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959ef981 | 1 | // SPDX-License-Identifier: GPL-2.0 |
2bd0ea18 | 2 | /* |
da23017d NS |
3 | * Copyright (c) 2000-2005 Silicon Graphics, Inc. |
4 | * All Rights Reserved. | |
2bd0ea18 NS |
5 | */ |
6 | ||
6b803e5a | 7 | #include "libxfs.h" |
1164bde5 DC |
8 | #include "threads.h" |
9 | #include "prefetch.h" | |
2bd0ea18 NS |
10 | #include "avl.h" |
11 | #include "globals.h" | |
12 | #include "agheader.h" | |
13 | #include "incore.h" | |
2bd0ea18 | 14 | #include "dir2.h" |
2bd0ea18 NS |
15 | #include "protos.h" |
16 | #include "err_protos.h" | |
17 | #include "dinode.h" | |
06fbdda9 | 18 | #include "progress.h" |
2bd0ea18 NS |
19 | #include "versions.h" |
20 | ||
6c39a3cb BN |
21 | static struct cred zerocr; |
22 | static struct fsxattr zerofsx; | |
23 | static xfs_ino_t orphanage_ino; | |
2bd0ea18 | 24 | |
1acc5385 ES |
25 | static struct xfs_name xfs_name_dot = {(unsigned char *)".", |
26 | 1, | |
27 | XFS_DIR3_FT_DIR}; | |
5e656dbb | 28 | |
3452f451 DW |
29 | /* |
30 | * When we're checking directory inodes, we're allowed to set a directory's | |
31 | * dotdot entry to zero to signal that the parent needs to be reconnected | |
32 | * during phase 6. If we're handling a shortform directory the ifork | |
33 | * verifiers will fail, so temporarily patch out this canary so that we can | |
34 | * verify the rest of the fork and move on to fixing the dir. | |
35 | */ | |
36 | static xfs_failaddr_t | |
37 | phase6_verify_dir( | |
38 | struct xfs_inode *ip) | |
39 | { | |
40 | struct xfs_mount *mp = ip->i_mount; | |
41 | const struct xfs_dir_ops *dops; | |
42 | struct xfs_ifork *ifp; | |
43 | struct xfs_dir2_sf_hdr *sfp; | |
44 | xfs_failaddr_t fa; | |
45 | xfs_ino_t old_parent; | |
46 | bool parent_bypass = false; | |
47 | int size; | |
48 | ||
49 | dops = libxfs_dir_get_ops(mp, NULL); | |
50 | ||
51 | ifp = XFS_IFORK_PTR(ip, XFS_DATA_FORK); | |
52 | sfp = (struct xfs_dir2_sf_hdr *)ifp->if_u1.if_data; | |
53 | size = ifp->if_bytes; | |
54 | ||
55 | /* | |
56 | * If this is a shortform directory, phase4 may have set the parent | |
57 | * inode to zero to indicate that it must be fixed. Temporarily | |
58 | * set a valid parent so that the directory verifier will pass. | |
59 | */ | |
60 | if (size > offsetof(struct xfs_dir2_sf_hdr, parent) && | |
61 | size >= xfs_dir2_sf_hdr_size(sfp->i8count)) { | |
62 | old_parent = dops->sf_get_parent_ino(sfp); | |
63 | if (old_parent == 0) { | |
64 | dops->sf_put_parent_ino(sfp, mp->m_sb.sb_rootino); | |
65 | parent_bypass = true; | |
66 | } | |
67 | } | |
68 | ||
69 | fa = libxfs_default_ifork_ops.verify_dir(ip); | |
70 | ||
71 | /* Put it back. */ | |
72 | if (parent_bypass) | |
73 | dops->sf_put_parent_ino(sfp, old_parent); | |
74 | ||
75 | return fa; | |
76 | } | |
77 | ||
78 | static struct xfs_ifork_ops phase6_ifork_ops = { | |
79 | .verify_attr = xfs_attr_shortform_verify, | |
80 | .verify_dir = phase6_verify_dir, | |
81 | .verify_symlink = xfs_symlink_shortform_verify, | |
82 | }; | |
83 | ||
575ca697 BN |
84 | /* |
85 | * Data structures used to keep track of directories where the ".." | |
86 | * entries are updated. These must be rebuilt after the initial pass | |
87 | */ | |
88 | typedef struct dotdot_update { | |
1177f669 | 89 | struct list_head list; |
575ca697 BN |
90 | ino_tree_node_t *irec; |
91 | xfs_agnumber_t agno; | |
92 | int ino_offset; | |
93 | } dotdot_update_t; | |
94 | ||
1177f669 | 95 | static LIST_HEAD(dotdot_update_list); |
575ca697 BN |
96 | static int dotdot_update; |
97 | ||
98 | static void | |
99 | add_dotdot_update( | |
100 | xfs_agnumber_t agno, | |
101 | ino_tree_node_t *irec, | |
102 | int ino_offset) | |
103 | { | |
104 | dotdot_update_t *dir = malloc(sizeof(dotdot_update_t)); | |
105 | ||
106 | if (!dir) | |
5d1b7f0f | 107 | do_error(_("malloc failed add_dotdot_update (%zu bytes)\n"), |
575ca697 BN |
108 | sizeof(dotdot_update_t)); |
109 | ||
1177f669 | 110 | INIT_LIST_HEAD(&dir->list); |
575ca697 BN |
111 | dir->irec = irec; |
112 | dir->agno = agno; | |
113 | dir->ino_offset = ino_offset; | |
114 | ||
1177f669 | 115 | list_add(&dir->list, &dotdot_update_list); |
575ca697 BN |
116 | } |
117 | ||
2bd0ea18 NS |
118 | /* |
119 | * Data structures and routines to keep track of directory entries | |
33165ec3 BN |
120 | * and whether their leaf entry has been seen. Also used for name |
121 | * duplicate checking and rebuilding step if required. | |
2bd0ea18 NS |
122 | */ |
123 | typedef struct dir_hash_ent { | |
33165ec3 BN |
124 | struct dir_hash_ent *nextbyaddr; /* next in addr bucket */ |
125 | struct dir_hash_ent *nextbyhash; /* next in name bucket */ | |
126 | struct dir_hash_ent *nextbyorder; /* next in order added */ | |
127 | xfs_dahash_t hashval; /* hash value of name */ | |
14f8b681 | 128 | uint32_t address; /* offset of data entry */ |
33165ec3 BN |
129 | xfs_ino_t inum; /* inode num of entry */ |
130 | short junkit; /* name starts with / */ | |
131 | short seen; /* have seen leaf entry */ | |
5e656dbb | 132 | struct xfs_name name; |
2bd0ea18 NS |
133 | } dir_hash_ent_t; |
134 | ||
135 | typedef struct dir_hash_tab { | |
33165ec3 BN |
136 | int size; /* size of hash tables */ |
137 | int names_duped; /* 1 = ent names malloced */ | |
138 | dir_hash_ent_t *first; /* ptr to first added entry */ | |
139 | dir_hash_ent_t *last; /* ptr to last added entry */ | |
140 | dir_hash_ent_t **byhash; /* ptr to name hash buckets */ | |
141 | dir_hash_ent_t **byaddr; /* ptr to addr hash buckets */ | |
2bd0ea18 | 142 | } dir_hash_tab_t; |
33165ec3 | 143 | |
2bd0ea18 | 144 | #define DIR_HASH_TAB_SIZE(n) \ |
33165ec3 | 145 | (sizeof(dir_hash_tab_t) + (sizeof(dir_hash_ent_t *) * (n) * 2)) |
2bd0ea18 NS |
146 | #define DIR_HASH_FUNC(t,a) ((a) % (t)->size) |
147 | ||
148 | /* | |
149 | * Track the contents of the freespace table in a directory. | |
150 | */ | |
151 | typedef struct freetab { | |
9d7d6241 NS |
152 | int naents; /* expected number of data blocks */ |
153 | int nents; /* number of data blocks processed */ | |
2bd0ea18 NS |
154 | struct freetab_ent { |
155 | xfs_dir2_data_off_t v; | |
156 | short s; | |
157 | } ents[1]; | |
158 | } freetab_t; | |
159 | #define FREETAB_SIZE(n) \ | |
160 | (offsetof(freetab_t, ents) + (sizeof(struct freetab_ent) * (n))) | |
161 | ||
162 | #define DIR_HASH_CK_OK 0 | |
163 | #define DIR_HASH_CK_DUPLEAF 1 | |
164 | #define DIR_HASH_CK_BADHASH 2 | |
165 | #define DIR_HASH_CK_NODATA 3 | |
166 | #define DIR_HASH_CK_NOLEAF 4 | |
167 | #define DIR_HASH_CK_BADSTALE 5 | |
507f4e33 | 168 | #define DIR_HASH_CK_TOTAL 6 |
2bd0ea18 | 169 | |
8e7e14be DC |
170 | /* |
171 | * Need to handle CRC and validation errors specially here. If there is a | |
172 | * validator error, re-read without the verifier so that we get a buffer we can | |
173 | * check and repair. Re-attach the ops to the buffer after the read so that when | |
174 | * it is rewritten the CRC is recalculated. | |
175 | * | |
176 | * If the buffer was not read, we return an error. If the buffer was read but | |
177 | * had a CRC or corruption error, we reread it without the verifier and if it is | |
178 | * read successfully we increment *crc_error and return 0. Otherwise we | |
179 | * return the read error. | |
180 | */ | |
181 | static int | |
182 | dir_read_buf( | |
183 | struct xfs_inode *ip, | |
184 | xfs_dablk_t bno, | |
185 | xfs_daddr_t mappedbno, | |
186 | struct xfs_buf **bpp, | |
187 | const struct xfs_buf_ops *ops, | |
188 | int *crc_error) | |
189 | { | |
190 | int error; | |
191 | int error2; | |
192 | ||
12b53197 | 193 | error = -libxfs_da_read_buf(NULL, ip, bno, mappedbno, bpp, |
8e7e14be DC |
194 | XFS_DATA_FORK, ops); |
195 | ||
196 | if (error != EFSBADCRC && error != EFSCORRUPTED) | |
197 | return error; | |
198 | ||
12b53197 | 199 | error2 = -libxfs_da_read_buf(NULL, ip, bno, mappedbno, bpp, |
8e7e14be DC |
200 | XFS_DATA_FORK, NULL); |
201 | if (error2) | |
202 | return error2; | |
203 | ||
204 | (*crc_error)++; | |
205 | (*bpp)->b_ops = ops; | |
206 | return 0; | |
207 | } | |
208 | ||
33165ec3 BN |
209 | /* |
210 | * Returns 0 if the name already exists (ie. a duplicate) | |
211 | */ | |
212 | static int | |
2bd0ea18 | 213 | dir_hash_add( |
51ca7008 | 214 | xfs_mount_t *mp, |
2bd0ea18 | 215 | dir_hash_tab_t *hashtab, |
14f8b681 | 216 | uint32_t addr, |
33165ec3 BN |
217 | xfs_ino_t inum, |
218 | int namelen, | |
aaca101b | 219 | unsigned char *name, |
14f8b681 | 220 | uint8_t ftype) |
2bd0ea18 | 221 | { |
33165ec3 BN |
222 | xfs_dahash_t hash = 0; |
223 | int byaddr; | |
224 | int byhash = 0; | |
2bd0ea18 | 225 | dir_hash_ent_t *p; |
33165ec3 BN |
226 | int dup; |
227 | short junk; | |
5e656dbb | 228 | struct xfs_name xname; |
0f012a4c | 229 | |
33165ec3 | 230 | ASSERT(!hashtab->names_duped); |
0f012a4c | 231 | |
5e656dbb BN |
232 | xname.name = name; |
233 | xname.len = namelen; | |
aaca101b | 234 | xname.type = ftype; |
5e656dbb | 235 | |
33165ec3 BN |
236 | junk = name[0] == '/'; |
237 | byaddr = DIR_HASH_FUNC(hashtab, addr); | |
238 | dup = 0; | |
2bd0ea18 | 239 | |
33165ec3 | 240 | if (!junk) { |
5e656dbb | 241 | hash = mp->m_dirnameops->hashname(&xname); |
33165ec3 BN |
242 | byhash = DIR_HASH_FUNC(hashtab, hash); |
243 | ||
0f012a4c | 244 | /* |
33165ec3 BN |
245 | * search hash bucket for existing name. |
246 | */ | |
247 | for (p = hashtab->byhash[byhash]; p; p = p->nextbyhash) { | |
5e656dbb BN |
248 | if (p->hashval == hash && p->name.len == namelen) { |
249 | if (memcmp(p->name.name, name, namelen) == 0) { | |
33165ec3 BN |
250 | dup = 1; |
251 | junk = 1; | |
252 | break; | |
253 | } | |
254 | } | |
255 | } | |
256 | } | |
0f012a4c | 257 | |
507f4e33 | 258 | if ((p = malloc(sizeof(*p))) == NULL) |
5d1b7f0f | 259 | do_error(_("malloc failed in dir_hash_add (%zu bytes)\n"), |
2bd0ea18 | 260 | sizeof(*p)); |
0f012a4c | 261 | |
33165ec3 BN |
262 | p->nextbyaddr = hashtab->byaddr[byaddr]; |
263 | hashtab->byaddr[byaddr] = p; | |
0f012a4c | 264 | if (hashtab->last) |
33165ec3 BN |
265 | hashtab->last->nextbyorder = p; |
266 | else | |
267 | hashtab->first = p; | |
268 | p->nextbyorder = NULL; | |
269 | hashtab->last = p; | |
0f012a4c | 270 | |
33165ec3 BN |
271 | if (!(p->junkit = junk)) { |
272 | p->hashval = hash; | |
273 | p->nextbyhash = hashtab->byhash[byhash]; | |
274 | hashtab->byhash[byhash] = p; | |
275 | } | |
276 | p->address = addr; | |
277 | p->inum = inum; | |
2bd0ea18 | 278 | p->seen = 0; |
5e656dbb | 279 | p->name = xname; |
0f012a4c | 280 | |
33165ec3 | 281 | return !dup; |
2bd0ea18 NS |
282 | } |
283 | ||
33165ec3 | 284 | /* |
0f012a4c | 285 | * checks to see if any data entries are not in the leaf blocks |
33165ec3 | 286 | */ |
2bd0ea18 NS |
287 | static int |
288 | dir_hash_unseen( | |
289 | dir_hash_tab_t *hashtab) | |
290 | { | |
291 | int i; | |
292 | dir_hash_ent_t *p; | |
293 | ||
294 | for (i = 0; i < hashtab->size; i++) { | |
33165ec3 | 295 | for (p = hashtab->byaddr[i]; p; p = p->nextbyaddr) { |
2bd0ea18 NS |
296 | if (p->seen == 0) |
297 | return 1; | |
298 | } | |
299 | } | |
300 | return 0; | |
301 | } | |
302 | ||
303 | static int | |
304 | dir_hash_check( | |
305 | dir_hash_tab_t *hashtab, | |
306 | xfs_inode_t *ip, | |
307 | int seeval) | |
308 | { | |
507f4e33 NS |
309 | static char *seevalstr[DIR_HASH_CK_TOTAL]; |
310 | static int done; | |
311 | ||
312 | if (!done) { | |
313 | seevalstr[DIR_HASH_CK_OK] = _("ok"); | |
314 | seevalstr[DIR_HASH_CK_DUPLEAF] = _("duplicate leaf"); | |
315 | seevalstr[DIR_HASH_CK_BADHASH] = _("hash value mismatch"); | |
316 | seevalstr[DIR_HASH_CK_NODATA] = _("no data entry"); | |
317 | seevalstr[DIR_HASH_CK_NOLEAF] = _("no leaf entry"); | |
318 | seevalstr[DIR_HASH_CK_BADSTALE] = _("bad stale count"); | |
319 | done = 1; | |
320 | } | |
2bd0ea18 NS |
321 | |
322 | if (seeval == DIR_HASH_CK_OK && dir_hash_unseen(hashtab)) | |
323 | seeval = DIR_HASH_CK_NOLEAF; | |
324 | if (seeval == DIR_HASH_CK_OK) | |
325 | return 0; | |
5d1b7f0f | 326 | do_warn(_("bad hash table for directory inode %" PRIu64 " (%s): "), |
507f4e33 | 327 | ip->i_ino, seevalstr[seeval]); |
2bd0ea18 | 328 | if (!no_modify) |
507f4e33 | 329 | do_warn(_("rebuilding\n")); |
2bd0ea18 | 330 | else |
507f4e33 | 331 | do_warn(_("would rebuild\n")); |
2bd0ea18 NS |
332 | return 1; |
333 | } | |
334 | ||
335 | static void | |
336 | dir_hash_done( | |
337 | dir_hash_tab_t *hashtab) | |
338 | { | |
339 | int i; | |
340 | dir_hash_ent_t *n; | |
341 | dir_hash_ent_t *p; | |
342 | ||
343 | for (i = 0; i < hashtab->size; i++) { | |
33165ec3 BN |
344 | for (p = hashtab->byaddr[i]; p; p = n) { |
345 | n = p->nextbyaddr; | |
346 | if (hashtab->names_duped) | |
5e656dbb | 347 | free((void *)p->name.name); |
2bd0ea18 NS |
348 | free(p); |
349 | } | |
350 | } | |
351 | free(hashtab); | |
352 | } | |
353 | ||
354 | static dir_hash_tab_t * | |
355 | dir_hash_init( | |
356 | xfs_fsize_t size) | |
357 | { | |
358 | dir_hash_tab_t *hashtab; | |
359 | int hsize; | |
360 | ||
361 | hsize = size / (16 * 4); | |
2556c98b BN |
362 | if (hsize > 65536) |
363 | hsize = 63336; | |
2bd0ea18 NS |
364 | else if (hsize < 16) |
365 | hsize = 16; | |
507f4e33 NS |
366 | if ((hashtab = calloc(DIR_HASH_TAB_SIZE(hsize), 1)) == NULL) |
367 | do_error(_("calloc failed in dir_hash_init\n")); | |
2bd0ea18 | 368 | hashtab->size = hsize; |
0f012a4c | 369 | hashtab->byhash = (dir_hash_ent_t**)((char *)hashtab + |
33165ec3 | 370 | sizeof(dir_hash_tab_t)); |
0f012a4c | 371 | hashtab->byaddr = (dir_hash_ent_t**)((char *)hashtab + |
33165ec3 | 372 | sizeof(dir_hash_tab_t) + sizeof(dir_hash_ent_t*) * hsize); |
2bd0ea18 NS |
373 | return hashtab; |
374 | } | |
375 | ||
376 | static int | |
377 | dir_hash_see( | |
378 | dir_hash_tab_t *hashtab, | |
379 | xfs_dahash_t hash, | |
380 | xfs_dir2_dataptr_t addr) | |
381 | { | |
382 | int i; | |
383 | dir_hash_ent_t *p; | |
384 | ||
385 | i = DIR_HASH_FUNC(hashtab, addr); | |
33165ec3 BN |
386 | for (p = hashtab->byaddr[i]; p; p = p->nextbyaddr) { |
387 | if (p->address != addr) | |
2bd0ea18 NS |
388 | continue; |
389 | if (p->seen) | |
390 | return DIR_HASH_CK_DUPLEAF; | |
33165ec3 | 391 | if (p->junkit == 0 && p->hashval != hash) |
2bd0ea18 NS |
392 | return DIR_HASH_CK_BADHASH; |
393 | p->seen = 1; | |
394 | return DIR_HASH_CK_OK; | |
395 | } | |
396 | return DIR_HASH_CK_NODATA; | |
397 | } | |
398 | ||
aaca101b DC |
399 | static void |
400 | dir_hash_update_ftype( | |
401 | dir_hash_tab_t *hashtab, | |
402 | xfs_dir2_dataptr_t addr, | |
14f8b681 | 403 | uint8_t ftype) |
aaca101b DC |
404 | { |
405 | int i; | |
406 | dir_hash_ent_t *p; | |
407 | ||
408 | i = DIR_HASH_FUNC(hashtab, addr); | |
409 | for (p = hashtab->byaddr[i]; p; p = p->nextbyaddr) { | |
410 | if (p->address != addr) | |
411 | continue; | |
412 | p->name.type = ftype; | |
413 | } | |
414 | } | |
415 | ||
33165ec3 BN |
416 | /* |
417 | * checks to make sure leafs match a data entry, and that the stale | |
418 | * count is valid. | |
419 | */ | |
2bd0ea18 NS |
420 | static int |
421 | dir_hash_see_all( | |
422 | dir_hash_tab_t *hashtab, | |
423 | xfs_dir2_leaf_entry_t *ents, | |
424 | int count, | |
425 | int stale) | |
426 | { | |
427 | int i; | |
428 | int j; | |
429 | int rval; | |
430 | ||
431 | for (i = j = 0; i < count; i++) { | |
5e656dbb | 432 | if (be32_to_cpu(ents[i].address) == XFS_DIR2_NULL_DATAPTR) { |
2bd0ea18 NS |
433 | j++; |
434 | continue; | |
435 | } | |
5e656dbb BN |
436 | rval = dir_hash_see(hashtab, be32_to_cpu(ents[i].hashval), |
437 | be32_to_cpu(ents[i].address)); | |
2bd0ea18 NS |
438 | if (rval != DIR_HASH_CK_OK) |
439 | return rval; | |
440 | } | |
441 | return j == stale ? DIR_HASH_CK_OK : DIR_HASH_CK_BADSTALE; | |
442 | } | |
443 | ||
64c54486 | 444 | /* |
33165ec3 BN |
445 | * Convert name pointers into locally allocated memory. |
446 | * This must only be done after all the entries have been added. | |
64c54486 | 447 | */ |
33165ec3 BN |
448 | static void |
449 | dir_hash_dup_names(dir_hash_tab_t *hashtab) | |
64c54486 | 450 | { |
56b2de80 | 451 | unsigned char *name; |
33165ec3 | 452 | dir_hash_ent_t *p; |
0f012a4c | 453 | |
33165ec3 BN |
454 | if (hashtab->names_duped) |
