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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 */ | |
482 | xfs_ifork_t *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 | ||
516 | void | |
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; |
f33cea1a | 525 | struct xfs_defer_ops dfops; |
5a35bf2c | 526 | xfs_fileoff_t bno; |
2bd0ea18 | 527 | xfs_bmbt_irec_t map[XFS_BMAP_MAX_NMAP]; |
41ce5f36 DC |
528 | int vers; |
529 | int times; | |
225e4bb2 | 530 | uint blocks; |
2bd0ea18 NS |
531 | |
532 | /* | |
533 | * first set up inode | |
534 | */ | |
225e4bb2 | 535 | i = -libxfs_trans_alloc_rollable(mp, 10, &tp); |
48ea6cb9 | 536 | if (i) |
2bd0ea18 NS |
537 | res_failed(i); |
538 | ||
12b53197 | 539 | error = -libxfs_trans_iget(mp, tp, mp->m_sb.sb_rbmino, 0, 0, &ip); |
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; | |
568 | ip->i_df.if_bytes = ip->i_df.if_real_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 | */ | |
576 | libxfs_trans_log_inode(tp, ip, XFS_ILOG_CORE); | |
de5a3f46 | 577 | libxfs_trans_commit(tp); |
2bd0ea18 NS |
578 | |
579 | /* | |
580 | * then allocate blocks for file and fill with zeroes (stolen | |
581 | * from mkfs) | |
582 | */ | |
225e4bb2 DW |
583 | blocks = mp->m_sb.sb_rbmblocks + |
584 | XFS_BM_MAXLEVELS(mp, XFS_DATA_FORK) - 1; | |
585 | error = -libxfs_trans_alloc_rollable(mp, blocks, &tp); | |
48ea6cb9 | 586 | if (error) |
2bd0ea18 NS |
587 | res_failed(error); |
588 | ||
589 | libxfs_trans_ijoin(tp, ip, 0); | |
590 | bno = 0; | |
2bd0ea18 NS |
591 | while (bno < mp->m_sb.sb_rbmblocks) { |
592 | nmap = XFS_BMAP_MAX_NMAP; | |
12b53197 | 593 | error = -libxfs_bmapi_write(tp, ip, bno, |
2bd0ea18 | 594 | (xfs_extlen_t)(mp->m_sb.sb_rbmblocks - bno), |
b39f9fcb | 595 | 0, mp->m_sb.sb_rbmblocks, map, &nmap); |
2bd0ea18 | 596 | if (error) { |
507f4e33 NS |
597 | do_error( |
598 | _("couldn't allocate realtime bitmap, error = %d\n"), | |
2bd0ea18 NS |
599 | error); |
600 | } | |
601 | for (i = 0, ep = map; i < nmap; i++, ep++) { | |
75c8b434 | 602 | libxfs_device_zero(mp->m_ddev_targp, |
2bd0ea18 NS |
603 | XFS_FSB_TO_DADDR(mp, ep->br_startblock), |
604 | XFS_FSB_TO_BB(mp, ep->br_blockcount)); | |
605 | bno += ep->br_blockcount; | |
606 | } | |
607 | } | |
5c33baee | 608 | libxfs_defer_ijoin(&dfops, ip); |
de5a3f46 | 609 | libxfs_trans_commit(tp); |
4491caa3 | 610 | IRELE(ip); |
2bd0ea18 NS |
611 | } |
612 | ||
8b8a6b02 | 613 | static int |
2bd0ea18 NS |
614 | fill_rbmino(xfs_mount_t *mp) |
615 | { | |
616 | xfs_buf_t *bp; | |
617 | xfs_trans_t *tp; | |
618 | xfs_inode_t *ip; | |
619 | xfs_rtword_t *bmp; | |
2bd0ea18 NS |
620 | int nmap; |
621 | int error; | |
5a35bf2c | 622 | xfs_fileoff_t bno; |
2bd0ea18 NS |
623 | xfs_bmbt_irec_t map; |
624 | ||
625 | bmp = btmcompute; | |
626 | bno = 0; | |
627 | ||
225e4bb2 | 628 | error = -libxfs_trans_alloc_rollable(mp, 10, &tp); |
48ea6cb9 | 629 | if (error) |
2bd0ea18 NS |
630 | res_failed(error); |
631 | ||
12b53197 | 632 | error = -libxfs_trans_iget(mp, tp, mp->m_sb.sb_rbmino, 0, 0, &ip); |
2bd0ea18 | 633 | if (error) { |
507f4e33 NS |
634 | do_error( |
635 | _("couldn't iget realtime bitmap inode -- error - %d\n"), | |
2bd0ea18 NS |
636 | error); |
637 | } | |
638 | ||
639 | while (bno < mp->m_sb.sb_rbmblocks) { | |
640 | /* | |
641 | * fill the file one block at a time | |
642 | */ | |
643 | nmap = 1; | |
b39f9fcb | 644 | error = -libxfs_bmapi_write(tp, ip, bno, 1, 0, 1, &map, &nmap); |
2bd0ea18 NS |
645 | if (error || nmap != 1) { |
646 | do_error( | |
5d1b7f0f | 647 | _("couldn't map realtime bitmap block %" PRIu64 ", error = %d\n"), |
2bd0ea18 NS |
648 | bno, error); |
649 | } | |
650 | ||
651 | ASSERT(map.br_startblock != HOLESTARTBLOCK); | |
652 | ||
12b53197 | 653 | error = -libxfs_trans_read_buf( |
2bd0ea18 | 654 | mp, tp, mp->m_dev, |
dfc130f3 | 655 | XFS_FSB_TO_DADDR(mp, map.br_startblock), |
a2ceac1f | 656 | XFS_FSB_TO_BB(mp, 1), 1, &bp, NULL); |
2bd0ea18 NS |
657 | |
658 | if (error) { | |
659 | do_warn( | |
5d1b7f0f | 660 | _("can't access block %" PRIu64 " (fsbno %" PRIu64 ") of realtime bitmap inode %" PRIu64 "\n"), |
2bd0ea18 NS |
661 | bno, map.br_startblock, mp->m_sb.sb_rbmino); |
662 | return(1); | |
663 | } | |
664 | ||
04338619 | 665 | memmove(bp->b_addr, bmp, mp->m_sb.sb_blocksize); |
2bd0ea18 NS |
666 | |
667 | libxfs_trans_log_buf(tp, bp, 0, mp->m_sb.sb_blocksize - 1); | |
668 | ||
ee6cd73e | 669 | bmp = (xfs_rtword_t *)((intptr_t) bmp + mp->m_sb.sb_blocksize); |
2bd0ea18 NS |
670 | bno++; |
671 | } | |
672 | ||
