIu64 "\n"), | |
0459b626 BN |
2310 | lino); |
2311 | if (!repair) { | |
2312 | /* clear attributes if not done already */ | |
2313 | if (!no_modify) { | |
2314 | *dirty += clear_dinode_attr(mp, dino, lino); | |
56b2de80 | 2315 | dino->di_aformat = XFS_DINODE_FMT_LOCAL; |
0459b626 BN |
2316 | } else { |
2317 | do_warn(_("would clear attr fork\n")); | |
2318 | } | |
2319 | *atotblocks = 0; | |
2320 | *anextents = 0; | |
2bd0ea18 | 2321 | } |
0459b626 BN |
2322 | else { |
2323 | *dirty = 1; /* it's been repaired */ | |
2bd0ea18 NS |
2324 | } |
2325 | } | |
0459b626 BN |
2326 | blkmap_free(ablkmap); |
2327 | return 0; | |
2328 | } | |
2bd0ea18 | 2329 | |
0459b626 BN |
2330 | /* |
2331 | * check nlinks feature, if it's a version 1 inode, | |
2332 | * just leave nlinks alone. even if it's set wrong, | |
2333 | * it'll be reset when read in. | |
2334 | */ | |
2bd0ea18 | 2335 | |
0459b626 BN |
2336 | static int |
2337 | process_check_inode_nlink_version( | |
56b2de80 | 2338 | xfs_dinode_t *dino, |
0459b626 BN |
2339 | xfs_ino_t lino) |
2340 | { | |
2341 | int dirty = 0; | |
2bd0ea18 | 2342 | |
2bd0ea18 | 2343 | /* |
5f6f3660 | 2344 | * if it's a version 2 inode, it should have a zero |
2bd0ea18 NS |
2345 | * onlink field, so clear it. |
2346 | */ | |
5f6f3660 | 2347 | if (dino->di_version > 1 && dino->di_onlink != 0) { |
0459b626 | 2348 | if (!no_modify) { |
5d1b7f0f CH |
2349 | do_warn( |
2350 | _("clearing obsolete nlink field in version 2 inode %" PRIu64 ", was %d, now 0\n"), | |
56b2de80 DC |
2351 | lino, be16_to_cpu(dino->di_onlink)); |
2352 | dino->di_onlink = 0; | |
0459b626 | 2353 | dirty = 1; |
2bd0ea18 | 2354 | } else { |
5d1b7f0f CH |
2355 | do_warn( |
2356 | _("would clear obsolete nlink field in version 2 inode %" PRIu64 ", currently %d\n"), | |
56b2de80 | 2357 | lino, be16_to_cpu(dino->di_onlink)); |
0459b626 BN |
2358 | } |
2359 | } | |
2360 | return dirty; | |
2361 | } | |
2362 | ||
8fec4f7c DW |
2363 | /* Check nanoseconds of a timestamp don't exceed 1 second. */ |
2364 | static void | |
2365 | check_nsec( | |
2366 | const char *name, | |
2367 | xfs_ino_t lino, | |
2368 | struct xfs_timestamp *t, | |
2369 | int *dirty) | |
2370 | { | |
2371 | if (be32_to_cpu(t->t_nsec) < 1000000000) | |
2372 | return; | |
2373 | ||
2374 | do_warn( | |
2375 | _("Bad %s nsec %u on inode %" PRIu64 ", "), name, be32_to_cpu(t->t_nsec), lino); | |
2376 | if (no_modify) { | |
2377 | do_warn(_("would reset to zero\n")); | |
2378 | } else { | |
2379 | do_warn(_("resetting to zero\n")); | |
2380 | t->t_nsec = 0; | |
2381 | *dirty = 1; | |
2382 | } | |
2383 | } | |
2384 | ||
0459b626 BN |
2385 | /* |
2386 | * returns 0 if the inode is ok, 1 if the inode is corrupt | |
2387 | * check_dups can be set to 1 *only* when called by the | |
2388 | * first pass of the duplicate block checking of phase 4. | |
2389 | * *dirty is set > 0 if the dinode has been altered and | |
2390 | * needs to be written out. | |
2391 | * | |
2392 | * for detailed, info, look at process_dinode() comments. | |
2393 | */ | |
8b8a6b02 | 2394 | static int |
0459b626 BN |
2395 | process_dinode_int(xfs_mount_t *mp, |
2396 | xfs_dinode_t *dino, | |
2397 | xfs_agnumber_t agno, | |
2398 | xfs_agino_t ino, | |
2399 | int was_free, /* 1 if inode is currently free */ | |
2400 | int *dirty, /* out == > 0 if inode is now dirty */ | |
2401 | int *used, /* out == 1 if inode is in use */ | |
2402 | int verify_mode, /* 1 == verify but don't modify inode */ | |
2403 | int uncertain, /* 1 == inode is uncertain */ | |
2404 | int ino_discovery, /* 1 == check dirs for unknown inodes */ | |
2405 | int check_dups, /* 1 == check if inode claims | |
2406 | * duplicate blocks */ | |
2407 | int extra_attr_check, /* 1 == do attribute format and value checks */ | |
2408 | int *isa_dir, /* out == 1 if inode is a directory */ | |
2409 | xfs_ino_t *parent) /* out -- parent if ino is a dir */ | |