455 | return; | |
0f012a4c | 456 | |
33165ec3 | 457 | for (p = hashtab->first; p; p = p->nextbyorder) { |
5e656dbb BN |
458 | name = malloc(p->name.len); |
459 | memcpy(name, p->name.name, p->name.len); | |
460 | p->name.name = name; | |
64c54486 | 461 | } |
33165ec3 | 462 | hashtab->names_duped = 1; |
64c54486 BN |
463 | } |
464 | ||
2bd0ea18 | 465 | /* |
5e656dbb BN |
466 | * Given a block number in a fork, return the next valid block number |
467 | * (not a hole). | |
468 | * If this is the last block number then NULLFILEOFF is returned. | |
469 | * | |
470 | * This was originally in the kernel, but only used in xfs_repair. | |
471 | */ | |
2bd0ea18 | 472 | static int |
5e656dbb BN |
473 | bmap_next_offset( |
474 | xfs_trans_t *tp, /* transaction pointer */ | |
475 | xfs_inode_t *ip, /* incore inode */ | |
476 | xfs_fileoff_t *bnop, /* current block */ | |
477 | int whichfork) /* data or attr fork */ | |
2bd0ea18 | 478 | { |
5e656dbb | 479 | xfs_fileoff_t bno; /* current block */ |
5e656dbb BN |
480 | int error; /* error return value */ |
481 | xfs_bmbt_irec_t got; /* current extent value */ | |
e07055b8 | 482 | struct xfs_ifork *ifp; /* inode fork pointer */ |
9788e059 | 483 | struct xfs_iext_cursor icur; |
5e656dbb BN |
484 | |
485 | if (XFS_IFORK_FORMAT(ip, whichfork) != XFS_DINODE_FMT_BTREE && | |
486 | XFS_IFORK_FORMAT(ip, whichfork) != XFS_DINODE_FMT_EXTENTS && | |
487 | XFS_IFORK_FORMAT(ip, whichfork) != XFS_DINODE_FMT_LOCAL) | |
488 | return EIO; | |
489 | if (XFS_IFORK_FORMAT(ip, whichfork) == XFS_DINODE_FMT_LOCAL) { | |
490 | *bnop = NULLFILEOFF; | |
491 | return 0; | |
492 | } | |
493 | ifp = XFS_IFORK_PTR(ip, whichfork); | |
494 | if (!(ifp->if_flags & XFS_IFEXTENTS) && | |
e2f60652 | 495 | (error = -libxfs_iread_extents(tp, ip, whichfork))) |
5e656dbb BN |
496 | return error; |
497 | bno = *bnop + 1; | |
9788e059 | 498 | if (!libxfs_iext_lookup_extent(ip, ifp, bno, &icur, &got)) |
5e656dbb | 499 | *bnop = NULLFILEOFF; |
2bd0ea18 | 500 | else |
5e656dbb BN |
501 | *bnop = got.br_startoff < bno ? bno : got.br_startoff; |
502 | return 0; | |
2bd0ea18 NS |
503 | } |
504 | ||
505 | ||
506 | static void | |
507 | res_failed( | |
508 | int err) | |
509 | { | |
510 | if (err == ENOSPC) { | |
507f4e33 | 511 | do_error(_("ran out of disk space!\n")); |
2bd0ea18 | 512 | } else |
507f4e33 | 513 | do_error(_("xfs_trans_reserve returned %d\n"), err); |
2bd0ea18 NS |
514 | } |
515 | ||
00ff2b10 | 516 | static void |
2bd0ea18 NS |
517 | mk_rbmino(xfs_mount_t *mp) |
518 | { | |
519 | xfs_trans_t *tp; | |
520 | xfs_inode_t *ip; | |
521 | xfs_bmbt_irec_t *ep; | |
2bd0ea18 NS |
522 | int i; |
523 | int nmap; | |
2bd0ea18 | 524 | int error; |
5a35bf2c | 525 | xfs_fileoff_t bno; |
2bd0ea18 | 526 | xfs_bmbt_irec_t map[XFS_BMAP_MAX_NMAP]; |
41ce5f36 DC |
527 | int vers; |
528 | int times; | |
225e4bb2 | 529 | uint blocks; |
2bd0ea18 NS |
530 | |
531 | /* | |
532 | * first set up inode | |
533 | */ | |
225e4bb2 | 534 | i = -libxfs_trans_alloc_rollable(mp, 10, &tp); |
48ea6cb9 | 535 | if (i) |
2bd0ea18 NS |
536 | res_failed(i); |
537 | ||
e2dd0e1c DW |
538 | error = -libxfs_iget(mp, tp, mp->m_sb.sb_rbmino, 0, &ip, |
539 | &xfs_default_ifork_ops); | |
2bd0ea18 | 540 | if (error) { |
507f4e33 NS |
541 | do_error( |
542 | _("couldn't iget realtime bitmap inode -- error - %d\n"), | |
2bd0ea18 NS |
543 | error); |
544 | } | |
545 | ||
138659f1 DC |
546 | vers = xfs_sb_version_hascrc(&mp->m_sb) ? 3 : 2; |
547 | memset(&ip->i_d, 0, sizeof(ip->i_d)); | |
2bd0ea18 | 548 | |
e37bf53c | 549 | VFS_I(ip)->i_mode = S_IFREG; |
41ce5f36 | 550 | ip->i_d.di_version = vers; |
2bd0ea18 NS |
551 | ip->i_d.di_format = XFS_DINODE_FMT_EXTENTS; |
552 | ip->i_d.di_aformat = XFS_DINODE_FMT_EXTENTS; | |
553 | ||
bcbe04c1 | 554 | set_nlink(VFS_I(ip), 1); /* account for sb ptr */ |
2bd0ea18 | 555 | |
41ce5f36 DC |
556 | times = XFS_ICHGTIME_CHG | XFS_ICHGTIME_MOD; |
557 | if (ip->i_d.di_version == 3) { | |
9abcc5cd | 558 | VFS_I(ip)->i_version = 1; |
41ce5f36 | 559 | ip->i_d.di_flags2 = 0; |
41ce5f36 DC |
560 | times |= XFS_ICHGTIME_CREATE; |
561 | } | |
562 | libxfs_trans_ichgtime(tp, ip, times); | |
563 | ||
2bd0ea18 NS |
564 | /* |
565 | * now the ifork | |
566 | */ | |
567 | ip->i_df.if_flags = XFS_IFEXTENTS; | |
9685aa3e | 568 | ip->i_df.if_bytes = 0; |
b37d753d | 569 | ip->i_df.if_u1.if_root = NULL; |
2bd0ea18 NS |
570 | |
571 | ip->i_d.di_size = mp->m_sb.sb_rbmblocks * mp->m_sb.sb_blocksize; | |
572 | ||
573 | /* | |
574 | * commit changes | |
575 | */ | |
e2dd0e1c | 576 | libxfs_trans_ijoin(tp, ip, 0); |
2bd0ea18 | 577 | libxfs_trans_log_inode(tp, ip, XFS_ILOG_CORE); |
f2279d8d DW |
578 | error = -libxfs_trans_commit(tp); |
579 | if (error) | |
580 | do_error(_("%s: commit failed, error %d\n"), __func__, error); | |
2bd0ea18 NS |
581 | |
582 | /* | |
583 | * then allocate blocks for file and fill with zeroes (stolen | |
584 | * from mkfs) | |
585 | */ | |
225e4bb2 DW |
586 | blocks = mp->m_sb.sb_rbmblocks + |
587 | XFS_BM_MAXLEVELS(mp, XFS_DATA_FORK) - 1; | |
588 | error = -libxfs_trans_alloc_rollable(mp, blocks, &tp); | |
48ea6cb9 | 589 | if (error) |
2bd0ea18 NS |
590 | res_failed(error); |
591 | ||
592 | libxfs_trans_ijoin(tp, ip, 0); | |
593 | bno = 0; | |
2bd0ea18 NS |
594 | while (bno < mp->m_sb.sb_rbmblocks) { |
595 | nmap = XFS_BMAP_MAX_NMAP; | |
12b53197 | 596 | error = -libxfs_bmapi_write(tp, ip, bno, |
2bd0ea18 | 597 | (xfs_extlen_t)(mp->m_sb.sb_rbmblocks - bno), |
b39f9fcb | 598 | 0, mp->m_sb.sb_rbmblocks, map, &nmap); |
2bd0ea18 | 599 | if (error) { |
507f4e33 NS |
600 | do_error( |
601 | _("couldn't allocate realtime bitmap, error = %d\n"), | |
2bd0ea18 NS |
602 | error); |
603 | } | |
604 | for (i = 0, ep = map; i < nmap; i++, ep++) { | |
75c8b434 | 605 | libxfs_device_zero(mp->m_ddev_targp, |
2bd0ea18 NS |
606 | XFS_FSB_TO_DADDR(mp, ep->br_startblock), |
607 | XFS_FSB_TO_BB(mp, ep->br_blockcount)); | |
608 | bno += ep->br_blockcount; | |
609 | } | |
610 | } | |
f2279d8d DW |
611 | error = -libxfs_trans_commit(tp); |
612 | if (error) { | |
613 | do_error( | |
614 | _("allocation of the realtime bitmap failed, error = %d\n"), | |
615 | error); | |
616 | } | |
31845e4c | 617 | libxfs_irele(ip); |
2bd0ea18 NS |
618 | } |
619 | ||
8b8a6b02 | 620 | static int |
2bd0ea18 NS |
621 | fill_rbmino(xfs_mount_t *mp) |
622 | { | |
623 | xfs_buf_t *bp; | |
624 | xfs_trans_t *tp; | |
625 | xfs_inode_t *ip; | |
626 | xfs_rtword_t *bmp; | |
2bd0ea18 NS |
627 | int nmap; |
628 | int error; | |
5a35bf2c | 629 | xfs_fileoff_t bno; |
2bd0ea18 NS |
630 | xfs_bmbt_irec_t map; |
631 | ||
632 | bmp = btmcompute; | |
633 | bno = 0; | |
634 | ||
225e4bb2 | 635 | error = -libxfs_trans_alloc_rollable(mp, 10, &tp); |
48ea6cb9 | 636 | if (error) |
2bd0ea18 NS |
637 | res_failed(error); |
638 | ||
e2dd0e1c DW |
639 | error = -libxfs_iget(mp, tp, mp->m_sb.sb_rbmino, 0, &ip, |
640 | &xfs_default_ifork_ops); | |
2bd0ea18 | 641 | if (error) { |
507f4e33 NS |
642 | do_error( |
643 | _("couldn't iget realtime bitmap inode -- error - %d\n"), | |
2bd0ea18 NS |
644 | error); |
645 | } | |
646 | ||
647 | while (bno < mp->m_sb.sb_rbmblocks) { | |
648 | /* | |
649 | * fill the file one block at a time | |
650 | */ | |
e2dd0e1c | 651 | libxfs_trans_ijoin(tp, ip, 0); |
2bd0ea18 | 652 | nmap = 1; |
b39f9fcb | 653 | error = -libxfs_bmapi_write(tp, ip, bno, 1, 0, 1, &map, &nmap); |
2bd0ea18 NS |
654 | if (error || nmap != 1) { |
655 | do_error( | |
5d1b7f0f | 656 | _("couldn't map realtime bitmap block %" PRIu64 ", error = %d\n"), |
2bd0ea18 NS |
657 | bno, error); |
658 | } | |
659 | ||
660 | ASSERT(map.br_startblock != HOLESTARTBLOCK); | |
661 | ||
12b53197 | 662 | error = -libxfs_trans_read_buf( |
2bd0ea18 | 663 | mp, tp, mp->m_dev, |
dfc130f3 | 664 | XFS_FSB_TO_DADDR(mp, map.br_startblock), |
a2ceac1f | 665 | XFS_FSB_TO_BB(mp, 1), 1, &bp, NULL); |
2bd0ea18 NS |
666 | |
667 | if (error) { | |
668 | do_warn( | |
5d1b7f0f | 669 | _("can't access block %" PRIu64 " (fsbno %" PRIu64 ") of realtime bitmap inode %" PRIu64 "\n"), |
2bd0ea18 NS |
670 | bno, map.br_startblock, mp->m_sb.sb_rbmino); |
671 | return(1); | |
672 | } | |
673 | ||
04338619 | 674 | memmove(bp->b_addr, bmp, mp->m_sb.sb_blocksize); |
2bd0ea18 NS |
675 | |
676 | libxfs_trans_log_buf(tp, bp, 0, mp->m_sb.sb_blocksize - 1); | |
677 | ||
ee6cd73e | 678 | bmp = (xfs_rtword_t *)((intptr_t) bmp + mp->m_sb.sb_blocksize); |
2bd0ea18 NS |
679 | bno++; |
680 | } | |
681 | ||
f2279d8d DW |
682 | error = -libxfs_trans_commit(tp); |
683 | if (error) | |
684 | do_error(_("%s: commit failed, error %d\n"), __func__, error); | |
31845e4c | 685 | libxfs_irele(ip); |
2bd0ea18 NS |
686 | return(0); |
687 | } | |
688 | ||
8b8a6b02 | 689 | static int |
2bd0ea18 NS |
690 | fill_rsumino(xfs_mount_t *mp) |
691 | { | |
692 | xfs_buf_t *bp; | |
693 | xfs_trans_t *tp; | |
694 | xfs_inode_t *ip; | |
695 | xfs_suminfo_t *smp; | |
2bd0ea18 NS |
696 | int nmap; |
697 | int error; | |
5a35bf2c DC |
698 | xfs_fileoff_t bno; |
699 | xfs_fileoff_t end_bno; | |
2bd0ea18 NS |
700 | xfs_bmbt_irec_t map; |
701 | ||
702 | smp = sumcompute; | |
703 | bno = 0; | |
704 | end_bno = mp->m_rsumsize >> mp->m_sb.sb_blocklog; | |
705 | ||
225e4bb2 | 706 | error = -libxfs_trans_alloc_rollable(mp, 10, &tp); |
48ea6cb9 | 707 | if (error) |
2bd0ea18 NS |
708 | res_failed(error); |
709 | ||
e2dd0e1c DW |
710 | error = -libxfs_iget(mp, tp, mp->m_sb.sb_rsumino, 0, &ip, |
711 | &xfs_default_ifork_ops); | |
2bd0ea18 | 712 | if (error) { |
507f4e33 NS |
713 | do_error( |
714 | _("couldn't iget realtime summary inode -- error - %d\n"), | |
2bd0ea18 NS |
715 | error); |
716 | } | |
717 | ||
718 | while (bno < end_bno) { | |
719 | /* | |
720 | * fill the file one block at a time | |
721 | */ | |
e2dd0e1c | 722 | libxfs_trans_ijoin(tp, ip, 0); |
2bd0ea18 | 723 | nmap = 1; |
b39f9fcb | 724 | error = -libxfs_bmapi_write(tp, ip, bno, 1, 0, 1, &map, &nmap); |
2bd0ea18 NS |
725 | if (error || nmap != 1) { |
726 | do_error( | |
5d1b7f0f | 727 | _("couldn't map realtime summary inode block %" PRIu64 ", error = %d\n"), |
2bd0ea18 NS |
728 | bno, error); |
729 | } | |
730 | ||
731 | ASSERT(map.br_startblock != HOLESTARTBLOCK); | |
732 | ||
12b53197 | 733 | error = -libxfs_trans_read_buf( |
2bd0ea18 | 734 | mp, tp, mp->m_dev, |
dfc130f3 | 735 | XFS_FSB_TO_DADDR(mp, map.br_startblock), |
a2ceac1f | 736 | XFS_FSB_TO_BB(mp, 1), 1, &bp, NULL); |
2bd0ea18 NS |
737 | |
738 | if (error) { | |
739 | do_warn( | |
5d1b7f0f | 740 | _("can't access block %" PRIu64 " (fsbno %" PRIu64 ") of realtime summary inode %" PRIu64 "\n"), |
2bd0ea18 | 741 | bno, map.br_startblock, mp->m_sb.sb_rsumino); |
31845e4c | 742 | libxfs_irele(ip); |
2bd0ea18 NS |
743 | return(1); |
744 | } | |
745 | ||
04338619 | 746 | memmove(bp->b_addr, smp, mp->m_sb.sb_blocksize); |
2bd0ea18 NS |
747 | |
748 | libxfs_trans_log_buf(tp, bp, 0, mp->m_sb.sb_blocksize - 1); | |
749 | ||
ee6cd73e | 750 | smp = (xfs_suminfo_t *)((intptr_t)smp + mp->m_sb.sb_blocksize); |
2bd0ea18 NS |
751 | bno++; |
752 | } | |
753 | ||
f2279d8d DW |
754 | error = -libxfs_trans_commit(tp); |
755 | if (error) | |
756 | do_error(_("%s: commit failed, error %d\n"), __func__, error); | |
31845e4c | 757 | libxfs_irele(ip); |
2bd0ea18 NS |
758 | return(0); |
759 | } | |
760 | ||
8b8a6b02 | 761 | static void |
2bd0ea18 NS |
762 | mk_rsumino(xfs_mount_t *mp) |
763 | { | |
764 | xfs_trans_t *tp; | |
765 | xfs_inode_t *ip; | |
766 | xfs_bmbt_irec_t *ep; | |
2bd0ea18 NS |
767 | int i; |
768 | int nmap; | |
2bd0ea18 NS |
769 | int error; |
770 | int nsumblocks; | |
5a35bf2c | 771 | xfs_fileoff_t bno; |
2bd0ea18 | 772 | xfs_bmbt_irec_t map[XFS_BMAP_MAX_NMAP]; |
41ce5f36 DC |
773 | int vers; |
774 | int times; | |
225e4bb2 | 775 | uint blocks; |
2bd0ea18 NS |
776 | |
777 | /* | |
778 | * first set up inode | |
779 | */ | |
9074815c | 780 | i = -libxfs_trans_alloc(mp, &M_RES(mp)->tr_ichange, 10, 0, 0, &tp); |
48ea6cb9 | 781 | if (i) |
2bd0ea18 NS |
782 | res_failed(i); |
783 | ||
e2dd0e1c DW |
784 | error = -libxfs_iget(mp, tp, mp->m_sb.sb_rsumino, 0, &ip, |
785 | &xfs_default_ifork_ops); | |
2bd0ea18 | 786 | if (error) { |
507f4e33 NS |
787 | do_error( |
788 | _("couldn't iget realtime summary inode -- error - %d\n"), | |
2bd0ea18 NS |
789 | error); |
790 | } | |
791 | ||
643f6acc | 792 | vers = xfs_sb_version_hascrc(&mp->m_sb) ? 3 : 2; |
138659f1 | 793 | memset(&ip->i_d, 0, sizeof(ip->i_d)); |
2bd0ea18 | 794 | |
e37bf53c | 795 | VFS_I(ip)->i_mode = S_IFREG; |
41ce5f36 | 796 | ip->i_d.di_version = vers; |
2bd0ea18 NS |
797 | ip->i_d.di_format = XFS_DINODE_FMT_EXTENTS; |
798 | ip->i_d.di_aformat = XFS_DINODE_FMT_EXTENTS; | |
799 | ||
bcbe04c1 | 800 | set_nlink(VFS_I(ip), 1); /* account for sb ptr */ |
2bd0ea18 | 801 | |
41ce5f36 DC |
802 | times = XFS_ICHGTIME_CHG | XFS_ICHGTIME_MOD; |
803 | if (ip->i_d.di_version == 3) { | |
9abcc5cd | 804 | VFS_I(ip)->i_version = 1; |
41ce5f36 | 805 | ip->i_d.di_flags2 = 0; |
41ce5f36 DC |
806 | times |= XFS_ICHGTIME_CREATE; |
807 | } | |
808 | libxfs_trans_ichgtime(tp, ip, times); | |
809 | ||
2bd0ea18 NS |
810 | /* |
811 | * now the ifork | |
812 | */ | |
813 | ip->i_df.if_flags = XFS_IFEXTENTS; | |
9685aa3e | 814 | ip->i_df.if_bytes = 0; |
b37d753d | 815 | ip->i_df.if_u1.if_root = NULL; |
2bd0ea18 NS |
816 | |
817 | ip->i_d.di_size = mp->m_rsumsize; | |
818 | ||
819 | /* | |
820 | * commit changes | |
821 | */ | |
e2dd0e1c | 822 | libxfs_trans_ijoin(tp, ip, 0); |
2bd0ea18 | 823 | libxfs_trans_log_inode(tp, ip, XFS_ILOG_CORE); |
f2279d8d DW |
824 | error = -libxfs_trans_commit(tp); |
825 | if (error) | |
826 | do_error(_("%s: commit failed, error %d\n"), __func__, error); | |
2bd0ea18 NS |
827 | |
828 | /* | |
829 | * then allocate blocks for file and fill with zeroes (stolen | |
830 | * from mkfs) | |
831 | */ | |
2bd0ea18 | 832 | nsumblocks = mp->m_rsumsize >> mp->m_sb.sb_blocklog; |
225e4bb2 DW |
833 | blocks = nsumblocks + XFS_BM_MAXLEVELS(mp, XFS_DATA_FORK) - 1; |
834 | error = -libxfs_trans_alloc_rollable(mp, blocks, &tp); | |
48ea6cb9 | 835 | if (error) |
2bd0ea18 NS |
836 | res_failed(error); |
837 | ||
838 | libxfs_trans_ijoin(tp, ip, 0); | |
839 | bno = 0; | |
2bd0ea18 NS |
840 | while (bno < nsumblocks) { |
841 | nmap = XFS_BMAP_MAX_NMAP; | |
12b53197 | 842 | error = -libxfs_bmapi_write(tp, ip, bno, |
2bd0ea18 | 843 | (xfs_extlen_t)(nsumblocks - bno), |
b39f9fcb | 844 | 0, nsumblocks, map, &nmap); |
2bd0ea18 NS |
845 | if (error) { |
846 | do_error( | |
507f4e33 | 847 | _("couldn't allocate realtime summary inode, error = %d\n"), |
2bd0ea18 NS |
848 | error); |
849 | } | |
850 | for (i = 0, ep = map; i < nmap; i++, ep++) { | |
75c8b434 | 851 | libxfs_device_zero(mp->m_ddev_targp, |
2bd0ea18 NS |
852 | XFS_FSB_TO_DADDR(mp, ep->br_startblock), |
853 | XFS_FSB_TO_BB(mp, ep->br_blockcount)); | |
2bd0ea18 NS |
854 | bno += ep->br_blockcount; |
855 | } | |
856 | } | |
f2279d8d DW |
857 | error = -libxfs_trans_commit(tp); |
858 | if (error) { | |
859 | do_error( | |
860 | _("allocation of the realtime summary ino failed, error = %d\n"), | |
861 | error); | |
862 | } | |
31845e4c | 863 | libxfs_irele(ip); |
2bd0ea18 NS |
864 | } |
865 | ||
866 | /* | |
867 | * makes a new root directory. | |
868 | */ | |
8b8a6b02 | 869 | static void |
2bd0ea18 NS |
870 | mk_root_dir(xfs_mount_t *mp) |
871 | { | |
872 | xfs_trans_t *tp; | |
873 | xfs_inode_t *ip; | |
874 | int i; | |
875 | int error; | |
876 | const mode_t mode = 0755; | |
69ec88b5 | 877 | ino_tree_node_t *irec; |
41ce5f36 DC |
878 | int vers; |
879 | int times; | |
2bd0ea18 | 880 | |
2bd0ea18 | 881 | ip = NULL; |
9074815c | 882 | i = -libxfs_trans_alloc(mp, &M_RES(mp)->tr_ichange, 10, 0, 0, &tp); |
48ea6cb9 | 883 | if (i) |
2bd0ea18 NS |
884 | res_failed(i); |
885 | ||
e2dd0e1c DW |
886 | error = -libxfs_iget(mp, tp, mp->m_sb.sb_rootino, 0, &ip, |
887 | &xfs_default_ifork_ops); | |
2bd0ea18 | 888 | if (error) { |
507f4e33 | 889 | do_error(_("could not iget root inode -- error - %d\n"), error); |
2bd0ea18 NS |
890 | } |
891 | ||
892 | /* | |
893 | * take care of the core -- initialization from xfs_ialloc() | |
894 | */ | |
5f6f3660 | 895 | vers = xfs_sb_version_hascrc(&mp->m_sb) ? 3 : 2; |
