]>
Commit | Line | Data |
---|---|---|
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" |
1164bde5 DC |
20 | #include "threads.h" |
21 | #include "prefetch.h" | |
2bd0ea18 NS |
22 | #include "avl.h" |
23 | #include "globals.h" | |
24 | #include "agheader.h" | |
25 | #include "incore.h" | |
2bd0ea18 | 26 | #include "dir2.h" |
2bd0ea18 NS |
27 | #include "protos.h" |
28 | #include "err_protos.h" | |
29 | #include "dinode.h" | |
06fbdda9 | 30 | #include "progress.h" |
2bd0ea18 NS |
31 | #include "versions.h" |
32 | ||
6c39a3cb BN |
33 | static struct cred zerocr; |
34 | static struct fsxattr zerofsx; | |
35 | static xfs_ino_t orphanage_ino; | |
2bd0ea18 | 36 | |
1acc5385 ES |
37 | static struct xfs_name xfs_name_dot = {(unsigned char *)".", |
38 | 1, | |
39 | XFS_DIR3_FT_DIR}; | |
5e656dbb | 40 | |
575ca697 BN |
41 | /* |
42 | * Data structures used to keep track of directories where the ".." | |
43 | * entries are updated. These must be rebuilt after the initial pass | |
44 | */ | |
45 | typedef struct dotdot_update { | |
1177f669 | 46 | struct list_head list; |
575ca697 BN |
47 | ino_tree_node_t *irec; |
48 | xfs_agnumber_t agno; | |
49 | int ino_offset; | |
50 | } dotdot_update_t; | |
51 | ||
1177f669 | 52 | static LIST_HEAD(dotdot_update_list); |
575ca697 BN |
53 | static int dotdot_update; |
54 | ||
55 | static void | |
56 | add_dotdot_update( | |
57 | xfs_agnumber_t agno, | |
58 | ino_tree_node_t *irec, | |
59 | int ino_offset) | |
60 | { | |
61 | dotdot_update_t *dir = malloc(sizeof(dotdot_update_t)); | |
62 | ||
63 | if (!dir) | |
5d1b7f0f | 64 | do_error(_("malloc failed add_dotdot_update (%zu bytes)\n"), |
575ca697 BN |
65 | sizeof(dotdot_update_t)); |
66 | ||
1177f669 | 67 | INIT_LIST_HEAD(&dir->list); |
575ca697 BN |
68 | dir->irec = irec; |
69 | dir->agno = agno; | |
70 | dir->ino_offset = ino_offset; | |
71 | ||
1177f669 | 72 | list_add(&dir->list, &dotdot_update_list); |
575ca697 BN |
73 | } |
74 | ||
2bd0ea18 NS |
75 | /* |
76 | * Data structures and routines to keep track of directory entries | |
33165ec3 BN |
77 | * and whether their leaf entry has been seen. Also used for name |
78 | * duplicate checking and rebuilding step if required. | |
2bd0ea18 NS |
79 | */ |
80 | typedef struct dir_hash_ent { | |
33165ec3 BN |
81 | struct dir_hash_ent *nextbyaddr; /* next in addr bucket */ |
82 | struct dir_hash_ent *nextbyhash; /* next in name bucket */ | |
83 | struct dir_hash_ent *nextbyorder; /* next in order added */ | |
84 | xfs_dahash_t hashval; /* hash value of name */ | |
85 | __uint32_t address; /* offset of data entry */ | |
86 | xfs_ino_t inum; /* inode num of entry */ | |
87 | short junkit; /* name starts with / */ | |
88 | short seen; /* have seen leaf entry */ | |
5e656dbb | 89 | struct xfs_name name; |
2bd0ea18 NS |
90 | } dir_hash_ent_t; |
91 | ||
92 | typedef struct dir_hash_tab { | |
33165ec3 BN |
93 | int size; /* size of hash tables */ |
94 | int names_duped; /* 1 = ent names malloced */ | |
95 | dir_hash_ent_t *first; /* ptr to first added entry */ | |
96 | dir_hash_ent_t *last; /* ptr to last added entry */ | |
97 | dir_hash_ent_t **byhash; /* ptr to name hash buckets */ | |
98 | dir_hash_ent_t **byaddr; /* ptr to addr hash buckets */ | |
2bd0ea18 | 99 | } dir_hash_tab_t; |
33165ec3 | 100 | |
2bd0ea18 | 101 | #define DIR_HASH_TAB_SIZE(n) \ |
33165ec3 | 102 | (sizeof(dir_hash_tab_t) + (sizeof(dir_hash_ent_t *) * (n) * 2)) |
2bd0ea18 NS |
103 | #define DIR_HASH_FUNC(t,a) ((a) % (t)->size) |
104 | ||
105 | /* | |
106 | * Track the contents of the freespace table in a directory. | |
107 | */ | |
108 | typedef struct freetab { | |
9d7d6241 NS |
109 | int naents; /* expected number of data blocks */ |
110 | int nents; /* number of data blocks processed */ | |
2bd0ea18 NS |
111 | struct freetab_ent { |
112 | xfs_dir2_data_off_t v; | |
113 | short s; | |
114 | } ents[1]; | |
115 | } freetab_t; | |
116 | #define FREETAB_SIZE(n) \ | |
117 | (offsetof(freetab_t, ents) + (sizeof(struct freetab_ent) * (n))) | |
118 | ||
119 | #define DIR_HASH_CK_OK 0 | |
120 | #define DIR_HASH_CK_DUPLEAF 1 | |
121 | #define DIR_HASH_CK_BADHASH 2 | |
122 | #define DIR_HASH_CK_NODATA 3 | |
123 | #define DIR_HASH_CK_NOLEAF 4 | |
124 | #define DIR_HASH_CK_BADSTALE 5 | |
507f4e33 | 125 | #define DIR_HASH_CK_TOTAL 6 |
2bd0ea18 | 126 | |
8e7e14be DC |
127 | /* |
128 | * Need to handle CRC and validation errors specially here. If there is a | |
129 | * validator error, re-read without the verifier so that we get a buffer we can | |
130 | * check and repair. Re-attach the ops to the buffer after the read so that when | |
131 | * it is rewritten the CRC is recalculated. | |
132 | * | |
133 | * If the buffer was not read, we return an error. If the buffer was read but | |
134 | * had a CRC or corruption error, we reread it without the verifier and if it is | |
135 | * read successfully we increment *crc_error and return 0. Otherwise we | |
136 | * return the read error. | |
137 | */ | |
138 | static int | |
139 | dir_read_buf( | |
140 | struct xfs_inode *ip, | |
141 | xfs_dablk_t bno, | |
142 | xfs_daddr_t mappedbno, | |
143 | struct xfs_buf **bpp, | |
144 | const struct xfs_buf_ops *ops, | |
145 | int *crc_error) | |
146 | { | |
147 | int error; | |
148 | int error2; | |
149 | ||
12b53197 | 150 | error = -libxfs_da_read_buf(NULL, ip, bno, mappedbno, bpp, |
8e7e14be DC |
151 | XFS_DATA_FORK, ops); |
152 | ||
153 | if (error != EFSBADCRC && error != EFSCORRUPTED) | |
154 | return error; | |
155 | ||
12b53197 | 156 | error2 = -libxfs_da_read_buf(NULL, ip, bno, mappedbno, bpp, |
8e7e14be DC |
157 | XFS_DATA_FORK, NULL); |
158 | if (error2) | |
159 | return error2; | |
160 | ||
161 | (*crc_error)++; | |
162 | (*bpp)->b_ops = ops; | |
163 | return 0; | |
164 | } | |
165 | ||
33165ec3 BN |
166 | /* |
167 | * Returns 0 if the name already exists (ie. a duplicate) | |
168 | */ | |
169 | static int | |
2bd0ea18 | 170 | dir_hash_add( |
51ca7008 | 171 | xfs_mount_t *mp, |
2bd0ea18 | 172 | dir_hash_tab_t *hashtab, |
0f012a4c | 173 | __uint32_t addr, |
33165ec3 BN |
174 | xfs_ino_t inum, |
175 | int namelen, | |
aaca101b DC |
176 | unsigned char *name, |
177 | __uint8_t ftype) | |
2bd0ea18 | 178 | { |
33165ec3 BN |
179 | xfs_dahash_t hash = 0; |
180 | int byaddr; | |
181 | int byhash = 0; | |
2bd0ea18 | 182 | dir_hash_ent_t *p; |
33165ec3 BN |
183 | int dup; |
184 | short junk; | |
5e656dbb | 185 | struct xfs_name xname; |
0f012a4c | 186 | |
33165ec3 | 187 | ASSERT(!hashtab->names_duped); |
0f012a4c | 188 | |
5e656dbb BN |
189 | xname.name = name; |
190 | xname.len = namelen; | |
aaca101b | 191 | xname.type = ftype; |
5e656dbb | 192 | |
33165ec3 BN |
193 | junk = name[0] == '/'; |
194 | byaddr = DIR_HASH_FUNC(hashtab, addr); | |
195 | dup = 0; | |
2bd0ea18 | 196 | |
33165ec3 | 197 | if (!junk) { |
5e656dbb | 198 | hash = mp->m_dirnameops->hashname(&xname); |
33165ec3 BN |
199 | byhash = DIR_HASH_FUNC(hashtab, hash); |
200 | ||
0f012a4c | 201 | /* |
33165ec3 BN |
202 | * search hash bucket for existing name. |
203 | */ | |
204 | for (p = hashtab->byhash[byhash]; p; p = p->nextbyhash) { | |
5e656dbb BN |
205 | if (p->hashval == hash && p->name.len == namelen) { |
206 | if (memcmp(p->name.name, name, namelen) == 0) { | |
33165ec3 BN |
207 | dup = 1; |
208 | junk = 1; | |
209 | break; | |
210 | } | |
211 | } | |
212 | } | |
213 | } | |
0f012a4c | 214 | |
507f4e33 | 215 | if ((p = malloc(sizeof(*p))) == NULL) |
5d1b7f0f | 216 | do_error(_("malloc failed in dir_hash_add (%zu bytes)\n"), |
2bd0ea18 | 217 | sizeof(*p)); |
0f012a4c | 218 | |
33165ec3 BN |
219 | p->nextbyaddr = hashtab->byaddr[byaddr]; |
220 | hashtab->byaddr[byaddr] = p; | |
0f012a4c | 221 | if (hashtab->last) |
33165ec3 BN |
222 | hashtab->last->nextbyorder = p; |
223 | else | |
224 | hashtab->first = p; | |
225 | p->nextbyorder = NULL; | |
226 | hashtab->last = p; | |
0f012a4c | 227 | |
33165ec3 BN |
228 | if (!(p->junkit = junk)) { |
229 | p->hashval = hash; | |
230 | p->nextbyhash = hashtab->byhash[byhash]; | |
231 | hashtab->byhash[byhash] = p; | |
232 | } | |
233 | p->address = addr; | |
234 | p->inum = inum; | |
2bd0ea18 | 235 | p->seen = 0; |
5e656dbb | 236 | p->name = xname; |
0f012a4c | 237 | |
33165ec3 | 238 | return !dup; |
2bd0ea18 NS |
239 | } |
240 | ||
33165ec3 | 241 | /* |
0f012a4c | 242 | * checks to see if any data entries are not in the leaf blocks |
33165ec3 | 243 | */ |
2bd0ea18 NS |
244 | static int |
245 | dir_hash_unseen( | |
246 | dir_hash_tab_t *hashtab) | |
247 | { | |
248 | int i; | |
249 | dir_hash_ent_t *p; | |
250 | ||
251 | for (i = 0; i < hashtab->size; i++) { | |
33165ec3 | 252 | for (p = hashtab->byaddr[i]; p; p = p->nextbyaddr) { |
2bd0ea18 NS |
253 | if (p->seen == 0) |
254 | return 1; | |
255 | } | |
256 | } | |
257 | return 0; | |
258 | } | |
259 | ||
260 | static int | |
261 | dir_hash_check( | |
262 | dir_hash_tab_t *hashtab, | |
263 | xfs_inode_t *ip, | |
264 | int seeval) | |
265 | { | |
507f4e33 NS |
266 | static char *seevalstr[DIR_HASH_CK_TOTAL]; |
267 | static int done; | |
268 | ||
269 | if (!done) { | |
270 | seevalstr[DIR_HASH_CK_OK] = _("ok"); | |
271 | seevalstr[DIR_HASH_CK_DUPLEAF] = _("duplicate leaf"); | |
272 | seevalstr[DIR_HASH_CK_BADHASH] = _("hash value mismatch"); | |
273 | seevalstr[DIR_HASH_CK_NODATA] = _("no data entry"); | |
274 | seevalstr[DIR_HASH_CK_NOLEAF] = _("no leaf entry"); | |
275 | seevalstr[DIR_HASH_CK_BADSTALE] = _("bad stale count"); | |
276 | done = 1; | |
277 | } | |
2bd0ea18 NS |
278 | |
279 | if (seeval == DIR_HASH_CK_OK && dir_hash_unseen(hashtab)) | |
280 | seeval = DIR_HASH_CK_NOLEAF; | |
281 | if (seeval == DIR_HASH_CK_OK) | |
282 | return 0; | |
5d1b7f0f | 283 | do_warn(_("bad hash table for directory inode %" PRIu64 " (%s): "), |
507f4e33 | 284 | ip->i_ino, seevalstr[seeval]); |
2bd0ea18 | 285 | if (!no_modify) |
507f4e33 | 286 | do_warn(_("rebuilding\n")); |
2bd0ea18 | 287 | else |
507f4e33 | 288 | do_warn(_("would rebuild\n")); |
2bd0ea18 NS |
289 | return 1; |
290 | } | |
291 | ||
292 | static void | |
293 | dir_hash_done( | |
294 | dir_hash_tab_t *hashtab) | |
295 | { | |
296 | int i; | |
297 | dir_hash_ent_t *n; | |
298 | dir_hash_ent_t *p; | |
299 | ||
300 | for (i = 0; i < hashtab->size; i++) { | |
33165ec3 BN |
301 | for (p = hashtab->byaddr[i]; p; p = n) { |
302 | n = p->nextbyaddr; | |
303 | if (hashtab->names_duped) | |
5e656dbb | 304 | free((void *)p->name.name); |
2bd0ea18 NS |
305 | free(p); |
306 | } | |
307 | } | |
308 | free(hashtab); | |
309 | } | |
310 | ||
311 | static dir_hash_tab_t * | |
312 | dir_hash_init( | |
313 | xfs_fsize_t size) | |
314 | { | |
315 | dir_hash_tab_t *hashtab; | |
316 | int hsize; | |
317 | ||
318 | hsize = size / (16 * 4); | |
2556c98b BN |
319 | if (hsize > 65536) |
320 | hsize = 63336; | |
2bd0ea18 NS |
321 | else if (hsize < 16) |
322 | hsize = 16; | |
507f4e33 NS |
323 | if ((hashtab = calloc(DIR_HASH_TAB_SIZE(hsize), 1)) == NULL) |
324 | do_error(_("calloc failed in dir_hash_init\n")); | |
2bd0ea18 | 325 | hashtab->size = hsize; |
0f012a4c | 326 | hashtab->byhash = (dir_hash_ent_t**)((char *)hashtab + |
33165ec3 | 327 | sizeof(dir_hash_tab_t)); |
0f012a4c | 328 | hashtab->byaddr = (dir_hash_ent_t**)((char *)hashtab + |
33165ec3 | 329 | sizeof(dir_hash_tab_t) + sizeof(dir_hash_ent_t*) * hsize); |
2bd0ea18 NS |
330 | return hashtab; |
331 | } | |
332 | ||
333 | static int | |
334 | dir_hash_see( | |
335 | dir_hash_tab_t *hashtab, | |
336 | xfs_dahash_t hash, | |
337 | xfs_dir2_dataptr_t addr) | |
338 | { | |
339 | int i; | |
340 | dir_hash_ent_t *p; | |
341 | ||
342 | i = DIR_HASH_FUNC(hashtab, addr); | |
33165ec3 BN |
343 | for (p = hashtab->byaddr[i]; p; p = p->nextbyaddr) { |
344 | if (p->address != addr) | |
2bd0ea18 NS |
345 | continue; |
346 | if (p->seen) | |
347 | return DIR_HASH_CK_DUPLEAF; | |
33165ec3 | 348 | if (p->junkit == 0 && p->hashval != hash) |
2bd0ea18 NS |
349 | return DIR_HASH_CK_BADHASH; |
350 | p->seen = 1; | |
351 | return DIR_HASH_CK_OK; | |
352 | } | |
353 | return DIR_HASH_CK_NODATA; | |
354 | } | |
355 | ||
aaca101b DC |
356 | static void |
357 | dir_hash_update_ftype( | |
358 | dir_hash_tab_t *hashtab, | |
359 | xfs_dir2_dataptr_t addr, | |
360 | __uint8_t ftype) | |
361 | { | |
362 | int i; | |
363 | dir_hash_ent_t *p; | |
364 | ||
365 | i = DIR_HASH_FUNC(hashtab, addr); | |
366 | for (p = hashtab->byaddr[i]; p; p = p->nextbyaddr) { | |
367 | if (p->address != addr) | |
368 | continue; | |
369 | p->name.type = ftype; | |
370 | } | |
371 | } | |
372 | ||
33165ec3 BN |
373 | /* |
374 | * checks to make sure leafs match a data entry, and that the stale | |
375 | * count is valid. | |
376 | */ | |
2bd0ea18 NS |
377 | static int |
378 | dir_hash_see_all( | |
379 | dir_hash_tab_t *hashtab, | |
380 | xfs_dir2_leaf_entry_t *ents, | |
381 | int count, | |
382 | int stale) | |
383 | { | |
384 | int i; | |
385 | int j; | |
386 | int rval; | |
387 | ||
388 | for (i = j = 0; i < count; i++) { | |
5e656dbb | 389 | if (be32_to_cpu(ents[i].address) == XFS_DIR2_NULL_DATAPTR) { |
2bd0ea18 NS |
390 | j++; |
391 | continue; | |
392 | } | |
5e656dbb BN |
393 | rval = dir_hash_see(hashtab, be32_to_cpu(ents[i].hashval), |
394 | be32_to_cpu(ents[i].address)); | |
2bd0ea18 NS |
395 | if (rval != DIR_HASH_CK_OK) |
396 | return rval; | |
397 | } | |
398 | return j == stale ? DIR_HASH_CK_OK : DIR_HASH_CK_BADSTALE; | |
399 | } | |
400 | ||
64c54486 | 401 | /* |
33165ec3 BN |
402 | * Convert name pointers into locally allocated memory. |
403 | * This must only be done after all the entries have been added. | |
64c54486 | 404 | */ |
33165ec3 BN |
405 | static void |
406 | dir_hash_dup_names(dir_hash_tab_t *hashtab) | |
64c54486 | 407 | { |
56b2de80 | 408 | unsigned char *name; |
33165ec3 | 409 | dir_hash_ent_t *p; |
0f012a4c | 410 | |
33165ec3 BN |
411 | if (hashtab->names_duped) |
412 | return; | |
0f012a4c | 413 | |
33165ec3 | 414 | for (p = hashtab->first; p; p = p->nextbyorder) { |
5e656dbb BN |
415 | name = malloc(p->name.len); |
416 | memcpy(name, p->name.name, p->name.len); | |
417 | p->name.name = name; | |
64c54486 | 418 | } |
33165ec3 | 419 | hashtab->names_duped = 1; |
64c54486 BN |
420 | } |
421 | ||
2bd0ea18 | 422 | /* |
5e656dbb BN |
423 | * Given a block number in a fork, return the next valid block number |
424 | * (not a hole). | |
425 | * If this is the last block number then NULLFILEOFF is returned. | |
426 | * | |
427 | * This was originally in the kernel, but only used in xfs_repair. | |
428 | */ | |
2bd0ea18 | 429 | static int |
5e656dbb BN |
430 | bmap_next_offset( |
431 | xfs_trans_t *tp, /* transaction pointer */ | |
432 | xfs_inode_t *ip, /* incore inode */ | |
433 | xfs_fileoff_t *bnop, /* current block */ | |
434 | int whichfork) /* data or attr fork */ | |
2bd0ea18 | 435 | { |
5e656dbb BN |
436 | xfs_fileoff_t bno; /* current block */ |
437 | int eof; /* hit end of file */ | |
438 | int error; /* error return value */ | |
439 | xfs_bmbt_irec_t got; /* current extent value */ | |
440 | xfs_ifork_t *ifp; /* inode fork pointer */ | |
441 | xfs_extnum_t lastx; /* last extent used */ | |
442 | xfs_bmbt_irec_t prev; /* previous extent value */ | |
443 | ||
444 | if (XFS_IFORK_FORMAT(ip, whichfork) != XFS_DINODE_FMT_BTREE && | |
445 | XFS_IFORK_FORMAT(ip, whichfork) != XFS_DINODE_FMT_EXTENTS && | |
446 | XFS_IFORK_FORMAT(ip, whichfork) != XFS_DINODE_FMT_LOCAL) | |
447 | return EIO; | |
448 | if (XFS_IFORK_FORMAT(ip, whichfork) == XFS_DINODE_FMT_LOCAL) { | |
449 | *bnop = NULLFILEOFF; | |
450 | return 0; | |
451 | } | |
452 | ifp = XFS_IFORK_PTR(ip, whichfork); | |
453 | if (!(ifp->if_flags & XFS_IFEXTENTS) && | |
454 | (error = xfs_iread_extents(tp, ip, whichfork))) | |
455 | return error; | |
456 | bno = *bnop + 1; | |
e515cca1 DC |
457 | libxfs_bmap_search_extents(ip, bno, whichfork, &eof, &lastx, |
458 | &got, &prev); | |