2410 | { | |
5a35bf2c DC |
2411 | xfs_rfsblock_t totblocks = 0; |
2412 | xfs_rfsblock_t atotblocks = 0; | |
0459b626 BN |
2413 | int di_mode; |
2414 | int type; | |
2415 | int retval = 0; | |
14f8b681 DW |
2416 | uint64_t nextents; |
2417 | uint64_t anextents; | |
0459b626 BN |
2418 | xfs_ino_t lino; |
2419 | const int is_free = 0; | |
2420 | const int is_used = 1; | |
2421 | blkmap_t *dblkmap = NULL; | |
2422 | ||
2423 | *dirty = *isa_dir = 0; | |
2424 | *used = is_used; | |
2425 | type = XR_INO_UNKNOWN; | |
2426 | ||
0459b626 | 2427 | lino = XFS_AGINO_TO_INO(mp, agno, ino); |
56b2de80 | 2428 | di_mode = be16_to_cpu(dino->di_mode); |
0459b626 BN |
2429 | |
2430 | /* | |
2431 | * if in verify mode, don't modify the inode. | |
2432 | * | |
2433 | * if correcting, reset stuff that has known values | |
2434 | * | |
2435 | * if in uncertain mode, be silent on errors since we're | |
2436 | * trying to find out if these are inodes as opposed | |
2437 | * to assuming that they are. Just return the appropriate | |
2438 | * return code in that case. | |
2439 | * | |
2440 | * If uncertain is set, verify_mode MUST be set. | |
2441 | */ | |
2442 | ASSERT(uncertain == 0 || verify_mode != 0); | |
2443 | ||
7d7c5553 ES |
2444 | /* |
2445 | * This is the only valid point to check the CRC; after this we may have | |
2446 | * made changes which invalidate it, and the CRC is only updated again | |
2447 | * when it gets written out. | |
2448 | * | |
2449 | * Of course if we make any modifications after this, the inode gets | |
2450 | * rewritten, and the CRC is updated automagically. | |
2451 | */ | |
2452 | if (xfs_sb_version_hascrc(&mp->m_sb) && | |
e2f60652 | 2453 | !libxfs_verify_cksum((char *)dino, mp->m_sb.sb_inodesize, |
7d7c5553 ES |
2454 | XFS_DINODE_CRC_OFF)) { |
2455 | retval = 1; | |
2456 | if (!uncertain) | |
2457 | do_warn(_("bad CRC for inode %" PRIu64 "%c"), | |
2458 | lino, verify_mode ? '\n' : ','); | |
2459 | if (!verify_mode) { | |
2460 | if (!no_modify) { | |
2461 | do_warn(_(" will rewrite\n")); | |
2462 | *dirty = 1; | |
2463 | } else | |
2464 | do_warn(_(" would rewrite\n")); | |
2465 | } | |
2466 | } | |
2467 | ||
56b2de80 | 2468 | if (be16_to_cpu(dino->di_magic) != XFS_DINODE_MAGIC) { |
0459b626 BN |
2469 | retval = 1; |
2470 | if (!uncertain) | |
5d1b7f0f | 2471 | do_warn(_("bad magic number 0x%x on inode %" PRIu64 "%c"), |
56b2de80 | 2472 | be16_to_cpu(dino->di_magic), lino, |
0459b626 BN |
2473 | verify_mode ? '\n' : ','); |
2474 | if (!verify_mode) { | |
2475 | if (!no_modify) { | |
2476 | do_warn(_(" resetting magic number\n")); | |
56b2de80 | 2477 | dino->di_magic = cpu_to_be16(XFS_DINODE_MAGIC); |
0459b626 BN |
2478 | *dirty = 1; |
2479 | } else | |
2480 | do_warn(_(" would reset magic number\n")); | |
2481 | } | |
2482 | } | |
2483 | ||
e2f60652 | 2484 | if (!libxfs_dinode_good_version(mp, dino->di_version)) { |
0459b626 BN |
2485 | retval = 1; |
2486 | if (!uncertain) | |
5d1b7f0f | 2487 | do_warn(_("bad version number 0x%x on inode %" PRIu64 "%c"), |
56b2de80 | 2488 | (__s8)dino->di_version, lino, |
0459b626 BN |
2489 | verify_mode ? '\n' : ','); |
2490 | if (!verify_mode) { | |
2491 | if (!no_modify) { | |
2492 | do_warn(_(" resetting version number\n")); | |
e0607266 | 2493 | dino->di_version = |
5f6f3660 | 2494 | xfs_sb_version_hascrc(&mp->m_sb) ? 3 : 2; |
0459b626 BN |
2495 | *dirty = 1; |
2496 | } else | |
2497 | do_warn(_(" would reset version number\n")); | |
2498 | } | |
2499 | } | |
2500 | ||
e0607266 DC |
2501 | /* |
2502 | * We don't bother checking the CRC here - we cannot guarantee that when | |
2503 | * we are called here that the inode has not already been modified in | |
2504 | * memory and hence invalidated the CRC. | |
2505 | */ | |
2506 | if (xfs_sb_version_hascrc(&mp->m_sb)) { | |
2507 | if (be64_to_cpu(dino->di_ino) != lino) { | |