138659f1 | 896 | memset(&ip->i_d, 0, sizeof(ip->i_d)); |
2bd0ea18 | 897 | |
e37bf53c | 898 | VFS_I(ip)->i_mode = mode|S_IFDIR; |
41ce5f36 | 899 | ip->i_d.di_version = vers; |
2bd0ea18 NS |
900 | ip->i_d.di_format = XFS_DINODE_FMT_EXTENTS; |
901 | ip->i_d.di_aformat = XFS_DINODE_FMT_EXTENTS; | |
902 | ||
1da4e1f0 | 903 | set_nlink(VFS_I(ip), 2); /* account for . and .. */ |
2bd0ea18 | 904 | |
41ce5f36 DC |
905 | times = XFS_ICHGTIME_CHG | XFS_ICHGTIME_MOD; |
906 | if (ip->i_d.di_version == 3) { | |
9abcc5cd | 907 | VFS_I(ip)->i_version = 1; |
41ce5f36 | 908 | ip->i_d.di_flags2 = 0; |
41ce5f36 DC |
909 | times |= XFS_ICHGTIME_CREATE; |
910 | } | |
911 | libxfs_trans_ichgtime(tp, ip, times); | |
e2dd0e1c | 912 | libxfs_trans_ijoin(tp, ip, 0); |
2bd0ea18 NS |
913 | libxfs_trans_log_inode(tp, ip, XFS_ILOG_CORE); |
914 | ||
915 | /* | |
916 | * now the ifork | |
917 | */ | |
918 | ip->i_df.if_flags = XFS_IFEXTENTS; | |
9685aa3e | 919 | ip->i_df.if_bytes = 0; |
b37d753d | 920 | ip->i_df.if_u1.if_root = NULL; |
2bd0ea18 | 921 | |
2bd0ea18 NS |
922 | /* |
923 | * initialize the directory | |
924 | */ | |
ff105f75 | 925 | ip->d_ops = mp->m_dir_inode_ops; |
5e656dbb | 926 | libxfs_dir_init(tp, ip, ip); |
2bd0ea18 | 927 | |
f2279d8d DW |
928 | error = -libxfs_trans_commit(tp); |
929 | if (error) | |
930 | do_error(_("%s: commit failed, error %d\n"), __func__, error); | |
931 | ||
31845e4c | 932 | libxfs_irele(ip); |
69ec88b5 | 933 | |
1ae311d5 | 934 | irec = find_inode_rec(mp, XFS_INO_TO_AGNO(mp, mp->m_sb.sb_rootino), |
69ec88b5 BN |
935 | XFS_INO_TO_AGINO(mp, mp->m_sb.sb_rootino)); |
936 | set_inode_isadir(irec, XFS_INO_TO_AGINO(mp, mp->m_sb.sb_rootino) - | |
937 | irec->ino_startnum); | |
2bd0ea18 NS |
938 | } |
939 | ||
940 | /* | |
941 | * orphanage name == lost+found | |
942 | */ | |
8b8a6b02 | 943 | static xfs_ino_t |
2bd0ea18 NS |
944 | mk_orphanage(xfs_mount_t *mp) |
945 | { | |
946 | xfs_ino_t ino; | |
947 | xfs_trans_t *tp; | |
948 | xfs_inode_t *ip; | |
949 | xfs_inode_t *pip; | |
198b747f CM |
950 | ino_tree_node_t *irec; |
951 | int ino_offset = 0; | |
2bd0ea18 | 952 | int i; |
2bd0ea18 | 953 | int error; |
2bd0ea18 | 954 | const int mode = 0755; |
2bd0ea18 | 955 | int nres; |
5e656dbb BN |
956 | struct xfs_name xname; |
957 | ||
6c39a3cb BN |
958 | /* |
959 | * check for an existing lost+found first, if it exists, return | |
ff1f79a7 | 960 | * its inode. Otherwise, we can create it. Bad lost+found inodes |
6c39a3cb BN |
961 | * would have been cleared in phase3 and phase4. |
962 | */ | |
963 | ||
12ac6e04 DW |
964 | i = -libxfs_iget(mp, NULL, mp->m_sb.sb_rootino, 0, &pip, |
965 | &xfs_default_ifork_ops); | |
966 | if (i) | |
6c39a3cb BN |
967 | do_error(_("%d - couldn't iget root inode to obtain %s\n"), |
968 | i, ORPHANAGE); | |
969 | ||
56b2de80 | 970 | xname.name = (unsigned char *)ORPHANAGE; |
5e656dbb | 971 | xname.len = strlen(ORPHANAGE); |
68774b90 ES |
972 | xname.type = XFS_DIR3_FT_DIR; |
973 | ||
5e656dbb | 974 | if (libxfs_dir_lookup(NULL, pip, &xname, &ino, NULL) == 0) |
6c39a3cb BN |
975 | return ino; |
976 | ||
977 | /* | |
978 | * could not be found, create it | |
979 | */ | |
5e656dbb | 980 | nres = XFS_MKDIR_SPACE_RES(mp, xname.len); |
9074815c | 981 | i = -libxfs_trans_alloc(mp, &M_RES(mp)->tr_mkdir, nres, 0, 0, &tp); |
48ea6cb9 | 982 | if (i) |
2bd0ea18 NS |
983 | res_failed(i); |
984 | ||
985 | /* | |
986 | * use iget/ijoin instead of trans_iget because the ialloc | |
987 | * wrapper can commit the transaction and start a new one | |
988 | */ | |
12ac6e04 DW |
989 | /* i = -libxfs_iget(mp, NULL, mp->m_sb.sb_rootino, 0, &pip, |
990 | &xfs_default_ifork_ops); | |
991 | if (i) | |
507f4e33 | 992 | do_error(_("%d - couldn't iget root inode to make %s\n"), |
6c39a3cb | 993 | i, ORPHANAGE);*/ |
2bd0ea18 | 994 | |
12b53197 | 995 | error = -libxfs_inode_alloc(&tp, pip, mode|S_IFDIR, |
9f064b7e | 996 | 1, 0, &zerocr, &zerofsx, &ip); |
2bd0ea18 | 997 | if (error) { |
507f4e33 | 998 | do_error(_("%s inode allocation failed %d\n"), |
2bd0ea18 NS |
999 | ORPHANAGE, error); |
1000 | } | |
bcbe04c1 | 1001 | inc_nlink(VFS_I(ip)); /* account for . */ |
198b747f CM |
1002 | ino = ip->i_ino; |
1003 | ||
1004 | irec = find_inode_rec(mp, | |
1005 | XFS_INO_TO_AGNO(mp, ino), | |
1006 | XFS_INO_TO_AGINO(mp, ino)); | |
3ac87fbf MT |
1007 | |
1008 | if (irec == NULL) { | |
1009 | /* | |
1010 | * This inode is allocated from a newly created inode | |
1011 | * chunk and therefore did not exist when inode chunks | |
1012 | * were processed in phase3. Add this group of inodes to | |
1013 | * the entry avl tree as if they were discovered in phase3. | |
1014 | */ | |
1015 | irec = set_inode_free_alloc(mp, XFS_INO_TO_AGNO(mp, ino), | |
1016 | XFS_INO_TO_AGINO(mp, ino)); | |
1017 | alloc_ex_data(irec); | |
1018 | ||
1019 | for (i = 0; i < XFS_INODES_PER_CHUNK; i++) | |
1020 | set_inode_free(irec, i); | |
1021 | } | |
1022 | ||
198b747f CM |
1023 | ino_offset = get_inode_offset(mp, ino, irec); |
1024 | ||
1025 | /* | |
1026 | * Mark the inode allocated to lost+found as used in the AVL tree | |
1027 | * so it is not skipped in phase 7 | |
1028 | */ | |
1029 | set_inode_used(irec, ino_offset); | |
1030 | add_inode_ref(irec, ino_offset); | |
fe4bd71b | 1031 | add_inode_reached(irec, ino_offset); |
2bd0ea18 NS |
1032 | |
1033 | /* | |
1034 | * now that we know the transaction will stay around, | |
1035 | * add the root inode to it | |
1036 | */ | |
1037 | libxfs_trans_ijoin(tp, pip, 0); | |
1038 | ||
1039 | /* | |
1040 | * create the actual entry | |
1041 | */ | |
015bc82e | 1042 | error = -libxfs_dir_createname(tp, pip, &xname, ip->i_ino, nres); |
f8149110 | 1043 | if (error) |
6c39a3cb BN |
1044 | do_error( |
1045 | _("can't make %s, createname error %d\n"), | |
2bd0ea18 | 1046 | ORPHANAGE, error); |
2bd0ea18 | 1047 | |
dfc130f3 | 1048 | /* |
2bd0ea18 | 1049 | * bump up the link count in the root directory to account |
fe4bd71b DW |
1050 | * for .. in the new directory, and update the irec copy of the |
1051 | * on-disk nlink so we don't fail the link count check later. | |
2bd0ea18 | 1052 | */ |
bcbe04c1 | 1053 | inc_nlink(VFS_I(pip)); |
fe4bd71b DW |
1054 | irec = find_inode_rec(mp, XFS_INO_TO_AGNO(mp, mp->m_sb.sb_rootino), |
1055 | XFS_INO_TO_AGINO(mp, mp->m_sb.sb_rootino)); | |
1056 | add_inode_ref(irec, 0); | |
1057 | set_inode_disk_nlinks(irec, 0, get_inode_disk_nlinks(irec, 0) + 1); | |
198b747f | 1058 | |
2bd0ea18 | 1059 | libxfs_trans_log_inode(tp, pip, XFS_ILOG_CORE); |
5e656dbb | 1060 | libxfs_dir_init(tp, ip, pip); |
2bd0ea18 | 1061 | libxfs_trans_log_inode(tp, ip, XFS_ILOG_CORE); |
f2279d8d DW |
1062 | error = -libxfs_trans_commit(tp); |
1063 | if (error) { | |
1064 | do_error(_("%s directory creation failed -- bmapf error %d\n"), | |
1065 | ORPHANAGE, error); | |
1066 | } | |
31845e4c DW |
1067 | libxfs_irele(ip); |
1068 | libxfs_irele(pip); | |
2bd0ea18 | 1069 | |
2bd0ea18 NS |
1070 | return(ino); |
1071 | } | |
1072 | ||
1073 | /* | |
6c39a3cb | 1074 | * move a file to the orphange. |
2bd0ea18 | 1075 | */ |
6c39a3cb BN |
1076 | static void |
1077 | mv_orphanage( | |
1078 | xfs_mount_t *mp, | |
1079 | xfs_ino_t ino, /* inode # to be moved */ | |
1080 | int isa_dir) /* 1 if inode is a directory */ | |
2bd0ea18 | 1081 | { |
2556c98b | 1082 | xfs_inode_t *orphanage_ip; |
6c39a3cb BN |
1083 | xfs_ino_t entry_ino_num; |
1084 | xfs_inode_t *ino_p; | |
1085 | xfs_trans_t *tp; | |
6c39a3cb | 1086 | int err; |
56b2de80 | 1087 | unsigned char fname[MAXPATHLEN + 1]; |
6c39a3cb BN |
1088 | int nres; |
1089 | int incr; | |
1090 | ino_tree_node_t *irec; | |
1091 | int ino_offset = 0; | |
5e656dbb BN |
1092 | struct xfs_name xname; |
1093 | ||
5e656dbb | 1094 | xname.name = fname; |
56b2de80 | 1095 | xname.len = snprintf((char *)fname, sizeof(fname), "%llu", |
5e656dbb | 1096 | (unsigned long long)ino); |
2bd0ea18 | 1097 | |
12ac6e04 DW |
1098 | err = -libxfs_iget(mp, NULL, orphanage_ino, 0, &orphanage_ip, |
1099 | &xfs_default_ifork_ops); | |
2556c98b BN |
1100 | if (err) |
1101 | do_error(_("%d - couldn't iget orphanage inode\n"), err); | |
6c39a3cb BN |
1102 | /* |
1103 | * Make sure the filename is unique in the lost+found | |
1104 | */ | |
1105 | incr = 0; | |
5e656dbb BN |
1106 | while (libxfs_dir_lookup(NULL, orphanage_ip, &xname, &entry_ino_num, |
1107 | NULL) == 0) | |
56b2de80 | 1108 | xname.len = snprintf((char *)fname, sizeof(fname), "%llu.%d", |
5e656dbb | 1109 | (unsigned long long)ino, ++incr); |
2bd0ea18 | 1110 | |
f8cd7da8 ES |
1111 | /* Orphans may not have a proper parent, so use custom ops here */ |
1112 | err = -libxfs_iget(mp, NULL, ino, 0, &ino_p, &phase6_ifork_ops); | |
12ac6e04 | 1113 | if (err) |
507f4e33 | 1114 | do_error(_("%d - couldn't iget disconnected inode\n"), err); |
2bd0ea18 | 1115 | |
532d03d5 | 1116 | xname.type = libxfs_mode_to_ftype(VFS_I(ino_p)->i_mode); |
937ef315 | 1117 | |
2bd0ea18 | 1118 | if (isa_dir) { |
1ae311d5 | 1119 | irec = find_inode_rec(mp, XFS_INO_TO_AGNO(mp, orphanage_ino), |
6c39a3cb BN |
1120 | XFS_INO_TO_AGINO(mp, orphanage_ino)); |
1121 | if (irec) | |
1122 | ino_offset = XFS_INO_TO_AGINO(mp, orphanage_ino) - | |
1123 | irec->ino_startnum; | |
1124 | nres = XFS_DIRENTER_SPACE_RES(mp, fnamelen) + | |
2bd0ea18 | 1125 | XFS_DIRENTER_SPACE_RES(mp, 2); |
e5c4ab5e | 1126 | err = -libxfs_dir_lookup(NULL, ino_p, &xfs_name_dotdot, |
5e656dbb | 1127 | &entry_ino_num, NULL); |
6c39a3cb | 1128 | if (err) { |
2bd0ea18 NS |
1129 | ASSERT(err == ENOENT); |
1130 | ||
9074815c CH |
1131 | err = -libxfs_trans_alloc(mp, &M_RES(mp)->tr_rename, |
1132 | nres, 0, 0, &tp); | |
48ea6cb9 | 1133 | if (err) |
2bd0ea18 | 1134 | do_error( |
507f4e33 | 1135 | _("space reservation failed (%d), filesystem may be out of space\n"), |
2bd0ea18 NS |
1136 | err); |
1137 | ||
6c39a3cb | 1138 | libxfs_trans_ijoin(tp, orphanage_ip, 0); |
2bd0ea18 NS |
1139 | libxfs_trans_ijoin(tp, ino_p, 0); |
1140 | ||
12b53197 | 1141 | err = -libxfs_dir_createname(tp, orphanage_ip, &xname, |
015bc82e | 1142 | ino, nres); |
5e656dbb | 1143 | if (err) |
2bd0ea18 | 1144 | do_error( |
507f4e33 | 1145 | _("name create failed in %s (%d), filesystem may be out of space\n"), |
2bd0ea18 NS |
1146 | ORPHANAGE, err); |
1147 | ||
6c39a3cb BN |
1148 | if (irec) |
1149 | add_inode_ref(irec, ino_offset); | |
1150 | else | |
bcbe04c1 | 1151 | inc_nlink(VFS_I(orphanage_ip)); |
6c39a3cb | 1152 | libxfs_trans_log_inode(tp, orphanage_ip, XFS_ILOG_CORE); |
2bd0ea18 | 1153 | |
12b53197 | 1154 | err = -libxfs_dir_createname(tp, ino_p, &xfs_name_dotdot, |
015bc82e | 1155 | orphanage_ino, nres); |
5e656dbb | 1156 | if (err) |
2bd0ea18 | 1157 | do_error( |
507f4e33 | 1158 | _("creation of .. entry failed (%d), filesystem may be out of space\n"), |
2bd0ea18 NS |
1159 | err); |
1160 | ||
bcbe04c1 | 1161 | inc_nlink(VFS_I(ino_p)); |
2bd0ea18 | 1162 | libxfs_trans_log_inode(tp, ino_p, XFS_ILOG_CORE); |
f2279d8d DW |
1163 | err = -libxfs_trans_commit(tp); |
1164 | if (err) | |
1165 | do_error( | |
1166 | _("creation of .. entry failed (%d)\n"), err); | |
2bd0ea18 | 1167 | } else { |
9074815c CH |
1168 | err = -libxfs_trans_alloc(mp, &M_RES(mp)->tr_rename, |
1169 | nres, 0, 0, &tp); | |
48ea6cb9 | 1170 | if (err) |
2bd0ea18 | 1171 | do_error( |
507f4e33 | 1172 | _("space reservation failed (%d), filesystem may be out of space\n"), |
2bd0ea18 NS |
1173 | err); |
1174 | ||
6c39a3cb | 1175 | libxfs_trans_ijoin(tp, orphanage_ip, 0); |
2bd0ea18 NS |
1176 | libxfs_trans_ijoin(tp, ino_p, 0); |
1177 | ||
2bd0ea18 | 1178 | |
12b53197 | 1179 | err = -libxfs_dir_createname(tp, orphanage_ip, &xname, |
015bc82e | 1180 | ino, nres); |
5e656dbb | 1181 | if (err) |
2bd0ea18 | 1182 | do_error( |
507f4e33 | 1183 | _("name create failed in %s (%d), filesystem may be out of space\n"), |
2bd0ea18 NS |
1184 | ORPHANAGE, err); |
1185 | ||
6c39a3cb BN |
1186 | if (irec) |
1187 | add_inode_ref(irec, ino_offset); | |
1188 | else | |
bcbe04c1 | 1189 | inc_nlink(VFS_I(orphanage_ip)); |
6c39a3cb | 1190 | libxfs_trans_log_inode(tp, orphanage_ip, XFS_ILOG_CORE); |
2bd0ea18 NS |
1191 | |
1192 | /* | |
1193 | * don't replace .. value if it already points | |
1194 | * to us. that'll pop a libxfs/kernel ASSERT. | |
1195 | */ | |
6c39a3cb | 1196 | if (entry_ino_num != orphanage_ino) { |
12b53197 | 1197 | err = -libxfs_dir_replace(tp, ino_p, |
5e656dbb | 1198 | &xfs_name_dotdot, orphanage_ino, |
015bc82e | 1199 | nres); |
5e656dbb | 1200 | if (err) |
2bd0ea18 | 1201 | do_error( |
507f4e33 | 1202 | _("name replace op failed (%d), filesystem may be out of space\n"), |
2bd0ea18 NS |
1203 | err); |
1204 | } | |
1205 | ||
f2279d8d DW |
1206 | err = -libxfs_trans_commit(tp); |
1207 | if (err) | |
1208 | do_error( | |
1209 | _("orphanage name replace op failed (%d)\n"), err); | |
2bd0ea18 | 1210 | } |
6c39a3cb | 1211 | |
2bd0ea18 NS |
1212 | } else { |
1213 | /* | |
1214 | * use the remove log reservation as that's | |
1215 | * more accurate. we're only creating the | |
1216 | * links, we're not doing the inode allocation | |
1217 | * also accounted for in the create | |
1218 | */ | |
5e656dbb | 1219 | nres = XFS_DIRENTER_SPACE_RES(mp, xname.len); |
9074815c CH |
1220 | err = -libxfs_trans_alloc(mp, &M_RES(mp)->tr_remove, |
1221 | nres, 0, 0, &tp); | |
5e656dbb | 1222 | if (err) |
2bd0ea18 | 1223 | do_error( |
507f4e33 | 1224 | _("space reservation failed (%d), filesystem may be out of space\n"), |
2bd0ea18 NS |
1225 | err); |
1226 | ||
6c39a3cb | 1227 | libxfs_trans_ijoin(tp, orphanage_ip, 0); |
2bd0ea18 NS |
1228 | libxfs_trans_ijoin(tp, ino_p, 0); |
1229 | ||
12b53197 | 1230 | err = -libxfs_dir_createname(tp, orphanage_ip, &xname, ino, |
015bc82e | 1231 | nres); |
5e656dbb | 1232 | if (err) |
2bd0ea18 | 1233 | do_error( |
507f4e33 | 1234 | _("name create failed in %s (%d), filesystem may be out of space\n"), |
2bd0ea18 NS |
1235 | ORPHANAGE, err); |
1236 | ASSERT(err == 0); | |
1237 | ||
bcbe04c1 | 1238 | set_nlink(VFS_I(ino_p), 1); |
2bd0ea18 | 1239 | libxfs_trans_log_inode(tp, ino_p, XFS_ILOG_CORE); |
f2279d8d DW |
1240 | err = -libxfs_trans_commit(tp); |
1241 | if (err) | |
1242 | do_error( | |
1243 | _("orphanage name create failed (%d)\n"), err); | |
2bd0ea18 | 1244 | } |
31845e4c DW |
1245 | libxfs_irele(ino_p); |
1246 | libxfs_irele(orphanage_ip); | |
2bd0ea18 NS |
1247 | } |
1248 | ||
6c39a3cb BN |
1249 | static int |
1250 | entry_junked( | |
1251 | const char *msg, | |
1252 | const char *iname, | |
1253 | xfs_ino_t ino1, | |
1254 | xfs_ino_t ino2) | |
1255 | { | |
1256 | do_warn(msg, iname, ino1, ino2); | |
1257 | if (!no_modify) { | |
1258 | if (verbose) | |
1259 | do_warn(_(", marking entry to be junked\n")); | |
9a048535 DC |
1260 | else |
1261 | do_warn("\n"); | |
1262 | } else | |
1263 | do_warn(_(", would junk entry\n")); | |
1264 | return !no_modify; | |
2bd0ea18 NS |
1265 | } |
1266 | ||
f9c559f4 DW |
1267 | /* Find and invalidate all the directory's buffers. */ |
1268 | static int | |
1269 | dir_binval( | |
1270 | struct xfs_trans *tp, | |
1271 | struct xfs_inode *ip, | |
1272 | int whichfork) | |
1273 | { | |
1274 | struct xfs_iext_cursor icur; | |
1275 | struct xfs_bmbt_irec rec; | |
1276 | struct xfs_ifork *ifp; | |
1277 | struct xfs_da_geometry *geo; | |
1278 | struct xfs_buf *bp; | |
1279 | xfs_dablk_t dabno, end_dabno; | |
1280 | int error = 0; | |
1281 | ||
1282 | if (ip->i_d.di_format != XFS_DINODE_FMT_EXTENTS && | |
1283 | ip->i_d.di_format != XFS_DINODE_FMT_BTREE) | |
1284 | return 0; | |
1285 | ||
1286 | geo = tp->t_mountp->m_dir_geo; | |
1287 | ifp = XFS_IFORK_PTR(ip, XFS_DATA_FORK); | |
1288 | for_each_xfs_iext(ifp, &icur, &rec) { | |
1289 | dabno = xfs_dir2_db_to_da(geo, rec.br_startoff + | |
1290 | geo->fsbcount - 1); | |
1291 | end_dabno = xfs_dir2_db_to_da(geo, rec.br_startoff + | |
1292 | rec.br_blockcount); | |
1293 | for (; dabno <= end_dabno; dabno += geo->fsbcount) { | |
1294 | bp = NULL; | |
1295 | error = -libxfs_da_get_buf(tp, ip, dabno, -2, &bp, | |
1296 | whichfork); | |
1297 | if (error) | |
1298 | return error; | |
1299 | if (!bp) | |
1300 | continue; | |
1301 | libxfs_trans_binval(tp, bp); | |
1302 | libxfs_trans_brelse(tp, bp); | |
1303 | } | |