5e656dbb BN |
459 | if (eof) |
460 | *bnop = NULLFILEOFF; | |
2bd0ea18 | 461 | else |
5e656dbb BN |
462 | *bnop = got.br_startoff < bno ? bno : got.br_startoff; |
463 | return 0; | |
2bd0ea18 NS |
464 | } |
465 | ||
466 | ||
467 | static void | |
468 | res_failed( | |
469 | int err) | |
470 | { | |
471 | if (err == ENOSPC) { | |
507f4e33 | 472 | do_error(_("ran out of disk space!\n")); |
2bd0ea18 | 473 | } else |
507f4e33 | 474 | do_error(_("xfs_trans_reserve returned %d\n"), err); |
2bd0ea18 NS |
475 | } |
476 | ||
477 | void | |
478 | mk_rbmino(xfs_mount_t *mp) | |
479 | { | |
480 | xfs_trans_t *tp; | |
481 | xfs_inode_t *ip; | |
482 | xfs_bmbt_irec_t *ep; | |
483 | xfs_fsblock_t first; | |
484 | int i; | |
485 | int nmap; | |
2bd0ea18 NS |
486 | int error; |
487 | xfs_bmap_free_t flist; | |
5a35bf2c | 488 | xfs_fileoff_t bno; |
2bd0ea18 | 489 | xfs_bmbt_irec_t map[XFS_BMAP_MAX_NMAP]; |
41ce5f36 DC |
490 | int vers; |
491 | int times; | |
48ea6cb9 | 492 | struct xfs_trans_res tres = {0}; |
2bd0ea18 NS |
493 | |
494 | /* | |
495 | * first set up inode | |
496 | */ | |
497 | tp = libxfs_trans_alloc(mp, 0); | |
498 | ||
12b53197 | 499 | i = -libxfs_trans_reserve(tp, &tres, 10, 0); |
48ea6cb9 | 500 | if (i) |
2bd0ea18 NS |
501 | res_failed(i); |
502 | ||
12b53197 | 503 | error = -libxfs_trans_iget(mp, tp, mp->m_sb.sb_rbmino, 0, 0, &ip); |
2bd0ea18 | 504 | if (error) { |
507f4e33 NS |
505 | do_error( |
506 | _("couldn't iget realtime bitmap inode -- error - %d\n"), | |
2bd0ea18 NS |
507 | error); |
508 | } | |
509 | ||
138659f1 DC |
510 | vers = xfs_sb_version_hascrc(&mp->m_sb) ? 3 : 2; |
511 | memset(&ip->i_d, 0, sizeof(ip->i_d)); | |
2bd0ea18 | 512 | |
322f2a29 | 513 | ip->i_d.di_mode = S_IFREG; |
41ce5f36 | 514 | ip->i_d.di_version = vers; |
2bd0ea18 NS |
515 | ip->i_d.di_format = XFS_DINODE_FMT_EXTENTS; |
516 | ip->i_d.di_aformat = XFS_DINODE_FMT_EXTENTS; | |
517 | ||
bcbe04c1 | 518 | set_nlink(VFS_I(ip), 1); /* account for sb ptr */ |
2bd0ea18 | 519 | |
41ce5f36 DC |
520 | times = XFS_ICHGTIME_CHG | XFS_ICHGTIME_MOD; |
521 | if (ip->i_d.di_version == 3) { | |
41ce5f36 | 522 | ip->i_d.di_changecount = 1; |
41ce5f36 | 523 | ip->i_d.di_flags2 = 0; |
41ce5f36 DC |
524 | times |= XFS_ICHGTIME_CREATE; |
525 | } | |
526 | libxfs_trans_ichgtime(tp, ip, times); | |
527 | ||
2bd0ea18 NS |
528 | /* |
529 | * now the ifork | |
530 | */ | |
531 | ip->i_df.if_flags = XFS_IFEXTENTS; | |
532 | ip->i_df.if_bytes = ip->i_df.if_real_bytes = 0; | |
533 | ip->i_df.if_u1.if_extents = NULL; | |
534 | ||
535 | ip->i_d.di_size = mp->m_sb.sb_rbmblocks * mp->m_sb.sb_blocksize; | |
536 | ||
537 | /* | |
538 | * commit changes | |
539 | */ | |
540 | libxfs_trans_log_inode(tp, ip, XFS_ILOG_CORE); | |
de5a3f46 | 541 | libxfs_trans_commit(tp); |
2bd0ea18 NS |
542 | |
543 | /* | |
544 | * then allocate blocks for file and fill with zeroes (stolen | |
545 | * from mkfs) | |
546 | */ | |
547 | tp = libxfs_trans_alloc(mp, 0); | |
12b53197 | 548 | error = -libxfs_trans_reserve(tp, &tres, mp->m_sb.sb_rbmblocks + |
48ea6cb9 DC |
549 | (XFS_BM_MAXLEVELS(mp, XFS_DATA_FORK) - 1), 0); |
550 | if (error) | |
2bd0ea18 NS |
551 | res_failed(error); |
552 | ||
553 | libxfs_trans_ijoin(tp, ip, 0); | |
554 | bno = 0; | |
56b2de80 | 555 | xfs_bmap_init(&flist, &first); |
2bd0ea18 NS |
556 | while (bno < mp->m_sb.sb_rbmblocks) { |
557 | nmap = XFS_BMAP_MAX_NMAP; | |
12b53197 | 558 | error = -libxfs_bmapi_write(tp, ip, bno, |
2bd0ea18 | 559 | (xfs_extlen_t)(mp->m_sb.sb_rbmblocks - bno), |
a2ceac1f | 560 | 0, &first, mp->m_sb.sb_rbmblocks, |
56b2de80 | 561 | map, &nmap, &flist); |
2bd0ea18 | 562 | if (error) { |
507f4e33 NS |
563 | do_error( |
564 | _("couldn't allocate realtime bitmap, error = %d\n"), | |
2bd0ea18 NS |
565 | error); |
566 | } | |
567 | for (i = 0, ep = map; i < nmap; i++, ep++) { | |
75c8b434 | 568 | libxfs_device_zero(mp->m_ddev_targp, |
2bd0ea18 NS |
569 | XFS_FSB_TO_DADDR(mp, ep->br_startblock), |
570 | XFS_FSB_TO_BB(mp, ep->br_blockcount)); | |
571 | bno += ep->br_blockcount; | |
572 | } | |
573 | } | |
0b66d459 | 574 | error = -libxfs_bmap_finish(&tp, &flist, ip); |
2bd0ea18 NS |
575 | if (error) { |
576 | do_error( | |
507f4e33 | 577 | _("allocation of the realtime bitmap failed, error = %d\n"), |
2bd0ea18 NS |
578 | error); |
579 | } | |
de5a3f46 | 580 | libxfs_trans_commit(tp); |
4491caa3 | 581 | IRELE(ip); |
2bd0ea18 NS |
582 | } |
583 | ||
8b8a6b02 | 584 | static int |
2bd0ea18 NS |
585 | fill_rbmino(xfs_mount_t *mp) |
586 | { | |
587 | xfs_buf_t *bp; | |
588 | xfs_trans_t *tp; | |
589 | xfs_inode_t *ip; | |
590 | xfs_rtword_t *bmp; | |
591 | xfs_fsblock_t first; | |
592 | int nmap; | |
593 | int error; | |
5a35bf2c | 594 | xfs_fileoff_t bno; |
2bd0ea18 | 595 | xfs_bmbt_irec_t map; |
48ea6cb9 | 596 | struct xfs_trans_res tres = {0}; |
2bd0ea18 NS |
597 | |
598 | bmp = btmcompute; | |
599 | bno = 0; | |
600 | ||
601 | tp = libxfs_trans_alloc(mp, 0); | |
602 | ||
12b53197 | 603 | error = -libxfs_trans_reserve(tp, &tres, 10, 0); |
48ea6cb9 | 604 | if (error) |
2bd0ea18 NS |
605 | res_failed(error); |
606 | ||
12b53197 | 607 | error = -libxfs_trans_iget(mp, tp, mp->m_sb.sb_rbmino, 0, 0, &ip); |
2bd0ea18 | 608 | if (error) { |
507f4e33 NS |
609 | do_error( |
610 | _("couldn't iget realtime bitmap inode -- error - %d\n"), | |
2bd0ea18 NS |
611 | error); |
612 | } | |
613 | ||
312592de | 614 | first = NULLFSBLOCK; |
2bd0ea18 NS |
615 | while (bno < mp->m_sb.sb_rbmblocks) { |
616 | /* | |
617 | * fill the file one block at a time | |
618 | */ | |
619 | nmap = 1; | |
12b53197 | 620 | error = -libxfs_bmapi_write(tp, ip, bno, 1, 0, |
56b2de80 | 621 | &first, 1, &map, &nmap, NULL); |
2bd0ea18 NS |
622 | if (error || nmap != 1) { |
623 | do_error( | |
5d1b7f0f | 624 | _("couldn't map realtime bitmap block %" PRIu64 ", error = %d\n"), |
2bd0ea18 NS |
625 | bno, error); |
626 | } | |
627 | ||
628 | ASSERT(map.br_startblock != HOLESTARTBLOCK); | |
629 | ||
12b53197 | 630 | error = -libxfs_trans_read_buf( |
2bd0ea18 | 631 | mp, tp, mp->m_dev, |
dfc130f3 | 632 | XFS_FSB_TO_DADDR(mp, map.br_startblock), |
a2ceac1f | 633 | XFS_FSB_TO_BB(mp, 1), 1, &bp, NULL); |
2bd0ea18 NS |
634 | |
635 | if (error) { | |
636 | do_warn( | |
5d1b7f0f | 637 | _("can't access block %" PRIu64 " (fsbno %" PRIu64 ") of realtime bitmap inode %" PRIu64 "\n"), |
2bd0ea18 NS |
638 | bno, map.br_startblock, mp->m_sb.sb_rbmino); |
639 | return(1); | |
640 | } | |
641 | ||
dab9b8d6 | 642 | memmove(XFS_BUF_PTR(bp), bmp, mp->m_sb.sb_blocksize); |
2bd0ea18 NS |
643 | |
644 | libxfs_trans_log_buf(tp, bp, 0, mp->m_sb.sb_blocksize - 1); | |
645 | ||
ee6cd73e | 646 | bmp = (xfs_rtword_t *)((intptr_t) bmp + mp->m_sb.sb_blocksize); |
2bd0ea18 NS |
647 | bno++; |
648 | } | |
649 | ||
de5a3f46 | 650 | libxfs_trans_commit(tp); |
4491caa3 | 651 | IRELE(ip); |
2bd0ea18 NS |
652 | return(0); |
653 | } | |
654 | ||
8b8a6b02 | 655 | static int |
2bd0ea18 NS |
656 | fill_rsumino(xfs_mount_t *mp) |
657 | { | |
658 | xfs_buf_t *bp; | |
659 | xfs_trans_t *tp; | |
660 | xfs_inode_t *ip; | |
661 | xfs_suminfo_t *smp; | |
662 | xfs_fsblock_t first; | |
663 | int nmap; | |
664 | int error; | |
5a35bf2c DC |
665 | xfs_fileoff_t bno; |
666 | xfs_fileoff_t end_bno; | |
2bd0ea18 | 667 | xfs_bmbt_irec_t map; |
48ea6cb9 | 668 | struct xfs_trans_res tres = {0}; |
2bd0ea18 NS |
669 | |
670 | smp = sumcompute; | |
671 | bno = 0; | |
672 | end_bno = mp->m_rsumsize >> mp->m_sb.sb_blocklog; | |
673 | ||
674 | tp = libxfs_trans_alloc(mp, 0); | |
675 | ||
12b53197 | 676 | error = -libxfs_trans_reserve(tp, &tres, 10, 0); |
48ea6cb9 | 677 | if (error) |
2bd0ea18 NS |
678 | res_failed(error); |
679 | ||
12b53197 | 680 | error = -libxfs_trans_iget(mp, tp, mp->m_sb.sb_rsumino, 0, 0, &ip); |
2bd0ea18 | 681 | if (error) { |
507f4e33 NS |
682 | do_error( |
683 | _("couldn't iget realtime summary inode -- error - %d\n"), | |
2bd0ea18 NS |
684 | error); |
685 | } | |
686 | ||
312592de | 687 | first = NULLFSBLOCK; |
2bd0ea18 NS |
688 | while (bno < end_bno) { |
689 | /* | |
690 | * fill the file one block at a time | |
691 | */ | |
692 | nmap = 1; | |
12b53197 | 693 | error = -libxfs_bmapi_write(tp, ip, bno, 1, 0, |
56b2de80 | 694 | &first, 1, &map, &nmap, NULL); |
2bd0ea18 NS |
695 | if (error || nmap != 1) { |
696 | do_error( | |
5d1b7f0f | 697 | _("couldn't map realtime summary inode block %" PRIu64 ", error = %d\n"), |
2bd0ea18 NS |
698 | bno, error); |
699 | } | |
700 | ||
701 | ASSERT(map.br_startblock != HOLESTARTBLOCK); | |
702 | ||
12b53197 | 703 | error = -libxfs_trans_read_buf( |
2bd0ea18 | 704 | mp, tp, mp->m_dev, |
dfc130f3 | 705 | XFS_FSB_TO_DADDR(mp, map.br_startblock), |
a2ceac1f | 706 | XFS_FSB_TO_BB(mp, 1), 1, &bp, NULL); |
2bd0ea18 NS |
707 | |
708 | if (error) { | |
709 | do_warn( | |
5d1b7f0f | 710 | _("can't access block %" PRIu64 " (fsbno %" PRIu64 ") of realtime summary inode %" PRIu64 "\n"), |
2bd0ea18 | 711 | bno, map.br_startblock, mp->m_sb.sb_rsumino); |
4491caa3 | 712 | IRELE(ip); |
2bd0ea18 NS |
713 | return(1); |
714 | } | |
715 | ||
dab9b8d6 | 716 | memmove(XFS_BUF_PTR(bp), smp, mp->m_sb.sb_blocksize); |
2bd0ea18 NS |
717 | |
718 | libxfs_trans_log_buf(tp, bp, 0, mp->m_sb.sb_blocksize - 1); | |
719 | ||
ee6cd73e | 720 | smp = (xfs_suminfo_t *)((intptr_t)smp + mp->m_sb.sb_blocksize); |
2bd0ea18 NS |
721 | bno++; |
722 | } | |
723 | ||
de5a3f46 | 724 | libxfs_trans_commit(tp); |
4491caa3 | 725 | IRELE(ip); |
2bd0ea18 NS |
726 | return(0); |
727 | } | |
728 | ||
8b8a6b02 | 729 | static void |
2bd0ea18 NS |
730 | mk_rsumino(xfs_mount_t *mp) |
731 | { | |
732 | xfs_trans_t *tp; | |
733 | xfs_inode_t *ip; | |
734 | xfs_bmbt_irec_t *ep; | |
735 | xfs_fsblock_t first; | |
736 | int i; | |
737 | int nmap; | |
2bd0ea18 NS |
738 | int error; |
739 | int nsumblocks; | |
740 | xfs_bmap_free_t flist; | |
5a35bf2c | 741 | xfs_fileoff_t bno; |
2bd0ea18 | 742 | xfs_bmbt_irec_t map[XFS_BMAP_MAX_NMAP]; |
41ce5f36 DC |
743 | int vers; |
744 | int times; | |
48ea6cb9 | 745 | struct xfs_trans_res tres = {0}; |
2bd0ea18 NS |
746 | |
747 | /* | |
748 | * first set up inode | |
749 | */ | |
750 | tp = libxfs_trans_alloc(mp, 0); | |
751 | ||
12b53197 | 752 | i = -libxfs_trans_reserve(tp, &M_RES(mp)->tr_ichange, 10, 0); |
48ea6cb9 | 753 | if (i) |
2bd0ea18 NS |
754 | res_failed(i); |
755 | ||
12b53197 | 756 | error = -libxfs_trans_iget(mp, tp, mp->m_sb.sb_rsumino, 0, 0, &ip); |
2bd0ea18 | 757 | if (error) { |
507f4e33 NS |
758 | do_error( |
759 | _("couldn't iget realtime summary inode -- error - %d\n"), | |
2bd0ea18 NS |
760 | error); |
761 | } | |
762 | ||
41ce5f36 | 763 | vers = xfs_sb_version_hascrc(&mp->m_sb) ? 3 : 1; |
138659f1 | 764 | memset(&ip->i_d, 0, sizeof(ip->i_d)); |
2bd0ea18 | 765 | |
322f2a29 | 766 | ip->i_d.di_mode = S_IFREG; |
41ce5f36 | 767 | ip->i_d.di_version = vers; |
2bd0ea18 NS |
768 | ip->i_d.di_format = XFS_DINODE_FMT_EXTENTS; |
769 | ip->i_d.di_aformat = XFS_DINODE_FMT_EXTENTS; | |
770 | ||
bcbe04c1 | 771 | set_nlink(VFS_I(ip), 1); /* account for sb ptr */ |
2bd0ea18 | 772 | |
41ce5f36 DC |
773 | times = XFS_ICHGTIME_CHG | XFS_ICHGTIME_MOD; |
774 | if (ip->i_d.di_version == 3) { | |
41ce5f36 | 775 | ip->i_d.di_changecount = 1; |
41ce5f36 | 776 | ip->i_d.di_flags2 = 0; |
41ce5f36 DC |
777 | times |= XFS_ICHGTIME_CREATE; |
778 | } | |
779 | libxfs_trans_ichgtime(tp, ip, times); | |
780 | ||
2bd0ea18 NS |
781 | /* |
782 | * now the ifork | |
783 | */ | |
784 | ip->i_df.if_flags = XFS_IFEXTENTS; | |
785 | ip->i_df.if_bytes = ip->i_df.if_real_bytes = 0; | |
786 | ip->i_df.if_u1.if_extents = NULL; | |
787 | ||
788 | ip->i_d.di_size = mp->m_rsumsize; | |
789 | ||
790 | /* | |
791 | * commit changes | |
792 | */ | |
793 | libxfs_trans_log_inode(tp, ip, XFS_ILOG_CORE); | |
de5a3f46 | 794 | libxfs_trans_commit(tp); |
2bd0ea18 NS |
795 | |
796 | /* | |
797 | * then allocate blocks for file and fill with zeroes (stolen | |
798 | * from mkfs) | |
799 | */ | |
800 | tp = libxfs_trans_alloc(mp, 0); | |
56b2de80 | 801 | xfs_bmap_init(&flist, &first); |
2bd0ea18 NS |
802 | |
803 | nsumblocks = mp->m_rsumsize >> mp->m_sb.sb_blocklog; | |
48ea6cb9 DC |
804 | tres.tr_logres = BBTOB(128); |
805 | tres.tr_logcount = XFS_DEFAULT_PERM_LOG_COUNT; | |
806 | tres.tr_logflags = XFS_TRANS_PERM_LOG_RES; | |
12b53197 | 807 | error = -libxfs_trans_reserve(tp, &tres, mp->m_sb.sb_rbmblocks + |
48ea6cb9 DC |
808 | (XFS_BM_MAXLEVELS(mp, XFS_DATA_FORK) - 1), 0); |
809 | if (error) | |
2bd0ea18 NS |
810 | res_failed(error); |
811 | ||
812 | libxfs_trans_ijoin(tp, ip, 0); | |
813 | bno = 0; | |
56b2de80 | 814 | xfs_bmap_init(&flist, &first); |
2bd0ea18 NS |
815 | while (bno < nsumblocks) { |
816 | nmap = XFS_BMAP_MAX_NMAP; | |
12b53197 | 817 | error = -libxfs_bmapi_write(tp, ip, bno, |
2bd0ea18 | 818 | (xfs_extlen_t)(nsumblocks - bno), |
a2ceac1f | 819 | 0, &first, nsumblocks, map, &nmap, &flist); |
2bd0ea18 NS |
820 | if (error) { |
821 | do_error( | |
507f4e33 | 822 | _("couldn't allocate realtime summary inode, error = %d\n"), |
2bd0ea18 NS |
823 | error); |
824 | } | |
825 | for (i = 0, ep = map; i < nmap; i++, ep++) { | |
75c8b434 | 826 | libxfs_device_zero(mp->m_ddev_targp, |
2bd0ea18 NS |
827 | XFS_FSB_TO_DADDR(mp, ep->br_startblock), |
828 | XFS_FSB_TO_BB(mp, ep->br_blockcount)); | |
2bd0ea18 NS |
829 | bno += ep->br_blockcount; |
830 | } | |
831 | } | |
0b66d459 | 832 | error = -libxfs_bmap_finish(&tp, &flist, ip); |
2bd0ea18 NS |
833 | if (error) { |
834 | do_error( | |
507f4e33 | 835 | _("allocation of the realtime summary ino failed, error = %d\n"), |
2bd0ea18 NS |
836 | error); |
837 | } | |
de5a3f46 | 838 | libxfs_trans_commit(tp); |
4491caa3 | 839 | IRELE(ip); |
2bd0ea18 NS |
840 | } |
841 | ||
842 | /* | |
843 | * makes a new root directory. | |
844 | */ | |
8b8a6b02 | 845 | static void |
2bd0ea18 NS |
846 | mk_root_dir(xfs_mount_t *mp) |
847 | { | |
848 | xfs_trans_t *tp; | |
849 | xfs_inode_t *ip; | |
850 | int i; | |
851 | int error; | |
852 | const mode_t mode = 0755; | |
69ec88b5 | 853 | ino_tree_node_t *irec; |
41ce5f36 DC |
854 | int vers; |
855 | int times; | |
2bd0ea18 NS |
856 | |
857 | tp = libxfs_trans_alloc(mp, 0); | |
858 | ip = NULL; | |
859 | ||
12b53197 | 860 | i = -libxfs_trans_reserve(tp, &M_RES(mp)->tr_ichange, 10, 0); |
48ea6cb9 | 861 | if (i) |
2bd0ea18 NS |
862 | res_failed(i); |
863 | ||
12b53197 | 864 | error = -libxfs_trans_iget(mp, tp, mp->m_sb.sb_rootino, 0, 0, &ip); |
2bd0ea18 | 865 | if (error) { |
507f4e33 | 866 | do_error(_("could not iget root inode -- error - %d\n"), error); |
2bd0ea18 NS |
867 | } |
868 | ||
869 | /* | |
870 | * take care of the core -- initialization from xfs_ialloc() | |
871 | */ | |
5f6f3660 | 872 | vers = xfs_sb_version_hascrc(&mp->m_sb) ? 3 : 2; |
138659f1 | 873 | memset(&ip->i_d, 0, sizeof(ip->i_d)); |
2bd0ea18 | 874 | |
322f2a29 | 875 | ip->i_d.di_mode = (__uint16_t) mode|S_IFDIR; |
41ce5f36 | 876 | ip->i_d.di_version = vers; |
2bd0ea18 NS |
877 | ip->i_d.di_format = XFS_DINODE_FMT_EXTENTS; |
878 | ip->i_d.di_aformat = XFS_DINODE_FMT_EXTENTS; | |
879 | ||
bcbe04c1 | 880 | set_nlink(VFS_I(ip), 1); /* account for . */ |
2bd0ea18 | 881 | |
41ce5f36 DC |
882 | times = XFS_ICHGTIME_CHG | XFS_ICHGTIME_MOD; |
883 | if (ip->i_d.di_version == 3) { | |
41ce5f36 | 884 | ip->i_d.di_changecount = 1; |
41ce5f36 | 885 | ip->i_d.di_flags2 = 0; |
41ce5f36 DC |
886 | times |= XFS_ICHGTIME_CREATE; |
887 | } | |
888 | libxfs_trans_ichgtime(tp, ip, times); | |
889 | ||
2bd0ea18 NS |
890 | libxfs_trans_log_inode(tp, ip, XFS_ILOG_CORE); |
891 | ||
892 | /* | |
893 | * now the ifork | |
894 | */ | |
895 | ip->i_df.if_flags = XFS_IFEXTENTS; | |
896 | ip->i_df.if_bytes = ip->i_df.if_real_bytes = 0; | |
897 | ip->i_df.if_u1.if_extents = NULL; | |
898 | ||
ff105f75 DC |
899 | |
900 | ||
2bd0ea18 NS |
901 | /* |
902 | * initialize the directory | |
903 | */ | |