2508 | if (!uncertain) | |
2509 | do_warn( | |
2510 | _("inode identifier %llu mismatch on inode %" PRIu64 "\n"), | |
51073f86 DW |
2511 | (unsigned long long)be64_to_cpu(dino->di_ino), |
2512 | lino); | |
e0607266 DC |
2513 | if (verify_mode) |
2514 | return 1; | |
2515 | goto clear_bad_out; | |
2516 | } | |
9c4e12fb ES |
2517 | if (platform_uuid_compare(&dino->di_uuid, |
2518 | &mp->m_sb.sb_meta_uuid)) { | |
e0607266 DC |
2519 | if (!uncertain) |
2520 | do_warn( | |
2521 | _("UUID mismatch on inode %" PRIu64 "\n"), lino); | |
2522 | if (verify_mode) | |
2523 | return 1; | |
2524 | goto clear_bad_out; | |
2525 | } | |
2526 | } | |
2527 | ||
0459b626 BN |
2528 | /* |
2529 | * blow out of here if the inode size is < 0 | |
2530 | */ | |
56b2de80 | 2531 | if ((xfs_fsize_t)be64_to_cpu(dino->di_size) < 0) { |
0459b626 | 2532 | if (!uncertain) |
5d1b7f0f CH |
2533 | do_warn( |
2534 | _("bad (negative) size %" PRId64 " on inode %" PRIu64 "\n"), | |
14f8b681 | 2535 | (int64_t)be64_to_cpu(dino->di_size), |
5d1b7f0f | 2536 | lino); |
0459b626 BN |
2537 | if (verify_mode) |
2538 | return 1; | |
2539 | goto clear_bad_out; | |
2540 | } | |
2541 | ||
2542 | /* | |
2543 | * if not in verify mode, check to sii if the inode and imap | |
2544 | * agree that the inode is free | |
2545 | */ | |
2546 | if (!verify_mode && di_mode == 0) { | |
2547 | /* | |
2548 | * was_free value is not meaningful if we're in verify mode | |
2549 | */ | |
2550 | if (was_free) { | |
2551 | /* | |
2552 | * easy case, inode free -- inode and map agree, clear | |
2553 | * it just in case to ensure that format, etc. are | |
2554 | * set correctly | |
2555 | */ | |
2556 | if (!no_modify) | |
2557 | *dirty += clear_dinode(mp, dino, lino); | |
2558 | *used = is_free; | |
2559 | return 0; | |
2560 | } | |
2561 | /* | |
2562 | * the inode looks free but the map says it's in use. | |
2563 | * clear the inode just to be safe and mark the inode | |
2564 | * free. | |
2565 | */ | |
5d1b7f0f CH |
2566 | do_warn( |
2567 | _("imap claims a free inode %" PRIu64 " is in use, "), lino); | |
0459b626 BN |
2568 | if (!no_modify) { |
2569 | do_warn(_("correcting imap and clearing inode\n")); | |
2570 | *dirty += clear_dinode(mp, dino, lino); | |
2571 | retval = 1; | |
2572 | } else | |
2573 | do_warn(_("would correct imap and clear inode\n")); | |
2574 | *used = is_free; | |
2575 | return retval; | |
2576 | } | |
2577 | ||
2578 | /* | |
2579 | * because of the lack of any write ordering guarantee, it's | |
2580 | * possible that the core got updated but the forks didn't. | |
2581 | * so rather than be ambitious (and probably incorrect), | |
2582 | * if there's an inconsistency, we get conservative and | |
2583 | * just pitch the file. blow off checking formats of | |
2584 | * free inodes since technically any format is legal | |
2585 | * as we reset the inode when we re-use it. | |
2586 | */ | |
56b2de80 | 2587 | if (di_mode != 0 && check_dinode_mode_format(dino) != 0) { |
0459b626 | 2588 | if (!uncertain) |
5d1b7f0f CH |
2589 | do_warn( |
2590 | _("bad inode format in inode %" PRIu64 "\n"), lino); | |
0459b626 BN |
2591 | if (verify_mode) |
2592 | return 1; | |
2593 | goto clear_bad_out; | |
2594 | } | |
2595 | ||
bd5683fe DC |
2596 | /* |
2597 | * check that we only have valid flags set, and those that are set make | |
2598 | * sense. | |
2599 | */ | |
56b2de80 DC |
2600 | if (dino->di_flags) { |
2601 | uint16_t flags = be16_to_cpu(dino->di_flags); | |
bd5683fe DC |
2602 | |
2603 | if (flags & ~XFS_DIFLAG_ANY) { | |
c98f31a5 CH |
2604 | if (!uncertain) { |
2605 | do_warn( | |
2606 | _("Bad flags set in inode %" PRIu64 "\n"), | |
2607 | lino); | |
2608 | } | |
5cd0710a | 2609 | flags &= XFS_DIFLAG_ANY; |
bd5683fe DC |
2610 | } |
2611 | ||
2612 | if (flags & (XFS_DIFLAG_REALTIME | XFS_DIFLAG_RTINHERIT)) { | |
2613 | /* need an rt-dev! */ | |