1304 | } | |
1305 | ||
1306 | return error; | |
1307 | } | |
1308 | ||
33165ec3 BN |
1309 | /* |
1310 | * Unexpected failure during the rebuild will leave the entries in | |
1311 | * lost+found on the next run | |
1312 | */ | |
1313 | ||
0f012a4c | 1314 | static void |
33165ec3 | 1315 | longform_dir2_rebuild( |
6fa00c33 BN |
1316 | xfs_mount_t *mp, |
1317 | xfs_ino_t ino, | |
1318 | xfs_inode_t *ip, | |
1319 | ino_tree_node_t *irec, | |
1320 | int ino_offset, | |
1321 | dir_hash_tab_t *hashtab) | |
33165ec3 BN |
1322 | { |
1323 | int error; | |
1324 | int nres; | |
1325 | xfs_trans_t *tp; | |
1326 | xfs_fileoff_t lastblock; | |
2556c98b | 1327 | xfs_inode_t pip; |
33165ec3 | 1328 | dir_hash_ent_t *p; |
ea7be342 | 1329 | int done = 0; |
0f012a4c BN |
1330 | |
1331 | /* | |
33165ec3 BN |
1332 | * trash directory completely and rebuild from scratch using the |
1333 | * name/inode pairs in the hash table | |
1334 | */ | |
0f012a4c | 1335 | |
5d1b7f0f | 1336 | do_warn(_("rebuilding directory inode %" PRIu64 "\n"), ino); |
0f012a4c BN |
1337 | |
1338 | /* | |
6fa00c33 BN |
1339 | * first attempt to locate the parent inode, if it can't be |
1340 | * found, set it to the root inode and it'll be moved to the | |
1341 | * orphanage later (the inode number here needs to be valid | |
5e656dbb | 1342 | * for the libxfs_dir_init() call). |
33165ec3 | 1343 | */ |
6fa00c33 | 1344 | pip.i_ino = get_inode_parent(irec, ino_offset); |
01914f06 | 1345 | if (pip.i_ino == NULLFSINO || |
e2f60652 | 1346 | libxfs_dir_ino_validate(mp, pip.i_ino)) |
6fa00c33 | 1347 | pip.i_ino = mp->m_sb.sb_rootino; |
33165ec3 | 1348 | |
33165ec3 | 1349 | nres = XFS_REMOVE_SPACE_RES(mp); |
9074815c | 1350 | error = -libxfs_trans_alloc(mp, &M_RES(mp)->tr_remove, nres, 0, 0, &tp); |
33165ec3 BN |
1351 | if (error) |
1352 | res_failed(error); | |
1353 | libxfs_trans_ijoin(tp, ip, 0); | |
0f012a4c | 1354 | |
f9c559f4 DW |
1355 | error = dir_binval(tp, ip, XFS_DATA_FORK); |
1356 | if (error) | |
af06261f DW |
1357 | do_error(_("error %d invalidating directory %llu blocks\n"), |
1358 | error, (unsigned long long)ip->i_ino); | |
f9c559f4 | 1359 | |
12b53197 | 1360 | if ((error = -libxfs_bmap_last_offset(ip, &lastblock, XFS_DATA_FORK))) |
0f012a4c | 1361 | do_error(_("xfs_bmap_last_offset failed -- error - %d\n"), |
33165ec3 | 1362 | error); |
0f012a4c | 1363 | |
33165ec3 | 1364 | /* free all data, leaf, node and freespace blocks */ |
ea7be342 ES |
1365 | while (!done) { |
1366 | error = -libxfs_bunmapi(tp, ip, 0, lastblock, XFS_BMAPI_METADATA, | |
1367 | 0, &done); | |
1368 | if (error) { | |
1369 | do_warn(_("xfs_bunmapi failed -- error - %d\n"), error); | |
1370 | goto out_bmap_cancel; | |
1371 | } | |
1372 | error = -libxfs_defer_finish(&tp); | |
1373 | if (error) { | |
1374 | do_warn(("defer_finish failed -- error - %d\n"), error); | |
1375 | goto out_bmap_cancel; | |
1376 | } | |
1377 | /* | |
1378 | * Close out trans and start the next one in the chain. | |
1379 | */ | |
1380 | error = -libxfs_trans_roll_inode(&tp, ip); | |
1381 | if (error) | |
1382 | goto out_bmap_cancel; | |
1383 | } | |
33165ec3 | 1384 | |
e2f60652 | 1385 | error = -libxfs_dir_init(tp, ip, &pip); |
01914f06 DW |
1386 | if (error) { |
1387 | do_warn(_("xfs_dir_init failed -- error - %d\n"), error); | |
1388 | goto out_bmap_cancel; | |
1389 | } | |
0f012a4c | 1390 | |
f2279d8d DW |
1391 | error = -libxfs_trans_commit(tp); |
1392 | if (error) | |
1393 | do_error( | |
1394 | _("dir init failed (%d)\n"), error); | |
0f012a4c | 1395 | |
1f60de28 ES |
1396 | if (ino == mp->m_sb.sb_rootino) |
1397 | need_root_dotdot = 0; | |
1398 | ||
33165ec3 BN |
1399 | /* go through the hash list and re-add the inodes */ |
1400 | ||
1401 | for (p = hashtab->first; p; p = p->nextbyorder) { | |
0f012a4c | 1402 | |
5e656dbb BN |
1403 | if (p->name.name[0] == '/' || (p->name.name[0] == '.' && |
1404 | (p->name.len == 1 || (p->name.len == 2 && | |
1405 | p->name.name[1] == '.')))) | |
33165ec3 | 1406 | continue; |
0f012a4c | 1407 | |
5e656dbb | 1408 | nres = XFS_CREATE_SPACE_RES(mp, p->name.len); |
9074815c CH |
1409 | error = -libxfs_trans_alloc(mp, &M_RES(mp)->tr_create, |
1410 | nres, 0, 0, &tp); | |
14e36e34 LZ |
1411 | if (error) |
1412 | res_failed(error); | |
33165ec3 BN |
1413 | |
1414 | libxfs_trans_ijoin(tp, ip, 0); | |
33165ec3 | 1415 | |
12b53197 | 1416 | error = -libxfs_dir_createname(tp, ip, &p->name, p->inum, |
015bc82e | 1417 | nres); |
5e656dbb | 1418 | if (error) { |
33165ec3 | 1419 | do_warn( |
5d1b7f0f | 1420 | _("name create failed in ino %" PRIu64 " (%d), filesystem may be out of space\n"), |
33165ec3 | 1421 | ino, error); |
14e36e34 | 1422 | goto out_bmap_cancel; |
33165ec3 BN |
1423 | } |
1424 | ||
f2279d8d DW |
1425 | error = -libxfs_trans_commit(tp); |
1426 | if (error) | |
1427 | do_error( | |
1428 | _("name create failed (%d) during rebuild\n"), error); | |
33165ec3 | 1429 | } |
14e36e34 LZ |
1430 | |
1431 | return; | |
1432 | ||
1433 | out_bmap_cancel: | |
3d7434fe | 1434 | libxfs_trans_cancel(tp); |
14e36e34 | 1435 | return; |
33165ec3 BN |
1436 | } |
1437 | ||
1438 | ||
2bd0ea18 NS |
1439 | /* |
1440 | * Kill a block in a version 2 inode. | |
1441 | * Makes its own transaction. | |
1442 | */ | |
1443 | static void | |
1444 | dir2_kill_block( | |
1445 | xfs_mount_t *mp, | |
1446 | xfs_inode_t *ip, | |
1447 | xfs_dablk_t da_bno, | |
a2ceac1f | 1448 | struct xfs_buf *bp) |
2bd0ea18 NS |
1449 | { |
1450 | xfs_da_args_t args; | |
2bd0ea18 | 1451 | int error; |
2bd0ea18 NS |
1452 | int nres; |
1453 | xfs_trans_t *tp; | |
1454 | ||
2bd0ea18 | 1455 | nres = XFS_REMOVE_SPACE_RES(mp); |
9074815c | 1456 | error = -libxfs_trans_alloc(mp, &M_RES(mp)->tr_remove, nres, 0, 0, &tp); |
2bd0ea18 NS |
1457 | if (error) |
1458 | res_failed(error); | |
1459 | libxfs_trans_ijoin(tp, ip, 0); | |
a2ceac1f | 1460 | libxfs_trans_bjoin(tp, bp); |
dab9b8d6 | 1461 | memset(&args, 0, sizeof(args)); |
2bd0ea18 NS |
1462 | args.dp = ip; |
1463 | args.trans = tp; | |
2bd0ea18 | 1464 | args.whichfork = XFS_DATA_FORK; |
fe0591e7 | 1465 | args.geo = mp->m_dir_geo; |
ff105f75 | 1466 | if (da_bno >= mp->m_dir_geo->leafblk && da_bno < mp->m_dir_geo->freeblk) |
12b53197 | 1467 | error = -libxfs_da_shrink_inode(&args, da_bno, bp); |
2bd0ea18 | 1468 | else |
12b53197 | 1469 | error = -libxfs_dir2_shrink_inode(&args, |
ff105f75 | 1470 | xfs_dir2_da_to_db(mp->m_dir_geo, da_bno), bp); |
2bd0ea18 | 1471 | if (error) |
5d1b7f0f | 1472 | do_error(_("shrink_inode failed inode %" PRIu64 " block %u\n"), |
2bd0ea18 | 1473 | ip->i_ino, da_bno); |
f2279d8d DW |
1474 | error = -libxfs_trans_commit(tp); |
1475 | if (error) | |
1476 | do_error( | |
1477 | _("directory shrink failed (%d)\n"), error); | |
2bd0ea18 NS |
1478 | } |
1479 | ||
1480 | /* | |
1481 | * process a data block, also checks for .. entry | |
1482 | * and corrects it to match what we think .. should be | |
1483 | */ | |
1484 | static void | |
1485 | longform_dir2_entry_check_data( | |
1486 | xfs_mount_t *mp, | |
1487 | xfs_inode_t *ip, | |
1488 | int *num_illegal, | |
1489 | int *need_dot, | |
2bd0ea18 NS |
1490 | ino_tree_node_t *current_irec, |
1491 | int current_ino_offset, | |
a2ceac1f | 1492 | struct xfs_buf **bpp, |
2bd0ea18 NS |
1493 | dir_hash_tab_t *hashtab, |
1494 | freetab_t **freetabp, | |
1495 | xfs_dablk_t da_bno, | |
1496 | int isblock) | |
1497 | { | |
1498 | xfs_dir2_dataptr_t addr; | |
1499 | xfs_dir2_leaf_entry_t *blp; | |
a2ceac1f | 1500 | struct xfs_buf *bp; |
2bd0ea18 | 1501 | xfs_dir2_block_tail_t *btp; |
a354abc8 | 1502 | struct xfs_dir2_data_hdr *d; |
2bd0ea18 NS |
1503 | xfs_dir2_db_t db; |
1504 | xfs_dir2_data_entry_t *dep; | |
1505 | xfs_dir2_data_unused_t *dup; | |
d2006f04 | 1506 | struct xfs_dir2_data_free *bf; |
2bd0ea18 NS |
1507 | char *endptr; |
1508 | int error; | |
2bd0ea18 NS |
1509 | char fname[MAXNAMELEN + 1]; |
1510 | freetab_t *freetab; | |
1511 | int i; | |
1512 | int ino_offset; | |
33165ec3 | 1513 | xfs_ino_t inum; |
2bd0ea18 NS |
1514 | ino_tree_node_t *irec; |
1515 | int junkit; | |
1516 | int lastfree; | |
1517 | int len; | |
1518 | int nbad; | |
1519 | int needlog; | |
1520 | int needscan; | |
1521 | xfs_ino_t parent; | |
1522 | char *ptr; | |
1523 | xfs_trans_t *tp; | |
1524 | int wantmagic; | |
ff105f75 DC |
1525 | struct xfs_da_args da = { |
1526 | .dp = ip, | |
a5459506 | 1527 | .geo = mp->m_dir_geo, |
ff105f75 DC |
1528 | }; |
1529 | ||
2bd0ea18 NS |
1530 | |
1531 | bp = *bpp; | |
a2ceac1f | 1532 | d = bp->b_addr; |
ff105f75 | 1533 | ptr = (char *)M_DIROPS(mp)->data_entry_p(d); |
2bd0ea18 NS |
1534 | nbad = 0; |
1535 | needscan = needlog = 0; | |
9d7d6241 | 1536 | junkit = 0; |
2bd0ea18 NS |
1537 | freetab = *freetabp; |
1538 | if (isblock) { | |
ff105f75 | 1539 | btp = xfs_dir2_block_tail_p(mp->m_dir_geo, d); |
5e656dbb | 1540 | blp = xfs_dir2_block_leaf_p(btp); |
2bd0ea18 NS |
1541 | endptr = (char *)blp; |
1542 | if (endptr > (char *)btp) | |
1543 | endptr = (char *)btp; | |
658ac3e3 DC |
1544 | if (xfs_sb_version_hascrc(&mp->m_sb)) |
1545 | wantmagic = XFS_DIR3_BLOCK_MAGIC; | |
1546 | else | |
1547 | wantmagic = XFS_DIR2_BLOCK_MAGIC; | |
2bd0ea18 | 1548 | } else { |
ff105f75 | 1549 | endptr = (char *)d + mp->m_dir_geo->blksize; |
658ac3e3 DC |
1550 | if (xfs_sb_version_hascrc(&mp->m_sb)) |
1551 | wantmagic = XFS_DIR3_DATA_MAGIC; | |
1552 | else | |
1553 | wantmagic = XFS_DIR2_DATA_MAGIC; | |
2bd0ea18 | 1554 | } |
ff105f75 | 1555 | db = xfs_dir2_da_to_db(mp->m_dir_geo, da_bno); |
9d7d6241 NS |
1556 | |
1557 | /* check for data block beyond expected end */ | |
2bd0ea18 NS |
1558 | if (freetab->naents <= db) { |
1559 | struct freetab_ent e; | |
1560 | ||
1561 | *freetabp = freetab = realloc(freetab, FREETAB_SIZE(db + 1)); | |
1562 | if (!freetab) { | |
15e3986b DC |
1563 | do_error(_("realloc failed in %s (%zu bytes)\n"), |
1564 | __func__, FREETAB_SIZE(db + 1)); | |
2bd0ea18 NS |
1565 | } |
1566 | e.v = NULLDATAOFF; | |
1567 | e.s = 0; | |
1568 | for (i = freetab->naents; i < db; i++) | |
1569 | freetab->ents[i] = e; | |
1570 | freetab->naents = db + 1; | |
1571 | } | |
9d7d6241 NS |
1572 | |
1573 | /* check the data block */ | |
2bd0ea18 | 1574 | while (ptr < endptr) { |
9d7d6241 NS |
1575 | |
1576 | /* check for freespace */ | |
2bd0ea18 | 1577 | dup = (xfs_dir2_data_unused_t *)ptr; |
5e656dbb | 1578 | if (XFS_DIR2_DATA_FREE_TAG == be16_to_cpu(dup->freetag)) { |
9d7d6241 NS |
1579 | |
1580 | /* check for invalid freespace length */ | |
5e656dbb BN |
1581 | if (ptr + be16_to_cpu(dup->length) > endptr || |
1582 | be16_to_cpu(dup->length) == 0 || | |
1583 | (be16_to_cpu(dup->length) & | |
1584 | (XFS_DIR2_DATA_ALIGN - 1))) | |
2bd0ea18 | 1585 | break; |
9d7d6241 NS |
1586 | |
1587 | /* check for invalid tag */ | |
5e656dbb BN |
1588 | if (be16_to_cpu(*xfs_dir2_data_unused_tag_p(dup)) != |
1589 | (char *)dup - (char *)d) | |
2bd0ea18 | 1590 | break; |
9d7d6241 NS |
1591 | |
1592 | /* check for block with no data entries */ | |
ff105f75 | 1593 | if ((ptr == (char *)M_DIROPS(mp)->data_entry_p(d)) && |
658ac3e3 | 1594 | (ptr + be16_to_cpu(dup->length) >= endptr)) { |
9d7d6241 NS |
1595 | junkit = 1; |
1596 | *num_illegal += 1; | |
1597 | break; | |
1598 | } | |
1599 | ||
1600 | /* continue at the end of the freespace */ | |
5e656dbb | 1601 | ptr += be16_to_cpu(dup->length); |
2bd0ea18 NS |
1602 | if (ptr >= endptr) |
1603 | break; | |
1604 | } | |
9d7d6241 NS |
1605 | |
1606 | /* validate data entry size */ | |
2bd0ea18 | 1607 | dep = (xfs_dir2_data_entry_t *)ptr; |
ff105f75 | 1608 | if (ptr + M_DIROPS(mp)->data_entsize(dep->namelen) > endptr) |
2bd0ea18 | 1609 | break; |
ff105f75 | 1610 | if (be16_to_cpu(*M_DIROPS(mp)->data_entry_tag_p(dep)) != |
5e656dbb | 1611 | (char *)dep - (char *)d) |
2bd0ea18 | 1612 | break; |
ff105f75 | 1613 | ptr += M_DIROPS(mp)->data_entsize(dep->namelen); |
2bd0ea18 | 1614 | } |
9d7d6241 NS |
1615 | |
1616 | /* did we find an empty or corrupt block? */ | |
2bd0ea18 | 1617 | if (ptr != endptr) { |
9d7d6241 | 1618 | if (junkit) { |
507f4e33 | 1619 | do_warn( |
5d1b7f0f | 1620 | _("empty data block %u in directory inode %" PRIu64 ": "), |
9d7d6241 NS |
1621 | da_bno, ip->i_ino); |
1622 | } else { | |
5d1b7f0f CH |
1623 | do_warn(_ |
1624 | ("corrupt block %u in directory inode %" PRIu64 ": "), | |
9d7d6241 NS |
1625 | da_bno, ip->i_ino); |
1626 | } | |
2bd0ea18 | 1627 | if (!no_modify) { |
507f4e33 | 1628 | do_warn(_("junking block\n")); |
2bd0ea18 NS |
1629 | dir2_kill_block(mp, ip, da_bno, bp); |
1630 | } else { | |
507f4e33 | 1631 | do_warn(_("would junk block\n")); |
a2ceac1f | 1632 | libxfs_putbuf(bp); |
2bd0ea18 NS |
1633 | } |
1634 | freetab->ents[db].v = NULLDATAOFF; | |
1635 | *bpp = NULL; | |
1636 | return; | |
1637 | } | |
9d7d6241 NS |
1638 | |
1639 | /* update number of data blocks processed */ | |
1640 | if (freetab->nents < db + 1) | |
1641 | freetab->nents = db + 1; | |
1642 | ||
9074815c | 1643 | error = -libxfs_trans_alloc(mp, &M_RES(mp)->tr_remove, 0, 0, 0, &tp); |
2bd0ea18 NS |
1644 | if (error) |
1645 | res_failed(error); | |
ff105f75 | 1646 | da.trans = tp; |
2bd0ea18 | 1647 | libxfs_trans_ijoin(tp, ip, 0); |
a2ceac1f DC |
1648 | libxfs_trans_bjoin(tp, bp); |
1649 | libxfs_trans_bhold(tp, bp); | |
a354abc8 | 1650 | if (be32_to_cpu(d->magic) != wantmagic) { |
5d1b7f0f CH |
1651 | do_warn( |
1652 | _("bad directory block magic # %#x for directory inode %" PRIu64 " block %d: "), | |
a354abc8 | 1653 | be32_to_cpu(d->magic), ip->i_ino, da_bno); |
2bd0ea18 | 1654 | if (!no_modify) { |
507f4e33 | 1655 | do_warn(_("fixing magic # to %#x\n"), wantmagic); |
a354abc8 | 1656 | d->magic = cpu_to_be32(wantmagic); |
2bd0ea18 NS |
1657 | needlog = 1; |
1658 | } else | |
507f4e33 | 1659 | do_warn(_("would fix magic # to %#x\n"), wantmagic); |
2bd0ea18 NS |
1660 | } |
1661 | lastfree = 0; | |
ff105f75 | 1662 | ptr = (char *)M_DIROPS(mp)->data_entry_p(d); |
2bd0ea18 NS |
1663 | /* |
1664 | * look at each entry. reference inode pointed to by each | |
1665 | * entry in the incore inode tree. | |
1666 | * if not a directory, set reached flag, increment link count | |
1667 | * if a directory and reached, mark entry as to be deleted. | |
1668 | * if a directory, check to see if recorded parent | |
1669 | * matches current inode #, | |
1670 | * if so, then set reached flag, increment link count | |
1671 | * of current and child dir inodes, push the child | |
1672 | * directory inode onto the directory stack. | |
1673 | * if current inode != parent, then mark entry to be deleted. | |
1674 | */ | |
1675 | while (ptr < endptr) { | |
1676 | dup = (xfs_dir2_data_unused_t *)ptr; | |
5e656dbb | 1677 | if (be16_to_cpu(dup->freetag) == XFS_DIR2_DATA_FREE_TAG) { |
2bd0ea18 | 1678 | if (lastfree) { |
5d1b7f0f CH |
1679 | do_warn( |
1680 | _("directory inode %" PRIu64 " block %u has consecutive free entries: "), | |
2bd0ea18 NS |
1681 | ip->i_ino, da_bno); |
1682 | if (!no_modify) { | |
ff105f75 | 1683 | |
507f4e33 | 1684 | do_warn(_("joining together\n")); |
5e656dbb | 1685 | len = be16_to_cpu(dup->length); |
ff105f75 | 1686 | libxfs_dir2_data_use_free(&da, bp, dup, |
2bd0ea18 NS |
1687 | ptr - (char *)d, len, &needlog, |
1688 | &needscan); | |
ff105f75 | 1689 | libxfs_dir2_data_make_free(&da, bp, |
2bd0ea18 NS |
1690 | ptr - (char *)d, len, &needlog, |
1691 | &needscan); | |
1692 | } else | |
507f4e33 | 1693 | do_warn(_("would join together\n")); |
2bd0ea18 | 1694 | } |
5e656dbb | 1695 | ptr += be16_to_cpu(dup->length); |
2bd0ea18 NS |
1696 | lastfree = 1; |
1697 | continue; | |
1698 | } | |
ff105f75 DC |
1699 | addr = xfs_dir2_db_off_to_dataptr(mp->m_dir_geo, db, |
1700 | ptr - (char *)d); | |
2bd0ea18 | 1701 | dep = (xfs_dir2_data_entry_t *)ptr; |
ff105f75 | 1702 | ptr += M_DIROPS(mp)->data_entsize(dep->namelen); |
5e656dbb | 1703 | inum = be64_to_cpu(dep->inumber); |
2bd0ea18 | 1704 | lastfree = 0; |
2bd0ea18 NS |
1705 | /* |
1706 | * skip bogus entries (leading '/'). they'll be deleted | |
c7f277c9 NS |
1707 | * later. must still log it, else we leak references to |
1708 | * buffers. | |
2bd0ea18 NS |
1709 | */ |
1710 | if (dep->name[0] == '/') { | |
1711 | nbad++; | |
c7f277c9 | 1712 | if (!no_modify) |