ff105f75 | 904 | ip->d_ops = mp->m_dir_inode_ops; |
5e656dbb | 905 | libxfs_dir_init(tp, ip, ip); |
2bd0ea18 | 906 | |
de5a3f46 | 907 | libxfs_trans_commit(tp); |
4491caa3 | 908 | IRELE(ip); |
69ec88b5 | 909 | |
1ae311d5 | 910 | irec = find_inode_rec(mp, XFS_INO_TO_AGNO(mp, mp->m_sb.sb_rootino), |
69ec88b5 BN |
911 | XFS_INO_TO_AGINO(mp, mp->m_sb.sb_rootino)); |
912 | set_inode_isadir(irec, XFS_INO_TO_AGINO(mp, mp->m_sb.sb_rootino) - | |
913 | irec->ino_startnum); | |
2bd0ea18 NS |
914 | } |
915 | ||
916 | /* | |
917 | * orphanage name == lost+found | |
918 | */ | |
8b8a6b02 | 919 | static xfs_ino_t |
2bd0ea18 NS |
920 | mk_orphanage(xfs_mount_t *mp) |
921 | { | |
922 | xfs_ino_t ino; | |
923 | xfs_trans_t *tp; | |
924 | xfs_inode_t *ip; | |
925 | xfs_inode_t *pip; | |
926 | xfs_fsblock_t first; | |
198b747f CM |
927 | ino_tree_node_t *irec; |
928 | int ino_offset = 0; | |
2bd0ea18 | 929 | int i; |
2bd0ea18 NS |
930 | int error; |
931 | xfs_bmap_free_t flist; | |
932 | const int mode = 0755; | |
2bd0ea18 | 933 | int nres; |
5e656dbb BN |
934 | struct xfs_name xname; |
935 | ||
6c39a3cb BN |
936 | /* |
937 | * check for an existing lost+found first, if it exists, return | |
ff1f79a7 | 938 | * its inode. Otherwise, we can create it. Bad lost+found inodes |
6c39a3cb BN |
939 | * would have been cleared in phase3 and phase4. |
940 | */ | |
941 | ||
12b53197 | 942 | if ((i = -libxfs_iget(mp, NULL, mp->m_sb.sb_rootino, 0, &pip, 0))) |
6c39a3cb BN |
943 | do_error(_("%d - couldn't iget root inode to obtain %s\n"), |
944 | i, ORPHANAGE); | |
945 | ||
56b2de80 | 946 | xname.name = (unsigned char *)ORPHANAGE; |
5e656dbb | 947 | xname.len = strlen(ORPHANAGE); |
68774b90 ES |
948 | xname.type = XFS_DIR3_FT_DIR; |
949 | ||
5e656dbb | 950 | if (libxfs_dir_lookup(NULL, pip, &xname, &ino, NULL) == 0) |
6c39a3cb BN |
951 | return ino; |
952 | ||
953 | /* | |
954 | * could not be found, create it | |
955 | */ | |
956 | ||
2bd0ea18 | 957 | tp = libxfs_trans_alloc(mp, 0); |
56b2de80 | 958 | xfs_bmap_init(&flist, &first); |
2bd0ea18 | 959 | |
5e656dbb | 960 | nres = XFS_MKDIR_SPACE_RES(mp, xname.len); |
12b53197 | 961 | i = -libxfs_trans_reserve(tp, &M_RES(mp)->tr_mkdir, nres, 0); |
48ea6cb9 | 962 | if (i) |
2bd0ea18 NS |
963 | res_failed(i); |
964 | ||
965 | /* | |
966 | * use iget/ijoin instead of trans_iget because the ialloc | |
967 | * wrapper can commit the transaction and start a new one | |
968 | */ | |
12b53197 | 969 | /* if ((i = -libxfs_iget(mp, NULL, mp->m_sb.sb_rootino, 0, &pip, 0))) |
507f4e33 | 970 | do_error(_("%d - couldn't iget root inode to make %s\n"), |
6c39a3cb | 971 | i, ORPHANAGE);*/ |
2bd0ea18 | 972 | |
12b53197 | 973 | error = -libxfs_inode_alloc(&tp, pip, mode|S_IFDIR, |
9f064b7e | 974 | 1, 0, &zerocr, &zerofsx, &ip); |
2bd0ea18 | 975 | if (error) { |
507f4e33 | 976 | do_error(_("%s inode allocation failed %d\n"), |
2bd0ea18 NS |
977 | ORPHANAGE, error); |
978 | } | |
bcbe04c1 | 979 | inc_nlink(VFS_I(ip)); /* account for . */ |
198b747f CM |
980 | ino = ip->i_ino; |
981 | ||
982 | irec = find_inode_rec(mp, | |
983 | XFS_INO_TO_AGNO(mp, ino), | |
984 | XFS_INO_TO_AGINO(mp, ino)); | |
3ac87fbf MT |
985 | |
986 | if (irec == NULL) { | |
987 | /* | |
988 | * This inode is allocated from a newly created inode | |
989 | * chunk and therefore did not exist when inode chunks | |
990 | * were processed in phase3. Add this group of inodes to | |
991 | * the entry avl tree as if they were discovered in phase3. | |
992 | */ | |
993 | irec = set_inode_free_alloc(mp, XFS_INO_TO_AGNO(mp, ino), | |
994 | XFS_INO_TO_AGINO(mp, ino)); | |
995 | alloc_ex_data(irec); | |
996 | ||
997 | for (i = 0; i < XFS_INODES_PER_CHUNK; i++) | |
998 | set_inode_free(irec, i); | |
999 | } | |
1000 | ||
198b747f CM |
1001 | ino_offset = get_inode_offset(mp, ino, irec); |
1002 | ||
1003 | /* | |
1004 | * Mark the inode allocated to lost+found as used in the AVL tree | |
1005 | * so it is not skipped in phase 7 | |
1006 | */ | |
1007 | set_inode_used(irec, ino_offset); | |
1008 | add_inode_ref(irec, ino_offset); | |
2bd0ea18 NS |
1009 | |
1010 | /* | |
1011 | * now that we know the transaction will stay around, | |
1012 | * add the root inode to it | |
1013 | */ | |
1014 | libxfs_trans_ijoin(tp, pip, 0); | |
1015 | ||
1016 | /* | |
1017 | * create the actual entry | |
1018 | */ | |
12b53197 | 1019 | error = -libxfs_dir_createname(tp, pip, &xname, ip->i_ino, &first, |
5e656dbb | 1020 | &flist, nres); |
f8149110 | 1021 | if (error) |
6c39a3cb BN |
1022 | do_error( |
1023 | _("can't make %s, createname error %d\n"), | |
2bd0ea18 | 1024 | ORPHANAGE, error); |
2bd0ea18 | 1025 | |
dfc130f3 | 1026 | /* |
2bd0ea18 NS |
1027 | * bump up the link count in the root directory to account |
1028 | * for .. in the new directory | |
1029 | */ | |
bcbe04c1 | 1030 | inc_nlink(VFS_I(pip)); |
1ae311d5 LC |
1031 | add_inode_ref(find_inode_rec(mp, |
1032 | XFS_INO_TO_AGNO(mp, mp->m_sb.sb_rootino), | |
6c39a3cb BN |
1033 | XFS_INO_TO_AGINO(mp, mp->m_sb.sb_rootino)), 0); |
1034 | ||
2bd0ea18 | 1035 | |
198b747f | 1036 | |
2bd0ea18 | 1037 | libxfs_trans_log_inode(tp, pip, XFS_ILOG_CORE); |
5e656dbb | 1038 | libxfs_dir_init(tp, ip, pip); |
2bd0ea18 NS |
1039 | libxfs_trans_log_inode(tp, ip, XFS_ILOG_CORE); |
1040 | ||
0b66d459 | 1041 | error = -libxfs_bmap_finish(&tp, &flist, ip); |
2bd0ea18 | 1042 | if (error) { |
507f4e33 | 1043 | do_error(_("%s directory creation failed -- bmapf error %d\n"), |
2bd0ea18 NS |
1044 | ORPHANAGE, error); |
1045 | } | |
1046 | ||
2bd0ea18 | 1047 | |
de5a3f46 | 1048 | libxfs_trans_commit(tp); |
260c85e8 MT |
1049 | IRELE(ip); |
1050 | IRELE(pip); | |
198b747f | 1051 | add_inode_reached(irec,ino_offset); |
2bd0ea18 | 1052 | |
2bd0ea18 NS |
1053 | return(ino); |
1054 | } | |
1055 | ||
1056 | /* | |
6c39a3cb | 1057 | * move a file to the orphange. |
2bd0ea18 | 1058 | */ |
6c39a3cb BN |
1059 | static void |
1060 | mv_orphanage( | |
1061 | xfs_mount_t *mp, | |
1062 | xfs_ino_t ino, /* inode # to be moved */ | |
1063 | int isa_dir) /* 1 if inode is a directory */ | |
2bd0ea18 | 1064 | { |
2556c98b | 1065 | xfs_inode_t *orphanage_ip; |
6c39a3cb BN |
1066 | xfs_ino_t entry_ino_num; |
1067 | xfs_inode_t *ino_p; | |
1068 | xfs_trans_t *tp; | |
1069 | xfs_fsblock_t first; | |
1070 | xfs_bmap_free_t flist; | |
1071 | int err; | |
56b2de80 | 1072 | unsigned char fname[MAXPATHLEN + 1]; |
6c39a3cb BN |
1073 | int nres; |
1074 | int incr; | |
1075 | ino_tree_node_t *irec; | |
1076 | int ino_offset = 0; | |
5e656dbb BN |
1077 | struct xfs_name xname; |
1078 | ||
5e656dbb | 1079 | xname.name = fname; |
56b2de80 | 1080 | xname.len = snprintf((char *)fname, sizeof(fname), "%llu", |
5e656dbb | 1081 | (unsigned long long)ino); |
2bd0ea18 | 1082 | |
12b53197 | 1083 | err = -libxfs_iget(mp, NULL, orphanage_ino, 0, &orphanage_ip, 0); |
2556c98b BN |
1084 | if (err) |
1085 | do_error(_("%d - couldn't iget orphanage inode\n"), err); | |
6c39a3cb BN |
1086 | /* |
1087 | * Make sure the filename is unique in the lost+found | |
1088 | */ | |
1089 | incr = 0; | |
5e656dbb BN |
1090 | while (libxfs_dir_lookup(NULL, orphanage_ip, &xname, &entry_ino_num, |
1091 | NULL) == 0) | |
56b2de80 | 1092 | xname.len = snprintf((char *)fname, sizeof(fname), "%llu.%d", |
5e656dbb | 1093 | (unsigned long long)ino, ++incr); |
2bd0ea18 NS |
1094 | |
1095 | tp = libxfs_trans_alloc(mp, 0); | |
1096 | ||
12b53197 | 1097 | if ((err = -libxfs_iget(mp, NULL, ino, 0, &ino_p, 0))) |
507f4e33 | 1098 | do_error(_("%d - couldn't iget disconnected inode\n"), err); |
2bd0ea18 | 1099 | |
937ef315 JK |
1100 | xname.type = xfs_mode_to_ftype[(ino_p->i_d.di_mode & S_IFMT)>>S_SHIFT]; |
1101 | ||
2bd0ea18 | 1102 | if (isa_dir) { |
1ae311d5 | 1103 | irec = find_inode_rec(mp, XFS_INO_TO_AGNO(mp, orphanage_ino), |
6c39a3cb BN |
1104 | XFS_INO_TO_AGINO(mp, orphanage_ino)); |
1105 | if (irec) | |
1106 | ino_offset = XFS_INO_TO_AGINO(mp, orphanage_ino) - | |
1107 | irec->ino_startnum; | |
1108 | nres = XFS_DIRENTER_SPACE_RES(mp, fnamelen) + | |
2bd0ea18 | 1109 | XFS_DIRENTER_SPACE_RES(mp, 2); |
12b53197 | 1110 | err = -libxfs_dir_lookup(tp, ino_p, &xfs_name_dotdot, |
5e656dbb | 1111 | &entry_ino_num, NULL); |
6c39a3cb | 1112 | if (err) { |
2bd0ea18 NS |
1113 | ASSERT(err == ENOENT); |
1114 | ||
12b53197 | 1115 | err = -libxfs_trans_reserve(tp, &M_RES(mp)->tr_rename, |
48ea6cb9 DC |
1116 | nres, 0); |
1117 | if (err) | |
2bd0ea18 | 1118 | do_error( |
507f4e33 | 1119 | _("space reservation failed (%d), filesystem may be out of space\n"), |
2bd0ea18 NS |
1120 | err); |
1121 | ||
6c39a3cb | 1122 | libxfs_trans_ijoin(tp, orphanage_ip, 0); |
2bd0ea18 NS |
1123 | libxfs_trans_ijoin(tp, ino_p, 0); |
1124 | ||
56b2de80 | 1125 | xfs_bmap_init(&flist, &first); |
12b53197 | 1126 | err = -libxfs_dir_createname(tp, orphanage_ip, &xname, |
5e656dbb BN |
1127 | ino, &first, &flist, nres); |
1128 | if (err) | |
2bd0ea18 | 1129 | do_error( |
507f4e33 | 1130 | _("name create failed in %s (%d), filesystem may be out of space\n"), |
2bd0ea18 NS |
1131 | ORPHANAGE, err); |
1132 | ||
6c39a3cb BN |
1133 | if (irec) |
1134 | add_inode_ref(irec, ino_offset); | |
1135 | else | |
bcbe04c1 | 1136 | inc_nlink(VFS_I(orphanage_ip)); |
6c39a3cb | 1137 | libxfs_trans_log_inode(tp, orphanage_ip, XFS_ILOG_CORE); |
2bd0ea18 | 1138 | |
12b53197 | 1139 | err = -libxfs_dir_createname(tp, ino_p, &xfs_name_dotdot, |
5e656dbb BN |
1140 | orphanage_ino, &first, &flist, nres); |
1141 | if (err) | |
2bd0ea18 | 1142 | do_error( |
507f4e33 | 1143 | _("creation of .. entry failed (%d), filesystem may be out of space\n"), |
2bd0ea18 NS |
1144 | err); |
1145 | ||
bcbe04c1 | 1146 | inc_nlink(VFS_I(ino_p)); |
2bd0ea18 NS |
1147 | libxfs_trans_log_inode(tp, ino_p, XFS_ILOG_CORE); |
1148 | ||
0b66d459 | 1149 | err = -libxfs_bmap_finish(&tp, &flist, ino_p); |
5e656dbb | 1150 | if (err) |
2bd0ea18 | 1151 | do_error( |
507f4e33 | 1152 | _("bmap finish failed (err - %d), filesystem may be out of space\n"), |
2bd0ea18 NS |
1153 | err); |
1154 | ||
de5a3f46 | 1155 | libxfs_trans_commit(tp); |
2bd0ea18 | 1156 | } else { |
12b53197 | 1157 | err = -libxfs_trans_reserve(tp, &M_RES(mp)->tr_rename, |
48ea6cb9 DC |
1158 | nres, 0); |
1159 | if (err) | |
2bd0ea18 | 1160 | do_error( |
507f4e33 | 1161 | _("space reservation failed (%d), filesystem may be out of space\n"), |
2bd0ea18 NS |
1162 | err); |
1163 | ||
6c39a3cb | 1164 | libxfs_trans_ijoin(tp, orphanage_ip, 0); |
2bd0ea18 NS |
1165 | libxfs_trans_ijoin(tp, ino_p, 0); |
1166 | ||
56b2de80 | 1167 | xfs_bmap_init(&flist, &first); |
2bd0ea18 | 1168 | |
12b53197 | 1169 | err = -libxfs_dir_createname(tp, orphanage_ip, &xname, |
5e656dbb BN |
1170 | ino, &first, &flist, nres); |
1171 | if (err) | |
2bd0ea18 | 1172 | do_error( |
507f4e33 | 1173 | _("name create failed in %s (%d), filesystem may be out of space\n"), |
2bd0ea18 NS |
1174 | ORPHANAGE, err); |
1175 | ||
6c39a3cb BN |
1176 | if (irec) |
1177 | add_inode_ref(irec, ino_offset); | |
1178 | else | |
bcbe04c1 | 1179 | inc_nlink(VFS_I(orphanage_ip)); |
6c39a3cb | 1180 | libxfs_trans_log_inode(tp, orphanage_ip, XFS_ILOG_CORE); |
2bd0ea18 NS |
1181 | |
1182 | /* | |
1183 | * don't replace .. value if it already points | |
1184 | * to us. that'll pop a libxfs/kernel ASSERT. | |
1185 | */ | |
6c39a3cb | 1186 | if (entry_ino_num != orphanage_ino) { |
12b53197 | 1187 | err = -libxfs_dir_replace(tp, ino_p, |
5e656dbb BN |
1188 | &xfs_name_dotdot, orphanage_ino, |
1189 | &first, &flist, nres); | |
1190 | if (err) | |
2bd0ea18 | 1191 | do_error( |
507f4e33 | 1192 | _("name replace op failed (%d), filesystem may be out of space\n"), |
2bd0ea18 NS |
1193 | err); |
1194 | } | |
1195 | ||
0b66d459 | 1196 | err = -libxfs_bmap_finish(&tp, &flist, ino_p); |
5e656dbb | 1197 | if (err) |
2bd0ea18 | 1198 | do_error( |
507f4e33 | 1199 | _("bmap finish failed (%d), filesystem may be out of space\n"), |
2bd0ea18 NS |
1200 | err); |
1201 | ||
de5a3f46 | 1202 | libxfs_trans_commit(tp); |
2bd0ea18 | 1203 | } |
6c39a3cb | 1204 | |
2bd0ea18 NS |
1205 | } else { |
1206 | /* | |
1207 | * use the remove log reservation as that's | |
1208 | * more accurate. we're only creating the | |
1209 | * links, we're not doing the inode allocation | |
1210 | * also accounted for in the create | |
1211 | */ | |
5e656dbb | 1212 | nres = XFS_DIRENTER_SPACE_RES(mp, xname.len); |
12b53197 | 1213 | err = -libxfs_trans_reserve(tp, &M_RES(mp)->tr_remove, |
48ea6cb9 | 1214 | nres, 0); |
5e656dbb | 1215 | if (err) |
2bd0ea18 | 1216 | do_error( |
507f4e33 | 1217 | _("space reservation failed (%d), filesystem may be out of space\n"), |
2bd0ea18 NS |
1218 | err); |
1219 | ||
6c39a3cb | 1220 | libxfs_trans_ijoin(tp, orphanage_ip, 0); |
2bd0ea18 NS |
1221 | libxfs_trans_ijoin(tp, ino_p, 0); |
1222 | ||
56b2de80 | 1223 | xfs_bmap_init(&flist, &first); |
12b53197 | 1224 | err = -libxfs_dir_createname(tp, orphanage_ip, &xname, ino, |
5e656dbb BN |
1225 | &first, &flist, nres); |
1226 | if (err) | |
2bd0ea18 | 1227 | do_error( |
507f4e33 | 1228 | _("name create failed in %s (%d), filesystem may be out of space\n"), |
2bd0ea18 NS |
1229 | ORPHANAGE, err); |
1230 | ASSERT(err == 0); | |
1231 | ||
bcbe04c1 | 1232 | set_nlink(VFS_I(ino_p), 1); |
2bd0ea18 NS |
1233 | libxfs_trans_log_inode(tp, ino_p, XFS_ILOG_CORE); |
1234 | ||
0b66d459 | 1235 | err = -libxfs_bmap_finish(&tp, &flist, ino_p); |
5e656dbb | 1236 | if (err) |
2bd0ea18 | 1237 | do_error( |
507f4e33 | 1238 | _("bmap finish failed (%d), filesystem may be out of space\n"), |
2bd0ea18 NS |
1239 | err); |
1240 | ||
de5a3f46 | 1241 | libxfs_trans_commit(tp); |
2bd0ea18 | 1242 | } |
260c85e8 MT |
1243 | IRELE(ino_p); |
1244 | IRELE(orphanage_ip); | |
2bd0ea18 NS |
1245 | } |
1246 | ||
6c39a3cb BN |
1247 | static int |
1248 | entry_junked( | |
1249 | const char *msg, | |
1250 | const char *iname, | |
1251 | xfs_ino_t ino1, | |
1252 | xfs_ino_t ino2) | |
1253 | { | |
1254 | do_warn(msg, iname, ino1, ino2); | |
1255 | if (!no_modify) { | |
1256 | if (verbose) | |
1257 | do_warn(_(", marking entry to be junked\n")); | |
9a048535 DC |
1258 | else |
1259 | do_warn("\n"); | |
1260 | } else | |
1261 | do_warn(_(", would junk entry\n")); | |
1262 | return !no_modify; | |
2bd0ea18 NS |
1263 | } |
1264 | ||
33165ec3 BN |
1265 | /* |
1266 | * Unexpected failure during the rebuild will leave the entries in | |
1267 | * lost+found on the next run | |
1268 | */ | |
1269 | ||
0f012a4c | 1270 | static void |
33165ec3 | 1271 | longform_dir2_rebuild( |
6fa00c33 BN |
1272 | xfs_mount_t *mp, |
1273 | xfs_ino_t ino, | |
1274 | xfs_inode_t *ip, | |
1275 | ino_tree_node_t *irec, | |
1276 | int ino_offset, | |
1277 | dir_hash_tab_t *hashtab) | |
33165ec3 BN |
1278 | { |
1279 | int error; | |
1280 | int nres; | |
1281 | xfs_trans_t *tp; | |
1282 | xfs_fileoff_t lastblock; | |
1283 | xfs_fsblock_t firstblock; | |
1284 | xfs_bmap_free_t flist; | |
2556c98b | 1285 | xfs_inode_t pip; |
33165ec3 | 1286 | dir_hash_ent_t *p; |
33165ec3 | 1287 | int done; |
0f012a4c BN |
1288 | |
1289 | /* | |
33165ec3 BN |
1290 | * trash directory completely and rebuild from scratch using the |
1291 | * name/inode pairs in the hash table | |
1292 | */ | |
0f012a4c | 1293 | |
5d1b7f0f | 1294 | do_warn(_("rebuilding directory inode %" PRIu64 "\n"), ino); |
0f012a4c BN |
1295 | |
1296 | /* | |
6fa00c33 BN |
1297 | * first attempt to locate the parent inode, if it can't be |
1298 | * found, set it to the root inode and it'll be moved to the | |
1299 | * orphanage later (the inode number here needs to be valid | |
5e656dbb | 1300 | * for the libxfs_dir_init() call). |
33165ec3 | 1301 | */ |
6fa00c33 | 1302 | pip.i_ino = get_inode_parent(irec, ino_offset); |
01914f06 DW |
1303 | if (pip.i_ino == NULLFSINO || |
1304 | xfs_dir_ino_validate(mp, pip.i_ino)) | |
6fa00c33 | 1305 | pip.i_ino = mp->m_sb.sb_rootino; |
33165ec3 | 1306 | |