2614 | if (!rt_name) { | |
c98f31a5 CH |
2615 | if (!uncertain) { |
2616 | do_warn( | |
2617 | _("inode %" PRIu64 " has RT flag set but there is no RT device\n"), | |
2618 | lino); | |
2619 | } | |
bd5683fe DC |
2620 | flags &= ~(XFS_DIFLAG_REALTIME | |
2621 | XFS_DIFLAG_RTINHERIT); | |
2622 | } | |
2623 | } | |
fb380cb7 | 2624 | if (flags & XFS_DIFLAG_NEWRTBM) { |
bd5683fe DC |
2625 | /* must be a rt bitmap inode */ |
2626 | if (lino != mp->m_sb.sb_rbmino) { | |
c98f31a5 CH |
2627 | if (!uncertain) { |
2628 | do_warn( | |
2629 | _("inode %" PRIu64 " not rt bitmap\n"), | |
2630 | lino); | |
2631 | } | |
fb380cb7 | 2632 | flags &= ~XFS_DIFLAG_NEWRTBM; |
bd5683fe DC |
2633 | } |
2634 | } | |
2635 | if (flags & (XFS_DIFLAG_RTINHERIT | | |
2636 | XFS_DIFLAG_EXTSZINHERIT | | |
2637 | XFS_DIFLAG_PROJINHERIT | | |
2638 | XFS_DIFLAG_NOSYMLINKS)) { | |
2639 | /* must be a directory */ | |
2640 | if (di_mode && !S_ISDIR(di_mode)) { | |
c98f31a5 CH |
2641 | if (!uncertain) { |
2642 | do_warn( | |
2643 | _("directory flags set on non-directory inode %" PRIu64 "\n" ), | |
2644 | lino); | |
2645 | } | |
bd5683fe DC |
2646 | flags &= ~(XFS_DIFLAG_RTINHERIT | |
2647 | XFS_DIFLAG_EXTSZINHERIT | | |
2648 | XFS_DIFLAG_PROJINHERIT | | |
2649 | XFS_DIFLAG_NOSYMLINKS); | |
2650 | } | |
2651 | } | |
83f4b5ac | 2652 | if (flags & (XFS_DIFLAG_REALTIME | FS_XFLAG_EXTSIZE)) { |
bd5683fe DC |
2653 | /* must be a file */ |
2654 | if (di_mode && !S_ISREG(di_mode)) { | |
c98f31a5 CH |
2655 | if (!uncertain) { |
2656 | do_warn( | |
2657 | _("file flags set on non-file inode %" PRIu64 "\n"), | |
2658 | lino); | |
2659 | } | |
bd5683fe | 2660 | flags &= ~(XFS_DIFLAG_REALTIME | |
83f4b5ac | 2661 | FS_XFLAG_EXTSIZE); |
bd5683fe DC |
2662 | } |
2663 | } | |
56b2de80 | 2664 | if (!verify_mode && flags != be16_to_cpu(dino->di_flags)) { |
bd5683fe | 2665 | if (!no_modify) { |
5cd0710a | 2666 | do_warn(_("fixing bad flags.\n")); |
56b2de80 | 2667 | dino->di_flags = cpu_to_be16(flags); |
bd5683fe DC |
2668 | *dirty = 1; |
2669 | } else | |
5cd0710a | 2670 | do_warn(_("would fix bad flags.\n")); |
bd5683fe DC |
2671 | } |
2672 | } | |
2673 | ||
a406779b DW |
2674 | /* |
2675 | * check that we only have valid flags2 set, and those that are set make | |
2676 | * sense. | |
2677 | */ | |
2678 | if (dino->di_version >= 3) { | |
2679 | uint16_t flags = be16_to_cpu(dino->di_flags); | |
2680 | uint64_t flags2 = be64_to_cpu(dino->di_flags2); | |
2681 | ||
2682 | if (flags2 & ~XFS_DIFLAG2_ANY) { | |
2683 | if (!uncertain) { | |
2684 | do_warn( | |
2685 | _("Bad flags2 set in inode %" PRIu64 "\n"), | |
2686 | lino); | |
2687 | } | |
2688 | flags2 &= XFS_DIFLAG2_ANY; | |
2689 | } | |
2690 | ||
c1604fa4 DW |
2691 | if (flags2 & XFS_DIFLAG2_DAX) { |
2692 | /* must be a file or dir */ | |
2693 | if (di_mode && !(S_ISREG(di_mode) || S_ISDIR(di_mode))) { | |
2694 | if (!uncertain) { | |
2695 | do_warn( | |
2696 | _("DAX flag set on special inode %" PRIu64 "\n"), | |
2697 | lino); | |
2698 | } | |
2699 | flags2 &= ~XFS_DIFLAG2_DAX; | |
2700 | } | |
2701 | } | |
2702 | ||
a406779b DW |
2703 | if ((flags2 & XFS_DIFLAG2_REFLINK) && |
2704 | !xfs_sb_version_hasreflink(&mp->m_sb)) { | |
2705 | if (!uncertain) { | |
2706 | do_warn( | |
2707 | _("inode %" PRIu64 " is marked reflinked but file system does not support reflink\n"), | |
2708 | lino); | |
2709 | } | |
2710 | goto clear_bad_out; | |
2711 | } | |
2712 | ||
2713 | if (flags2 & XFS_DIFLAG2_REFLINK) { | |
2714 | /* must be a file */ | |
2715 | if (di_mode && !S_ISREG(di_mode)) { | |
2716 | if (!uncertain) { | |
2717 | do_warn( | |
2718 | _("reflink flag set on non-file inode %" PRIu64 "\n"), | |
2719 | lino); | |
2720 | } | |
2721 | goto clear_bad_out; | |
2722 | } | |
2723 | } | |
2724 | ||
2725 | if ((flags2 & XFS_DIFLAG2_REFLINK) && | |
2726 | (flags & (XFS_DIFLAG_REALTIME | XFS_DIFLAG_RTINHERIT))) { | |