ff105f75 | 1713 | libxfs_dir2_data_log_entry(&da, bp, dep); |
2bd0ea18 NS |
1714 | continue; |
1715 | } | |
2556c98b | 1716 | |
dab9b8d6 | 1717 | memmove(fname, dep->name, dep->namelen); |
2bd0ea18 | 1718 | fname[dep->namelen] = '\0'; |
33165ec3 | 1719 | ASSERT(inum != NULLFSINO); |
6c39a3cb | 1720 | |
1ae311d5 | 1721 | irec = find_inode_rec(mp, XFS_INO_TO_AGNO(mp, inum), |
6c39a3cb BN |
1722 | XFS_INO_TO_AGINO(mp, inum)); |
1723 | if (irec == NULL) { | |
1724 | nbad++; | |
5d1b7f0f CH |
1725 | if (entry_junked( |
1726 | _("entry \"%s\" in directory inode %" PRIu64 " points to non-existent inode %" PRIu64 ""), | |
6c39a3cb BN |
1727 | fname, ip->i_ino, inum)) { |
1728 | dep->name[0] = '/'; | |
ff105f75 | 1729 | libxfs_dir2_data_log_entry(&da, bp, dep); |
6c39a3cb BN |
1730 | } |
1731 | continue; | |
1732 | } | |
1733 | ino_offset = XFS_INO_TO_AGINO(mp, inum) - irec->ino_startnum; | |
1734 | ||
1735 | /* | |
1736 | * if it's a free inode, blow out the entry. | |
1737 | * by now, any inode that we think is free | |
1738 | * really is free. | |
1739 | */ | |
1740 | if (is_inode_free(irec, ino_offset)) { | |
1741 | nbad++; | |
5d1b7f0f | 1742 | if (entry_junked( |
b52923f3 | 1743 | _("entry \"%s\" in directory inode %" PRIu64 " points to free inode %" PRIu64), |
6c39a3cb BN |
1744 | fname, ip->i_ino, inum)) { |
1745 | dep->name[0] = '/'; | |
ff105f75 | 1746 | libxfs_dir2_data_log_entry(&da, bp, dep); |
6c39a3cb BN |
1747 | } |
1748 | continue; | |
1749 | } | |
1750 | ||
1751 | /* | |
1752 | * check if this inode is lost+found dir in the root | |
1753 | */ | |
1754 | if (inum == mp->m_sb.sb_rootino && strcmp(fname, ORPHANAGE) == 0) { | |
1755 | /* | |
1756 | * if it's not a directory, trash it | |
1757 | */ | |
1758 | if (!inode_isadir(irec, ino_offset)) { | |
1759 | nbad++; | |
5d1b7f0f CH |
1760 | if (entry_junked( |
1761 | _("%s (ino %" PRIu64 ") in root (%" PRIu64 ") is not a directory"), | |
6c39a3cb BN |
1762 | ORPHANAGE, inum, ip->i_ino)) { |
1763 | dep->name[0] = '/'; | |
ff105f75 | 1764 | libxfs_dir2_data_log_entry(&da, bp, dep); |
6c39a3cb BN |
1765 | } |
1766 | continue; | |
1767 | } | |
1768 | /* | |
1769 | * if this is a dup, it will be picked up below, | |
1770 | * otherwise, mark it as the orphanage for later. | |
1771 | */ | |
1772 | if (!orphanage_ino) | |
1773 | orphanage_ino = inum; | |
1774 | } | |
aaca101b | 1775 | |
6c39a3cb BN |
1776 | /* |
1777 | * check for duplicate names in directory. | |
1778 | */ | |
51ca7008 | 1779 | if (!dir_hash_add(mp, hashtab, addr, inum, dep->namelen, |
ff105f75 | 1780 | dep->name, M_DIROPS(mp)->data_get_ftype(dep))) { |
6c39a3cb | 1781 | nbad++; |
5d1b7f0f CH |
1782 | if (entry_junked( |
1783 | _("entry \"%s\" (ino %" PRIu64 ") in dir %" PRIu64 " is a duplicate name"), | |
6c39a3cb BN |
1784 | fname, inum, ip->i_ino)) { |
1785 | dep->name[0] = '/'; | |
ff105f75 | 1786 | libxfs_dir2_data_log_entry(&da, bp, dep); |
6c39a3cb BN |
1787 | } |
1788 | if (inum == orphanage_ino) | |
1789 | orphanage_ino = 0; | |
1790 | continue; | |
1791 | } | |
1792 | ||
575ca697 BN |
1793 | /* |
1794 | * if just scanning to rebuild a directory due to a ".." | |
1795 | * update, just continue | |
1796 | */ | |
1797 | if (dotdot_update) | |
1798 | continue; | |
1799 | ||
2bd0ea18 NS |
1800 | /* |
1801 | * skip the '..' entry since it's checked when the | |
1802 | * directory is reached by something else. if it never | |
1803 | * gets reached, it'll be moved to the orphanage and we'll | |
6fa00c33 BN |
1804 | * take care of it then. If it doesn't exist at all, the |
1805 | * directory needs to be rebuilt first before being added | |
1806 | * to the orphanage. | |
2bd0ea18 NS |
1807 | */ |
1808 | if (dep->namelen == 2 && dep->name[0] == '.' && | |
6fa00c33 BN |
1809 | dep->name[1] == '.') { |
1810 | if (da_bno != 0) { | |
1811 | /* ".." should be in the first block */ | |
1812 | nbad++; | |
5d1b7f0f CH |
1813 | if (entry_junked( |
1814 | _("entry \"%s\" (ino %" PRIu64 ") in dir %" PRIu64 " is not in the the first block"), fname, | |
6fa00c33 BN |
1815 | inum, ip->i_ino)) { |
1816 | dep->name[0] = '/'; | |
ff105f75 | 1817 | libxfs_dir2_data_log_entry(&da, bp, dep); |
6fa00c33 BN |
1818 | } |
1819 | } | |
2bd0ea18 | 1820 | continue; |
6fa00c33 | 1821 | } |
33165ec3 | 1822 | ASSERT(no_modify || !verify_inum(mp, inum)); |
2bd0ea18 NS |
1823 | /* |
1824 | * special case the . entry. we know there's only one | |
1825 | * '.' and only '.' points to itself because bogus entries | |
1826 | * got trashed in phase 3 if there were > 1. | |
1827 | * bump up link count for '.' but don't set reached | |
1828 | * until we're actually reached by another directory | |
1829 | * '..' is already accounted for or will be taken care | |
1830 | * of when directory is moved to orphanage. | |
1831 | */ | |
33165ec3 | 1832 | if (ip->i_ino == inum) { |
369c0b5f DW |
1833 | ASSERT(no_modify || |
1834 | (dep->name[0] == '.' && dep->namelen == 1)); | |
2bd0ea18 | 1835 | add_inode_ref(current_irec, current_ino_offset); |
658ac3e3 | 1836 | if (da_bno != 0 || |
ff105f75 | 1837 | dep != M_DIROPS(mp)->data_entry_p(d)) { |
6fa00c33 BN |
1838 | /* "." should be the first entry */ |
1839 | nbad++; | |
5d1b7f0f CH |
1840 | if (entry_junked( |
1841 | _("entry \"%s\" in dir %" PRIu64 " is not the first entry"), | |
6fa00c33 BN |
1842 | fname, inum, ip->i_ino)) { |
1843 | dep->name[0] = '/'; | |
ff105f75 | 1844 | libxfs_dir2_data_log_entry(&da, bp, dep); |
6fa00c33 BN |
1845 | } |
1846 | } | |
2bd0ea18 NS |
1847 | *need_dot = 0; |
1848 | continue; | |
1849 | } | |
2bd0ea18 NS |
1850 | /* |
1851 | * skip entries with bogus inumbers if we're in no modify mode | |
1852 | */ | |
33165ec3 | 1853 | if (no_modify && verify_inum(mp, inum)) |
2bd0ea18 | 1854 | continue; |
aaca101b DC |
1855 | |
1856 | /* validate ftype field if supported */ | |
1857 | if (xfs_sb_version_hasftype(&mp->m_sb)) { | |
14f8b681 DW |
1858 | uint8_t dir_ftype; |
1859 | uint8_t ino_ftype; | |
aaca101b | 1860 | |
ff105f75 | 1861 | dir_ftype = M_DIROPS(mp)->data_get_ftype(dep); |
aaca101b DC |
1862 | ino_ftype = get_inode_ftype(irec, ino_offset); |
1863 | ||
1864 | if (dir_ftype != ino_ftype) { | |
1865 | if (no_modify) { | |
1866 | do_warn( | |
1867 | _("would fix ftype mismatch (%d/%d) in directory/child inode %" PRIu64 "/%" PRIu64 "\n"), | |
1868 | dir_ftype, ino_ftype, | |
1869 | ip->i_ino, inum); | |
1870 | } else { | |
1871 | do_warn( | |
1872 | _("fixing ftype mismatch (%d/%d) in directory/child inode %" PRIu64 "/%" PRIu64 "\n"), | |
1873 | dir_ftype, ino_ftype, | |
1874 | ip->i_ino, inum); | |
ff105f75 | 1875 | M_DIROPS(mp)->data_put_ftype(dep, |
aaca101b | 1876 | ino_ftype); |
ff105f75 | 1877 | libxfs_dir2_data_log_entry(&da, bp, dep); |
aaca101b DC |
1878 | dir_hash_update_ftype(hashtab, addr, |
1879 | ino_ftype); | |
1880 | } | |
1881 | } | |
1882 | } | |
1883 | ||
2bd0ea18 NS |
1884 | /* |
1885 | * check easy case first, regular inode, just bump | |
1886 | * the link count and continue | |
1887 | */ | |
1888 | if (!inode_isadir(irec, ino_offset)) { | |
1889 | add_inode_reached(irec, ino_offset); | |
1890 | continue; | |
1891 | } | |
1892 | parent = get_inode_parent(irec, ino_offset); | |
1893 | ASSERT(parent != 0); | |
6c39a3cb | 1894 | junkit = 0; |
2bd0ea18 NS |
1895 | /* |
1896 | * bump up the link counts in parent and child | |
1897 | * directory but if the link doesn't agree with | |
1898 | * the .. in the child, blow out the entry. | |
1899 | * if the directory has already been reached, | |
1900 | * blow away the entry also. | |
1901 | */ | |
1902 | if (is_inode_reached(irec, ino_offset)) { | |
1903 | junkit = 1; | |
507f4e33 | 1904 | do_warn( |
5d1b7f0f | 1905 | _("entry \"%s\" in dir %" PRIu64" points to an already connected directory inode %" PRIu64 "\n"), |
33165ec3 | 1906 | fname, ip->i_ino, inum); |
2bd0ea18 NS |
1907 | } else if (parent == ip->i_ino) { |
1908 | add_inode_reached(irec, ino_offset); | |
1909 | add_inode_ref(current_irec, current_ino_offset); | |
6fa00c33 BN |
1910 | } else if (parent == NULLFSINO) { |
1911 | /* ".." was missing, but this entry refers to it, | |
1912 | so, set it as the parent and mark for rebuild */ | |
5d1b7f0f CH |
1913 | do_warn( |
1914 | _("entry \"%s\" in dir ino %" PRIu64 " doesn't have a .. entry, will set it in ino %" PRIu64 ".\n"), | |
6fa00c33 BN |
1915 | fname, ip->i_ino, inum); |
1916 | set_inode_parent(irec, ino_offset, ip->i_ino); | |
1917 | add_inode_reached(irec, ino_offset); | |
1918 | add_inode_ref(current_irec, current_ino_offset); | |
575ca697 BN |
1919 | add_dotdot_update(XFS_INO_TO_AGNO(mp, inum), irec, |
1920 | ino_offset); | |
2bd0ea18 NS |
1921 | } else { |
1922 | junkit = 1; | |
507f4e33 | 1923 | do_warn( |
5d1b7f0f | 1924 | _("entry \"%s\" in dir inode %" PRIu64 " inconsistent with .. value (%" PRIu64 ") in ino %" PRIu64 "\n"), |
33165ec3 | 1925 | fname, ip->i_ino, parent, inum); |
2bd0ea18 NS |
1926 | } |
1927 | if (junkit) { | |
6c39a3cb BN |
1928 | if (inum == orphanage_ino) |
1929 | orphanage_ino = 0; | |
2bd0ea18 NS |
1930 | nbad++; |
1931 | if (!no_modify) { | |
1932 | dep->name[0] = '/'; | |
ff105f75 | 1933 | libxfs_dir2_data_log_entry(&da, bp, dep); |
6c39a3cb | 1934 | if (verbose) |
507f4e33 NS |
1935 | do_warn( |
1936 | _("\twill clear entry \"%s\"\n"), | |
2bd0ea18 NS |
1937 | fname); |
1938 | } else { | |
507f4e33 NS |
1939 | do_warn(_("\twould clear entry \"%s\"\n"), |
1940 | fname); | |
2bd0ea18 NS |
1941 | } |
1942 | } | |
1943 | } | |
1944 | *num_illegal += nbad; | |
1945 | if (needscan) | |
7b111d36 DW |
1946 | libxfs_dir2_data_freescan_int(mp->m_dir_geo, M_DIROPS(mp), |
1947 | d, &i); | |
2bd0ea18 | 1948 | if (needlog) |
ff105f75 | 1949 | libxfs_dir2_data_log_header(&da, bp); |
f2279d8d DW |
1950 | error = -libxfs_trans_commit(tp); |
1951 | if (error) | |
1952 | do_error( | |
1953 | _("directory block fixing failed (%d)\n"), error); | |
d2006f04 DC |
1954 | |
1955 | /* record the largest free space in the freetab for later checking */ | |
ff105f75 | 1956 | bf = M_DIROPS(mp)->data_bestfree_p(d); |
d2006f04 | 1957 | freetab->ents[db].v = be16_to_cpu(bf[0].length); |
2bd0ea18 NS |
1958 | freetab->ents[db].s = 0; |
1959 | } | |
1960 | ||
0519f662 DW |
1961 | /* check v5 metadata */ |
1962 | static int | |
1963 | __check_dir3_header( | |
1964 | struct xfs_mount *mp, | |
1965 | struct xfs_buf *bp, | |
1966 | xfs_ino_t ino, | |
1967 | __be64 owner, | |
1968 | __be64 blkno, | |
1969 | uuid_t *uuid) | |
1970 | { | |
1971 | ||
1972 | /* verify owner */ | |
1973 | if (be64_to_cpu(owner) != ino) { | |
1974 | do_warn( | |
1975 | _("expected owner inode %" PRIu64 ", got %llu, directory block %" PRIu64 "\n"), | |
51073f86 | 1976 | ino, (unsigned long long)be64_to_cpu(owner), bp->b_bn); |
0519f662 DW |
1977 | return 1; |
1978 | } | |
1979 | /* verify block number */ | |
1980 | if (be64_to_cpu(blkno) != bp->b_bn) { | |
1981 | do_warn( | |
1982 | _("expected block %" PRIu64 ", got %llu, directory inode %" PRIu64 "\n"), | |
51073f86 | 1983 | bp->b_bn, (unsigned long long)be64_to_cpu(blkno), ino); |
0519f662 DW |
1984 | return 1; |
1985 | } | |
1986 | /* verify uuid */ | |
f31982ae | 1987 | if (platform_uuid_compare(uuid, &mp->m_sb.sb_meta_uuid) != 0) { |
0519f662 DW |
1988 | do_warn( |
1989 | _("wrong FS UUID, directory inode %" PRIu64 " block %" PRIu64 "\n"), | |
1990 | ino, bp->b_bn); | |
1991 | return 1; | |
1992 | } | |
1993 | ||
1994 | return 0; | |
1995 | } | |
1996 | ||
1997 | static int | |
1998 | check_da3_header( | |
1999 | struct xfs_mount *mp, | |
2000 | struct xfs_buf *bp, | |
2001 | xfs_ino_t ino) | |
2002 | { | |
2003 | struct xfs_da3_blkinfo *info = bp->b_addr; | |
2004 | ||
2005 | return __check_dir3_header(mp, bp, ino, info->owner, info->blkno, | |
2006 | &info->uuid); | |
2007 | } | |
2008 | ||
2009 | static int | |
2010 | check_dir3_header( | |
2011 | struct xfs_mount *mp, | |
2012 | struct xfs_buf *bp, | |
2013 | xfs_ino_t ino) | |
2014 | { | |
2015 | struct xfs_dir3_blk_hdr *info = bp->b_addr; | |
2016 | ||
2017 | return __check_dir3_header(mp, bp, ino, info->owner, info->blkno, | |
2018 | &info->uuid); | |
2019 | } | |
2020 | ||
2bd0ea18 NS |
2021 | /* |
2022 | * Check contents of leaf-form block. | |
2023 | */ | |
2556c98b | 2024 | static int |
2bd0ea18 NS |
2025 | longform_dir2_check_leaf( |
2026 | xfs_mount_t *mp, | |
2027 | xfs_inode_t *ip, | |
2028 | dir_hash_tab_t *hashtab, | |
2029 | freetab_t *freetab) | |
2030 | { | |
2031 | int badtail; | |
5e656dbb | 2032 | __be16 *bestsp; |
a2ceac1f | 2033 | struct xfs_buf *bp; |
2bd0ea18 NS |
2034 | xfs_dablk_t da_bno; |
2035 | int i; | |
2036 | xfs_dir2_leaf_t *leaf; | |
2037 | xfs_dir2_leaf_tail_t *ltp; | |
2038 | int seeval; | |
65b80c98 | 2039 | struct xfs_dir2_leaf_entry *ents; |
658ac3e3 | 2040 | struct xfs_dir3_icleaf_hdr leafhdr; |
8e7e14be DC |
2041 | int error; |
2042 | int fixit = 0; | |
2bd0ea18 | 2043 | |
ff105f75 | 2044 | da_bno = mp->m_dir_geo->leafblk; |
8e7e14be DC |
2045 | error = dir_read_buf(ip, da_bno, -1, &bp, &xfs_dir3_leaf1_buf_ops, |
2046 | &fixit); | |
ba1c6776 DW |
2047 | if (error == EFSBADCRC || error == EFSCORRUPTED || fixit) { |
2048 | do_warn( | |
2049 | _("leaf block %u for directory inode %" PRIu64 " bad CRC\n"), | |
2050 | da_bno, ip->i_ino); | |
2051 | return 1; | |
2052 | } else if (error) { | |
5d1b7f0f | 2053 | do_error( |
8e7e14be DC |
2054 | _("can't read block %u for directory inode %" PRIu64 ", error %d\n"), |
2055 | da_bno, ip->i_ino, error); | |
2bd0ea18 NS |
2056 | /* NOTREACHED */ |
2057 | } | |
8e7e14be | 2058 | |
a2ceac1f | 2059 | leaf = bp->b_addr; |
ff105f75 DC |
2060 | M_DIROPS(mp)->leaf_hdr_from_disk(&leafhdr, leaf); |
2061 | ents = M_DIROPS(mp)->leaf_ents_p(leaf); | |
2062 | ltp = xfs_dir2_leaf_tail_p(mp->m_dir_geo, leaf); | |
5e656dbb | 2063 | bestsp = xfs_dir2_leaf_bests_p(ltp); |
658ac3e3 DC |
2064 | if (!(leafhdr.magic == XFS_DIR2_LEAF1_MAGIC || |
2065 | leafhdr.magic == XFS_DIR3_LEAF1_MAGIC) || | |
2066 | leafhdr.forw || leafhdr.back || | |
5eb1ac90 | 2067 | leafhdr.count < leafhdr.stale || |
658ac3e3 | 2068 | leafhdr.count > |
ff105f75 | 2069 | M_DIROPS(mp)->leaf_max_ents(mp->m_dir_geo) || |
658ac3e3 | 2070 | (char *)&ents[leafhdr.count] > (char *)bestsp) { |
507f4e33 | 2071 | do_warn( |
5d1b7f0f | 2072 | _("leaf block %u for directory inode %" PRIu64 " bad header\n"), |
2bd0ea18 | 2073 | da_bno, ip->i_ino); |
a2ceac1f | 2074 | libxfs_putbuf(bp); |
2bd0ea18 NS |
2075 | return 1; |
2076 | } | |
0519f662 DW |
2077 | |
2078 | if (leafhdr.magic == XFS_DIR3_LEAF1_MAGIC) { | |
2079 | error = check_da3_header(mp, bp, ip->i_ino); | |
2080 | if (error) { | |
2081 | libxfs_putbuf(bp); | |
2082 | return error; | |
2083 | } | |
2084 | } | |
2085 | ||
658ac3e3 | 2086 | seeval = dir_hash_see_all(hashtab, ents, leafhdr.count, leafhdr.stale); |
2bd0ea18 | 2087 | if (dir_hash_check(hashtab, ip, seeval)) { |
a2ceac1f | 2088 | libxfs_putbuf(bp); |
2bd0ea18 NS |
2089 | return 1; |
2090 | } | |
5e656dbb BN |
2091 | badtail = freetab->nents != be32_to_cpu(ltp->bestcount); |
2092 | for (i = 0; !badtail && i < be32_to_cpu(ltp->bestcount); i++) { | |
2bd0ea18 | 2093 | freetab->ents[i].s = 1; |
5e656dbb | 2094 | badtail = freetab->ents[i].v != be16_to_cpu(bestsp[i]); |
2bd0ea18 NS |
2095 | } |
2096 | if (badtail) { | |
5d1b7f0f CH |
2097 | do_warn( |
2098 | _("leaf block %u for directory inode %" PRIu64 " bad tail\n"), | |
2bd0ea18 | 2099 | da_bno, ip->i_ino); |
a2ceac1f | 2100 | libxfs_putbuf(bp); |
2bd0ea18 NS |
2101 | return 1; |
2102 | } | |
a2ceac1f | 2103 | libxfs_putbuf(bp); |
8e7e14be | 2104 | return fixit; |
2bd0ea18 NS |
2105 | } |
2106 | ||
2107 | /* | |
2108 | * Check contents of the node blocks (leaves) | |
2109 | * Looks for matching hash values for the data entries. | |
2110 | */ | |
2556c98b | 2111 | static int |
2bd0ea18 NS |
2112 | longform_dir2_check_node( |
2113 | xfs_mount_t *mp, | |
2114 | xfs_inode_t *ip, | |
2115 | dir_hash_tab_t *hashtab, | |
2116 | freetab_t *freetab) | |
2117 | { | |
a2ceac1f | 2118 | struct xfs_buf *bp; |
2bd0ea18 NS |
2119 | xfs_dablk_t da_bno; |
2120 | xfs_dir2_db_t fdb; | |
2121 | xfs_dir2_free_t *free; | |
2122 | int i; | |
2123 | xfs_dir2_leaf_t *leaf; | |