56b2de80 | 1307 | xfs_bmap_init(&flist, &firstblock); |
0f012a4c | 1308 | |
33165ec3 BN |
1309 | tp = libxfs_trans_alloc(mp, 0); |
1310 | nres = XFS_REMOVE_SPACE_RES(mp); | |
12b53197 | 1311 | error = -libxfs_trans_reserve(tp, &M_RES(mp)->tr_remove, nres, 0); |
33165ec3 BN |
1312 | if (error) |
1313 | res_failed(error); | |
1314 | libxfs_trans_ijoin(tp, ip, 0); | |
0f012a4c | 1315 | |
12b53197 | 1316 | if ((error = -libxfs_bmap_last_offset(ip, &lastblock, XFS_DATA_FORK))) |
0f012a4c | 1317 | do_error(_("xfs_bmap_last_offset failed -- error - %d\n"), |
33165ec3 | 1318 | error); |
0f012a4c | 1319 | |
33165ec3 | 1320 | /* free all data, leaf, node and freespace blocks */ |
12b53197 | 1321 | error = -libxfs_bunmapi(tp, ip, 0, lastblock, XFS_BMAPI_METADATA, 0, |
56b2de80 | 1322 | &firstblock, &flist, &done); |
5e656dbb | 1323 | if (error) { |
33165ec3 | 1324 | do_warn(_("xfs_bunmapi failed -- error - %d\n"), error); |
14e36e34 | 1325 | goto out_bmap_cancel; |
33165ec3 | 1326 | } |
0f012a4c | 1327 | |
33165ec3 BN |
1328 | ASSERT(done); |
1329 | ||
01914f06 DW |
1330 | error = libxfs_dir_init(tp, ip, &pip); |
1331 | if (error) { | |
1332 | do_warn(_("xfs_dir_init failed -- error - %d\n"), error); | |
1333 | goto out_bmap_cancel; | |
1334 | } | |
0f012a4c | 1335 | |
0b66d459 | 1336 | error = -libxfs_bmap_finish(&tp, &flist, ip); |
0f012a4c | 1337 | |
de5a3f46 | 1338 | libxfs_trans_commit(tp); |
0f012a4c | 1339 | |
1f60de28 ES |
1340 | if (ino == mp->m_sb.sb_rootino) |
1341 | need_root_dotdot = 0; | |
1342 | ||
33165ec3 BN |
1343 | /* go through the hash list and re-add the inodes */ |
1344 | ||
1345 | for (p = hashtab->first; p; p = p->nextbyorder) { | |
0f012a4c | 1346 | |
5e656dbb BN |
1347 | if (p->name.name[0] == '/' || (p->name.name[0] == '.' && |
1348 | (p->name.len == 1 || (p->name.len == 2 && | |
1349 | p->name.name[1] == '.')))) | |
33165ec3 | 1350 | continue; |
0f012a4c | 1351 | |
33165ec3 | 1352 | tp = libxfs_trans_alloc(mp, 0); |
5e656dbb | 1353 | nres = XFS_CREATE_SPACE_RES(mp, p->name.len); |
12b53197 | 1354 | error = -libxfs_trans_reserve(tp, &M_RES(mp)->tr_create, |
48ea6cb9 | 1355 | nres, 0); |
14e36e34 LZ |
1356 | if (error) |
1357 | res_failed(error); | |
33165ec3 BN |
1358 | |
1359 | libxfs_trans_ijoin(tp, ip, 0); | |
33165ec3 | 1360 | |
56b2de80 | 1361 | xfs_bmap_init(&flist, &firstblock); |
12b53197 | 1362 | error = -libxfs_dir_createname(tp, ip, &p->name, p->inum, |
5e656dbb BN |
1363 | &firstblock, &flist, nres); |
1364 | if (error) { | |
33165ec3 | 1365 | do_warn( |
5d1b7f0f | 1366 | _("name create failed in ino %" PRIu64 " (%d), filesystem may be out of space\n"), |
33165ec3 | 1367 | ino, error); |
14e36e34 | 1368 | goto out_bmap_cancel; |
33165ec3 BN |
1369 | } |
1370 | ||
0b66d459 | 1371 | error = -libxfs_bmap_finish(&tp, &flist, ip); |
5e656dbb | 1372 | if (error) { |
33165ec3 BN |
1373 | do_warn( |
1374 | _("bmap finish failed (%d), filesystem may be out of space\n"), | |
1375 | error); | |
14e36e34 | 1376 | goto out_bmap_cancel; |
33165ec3 | 1377 | } |
33165ec3 | 1378 | |
de5a3f46 | 1379 | libxfs_trans_commit(tp); |
33165ec3 | 1380 | } |
14e36e34 LZ |
1381 | |
1382 | return; | |
1383 | ||
1384 | out_bmap_cancel: | |
1385 | libxfs_bmap_cancel(&flist); | |
3d7434fe | 1386 | libxfs_trans_cancel(tp); |
14e36e34 | 1387 | return; |
33165ec3 BN |
1388 | } |
1389 | ||
1390 | ||
2bd0ea18 NS |
1391 | /* |
1392 | * Kill a block in a version 2 inode. | |
1393 | * Makes its own transaction. | |
1394 | */ | |
1395 | static void | |
1396 | dir2_kill_block( | |
1397 | xfs_mount_t *mp, | |
1398 | xfs_inode_t *ip, | |
1399 | xfs_dablk_t da_bno, | |
a2ceac1f | 1400 | struct xfs_buf *bp) |
2bd0ea18 NS |
1401 | { |
1402 | xfs_da_args_t args; | |
2bd0ea18 NS |
1403 | int error; |
1404 | xfs_fsblock_t firstblock; | |
1405 | xfs_bmap_free_t flist; | |
1406 | int nres; | |
1407 | xfs_trans_t *tp; | |
1408 | ||
1409 | tp = libxfs_trans_alloc(mp, 0); | |
1410 | nres = XFS_REMOVE_SPACE_RES(mp); | |
12b53197 | 1411 | error = -libxfs_trans_reserve(tp, &M_RES(mp)->tr_remove, nres, 0); |
2bd0ea18 NS |
1412 | if (error) |
1413 | res_failed(error); | |
1414 | libxfs_trans_ijoin(tp, ip, 0); | |
a2ceac1f | 1415 | libxfs_trans_bjoin(tp, bp); |
dab9b8d6 | 1416 | memset(&args, 0, sizeof(args)); |
56b2de80 | 1417 | xfs_bmap_init(&flist, &firstblock); |
2bd0ea18 NS |
1418 | args.dp = ip; |
1419 | args.trans = tp; | |
1420 | args.firstblock = &firstblock; | |
1421 | args.flist = &flist; | |
1422 | args.whichfork = XFS_DATA_FORK; | |
fe0591e7 | 1423 | args.geo = mp->m_dir_geo; |
ff105f75 | 1424 | if (da_bno >= mp->m_dir_geo->leafblk && da_bno < mp->m_dir_geo->freeblk) |
12b53197 | 1425 | error = -libxfs_da_shrink_inode(&args, da_bno, bp); |
2bd0ea18 | 1426 | else |
12b53197 | 1427 | error = -libxfs_dir2_shrink_inode(&args, |
ff105f75 | 1428 | xfs_dir2_da_to_db(mp->m_dir_geo, da_bno), bp); |
2bd0ea18 | 1429 | if (error) |
5d1b7f0f | 1430 | do_error(_("shrink_inode failed inode %" PRIu64 " block %u\n"), |
2bd0ea18 | 1431 | ip->i_ino, da_bno); |
0b66d459 | 1432 | libxfs_bmap_finish(&tp, &flist, ip); |
de5a3f46 | 1433 | libxfs_trans_commit(tp); |
2bd0ea18 NS |
1434 | } |
1435 | ||
1436 | /* | |
1437 | * process a data block, also checks for .. entry | |
1438 | * and corrects it to match what we think .. should be | |
1439 | */ | |
1440 | static void | |
1441 | longform_dir2_entry_check_data( | |
1442 | xfs_mount_t *mp, | |
1443 | xfs_inode_t *ip, | |
1444 | int *num_illegal, | |
1445 | int *need_dot, | |
2bd0ea18 NS |
1446 | ino_tree_node_t *current_irec, |
1447 | int current_ino_offset, | |
a2ceac1f | 1448 | struct xfs_buf **bpp, |
2bd0ea18 NS |
1449 | dir_hash_tab_t *hashtab, |
1450 | freetab_t **freetabp, | |
1451 | xfs_dablk_t da_bno, | |
1452 | int isblock) | |
1453 | { | |
1454 | xfs_dir2_dataptr_t addr; | |
1455 | xfs_dir2_leaf_entry_t *blp; | |
a2ceac1f | 1456 | struct xfs_buf *bp; |
2bd0ea18 | 1457 | xfs_dir2_block_tail_t *btp; |
a354abc8 | 1458 | struct xfs_dir2_data_hdr *d; |
2bd0ea18 NS |
1459 | xfs_dir2_db_t db; |
1460 | xfs_dir2_data_entry_t *dep; | |
1461 | xfs_dir2_data_unused_t *dup; | |
d2006f04 | 1462 | struct xfs_dir2_data_free *bf; |
2bd0ea18 NS |
1463 | char *endptr; |
1464 | int error; | |
1465 | xfs_fsblock_t firstblock; | |
1466 | xfs_bmap_free_t flist; | |
1467 | char fname[MAXNAMELEN + 1]; | |
1468 | freetab_t *freetab; | |
1469 | int i; | |
1470 | int ino_offset; | |
33165ec3 | 1471 | xfs_ino_t inum; |
2bd0ea18 NS |
1472 | ino_tree_node_t *irec; |
1473 | int junkit; | |
1474 | int lastfree; | |
1475 | int len; | |
1476 | int nbad; | |
1477 | int needlog; | |
1478 | int needscan; | |
1479 | xfs_ino_t parent; | |
1480 | char *ptr; | |
1481 | xfs_trans_t *tp; | |
1482 | int wantmagic; | |
ff105f75 DC |
1483 | struct xfs_da_args da = { |
1484 | .dp = ip, | |
a5459506 | 1485 | .geo = mp->m_dir_geo, |
ff105f75 DC |
1486 | }; |
1487 | ||
2bd0ea18 NS |
1488 | |
1489 | bp = *bpp; | |
a2ceac1f | 1490 | d = bp->b_addr; |
ff105f75 | 1491 | ptr = (char *)M_DIROPS(mp)->data_entry_p(d); |
2bd0ea18 NS |
1492 | nbad = 0; |
1493 | needscan = needlog = 0; | |
9d7d6241 | 1494 | junkit = 0; |
2bd0ea18 NS |
1495 | freetab = *freetabp; |
1496 | if (isblock) { | |
ff105f75 | 1497 | btp = xfs_dir2_block_tail_p(mp->m_dir_geo, d); |
5e656dbb | 1498 | blp = xfs_dir2_block_leaf_p(btp); |
2bd0ea18 NS |
1499 | endptr = (char *)blp; |
1500 | if (endptr > (char *)btp) | |
1501 | endptr = (char *)btp; | |
658ac3e3 DC |
1502 | if (xfs_sb_version_hascrc(&mp->m_sb)) |
1503 | wantmagic = XFS_DIR3_BLOCK_MAGIC; | |
1504 | else | |
1505 | wantmagic = XFS_DIR2_BLOCK_MAGIC; | |
2bd0ea18 | 1506 | } else { |
ff105f75 | 1507 | endptr = (char *)d + mp->m_dir_geo->blksize; |
658ac3e3 DC |
1508 | if (xfs_sb_version_hascrc(&mp->m_sb)) |
1509 | wantmagic = XFS_DIR3_DATA_MAGIC; | |
1510 | else | |
1511 | wantmagic = XFS_DIR2_DATA_MAGIC; | |
2bd0ea18 | 1512 | } |
ff105f75 | 1513 | db = xfs_dir2_da_to_db(mp->m_dir_geo, da_bno); |
9d7d6241 NS |
1514 | |
1515 | /* check for data block beyond expected end */ | |
2bd0ea18 NS |
1516 | if (freetab->naents <= db) { |
1517 | struct freetab_ent e; | |
1518 | ||
1519 | *freetabp = freetab = realloc(freetab, FREETAB_SIZE(db + 1)); | |
1520 | if (!freetab) { | |
15e3986b DC |
1521 | do_error(_("realloc failed in %s (%zu bytes)\n"), |
1522 | __func__, FREETAB_SIZE(db + 1)); | |
2bd0ea18 NS |
1523 | } |
1524 | e.v = NULLDATAOFF; | |
1525 | e.s = 0; | |
1526 | for (i = freetab->naents; i < db; i++) | |
1527 | freetab->ents[i] = e; | |
1528 | freetab->naents = db + 1; | |
1529 | } | |
9d7d6241 NS |
1530 | |
1531 | /* check the data block */ | |
2bd0ea18 | 1532 | while (ptr < endptr) { |
9d7d6241 NS |
1533 | |
1534 | /* check for freespace */ | |
2bd0ea18 | 1535 | dup = (xfs_dir2_data_unused_t *)ptr; |
5e656dbb | 1536 | if (XFS_DIR2_DATA_FREE_TAG == be16_to_cpu(dup->freetag)) { |
9d7d6241 NS |
1537 | |
1538 | /* check for invalid freespace length */ | |
5e656dbb BN |
1539 | if (ptr + be16_to_cpu(dup->length) > endptr || |
1540 | be16_to_cpu(dup->length) == 0 || | |
1541 | (be16_to_cpu(dup->length) & | |
1542 | (XFS_DIR2_DATA_ALIGN - 1))) | |
2bd0ea18 | 1543 | break; |
9d7d6241 NS |
1544 | |
1545 | /* check for invalid tag */ | |
5e656dbb BN |
1546 | if (be16_to_cpu(*xfs_dir2_data_unused_tag_p(dup)) != |
1547 | (char *)dup - (char *)d) | |
2bd0ea18 | 1548 | break; |
9d7d6241 NS |
1549 | |
1550 | /* check for block with no data entries */ | |
ff105f75 | 1551 | if ((ptr == (char *)M_DIROPS(mp)->data_entry_p(d)) && |
658ac3e3 | 1552 | (ptr + be16_to_cpu(dup->length) >= endptr)) { |
9d7d6241 NS |
1553 | junkit = 1; |
1554 | *num_illegal += 1; | |
1555 | break; | |
1556 | } | |
1557 | ||
1558 | /* continue at the end of the freespace */ | |
5e656dbb | 1559 | ptr += be16_to_cpu(dup->length); |
2bd0ea18 NS |
1560 | if (ptr >= endptr) |
1561 | break; | |
1562 | } | |
9d7d6241 NS |
1563 | |
1564 | /* validate data entry size */ | |
2bd0ea18 | 1565 | dep = (xfs_dir2_data_entry_t *)ptr; |
ff105f75 | 1566 | if (ptr + M_DIROPS(mp)->data_entsize(dep->namelen) > endptr) |
2bd0ea18 | 1567 | break; |
ff105f75 | 1568 | if (be16_to_cpu(*M_DIROPS(mp)->data_entry_tag_p(dep)) != |
5e656dbb | 1569 | (char *)dep - (char *)d) |
2bd0ea18 | 1570 | break; |
ff105f75 | 1571 | ptr += M_DIROPS(mp)->data_entsize(dep->namelen); |
2bd0ea18 | 1572 | } |
9d7d6241 NS |
1573 | |
1574 | /* did we find an empty or corrupt block? */ | |
2bd0ea18 | 1575 | if (ptr != endptr) { |
9d7d6241 | 1576 | if (junkit) { |
507f4e33 | 1577 | do_warn( |
5d1b7f0f | 1578 | _("empty data block %u in directory inode %" PRIu64 ": "), |
9d7d6241 NS |
1579 | da_bno, ip->i_ino); |
1580 | } else { | |
5d1b7f0f CH |
1581 | do_warn(_ |
1582 | ("corrupt block %u in directory inode %" PRIu64 ": "), | |
9d7d6241 NS |
1583 | da_bno, ip->i_ino); |
1584 | } | |
2bd0ea18 | 1585 | if (!no_modify) { |
507f4e33 | 1586 | do_warn(_("junking block\n")); |
2bd0ea18 NS |
1587 | dir2_kill_block(mp, ip, da_bno, bp); |
1588 | } else { | |
507f4e33 | 1589 | do_warn(_("would junk block\n")); |
a2ceac1f | 1590 | libxfs_putbuf(bp); |
2bd0ea18 NS |
1591 | } |
1592 | freetab->ents[db].v = NULLDATAOFF; | |
1593 | *bpp = NULL; | |
1594 | return; | |
1595 | } | |
9d7d6241 NS |
1596 | |
1597 | /* update number of data blocks processed */ | |
1598 | if (freetab->nents < db + 1) | |
1599 | freetab->nents = db + 1; | |
1600 | ||
2bd0ea18 | 1601 | tp = libxfs_trans_alloc(mp, 0); |
12b53197 | 1602 | error = -libxfs_trans_reserve(tp, &M_RES(mp)->tr_remove, 0, 0); |
2bd0ea18 NS |
1603 | if (error) |
1604 | res_failed(error); | |
ff105f75 | 1605 | da.trans = tp; |
2bd0ea18 | 1606 | libxfs_trans_ijoin(tp, ip, 0); |
a2ceac1f DC |
1607 | libxfs_trans_bjoin(tp, bp); |
1608 | libxfs_trans_bhold(tp, bp); | |
56b2de80 | 1609 | xfs_bmap_init(&flist, &firstblock); |
a354abc8 | 1610 | if (be32_to_cpu(d->magic) != wantmagic) { |
5d1b7f0f CH |
1611 | do_warn( |
1612 | _("bad directory block magic # %#x for directory inode %" PRIu64 " block %d: "), | |
a354abc8 | 1613 | be32_to_cpu(d->magic), ip->i_ino, da_bno); |
2bd0ea18 | 1614 | if (!no_modify) { |
507f4e33 | 1615 | do_warn(_("fixing magic # to %#x\n"), wantmagic); |
a354abc8 | 1616 | d->magic = cpu_to_be32(wantmagic); |
2bd0ea18 NS |
1617 | needlog = 1; |
1618 | } else | |
507f4e33 | 1619 | do_warn(_("would fix magic # to %#x\n"), wantmagic); |
2bd0ea18 NS |
1620 | } |
1621 | lastfree = 0; | |
ff105f75 | 1622 | ptr = (char *)M_DIROPS(mp)->data_entry_p(d); |
2bd0ea18 NS |
1623 | /* |
1624 | * look at each entry. reference inode pointed to by each | |
1625 | * entry in the incore inode tree. | |
1626 | * if not a directory, set reached flag, increment link count | |
1627 | * if a directory and reached, mark entry as to be deleted. | |
1628 | * if a directory, check to see if recorded parent | |
1629 | * matches current inode #, | |
1630 | * if so, then set reached flag, increment link count | |
1631 | * of current and child dir inodes, push the child | |
1632 | * directory inode onto the directory stack. | |
1633 | * if current inode != parent, then mark entry to be deleted. | |
1634 | */ | |
1635 | while (ptr < endptr) { | |
1636 | dup = (xfs_dir2_data_unused_t *)ptr; | |
5e656dbb | 1637 | if (be16_to_cpu(dup->freetag) == XFS_DIR2_DATA_FREE_TAG) { |
2bd0ea18 | 1638 | if (lastfree) { |
5d1b7f0f CH |
1639 | do_warn( |
1640 | _("directory inode %" PRIu64 " block %u has consecutive free entries: "), | |
2bd0ea18 NS |
1641 | ip->i_ino, da_bno); |
1642 | if (!no_modify) { | |
ff105f75 | 1643 | |
507f4e33 | 1644 | do_warn(_("joining together\n")); |
5e656dbb | 1645 | len = be16_to_cpu(dup->length); |
ff105f75 | 1646 | libxfs_dir2_data_use_free(&da, bp, dup, |
2bd0ea18 NS |
1647 | ptr - (char *)d, len, &needlog, |
1648 | &needscan); | |
ff105f75 | 1649 | libxfs_dir2_data_make_free(&da, bp, |
2bd0ea18 NS |
1650 | ptr - (char *)d, len, &needlog, |
1651 | &needscan); | |
1652 | } else | |
507f4e33 | 1653 | do_warn(_("would join together\n")); |
2bd0ea18 | 1654 | } |
5e656dbb | 1655 | ptr += be16_to_cpu(dup->length); |
2bd0ea18 NS |
1656 | lastfree = 1; |
1657 | continue; | |
1658 | } | |
ff105f75 DC |
1659 | addr = xfs_dir2_db_off_to_dataptr(mp->m_dir_geo, db, |
1660 | ptr - (char *)d); | |
2bd0ea18 | 1661 | dep = (xfs_dir2_data_entry_t *)ptr; |
ff105f75 | 1662 | ptr += M_DIROPS(mp)->data_entsize(dep->namelen); |
5e656dbb | 1663 | inum = be64_to_cpu(dep->inumber); |
2bd0ea18 | 1664 | lastfree = 0; |
2bd0ea18 NS |
1665 | /* |
1666 | * skip bogus entries (leading '/'). they'll be deleted | |
c7f277c9 NS |
1667 | * later. must still log it, else we leak references to |
1668 | * buffers. | |
2bd0ea18 NS |
1669 | */ |
1670 | if (dep->name[0] == '/') { | |
1671 | nbad++; | |
c7f277c9 | 1672 | if (!no_modify) |
ff105f75 | 1673 | libxfs_dir2_data_log_entry(&da, bp, dep); |
2bd0ea18 NS |
1674 | continue; |
1675 | } | |
2556c98b | 1676 | |
dab9b8d6 | 1677 | memmove(fname, dep->name, dep->namelen); |
2bd0ea18 | 1678 | fname[dep->namelen] = '\0'; |
33165ec3 | 1679 | ASSERT(inum != NULLFSINO); |
6c39a3cb | 1680 | |
1ae311d5 | 1681 | irec = find_inode_rec(mp, XFS_INO_TO_AGNO(mp, inum), |
6c39a3cb BN |
1682 | XFS_INO_TO_AGINO(mp, inum)); |
1683 | if (irec == NULL) { | |
1684 | nbad++; | |
5d1b7f0f CH |
1685 | if (entry_junked( |
1686 | _("entry \"%s\" in directory inode %" PRIu64 " points to non-existent inode %" PRIu64 ""), | |
6c39a3cb BN |
1687 | fname, ip->i_ino, inum)) { |
1688 | dep->name[0] = '/'; | |
ff105f75 | 1689 | libxfs_dir2_data_log_entry(&da, bp, dep); |
6c39a3cb BN |
1690 | } |
1691 | continue; | |
1692 | } | |
1693 | ino_offset = XFS_INO_TO_AGINO(mp, inum) - irec->ino_startnum; | |
1694 | ||
1695 | /* | |
1696 | * if it's a free inode, blow out the entry. | |
1697 | * by now, any inode that we think is free | |
1698 | * really is free. | |
1699 | */ | |
1700 | if (is_inode_free(irec, ino_offset)) { | |
1701 | nbad++; | |