2727 | if (!uncertain) { | |
2728 | do_warn( | |
2729 | _("Cannot have a reflinked realtime inode %" PRIu64 "\n"), | |
2730 | lino); | |
2731 | } | |
2732 | goto clear_bad_out; | |
2733 | } | |
2734 | ||
42627ba6 DW |
2735 | if ((flags2 & XFS_DIFLAG2_COWEXTSIZE) && |
2736 | !xfs_sb_version_hasreflink(&mp->m_sb)) { | |
2737 | if (!uncertain) { | |
2738 | do_warn( | |
2739 | _("inode %" PRIu64 " has CoW extent size hint but file system does not support reflink\n"), | |
2740 | lino); | |
2741 | } | |
2742 | flags2 &= ~XFS_DIFLAG2_COWEXTSIZE; | |
2743 | } | |
2744 | ||
2745 | if (flags2 & XFS_DIFLAG2_COWEXTSIZE) { | |
2746 | /* must be a directory or file */ | |
2747 | if (di_mode && !S_ISDIR(di_mode) && !S_ISREG(di_mode)) { | |
2748 | if (!uncertain) { | |
2749 | do_warn( | |
2750 | _("CoW extent size flag set on non-file, non-directory inode %" PRIu64 "\n" ), | |
2751 | lino); | |
2752 | } | |
2753 | flags2 &= ~XFS_DIFLAG2_COWEXTSIZE; | |
2754 | } | |
2755 | } | |
2756 | ||
2757 | if ((flags2 & XFS_DIFLAG2_COWEXTSIZE) && | |
2758 | (flags & (XFS_DIFLAG_REALTIME | XFS_DIFLAG_RTINHERIT))) { | |
2759 | if (!uncertain) { | |
2760 | do_warn( | |
2761 | _("Cannot have CoW extent size hint on a realtime inode %" PRIu64 "\n"), | |
2762 | lino); | |
2763 | } | |
2764 | flags2 &= ~XFS_DIFLAG2_COWEXTSIZE; | |
2765 | } | |
2766 | ||
a406779b DW |
2767 | if (!verify_mode && flags2 != be64_to_cpu(dino->di_flags2)) { |
2768 | if (!no_modify) { | |
2769 | do_warn(_("fixing bad flags2.\n")); | |
2770 | dino->di_flags2 = cpu_to_be64(flags2); | |
2771 | *dirty = 1; | |
2772 | } else | |
2773 | do_warn(_("would fix bad flags2.\n")); | |
2774 | } | |
2775 | } | |
2776 | ||
0459b626 BN |
2777 | if (verify_mode) |
2778 | return retval; | |
2779 | ||
2780 | /* | |
2781 | * clear the next unlinked field if necessary on a good | |
2782 | * inode only during phase 4 -- when checking for inodes | |
2783 | * referencing duplicate blocks. then it's safe because | |
2784 | * we've done the inode discovery and have found all the inodes | |
2785 | * we're going to find. check_dups is set to 1 only during | |
2786 | * phase 4. Ugly. | |
2787 | */ | |
2788 | if (check_dups && !no_modify) | |
2789 | *dirty += clear_dinode_unlinked(mp, dino); | |
2790 | ||
2791 | /* set type and map type info */ | |
2792 | ||
2793 | switch (di_mode & S_IFMT) { | |
2794 | case S_IFDIR: | |
2795 | type = XR_INO_DIR; | |
2796 | *isa_dir = 1; | |
2797 | break; | |
2798 | case S_IFREG: | |
56b2de80 | 2799 | if (be16_to_cpu(dino->di_flags) & XFS_DIFLAG_REALTIME) |
0459b626 BN |
2800 | type = XR_INO_RTDATA; |
2801 | else if (lino == mp->m_sb.sb_rbmino) | |
2802 | type = XR_INO_RTBITMAP; | |
2803 | else if (lino == mp->m_sb.sb_rsumino) | |
2804 | type = XR_INO_RTSUM; | |
5857dce9 ES |
2805 | else if (lino == mp->m_sb.sb_uquotino) |
2806 | type = XR_INO_UQUOTA; | |
2807 | else if (lino == mp->m_sb.sb_gquotino) | |
2808 | type = XR_INO_GQUOTA; | |
2809 | else if (lino == mp->m_sb.sb_pquotino) | |
2810 | type = XR_INO_PQUOTA; | |
0459b626 BN |
2811 | else |
2812 | type = XR_INO_DATA; | |
2813 | break; | |
2814 | case S_IFLNK: | |
2815 | type = XR_INO_SYMLINK; | |
2816 | break; | |
2817 | case S_IFCHR: | |
2818 | type = XR_INO_CHRDEV; | |
2819 | break; | |
2820 | case S_IFBLK: | |
2821 | type = XR_INO_BLKDEV; | |
2822 | break; | |
2823 | case S_IFSOCK: | |
2824 | type = XR_INO_SOCK; | |
2825 | break; | |
2826 | case S_IFIFO: | |
2827 | type = XR_INO_FIFO; | |
2828 | break; | |
2829 | default: | |
5d1b7f0f | 2830 | do_warn(_("bad inode type %#o inode %" PRIu64 "\n"), |
0459b626 BN |
2831 | di_mode & S_IFMT, lino); |
2832 | goto clear_bad_out; | |
2833 | } | |
2834 | ||
2835 | /* | |
2836 | * type checks for superblock inodes | |
2837 | */ | |
56b2de80 | 2838 | if (process_check_sb_inodes(mp, dino, lino, &type, dirty) != 0) |
0459b626 BN |