2124 | xfs_fileoff_t next_da_bno; | |
2125 | int seeval = 0; | |
2126 | int used; | |
65b80c98 | 2127 | struct xfs_dir2_leaf_entry *ents; |
658ac3e3 DC |
2128 | struct xfs_dir3_icleaf_hdr leafhdr; |
2129 | struct xfs_dir3_icfree_hdr freehdr; | |
2130 | __be16 *bests; | |
8e7e14be DC |
2131 | int error; |
2132 | int fixit = 0; | |
0f012a4c | 2133 | |
ff105f75 DC |
2134 | for (da_bno = mp->m_dir_geo->leafblk, next_da_bno = 0; |
2135 | next_da_bno != NULLFILEOFF && da_bno < mp->m_dir_geo->freeblk; | |
5e656dbb | 2136 | da_bno = (xfs_dablk_t)next_da_bno) { |
ff105f75 | 2137 | next_da_bno = da_bno + mp->m_dir_geo->fsbcount - 1; |
5e656dbb | 2138 | if (bmap_next_offset(NULL, ip, &next_da_bno, XFS_DATA_FORK)) |
2bd0ea18 | 2139 | break; |
9b981421 DC |
2140 | |
2141 | /* | |
2142 | * we need to use the da3 node verifier here as it handles the | |
2143 | * fact that reading the leaf hash tree blocks can return either | |
2144 | * leaf or node blocks and calls the correct verifier. If we get | |
2145 | * a node block, then we'll skip it below based on a magic | |
2146 | * number check. | |
2147 | */ | |
8e7e14be DC |
2148 | error = dir_read_buf(ip, da_bno, -1, &bp, |
2149 | &xfs_da3_node_buf_ops, &fixit); | |
2150 | if (error) { | |
33165ec3 | 2151 | do_warn( |
8e7e14be DC |
2152 | _("can't read leaf block %u for directory inode %" PRIu64 ", error %d\n"), |
2153 | da_bno, ip->i_ino, error); | |
33165ec3 | 2154 | return 1; |
2bd0ea18 | 2155 | } |
a2ceac1f | 2156 | leaf = bp->b_addr; |
ff105f75 DC |
2157 | M_DIROPS(mp)->leaf_hdr_from_disk(&leafhdr, leaf); |
2158 | ents = M_DIROPS(mp)->leaf_ents_p(leaf); | |
658ac3e3 | 2159 | if (!(leafhdr.magic == XFS_DIR2_LEAFN_MAGIC || |
0519f662 DW |
2160 | leafhdr.magic == XFS_DIR3_LEAFN_MAGIC || |
2161 | leafhdr.magic == XFS_DA_NODE_MAGIC || | |
2162 | leafhdr.magic == XFS_DA3_NODE_MAGIC)) { | |
5d1b7f0f CH |
2163 | do_warn( |
2164 | _("unknown magic number %#x for block %u in directory inode %" PRIu64 "\n"), | |
658ac3e3 | 2165 | leafhdr.magic, da_bno, ip->i_ino); |
a2ceac1f | 2166 | libxfs_putbuf(bp); |
2bd0ea18 NS |
2167 | return 1; |
2168 | } | |
8e7e14be | 2169 | |
0519f662 DW |
2170 | /* check v5 metadata */ |
2171 | if (leafhdr.magic == XFS_DIR3_LEAFN_MAGIC || | |
2172 | leafhdr.magic == XFS_DA3_NODE_MAGIC) { | |
2173 | error = check_da3_header(mp, bp, ip->i_ino); | |
2174 | if (error) { | |
2175 | libxfs_putbuf(bp); | |
2176 | return error; | |
2177 | } | |
2178 | } | |
2179 | ||
2180 | /* ignore nodes */ | |
2181 | if (leafhdr.magic == XFS_DA_NODE_MAGIC || | |
2182 | leafhdr.magic == XFS_DA3_NODE_MAGIC) { | |
2183 | libxfs_putbuf(bp); | |
2184 | continue; | |
2185 | } | |
2186 | ||
8e7e14be DC |
2187 | /* |
2188 | * If there's a validator error, we need to ensure that we got | |
2189 | * the right ops on the buffer for when we write it back out. | |
2190 | */ | |
2191 | bp->b_ops = &xfs_dir3_leafn_buf_ops; | |
ff105f75 | 2192 | if (leafhdr.count > M_DIROPS(mp)->leaf_max_ents(mp->m_dir_geo) || |
658ac3e3 | 2193 | leafhdr.count < leafhdr.stale) { |
5d1b7f0f CH |
2194 | do_warn( |
2195 | _("leaf block %u for directory inode %" PRIu64 " bad header\n"), | |
2bd0ea18 | 2196 | da_bno, ip->i_ino); |
a2ceac1f | 2197 | libxfs_putbuf(bp); |
2bd0ea18 NS |
2198 | return 1; |
2199 | } | |
65b80c98 | 2200 | seeval = dir_hash_see_all(hashtab, ents, |
658ac3e3 | 2201 | leafhdr.count, leafhdr.stale); |
a2ceac1f | 2202 | libxfs_putbuf(bp); |
0f012a4c | 2203 | if (seeval != DIR_HASH_CK_OK) |
2bd0ea18 NS |
2204 | return 1; |
2205 | } | |
0f012a4c | 2206 | if (dir_hash_check(hashtab, ip, seeval)) |
2bd0ea18 | 2207 | return 1; |
0f012a4c | 2208 | |
ff105f75 | 2209 | for (da_bno = mp->m_dir_geo->freeblk, next_da_bno = 0; |
2bd0ea18 NS |
2210 | next_da_bno != NULLFILEOFF; |
2211 | da_bno = (xfs_dablk_t)next_da_bno) { | |
ff105f75 | 2212 | next_da_bno = da_bno + mp->m_dir_geo->fsbcount - 1; |
5e656dbb | 2213 | if (bmap_next_offset(NULL, ip, &next_da_bno, XFS_DATA_FORK)) |
2bd0ea18 | 2214 | break; |
8e7e14be DC |
2215 | |
2216 | error = dir_read_buf(ip, da_bno, -1, &bp, | |
2217 | &xfs_dir3_free_buf_ops, &fixit); | |
2218 | if (error) { | |
33165ec3 | 2219 | do_warn( |
8e7e14be DC |
2220 | _("can't read freespace block %u for directory inode %" PRIu64 ", error %d\n"), |
2221 | da_bno, ip->i_ino, error); | |
33165ec3 | 2222 | return 1; |
2bd0ea18 | 2223 | } |
a2ceac1f | 2224 | free = bp->b_addr; |
ff105f75 DC |
2225 | M_DIROPS(mp)->free_hdr_from_disk(&freehdr, free); |
2226 | bests = M_DIROPS(mp)->free_bests_p(free); | |
2227 | fdb = xfs_dir2_da_to_db(mp->m_dir_geo, da_bno); | |
658ac3e3 DC |
2228 | if (!(freehdr.magic == XFS_DIR2_FREE_MAGIC || |
2229 | freehdr.magic == XFS_DIR3_FREE_MAGIC) || | |
ff105f75 DC |
2230 | freehdr.firstdb != |
2231 | (fdb - xfs_dir2_byte_to_db(mp->m_dir_geo, XFS_DIR2_FREE_OFFSET)) * | |
2232 | M_DIROPS(mp)->free_max_bests(mp->m_dir_geo) || | |
2233 | freehdr.nvalid < freehdr.nused) { | |
5d1b7f0f CH |
2234 | do_warn( |
2235 | _("free block %u for directory inode %" PRIu64 " bad header\n"), | |
2bd0ea18 | 2236 | da_bno, ip->i_ino); |
a2ceac1f | 2237 | libxfs_putbuf(bp); |
2bd0ea18 NS |
2238 | return 1; |
2239 | } | |
0519f662 DW |
2240 | |
2241 | if (freehdr.magic == XFS_DIR3_FREE_MAGIC) { | |
2242 | error = check_dir3_header(mp, bp, ip->i_ino); | |
2243 | if (error) { | |
2244 | libxfs_putbuf(bp); | |
2245 | return error; | |
2246 | } | |
2247 | } | |
658ac3e3 DC |
2248 | for (i = used = 0; i < freehdr.nvalid; i++) { |
2249 | if (i + freehdr.firstdb >= freetab->nents || | |
2250 | freetab->ents[i + freehdr.firstdb].v != | |
2251 | be16_to_cpu(bests[i])) { | |
507f4e33 | 2252 | do_warn( |
5d1b7f0f | 2253 | _("free block %u entry %i for directory ino %" PRIu64 " bad\n"), |
2bd0ea18 | 2254 | da_bno, i, ip->i_ino); |
a2ceac1f | 2255 | libxfs_putbuf(bp); |
2bd0ea18 NS |
2256 | return 1; |
2257 | } | |
658ac3e3 DC |
2258 | used += be16_to_cpu(bests[i]) != NULLDATAOFF; |
2259 | freetab->ents[i + freehdr.firstdb].s = 1; | |
2bd0ea18 | 2260 | } |
658ac3e3 | 2261 | if (used != freehdr.nused) { |
5d1b7f0f CH |
2262 | do_warn( |
2263 | _("free block %u for directory inode %" PRIu64 " bad nused\n"), | |
2bd0ea18 | 2264 | da_bno, ip->i_ino); |
a2ceac1f | 2265 | libxfs_putbuf(bp); |
2bd0ea18 NS |
2266 | return 1; |
2267 | } | |
a2ceac1f | 2268 | libxfs_putbuf(bp); |
2bd0ea18 NS |
2269 | } |
2270 | for (i = 0; i < freetab->nents; i++) { | |
4b6a2d8e NS |
2271 | if ((freetab->ents[i].s == 0) && |
2272 | (freetab->ents[i].v != NULLDATAOFF)) { | |
5d1b7f0f CH |
2273 | do_warn( |
2274 | _("missing freetab entry %u for directory inode %" PRIu64 "\n"), | |
2bd0ea18 NS |
2275 | i, ip->i_ino); |
2276 | return 1; | |
2277 | } | |
2278 | } | |
8e7e14be | 2279 | return fixit; |
2bd0ea18 NS |
2280 | } |
2281 | ||
2282 | /* | |
33165ec3 BN |
2283 | * If a directory is corrupt, we need to read in as many entries as possible, |
2284 | * destroy the entry and create a new one with recovered name/inode pairs. | |
2285 | * (ie. get libxfs to do all the grunt work) | |
2bd0ea18 | 2286 | */ |
2556c98b | 2287 | static void |
2bd0ea18 NS |
2288 | longform_dir2_entry_check(xfs_mount_t *mp, |
2289 | xfs_ino_t ino, | |
2290 | xfs_inode_t *ip, | |
2291 | int *num_illegal, | |
2292 | int *need_dot, | |
2bd0ea18 | 2293 | ino_tree_node_t *irec, |
64c54486 | 2294 | int ino_offset, |
33165ec3 | 2295 | dir_hash_tab_t *hashtab) |
2bd0ea18 | 2296 | { |
a2ceac1f | 2297 | struct xfs_buf **bplist; |
2bd0ea18 NS |
2298 | xfs_dablk_t da_bno; |
2299 | freetab_t *freetab; | |
95dff16b | 2300 | int num_bps; |
2bd0ea18 NS |
2301 | int i; |
2302 | int isblock; | |
2303 | int isleaf; | |
2304 | xfs_fileoff_t next_da_bno; | |
2305 | int seeval; | |
b5fa9e86 | 2306 | int fixit = 0; |
95dff16b | 2307 | xfs_dir2_db_t db; |
ff105f75 | 2308 | struct xfs_da_args args; |
2bd0ea18 NS |
2309 | |
2310 | *need_dot = 1; | |
ff105f75 | 2311 | freetab = malloc(FREETAB_SIZE(ip->i_d.di_size / mp->m_dir_geo->blksize)); |
2bd0ea18 | 2312 | if (!freetab) { |
15e3986b DC |
2313 | do_error(_("malloc failed in %s (%" PRId64 " bytes)\n"), |
2314 | __func__, | |
ff105f75 | 2315 | FREETAB_SIZE(ip->i_d.di_size / mp->m_dir_geo->blksize)); |
2bd0ea18 NS |
2316 | exit(1); |
2317 | } | |
ff105f75 | 2318 | freetab->naents = ip->i_d.di_size / mp->m_dir_geo->blksize; |
2bd0ea18 NS |
2319 | freetab->nents = 0; |
2320 | for (i = 0; i < freetab->naents; i++) { | |
2321 | freetab->ents[i].v = NULLDATAOFF; | |
2322 | freetab->ents[i].s = 0; | |
2323 | } | |
95dff16b | 2324 | num_bps = freetab->naents; |
a2ceac1f | 2325 | bplist = calloc(num_bps, sizeof(struct xfs_buf*)); |
15e3986b DC |
2326 | if (!bplist) |
2327 | do_error(_("calloc failed in %s (%zu bytes)\n"), | |
2328 | __func__, num_bps * sizeof(struct xfs_buf*)); | |
2329 | ||
9d7d6241 | 2330 | /* is this a block, leaf, or node directory? */ |
ff105f75 DC |
2331 | args.dp = ip; |
2332 | args.geo = mp->m_dir_geo; | |
2333 | libxfs_dir2_isblock(&args, &isblock); | |
2334 | libxfs_dir2_isleaf(&args, &isleaf); | |
9d7d6241 | 2335 | |
33165ec3 | 2336 | /* check directory "data" blocks (ie. name/inode pairs) */ |
2bd0ea18 | 2337 | for (da_bno = 0, next_da_bno = 0; |
ff105f75 | 2338 | next_da_bno != NULLFILEOFF && da_bno < mp->m_dir_geo->leafblk; |
2bd0ea18 | 2339 | da_bno = (xfs_dablk_t)next_da_bno) { |
b5fa9e86 | 2340 | const struct xfs_buf_ops *ops; |
8e7e14be | 2341 | int error; |
0519f662 | 2342 | struct xfs_dir2_data_hdr *d; |
b5fa9e86 | 2343 | |
ff105f75 | 2344 | next_da_bno = da_bno + mp->m_dir_geo->fsbcount - 1; |
15e3986b DC |
2345 | if (bmap_next_offset(NULL, ip, &next_da_bno, XFS_DATA_FORK)) { |
2346 | /* | |
2347 | * if this is the first block, there isn't anything we | |
2348 | * can recover so we just trash it. | |
2349 | */ | |
2350 | if (da_bno == 0) { | |
2351 | fixit++; | |
2352 | goto out_fix; | |
2353 | } | |
2bd0ea18 | 2354 | break; |
15e3986b DC |
2355 | } |
2356 | ||
ff105f75 | 2357 | db = xfs_dir2_da_to_db(mp->m_dir_geo, da_bno); |
95dff16b | 2358 | if (db >= num_bps) { |
1624c340 ES |
2359 | int last_size = num_bps; |
2360 | ||
95dff16b BN |
2361 | /* more data blocks than expected */ |
2362 | num_bps = db + 1; | |
a2ceac1f | 2363 | bplist = realloc(bplist, num_bps * sizeof(struct xfs_buf*)); |
0f012a4c | 2364 | if (!bplist) |
15e3986b DC |
2365 | do_error(_("realloc failed in %s (%zu bytes)\n"), |
2366 | __func__, | |
a2ceac1f | 2367 | num_bps * sizeof(struct xfs_buf*)); |
1624c340 ES |
2368 | /* Initialize the new elements */ |
2369 | for (i = last_size; i < num_bps; i++) | |
2370 | bplist[i] = NULL; | |
95dff16b | 2371 | } |
b5fa9e86 DC |
2372 | |
2373 | if (isblock) | |
2374 | ops = &xfs_dir3_block_buf_ops; | |
2375 | else | |
2376 | ops = &xfs_dir3_data_buf_ops; | |
8e7e14be DC |
2377 | |
2378 | error = dir_read_buf(ip, da_bno, -1, &bplist[db], ops, &fixit); | |
2379 | if (error) { | |
5d1b7f0f | 2380 | do_warn( |
8e7e14be DC |
2381 | _("can't read data block %u for directory inode %" PRIu64 " error %d\n"), |
2382 | da_bno, ino, error); | |
95dff16b | 2383 | *num_illegal += 1; |
b5fa9e86 DC |
2384 | |
2385 | /* | |
2386 | * we try to read all "data" blocks, but if we are in | |
2387 | * block form and we fail, there isn't anything else to | |
2388 | * read, and nothing we can do but trash it. | |
2389 | */ | |
2390 | if (isblock) { | |
2391 | fixit++; | |
2392 | goto out_fix; | |
2393 | } | |
2394 | continue; | |
2bd0ea18 | 2395 | } |
0519f662 DW |
2396 | |
2397 | /* check v5 metadata */ | |
2398 | d = bplist[db]->b_addr; | |
2399 | if (be32_to_cpu(d->magic) == XFS_DIR3_BLOCK_MAGIC || | |
2400 | be32_to_cpu(d->magic) == XFS_DIR3_DATA_MAGIC) { | |
2401 | struct xfs_buf *bp = bplist[db]; | |
2402 | ||
2403 | error = check_dir3_header(mp, bp, ino); | |
2404 | if (error) { | |
2405 | fixit++; | |
2406 | continue; | |
2407 | } | |
2408 | } | |
2409 | ||
2bd0ea18 | 2410 | longform_dir2_entry_check_data(mp, ip, num_illegal, need_dot, |
2556c98b | 2411 | irec, ino_offset, &bplist[db], hashtab, |
33165ec3 | 2412 | &freetab, da_bno, isblock); |
2bd0ea18 | 2413 | } |
8e7e14be | 2414 | fixit |= (*num_illegal != 0) || dir2_is_badino(ino) || *need_dot; |
9d7d6241 | 2415 | |
575ca697 BN |
2416 | if (!dotdot_update) { |
2417 | /* check btree and freespace */ | |
2418 | if (isblock) { | |
a354abc8 | 2419 | struct xfs_dir2_data_hdr *block; |
575ca697 BN |
2420 | xfs_dir2_block_tail_t *btp; |
2421 | xfs_dir2_leaf_entry_t *blp; | |
2422 | ||
a2ceac1f | 2423 | block = bplist[0]->b_addr; |
ff105f75 | 2424 | btp = xfs_dir2_block_tail_p(mp->m_dir_geo, block); |
5e656dbb | 2425 | blp = xfs_dir2_block_leaf_p(btp); |
575ca697 BN |
2426 | seeval = dir_hash_see_all(hashtab, blp, |
2427 | be32_to_cpu(btp->count), | |
2428 | be32_to_cpu(btp->stale)); | |
2429 | if (dir_hash_check(hashtab, ip, seeval)) | |
2430 | fixit |= 1; | |
2431 | } else if (isleaf) { | |
2432 | fixit |= longform_dir2_check_leaf(mp, ip, hashtab, | |
2433 | freetab); | |
2434 | } else { | |
2435 | fixit |= longform_dir2_check_node(mp, ip, hashtab, | |
2436 | freetab); | |
2437 | } | |
2bd0ea18 | 2438 | } |
b5fa9e86 | 2439 | out_fix: |
575ca697 | 2440 | if (!no_modify && (fixit || dotdot_update)) { |
33165ec3 | 2441 | dir_hash_dup_names(hashtab); |
90dd8310 | 2442 | for (i = 0; i < num_bps; i++) |
33165ec3 | 2443 | if (bplist[i]) |
a2ceac1f | 2444 | libxfs_putbuf(bplist[i]); |
6fa00c33 | 2445 | longform_dir2_rebuild(mp, ino, ip, irec, ino_offset, hashtab); |
33165ec3 | 2446 | *num_illegal = 0; |
6fa00c33 | 2447 | *need_dot = 0; |
33165ec3 | 2448 | } else { |
90dd8310 | 2449 | for (i = 0; i < num_bps; i++) |
33165ec3 | 2450 | if (bplist[i]) |
a2ceac1f | 2451 | libxfs_putbuf(bplist[i]); |
33165ec3 | 2452 | } |
0f012a4c | 2453 | |
95dff16b | 2454 | free(bplist); |
2bd0ea18 NS |
2455 | free(freetab); |
2456 | } | |
2457 | ||
2bd0ea18 NS |
2458 | /* |
2459 | * shortform directory v2 processing routines -- entry verification and | |
2460 | * bad entry deletion (pruning). | |
2461 | */ | |
aaca101b DC |
2462 | static struct xfs_dir2_sf_entry * |
2463 | shortform_dir2_junk( | |
2464 | struct xfs_mount *mp, | |
2465 | struct xfs_dir2_sf_hdr *sfp, | |
2466 | struct xfs_dir2_sf_entry *sfep, | |
2467 | xfs_ino_t lino, | |
2468 | int *max_size, | |
2469 | int *index, | |
2470 | int *bytes_deleted, | |
2471 | int *ino_dirty) | |
2472 | { | |
2473 | struct xfs_dir2_sf_entry *next_sfep; | |
2474 | int next_len; | |
2475 | int next_elen; | |
2476 | ||
2477 | if (lino == orphanage_ino) | |
2478 | orphanage_ino = 0; | |
2479 | ||
ff105f75 DC |
2480 | next_elen = M_DIROPS(mp)->sf_entsize(sfp, sfep->namelen); |
2481 | next_sfep = M_DIROPS(mp)->sf_nextentry(sfp, sfep); | |
aaca101b DC |
2482 | |
2483 | /* | |
2484 | * if we are just checking, simply return the pointer to the next entry | |
2485 | * here so that the checking loop can continue. | |
2486 | */ | |
2487 | if (no_modify) { | |
2488 | do_warn(_("would junk entry\n")); | |
2489 | return next_sfep; | |
2490 | } | |
2491 | ||
2492 | /* | |
2493 | * now move all the remaining entries down over the junked entry and | |
2494 | * clear the newly unused bytes at the tail of the directory region. | |
2495 | */ | |
ee6cd73e | 2496 | next_len = *max_size - ((intptr_t)next_sfep - (intptr_t)sfp); |
aaca101b DC |
2497 | *max_size -= next_elen; |
2498 | *bytes_deleted += next_elen; | |
2499 | ||
2500 | memmove(sfep, next_sfep, next_len); | |
ee6cd73e | 2501 | memset((void *)((intptr_t)sfep + next_len), 0, next_elen); |
aaca101b DC |
2502 | sfp->count -= 1; |
2503 | *ino_dirty = 1; | |
2504 | ||
2505 | /* | |
2506 | * WARNING: drop the index i by one so it matches the decremented count | |
2507 | * for accurate comparisons in the loop test | |
2508 | */ | |
2509 | (*index)--; | |
2510 | ||
2511 | if (verbose) | |
2512 | do_warn(_("junking entry\n")); | |
2513 | else | |
2514 | do_warn("\n"); | |
2515 | return sfep; | |
2516 | } | |
2517 | ||
2556c98b | 2518 | static void |
2bd0ea18 NS |
2519 | shortform_dir2_entry_check(xfs_mount_t *mp, |
2520 | xfs_ino_t ino, | |
2521 | xfs_inode_t *ip, | |
2522 | int *ino_dirty, | |
2bd0ea18 | 2523 | ino_tree_node_t *current_irec, |
64c54486 | 2524 | int current_ino_offset, |