de5a3f46 | 673 | libxfs_trans_commit(tp); |
4491caa3 | 674 | IRELE(ip); |
2bd0ea18 NS |
675 | return(0); |
676 | } | |
677 | ||
8b8a6b02 | 678 | static int |
2bd0ea18 NS |
679 | fill_rsumino(xfs_mount_t *mp) |
680 | { | |
681 | xfs_buf_t *bp; | |
682 | xfs_trans_t *tp; | |
683 | xfs_inode_t *ip; | |
684 | xfs_suminfo_t *smp; | |
2bd0ea18 NS |
685 | int nmap; |
686 | int error; | |
5a35bf2c DC |
687 | xfs_fileoff_t bno; |
688 | xfs_fileoff_t end_bno; | |
2bd0ea18 NS |
689 | xfs_bmbt_irec_t map; |
690 | ||
691 | smp = sumcompute; | |
692 | bno = 0; | |
693 | end_bno = mp->m_rsumsize >> mp->m_sb.sb_blocklog; | |
694 | ||
225e4bb2 | 695 | error = -libxfs_trans_alloc_rollable(mp, 10, &tp); |
48ea6cb9 | 696 | if (error) |
2bd0ea18 NS |
697 | res_failed(error); |
698 | ||
12b53197 | 699 | error = -libxfs_trans_iget(mp, tp, mp->m_sb.sb_rsumino, 0, 0, &ip); |
2bd0ea18 | 700 | if (error) { |
507f4e33 NS |
701 | do_error( |
702 | _("couldn't iget realtime summary inode -- error - %d\n"), | |
2bd0ea18 NS |
703 | error); |
704 | } | |
705 | ||
706 | while (bno < end_bno) { | |
707 | /* | |
708 | * fill the file one block at a time | |
709 | */ | |
710 | nmap = 1; | |
b39f9fcb | 711 | error = -libxfs_bmapi_write(tp, ip, bno, 1, 0, 1, &map, &nmap); |
2bd0ea18 NS |
712 | if (error || nmap != 1) { |
713 | do_error( | |
5d1b7f0f | 714 | _("couldn't map realtime summary inode block %" PRIu64 ", error = %d\n"), |
2bd0ea18 NS |
715 | bno, error); |
716 | } | |
717 | ||
718 | ASSERT(map.br_startblock != HOLESTARTBLOCK); | |
719 | ||
12b53197 | 720 | error = -libxfs_trans_read_buf( |
2bd0ea18 | 721 | mp, tp, mp->m_dev, |
dfc130f3 | 722 | XFS_FSB_TO_DADDR(mp, map.br_startblock), |
a2ceac1f | 723 | XFS_FSB_TO_BB(mp, 1), 1, &bp, NULL); |
2bd0ea18 NS |
724 | |
725 | if (error) { | |
726 | do_warn( | |
5d1b7f0f | 727 | _("can't access block %" PRIu64 " (fsbno %" PRIu64 ") of realtime summary inode %" PRIu64 "\n"), |
2bd0ea18 | 728 | bno, map.br_startblock, mp->m_sb.sb_rsumino); |
4491caa3 | 729 | IRELE(ip); |
2bd0ea18 NS |
730 | return(1); |
731 | } | |
732 | ||
04338619 | 733 | memmove(bp->b_addr, smp, mp->m_sb.sb_blocksize); |
2bd0ea18 NS |
734 | |
735 | libxfs_trans_log_buf(tp, bp, 0, mp->m_sb.sb_blocksize - 1); | |
736 | ||
ee6cd73e | 737 | smp = (xfs_suminfo_t *)((intptr_t)smp + mp->m_sb.sb_blocksize); |
2bd0ea18 NS |
738 | bno++; |
739 | } | |
740 | ||
de5a3f46 | 741 | libxfs_trans_commit(tp); |
4491caa3 | 742 | IRELE(ip); |
2bd0ea18 NS |
743 | return(0); |
744 | } | |
745 | ||
8b8a6b02 | 746 | static void |
2bd0ea18 NS |
747 | mk_rsumino(xfs_mount_t *mp) |
748 | { | |
749 | xfs_trans_t *tp; | |
750 | xfs_inode_t *ip; | |
751 | xfs_bmbt_irec_t *ep; | |
2bd0ea18 NS |
752 | int i; |
753 | int nmap; | |
2bd0ea18 NS |
754 | int error; |
755 | int nsumblocks; | |
f33cea1a | 756 | struct xfs_defer_ops dfops; |
5a35bf2c | 757 | xfs_fileoff_t bno; |
2bd0ea18 | 758 | xfs_bmbt_irec_t map[XFS_BMAP_MAX_NMAP]; |
41ce5f36 DC |
759 | int vers; |
760 | int times; | |
225e4bb2 | 761 | uint blocks; |
2bd0ea18 NS |
762 | |
763 | /* | |
764 | * first set up inode | |
765 | */ | |
9074815c | 766 | i = -libxfs_trans_alloc(mp, &M_RES(mp)->tr_ichange, 10, 0, 0, &tp); |
48ea6cb9 | 767 | if (i) |
2bd0ea18 NS |
768 | res_failed(i); |
769 | ||
12b53197 | 770 | error = -libxfs_trans_iget(mp, tp, mp->m_sb.sb_rsumino, 0, 0, &ip); |
2bd0ea18 | 771 | if (error) { |
507f4e33 NS |
772 | do_error( |
773 | _("couldn't iget realtime summary inode -- error - %d\n"), | |
2bd0ea18 NS |
774 | error); |
775 | } | |
776 | ||
643f6acc | 777 | vers = xfs_sb_version_hascrc(&mp->m_sb) ? 3 : 2; |
138659f1 | 778 | memset(&ip->i_d, 0, sizeof(ip->i_d)); |
2bd0ea18 | 779 | |
e37bf53c | 780 | VFS_I(ip)->i_mode = S_IFREG; |
41ce5f36 | 781 | ip->i_d.di_version = vers; |
2bd0ea18 NS |
782 | ip->i_d.di_format = XFS_DINODE_FMT_EXTENTS; |
783 | ip->i_d.di_aformat = XFS_DINODE_FMT_EXTENTS; | |
784 | ||
bcbe04c1 | 785 | set_nlink(VFS_I(ip), 1); /* account for sb ptr */ |
2bd0ea18 | 786 | |
41ce5f36 DC |
787 | times = XFS_ICHGTIME_CHG | XFS_ICHGTIME_MOD; |
788 | if (ip->i_d.di_version == 3) { | |
9abcc5cd | 789 | VFS_I(ip)->i_version = 1; |
41ce5f36 | 790 | ip->i_d.di_flags2 = 0; |
41ce5f36 DC |
791 | times |= XFS_ICHGTIME_CREATE; |
792 | } | |
793 | libxfs_trans_ichgtime(tp, ip, times); | |
794 | ||
2bd0ea18 NS |
795 | /* |
796 | * now the ifork | |
797 | */ | |
798 | ip->i_df.if_flags = XFS_IFEXTENTS; | |
799 | ip->i_df.if_bytes = ip->i_df.if_real_bytes = 0; | |
b37d753d | 800 | ip->i_df.if_u1.if_root = NULL; |
2bd0ea18 NS |
801 | |