2839 | goto clear_bad_out; |
2840 | ||
2841 | /* | |
2842 | * only regular files with REALTIME or EXTSIZE flags set can have | |
2843 | * extsize set, or directories with EXTSZINHERIT. | |
2844 | */ | |
56b2de80 | 2845 | if (be32_to_cpu(dino->di_extsize) != 0) { |
0459b626 | 2846 | if ((type == XR_INO_RTDATA) || |
56b2de80 | 2847 | (type == XR_INO_DIR && (be16_to_cpu(dino->di_flags) & |
0459b626 | 2848 | XFS_DIFLAG_EXTSZINHERIT)) || |
56b2de80 | 2849 | (type == XR_INO_DATA && (be16_to_cpu(dino->di_flags) & |
0459b626 BN |
2850 | XFS_DIFLAG_EXTSIZE))) { |
2851 | /* s'okay */ ; | |
2852 | } else { | |
5d1b7f0f CH |
2853 | do_warn( |
2854 | _("bad non-zero extent size %u for non-realtime/extsize inode %" PRIu64 ", "), | |
56b2de80 | 2855 | be32_to_cpu(dino->di_extsize), lino); |
0459b626 BN |
2856 | if (!no_modify) { |
2857 | do_warn(_("resetting to zero\n")); | |
56b2de80 | 2858 | dino->di_extsize = 0; |
0459b626 BN |
2859 | *dirty = 1; |
2860 | } else | |
2861 | do_warn(_("would reset to zero\n")); | |
2862 | } | |
2863 | } | |
2864 | ||
42627ba6 DW |
2865 | /* |
2866 | * Only (regular files and directories) with COWEXTSIZE flags | |
2867 | * set can have extsize set. | |
2868 | */ | |
2869 | if (dino->di_version >= 3 && | |
2870 | be32_to_cpu(dino->di_cowextsize) != 0) { | |
2871 | if ((type == XR_INO_DIR || type == XR_INO_DATA) && | |
2872 | (be64_to_cpu(dino->di_flags2) & | |
2873 | XFS_DIFLAG2_COWEXTSIZE)) { | |
2874 | /* s'okay */ ; | |
2875 | } else { | |
2876 | do_warn( | |
2877 | _("Cannot have non-zero CoW extent size %u on non-cowextsize inode %" PRIu64 ", "), | |
2878 | be32_to_cpu(dino->di_cowextsize), lino); | |
2879 | if (!no_modify) { | |
2880 | do_warn(_("resetting to zero\n")); | |
1c744e94 | 2881 | dino->di_flags2 &= ~cpu_to_be64(XFS_DIFLAG2_COWEXTSIZE); |
42627ba6 DW |
2882 | dino->di_cowextsize = 0; |
2883 | *dirty = 1; | |
2884 | } else | |
2885 | do_warn(_("would reset to zero\n")); | |
2886 | } | |
2887 | } | |
2888 | ||
1c744e94 DW |
2889 | /* |
2890 | * Can't have the COWEXTSIZE flag set with no hint. | |
2891 | */ | |
2892 | if (dino->di_version >= 3 && | |
2893 | be32_to_cpu(dino->di_cowextsize) == 0 && | |
2894 | (be64_to_cpu(dino->di_flags2) & XFS_DIFLAG2_COWEXTSIZE)) { | |
2895 | do_warn( | |
2896 | _("Cannot have CoW extent size of zero on cowextsize inode %" PRIu64 ", "), | |
2897 | lino); | |
2898 | if (!no_modify) { | |
2899 | do_warn(_("clearing cowextsize flag\n")); | |
2900 | dino->di_flags2 &= ~cpu_to_be64(XFS_DIFLAG2_COWEXTSIZE); | |
2901 | *dirty = 1; | |
2902 | } else { | |
2903 | do_warn(_("would clear cowextsize flag\n")); | |
2904 | } | |
2905 | } | |
2906 | ||
8fec4f7c DW |
2907 | /* nsec fields cannot be larger than 1 billion */ |
2908 | check_nsec("atime", lino, &dino->di_atime, dirty); | |
2909 | check_nsec("mtime", lino, &dino->di_mtime, dirty); | |
2910 | check_nsec("ctime", lino, &dino->di_ctime, dirty); | |
2911 | if (dino->di_version >= 3) | |
2912 | check_nsec("crtime", lino, &dino->di_crtime, dirty); | |
2913 | ||
0459b626 BN |
2914 | /* |
2915 | * general size/consistency checks: | |
2916 | */ | |
2917 | if (process_check_inode_sizes(mp, dino, lino, type) != 0) | |
2918 | goto clear_bad_out; | |
2919 | ||
2920 | /* | |
2921 | * check for illegal values of forkoff | |
2922 | */ | |
56b2de80 | 2923 | if (process_check_inode_forkoff(mp, dino, lino) != 0) |
0459b626 BN |
2924 | goto clear_bad_out; |
2925 | ||
7e174ec7 DW |
2926 | /* |
2927 | * record the state of the reflink flag | |
2928 | */ | |
2929 | if (collect_rmaps) | |
2930 | record_inode_reflink_flag(mp, dino, agno, ino, lino); | |
2931 | ||
0459b626 BN |
2932 | /* |
2933 | * check data fork -- if it's bad, clear the inode | |
2934 | */ | |
2935 | if (process_inode_data_fork(mp, agno, ino, dino, type, dirty, | |
2936 | &totblocks, &nextents, &dblkmap, check_dups) != 0) | |