5d1b7f0f | 1702 | if (entry_junked( |
b52923f3 | 1703 | _("entry \"%s\" in directory inode %" PRIu64 " points to free inode %" PRIu64), |
6c39a3cb BN |
1704 | fname, ip->i_ino, inum)) { |
1705 | dep->name[0] = '/'; | |
ff105f75 | 1706 | libxfs_dir2_data_log_entry(&da, bp, dep); |
6c39a3cb BN |
1707 | } |
1708 | continue; | |
1709 | } | |
1710 | ||
1711 | /* | |
1712 | * check if this inode is lost+found dir in the root | |
1713 | */ | |
1714 | if (inum == mp->m_sb.sb_rootino && strcmp(fname, ORPHANAGE) == 0) { | |
1715 | /* | |
1716 | * if it's not a directory, trash it | |
1717 | */ | |
1718 | if (!inode_isadir(irec, ino_offset)) { | |
1719 | nbad++; | |
5d1b7f0f CH |
1720 | if (entry_junked( |
1721 | _("%s (ino %" PRIu64 ") in root (%" PRIu64 ") is not a directory"), | |
6c39a3cb BN |
1722 | ORPHANAGE, inum, ip->i_ino)) { |
1723 | dep->name[0] = '/'; | |
ff105f75 | 1724 | libxfs_dir2_data_log_entry(&da, bp, dep); |
6c39a3cb BN |
1725 | } |
1726 | continue; | |
1727 | } | |
1728 | /* | |
1729 | * if this is a dup, it will be picked up below, | |
1730 | * otherwise, mark it as the orphanage for later. | |
1731 | */ | |
1732 | if (!orphanage_ino) | |
1733 | orphanage_ino = inum; | |
1734 | } | |
aaca101b | 1735 | |
6c39a3cb BN |
1736 | /* |
1737 | * check for duplicate names in directory. | |
1738 | */ | |
51ca7008 | 1739 | if (!dir_hash_add(mp, hashtab, addr, inum, dep->namelen, |
ff105f75 | 1740 | dep->name, M_DIROPS(mp)->data_get_ftype(dep))) { |
6c39a3cb | 1741 | nbad++; |
5d1b7f0f CH |
1742 | if (entry_junked( |
1743 | _("entry \"%s\" (ino %" PRIu64 ") in dir %" PRIu64 " is a duplicate name"), | |
6c39a3cb BN |
1744 | fname, inum, ip->i_ino)) { |
1745 | dep->name[0] = '/'; | |
ff105f75 | 1746 | libxfs_dir2_data_log_entry(&da, bp, dep); |
6c39a3cb BN |
1747 | } |
1748 | if (inum == orphanage_ino) | |
1749 | orphanage_ino = 0; | |
1750 | continue; | |
1751 | } | |
1752 | ||
575ca697 BN |
1753 | /* |
1754 | * if just scanning to rebuild a directory due to a ".." | |
1755 | * update, just continue | |
1756 | */ | |
1757 | if (dotdot_update) | |
1758 | continue; | |
1759 | ||
2bd0ea18 NS |
1760 | /* |
1761 | * skip the '..' entry since it's checked when the | |
1762 | * directory is reached by something else. if it never | |
1763 | * gets reached, it'll be moved to the orphanage and we'll | |
6fa00c33 BN |
1764 | * take care of it then. If it doesn't exist at all, the |
1765 | * directory needs to be rebuilt first before being added | |
1766 | * to the orphanage. | |
2bd0ea18 NS |
1767 | */ |
1768 | if (dep->namelen == 2 && dep->name[0] == '.' && | |
6fa00c33 BN |
1769 | dep->name[1] == '.') { |
1770 | if (da_bno != 0) { | |
1771 | /* ".." should be in the first block */ | |
1772 | nbad++; | |
5d1b7f0f CH |
1773 | if (entry_junked( |
1774 | _("entry \"%s\" (ino %" PRIu64 ") in dir %" PRIu64 " is not in the the first block"), fname, | |
6fa00c33 BN |
1775 | inum, ip->i_ino)) { |
1776 | dep->name[0] = '/'; | |
ff105f75 | 1777 | libxfs_dir2_data_log_entry(&da, bp, dep); |
6fa00c33 BN |
1778 | } |
1779 | } | |
2bd0ea18 | 1780 | continue; |
6fa00c33 | 1781 | } |
33165ec3 | 1782 | ASSERT(no_modify || !verify_inum(mp, inum)); |
2bd0ea18 NS |
1783 | /* |
1784 | * special case the . entry. we know there's only one | |
1785 | * '.' and only '.' points to itself because bogus entries | |
1786 | * got trashed in phase 3 if there were > 1. | |
1787 | * bump up link count for '.' but don't set reached | |
1788 | * until we're actually reached by another directory | |
1789 | * '..' is already accounted for or will be taken care | |
1790 | * of when directory is moved to orphanage. | |
1791 | */ | |
33165ec3 | 1792 | if (ip->i_ino == inum) { |
2bd0ea18 NS |
1793 | ASSERT(dep->name[0] == '.' && dep->namelen == 1); |
1794 | add_inode_ref(current_irec, current_ino_offset); | |
658ac3e3 | 1795 | if (da_bno != 0 || |
ff105f75 | 1796 | dep != M_DIROPS(mp)->data_entry_p(d)) { |
6fa00c33 BN |
1797 | /* "." should be the first entry */ |
1798 | nbad++; | |
5d1b7f0f CH |
1799 | if (entry_junked( |
1800 | _("entry \"%s\" in dir %" PRIu64 " is not the first entry"), | |
6fa00c33 BN |
1801 | fname, inum, ip->i_ino)) { |
1802 | dep->name[0] = '/'; | |
ff105f75 | 1803 | libxfs_dir2_data_log_entry(&da, bp, dep); |
6fa00c33 BN |
1804 | } |
1805 | } | |
2bd0ea18 NS |
1806 | *need_dot = 0; |
1807 | continue; | |
1808 | } | |
2bd0ea18 NS |
1809 | /* |
1810 | * skip entries with bogus inumbers if we're in no modify mode | |
1811 | */ | |
33165ec3 | 1812 | if (no_modify && verify_inum(mp, inum)) |
2bd0ea18 | 1813 | continue; |
aaca101b DC |
1814 | |
1815 | /* validate ftype field if supported */ | |
1816 | if (xfs_sb_version_hasftype(&mp->m_sb)) { | |
1817 | __uint8_t dir_ftype; | |
1818 | __uint8_t ino_ftype; | |
1819 | ||
ff105f75 | 1820 | dir_ftype = M_DIROPS(mp)->data_get_ftype(dep); |
aaca101b DC |
1821 | ino_ftype = get_inode_ftype(irec, ino_offset); |
1822 | ||
1823 | if (dir_ftype != ino_ftype) { | |
1824 | if (no_modify) { | |
1825 | do_warn( | |
1826 | _("would fix ftype mismatch (%d/%d) in directory/child inode %" PRIu64 "/%" PRIu64 "\n"), | |
1827 | dir_ftype, ino_ftype, | |
1828 | ip->i_ino, inum); | |
1829 | } else { | |
1830 | do_warn( | |
1831 | _("fixing ftype mismatch (%d/%d) in directory/child inode %" PRIu64 "/%" PRIu64 "\n"), | |
1832 | dir_ftype, ino_ftype, | |
1833 | ip->i_ino, inum); | |
ff105f75 | 1834 | M_DIROPS(mp)->data_put_ftype(dep, |
aaca101b | 1835 | ino_ftype); |
ff105f75 | 1836 | libxfs_dir2_data_log_entry(&da, bp, dep); |
aaca101b DC |
1837 | dir_hash_update_ftype(hashtab, addr, |
1838 | ino_ftype); | |
1839 | } | |
1840 | } | |
1841 | } | |
1842 | ||
2bd0ea18 NS |
1843 | /* |
1844 | * check easy case first, regular inode, just bump | |
1845 | * the link count and continue | |
1846 | */ | |
1847 | if (!inode_isadir(irec, ino_offset)) { | |
1848 | add_inode_reached(irec, ino_offset); | |
1849 | continue; | |
1850 | } | |
1851 | parent = get_inode_parent(irec, ino_offset); | |
1852 | ASSERT(parent != 0); | |
6c39a3cb | 1853 | junkit = 0; |
2bd0ea18 NS |
1854 | /* |
1855 | * bump up the link counts in parent and child | |
1856 | * directory but if the link doesn't agree with | |
1857 | * the .. in the child, blow out the entry. | |
1858 | * if the directory has already been reached, | |
1859 | * blow away the entry also. | |
1860 | */ | |
1861 | if (is_inode_reached(irec, ino_offset)) { | |
1862 | junkit = 1; | |
507f4e33 | 1863 | do_warn( |
5d1b7f0f | 1864 | _("entry \"%s\" in dir %" PRIu64" points to an already connected directory inode %" PRIu64 "\n"), |
33165ec3 | 1865 | fname, ip->i_ino, inum); |
2bd0ea18 NS |
1866 | } else if (parent == ip->i_ino) { |
1867 | add_inode_reached(irec, ino_offset); | |
1868 | add_inode_ref(current_irec, current_ino_offset); | |
6fa00c33 BN |
1869 | } else if (parent == NULLFSINO) { |
1870 | /* ".." was missing, but this entry refers to it, | |
1871 | so, set it as the parent and mark for rebuild */ | |
5d1b7f0f CH |
1872 | do_warn( |
1873 | _("entry \"%s\" in dir ino %" PRIu64 " doesn't have a .. entry, will set it in ino %" PRIu64 ".\n"), | |
6fa00c33 BN |
1874 | fname, ip->i_ino, inum); |
1875 | set_inode_parent(irec, ino_offset, ip->i_ino); | |
1876 | add_inode_reached(irec, ino_offset); | |
1877 | add_inode_ref(current_irec, current_ino_offset); | |
575ca697 BN |
1878 | add_dotdot_update(XFS_INO_TO_AGNO(mp, inum), irec, |
1879 | ino_offset); | |
2bd0ea18 NS |
1880 | } else { |
1881 | junkit = 1; | |
507f4e33 | 1882 | do_warn( |
5d1b7f0f | 1883 | _("entry \"%s\" in dir inode %" PRIu64 " inconsistent with .. value (%" PRIu64 ") in ino %" PRIu64 "\n"), |
33165ec3 | 1884 | fname, ip->i_ino, parent, inum); |
2bd0ea18 NS |
1885 | } |
1886 | if (junkit) { | |
6c39a3cb BN |
1887 | if (inum == orphanage_ino) |
1888 | orphanage_ino = 0; | |
2bd0ea18 NS |
1889 | nbad++; |
1890 | if (!no_modify) { | |
1891 | dep->name[0] = '/'; | |
ff105f75 | 1892 | libxfs_dir2_data_log_entry(&da, bp, dep); |
6c39a3cb | 1893 | if (verbose) |
507f4e33 NS |
1894 | do_warn( |
1895 | _("\twill clear entry \"%s\"\n"), | |
2bd0ea18 NS |
1896 | fname); |
1897 | } else { | |
507f4e33 NS |
1898 | do_warn(_("\twould clear entry \"%s\"\n"), |
1899 | fname); | |
2bd0ea18 NS |
1900 | } |
1901 | } | |
1902 | } | |
1903 | *num_illegal += nbad; | |
1904 | if (needscan) | |
ff105f75 | 1905 | libxfs_dir2_data_freescan(mp->m_dir_geo, M_DIROPS(mp), d, &i); |
2bd0ea18 | 1906 | if (needlog) |
ff105f75 | 1907 | libxfs_dir2_data_log_header(&da, bp); |
0b66d459 | 1908 | libxfs_bmap_finish(&tp, &flist, ip); |
de5a3f46 | 1909 | libxfs_trans_commit(tp); |
d2006f04 DC |
1910 | |
1911 | /* record the largest free space in the freetab for later checking */ | |
ff105f75 | 1912 | bf = M_DIROPS(mp)->data_bestfree_p(d); |
d2006f04 | 1913 | freetab->ents[db].v = be16_to_cpu(bf[0].length); |
2bd0ea18 NS |
1914 | freetab->ents[db].s = 0; |
1915 | } | |
1916 | ||
0519f662 DW |
1917 | /* check v5 metadata */ |
1918 | static int | |
1919 | __check_dir3_header( | |
1920 | struct xfs_mount *mp, | |
1921 | struct xfs_buf *bp, | |
1922 | xfs_ino_t ino, | |
1923 | __be64 owner, | |
1924 | __be64 blkno, | |
1925 | uuid_t *uuid) | |
1926 | { | |
1927 | ||
1928 | /* verify owner */ | |
1929 | if (be64_to_cpu(owner) != ino) { | |
1930 | do_warn( | |
1931 | _("expected owner inode %" PRIu64 ", got %llu, directory block %" PRIu64 "\n"), | |
1932 | ino, be64_to_cpu(owner), bp->b_bn); | |
1933 | return 1; | |
1934 | } | |
1935 | /* verify block number */ | |
1936 | if (be64_to_cpu(blkno) != bp->b_bn) { | |
1937 | do_warn( | |
1938 | _("expected block %" PRIu64 ", got %llu, directory inode %" PRIu64 "\n"), | |
1939 | bp->b_bn, be64_to_cpu(blkno), ino); | |
1940 | return 1; | |
1941 | } | |
1942 | /* verify uuid */ | |
f31982ae | 1943 | if (platform_uuid_compare(uuid, &mp->m_sb.sb_meta_uuid) != 0) { |
0519f662 DW |
1944 | do_warn( |
1945 | _("wrong FS UUID, directory inode %" PRIu64 " block %" PRIu64 "\n"), | |
1946 | ino, bp->b_bn); | |
1947 | return 1; | |
1948 | } | |
1949 | ||
1950 | return 0; | |
1951 | } | |
1952 | ||
1953 | static int | |
1954 | check_da3_header( | |
1955 | struct xfs_mount *mp, | |
1956 | struct xfs_buf *bp, | |
1957 | xfs_ino_t ino) | |
1958 | { | |
1959 | struct xfs_da3_blkinfo *info = bp->b_addr; | |
1960 | ||
1961 | return __check_dir3_header(mp, bp, ino, info->owner, info->blkno, | |
1962 | &info->uuid); | |
1963 | } | |
1964 | ||
1965 | static int | |
1966 | check_dir3_header( | |
1967 | struct xfs_mount *mp, | |
1968 | struct xfs_buf *bp, | |
1969 | xfs_ino_t ino) | |
1970 | { | |
1971 | struct xfs_dir3_blk_hdr *info = bp->b_addr; | |
1972 | ||
1973 | return __check_dir3_header(mp, bp, ino, info->owner, info->blkno, | |
1974 | &info->uuid); | |
1975 | } | |
1976 | ||
2bd0ea18 NS |
1977 | /* |
1978 | * Check contents of leaf-form block. | |
1979 | */ | |
2556c98b | 1980 | static int |
2bd0ea18 NS |
1981 | longform_dir2_check_leaf( |
1982 | xfs_mount_t *mp, | |
1983 | xfs_inode_t *ip, | |
1984 | dir_hash_tab_t *hashtab, | |
1985 | freetab_t *freetab) | |
1986 | { | |
1987 | int badtail; | |
5e656dbb | 1988 | __be16 *bestsp; |
a2ceac1f | 1989 | struct xfs_buf *bp; |
2bd0ea18 NS |
1990 | xfs_dablk_t da_bno; |
1991 | int i; | |
1992 | xfs_dir2_leaf_t *leaf; | |
1993 | xfs_dir2_leaf_tail_t *ltp; | |
1994 | int seeval; | |
65b80c98 | 1995 | struct xfs_dir2_leaf_entry *ents; |
658ac3e3 | 1996 | struct xfs_dir3_icleaf_hdr leafhdr; |
8e7e14be DC |
1997 | int error; |
1998 | int fixit = 0; | |
2bd0ea18 | 1999 | |
ff105f75 | 2000 | da_bno = mp->m_dir_geo->leafblk; |
8e7e14be DC |
2001 | error = dir_read_buf(ip, da_bno, -1, &bp, &xfs_dir3_leaf1_buf_ops, |
2002 | &fixit); | |
ba1c6776 DW |
2003 | if (error == EFSBADCRC || error == EFSCORRUPTED || fixit) { |
2004 | do_warn( | |
2005 | _("leaf block %u for directory inode %" PRIu64 " bad CRC\n"), | |
2006 | da_bno, ip->i_ino); | |
2007 | return 1; | |
2008 | } else if (error) { | |
5d1b7f0f | 2009 | do_error( |
8e7e14be DC |
2010 | _("can't read block %u for directory inode %" PRIu64 ", error %d\n"), |
2011 | da_bno, ip->i_ino, error); | |
2bd0ea18 NS |
2012 | /* NOTREACHED */ |
2013 | } | |
8e7e14be | 2014 | |
a2ceac1f | 2015 | leaf = bp->b_addr; |
ff105f75 DC |
2016 | M_DIROPS(mp)->leaf_hdr_from_disk(&leafhdr, leaf); |
2017 | ents = M_DIROPS(mp)->leaf_ents_p(leaf); | |
2018 | ltp = xfs_dir2_leaf_tail_p(mp->m_dir_geo, leaf); | |
5e656dbb | 2019 | bestsp = xfs_dir2_leaf_bests_p(ltp); |
658ac3e3 DC |
2020 | if (!(leafhdr.magic == XFS_DIR2_LEAF1_MAGIC || |
2021 | leafhdr.magic == XFS_DIR3_LEAF1_MAGIC) || | |
2022 | leafhdr.forw || leafhdr.back || | |
5eb1ac90 | 2023 | leafhdr.count < leafhdr.stale || |
658ac3e3 | 2024 | leafhdr.count > |
ff105f75 | 2025 | M_DIROPS(mp)->leaf_max_ents(mp->m_dir_geo) || |
658ac3e3 | 2026 | (char *)&ents[leafhdr.count] > (char *)bestsp) { |
507f4e33 | 2027 | do_warn( |
5d1b7f0f | 2028 | _("leaf block %u for directory inode %" PRIu64 " bad header\n"), |
2bd0ea18 | 2029 | da_bno, ip->i_ino); |
a2ceac1f | 2030 | libxfs_putbuf(bp); |
2bd0ea18 NS |
2031 | return 1; |
2032 | } | |
0519f662 DW |
2033 | |
2034 | if (leafhdr.magic == XFS_DIR3_LEAF1_MAGIC) { | |
2035 | error = check_da3_header(mp, bp, ip->i_ino); | |
2036 | if (error) { | |
2037 | libxfs_putbuf(bp); | |
2038 | return error; | |
2039 | } | |
2040 | } | |
2041 | ||
658ac3e3 | 2042 | seeval = dir_hash_see_all(hashtab, ents, leafhdr.count, leafhdr.stale); |
2bd0ea18 | 2043 | if (dir_hash_check(hashtab, ip, seeval)) { |
a2ceac1f | 2044 | libxfs_putbuf(bp); |
2bd0ea18 NS |
2045 | return 1; |
2046 | } | |
5e656dbb BN |
2047 | badtail = freetab->nents != be32_to_cpu(ltp->bestcount); |
2048 | for (i = 0; !badtail && i < be32_to_cpu(ltp->bestcount); i++) { | |
2bd0ea18 | 2049 | freetab->ents[i].s = 1; |
5e656dbb | 2050 | badtail = freetab->ents[i].v != be16_to_cpu(bestsp[i]); |
2bd0ea18 NS |
2051 | } |
2052 | if (badtail) { | |
5d1b7f0f CH |
2053 | do_warn( |
2054 | _("leaf block %u for directory inode %" PRIu64 " bad tail\n"), | |
2bd0ea18 | 2055 | da_bno, ip->i_ino); |
a2ceac1f | 2056 | libxfs_putbuf(bp); |
2bd0ea18 NS |
2057 | return 1; |
2058 | } | |
a2ceac1f | 2059 | libxfs_putbuf(bp); |
8e7e14be | 2060 | return fixit; |
2bd0ea18 NS |
2061 | } |
2062 | ||
2063 | /* | |
2064 | * Check contents of the node blocks (leaves) | |
2065 | * Looks for matching hash values for the data entries. | |
2066 | */ | |
2556c98b | 2067 | static int |
2bd0ea18 NS |
2068 | longform_dir2_check_node( |
2069 | xfs_mount_t *mp, | |
2070 | xfs_inode_t *ip, | |
2071 | dir_hash_tab_t *hashtab, | |
2072 | freetab_t *freetab) | |
2073 | { | |
a2ceac1f | 2074 | struct xfs_buf *bp; |
2bd0ea18 NS |
2075 | xfs_dablk_t da_bno; |
2076 | xfs_dir2_db_t fdb; | |
2077 | xfs_dir2_free_t *free; | |
2078 | int i; | |
2079 | xfs_dir2_leaf_t *leaf; | |
2080 | xfs_fileoff_t next_da_bno; | |
2081 | int seeval = 0; | |
2082 | int used; | |
65b80c98 | 2083 | struct xfs_dir2_leaf_entry *ents; |
658ac3e3 DC |
2084 | struct xfs_dir3_icleaf_hdr leafhdr; |
2085 | struct xfs_dir3_icfree_hdr freehdr; | |
2086 | __be16 *bests; | |
8e7e14be DC |
2087 | int error; |
2088 | int fixit = 0; | |
0f012a4c | 2089 | |
ff105f75 DC |
2090 | for (da_bno = mp->m_dir_geo->leafblk, next_da_bno = 0; |
2091 | next_da_bno != NULLFILEOFF && da_bno < mp->m_dir_geo->freeblk; | |
5e656dbb | 2092 | da_bno = (xfs_dablk_t)next_da_bno) { |
ff105f75 | 2093 | next_da_bno = da_bno + mp->m_dir_geo->fsbcount - 1; |
5e656dbb | 2094 | if (bmap_next_offset(NULL, ip, &next_da_bno, XFS_DATA_FORK)) |
2bd0ea18 | 2095 | break; |
9b981421 DC |
2096 | |
2097 | /* | |
2098 | * we need to use the da3 node verifier here as it handles the | |
2099 | * fact that reading the leaf hash tree blocks can return either | |
2100 | * leaf or node blocks and calls the correct verifier. If we get | |