33165ec3 | 2525 | dir_hash_tab_t *hashtab) |
2bd0ea18 NS |
2526 | { |
2527 | xfs_ino_t lino; | |
2528 | xfs_ino_t parent; | |
a354abc8 | 2529 | struct xfs_dir2_sf_hdr *sfp; |
aaca101b DC |
2530 | struct xfs_dir2_sf_entry *sfep; |
2531 | struct xfs_dir2_sf_entry *next_sfep; | |
2532 | struct xfs_ifork *ifp; | |
2533 | struct ino_tree_node *irec; | |
2bd0ea18 NS |
2534 | int max_size; |
2535 | int ino_offset; | |
2536 | int i; | |
2bd0ea18 NS |
2537 | int bad_sfnamelen; |
2538 | int namelen; | |
2539 | int bytes_deleted; | |
2540 | char fname[MAXNAMELEN + 1]; | |
2541 | int i8; | |
2542 | ||
2543 | ifp = &ip->i_df; | |
a354abc8 | 2544 | sfp = (struct xfs_dir2_sf_hdr *) ifp->if_u1.if_data; |
2bd0ea18 | 2545 | *ino_dirty = 0; |
e55d768a | 2546 | bytes_deleted = 0; |
2bd0ea18 NS |
2547 | |
2548 | max_size = ifp->if_bytes; | |
2549 | ASSERT(ip->i_d.di_size <= ifp->if_bytes); | |
2550 | ||
575ca697 BN |
2551 | /* |
2552 | * if just rebuild a directory due to a "..", update and return | |
2553 | */ | |
2554 | if (dotdot_update) { | |
2555 | parent = get_inode_parent(current_irec, current_ino_offset); | |
2556 | if (no_modify) { | |
5d1b7f0f CH |
2557 | do_warn( |
2558 | _("would set .. in sf dir inode %" PRIu64 " to %" PRIu64 "\n"), | |
575ca697 BN |
2559 | ino, parent); |
2560 | } else { | |
5d1b7f0f CH |
2561 | do_warn( |
2562 | _("setting .. in sf dir inode %" PRIu64 " to %" PRIu64 "\n"), | |
575ca697 | 2563 | ino, parent); |
ff105f75 | 2564 | M_DIROPS(mp)->sf_put_parent_ino(sfp, parent); |
575ca697 BN |
2565 | *ino_dirty = 1; |
2566 | } | |
2567 | return; | |
2568 | } | |
2569 | ||
2bd0ea18 NS |
2570 | /* |
2571 | * no '.' entry in shortform dirs, just bump up ref count by 1 | |
2572 | * '..' was already (or will be) accounted for and checked when | |
2573 | * the directory is reached or will be taken care of when the | |
2574 | * directory is moved to orphanage. | |
2575 | */ | |
2576 | add_inode_ref(current_irec, current_ino_offset); | |
2577 | ||
e55d768a NS |
2578 | /* |
2579 | * Initialise i8 counter -- the parent inode number counts as well. | |
2580 | */ | |
ff105f75 | 2581 | i8 = M_DIROPS(mp)->sf_get_parent_ino(sfp) > XFS_DIR2_MAX_SHORT_INUM; |
e55d768a | 2582 | |
2bd0ea18 NS |
2583 | /* |
2584 | * now run through entries, stop at first bad entry, don't need | |
2585 | * to skip over '..' since that's encoded in its own field and | |
2586 | * no need to worry about '.' since it doesn't exist. | |
2587 | */ | |
a354abc8 | 2588 | sfep = next_sfep = xfs_dir2_sf_firstentry(sfp); |
2bd0ea18 | 2589 | |
a354abc8 | 2590 | for (i = 0; i < sfp->count && max_size > |
ee6cd73e | 2591 | (intptr_t)next_sfep - (intptr_t)sfp; |
2bd0ea18 | 2592 | sfep = next_sfep, i++) { |
2bd0ea18 | 2593 | bad_sfnamelen = 0; |
2bd0ea18 | 2594 | |
ff105f75 | 2595 | lino = M_DIROPS(mp)->sf_get_ino(sfp, sfep); |
2bd0ea18 NS |
2596 | |
2597 | namelen = sfep->namelen; | |
2598 | ||
2599 | ASSERT(no_modify || namelen > 0); | |
2600 | ||
2601 | if (no_modify && namelen == 0) { | |
2602 | /* | |
2603 | * if we're really lucky, this is | |
2604 | * the last entry in which case we | |
2605 | * can use the dir size to set the | |
2606 | * namelen value. otherwise, forget | |
2607 | * it because we're not going to be | |
2608 | * able to find the next entry. | |
2609 | */ | |
2610 | bad_sfnamelen = 1; | |
2611 | ||
a354abc8 | 2612 | if (i == sfp->count - 1) { |
2bd0ea18 | 2613 | namelen = ip->i_d.di_size - |
ee6cd73e CH |
2614 | ((intptr_t) &sfep->name[0] - |
2615 | (intptr_t) sfp); | |
2bd0ea18 NS |
2616 | } else { |
2617 | /* | |
2618 | * don't process the rest of the directory, | |
2619 | * break out of processing loop | |
2620 | */ | |
2621 | break; | |
2622 | } | |
ee6cd73e | 2623 | } else if (no_modify && (intptr_t) sfep - (intptr_t) sfp + |
ff105f75 | 2624 | + M_DIROPS(mp)->sf_entsize(sfp, sfep->namelen) |
2bd0ea18 NS |
2625 | > ip->i_d.di_size) { |
2626 | bad_sfnamelen = 1; | |
2627 | ||
a354abc8 | 2628 | if (i == sfp->count - 1) { |
2bd0ea18 | 2629 | namelen = ip->i_d.di_size - |
ee6cd73e CH |
2630 | ((intptr_t) &sfep->name[0] - |
2631 | (intptr_t) sfp); | |
2bd0ea18 NS |
2632 | } else { |
2633 | /* | |
2634 | * don't process the rest of the directory, | |
2635 | * break out of processing loop | |
2636 | */ | |
2637 | break; | |
2638 | } | |
2639 | } | |
2640 | ||
dab9b8d6 | 2641 | memmove(fname, sfep->name, sfep->namelen); |
2bd0ea18 NS |
2642 | fname[sfep->namelen] = '\0'; |
2643 | ||
2644 | ASSERT(no_modify || (lino != NULLFSINO && lino != 0)); | |
2645 | ASSERT(no_modify || !verify_inum(mp, lino)); | |
2646 | ||
e55d768a NS |
2647 | /* |
2648 | * Also skip entries with bogus inode numbers if we're | |
2649 | * in no modify mode. | |
2650 | */ | |
2651 | ||
2652 | if (no_modify && verify_inum(mp, lino)) { | |
ff105f75 | 2653 | next_sfep = M_DIROPS(mp)->sf_nextentry(sfp, sfep); |
2bd0ea18 NS |
2654 | continue; |
2655 | } | |
2656 | ||
1ae311d5 | 2657 | irec = find_inode_rec(mp, XFS_INO_TO_AGNO(mp, lino), |
2bd0ea18 NS |
2658 | XFS_INO_TO_AGINO(mp, lino)); |
2659 | ||
6c39a3cb | 2660 | if (irec == NULL) { |
5d1b7f0f CH |
2661 | do_warn( |
2662 | _("entry \"%s\" in shortform directory %" PRIu64 " references non-existent inode %" PRIu64 "\n"), | |
2bd0ea18 | 2663 | fname, ino, lino); |
aaca101b DC |
2664 | next_sfep = shortform_dir2_junk(mp, sfp, sfep, lino, |
2665 | &max_size, &i, &bytes_deleted, | |
2666 | ino_dirty); | |
2667 | continue; | |
2bd0ea18 NS |
2668 | } |
2669 | ||
2bd0ea18 NS |
2670 | ino_offset = XFS_INO_TO_AGINO(mp, lino) - irec->ino_startnum; |
2671 | ||
2672 | /* | |
2673 | * if it's a free inode, blow out the entry. | |
2674 | * by now, any inode that we think is free | |
2675 | * really is free. | |
2676 | */ | |
2677 | if (is_inode_free(irec, ino_offset)) { | |
5d1b7f0f CH |
2678 | do_warn( |
2679 | _("entry \"%s\" in shortform directory inode %" PRIu64 " points to free inode %" PRIu64 "\n"), | |
6c39a3cb | 2680 | fname, ino, lino); |
aaca101b DC |
2681 | next_sfep = shortform_dir2_junk(mp, sfp, sfep, lino, |
2682 | &max_size, &i, &bytes_deleted, | |
2683 | ino_dirty); | |
2684 | continue; | |
6c39a3cb BN |
2685 | } |
2686 | /* | |
2687 | * check if this inode is lost+found dir in the root | |
2688 | */ | |
2689 | if (ino == mp->m_sb.sb_rootino && strcmp(fname, ORPHANAGE) == 0) { | |
2bd0ea18 | 2690 | /* |
6c39a3cb | 2691 | * if it's not a directory, trash it |
2bd0ea18 | 2692 | */ |
6c39a3cb | 2693 | if (!inode_isadir(irec, ino_offset)) { |
5d1b7f0f CH |
2694 | do_warn( |
2695 | _("%s (ino %" PRIu64 ") in root (%" PRIu64 ") is not a directory"), | |
2696 | ORPHANAGE, lino, ino); | |
aaca101b DC |
2697 | next_sfep = shortform_dir2_junk(mp, sfp, sfep, |
2698 | lino, &max_size, &i, | |
2699 | &bytes_deleted, ino_dirty); | |
2700 | continue; | |
2bd0ea18 | 2701 | } |
64c54486 | 2702 | /* |
6c39a3cb BN |
2703 | * if this is a dup, it will be picked up below, |
2704 | * otherwise, mark it as the orphanage for later. | |
0f012a4c | 2705 | */ |
6c39a3cb BN |
2706 | if (!orphanage_ino) |
2707 | orphanage_ino = lino; | |
2708 | } | |
2709 | /* | |
2710 | * check for duplicate names in directory. | |
2711 | */ | |
51ca7008 | 2712 | if (!dir_hash_add(mp, hashtab, (xfs_dir2_dataptr_t) |
a354abc8 | 2713 | (sfep - xfs_dir2_sf_firstentry(sfp)), |
aaca101b | 2714 | lino, sfep->namelen, sfep->name, |
ff105f75 | 2715 | M_DIROPS(mp)->sf_get_ftype(sfep))) { |
5d1b7f0f CH |
2716 | do_warn( |
2717 | _("entry \"%s\" (ino %" PRIu64 ") in dir %" PRIu64 " is a duplicate name"), | |
2718 | fname, lino, ino); | |
aaca101b DC |
2719 | next_sfep = shortform_dir2_junk(mp, sfp, sfep, lino, |
2720 | &max_size, &i, &bytes_deleted, | |
2721 | ino_dirty); | |
2722 | continue; | |
6c39a3cb | 2723 | } |
575ca697 | 2724 | |
6c39a3cb | 2725 | if (!inode_isadir(irec, ino_offset)) { |
2bd0ea18 NS |
2726 | /* |
2727 | * check easy case first, regular inode, just bump | |
e55d768a | 2728 | * the link count |
2bd0ea18 NS |
2729 | */ |
2730 | add_inode_reached(irec, ino_offset); | |
2bd0ea18 NS |
2731 | } else { |
2732 | parent = get_inode_parent(irec, ino_offset); | |
2733 | ||
2734 | /* | |
2735 | * bump up the link counts in parent and child. | |
2736 | * directory but if the link doesn't agree with | |
2737 | * the .. in the child, blow out the entry | |
2738 | */ | |
2739 | if (is_inode_reached(irec, ino_offset)) { | |
5d1b7f0f CH |
2740 | do_warn( |
2741 | _("entry \"%s\" in directory inode %" PRIu64 | |
2742 | " references already connected inode %" PRIu64 ".\n"), | |
2bd0ea18 | 2743 | fname, ino, lino); |
aaca101b DC |
2744 | next_sfep = shortform_dir2_junk(mp, sfp, sfep, |
2745 | lino, &max_size, &i, | |
2746 | &bytes_deleted, ino_dirty); | |
2747 | continue; | |
2bd0ea18 NS |
2748 | } else if (parent == ino) { |
2749 | add_inode_reached(irec, ino_offset); | |
2750 | add_inode_ref(current_irec, current_ino_offset); | |
6fa00c33 BN |
2751 | } else if (parent == NULLFSINO) { |
2752 | /* ".." was missing, but this entry refers to it, | |
2753 | so, set it as the parent and mark for rebuild */ | |
5d1b7f0f CH |
2754 | do_warn( |
2755 | _("entry \"%s\" in dir ino %" PRIu64 " doesn't have a .. entry, will set it in ino %" PRIu64 ".\n"), | |
6fa00c33 BN |
2756 | fname, ino, lino); |
2757 | set_inode_parent(irec, ino_offset, ino); | |
2758 | add_inode_reached(irec, ino_offset); | |
2759 | add_inode_ref(current_irec, current_ino_offset); | |
575ca697 BN |
2760 | add_dotdot_update(XFS_INO_TO_AGNO(mp, lino), |
2761 | irec, ino_offset); | |
2bd0ea18 | 2762 | } else { |
5d1b7f0f CH |
2763 | do_warn( |
2764 | _("entry \"%s\" in directory inode %" PRIu64 | |
2765 | " not consistent with .. value (%" PRIu64 | |
2766 | ") in inode %" PRIu64 ",\n"), | |
2bd0ea18 | 2767 | fname, ino, parent, lino); |
aaca101b DC |
2768 | next_sfep = shortform_dir2_junk(mp, sfp, sfep, |
2769 | lino, &max_size, &i, | |
2770 | &bytes_deleted, ino_dirty); | |
2771 | continue; | |
2bd0ea18 NS |
2772 | } |
2773 | } | |
2774 | ||
aaca101b DC |
2775 | /* validate ftype field if supported */ |
2776 | if (xfs_sb_version_hasftype(&mp->m_sb)) { | |
14f8b681 DW |
2777 | uint8_t dir_ftype; |
2778 | uint8_t ino_ftype; | |
2bd0ea18 | 2779 | |
ff105f75 | 2780 | dir_ftype = M_DIROPS(mp)->sf_get_ftype(sfep); |
aaca101b | 2781 | ino_ftype = get_inode_ftype(irec, ino_offset); |
2bd0ea18 | 2782 | |
aaca101b DC |
2783 | if (dir_ftype != ino_ftype) { |
2784 | if (no_modify) { | |
2785 | do_warn( | |
2786 | _("would fix ftype mismatch (%d/%d) in directory/child inode %" PRIu64 "/%" PRIu64 "\n"), | |
2787 | dir_ftype, ino_ftype, | |
2788 | ino, lino); | |
2789 | } else { | |
2790 | do_warn( | |
2791 | _("fixing ftype mismatch (%d/%d) in directory/child inode %" PRIu64 "/%" PRIu64 "\n"), | |
2792 | dir_ftype, ino_ftype, | |
2793 | ino, lino); | |
ff105f75 | 2794 | M_DIROPS(mp)->sf_put_ftype(sfep, |
aaca101b DC |
2795 | ino_ftype); |
2796 | dir_hash_update_ftype(hashtab, | |
2797 | (xfs_dir2_dataptr_t)(sfep - xfs_dir2_sf_firstentry(sfp)), | |
2798 | ino_ftype); | |
2799 | *ino_dirty = 1; | |
2800 | } | |
2bd0ea18 | 2801 | } |
aaca101b DC |
2802 | } |
2803 | ||
2804 | if (lino > XFS_DIR2_MAX_SHORT_INUM) | |
2bd0ea18 NS |
2805 | i8++; |
2806 | ||
2807 | /* | |
aaca101b DC |
2808 | * go onto next entry - we have to take entries with bad namelen |
2809 | * into account in no modify mode since we calculate size based | |
2810 | * on next_sfep. | |
2bd0ea18 NS |
2811 | */ |
2812 | ASSERT(no_modify || bad_sfnamelen == 0); | |
ee6cd73e | 2813 | next_sfep = (struct xfs_dir2_sf_entry *)((intptr_t)sfep + |
aaca101b | 2814 | (bad_sfnamelen |
ff105f75 DC |
2815 | ? M_DIROPS(mp)->sf_entsize(sfp, namelen) |
2816 | : M_DIROPS(mp)->sf_entsize(sfp, sfep->namelen))); | |
2bd0ea18 NS |
2817 | } |
2818 | ||
a354abc8 | 2819 | if (sfp->i8count != i8) { |
2bd0ea18 | 2820 | if (no_modify) { |
5d1b7f0f CH |
2821 | do_warn(_("would fix i8count in inode %" PRIu64 "\n"), |
2822 | ino); | |
2bd0ea18 NS |
2823 | } else { |
2824 | if (i8 == 0) { | |
aaca101b DC |
2825 | struct xfs_dir2_sf_entry *tmp_sfep; |
2826 | ||
2bd0ea18 | 2827 | tmp_sfep = next_sfep; |
494434d7 | 2828 | process_sf_dir2_fixi8(mp, sfp, &tmp_sfep); |
2bd0ea18 | 2829 | bytes_deleted += |
ee6cd73e CH |
2830 | (intptr_t)next_sfep - |
2831 | (intptr_t)tmp_sfep; | |
2bd0ea18 NS |
2832 | next_sfep = tmp_sfep; |
2833 | } else | |
a354abc8 | 2834 | sfp->i8count = i8; |
2bd0ea18 | 2835 | *ino_dirty = 1; |
5d1b7f0f CH |
2836 | do_warn(_("fixing i8count in inode %" PRIu64 "\n"), |
2837 | ino); | |
2bd0ea18 NS |
2838 | } |
2839 | } | |
2840 | ||
2841 | /* | |
2842 | * sync up sizes if required | |
2843 | */ | |
aaca101b | 2844 | if (*ino_dirty && bytes_deleted > 0) { |
2bd0ea18 NS |
2845 | ASSERT(!no_modify); |
2846 | libxfs_idata_realloc(ip, -bytes_deleted, XFS_DATA_FORK); | |
2847 | ip->i_d.di_size -= bytes_deleted; | |
2848 | } | |
2849 | ||
2850 | if (ip->i_d.di_size != ip->i_df.if_bytes) { | |
2851 | ASSERT(ip->i_df.if_bytes == (xfs_fsize_t) | |
ee6cd73e | 2852 | ((intptr_t) next_sfep - (intptr_t) sfp)); |
2bd0ea18 | 2853 | ip->i_d.di_size = (xfs_fsize_t) |
ee6cd73e | 2854 | ((intptr_t) next_sfep - (intptr_t) sfp); |
5d1b7f0f CH |
2855 | do_warn( |
2856 | _("setting size to %" PRId64 " bytes to reflect junked entries\n"), | |
2bd0ea18 NS |
2857 | ip->i_d.di_size); |
2858 | *ino_dirty = 1; | |
2859 | } | |
2860 | } | |
2861 | ||
2862 | /* | |
2556c98b | 2863 | * processes all reachable inodes in directories |
2bd0ea18 | 2864 | */ |
2556c98b BN |
2865 | static void |
2866 | process_dir_inode( | |
2867 | xfs_mount_t *mp, | |
575ca697 | 2868 | xfs_agnumber_t agno, |
2556c98b BN |
2869 | ino_tree_node_t *irec, |
2870 | int ino_offset) | |
2bd0ea18 | 2871 | { |
575ca697 | 2872 | xfs_ino_t ino; |
2bd0ea18 NS |
2873 | xfs_inode_t *ip; |
2874 | xfs_trans_t *tp; | |
33165ec3 | 2875 | dir_hash_tab_t *hashtab; |
0b66d459 | 2876 | int need_dot; |
2bd0ea18 NS |
2877 | int dirty, num_illegal, error, nres; |
2878 | ||
575ca697 BN |
2879 | ino = XFS_AGINO_TO_INO(mp, agno, irec->ino_startnum + ino_offset); |
2880 | ||
2bd0ea18 | 2881 | /* |
2bd0ea18 NS |
2882 | * open up directory inode, check all entries, |
2883 | * then call prune_dir_entries to remove all | |
2884 | * remaining illegal directory entries. | |
2885 | */ | |
2886 | ||
f4ef1178 | 2887 | ASSERT(!is_inode_refchecked(irec, ino_offset) || dotdot_update); |
2bd0ea18 | 2888 | |
3452f451 | 2889 | error = -libxfs_iget(mp, NULL, ino, 0, &ip, &phase6_ifork_ops); |
2556c98b BN |
2890 | if (error) { |
2891 | if (!no_modify) | |
5d1b7f0f CH |
2892 | do_error( |
2893 | _("couldn't map inode %" PRIu64 ", err = %d\n"), | |
2556c98b BN |
2894 | ino, error); |
2895 | else { | |
5d1b7f0f CH |
2896 | do_warn( |
2897 | _("couldn't map inode %" PRIu64 ", err = %d\n"), | |
2556c98b | 2898 | ino, error); |
2bd0ea18 | 2899 | /* |
2556c98b BN |
2900 | * see below for what we're doing if this |
2901 | * is root. Why do we need to do this here? | |
2902 | * to ensure that the root doesn't show up | |
2903 | * as being disconnected in the no_modify case. | |
2bd0ea18 | 2904 | */ |
2556c98b BN |
2905 | if (mp->m_sb.sb_rootino == ino) { |
2906 | add_inode_reached(irec, 0); | |
2907 | add_inode_ref(irec, 0); | |
2908 | } | |
2bd0ea18 NS |
2909 | } |
2910 | ||
f4ef1178 | 2911 | add_inode_refchecked(irec, 0); |
2556c98b BN |
2912 | return; |
2913 | } | |
2bd0ea18 | 2914 | |
2556c98b | 2915 | need_dot = dirty = num_illegal = 0; |
64c54486 | 2916 | |
2556c98b | 2917 | if (mp->m_sb.sb_rootino == ino) { |
2bd0ea18 | 2918 | /* |
2556c98b BN |
2919 | * mark root inode reached and bump up |
2920 | * link count for root inode to account | |
2921 | * for '..' entry since the root inode is | |
2922 | * never reached by a parent. we know | |
2923 | * that root's '..' is always good -- | |
2924 | * guaranteed by phase 3 and/or below. | |
2bd0ea18 | 2925 | */ |
2556c98b BN |
2926 | add_inode_reached(irec, ino_offset); |
2927 | } | |
2928 | ||
f4ef1178 | 2929 | add_inode_refchecked(irec, ino_offset); |
2556c98b BN |
2930 | |
2931 | hashtab = dir_hash_init(ip->i_d.di_size); | |
2932 | ||
2933 | /* | |
2934 | * look for bogus entries | |
2935 | */ | |
2936 | switch (ip->i_d.di_format) { | |
2bd0ea18 NS |