2937 | goto bad_out; | |
2938 | ||
2939 | /* | |
2940 | * check attribute fork if necessary. attributes are | |
2941 | * always stored in the regular filesystem. | |
2942 | */ | |
2943 | if (process_inode_attr_fork(mp, agno, ino, dino, type, dirty, | |
2944 | &atotblocks, &anextents, check_dups, extra_attr_check, | |
2945 | &retval)) | |
2946 | goto bad_out; | |
2947 | ||
2948 | /* | |
2949 | * enforce totblocks is 0 for misc types | |
2950 | */ | |
2951 | if (process_misc_ino_types_blocks(totblocks, lino, type)) | |
2952 | goto clear_bad_out; | |
2953 | ||
2954 | /* | |
2955 | * correct space counters if required | |
2956 | */ | |
56b2de80 | 2957 | if (process_inode_blocks_and_extents(dino, totblocks + atotblocks, |
0459b626 BN |
2958 | nextents, anextents, lino, dirty) != 0) |
2959 | goto clear_bad_out; | |
2960 | ||
2961 | /* | |
2962 | * do any semantic type-based checking here | |
2963 | */ | |
2964 | switch (type) { | |
2965 | case XR_INO_DIR: | |
9a048535 | 2966 | if (process_dir2(mp, lino, dino, ino_discovery, |
0459b626 | 2967 | dirty, "", parent, dblkmap)) { |
5d1b7f0f CH |
2968 | do_warn( |
2969 | _("problem with directory contents in inode %" PRIu64 "\n"), | |
2970 | lino); | |
0459b626 BN |
2971 | goto clear_bad_out; |
2972 | } | |
2973 | break; | |
2974 | case XR_INO_SYMLINK: | |
2975 | if (process_symlink(mp, lino, dino, dblkmap) != 0) { | |
5d1b7f0f CH |
2976 | do_warn( |
2977 | _("problem with symbolic link in inode %" PRIu64 "\n"), | |
0459b626 BN |
2978 | lino); |
2979 | goto clear_bad_out; | |
2bd0ea18 | 2980 | } |
0459b626 | 2981 | break; |
5857dce9 ES |
2982 | case XR_INO_UQUOTA: |
2983 | case XR_INO_GQUOTA: | |
2984 | case XR_INO_PQUOTA: | |
2985 | if (process_quota_inode(mp, lino, dino, type, dblkmap) != 0) { | |
2986 | do_warn( | |
2987 | _("problem with quota inode %" PRIu64 "\n"), lino); | |
2988 | goto clear_bad_out; | |
2989 | } | |
2990 | break; | |
0459b626 BN |
2991 | default: |
2992 | break; | |
2bd0ea18 NS |
2993 | } |
2994 | ||
55d35a39 | 2995 | blkmap_free(dblkmap); |
0459b626 BN |
2996 | |
2997 | /* | |
2998 | * check nlinks feature, if it's a version 1 inode, | |
2999 | * just leave nlinks alone. even if it's set wrong, | |
3000 | * it'll be reset when read in. | |
3001 | */ | |
56b2de80 | 3002 | *dirty += process_check_inode_nlink_version(dino, lino); |
0459b626 BN |
3003 | |
3004 | return retval; | |
3005 | ||
3006 | clear_bad_out: | |
3007 | if (!no_modify) { | |
3008 | *dirty += clear_dinode(mp, dino, lino); | |
3009 | ASSERT(*dirty > 0); | |
3010 | } | |
3011 | bad_out: | |
3012 | *used = is_free; | |
3013 | *isa_dir = 0; | |
55d35a39 | 3014 | blkmap_free(dblkmap); |
0459b626 | 3015 | return 1; |
2bd0ea18 NS |
3016 | } |
3017 | ||
3018 | /* | |
3019 | * returns 1 if inode is used, 0 if free. | |
3020 | * performs any necessary salvaging actions. | |
3021 | * note that we leave the generation count alone | |
3022 | * because nothing we could set it to would be | |
3023 | * guaranteed to be correct so the best guess for | |
3024 | * the correct value is just to leave it alone. | |
3025 | * | |
3026 | * The trick is detecting empty files. For those, | |
3027 | * the core and the forks should all be in the "empty" | |
3028 | * or zero-length state -- a zero or possibly minimum length | |
3029 | * (in the case of dirs) extent list -- although inline directories | |
3030 | * and symlinks might be handled differently. So it should be | |
3031 | * possible to sanity check them against each other. | |
3032 | * | |
3033 | * If the forks are an empty extent list though, then forget it. | |
3034 | * The file is toast anyway since we can't recover its storage. | |
3035 | * | |
3036 | * Parameters: | |
3037 | * Ins: | |
3038 | * mp -- mount structure | |
3039 | * dino -- pointer to on-disk inode structure | |
3040 | * agno/ino -- inode numbers | |