2101 | * a node block, then we'll skip it below based on a magic | |
2102 | * number check. | |
2103 | */ | |
8e7e14be DC |
2104 | error = dir_read_buf(ip, da_bno, -1, &bp, |
2105 | &xfs_da3_node_buf_ops, &fixit); | |
2106 | if (error) { | |
33165ec3 | 2107 | do_warn( |
8e7e14be DC |
2108 | _("can't read leaf block %u for directory inode %" PRIu64 ", error %d\n"), |
2109 | da_bno, ip->i_ino, error); | |
33165ec3 | 2110 | return 1; |
2bd0ea18 | 2111 | } |
a2ceac1f | 2112 | leaf = bp->b_addr; |
ff105f75 DC |
2113 | M_DIROPS(mp)->leaf_hdr_from_disk(&leafhdr, leaf); |
2114 | ents = M_DIROPS(mp)->leaf_ents_p(leaf); | |
658ac3e3 | 2115 | if (!(leafhdr.magic == XFS_DIR2_LEAFN_MAGIC || |
0519f662 DW |
2116 | leafhdr.magic == XFS_DIR3_LEAFN_MAGIC || |
2117 | leafhdr.magic == XFS_DA_NODE_MAGIC || | |
2118 | leafhdr.magic == XFS_DA3_NODE_MAGIC)) { | |
5d1b7f0f CH |
2119 | do_warn( |
2120 | _("unknown magic number %#x for block %u in directory inode %" PRIu64 "\n"), | |
658ac3e3 | 2121 | leafhdr.magic, da_bno, ip->i_ino); |
a2ceac1f | 2122 | libxfs_putbuf(bp); |
2bd0ea18 NS |
2123 | return 1; |
2124 | } | |
8e7e14be | 2125 | |
0519f662 DW |
2126 | /* check v5 metadata */ |
2127 | if (leafhdr.magic == XFS_DIR3_LEAFN_MAGIC || | |
2128 | leafhdr.magic == XFS_DA3_NODE_MAGIC) { | |
2129 | error = check_da3_header(mp, bp, ip->i_ino); | |
2130 | if (error) { | |
2131 | libxfs_putbuf(bp); | |
2132 | return error; | |
2133 | } | |
2134 | } | |
2135 | ||
2136 | /* ignore nodes */ | |
2137 | if (leafhdr.magic == XFS_DA_NODE_MAGIC || | |
2138 | leafhdr.magic == XFS_DA3_NODE_MAGIC) { | |
2139 | libxfs_putbuf(bp); | |
2140 | continue; | |
2141 | } | |
2142 | ||
8e7e14be DC |
2143 | /* |
2144 | * If there's a validator error, we need to ensure that we got | |
2145 | * the right ops on the buffer for when we write it back out. | |
2146 | */ | |
2147 | bp->b_ops = &xfs_dir3_leafn_buf_ops; | |
ff105f75 | 2148 | if (leafhdr.count > M_DIROPS(mp)->leaf_max_ents(mp->m_dir_geo) || |
658ac3e3 | 2149 | leafhdr.count < leafhdr.stale) { |
5d1b7f0f CH |
2150 | do_warn( |
2151 | _("leaf block %u for directory inode %" PRIu64 " bad header\n"), | |
2bd0ea18 | 2152 | da_bno, ip->i_ino); |
a2ceac1f | 2153 | libxfs_putbuf(bp); |
2bd0ea18 NS |
2154 | return 1; |
2155 | } | |
65b80c98 | 2156 | seeval = dir_hash_see_all(hashtab, ents, |
658ac3e3 | 2157 | leafhdr.count, leafhdr.stale); |
a2ceac1f | 2158 | libxfs_putbuf(bp); |
0f012a4c | 2159 | if (seeval != DIR_HASH_CK_OK) |
2bd0ea18 NS |
2160 | return 1; |
2161 | } | |
0f012a4c | 2162 | if (dir_hash_check(hashtab, ip, seeval)) |
2bd0ea18 | 2163 | return 1; |
0f012a4c | 2164 | |
ff105f75 | 2165 | for (da_bno = mp->m_dir_geo->freeblk, next_da_bno = 0; |
2bd0ea18 NS |
2166 | next_da_bno != NULLFILEOFF; |
2167 | da_bno = (xfs_dablk_t)next_da_bno) { | |
ff105f75 | 2168 | next_da_bno = da_bno + mp->m_dir_geo->fsbcount - 1; |
5e656dbb | 2169 | if (bmap_next_offset(NULL, ip, &next_da_bno, XFS_DATA_FORK)) |
2bd0ea18 | 2170 | break; |
8e7e14be DC |
2171 | |
2172 | error = dir_read_buf(ip, da_bno, -1, &bp, | |
2173 | &xfs_dir3_free_buf_ops, &fixit); | |
2174 | if (error) { | |
33165ec3 | 2175 | do_warn( |
8e7e14be DC |
2176 | _("can't read freespace block %u for directory inode %" PRIu64 ", error %d\n"), |
2177 | da_bno, ip->i_ino, error); | |
33165ec3 | 2178 | return 1; |
2bd0ea18 | 2179 | } |
a2ceac1f | 2180 | free = bp->b_addr; |
ff105f75 DC |
2181 | M_DIROPS(mp)->free_hdr_from_disk(&freehdr, free); |
2182 | bests = M_DIROPS(mp)->free_bests_p(free); | |
2183 | fdb = xfs_dir2_da_to_db(mp->m_dir_geo, da_bno); | |
658ac3e3 DC |
2184 | if (!(freehdr.magic == XFS_DIR2_FREE_MAGIC || |
2185 | freehdr.magic == XFS_DIR3_FREE_MAGIC) || | |
ff105f75 DC |
2186 | freehdr.firstdb != |
2187 | (fdb - xfs_dir2_byte_to_db(mp->m_dir_geo, XFS_DIR2_FREE_OFFSET)) * | |
2188 | M_DIROPS(mp)->free_max_bests(mp->m_dir_geo) || | |
2189 | freehdr.nvalid < freehdr.nused) { | |
5d1b7f0f CH |
2190 | do_warn( |
2191 | _("free block %u for directory inode %" PRIu64 " bad header\n"), | |
2bd0ea18 | 2192 | da_bno, ip->i_ino); |
a2ceac1f | 2193 | libxfs_putbuf(bp); |
2bd0ea18 NS |
2194 | return 1; |
2195 | } | |
0519f662 DW |
2196 | |
2197 | if (freehdr.magic == XFS_DIR3_FREE_MAGIC) { | |
2198 | error = check_dir3_header(mp, bp, ip->i_ino); | |
2199 | if (error) { | |
2200 | libxfs_putbuf(bp); | |
2201 | return error; | |
2202 | } | |
2203 | } | |
658ac3e3 DC |
2204 | for (i = used = 0; i < freehdr.nvalid; i++) { |
2205 | if (i + freehdr.firstdb >= freetab->nents || | |
2206 | freetab->ents[i + freehdr.firstdb].v != | |
2207 | be16_to_cpu(bests[i])) { | |
507f4e33 | 2208 | do_warn( |
5d1b7f0f | 2209 | _("free block %u entry %i for directory ino %" PRIu64 " bad\n"), |
2bd0ea18 | 2210 | da_bno, i, ip->i_ino); |
a2ceac1f | 2211 | libxfs_putbuf(bp); |
2bd0ea18 NS |
2212 | return 1; |
2213 | } | |
658ac3e3 DC |
2214 | used += be16_to_cpu(bests[i]) != NULLDATAOFF; |
2215 | freetab->ents[i + freehdr.firstdb].s = 1; | |
2bd0ea18 | 2216 | } |
658ac3e3 | 2217 | if (used != freehdr.nused) { |
5d1b7f0f CH |
2218 | do_warn( |
2219 | _("free block %u for directory inode %" PRIu64 " bad nused\n"), | |
2bd0ea18 | 2220 | da_bno, ip->i_ino); |
a2ceac1f | 2221 | libxfs_putbuf(bp); |
2bd0ea18 NS |
2222 | return 1; |
2223 | } | |
a2ceac1f | 2224 | libxfs_putbuf(bp); |
2bd0ea18 NS |
2225 | } |
2226 | for (i = 0; i < freetab->nents; i++) { | |
4b6a2d8e NS |
2227 | if ((freetab->ents[i].s == 0) && |
2228 | (freetab->ents[i].v != NULLDATAOFF)) { | |
5d1b7f0f CH |
2229 | do_warn( |
2230 | _("missing freetab entry %u for directory inode %" PRIu64 "\n"), | |
2bd0ea18 NS |
2231 | i, ip->i_ino); |
2232 | return 1; | |
2233 | } | |
2234 | } | |
8e7e14be | 2235 | return fixit; |
2bd0ea18 NS |
2236 | } |
2237 | ||
2238 | /* | |
33165ec3 BN |
2239 | * If a directory is corrupt, we need to read in as many entries as possible, |
2240 | * destroy the entry and create a new one with recovered name/inode pairs. | |
2241 | * (ie. get libxfs to do all the grunt work) | |
2bd0ea18 | 2242 | */ |
2556c98b | 2243 | static void |
2bd0ea18 NS |
2244 | longform_dir2_entry_check(xfs_mount_t *mp, |
2245 | xfs_ino_t ino, | |
2246 | xfs_inode_t *ip, | |
2247 | int *num_illegal, | |
2248 | int *need_dot, | |
2bd0ea18 | 2249 | ino_tree_node_t *irec, |
64c54486 | 2250 | int ino_offset, |
33165ec3 | 2251 | dir_hash_tab_t *hashtab) |
2bd0ea18 | 2252 | { |
a2ceac1f | 2253 | struct xfs_buf **bplist; |
2bd0ea18 NS |
2254 | xfs_dablk_t da_bno; |
2255 | freetab_t *freetab; | |
95dff16b | 2256 | int num_bps; |
2bd0ea18 NS |
2257 | int i; |
2258 | int isblock; | |
2259 | int isleaf; | |
2260 | xfs_fileoff_t next_da_bno; | |
2261 | int seeval; | |
b5fa9e86 | 2262 | int fixit = 0; |
95dff16b | 2263 | xfs_dir2_db_t db; |
ff105f75 | 2264 | struct xfs_da_args args; |
2bd0ea18 NS |
2265 | |
2266 | *need_dot = 1; | |
ff105f75 | 2267 | freetab = malloc(FREETAB_SIZE(ip->i_d.di_size / mp->m_dir_geo->blksize)); |
2bd0ea18 | 2268 | if (!freetab) { |
15e3986b DC |
2269 | do_error(_("malloc failed in %s (%" PRId64 " bytes)\n"), |
2270 | __func__, | |
ff105f75 | 2271 | FREETAB_SIZE(ip->i_d.di_size / mp->m_dir_geo->blksize)); |
2bd0ea18 NS |
2272 | exit(1); |
2273 | } | |
ff105f75 | 2274 | freetab->naents = ip->i_d.di_size / mp->m_dir_geo->blksize; |
2bd0ea18 NS |
2275 | freetab->nents = 0; |
2276 | for (i = 0; i < freetab->naents; i++) { | |
2277 | freetab->ents[i].v = NULLDATAOFF; | |
2278 | freetab->ents[i].s = 0; | |
2279 | } | |
95dff16b | 2280 | num_bps = freetab->naents; |
a2ceac1f | 2281 | bplist = calloc(num_bps, sizeof(struct xfs_buf*)); |
15e3986b DC |
2282 | if (!bplist) |
2283 | do_error(_("calloc failed in %s (%zu bytes)\n"), | |
2284 | __func__, num_bps * sizeof(struct xfs_buf*)); | |
2285 | ||
9d7d6241 | 2286 | /* is this a block, leaf, or node directory? */ |
ff105f75 DC |
2287 | args.dp = ip; |
2288 | args.geo = mp->m_dir_geo; | |
2289 | libxfs_dir2_isblock(&args, &isblock); | |
2290 | libxfs_dir2_isleaf(&args, &isleaf); | |
9d7d6241 | 2291 | |
33165ec3 | 2292 | /* check directory "data" blocks (ie. name/inode pairs) */ |
2bd0ea18 | 2293 | for (da_bno = 0, next_da_bno = 0; |
ff105f75 | 2294 | next_da_bno != NULLFILEOFF && da_bno < mp->m_dir_geo->leafblk; |
2bd0ea18 | 2295 | da_bno = (xfs_dablk_t)next_da_bno) { |
b5fa9e86 | 2296 | const struct xfs_buf_ops *ops; |
8e7e14be | 2297 | int error; |
0519f662 | 2298 | struct xfs_dir2_data_hdr *d; |
b5fa9e86 | 2299 | |
ff105f75 | 2300 | next_da_bno = da_bno + mp->m_dir_geo->fsbcount - 1; |
15e3986b DC |
2301 | if (bmap_next_offset(NULL, ip, &next_da_bno, XFS_DATA_FORK)) { |
2302 | /* | |
2303 | * if this is the first block, there isn't anything we | |
2304 | * can recover so we just trash it. | |
2305 | */ | |
2306 | if (da_bno == 0) { | |
2307 | fixit++; | |
2308 | goto out_fix; | |
2309 | } | |
2bd0ea18 | 2310 | break; |
15e3986b DC |
2311 | } |
2312 | ||
ff105f75 | 2313 | db = xfs_dir2_da_to_db(mp->m_dir_geo, da_bno); |
95dff16b BN |
2314 | if (db >= num_bps) { |
2315 | /* more data blocks than expected */ | |
2316 | num_bps = db + 1; | |
a2ceac1f | 2317 | bplist = realloc(bplist, num_bps * sizeof(struct xfs_buf*)); |
0f012a4c | 2318 | if (!bplist) |
15e3986b DC |
2319 | do_error(_("realloc failed in %s (%zu bytes)\n"), |
2320 | __func__, | |
a2ceac1f | 2321 | num_bps * sizeof(struct xfs_buf*)); |
95dff16b | 2322 | } |
b5fa9e86 DC |
2323 | |
2324 | if (isblock) | |
2325 | ops = &xfs_dir3_block_buf_ops; | |
2326 | else | |
2327 | ops = &xfs_dir3_data_buf_ops; | |
8e7e14be DC |
2328 | |
2329 | error = dir_read_buf(ip, da_bno, -1, &bplist[db], ops, &fixit); | |
2330 | if (error) { | |
5d1b7f0f | 2331 | do_warn( |
8e7e14be DC |
2332 | _("can't read data block %u for directory inode %" PRIu64 " error %d\n"), |
2333 | da_bno, ino, error); | |
95dff16b | 2334 | *num_illegal += 1; |
b5fa9e86 DC |
2335 | |
2336 | /* | |
2337 | * we try to read all "data" blocks, but if we are in | |
2338 | * block form and we fail, there isn't anything else to | |
2339 | * read, and nothing we can do but trash it. | |
2340 | */ | |
2341 | if (isblock) { | |
2342 | fixit++; | |
2343 | goto out_fix; | |
2344 | } | |
2345 | continue; | |
2bd0ea18 | 2346 | } |
0519f662 DW |
2347 | |
2348 | /* check v5 metadata */ | |
2349 | d = bplist[db]->b_addr; | |
2350 | if (be32_to_cpu(d->magic) == XFS_DIR3_BLOCK_MAGIC || | |
2351 | be32_to_cpu(d->magic) == XFS_DIR3_DATA_MAGIC) { | |
2352 | struct xfs_buf *bp = bplist[db]; | |
2353 | ||
2354 | error = check_dir3_header(mp, bp, ino); | |
2355 | if (error) { | |
2356 | fixit++; | |
2357 | continue; | |
2358 | } | |
2359 | } | |
2360 | ||
2bd0ea18 | 2361 | longform_dir2_entry_check_data(mp, ip, num_illegal, need_dot, |
2556c98b | 2362 | irec, ino_offset, &bplist[db], hashtab, |
33165ec3 | 2363 | &freetab, da_bno, isblock); |
2bd0ea18 | 2364 | } |
8e7e14be | 2365 | fixit |= (*num_illegal != 0) || dir2_is_badino(ino) || *need_dot; |
9d7d6241 | 2366 | |
575ca697 BN |
2367 | if (!dotdot_update) { |
2368 | /* check btree and freespace */ | |
2369 | if (isblock) { | |
a354abc8 | 2370 | struct xfs_dir2_data_hdr *block; |
575ca697 BN |
2371 | xfs_dir2_block_tail_t *btp; |
2372 | xfs_dir2_leaf_entry_t *blp; | |
2373 | ||
a2ceac1f | 2374 | block = bplist[0]->b_addr; |
ff105f75 | 2375 | btp = xfs_dir2_block_tail_p(mp->m_dir_geo, block); |
5e656dbb | 2376 | blp = xfs_dir2_block_leaf_p(btp); |
575ca697 BN |
2377 | seeval = dir_hash_see_all(hashtab, blp, |
2378 | be32_to_cpu(btp->count), | |
2379 | be32_to_cpu(btp->stale)); | |
2380 | if (dir_hash_check(hashtab, ip, seeval)) | |
2381 | fixit |= 1; | |
2382 | } else if (isleaf) { | |
2383 | fixit |= longform_dir2_check_leaf(mp, ip, hashtab, | |
2384 | freetab); | |
2385 | } else { | |
2386 | fixit |= longform_dir2_check_node(mp, ip, hashtab, | |
2387 | freetab); | |
2388 | } | |
2bd0ea18 | 2389 | } |
b5fa9e86 | 2390 | out_fix: |
575ca697 | 2391 | if (!no_modify && (fixit || dotdot_update)) { |
33165ec3 | 2392 | dir_hash_dup_names(hashtab); |
90dd8310 | 2393 | for (i = 0; i < num_bps; i++) |
33165ec3 | 2394 | if (bplist[i]) |
a2ceac1f | 2395 | libxfs_putbuf(bplist[i]); |
6fa00c33 | 2396 | longform_dir2_rebuild(mp, ino, ip, irec, ino_offset, hashtab); |
33165ec3 | 2397 | *num_illegal = 0; |
6fa00c33 | 2398 | *need_dot = 0; |
33165ec3 | 2399 | } else { |
90dd8310 | 2400 | for (i = 0; i < num_bps; i++) |
33165ec3 | 2401 | if (bplist[i]) |
a2ceac1f | 2402 | libxfs_putbuf(bplist[i]); |
33165ec3 | 2403 | } |
0f012a4c | 2404 | |
95dff16b | 2405 | free(bplist); |
2bd0ea18 NS |
2406 | free(freetab); |
2407 | } | |
2408 | ||
2bd0ea18 NS |
2409 | /* |
2410 | * shortform directory v2 processing routines -- entry verification and | |
2411 | * bad entry deletion (pruning). | |
2412 | */ | |
aaca101b DC |
2413 | static struct xfs_dir2_sf_entry * |
2414 | shortform_dir2_junk( | |
2415 | struct xfs_mount *mp, | |
2416 | struct xfs_dir2_sf_hdr *sfp, | |
2417 | struct xfs_dir2_sf_entry *sfep, | |
2418 | xfs_ino_t lino, | |
2419 | int *max_size, | |
2420 | int *index, | |
2421 | int *bytes_deleted, | |
2422 | int *ino_dirty) | |
2423 | { | |
2424 | struct xfs_dir2_sf_entry *next_sfep; | |
2425 | int next_len; | |
2426 | int next_elen; | |
2427 | ||
2428 | if (lino == orphanage_ino) | |
2429 | orphanage_ino = 0; | |
2430 | ||
ff105f75 DC |
2431 | next_elen = M_DIROPS(mp)->sf_entsize(sfp, sfep->namelen); |
2432 | next_sfep = M_DIROPS(mp)->sf_nextentry(sfp, sfep); | |
aaca101b DC |
2433 | |
2434 | /* | |
2435 | * if we are just checking, simply return the pointer to the next entry | |
2436 | * here so that the checking loop can continue. | |
2437 | */ | |
2438 | if (no_modify) { | |
2439 | do_warn(_("would junk entry\n")); | |
2440 | return next_sfep; | |
2441 | } | |
2442 | ||
2443 | /* | |
2444 | * now move all the remaining entries down over the junked entry and | |
2445 | * clear the newly unused bytes at the tail of the directory region. | |
2446 | */ | |
ee6cd73e | 2447 | next_len = *max_size - ((intptr_t)next_sfep - (intptr_t)sfp); |
aaca101b DC |
2448 | *max_size -= next_elen; |
2449 | *bytes_deleted += next_elen; | |
2450 | ||
2451 | memmove(sfep, next_sfep, next_len); | |
ee6cd73e | 2452 | memset((void *)((intptr_t)sfep + next_len), 0, next_elen); |
aaca101b DC |
2453 | sfp->count -= 1; |
2454 | *ino_dirty = 1; | |
2455 | ||
2456 | /* | |
2457 | * WARNING: drop the index i by one so it matches the decremented count | |
2458 | * for accurate comparisons in the loop test | |
2459 | */ | |
2460 | (*index)--; | |
2461 | ||
2462 | if (verbose) | |
2463 | do_warn(_("junking entry\n")); | |
2464 | else | |
2465 | do_warn("\n"); | |
2466 | return sfep; | |
2467 | } | |
2468 | ||
2556c98b | 2469 | static void |
2bd0ea18 NS |
2470 | shortform_dir2_entry_check(xfs_mount_t *mp, |
2471 | xfs_ino_t ino, | |
2472 | xfs_inode_t *ip, | |
2473 | int *ino_dirty, | |
2bd0ea18 | 2474 | ino_tree_node_t *current_irec, |
64c54486 | 2475 | int current_ino_offset, |
33165ec3 | 2476 | dir_hash_tab_t *hashtab) |
2bd0ea18 NS |
2477 | { |
2478 | xfs_ino_t lino; | |
2479 | xfs_ino_t parent; | |
a354abc8 | 2480 | struct xfs_dir2_sf_hdr *sfp; |
aaca101b DC |
2481 | struct xfs_dir2_sf_entry *sfep; |
2482 | struct xfs_dir2_sf_entry *next_sfep; | |
2483 | struct xfs_ifork *ifp; | |
2484 | struct ino_tree_node *irec; | |
2bd0ea18 NS |
2485 | int max_size; |
2486 | int ino_offset; | |
2487 | int i; | |
2bd0ea18 NS |
2488 | int bad_sfnamelen; |
2489 | int namelen; | |
2490 | int bytes_deleted; | |
2491 | char fname[MAXNAMELEN + 1]; | |
2492 | int i8; | |
2493 | ||
2494 | ifp = &ip->i_df; | |
a354abc8 | 2495 | sfp = (struct xfs_dir2_sf_hdr *) ifp->if_u1.if_data; |
2bd0ea18 | 2496 | *ino_dirty = 0; |
e55d768a | 2497 | bytes_deleted = 0; |
2bd0ea18 NS |
2498 | |
2499 | max_size = ifp->if_bytes; | |
2500 | ASSERT(ip->i_d.di_size <= ifp->if_bytes); | |
2501 | ||
575ca697 BN |
2502 | /* |