802 | ip->i_d.di_size = mp->m_rsumsize; | |
803 | ||
804 | /* | |
805 | * commit changes | |
806 | */ | |
807 | libxfs_trans_log_inode(tp, ip, XFS_ILOG_CORE); | |
de5a3f46 | 808 | libxfs_trans_commit(tp); |
2bd0ea18 NS |
809 | |
810 | /* | |
811 | * then allocate blocks for file and fill with zeroes (stolen | |
812 | * from mkfs) | |
813 | */ | |
2bd0ea18 | 814 | nsumblocks = mp->m_rsumsize >> mp->m_sb.sb_blocklog; |
225e4bb2 DW |
815 | blocks = nsumblocks + XFS_BM_MAXLEVELS(mp, XFS_DATA_FORK) - 1; |
816 | error = -libxfs_trans_alloc_rollable(mp, blocks, &tp); | |
48ea6cb9 | 817 | if (error) |
2bd0ea18 NS |
818 | res_failed(error); |
819 | ||
820 | libxfs_trans_ijoin(tp, ip, 0); | |
821 | bno = 0; | |
2bd0ea18 NS |
822 | while (bno < nsumblocks) { |
823 | nmap = XFS_BMAP_MAX_NMAP; | |
12b53197 | 824 | error = -libxfs_bmapi_write(tp, ip, bno, |
2bd0ea18 | 825 | (xfs_extlen_t)(nsumblocks - bno), |
b39f9fcb | 826 | 0, nsumblocks, map, &nmap); |
2bd0ea18 NS |
827 | if (error) { |
828 | do_error( | |
507f4e33 | 829 | _("couldn't allocate realtime summary inode, error = %d\n"), |
2bd0ea18 NS |
830 | error); |
831 | } | |
832 | for (i = 0, ep = map; i < nmap; i++, ep++) { | |
75c8b434 | 833 | libxfs_device_zero(mp->m_ddev_targp, |
2bd0ea18 NS |
834 | XFS_FSB_TO_DADDR(mp, ep->br_startblock), |
835 | XFS_FSB_TO_BB(mp, ep->br_blockcount)); | |
2bd0ea18 NS |
836 | bno += ep->br_blockcount; |
837 | } | |
838 | } | |
5c33baee | 839 | libxfs_defer_ijoin(&dfops, ip); |
de5a3f46 | 840 | libxfs_trans_commit(tp); |
4491caa3 | 841 | IRELE(ip); |
2bd0ea18 NS |
842 | } |
843 | ||
844 | /* | |
845 | * makes a new root directory. | |
846 | */ | |
8b8a6b02 | 847 | static void |
2bd0ea18 NS |
848 | mk_root_dir(xfs_mount_t *mp) |
849 | { | |
850 | xfs_trans_t *tp; | |
851 | xfs_inode_t *ip; | |
852 | int i; | |
853 | int error; | |
854 | const mode_t mode = 0755; | |
69ec88b5 | 855 | ino_tree_node_t *irec; |
41ce5f36 DC |
856 | int vers; |
857 | int times; | |
2bd0ea18 | 858 | |
2bd0ea18 | 859 | ip = NULL; |
9074815c | 860 | i = -libxfs_trans_alloc(mp, &M_RES(mp)->tr_ichange, 10, 0, 0, &tp); |
48ea6cb9 | 861 | if (i) |
2bd0ea18 NS |
862 | res_failed(i); |
863 | ||
12b53197 | 864 | error = -libxfs_trans_iget(mp, tp, mp->m_sb.sb_rootino, 0, 0, &ip); |
2bd0ea18 | 865 | if (error) { |
507f4e33 | 866 | do_error(_("could not iget root inode -- error - %d\n"), error); |
2bd0ea18 NS |
867 | } |
868 | ||
869 | /* | |
870 | * take care of the core -- initialization from xfs_ialloc() | |
871 | */ | |
5f6f3660 | 872 | vers = xfs_sb_version_hascrc(&mp->m_sb) ? 3 : 2; |
138659f1 | 873 | memset(&ip->i_d, 0, sizeof(ip->i_d)); |
2bd0ea18 | 874 | |
e37bf53c | 875 | VFS_I(ip)->i_mode = mode|S_IFDIR; |
41ce5f36 | 876 | ip->i_d.di_version = vers; |
2bd0ea18 NS |
877 | ip->i_d.di_format = XFS_DINODE_FMT_EXTENTS; |
878 | ip->i_d.di_aformat = XFS_DINODE_FMT_EXTENTS; | |
879 | ||
bcbe04c1 | 880 | set_nlink(VFS_I(ip), 1); /* account for . */ |
2bd0ea18 | 881 | |
41ce5f36 DC |
882 | times = XFS_ICHGTIME_CHG | XFS_ICHGTIME_MOD; |
883 | if (ip->i_d.di_version == 3) { | |
9abcc5cd | 884 | VFS_I(ip)->i_version = 1; |
41ce5f36 | 885 | ip->i_d.di_flags2 = 0; |
41ce5f36 DC |
886 | times |= XFS_ICHGTIME_CREATE; |
887 | } | |
888 | libxfs_trans_ichgtime(tp, ip, times); | |
889 | ||
2bd0ea18 NS |
890 | libxfs_trans_log_inode(tp, ip, XFS_ILOG_CORE); |
891 | ||
892 | /* | |
893 | * now the ifork | |
894 | */ | |
895 | ip->i_df.if_flags = XFS_IFEXTENTS; | |
896 | ip->i_df.if_bytes = ip->i_df.if_real_bytes = 0; | |
b37d753d | 897 | ip->i_df.if_u1.if_root = NULL; |
2bd0ea18 | 898 | |
ff105f75 DC |
899 | |
900 | ||
2bd0ea18 NS |
901 | /* |
902 | * initialize the directory | |
903 | */ | |
ff105f75 | 904 | ip->d_ops = mp->m_dir_inode_ops; |
5e656dbb | 905 | libxfs_dir_init(tp, ip, ip); |
2bd0ea18 | 906 | |
de5a3f46 | 907 | libxfs_trans_commit(tp); |
4491caa3 | 908 | IRELE(ip); |
69ec88b5 | 909 | |
1ae311d5 | 910 | irec = find_inode_rec(mp, XFS_INO_TO_AGNO(mp, mp->m_sb.sb_rootino), |
69ec88b5 BN |
911 | XFS_INO_TO_AGINO(mp, mp->m_sb.sb_rootino)); |
912 | set_inode_isadir(irec, XFS_INO_TO_AGINO(mp, mp->m_sb.sb_rootino) - | |
913 | irec->ino_startnum); | |
2bd0ea18 NS |
914 | } |
915 | ||
916 | /* | |
917 | * orphanage name == lost+found | |
918 | */ | |
8b8a6b02 | 919 | static xfs_ino_t |
2bd0ea18 NS |
920 | mk_orphanage(xfs_mount_t *mp) |
921 | { | |
922 | xfs_ino_t ino; | |
923 | xfs_trans_t *tp; | |
924 | xfs_inode_t *ip; | |
925 | xfs_inode_t *pip; | |
198b747f CM |
926 | ino_tree_node_t *irec; |
927 | int ino_offset = 0; | |