3041 | * free -- whether the map thinks the inode is free (1 == free) | |
3042 | * ino_discovery -- whether we should examine directory | |
3043 | * contents to discover new inodes | |
3044 | * check_dups -- whether we should check to see if the | |
3045 | * inode references duplicate blocks | |
3046 | * if so, we compare the inode's claimed | |
3047 | * blocks against the contents of the | |
3048 | * duplicate extent list but we don't | |
3049 | * set the bitmap. If not, we set the | |
3050 | * bitmap and try and detect multiply | |
3051 | * claimed blocks using the bitmap. | |
3052 | * Outs: | |
3053 | * dirty -- whether we changed the inode (1 == yes) | |
2bd0ea18 NS |
3054 | * used -- 1 if the inode is used, 0 if free. In no modify |
3055 | * mode, whether the inode should be used or free | |
3056 | * isa_dir -- 1 if the inode is a directory, 0 if not. In | |
3057 | * no modify mode, if the inode would be a dir or not. | |
3058 | * | |
3059 | * Return value -- 0 if the inode is good, 1 if it is/was corrupt | |
3060 | */ | |
3061 | ||
3062 | int | |
0459b626 BN |
3063 | process_dinode( |
3064 | xfs_mount_t *mp, | |
3065 | xfs_dinode_t *dino, | |
3066 | xfs_agnumber_t agno, | |
3067 | xfs_agino_t ino, | |
3068 | int was_free, | |
3069 | int *dirty, | |
3070 | int *used, | |
3071 | int ino_discovery, | |
3072 | int check_dups, | |
3073 | int extra_attr_check, | |
3074 | int *isa_dir, | |
3075 | xfs_ino_t *parent) | |
2bd0ea18 | 3076 | { |
0459b626 BN |
3077 | const int verify_mode = 0; |
3078 | const int uncertain = 0; | |
2bd0ea18 NS |
3079 | |
3080 | #ifdef XR_INODE_TRACE | |
9ee7055c | 3081 | fprintf(stderr, _("processing inode %d/%d\n"), agno, ino); |
2bd0ea18 | 3082 | #endif |
0459b626 BN |
3083 | return process_dinode_int(mp, dino, agno, ino, was_free, dirty, used, |
3084 | verify_mode, uncertain, ino_discovery, | |
3085 | check_dups, extra_attr_check, isa_dir, parent); | |
2bd0ea18 NS |
3086 | } |
3087 | ||
3088 | /* | |
3089 | * a more cursory check, check inode core, *DON'T* check forks | |
3090 | * this basically just verifies whether the inode is an inode | |
3091 | * and whether or not it has been totally trashed. returns 0 | |
3092 | * if the inode passes the cursory sanity check, 1 otherwise. | |
3093 | */ | |
3094 | int | |
0459b626 BN |
3095 | verify_dinode( |
3096 | xfs_mount_t *mp, | |
3097 | xfs_dinode_t *dino, | |
3098 | xfs_agnumber_t agno, | |
3099 | xfs_agino_t ino) | |
2bd0ea18 | 3100 | { |
0459b626 BN |
3101 | xfs_ino_t parent; |
3102 | int used = 0; | |
3103 | int dirty = 0; | |
3104 | int isa_dir = 0; | |
3105 | const int verify_mode = 1; | |
3106 | const int check_dups = 0; | |
3107 | const int ino_discovery = 0; | |
3108 | const int uncertain = 0; | |
3109 | ||
3110 | return process_dinode_int(mp, dino, agno, ino, 0, &dirty, &used, | |
3111 | verify_mode, uncertain, ino_discovery, | |
3112 | check_dups, 0, &isa_dir, &parent); | |
2bd0ea18 NS |
3113 | } |
3114 | ||
3115 | /* | |
3116 | * like above only for inode on the uncertain list. it sets | |
3117 | * the uncertain flag which makes process_dinode_int quieter. | |
3118 | * returns 0 if the inode passes the cursory sanity check, 1 otherwise. | |
3119 | */ | |
3120 | int | |
0459b626 BN |
3121 | verify_uncertain_dinode( |
3122 | xfs_mount_t *mp, | |
3123 | xfs_dinode_t *dino, | |
3124 | xfs_agnumber_t agno, | |
3125 | xfs_agino_t ino) | |
2bd0ea18 | 3126 | { |
0459b626 BN |
3127 | xfs_ino_t parent; |
3128 | int used = 0; | |
3129 | int dirty = 0; | |
3130 | int isa_dir = 0; | |
3131 | const int verify_mode = 1; | |
3132 | const int check_dups = 0; | |
3133 | const int ino_discovery = 0; | |
3134 | const int uncertain = 1; | |
3135 | ||
3136 | return process_dinode_int(mp, dino, agno, ino, 0, &dirty, &used, | |
3137 | verify_mode, uncertain, ino_discovery, | |
3138 | check_dups, 0, &isa_dir, &parent); | |
2bd0ea18 | 3139 | } |