2503 | * if just rebuild a directory due to a "..", update and return | |
2504 | */ | |
2505 | if (dotdot_update) { | |
2506 | parent = get_inode_parent(current_irec, current_ino_offset); | |
2507 | if (no_modify) { | |
5d1b7f0f CH |
2508 | do_warn( |
2509 | _("would set .. in sf dir inode %" PRIu64 " to %" PRIu64 "\n"), | |
575ca697 BN |
2510 | ino, parent); |
2511 | } else { | |
5d1b7f0f CH |
2512 | do_warn( |
2513 | _("setting .. in sf dir inode %" PRIu64 " to %" PRIu64 "\n"), | |
575ca697 | 2514 | ino, parent); |
ff105f75 | 2515 | M_DIROPS(mp)->sf_put_parent_ino(sfp, parent); |
575ca697 BN |
2516 | *ino_dirty = 1; |
2517 | } | |
2518 | return; | |
2519 | } | |
2520 | ||
2bd0ea18 NS |
2521 | /* |
2522 | * no '.' entry in shortform dirs, just bump up ref count by 1 | |
2523 | * '..' was already (or will be) accounted for and checked when | |
2524 | * the directory is reached or will be taken care of when the | |
2525 | * directory is moved to orphanage. | |
2526 | */ | |
2527 | add_inode_ref(current_irec, current_ino_offset); | |
2528 | ||
e55d768a NS |
2529 | /* |
2530 | * Initialise i8 counter -- the parent inode number counts as well. | |
2531 | */ | |
ff105f75 | 2532 | i8 = M_DIROPS(mp)->sf_get_parent_ino(sfp) > XFS_DIR2_MAX_SHORT_INUM; |
e55d768a | 2533 | |
2bd0ea18 NS |
2534 | /* |
2535 | * now run through entries, stop at first bad entry, don't need | |
2536 | * to skip over '..' since that's encoded in its own field and | |
2537 | * no need to worry about '.' since it doesn't exist. | |
2538 | */ | |
a354abc8 | 2539 | sfep = next_sfep = xfs_dir2_sf_firstentry(sfp); |
2bd0ea18 | 2540 | |
a354abc8 | 2541 | for (i = 0; i < sfp->count && max_size > |
ee6cd73e | 2542 | (intptr_t)next_sfep - (intptr_t)sfp; |
2bd0ea18 | 2543 | sfep = next_sfep, i++) { |
2bd0ea18 | 2544 | bad_sfnamelen = 0; |
2bd0ea18 | 2545 | |
ff105f75 | 2546 | lino = M_DIROPS(mp)->sf_get_ino(sfp, sfep); |
2bd0ea18 NS |
2547 | |
2548 | namelen = sfep->namelen; | |
2549 | ||
2550 | ASSERT(no_modify || namelen > 0); | |
2551 | ||
2552 | if (no_modify && namelen == 0) { | |
2553 | /* | |
2554 | * if we're really lucky, this is | |
2555 | * the last entry in which case we | |
2556 | * can use the dir size to set the | |
2557 | * namelen value. otherwise, forget | |
2558 | * it because we're not going to be | |
2559 | * able to find the next entry. | |
2560 | */ | |
2561 | bad_sfnamelen = 1; | |
2562 | ||
a354abc8 | 2563 | if (i == sfp->count - 1) { |
2bd0ea18 | 2564 | namelen = ip->i_d.di_size - |
ee6cd73e CH |
2565 | ((intptr_t) &sfep->name[0] - |
2566 | (intptr_t) sfp); | |
2bd0ea18 NS |
2567 | } else { |
2568 | /* | |
2569 | * don't process the rest of the directory, | |
2570 | * break out of processing loop | |
2571 | */ | |
2572 | break; | |
2573 | } | |
ee6cd73e | 2574 | } else if (no_modify && (intptr_t) sfep - (intptr_t) sfp + |
ff105f75 | 2575 | + M_DIROPS(mp)->sf_entsize(sfp, sfep->namelen) |
2bd0ea18 NS |
2576 | > ip->i_d.di_size) { |
2577 | bad_sfnamelen = 1; | |
2578 | ||
a354abc8 | 2579 | if (i == sfp->count - 1) { |
2bd0ea18 | 2580 | namelen = ip->i_d.di_size - |
ee6cd73e CH |
2581 | ((intptr_t) &sfep->name[0] - |
2582 | (intptr_t) sfp); | |
2bd0ea18 NS |
2583 | } else { |
2584 | /* | |
2585 | * don't process the rest of the directory, | |
2586 | * break out of processing loop | |
2587 | */ | |
2588 | break; | |
2589 | } | |
2590 | } | |
2591 | ||
dab9b8d6 | 2592 | memmove(fname, sfep->name, sfep->namelen); |
2bd0ea18 NS |
2593 | fname[sfep->namelen] = '\0'; |
2594 | ||
2595 | ASSERT(no_modify || (lino != NULLFSINO && lino != 0)); | |
2596 | ASSERT(no_modify || !verify_inum(mp, lino)); | |
2597 | ||
e55d768a NS |
2598 | /* |
2599 | * Also skip entries with bogus inode numbers if we're | |
2600 | * in no modify mode. | |
2601 | */ | |
2602 | ||
2603 | if (no_modify && verify_inum(mp, lino)) { | |
ff105f75 | 2604 | next_sfep = M_DIROPS(mp)->sf_nextentry(sfp, sfep); |
2bd0ea18 NS |
2605 | continue; |
2606 | } | |
2607 | ||
1ae311d5 | 2608 | irec = find_inode_rec(mp, XFS_INO_TO_AGNO(mp, lino), |
2bd0ea18 NS |
2609 | XFS_INO_TO_AGINO(mp, lino)); |
2610 | ||
6c39a3cb | 2611 | if (irec == NULL) { |
5d1b7f0f CH |
2612 | do_warn( |
2613 | _("entry \"%s\" in shortform directory %" PRIu64 " references non-existent inode %" PRIu64 "\n"), | |
2bd0ea18 | 2614 | fname, ino, lino); |
aaca101b DC |
2615 | next_sfep = shortform_dir2_junk(mp, sfp, sfep, lino, |
2616 | &max_size, &i, &bytes_deleted, | |
2617 | ino_dirty); | |
2618 | continue; | |
2bd0ea18 NS |
2619 | } |
2620 | ||
2bd0ea18 NS |
2621 | ino_offset = XFS_INO_TO_AGINO(mp, lino) - irec->ino_startnum; |
2622 | ||
2623 | /* | |
2624 | * if it's a free inode, blow out the entry. | |
2625 | * by now, any inode that we think is free | |
2626 | * really is free. | |
2627 | */ | |
2628 | if (is_inode_free(irec, ino_offset)) { | |
5d1b7f0f CH |
2629 | do_warn( |
2630 | _("entry \"%s\" in shortform directory inode %" PRIu64 " points to free inode %" PRIu64 "\n"), | |
6c39a3cb | 2631 | fname, ino, lino); |
aaca101b DC |
2632 | next_sfep = shortform_dir2_junk(mp, sfp, sfep, lino, |
2633 | &max_size, &i, &bytes_deleted, | |
2634 | ino_dirty); | |
2635 | continue; | |
6c39a3cb BN |
2636 | } |
2637 | /* | |
2638 | * check if this inode is lost+found dir in the root | |
2639 | */ | |
2640 | if (ino == mp->m_sb.sb_rootino && strcmp(fname, ORPHANAGE) == 0) { | |
2bd0ea18 | 2641 | /* |
6c39a3cb | 2642 | * if it's not a directory, trash it |
2bd0ea18 | 2643 | */ |
6c39a3cb | 2644 | if (!inode_isadir(irec, ino_offset)) { |
5d1b7f0f CH |
2645 | do_warn( |
2646 | _("%s (ino %" PRIu64 ") in root (%" PRIu64 ") is not a directory"), | |
2647 | ORPHANAGE, lino, ino); | |
aaca101b DC |
2648 | next_sfep = shortform_dir2_junk(mp, sfp, sfep, |
2649 | lino, &max_size, &i, | |
2650 | &bytes_deleted, ino_dirty); | |
2651 | continue; | |
2bd0ea18 | 2652 | } |
64c54486 | 2653 | /* |
6c39a3cb BN |
2654 | * if this is a dup, it will be picked up below, |
2655 | * otherwise, mark it as the orphanage for later. | |
0f012a4c | 2656 | */ |
6c39a3cb BN |
2657 | if (!orphanage_ino) |
2658 | orphanage_ino = lino; | |
2659 | } | |
2660 | /* | |
2661 | * check for duplicate names in directory. | |
2662 | */ | |
51ca7008 | 2663 | if (!dir_hash_add(mp, hashtab, (xfs_dir2_dataptr_t) |
a354abc8 | 2664 | (sfep - xfs_dir2_sf_firstentry(sfp)), |
aaca101b | 2665 | lino, sfep->namelen, sfep->name, |
ff105f75 | 2666 | M_DIROPS(mp)->sf_get_ftype(sfep))) { |
5d1b7f0f CH |
2667 | do_warn( |
2668 | _("entry \"%s\" (ino %" PRIu64 ") in dir %" PRIu64 " is a duplicate name"), | |
2669 | fname, lino, ino); | |
aaca101b DC |
2670 | next_sfep = shortform_dir2_junk(mp, sfp, sfep, lino, |
2671 | &max_size, &i, &bytes_deleted, | |
2672 | ino_dirty); | |
2673 | continue; | |
6c39a3cb | 2674 | } |
575ca697 | 2675 | |
6c39a3cb | 2676 | if (!inode_isadir(irec, ino_offset)) { |
2bd0ea18 NS |
2677 | /* |
2678 | * check easy case first, regular inode, just bump | |
e55d768a | 2679 | * the link count |
2bd0ea18 NS |
2680 | */ |
2681 | add_inode_reached(irec, ino_offset); | |
2bd0ea18 NS |
2682 | } else { |
2683 | parent = get_inode_parent(irec, ino_offset); | |
2684 | ||
2685 | /* | |
2686 | * bump up the link counts in parent and child. | |
2687 | * directory but if the link doesn't agree with | |
2688 | * the .. in the child, blow out the entry | |
2689 | */ | |
2690 | if (is_inode_reached(irec, ino_offset)) { | |
5d1b7f0f CH |
2691 | do_warn( |
2692 | _("entry \"%s\" in directory inode %" PRIu64 | |
2693 | " references already connected inode %" PRIu64 ".\n"), | |
2bd0ea18 | 2694 | fname, ino, lino); |
aaca101b DC |
2695 | next_sfep = shortform_dir2_junk(mp, sfp, sfep, |
2696 | lino, &max_size, &i, | |
2697 | &bytes_deleted, ino_dirty); | |
2698 | continue; | |
2bd0ea18 NS |
2699 | } else if (parent == ino) { |
2700 | add_inode_reached(irec, ino_offset); | |
2701 | add_inode_ref(current_irec, current_ino_offset); | |
6fa00c33 BN |
2702 | } else if (parent == NULLFSINO) { |
2703 | /* ".." was missing, but this entry refers to it, | |
2704 | so, set it as the parent and mark for rebuild */ | |
5d1b7f0f CH |
2705 | do_warn( |
2706 | _("entry \"%s\" in dir ino %" PRIu64 " doesn't have a .. entry, will set it in ino %" PRIu64 ".\n"), | |
6fa00c33 BN |
2707 | fname, ino, lino); |
2708 | set_inode_parent(irec, ino_offset, ino); | |
2709 | add_inode_reached(irec, ino_offset); | |
2710 | add_inode_ref(current_irec, current_ino_offset); | |
575ca697 BN |
2711 | add_dotdot_update(XFS_INO_TO_AGNO(mp, lino), |
2712 | irec, ino_offset); | |
2bd0ea18 | 2713 | } else { |
5d1b7f0f CH |
2714 | do_warn( |
2715 | _("entry \"%s\" in directory inode %" PRIu64 | |
2716 | " not consistent with .. value (%" PRIu64 | |
2717 | ") in inode %" PRIu64 ",\n"), | |
2bd0ea18 | 2718 | fname, ino, parent, lino); |
aaca101b DC |
2719 | next_sfep = shortform_dir2_junk(mp, sfp, sfep, |
2720 | lino, &max_size, &i, | |
2721 | &bytes_deleted, ino_dirty); | |
2722 | continue; | |
2bd0ea18 NS |
2723 | } |
2724 | } | |
2725 | ||
aaca101b DC |
2726 | /* validate ftype field if supported */ |
2727 | if (xfs_sb_version_hasftype(&mp->m_sb)) { | |
2728 | __uint8_t dir_ftype; | |
2729 | __uint8_t ino_ftype; | |
2bd0ea18 | 2730 | |
ff105f75 | 2731 | dir_ftype = M_DIROPS(mp)->sf_get_ftype(sfep); |
aaca101b | 2732 | ino_ftype = get_inode_ftype(irec, ino_offset); |
2bd0ea18 | 2733 | |
aaca101b DC |
2734 | if (dir_ftype != ino_ftype) { |
2735 | if (no_modify) { | |
2736 | do_warn( | |
2737 | _("would fix ftype mismatch (%d/%d) in directory/child inode %" PRIu64 "/%" PRIu64 "\n"), | |
2738 | dir_ftype, ino_ftype, | |
2739 | ino, lino); | |
2740 | } else { | |
2741 | do_warn( | |
2742 | _("fixing ftype mismatch (%d/%d) in directory/child inode %" PRIu64 "/%" PRIu64 "\n"), | |
2743 | dir_ftype, ino_ftype, | |
2744 | ino, lino); | |
ff105f75 | 2745 | M_DIROPS(mp)->sf_put_ftype(sfep, |
aaca101b DC |
2746 | ino_ftype); |
2747 | dir_hash_update_ftype(hashtab, | |
2748 | (xfs_dir2_dataptr_t)(sfep - xfs_dir2_sf_firstentry(sfp)), | |
2749 | ino_ftype); | |
2750 | *ino_dirty = 1; | |
2751 | } | |
2bd0ea18 | 2752 | } |
aaca101b DC |
2753 | } |
2754 | ||
2755 | if (lino > XFS_DIR2_MAX_SHORT_INUM) | |
2bd0ea18 NS |
2756 | i8++; |
2757 | ||
2758 | /* | |
aaca101b DC |
2759 | * go onto next entry - we have to take entries with bad namelen |
2760 | * into account in no modify mode since we calculate size based | |
2761 | * on next_sfep. | |
2bd0ea18 NS |
2762 | */ |
2763 | ASSERT(no_modify || bad_sfnamelen == 0); | |
ee6cd73e | 2764 | next_sfep = (struct xfs_dir2_sf_entry *)((intptr_t)sfep + |
aaca101b | 2765 | (bad_sfnamelen |
ff105f75 DC |
2766 | ? M_DIROPS(mp)->sf_entsize(sfp, namelen) |
2767 | : M_DIROPS(mp)->sf_entsize(sfp, sfep->namelen))); | |
2bd0ea18 NS |
2768 | } |
2769 | ||
a354abc8 | 2770 | if (sfp->i8count != i8) { |
2bd0ea18 | 2771 | if (no_modify) { |
5d1b7f0f CH |
2772 | do_warn(_("would fix i8count in inode %" PRIu64 "\n"), |
2773 | ino); | |
2bd0ea18 NS |
2774 | } else { |
2775 | if (i8 == 0) { | |
aaca101b DC |
2776 | struct xfs_dir2_sf_entry *tmp_sfep; |
2777 | ||
2bd0ea18 | 2778 | tmp_sfep = next_sfep; |
494434d7 | 2779 | process_sf_dir2_fixi8(mp, sfp, &tmp_sfep); |
2bd0ea18 | 2780 | bytes_deleted += |
ee6cd73e CH |
2781 | (intptr_t)next_sfep - |
2782 | (intptr_t)tmp_sfep; | |
2bd0ea18 NS |
2783 | next_sfep = tmp_sfep; |
2784 | } else | |
a354abc8 | 2785 | sfp->i8count = i8; |
2bd0ea18 | 2786 | *ino_dirty = 1; |
5d1b7f0f CH |
2787 | do_warn(_("fixing i8count in inode %" PRIu64 "\n"), |
2788 | ino); | |
2bd0ea18 NS |
2789 | } |
2790 | } | |
2791 | ||
2792 | /* | |
2793 | * sync up sizes if required | |
2794 | */ | |
aaca101b | 2795 | if (*ino_dirty && bytes_deleted > 0) { |
2bd0ea18 NS |
2796 | ASSERT(!no_modify); |
2797 | libxfs_idata_realloc(ip, -bytes_deleted, XFS_DATA_FORK); | |
2798 | ip->i_d.di_size -= bytes_deleted; | |
2799 | } | |
2800 | ||
2801 | if (ip->i_d.di_size != ip->i_df.if_bytes) { | |
2802 | ASSERT(ip->i_df.if_bytes == (xfs_fsize_t) | |
ee6cd73e | 2803 | ((intptr_t) next_sfep - (intptr_t) sfp)); |
2bd0ea18 | 2804 | ip->i_d.di_size = (xfs_fsize_t) |
ee6cd73e | 2805 | ((intptr_t) next_sfep - (intptr_t) sfp); |
5d1b7f0f CH |
2806 | do_warn( |
2807 | _("setting size to %" PRId64 " bytes to reflect junked entries\n"), | |
2bd0ea18 NS |
2808 | ip->i_d.di_size); |
2809 | *ino_dirty = 1; | |
2810 | } | |
2811 | } | |
2812 | ||
2813 | /* | |
2556c98b | 2814 | * processes all reachable inodes in directories |
2bd0ea18 | 2815 | */ |
2556c98b BN |
2816 | static void |
2817 | process_dir_inode( | |
2818 | xfs_mount_t *mp, | |
575ca697 | 2819 | xfs_agnumber_t agno, |
2556c98b BN |
2820 | ino_tree_node_t *irec, |
2821 | int ino_offset) | |
2bd0ea18 | 2822 | { |
575ca697 | 2823 | xfs_ino_t ino; |
2bd0ea18 NS |
2824 | xfs_bmap_free_t flist; |
2825 | xfs_fsblock_t first; | |
2bd0ea18 NS |
2826 | xfs_inode_t *ip; |
2827 | xfs_trans_t *tp; | |
33165ec3 | 2828 | dir_hash_tab_t *hashtab; |
0b66d459 | 2829 | int need_dot; |
2bd0ea18 NS |
2830 | int dirty, num_illegal, error, nres; |
2831 | ||
575ca697 BN |
2832 | ino = XFS_AGINO_TO_INO(mp, agno, irec->ino_startnum + ino_offset); |
2833 | ||
2bd0ea18 | 2834 | /* |
2bd0ea18 NS |
2835 | * open up directory inode, check all entries, |
2836 | * then call prune_dir_entries to remove all | |
2837 | * remaining illegal directory entries. | |
2838 | */ | |
2839 | ||
f4ef1178 | 2840 | ASSERT(!is_inode_refchecked(irec, ino_offset) || dotdot_update); |
2bd0ea18 | 2841 | |
12b53197 | 2842 | error = -libxfs_iget(mp, NULL, ino, 0, &ip, 0); |
2556c98b BN |
2843 | if (error) { |
2844 | if (!no_modify) | |
5d1b7f0f CH |
2845 | do_error( |
2846 | _("couldn't map inode %" PRIu64 ", err = %d\n"), | |
2556c98b BN |
2847 | ino, error); |
2848 | else { | |
5d1b7f0f CH |
2849 | do_warn( |
2850 | _("couldn't map inode %" PRIu64 ", err = %d\n"), | |
2556c98b | 2851 | ino, error); |
2bd0ea18 | 2852 | /* |
2556c98b BN |
2853 | * see below for what we're doing if this |
2854 | * is root. Why do we need to do this here? | |
2855 | * to ensure that the root doesn't show up | |
2856 | * as being disconnected in the no_modify case. | |
2bd0ea18 | 2857 | */ |
2556c98b BN |
2858 | if (mp->m_sb.sb_rootino == ino) { |
2859 | add_inode_reached(irec, 0); | |
2860 | add_inode_ref(irec, 0); | |
2861 | } | |
2bd0ea18 NS |
2862 | } |
2863 | ||
f4ef1178 | 2864 | add_inode_refchecked(irec, 0); |
2556c98b BN |
2865 | return; |
2866 | } | |
2bd0ea18 | 2867 | |
2556c98b | 2868 | need_dot = dirty = num_illegal = 0; |
64c54486 | 2869 | |
2556c98b | 2870 | if (mp->m_sb.sb_rootino == ino) { |
2bd0ea18 | 2871 | /* |
2556c98b BN |
2872 | * mark root inode reached and bump up |
2873 | * link count for root inode to account | |
2874 | * for '..' entry since the root inode is | |
2875 | * never reached by a parent. we know | |
2876 | * that root's '..' is always good -- | |
2877 | * guaranteed by phase 3 and/or below. | |
2bd0ea18 | 2878 | */ |
2556c98b BN |
2879 | add_inode_reached(irec, ino_offset); |
2880 | } | |
2881 | ||
f4ef1178 | 2882 | add_inode_refchecked(irec, ino_offset); |
2556c98b BN |
2883 | |
2884 | hashtab = dir_hash_init(ip->i_d.di_size); | |
2885 | ||
2886 | /* | |
2887 | * look for bogus entries | |
2888 | */ | |
2889 | switch (ip->i_d.di_format) { | |
2bd0ea18 NS |
2890 | case XFS_DINODE_FMT_EXTENTS: |
2891 | case XFS_DINODE_FMT_BTREE: | |
2892 | /* | |
2893 | * also check for missing '.' in longform dirs. | |
2894 | * missing .. entries are added if required when | |
2895 | * the directory is connected to lost+found. but | |
2896 | * we need to create '.' entries here. | |
2897 | */ | |
9a048535 DC |
2898 | longform_dir2_entry_check(mp, ino, ip, |
2899 | &num_illegal, &need_dot, | |
2900 | irec, ino_offset, | |
2901 | hashtab); | |
2bd0ea18 | 2902 | break; |
2556c98b | 2903 | |
2bd0ea18 NS |
2904 | case XFS_DINODE_FMT_LOCAL: |