2bd0ea18 | 928 | int i; |
2bd0ea18 | 929 | int error; |
f33cea1a | 930 | struct xfs_defer_ops dfops; |
2bd0ea18 | 931 | const int mode = 0755; |
2bd0ea18 | 932 | int nres; |
5e656dbb BN |
933 | struct xfs_name xname; |
934 | ||
6c39a3cb BN |
935 | /* |
936 | * check for an existing lost+found first, if it exists, return | |
ff1f79a7 | 937 | * its inode. Otherwise, we can create it. Bad lost+found inodes |
6c39a3cb BN |
938 | * would have been cleared in phase3 and phase4. |
939 | */ | |
940 | ||
12ac6e04 DW |
941 | i = -libxfs_iget(mp, NULL, mp->m_sb.sb_rootino, 0, &pip, |
942 | &xfs_default_ifork_ops); | |
943 | if (i) | |
6c39a3cb BN |
944 | do_error(_("%d - couldn't iget root inode to obtain %s\n"), |
945 | i, ORPHANAGE); | |
946 | ||
56b2de80 | 947 | xname.name = (unsigned char *)ORPHANAGE; |
5e656dbb | 948 | xname.len = strlen(ORPHANAGE); |
68774b90 ES |
949 | xname.type = XFS_DIR3_FT_DIR; |
950 | ||
5e656dbb | 951 | if (libxfs_dir_lookup(NULL, pip, &xname, &ino, NULL) == 0) |
6c39a3cb BN |
952 | return ino; |
953 | ||
954 | /* | |
955 | * could not be found, create it | |
956 | */ | |
5e656dbb | 957 | nres = XFS_MKDIR_SPACE_RES(mp, xname.len); |
9074815c | 958 | i = -libxfs_trans_alloc(mp, &M_RES(mp)->tr_mkdir, nres, 0, 0, &tp); |
48ea6cb9 | 959 | if (i) |
2bd0ea18 NS |
960 | res_failed(i); |
961 | ||
962 | /* | |
963 | * use iget/ijoin instead of trans_iget because the ialloc | |
964 | * wrapper can commit the transaction and start a new one | |
965 | */ | |
12ac6e04 DW |
966 | /* i = -libxfs_iget(mp, NULL, mp->m_sb.sb_rootino, 0, &pip, |
967 | &xfs_default_ifork_ops); | |
968 | if (i) | |
507f4e33 | 969 | do_error(_("%d - couldn't iget root inode to make %s\n"), |
6c39a3cb | 970 | i, ORPHANAGE);*/ |
2bd0ea18 | 971 | |
12b53197 | 972 | error = -libxfs_inode_alloc(&tp, pip, mode|S_IFDIR, |
9f064b7e | 973 | 1, 0, &zerocr, &zerofsx, &ip); |
2bd0ea18 | 974 | if (error) { |
507f4e33 | 975 | do_error(_("%s inode allocation failed %d\n"), |
2bd0ea18 NS |
976 | ORPHANAGE, error); |
977 | } | |
bcbe04c1 | 978 | inc_nlink(VFS_I(ip)); /* account for . */ |
198b747f CM |
979 | ino = ip->i_ino; |
980 | ||
981 | irec = find_inode_rec(mp, | |
982 | XFS_INO_TO_AGNO(mp, ino), | |
983 | XFS_INO_TO_AGINO(mp, ino)); | |
3ac87fbf MT |
984 | |
985 | if (irec == NULL) { | |
986 | /* | |
987 | * This inode is allocated from a newly created inode | |
988 | * chunk and therefore did not exist when inode chunks | |
989 | * were processed in phase3. Add this group of inodes to | |
990 | * the entry avl tree as if they were discovered in phase3. | |
991 | */ | |
992 | irec = set_inode_free_alloc(mp, XFS_INO_TO_AGNO(mp, ino), | |
993 | XFS_INO_TO_AGINO(mp, ino)); | |
994 | alloc_ex_data(irec); | |
995 | ||
996 | for (i = 0; i < XFS_INODES_PER_CHUNK; i++) | |
997 | set_inode_free(irec, i); | |
998 | } | |
999 | ||
198b747f CM |
1000 | ino_offset = get_inode_offset(mp, ino, irec); |
1001 | ||
1002 | /* | |
1003 | * Mark the inode allocated to lost+found as used in the AVL tree | |
1004 | * so it is not skipped in phase 7 | |
1005 | */ | |
1006 | set_inode_used(irec, ino_offset); | |
1007 | add_inode_ref(irec, ino_offset); | |
2bd0ea18 NS |
1008 | |
1009 | /* | |
1010 | * now that we know the transaction will stay around, | |
1011 | * add the root inode to it | |
1012 | */ | |
1013 | libxfs_trans_ijoin(tp, pip, 0); | |
1014 | ||
1015 | /* | |
1016 | * create the actual entry | |
1017 | */ | |
015bc82e | 1018 | error = -libxfs_dir_createname(tp, pip, &xname, ip->i_ino, nres); |
f8149110 | 1019 | if (error) |
6c39a3cb BN |
1020 | do_error( |
1021 | _("can't make %s, createname error %d\n"), | |
2bd0ea18 | 1022 | ORPHANAGE, error); |
2bd0ea18 | 1023 | |
dfc130f3 | 1024 | /* |
2bd0ea18 NS |
1025 | * bump up the link count in the root directory to account |
1026 | * for .. in the new directory | |
1027 | */ | |
bcbe04c1 | 1028 | inc_nlink(VFS_I(pip)); |
1ae311d5 LC |
1029 | add_inode_ref(find_inode_rec(mp, |
1030 | XFS_INO_TO_AGNO(mp, mp->m_sb.sb_rootino), | |
6c39a3cb BN |
1031 | XFS_INO_TO_AGINO(mp, mp->m_sb.sb_rootino)), 0); |
1032 | ||
2bd0ea18 | 1033 | |
198b747f | 1034 | |
2bd0ea18 | 1035 | libxfs_trans_log_inode(tp, pip, XFS_ILOG_CORE); |
5e656dbb | 1036 | libxfs_dir_init(tp, ip, pip); |
2bd0ea18 NS |
1037 | libxfs_trans_log_inode(tp, ip, XFS_ILOG_CORE); |
1038 | ||
5c33baee | 1039 | libxfs_defer_ijoin(&dfops, ip); |
de5a3f46 | 1040 | libxfs_trans_commit(tp); |
260c85e8 MT |
1041 | IRELE(ip); |
1042 | IRELE(pip); | |
198b747f | 1043 | add_inode_reached(irec,ino_offset); |