2937 | case XFS_DINODE_FMT_EXTENTS: |
2938 | case XFS_DINODE_FMT_BTREE: | |
2939 | /* | |
2940 | * also check for missing '.' in longform dirs. | |
2941 | * missing .. entries are added if required when | |
2942 | * the directory is connected to lost+found. but | |
2943 | * we need to create '.' entries here. | |
2944 | */ | |
9a048535 DC |
2945 | longform_dir2_entry_check(mp, ino, ip, |
2946 | &num_illegal, &need_dot, | |
2947 | irec, ino_offset, | |
2948 | hashtab); | |
2bd0ea18 | 2949 | break; |
2556c98b | 2950 | |
2bd0ea18 | 2951 | case XFS_DINODE_FMT_LOCAL: |
2bd0ea18 NS |
2952 | /* |
2953 | * using the remove reservation is overkill | |
2954 | * since at most we'll only need to log the | |
2955 | * inode but it's easier than wedging a | |
2956 | * new define in ourselves. | |
2957 | */ | |
2958 | nres = no_modify ? 0 : XFS_REMOVE_SPACE_RES(mp); | |
9074815c CH |
2959 | error = -libxfs_trans_alloc(mp, &M_RES(mp)->tr_remove, |
2960 | nres, 0, 0, &tp); | |
2bd0ea18 NS |
2961 | if (error) |
2962 | res_failed(error); | |
2963 | ||
2964 | libxfs_trans_ijoin(tp, ip, 0); | |
2bd0ea18 | 2965 | |
9a048535 DC |
2966 | shortform_dir2_entry_check(mp, ino, ip, &dirty, |
2967 | irec, ino_offset, | |
2968 | hashtab); | |
2bd0ea18 | 2969 | |
27527004 | 2970 | ASSERT(dirty == 0 || (dirty && !no_modify)); |
2bd0ea18 NS |
2971 | if (dirty) { |
2972 | libxfs_trans_log_inode(tp, ip, | |
2973 | XFS_ILOG_CORE | XFS_ILOG_DDATA); | |
f2279d8d DW |
2974 | error = -libxfs_trans_commit(tp); |
2975 | if (error) | |
af06261f DW |
2976 | do_error( |
2977 | _("error %d fixing shortform directory %llu\n"), | |
2978 | error, | |
2979 | (unsigned long long)ip->i_ino); | |
2bd0ea18 | 2980 | } else { |
3d7434fe | 2981 | libxfs_trans_cancel(tp); |
2bd0ea18 NS |
2982 | } |
2983 | break; | |
2556c98b | 2984 | |
2bd0ea18 NS |
2985 | default: |
2986 | break; | |
2556c98b BN |
2987 | } |
2988 | dir_hash_done(hashtab); | |
2bd0ea18 | 2989 | |
2556c98b BN |
2990 | /* |
2991 | * if we have to create a .. for /, do it now *before* | |
2992 | * we delete the bogus entries, otherwise the directory | |
2993 | * could transform into a shortform dir which would | |
2994 | * probably cause the simulation to choke. Even | |
2995 | * if the illegal entries get shifted around, it's ok | |
2996 | * because the entries are structurally intact and in | |
2997 | * in hash-value order so the simulation won't get confused | |
2998 | * if it has to move them around. | |
2999 | */ | |
3000 | if (!no_modify && need_root_dotdot && ino == mp->m_sb.sb_rootino) { | |
3001 | ASSERT(ip->i_d.di_format != XFS_DINODE_FMT_LOCAL); | |
2bd0ea18 | 3002 | |
2556c98b | 3003 | do_warn(_("recreating root directory .. entry\n")); |
2bd0ea18 | 3004 | |
2556c98b | 3005 | nres = XFS_MKDIR_SPACE_RES(mp, 2); |
9074815c CH |
3006 | error = -libxfs_trans_alloc(mp, &M_RES(mp)->tr_mkdir, |
3007 | nres, 0, 0, &tp); | |
2556c98b BN |
3008 | if (error) |
3009 | res_failed(error); | |
2bd0ea18 | 3010 | |
2556c98b | 3011 | libxfs_trans_ijoin(tp, ip, 0); |
2bd0ea18 | 3012 | |
12b53197 | 3013 | error = -libxfs_dir_createname(tp, ip, &xfs_name_dotdot, |
015bc82e | 3014 | ip->i_ino, nres); |
2556c98b | 3015 | if (error) |
5d1b7f0f CH |
3016 | do_error( |
3017 | _("can't make \"..\" entry in root inode %" PRIu64 ", createname error %d\n"), ino, error); | |
2bd0ea18 | 3018 | |
2556c98b | 3019 | libxfs_trans_log_inode(tp, ip, XFS_ILOG_CORE); |
f2279d8d DW |
3020 | error = -libxfs_trans_commit(tp); |
3021 | if (error) | |
3022 | do_error( | |
3023 | _("root inode \"..\" entry recreation failed (%d)\n"), error); | |
2bd0ea18 | 3024 | |
2556c98b BN |
3025 | need_root_dotdot = 0; |
3026 | } else if (need_root_dotdot && ino == mp->m_sb.sb_rootino) { | |
3027 | do_warn(_("would recreate root directory .. entry\n")); | |
3028 | } | |
2bd0ea18 | 3029 | |
2556c98b BN |
3030 | /* |
3031 | * if we need to create the '.' entry, do so only if | |
ff1f79a7 | 3032 | * the directory is a longform dir. if it's been |
2556c98b BN |
3033 | * turned into a shortform dir, then the inode is ok |
3034 | * since shortform dirs have no '.' entry and the inode | |
3035 | * has already been committed by prune_lf_dir_entry(). | |
3036 | */ | |
3037 | if (need_dot) { | |
2bd0ea18 | 3038 | /* |
2556c98b BN |
3039 | * bump up our link count but don't |
3040 | * bump up the inode link count. chances | |
3041 | * are good that even though we lost '.' | |
3042 | * the inode link counts reflect '.' so | |
3043 | * leave the inode link count alone and if | |
3044 | * it turns out to be wrong, we'll catch | |
3045 | * that in phase 7. | |
2bd0ea18 | 3046 | */ |
2556c98b BN |
3047 | add_inode_ref(irec, ino_offset); |
3048 | ||
3049 | if (no_modify) { | |
5d1b7f0f CH |
3050 | do_warn( |
3051 | _("would create missing \".\" entry in dir ino %" PRIu64 "\n"), | |
2556c98b BN |
3052 | ino); |
3053 | } else if (ip->i_d.di_format != XFS_DINODE_FMT_LOCAL) { | |
2bd0ea18 | 3054 | /* |
2556c98b | 3055 | * need to create . entry in longform dir. |
2bd0ea18 | 3056 | */ |
5d1b7f0f CH |
3057 | do_warn( |
3058 | _("creating missing \".\" entry in dir ino %" PRIu64 "\n"), ino); | |
2bd0ea18 | 3059 | |
2556c98b | 3060 | nres = XFS_MKDIR_SPACE_RES(mp, 1); |
9074815c CH |
3061 | error = -libxfs_trans_alloc(mp, &M_RES(mp)->tr_mkdir, |
3062 | nres, 0, 0, &tp); | |
2556c98b BN |
3063 | if (error) |
3064 | res_failed(error); | |
2bd0ea18 | 3065 | |
2556c98b | 3066 | libxfs_trans_ijoin(tp, ip, 0); |
2bd0ea18 | 3067 | |
12b53197 | 3068 | error = -libxfs_dir_createname(tp, ip, &xfs_name_dot, |
015bc82e | 3069 | ip->i_ino, nres); |
5e656dbb | 3070 | if (error) |
5d1b7f0f CH |
3071 | do_error( |
3072 | _("can't make \".\" entry in dir ino %" PRIu64 ", createname error %d\n"), | |
2556c98b | 3073 | ino, error); |
2bd0ea18 | 3074 | |
2556c98b | 3075 | libxfs_trans_log_inode(tp, ip, XFS_ILOG_CORE); |
f2279d8d DW |
3076 | error = -libxfs_trans_commit(tp); |
3077 | if (error) | |
3078 | do_error( | |
3079 | _("root inode \".\" entry recreation failed (%d)\n"), error); | |
2bd0ea18 | 3080 | } |
2bd0ea18 | 3081 | } |
31845e4c | 3082 | libxfs_irele(ip); |
2bd0ea18 NS |
3083 | } |
3084 | ||
3085 | /* | |
3086 | * mark realtime bitmap and summary inodes as reached. | |
3087 | * quota inode will be marked here as well | |
3088 | */ | |
8b8a6b02 | 3089 | static void |
2bd0ea18 NS |
3090 | mark_standalone_inodes(xfs_mount_t *mp) |
3091 | { | |
3092 | ino_tree_node_t *irec; | |
3093 | int offset; | |
3094 | ||
1ae311d5 | 3095 | irec = find_inode_rec(mp, XFS_INO_TO_AGNO(mp, mp->m_sb.sb_rbmino), |
2bd0ea18 NS |
3096 | XFS_INO_TO_AGINO(mp, mp->m_sb.sb_rbmino)); |
3097 | ||
2bd0ea18 NS |
3098 | offset = XFS_INO_TO_AGINO(mp, mp->m_sb.sb_rbmino) - |
3099 | irec->ino_startnum; | |
3100 | ||
3101 | add_inode_reached(irec, offset); | |
3102 | ||
1ae311d5 | 3103 | irec = find_inode_rec(mp, XFS_INO_TO_AGNO(mp, mp->m_sb.sb_rsumino), |
2bd0ea18 NS |
3104 | XFS_INO_TO_AGINO(mp, mp->m_sb.sb_rsumino)); |
3105 | ||
dfc130f3 | 3106 | offset = XFS_INO_TO_AGINO(mp, mp->m_sb.sb_rsumino) - |
2bd0ea18 NS |
3107 | irec->ino_startnum; |
3108 | ||
2bd0ea18 NS |
3109 | add_inode_reached(irec, offset); |
3110 | ||
3111 | if (fs_quotas) { | |
3112 | if (mp->m_sb.sb_uquotino | |
3113 | && mp->m_sb.sb_uquotino != NULLFSINO) { | |
1ae311d5 | 3114 | irec = find_inode_rec(mp, XFS_INO_TO_AGNO(mp, |
2bd0ea18 NS |
3115 | mp->m_sb.sb_uquotino), |
3116 | XFS_INO_TO_AGINO(mp, mp->m_sb.sb_uquotino)); | |
3117 | offset = XFS_INO_TO_AGINO(mp, mp->m_sb.sb_uquotino) | |
3118 | - irec->ino_startnum; | |
3119 | add_inode_reached(irec, offset); | |
3120 | } | |
b36eef04 NS |
3121 | if (mp->m_sb.sb_gquotino |
3122 | && mp->m_sb.sb_gquotino != NULLFSINO) { | |
1ae311d5 | 3123 | irec = find_inode_rec(mp, XFS_INO_TO_AGNO(mp, |
b36eef04 NS |
3124 | mp->m_sb.sb_gquotino), |
3125 | XFS_INO_TO_AGINO(mp, mp->m_sb.sb_gquotino)); | |
3126 | offset = XFS_INO_TO_AGINO(mp, mp->m_sb.sb_gquotino) | |
2bd0ea18 NS |
3127 | - irec->ino_startnum; |
3128 | add_inode_reached(irec, offset); | |
3129 | } | |
0340d706 CS |
3130 | if (mp->m_sb.sb_pquotino |
3131 | && mp->m_sb.sb_pquotino != NULLFSINO) { | |
3132 | irec = find_inode_rec(mp, XFS_INO_TO_AGNO(mp, | |
3133 | mp->m_sb.sb_pquotino), | |
3134 | XFS_INO_TO_AGINO(mp, mp->m_sb.sb_pquotino)); | |
3135 | offset = XFS_INO_TO_AGINO(mp, mp->m_sb.sb_pquotino) | |
3136 | - irec->ino_startnum; | |
3137 | add_inode_reached(irec, offset); | |
3138 | } | |
2bd0ea18 NS |
3139 | } |
3140 | } | |
3141 | ||
6c39a3cb BN |
3142 | static void |
3143 | check_for_orphaned_inodes( | |
3144 | xfs_mount_t *mp, | |
2556c98b | 3145 | xfs_agnumber_t agno, |
6c39a3cb BN |
3146 | ino_tree_node_t *irec) |
3147 | { | |
3148 | int i; | |
6c39a3cb BN |
3149 | xfs_ino_t ino; |
3150 | ||
3151 | for (i = 0; i < XFS_INODES_PER_CHUNK; i++) { | |
3152 | ASSERT(is_inode_confirmed(irec, i)); | |
3153 | if (is_inode_free(irec, i)) | |
3154 | continue; | |
3155 | ||
2556c98b BN |
3156 | if (is_inode_reached(irec, i)) |
3157 | continue; | |
3158 | ||
3159 | ASSERT(inode_isadir(irec, i) || | |
3160 | num_inode_references(irec, i) == 0); | |
3161 | ||
3162 | ino = XFS_AGINO_TO_INO(mp, agno, i + irec->ino_startnum); | |
3163 | if (inode_isadir(irec, i)) | |
5d1b7f0f | 3164 | do_warn(_("disconnected dir inode %" PRIu64 ", "), ino); |
2556c98b | 3165 | else |
5d1b7f0f | 3166 | do_warn(_("disconnected inode %" PRIu64 ", "), ino); |
9a048535 DC |
3167 | if (!no_modify) { |
3168 | if (!orphanage_ino) | |
2556c98b BN |
3169 | orphanage_ino = mk_orphanage(mp); |
3170 | do_warn(_("moving to %s\n"), ORPHANAGE); | |
3171 | mv_orphanage(mp, ino, inode_isadir(irec, i)); | |
3172 | } else { | |
3173 | do_warn(_("would move to %s\n"), ORPHANAGE); | |
6c39a3cb | 3174 | } |
2556c98b BN |
3175 | /* |
3176 | * for read-only case, even though the inode isn't | |
3177 | * really reachable, set the flag (and bump our link | |
3178 | * count) anyway to fool phase 7 | |
3179 | */ | |
3180 | add_inode_reached(irec, i); | |
6c39a3cb BN |
3181 | } |
3182 | } | |
3183 | ||
a1d54891 | 3184 | static void |
2556c98b | 3185 | traverse_function( |
62843f36 | 3186 | struct workqueue *wq, |
2556c98b BN |
3187 | xfs_agnumber_t agno, |
3188 | void *arg) | |
a1d54891 | 3189 | { |
2556c98b BN |
3190 | ino_tree_node_t *irec; |
3191 | int i; | |
3192 | prefetch_args_t *pf_args = arg; | |
3193 | ||
3194 | wait_for_inode_prefetch(pf_args); | |
a1d54891 MV |
3195 | |
3196 | if (verbose) | |
3197 | do_log(_(" - agno = %d\n"), agno); | |
3198 | ||
2556c98b BN |
3199 | for (irec = findfirst_inode_rec(agno); irec; irec = next_ino_rec(irec)) { |
3200 | if (irec->ino_isa_dir == 0) | |
3201 | continue; | |
a1d54891 | 3202 | |
004e18d4 | 3203 | if (pf_args) { |
2556c98b | 3204 | sem_post(&pf_args->ra_count); |
004e18d4 DC |
3205 | #ifdef XR_PF_TRACE |
3206 | sem_getvalue(&pf_args->ra_count, &i); | |
3207 | pftrace( | |
3208 | "processing inode chunk %p in AG %d (sem count = %d)", | |
3209 | irec, agno, i); | |
3210 | #endif | |
3211 | } | |
a1d54891 | 3212 | |
2556c98b BN |
3213 | for (i = 0; i < XFS_INODES_PER_CHUNK; i++) { |
3214 | if (inode_isadir(irec, i)) | |
62843f36 | 3215 | process_dir_inode(wq->wq_ctx, agno, irec, i); |
a1d54891 | 3216 | } |
a1d54891 | 3217 | } |
2556c98b | 3218 | cleanup_inode_prefetch(pf_args); |
a1d54891 MV |
3219 | } |
3220 | ||
575ca697 BN |
3221 | static void |
3222 | update_missing_dotdot_entries( | |
3223 | xfs_mount_t *mp) | |
3224 | { | |
3225 | dotdot_update_t *dir; | |
3226 | ||
3227 | /* | |
3228 | * these entries parents were updated, rebuild them again | |
3229 | * set dotdot_update flag so processing routines do not count links | |
3230 | */ | |
3231 | dotdot_update = 1; | |
1177f669 DC |
3232 | while (!list_empty(&dotdot_update_list)) { |
3233 | dir = list_entry(dotdot_update_list.prev, struct dotdot_update, | |
3234 | list); | |
3235 | list_del(&dir->list); | |
575ca697 BN |
3236 | process_dir_inode(mp, dir->agno, dir->irec, dir->ino_offset); |
3237 | free(dir); | |
3238 | } | |
3239 | } | |
3240 | ||
a1d54891 | 3241 | static void |
2556c98b | 3242 | traverse_ags( |
1164bde5 | 3243 | struct xfs_mount *mp) |
a1d54891 | 3244 | { |
1164bde5 | 3245 | do_inode_prefetch(mp, 0, traverse_function, false, true); |
a1d54891 MV |
3246 | } |
3247 | ||
2bd0ea18 NS |
3248 | void |
3249 | phase6(xfs_mount_t *mp) | |
3250 | { | |
2bd0ea18 | 3251 | ino_tree_node_t *irec; |
2bd0ea18 | 3252 | int i; |
2bd0ea18 | 3253 | |
dab9b8d6 BN |
3254 | memset(&zerocr, 0, sizeof(struct cred)); |
3255 | memset(&zerofsx, 0, sizeof(struct fsxattr)); | |
6c39a3cb | 3256 | orphanage_ino = 0; |
2bd0ea18 | 3257 | |
507f4e33 | 3258 | do_log(_("Phase 6 - check inode connectivity...\n")); |
2bd0ea18 | 3259 | |
2bd0ea18 NS |
3260 | incore_ext_teardown(mp); |
3261 | ||
0f012a4c | 3262 | add_ino_ex_data(mp); |
2bd0ea18 NS |
3263 | |
3264 | /* | |
3265 | * verify existence of root directory - if we have to | |
3266 | * make one, it's ok for the incore data structs not to | |
3267 | * know about it since everything about it (and the other | |
3268 | * inodes in its chunk if a new chunk was created) are ok | |
3269 | */ | |
3270 | if (need_root_inode) { | |
9a048535 | 3271 | if (!no_modify) { |
507f4e33 | 3272 | do_warn(_("reinitializing root directory\n")); |
2bd0ea18 NS |
3273 | mk_root_dir(mp); |
3274 | need_root_inode = 0; | |
3275 | need_root_dotdot = 0; | |
3276 | } else { | |
507f4e33 | 3277 | do_warn(_("would reinitialize root directory\n")); |
2bd0ea18 NS |
3278 | } |
3279 | } | |
3280 | ||
3281 | if (need_rbmino) { | |
3282 | if (!no_modify) { | |
507f4e33 | 3283 | do_warn(_("reinitializing realtime bitmap inode\n")); |
2bd0ea18 NS |
3284 | mk_rbmino(mp); |
3285 | need_rbmino = 0; | |
3286 | } else { | |
507f4e33 | 3287 | do_warn(_("would reinitialize realtime bitmap inode\n")); |
2bd0ea18 NS |
3288 | } |
3289 | } | |
3290 | ||
3291 | if (need_rsumino) { | |
3292 | if (!no_modify) { | |
507f4e33 | 3293 | do_warn(_("reinitializing realtime summary inode\n")); |
2bd0ea18 NS |
3294 | mk_rsumino(mp); |
3295 | need_rsumino = 0; | |
3296 | } else { | |
507f4e33 | 3297 | do_warn(_("would reinitialize realtime summary inode\n")); |
2bd0ea18 NS |
3298 | } |
3299 | } | |
3300 | ||
3301 | if (!no_modify) { | |
3302 | do_log( | |
507f4e33 | 3303 | _(" - resetting contents of realtime bitmap and summary inodes\n")); |
2bd0ea18 NS |
3304 | if (fill_rbmino(mp)) { |
3305 | do_warn( | |
507f4e33 | 3306 | _("Warning: realtime bitmap may be inconsistent\n")); |
2bd0ea18 NS |
3307 | } |
3308 | ||
3309 | if (fill_rsumino(mp)) { | |
3310 | do_warn( | |
507f4e33 | 3311 | _("Warning: realtime bitmap may be inconsistent\n")); |
2bd0ea18 NS |
3312 | } |
3313 | } | |
3314 | ||
2bd0ea18 NS |
3315 | mark_standalone_inodes(mp); |
3316 | ||
69ec88b5 | 3317 | do_log(_(" - traversing filesystem ...\n")); |
2bd0ea18 | 3318 | |
1ae311d5 | 3319 | irec = find_inode_rec(mp, XFS_INO_TO_AGNO(mp, mp->m_sb.sb_rootino), |
2bd0ea18 NS |
3320 | XFS_INO_TO_AGINO(mp, mp->m_sb.sb_rootino)); |
3321 | ||
3322 | /* | |
3323 | * we always have a root inode, even if it's free... | |
3324 | * if the root is free, forget it, lost+found is already gone | |
3325 | */ | |
3326 | if (is_inode_free(irec, 0) || !inode_isadir(irec, 0)) { | |
3327 | need_root_inode = 1; | |
3328 | } | |
3329 | ||
3330 | /* | |
2556c98b | 3331 | * then process all inodes by walking incore inode tree |
2bd0ea18 | 3332 | */ |
2556c98b | 3333 | traverse_ags(mp); |
2bd0ea18 | 3334 | |
575ca697 BN |
3335 | /* |
3336 | * any directories that had updated ".." entries, rebuild them now | |
3337 | */ | |
3338 | update_missing_dotdot_entries(mp); | |
3339 | ||
69ec88b5 BN |
3340 | do_log(_(" - traversal finished ...\n")); |
3341 | do_log(_(" - moving disconnected inodes to %s ...\n"), | |
6c39a3cb | 3342 | ORPHANAGE); |
2bd0ea18 NS |
3343 | |
3344 | /* | |
3345 | * move all disconnected inodes to the orphanage | |
3346 | */ | |
3347 | for (i = 0; i < glob_agcount; i++) { | |
3348 | irec = findfirst_inode_rec(i); | |
2bd0ea18 | 3349 | while (irec != NULL) { |
2556c98b | 3350 | check_for_orphaned_inodes(mp, i, irec); |
2bd0ea18 NS |
3351 | irec = next_ino_rec(irec); |
3352 | } | |
3353 | } | |
3354 | } |