2905 | tp = libxfs_trans_alloc(mp, 0); | |
2906 | /* | |
2907 | * using the remove reservation is overkill | |
2908 | * since at most we'll only need to log the | |
2909 | * inode but it's easier than wedging a | |
2910 | * new define in ourselves. | |
2911 | */ | |
2912 | nres = no_modify ? 0 : XFS_REMOVE_SPACE_RES(mp); | |
12b53197 | 2913 | error = -libxfs_trans_reserve(tp, &M_RES(mp)->tr_remove, |
48ea6cb9 | 2914 | nres, 0); |
2bd0ea18 NS |
2915 | if (error) |
2916 | res_failed(error); | |
2917 | ||
2918 | libxfs_trans_ijoin(tp, ip, 0); | |
2bd0ea18 | 2919 | |
9a048535 DC |
2920 | shortform_dir2_entry_check(mp, ino, ip, &dirty, |
2921 | irec, ino_offset, | |
2922 | hashtab); | |
2bd0ea18 | 2923 | |
27527004 | 2924 | ASSERT(dirty == 0 || (dirty && !no_modify)); |
2bd0ea18 NS |
2925 | if (dirty) { |
2926 | libxfs_trans_log_inode(tp, ip, | |
2927 | XFS_ILOG_CORE | XFS_ILOG_DDATA); | |
de5a3f46 | 2928 | libxfs_trans_commit(tp); |
2bd0ea18 | 2929 | } else { |
3d7434fe | 2930 | libxfs_trans_cancel(tp); |
2bd0ea18 NS |
2931 | } |
2932 | break; | |
2556c98b | 2933 | |
2bd0ea18 NS |
2934 | default: |
2935 | break; | |
2556c98b BN |
2936 | } |
2937 | dir_hash_done(hashtab); | |
2bd0ea18 | 2938 | |
2556c98b BN |
2939 | /* |
2940 | * if we have to create a .. for /, do it now *before* | |
2941 | * we delete the bogus entries, otherwise the directory | |
2942 | * could transform into a shortform dir which would | |
2943 | * probably cause the simulation to choke. Even | |
2944 | * if the illegal entries get shifted around, it's ok | |
2945 | * because the entries are structurally intact and in | |
2946 | * in hash-value order so the simulation won't get confused | |
2947 | * if it has to move them around. | |
2948 | */ | |
2949 | if (!no_modify && need_root_dotdot && ino == mp->m_sb.sb_rootino) { | |
2950 | ASSERT(ip->i_d.di_format != XFS_DINODE_FMT_LOCAL); | |
2bd0ea18 | 2951 | |
2556c98b | 2952 | do_warn(_("recreating root directory .. entry\n")); |
2bd0ea18 | 2953 | |
2556c98b BN |
2954 | tp = libxfs_trans_alloc(mp, 0); |
2955 | ASSERT(tp != NULL); | |
2bd0ea18 | 2956 | |
2556c98b | 2957 | nres = XFS_MKDIR_SPACE_RES(mp, 2); |
12b53197 | 2958 | error = -libxfs_trans_reserve(tp, &M_RES(mp)->tr_mkdir, nres, 0); |
2556c98b BN |
2959 | if (error) |
2960 | res_failed(error); | |
2bd0ea18 | 2961 | |
2556c98b | 2962 | libxfs_trans_ijoin(tp, ip, 0); |
2bd0ea18 | 2963 | |
56b2de80 | 2964 | xfs_bmap_init(&flist, &first); |
2bd0ea18 | 2965 | |
12b53197 | 2966 | error = -libxfs_dir_createname(tp, ip, &xfs_name_dotdot, |
5e656dbb | 2967 | ip->i_ino, &first, &flist, nres); |
2556c98b | 2968 | if (error) |
5d1b7f0f CH |
2969 | do_error( |
2970 | _("can't make \"..\" entry in root inode %" PRIu64 ", createname error %d\n"), ino, error); | |
2bd0ea18 | 2971 | |
2556c98b | 2972 | libxfs_trans_log_inode(tp, ip, XFS_ILOG_CORE); |
2bd0ea18 | 2973 | |
0b66d459 | 2974 | error = -libxfs_bmap_finish(&tp, &flist, ip); |
2556c98b | 2975 | ASSERT(error == 0); |
de5a3f46 | 2976 | libxfs_trans_commit(tp); |
2bd0ea18 | 2977 | |
2556c98b BN |
2978 | need_root_dotdot = 0; |
2979 | } else if (need_root_dotdot && ino == mp->m_sb.sb_rootino) { | |
2980 | do_warn(_("would recreate root directory .. entry\n")); | |
2981 | } | |
2bd0ea18 | 2982 | |
2556c98b BN |
2983 | /* |
2984 | * if we need to create the '.' entry, do so only if | |
ff1f79a7 | 2985 | * the directory is a longform dir. if it's been |
2556c98b BN |
2986 | * turned into a shortform dir, then the inode is ok |
2987 | * since shortform dirs have no '.' entry and the inode | |
2988 | * has already been committed by prune_lf_dir_entry(). | |
2989 | */ | |
2990 | if (need_dot) { | |
2bd0ea18 | 2991 | /* |
2556c98b BN |
2992 | * bump up our link count but don't |
2993 | * bump up the inode link count. chances | |
2994 | * are good that even though we lost '.' | |
2995 | * the inode link counts reflect '.' so | |
2996 | * leave the inode link count alone and if | |
2997 | * it turns out to be wrong, we'll catch | |
2998 | * that in phase 7. | |
2bd0ea18 | 2999 | */ |
2556c98b BN |
3000 | add_inode_ref(irec, ino_offset); |
3001 | ||
3002 | if (no_modify) { | |
5d1b7f0f CH |
3003 | do_warn( |
3004 | _("would create missing \".\" entry in dir ino %" PRIu64 "\n"), | |
2556c98b BN |
3005 | ino); |
3006 | } else if (ip->i_d.di_format != XFS_DINODE_FMT_LOCAL) { | |
2bd0ea18 | 3007 | /* |
2556c98b | 3008 | * need to create . entry in longform dir. |
2bd0ea18 | 3009 | */ |
5d1b7f0f CH |
3010 | do_warn( |
3011 | _("creating missing \".\" entry in dir ino %" PRIu64 "\n"), ino); | |
2bd0ea18 | 3012 | |
2556c98b BN |
3013 | tp = libxfs_trans_alloc(mp, 0); |
3014 | ASSERT(tp != NULL); | |
2bd0ea18 | 3015 | |
2556c98b | 3016 | nres = XFS_MKDIR_SPACE_RES(mp, 1); |
12b53197 | 3017 | error = -libxfs_trans_reserve(tp, &M_RES(mp)->tr_mkdir, |
48ea6cb9 | 3018 | nres, 0); |
2556c98b BN |
3019 | if (error) |
3020 | res_failed(error); | |
2bd0ea18 | 3021 | |
2556c98b | 3022 | libxfs_trans_ijoin(tp, ip, 0); |
2bd0ea18 | 3023 | |
56b2de80 | 3024 | xfs_bmap_init(&flist, &first); |
2bd0ea18 | 3025 | |
12b53197 | 3026 | error = -libxfs_dir_createname(tp, ip, &xfs_name_dot, |
5e656dbb BN |
3027 | ip->i_ino, &first, &flist, nres); |
3028 | if (error) | |
5d1b7f0f CH |
3029 | do_error( |
3030 | _("can't make \".\" entry in dir ino %" PRIu64 ", createname error %d\n"), | |
2556c98b | 3031 | ino, error); |
2bd0ea18 | 3032 | |
2556c98b | 3033 | libxfs_trans_log_inode(tp, ip, XFS_ILOG_CORE); |
2bd0ea18 | 3034 | |
0b66d459 | 3035 | error = -libxfs_bmap_finish(&tp, &flist, ip); |
2556c98b | 3036 | ASSERT(error == 0); |
de5a3f46 | 3037 | libxfs_trans_commit(tp); |
2bd0ea18 | 3038 | } |
2bd0ea18 | 3039 | } |
dd2c21d2 | 3040 | IRELE(ip); |
2bd0ea18 NS |
3041 | } |
3042 | ||
3043 | /* | |
3044 | * mark realtime bitmap and summary inodes as reached. | |
3045 | * quota inode will be marked here as well | |
3046 | */ | |
8b8a6b02 | 3047 | static void |
2bd0ea18 NS |
3048 | mark_standalone_inodes(xfs_mount_t *mp) |
3049 | { | |
3050 | ino_tree_node_t *irec; | |
3051 | int offset; | |
3052 | ||
1ae311d5 | 3053 | irec = find_inode_rec(mp, XFS_INO_TO_AGNO(mp, mp->m_sb.sb_rbmino), |
2bd0ea18 NS |
3054 | XFS_INO_TO_AGINO(mp, mp->m_sb.sb_rbmino)); |
3055 | ||
3056 | ASSERT(irec != NULL); | |
3057 | ||
3058 | offset = XFS_INO_TO_AGINO(mp, mp->m_sb.sb_rbmino) - | |
3059 | irec->ino_startnum; | |
3060 | ||
3061 | add_inode_reached(irec, offset); | |
3062 | ||
1ae311d5 | 3063 | irec = find_inode_rec(mp, XFS_INO_TO_AGNO(mp, mp->m_sb.sb_rsumino), |
2bd0ea18 NS |
3064 | XFS_INO_TO_AGINO(mp, mp->m_sb.sb_rsumino)); |
3065 | ||
dfc130f3 | 3066 | offset = XFS_INO_TO_AGINO(mp, mp->m_sb.sb_rsumino) - |
2bd0ea18 NS |
3067 | irec->ino_startnum; |
3068 | ||
3069 | ASSERT(irec != NULL); | |
3070 | ||
3071 | add_inode_reached(irec, offset); | |
3072 | ||
3073 | if (fs_quotas) { | |
3074 | if (mp->m_sb.sb_uquotino | |
3075 | && mp->m_sb.sb_uquotino != NULLFSINO) { | |
1ae311d5 | 3076 | irec = find_inode_rec(mp, XFS_INO_TO_AGNO(mp, |
2bd0ea18 NS |
3077 | mp->m_sb.sb_uquotino), |
3078 | XFS_INO_TO_AGINO(mp, mp->m_sb.sb_uquotino)); | |
3079 | offset = XFS_INO_TO_AGINO(mp, mp->m_sb.sb_uquotino) | |
3080 | - irec->ino_startnum; | |
3081 | add_inode_reached(irec, offset); | |
3082 | } | |
b36eef04 NS |
3083 | if (mp->m_sb.sb_gquotino |
3084 | && mp->m_sb.sb_gquotino != NULLFSINO) { | |
1ae311d5 | 3085 | irec = find_inode_rec(mp, XFS_INO_TO_AGNO(mp, |
b36eef04 NS |
3086 | mp->m_sb.sb_gquotino), |
3087 | XFS_INO_TO_AGINO(mp, mp->m_sb.sb_gquotino)); | |
3088 | offset = XFS_INO_TO_AGINO(mp, mp->m_sb.sb_gquotino) | |
2bd0ea18 NS |
3089 | - irec->ino_startnum; |
3090 | add_inode_reached(irec, offset); | |
3091 | } | |
0340d706 CS |
3092 | if (mp->m_sb.sb_pquotino |
3093 | && mp->m_sb.sb_pquotino != NULLFSINO) { | |
3094 | irec = find_inode_rec(mp, XFS_INO_TO_AGNO(mp, | |
3095 | mp->m_sb.sb_pquotino), | |
3096 | XFS_INO_TO_AGINO(mp, mp->m_sb.sb_pquotino)); | |
3097 | offset = XFS_INO_TO_AGINO(mp, mp->m_sb.sb_pquotino) | |
3098 | - irec->ino_startnum; | |
3099 | add_inode_reached(irec, offset); | |
3100 | } | |
2bd0ea18 NS |
3101 | } |
3102 | } | |
3103 | ||
6c39a3cb BN |
3104 | static void |
3105 | check_for_orphaned_inodes( | |
3106 | xfs_mount_t *mp, | |
2556c98b | 3107 | xfs_agnumber_t agno, |
6c39a3cb BN |
3108 | ino_tree_node_t *irec) |
3109 | { | |
3110 | int i; | |
6c39a3cb BN |
3111 | xfs_ino_t ino; |
3112 | ||
3113 | for (i = 0; i < XFS_INODES_PER_CHUNK; i++) { | |
3114 | ASSERT(is_inode_confirmed(irec, i)); | |
3115 | if (is_inode_free(irec, i)) | |
3116 | continue; | |
3117 | ||
2556c98b BN |
3118 | if (is_inode_reached(irec, i)) |
3119 | continue; | |
3120 | ||
3121 | ASSERT(inode_isadir(irec, i) || | |
3122 | num_inode_references(irec, i) == 0); | |
3123 | ||
3124 | ino = XFS_AGINO_TO_INO(mp, agno, i + irec->ino_startnum); | |
3125 | if (inode_isadir(irec, i)) | |
5d1b7f0f | 3126 | do_warn(_("disconnected dir inode %" PRIu64 ", "), ino); |
2556c98b | 3127 | else |
5d1b7f0f | 3128 | do_warn(_("disconnected inode %" PRIu64 ", "), ino); |
9a048535 DC |
3129 | if (!no_modify) { |
3130 | if (!orphanage_ino) | |
2556c98b BN |
3131 | orphanage_ino = mk_orphanage(mp); |
3132 | do_warn(_("moving to %s\n"), ORPHANAGE); | |
3133 | mv_orphanage(mp, ino, inode_isadir(irec, i)); | |
3134 | } else { | |
3135 | do_warn(_("would move to %s\n"), ORPHANAGE); | |
6c39a3cb | 3136 | } |
2556c98b BN |
3137 | /* |
3138 | * for read-only case, even though the inode isn't | |
3139 | * really reachable, set the flag (and bump our link | |
3140 | * count) anyway to fool phase 7 | |
3141 | */ | |
3142 | add_inode_reached(irec, i); | |
6c39a3cb BN |
3143 | } |
3144 | } | |
3145 | ||
a1d54891 | 3146 | static void |
2556c98b BN |
3147 | traverse_function( |
3148 | work_queue_t *wq, | |
3149 | xfs_agnumber_t agno, | |
3150 | void *arg) | |
a1d54891 | 3151 | { |
2556c98b BN |
3152 | ino_tree_node_t *irec; |
3153 | int i; | |
3154 | prefetch_args_t *pf_args = arg; | |
3155 | ||
3156 | wait_for_inode_prefetch(pf_args); | |
a1d54891 MV |
3157 | |
3158 | if (verbose) | |
3159 | do_log(_(" - agno = %d\n"), agno); | |
3160 | ||
2556c98b BN |
3161 | for (irec = findfirst_inode_rec(agno); irec; irec = next_ino_rec(irec)) { |
3162 | if (irec->ino_isa_dir == 0) | |
3163 | continue; | |
a1d54891 | 3164 | |
004e18d4 | 3165 | if (pf_args) { |
2556c98b | 3166 | sem_post(&pf_args->ra_count); |
004e18d4 DC |
3167 | #ifdef XR_PF_TRACE |
3168 | sem_getvalue(&pf_args->ra_count, &i); | |
3169 | pftrace( | |
3170 | "processing inode chunk %p in AG %d (sem count = %d)", | |
3171 | irec, agno, i); | |
3172 | #endif | |
3173 | } | |
a1d54891 | 3174 | |
2556c98b BN |
3175 | for (i = 0; i < XFS_INODES_PER_CHUNK; i++) { |
3176 | if (inode_isadir(irec, i)) | |
575ca697 | 3177 | process_dir_inode(wq->mp, agno, irec, i); |
a1d54891 | 3178 | } |
a1d54891 | 3179 | } |
2556c98b | 3180 | cleanup_inode_prefetch(pf_args); |
a1d54891 MV |
3181 | } |
3182 | ||
575ca697 BN |
3183 | static void |
3184 | update_missing_dotdot_entries( | |
3185 | xfs_mount_t *mp) | |
3186 | { | |
3187 | dotdot_update_t *dir; | |
3188 | ||
3189 | /* | |
3190 | * these entries parents were updated, rebuild them again | |
3191 | * set dotdot_update flag so processing routines do not count links | |
3192 | */ | |
3193 | dotdot_update = 1; | |
1177f669 DC |
3194 | while (!list_empty(&dotdot_update_list)) { |
3195 | dir = list_entry(dotdot_update_list.prev, struct dotdot_update, | |
3196 | list); | |
3197 | list_del(&dir->list); | |
575ca697 BN |
3198 | process_dir_inode(mp, dir->agno, dir->irec, dir->ino_offset); |
3199 | free(dir); | |
3200 | } | |
3201 | } | |
3202 | ||
a1d54891 | 3203 | static void |
2556c98b | 3204 | traverse_ags( |
1164bde5 | 3205 | struct xfs_mount *mp) |
a1d54891 | 3206 | { |
1164bde5 | 3207 | do_inode_prefetch(mp, 0, traverse_function, false, true); |
a1d54891 MV |
3208 | } |
3209 | ||
2bd0ea18 NS |
3210 | void |
3211 | phase6(xfs_mount_t *mp) | |
3212 | { | |
2bd0ea18 | 3213 | ino_tree_node_t *irec; |
2bd0ea18 | 3214 | int i; |
2bd0ea18 | 3215 | |
dab9b8d6 BN |
3216 | memset(&zerocr, 0, sizeof(struct cred)); |
3217 | memset(&zerofsx, 0, sizeof(struct fsxattr)); | |
6c39a3cb | 3218 | orphanage_ino = 0; |
2bd0ea18 | 3219 | |
507f4e33 | 3220 | do_log(_("Phase 6 - check inode connectivity...\n")); |
2bd0ea18 | 3221 | |
2bd0ea18 NS |
3222 | incore_ext_teardown(mp); |
3223 | ||
0f012a4c | 3224 | add_ino_ex_data(mp); |
2bd0ea18 NS |
3225 | |
3226 | /* | |
3227 | * verify existence of root directory - if we have to | |
3228 | * make one, it's ok for the incore data structs not to | |
3229 | * know about it since everything about it (and the other | |
3230 | * inodes in its chunk if a new chunk was created) are ok | |
3231 | */ | |
3232 | if (need_root_inode) { | |
9a048535 | 3233 | if (!no_modify) { |
507f4e33 | 3234 | do_warn(_("reinitializing root directory\n")); |
2bd0ea18 NS |
3235 | mk_root_dir(mp); |
3236 | need_root_inode = 0; | |
3237 | need_root_dotdot = 0; | |
3238 | } else { | |
507f4e33 | 3239 | do_warn(_("would reinitialize root directory\n")); |
2bd0ea18 NS |
3240 | } |
3241 | } | |
3242 | ||
3243 | if (need_rbmino) { | |
3244 | if (!no_modify) { | |
507f4e33 | 3245 | do_warn(_("reinitializing realtime bitmap inode\n")); |
2bd0ea18 NS |
3246 | mk_rbmino(mp); |
3247 | need_rbmino = 0; | |
3248 | } else { | |
507f4e33 | 3249 | do_warn(_("would reinitialize realtime bitmap inode\n")); |
2bd0ea18 NS |
3250 | } |
3251 | } | |
3252 | ||
3253 | if (need_rsumino) { | |
3254 | if (!no_modify) { | |
507f4e33 | 3255 | do_warn(_("reinitializing realtime summary inode\n")); |
2bd0ea18 NS |
3256 | mk_rsumino(mp); |
3257 | need_rsumino = 0; | |
3258 | } else { | |
507f4e33 | 3259 | do_warn(_("would reinitialize realtime summary inode\n")); |
2bd0ea18 NS |
3260 | } |
3261 | } | |
3262 | ||
3263 | if (!no_modify) { | |
3264 | do_log( | |
507f4e33 | 3265 | _(" - resetting contents of realtime bitmap and summary inodes\n")); |
2bd0ea18 NS |
3266 | if (fill_rbmino(mp)) { |
3267 | do_warn( | |
507f4e33 | 3268 | _("Warning: realtime bitmap may be inconsistent\n")); |
2bd0ea18 NS |
3269 | } |
3270 | ||
3271 | if (fill_rsumino(mp)) { | |
3272 | do_warn( | |
507f4e33 | 3273 | _("Warning: realtime bitmap may be inconsistent\n")); |
2bd0ea18 NS |
3274 | } |
3275 | } | |
3276 | ||
2bd0ea18 NS |
3277 | mark_standalone_inodes(mp); |
3278 | ||
69ec88b5 | 3279 | do_log(_(" - traversing filesystem ...\n")); |
2bd0ea18 | 3280 | |
1ae311d5 | 3281 | irec = find_inode_rec(mp, XFS_INO_TO_AGNO(mp, mp->m_sb.sb_rootino), |
2bd0ea18 NS |
3282 | XFS_INO_TO_AGINO(mp, mp->m_sb.sb_rootino)); |
3283 | ||
3284 | /* | |
3285 | * we always have a root inode, even if it's free... | |
3286 | * if the root is free, forget it, lost+found is already gone | |
3287 | */ | |
3288 | if (is_inode_free(irec, 0) || !inode_isadir(irec, 0)) { | |
3289 | need_root_inode = 1; | |
3290 | } | |
3291 | ||
3292 | /* | |
2556c98b | 3293 | * then process all inodes by walking incore inode tree |
2bd0ea18 | 3294 | */ |
2556c98b | 3295 | traverse_ags(mp); |
2bd0ea18 | 3296 | |
575ca697 BN |
3297 | /* |
3298 | * any directories that had updated ".." entries, rebuild them now | |
3299 | */ | |
3300 | update_missing_dotdot_entries(mp); | |
3301 | ||
69ec88b5 BN |
3302 | do_log(_(" - traversal finished ...\n")); |
3303 | do_log(_(" - moving disconnected inodes to %s ...\n"), | |
6c39a3cb | 3304 | ORPHANAGE); |
2bd0ea18 NS |
3305 | |
3306 | /* | |
3307 | * move all disconnected inodes to the orphanage | |
3308 | */ | |
3309 | for (i = 0; i < glob_agcount; i++) { | |
3310 | irec = findfirst_inode_rec(i); | |
2bd0ea18 | 3311 | while (irec != NULL) { |
2556c98b | 3312 | check_for_orphaned_inodes(mp, i, irec); |
2bd0ea18 NS |
3313 | irec = next_ino_rec(irec); |
3314 | } | |
3315 | } | |
3316 | } |