2bd0ea18 | 1044 | |
2bd0ea18 NS |
1045 | return(ino); |
1046 | } | |
1047 | ||
1048 | /* | |
6c39a3cb | 1049 | * move a file to the orphange. |
2bd0ea18 | 1050 | */ |
6c39a3cb BN |
1051 | static void |
1052 | mv_orphanage( | |
1053 | xfs_mount_t *mp, | |
1054 | xfs_ino_t ino, /* inode # to be moved */ | |
1055 | int isa_dir) /* 1 if inode is a directory */ | |
2bd0ea18 | 1056 | { |
2556c98b | 1057 | xfs_inode_t *orphanage_ip; |
6c39a3cb BN |
1058 | xfs_ino_t entry_ino_num; |
1059 | xfs_inode_t *ino_p; | |
1060 | xfs_trans_t *tp; | |
5cebfb23 | 1061 | struct xfs_defer_ops dfops; |
6c39a3cb | 1062 | int err; |
56b2de80 | 1063 | unsigned char fname[MAXPATHLEN + 1]; |
6c39a3cb BN |
1064 | int nres; |
1065 | int incr; | |
1066 | ino_tree_node_t *irec; | |
1067 | int ino_offset = 0; | |
5e656dbb BN |
1068 | struct xfs_name xname; |
1069 | ||
5e656dbb | 1070 | xname.name = fname; |
56b2de80 | 1071 | xname.len = snprintf((char *)fname, sizeof(fname), "%llu", |
5e656dbb | 1072 | (unsigned long long)ino); |
2bd0ea18 | 1073 | |
12ac6e04 DW |
1074 | err = -libxfs_iget(mp, NULL, orphanage_ino, 0, &orphanage_ip, |
1075 | &xfs_default_ifork_ops); | |
2556c98b BN |
1076 | if (err) |
1077 | do_error(_("%d - couldn't iget orphanage inode\n"), err); | |
6c39a3cb BN |
1078 | /* |
1079 | * Make sure the filename is unique in the lost+found | |
1080 | */ | |
1081 | incr = 0; | |
5e656dbb BN |
1082 | while (libxfs_dir_lookup(NULL, orphanage_ip, &xname, &entry_ino_num, |
1083 | NULL) == 0) | |
56b2de80 | 1084 | xname.len = snprintf((char *)fname, sizeof(fname), "%llu.%d", |
5e656dbb | 1085 | (unsigned long long)ino, ++incr); |
2bd0ea18 | 1086 | |
f8cd7da8 ES |
1087 | /* Orphans may not have a proper parent, so use custom ops here */ |
1088 | err = -libxfs_iget(mp, NULL, ino, 0, &ino_p, &phase6_ifork_ops); | |
12ac6e04 | 1089 | if (err) |
507f4e33 | 1090 | do_error(_("%d - couldn't iget disconnected inode\n"), err); |
2bd0ea18 | 1091 | |
532d03d5 | 1092 | xname.type = libxfs_mode_to_ftype(VFS_I(ino_p)->i_mode); |
937ef315 | 1093 | |
2bd0ea18 | 1094 | if (isa_dir) { |
1ae311d5 | 1095 | irec = find_inode_rec(mp, XFS_INO_TO_AGNO(mp, orphanage_ino), |
6c39a3cb BN |
1096 | XFS_INO_TO_AGINO(mp, orphanage_ino)); |
1097 | if (irec) | |
1098 | ino_offset = XFS_INO_TO_AGINO(mp, orphanage_ino) - | |
1099 | irec->ino_startnum; | |
1100 | nres = XFS_DIRENTER_SPACE_RES(mp, fnamelen) + | |
2bd0ea18 | 1101 | XFS_DIRENTER_SPACE_RES(mp, 2); |
e5c4ab5e | 1102 | err = -libxfs_dir_lookup(NULL, ino_p, &xfs_name_dotdot, |
5e656dbb | 1103 | &entry_ino_num, NULL); |
6c39a3cb | 1104 | if (err) { |
2bd0ea18 NS |
1105 | ASSERT(err == ENOENT); |
1106 | ||
9074815c CH |
1107 | err = -libxfs_trans_alloc(mp, &M_RES(mp)->tr_rename, |
1108 | nres, 0, 0, &tp); | |
48ea6cb9 | 1109 | if (err) |
2bd0ea18 | 1110 | do_error( |
507f4e33 | 1111 | _("space reservation failed (%d), filesystem may be out of space\n"), |
2bd0ea18 NS |
1112 | err); |
1113 | ||
6c39a3cb | 1114 | libxfs_trans_ijoin(tp, orphanage_ip, 0); |
2bd0ea18 NS |
1115 | libxfs_trans_ijoin(tp, ino_p, 0); |
1116 | ||
12b53197 | 1117 | err = -libxfs_dir_createname(tp, orphanage_ip, &xname, |
015bc82e | 1118 | ino, nres); |
5e656dbb | 1119 | if (err) |
2bd0ea18 | 1120 | do_error( |
507f4e33 | 1121 | _("name create failed in %s (%d), filesystem may be out of space\n"), |
2bd0ea18 NS |
1122 | ORPHANAGE, err); |
1123 | ||
6c39a3cb BN |
1124 | if (irec) |
1125 | add_inode_ref(irec, ino_offset); | |
1126 | else | |
bcbe04c1 | 1127 | inc_nlink(VFS_I(orphanage_ip)); |
6c39a3cb | 1128 | libxfs_trans_log_inode(tp, orphanage_ip, XFS_ILOG_CORE); |
2bd0ea18 | 1129 | |
12b53197 | 1130 | err = -libxfs_dir_createname(tp, ino_p, &xfs_name_dotdot, |
015bc82e | 1131 | orphanage_ino, nres); |
5e656dbb | 1132 | if (err) |
2bd0ea18 | 1133 | do_error( |
507f4e33 | 1134 | _("creation of .. entry failed (%d), filesystem may be out of space\n"), |
2bd0ea18 NS |
1135 | err); |
1136 | ||
bcbe04c1 | 1137 | inc_nlink(VFS_I(ino_p)); |
2bd0ea18 NS |
1138 | libxfs_trans_log_inode(tp, ino_p, XFS_ILOG_CORE); |
1139 | ||
5c33baee | 1140 | libxfs_defer_ijoin(&dfops, ino_p); |
de5a3f46 | 1141 | libxfs_trans_commit(tp); |
2bd0ea18 | 1142 | } else { |
9074815c CH |
1143 | err = -libxfs_trans_alloc(mp, &M_RES(mp)->tr_rename, |
1144 | nres, 0, 0, &tp); | |
48ea6cb9 | 1145 | if (err) |
2bd0ea18 | 1146 | do_error( |
507f4e33 | 1147 | _("space reservation failed (%d), filesystem may be out of space\n"), |
2bd0ea18 NS |
1148 | err); |
1149 | ||
6c39a3cb | 1150 | libxfs_trans_ijoin(tp, orphanage_ip, 0); |
2bd0ea18 NS |
1151 | libxfs_trans_ijoin(tp, ino_p, 0); |
1152 | ||
2bd0ea18 | 1153 | |
12b53197 | 1154 | err = -libxfs_dir_createname(tp, orphanage_ip, &xname, |
015bc82e | 1155 | ino, nres); |
5e656dbb | 1156 | if (err) |
2bd0ea18 | 1157 | do_error( |
507f4e33 | 1158 | _("name create failed in %s (%d), filesystem may be out of space\n"), |
2bd0ea18 NS |
1159 | ORPHANAGE, err); |
1160 | ||
6c39a3cb BN |
1161 | if (irec) |
1162 | add_inode_ref(irec, ino_offset); | |
1163 | else | |
bcbe04c1 | 1164 | inc_nlink(VFS_I(orphanage_ip)); |
6c39a3cb | 1165 | libxfs_trans_log_inode(tp, orphanage_ip, XFS_ILOG_CORE); |
2bd0ea18 NS |
1166 | |
1167 | /* | |
1168 | * don't replace .. value if it already points | |
1169 | * to us. that'll pop a libxfs/kernel ASSERT. | |
1170 | */ | |
6c39a3cb | 1171 | if (entry_ino_num != orphanage_ino) { |
12b53197 | 1172 | err = -libxfs_dir_replace(tp, ino_p, |
5e656dbb | 1173 | &xfs_name_dotdot, orphanage_ino, |
015bc82e | 1174 | nres); |
5e656dbb | 1175 | if (err) |
2bd0ea18 | 1176 | do_error( |
507f4e33 | 1177 | _("name replace op failed (%d), filesystem may be out of space\n"), |
2bd0ea18 NS |
1178 | err); |
1179 | } | |
1180 | ||
5c33baee | 1181 | libxfs_defer_ijoin(&dfops, ino_p); |
de5a3f46 | 1182 | libxfs_trans_commit(tp); |
2bd0ea18 | 1183 | } |
6c39a3cb | 1184 | |
2bd0ea18 NS |
1185 | } else { |
1186 | /* | |
1187 | * use the remove log reservation as that's | |
1188 | * more accurate. we're only creating the | |
1189 | * links, we're not doing the inode allocation | |
1190 | * also accounted for in the create | |
1191 | */ | |
5e656dbb | 1192 | nres = XFS_DIRENTER_SPACE_RES(mp, xname.len); |
9074815c CH |
1193 | err = -libxfs_trans_alloc(mp, &M_RES(mp)->tr_remove, |
1194 | nres, 0, 0, &tp); | |
5e656dbb | 1195 | if (err) |
2bd0ea18 | 1196 | do_error( |
507f4e33 | 1197 | _("space reservation failed (%d), filesystem may be out of space\n"), |
2bd0ea18 NS |
1198 | err); |
1199 | ||
6c39a3cb | 1200 | libxfs_trans_ijoin(tp, orphanage_ip, 0); |
2bd0ea18 NS |
1201 | libxfs_trans_ijoin(tp, ino_p, 0); |
1202 | ||
12b53197 | 1203 | err = -libxfs_dir_createname(tp, orphanage_ip, &xname, ino, |
015bc82e | 1204 | nres); |
5e656dbb | 1205 | if (err) |
2bd0ea18 | 1206 | do_error( |
507f4e33 | 1207 | _("name create failed in %s (%d), filesystem may be out of space\n"), |
2bd0ea18 NS |
1208 | ORPHANAGE, err); |
1209 | ASSERT(err == 0); | |
1210 | ||
bcbe04c1 | 1211 | set_nlink(VFS_I(ino_p), 1); |
2bd0ea18 NS |
1212 | libxfs_trans_log_inode(tp, ino_p, XFS_ILOG_CORE); |
1213 | ||
5c33baee | 1214 | libxfs_defer_ijoin(&dfops, ino_p); |
de5a3f46 | 1215 | libxfs_trans_commit(tp); |
2bd0ea18 | 1216 | } |
260c85e8 MT |
1217 | IRELE(ino_p); |
1218 | IRELE(orphanage_ip); | |
2bd0ea18 NS |
1219 | } |
1220 | ||
6c39a3cb BN |
1221 | static int |
1222 | entry_junked( | |
1223 | const char *msg, | |
1224 | const char *iname, | |
1225 | xfs_ino_t ino1, | |
1226 | xfs_ino_t ino2) | |
1227 | { | |
1228 | do_warn(msg, iname, ino1, ino2); | |
1229 | if (!no_modify) { | |
1230 | if (verbose) | |
1231 | do_warn(_(", marking entry to be junked\n")); | |
9a048535 DC |
1232 | else |
1233 | do_warn("\n"); | |
1234 | } else | |
1235 | do_warn(_(", would junk entry\n")); | |
1236 | return !no_modify; | |
2bd0ea18 NS |
1237 | } |
1238 | ||
f9c559f4 DW |
1239 | /* Find and invalidate all the directory's buffers. */ |
1240 | static int | |
1241 | dir_binval( | |
1242 | struct xfs_trans *tp, | |
1243 | struct xfs_inode *ip, | |
1244 | int whichfork) | |
1245 | { | |
1246 | struct xfs_iext_cursor icur; | |
1247 | struct xfs_bmbt_irec rec; | |
1248 | struct xfs_ifork *ifp; | |
1249 | struct xfs_da_geometry *geo; | |
1250 | struct xfs_buf *bp; | |
1251 | xfs_dablk_t dabno, end_dabno; | |
1252 | int error = 0; | |
1253 | ||
1254 | if (ip->i_d.di_format != XFS_DINODE_FMT_EXTENTS && | |
1255 | ip->i_d.di_format != XFS_DINODE_FMT_BTREE) | |
1256 | return 0; | |
1257 | ||
1258 | geo = tp->t_mountp->m_dir_geo; | |
1259 | ifp = XFS_IFORK_PTR(ip, XFS_DATA_FORK); | |
1260 | for_each_xfs_iext(ifp, &icur, &rec) { | |
1261 | dabno = xfs_dir2_db_to_da(geo, rec.br_startoff + | |
1262 | geo->fsbcount - 1); | |
1263 | end_dabno = xfs_dir2_db_to_da(geo, rec.br_startoff + | |
1264 | rec.br_blockcount); | |
1265 | for (; dabno <= end_dabno; dabno += geo->fsbcount) { | |
1266 | bp = NULL; | |
1267 | error = -libxfs_da_get_buf(tp, ip, dabno, -2, &bp, | |
1268 | whichfork); | |
1269 | if (error) | |
1270 | return error; | |
1271 | if (!bp) | |
1272 | continue; | |
1273 | libxfs_trans_binval(tp, bp); | |
1274 | libxfs_trans_brelse(tp, bp); | |
1275 | } | |
1276 | } | |
1277 | ||
1278 | return error; | |
1279 | } | |
1280 | ||
33165ec3 BN |
1281 | /* |
1282 | * Unexpected failure during the rebuild will leave the entries in | |
1283 | * lost+found on the next run | |
1284 | */ | |
1285 | ||
0f012a4c | 1286 | static void |
33165ec3 | 1287 | longform_dir2_rebuild( |
6fa00c33 BN |
1288 | xfs_mount_t *mp, |
1289 | xfs_ino_t ino, | |
1290 | xfs_inode_t *ip, | |
1291 | ino_tree_node_t *irec, | |
1292 | int ino_offset, | |
1293 | dir_hash_tab_t *hashtab) | |
33165ec3 BN |
1294 | { |
1295 | int error; | |
1296 | int nres; | |
1297 | xfs_trans_t *tp; | |
1298 | xfs_fileoff_t lastblock; | |
f33cea1a | 1299 | struct xfs_defer_ops dfops; |
2556c98b | 1300 | xfs_inode_t pip; |
33165ec3 | 1301 | dir_hash_ent_t *p; |
33165ec3 | 1302 | int done; |
0f012a4c BN |
1303 | |
1304 | /* | |
33165ec3 BN |
1305 | * trash directory completely and rebuild from scratch using the |
1306 | * name/inode pairs in the hash table | |
1307 | */ | |
0f012a4c | 1308 | |
5d1b7f0f | 1309 | do_warn(_("rebuilding directory inode %" PRIu64 "\n"), ino); |
0f012a4c BN |
1310 | |
1311 | /* | |
6fa00c33 BN |
1312 | * first attempt to locate the parent inode, if it can't be |
1313 | * found, set it to the root inode and it'll be moved to the | |
1314 | * orphanage later (the inode number here needs to be valid | |
5e656dbb | 1315 | * for the libxfs_dir_init() call). |
33165ec3 | 1316 | */ |
6fa00c33 | 1317 | pip.i_ino = get_inode_parent(irec, ino_offset); |
01914f06 | 1318 | if (pip.i_ino == NULLFSINO || |
e2f60652 | 1319 | libxfs_dir_ino_validate(mp, pip.i_ino)) |
6fa00c33 | 1320 | pip.i_ino = mp->m_sb.sb_rootino; |
33165ec3 | 1321 | |
33165ec3 | 1322 | nres = XFS_REMOVE_SPACE_RES(mp); |
9074815c | 1323 | error = -libxfs_trans_alloc(mp, &M_RES(mp)->tr_remove, nres, 0, 0, &tp); |
33165ec3 BN |
1324 | if (error) |
1325 | res_failed(error); | |
1326 | libxfs_trans_ijoin(tp, ip, 0); | |
0f012a4c | 1327 | |
f9c559f4 DW |
1328 | error = dir_binval(tp, ip, XFS_DATA_FORK); |
1329 | if (error) | |
1330 | res_failed(error); | |
1331 | ||
12b53197 | 1332 | if ((error = -libxfs_bmap_last_offset(ip, &lastblock, XFS_DATA_FORK))) |
0f012a4c | 1333 | do_error(_("xfs_bmap_last_offset failed -- error - %d\n"), |
33165ec3 | 1334 | error); |
0f012a4c | 1335 | |
33165ec3 | 1336 | /* free all data, leaf, node and freespace blocks */ |
12b53197 | 1337 | error = -libxfs_bunmapi(tp, ip, 0, lastblock, XFS_BMAPI_METADATA, 0, |
d3c5f3dd | 1338 | &done); |
5e656dbb | 1339 | if (error) { |
33165ec3 | 1340 | do_warn(_("xfs_bunmapi failed -- error - %d\n"), error); |
14e36e34 | 1341 | goto out_bmap_cancel; |
33165ec3 | 1342 | } |
0f012a4c | 1343 | |
33165ec3 BN |
1344 | ASSERT(done); |
1345 | ||
e2f60652 | 1346 | error = -libxfs_dir_init(tp, ip, &pip); |
01914f06 DW |
1347 | if (error) { |
1348 | do_warn(_("xfs_dir_init failed -- error - %d\n"), error); | |
1349 | goto out_bmap_cancel; | |
1350 | } | |
0f012a4c | 1351 | |
5c33baee | 1352 | libxfs_defer_ijoin(&dfops, ip); |
de5a3f46 | 1353 | libxfs_trans_commit(tp); |
0f012a4c | 1354 | |
1f60de28 ES |
1355 | if (ino == mp->m_sb.sb_rootino) |
1356 | need_root_dotdot = 0; | |
1357 | ||
33165ec3 BN |
1358 | /* go through the hash list and re-add the inodes */ |
1359 | ||
1360 | for (p = hashtab->first; p; p = p->nextbyorder) { | |
0f012a4c | 1361 | |
5e656dbb BN |
1362 | if (p->name.name[0] == '/' || (p->name.name[0] == '.' && |
1363 | (p->name.len == 1 || (p->name.len == 2 && | |
1364 | p->name.name[1] == '.')))) | |
33165ec3 | 1365 | continue; |
0f012a4c | 1366 | |
5e656dbb | 1367 | nres = XFS_CREATE_SPACE_RES(mp, p->name.len); |
9074815c CH |
1368 | error = -libxfs_trans_alloc(mp, &M_RES(mp)->tr_create, |
1369 | nres, 0, 0, &tp); | |
14e36e34 LZ |
1370 | if (error) |
1371 | res_failed(error); | |
33165ec3 BN |
1372 | |
1373 | libxfs_trans_ijoin(tp, ip, 0); | |
33165ec3 | 1374 | |
12b53197 | 1375 | error = -libxfs_dir_createname(tp, ip, &p->name, p->inum, |
015bc82e | 1376 | nres); |
5e656dbb | 1377 | if (error) { |
33165ec3 | 1378 | do_warn( |
5d1b7f0f | 1379 | _("name create failed in ino %" PRIu64 " (%d), filesystem may be out of space\n"), |
33165ec3 | 1380 | ino, error); |
14e36e34 | 1381 | goto out_bmap_cancel; |
33165ec3 BN |
1382 | } |
1383 | ||
5c33baee | 1384 | libxfs_defer_ijoin(&dfops, ip); |
de5a3f46 | 1385 | libxfs_trans_commit(tp); |
33165ec3 | 1386 | } |
14e36e34 LZ |
1387 | |
1388 | return; | |
1389 | ||
1390 | out_bmap_cancel: | |
3d7434fe | 1391 | libxfs_trans_cancel(tp); |
14e36e34 | 1392 | return; |
33165ec3 BN |
1393 | } |
1394 | ||
1395 | ||
2bd0ea18 NS |
1396 | /* |
1397 | * Kill a block in a version 2 inode. | |
1398 | * Makes its own transaction. | |
1399 | */ | |
1400 | static void | |
1401 | dir2_kill_block( | |
1402 | xfs_mount_t *mp, | |
1403 | xfs_inode_t *ip, | |
1404 | xfs_dablk_t da_bno, | |
a2ceac1f | 1405 | struct xfs_buf *bp) |
2bd0ea18 NS |
1406 | { |
1407 | xfs_da_args_t args; | |
2bd0ea18 | 1408 | int error; |
f33cea1a | 1409 | struct xfs_defer_ops dfops; |
2bd0ea18 NS |
1410 | int nres; |
1411 | xfs_trans_t *tp; | |
1412 | ||
2bd0ea18 | 1413 | nres = XFS_REMOVE_SPACE_RES(mp); |
9074815c | 1414 | error = -libxfs_trans_alloc(mp, &M_RES(mp)->tr_remove, nres, 0, 0, &tp); |
2bd0ea18 NS |
1415 | if (error) |
1416 | res_failed(error); | |
1417 | libxfs_trans_ijoin(tp, ip, 0); | |
a2ceac1f | 1418 | libxfs_trans_bjoin(tp, bp); |
dab9b8d6 | 1419 | memset(&args, 0, sizeof(args)); |
2bd0ea18 NS |
1420 | args.dp = ip; |
1421 | args.trans = tp; | |
2bd0ea18 | 1422 | args.whichfork = XFS_DATA_FORK; |
fe0591e7 | 1423 | args.geo = mp->m_dir_geo; |
ff105f75 | 1424 | if (da_bno >= mp->m_dir_geo->leafblk && da_bno < mp->m_dir_geo->freeblk) |
12b53197 | 1425 | error = -libxfs_da_shrink_inode(&args, da_bno, bp); |
2bd0ea18 | 1426 | else |
12b53197 | 1427 | error = -libxfs_dir2_shrink_inode(&args, |
ff105f75 | 1428 | xfs_dir2_da_to_db(mp->m_dir_geo, da_bno), bp); |
2bd0ea18 | 1429 | if (error) |
5d1b7f0f | 1430 | do_error(_("shrink_inode failed inode %" PRIu64 " block %u\n"), |
2bd0ea18 | 1431 | ip->i_ino, da_bno); |
5c33baee | 1432 | libxfs_defer_ijoin(&dfops, ip); |
de5a3f46 | 1433 | libxfs_trans_commit(tp); |
2bd0ea18 NS |
1434 | } |
1435 | ||
1436 | /* | |
1437 | * process a data block, also checks for .. entry | |
1438 | * and corrects it to match what we think .. should be | |
1439 | */ | |
1440 | static void | |
1441 | longform_dir2_entry_check_data( | |
1442 | xfs_mount_t *mp, | |
1443 | xfs_inode_t *ip, | |
1444 | int *num_illegal, | |
1445 | int *need_dot, | |
2bd0ea18 NS |
1446 | ino_tree_node_t *current_irec, |
1447 | int current_ino_offset, | |
a2ceac1f | 1448 | struct xfs_buf **bpp, |
2bd0ea18 NS |
1449 | dir_hash_tab_t *hashtab, |
1450 | freetab_t **freetabp, | |
1451 | xfs_dablk_t da_bno, | |
1452 | int isblock) | |
1453 | { | |
1454 | xfs_dir2_dataptr_t addr; | |
1455 | xfs_dir2_leaf_entry_t *blp; | |
a2ceac1f | 1456 | struct xfs_buf *bp; |
2bd0ea18 | 1457 | xfs_dir2_block_tail_t *btp; |
a354abc8 | 1458 | struct xfs_dir2_data_hdr *d; |
2bd0ea18 NS |
1459 | xfs_dir2_db_t db; |
1460 | xfs_dir2_data_entry_t *dep; | |
1461 | xfs_dir2_data_unused_t *dup; | |
d2006f04 | 1462 | struct xfs_dir2_data_free *bf; |
2bd0ea18 NS |
1463 | char *endptr; |
1464 | int error; | |
f33cea1a | 1465 | struct xfs_defer_ops dfops; |
2bd0ea18 NS |
1466 | char fname[MAXNAMELEN + 1]; |
1467 | freetab_t *freetab; | |
1468 | int i; | |
1469 | int ino_offset; | |
33165ec3 | 1470 | xfs_ino_t inum; |
2bd0ea18 NS |
1471 | ino_tree_node_t *irec; |
1472 | int junkit; | |
1473 | int lastfree; | |
1474 | int len; | |
1475 | int nbad; | |
1476 | int needlog; | |
1477 | int needscan; | |
1478 | xfs_ino_t parent; | |
1479 | char *ptr; | |
1480 | xfs_trans_t *tp; | |
1481 | int wantmagic; | |
ff105f75 DC |
1482 | struct xfs_da_args da = { |
1483 | .dp = ip, | |
a5459506 | 1484 | .geo = mp->m_dir_geo, |
ff105f75 DC |
1485 | }; |
1486 | ||
2bd0ea18 NS |
1487 | |
1488 | bp = *bpp; | |
a2ceac1f | 1489 | d = bp->b_addr; |
ff105f75 | 1490 | ptr = (char *)M_DIROPS(mp)->data_entry_p(d); |
2bd0ea18 NS |
1491 | nbad = 0; |
1492 | needscan = needlog = 0; | |
9d7d6241 | 1493 | junkit = 0; |
2bd0ea18 NS |
1494 | freetab = *freetabp; |
1495 | if (isblock) { | |
ff105f75 | 1496 | btp = xfs_dir2_block_tail_p(mp->m_dir_geo, d); |
5e656dbb | 1497 | blp = xfs_dir2_block_leaf_p(btp); |
2bd0ea18 NS |
1498 | endptr = (char *)blp; |
1499 | if (endptr > (char *)btp) | |
1500 | endptr = (char *)btp; | |
658ac3e3 DC |
1501 | if (xfs_sb_version_hascrc(&mp->m_sb)) |
1502 | wantmagic = XFS_DIR3_BLOCK_MAGIC; | |
1503 | else | |
1504 | wantmagic = XFS_DIR2_BLOCK_MAGIC; | |
2bd0ea18 | 1505 | } else { |
ff105f75 | 1506 | endptr = (char *)d + mp->m_dir_geo->blksize; |
658ac3e3 DC |
1507 | if (xfs_sb_version_hascrc(&mp->m_sb)) |
1508 | wantmagic = XFS_DIR3_DATA_MAGIC; | |
1509 | else | |
1510 | wantmagic = XFS_DIR2_DATA_MAGIC; | |
2bd0ea18 | 1511 | } |
ff105f75 | 1512 | db = xfs_dir2_da_to_db(mp->m_dir_geo, da_bno); |
9d7d6241 NS |
1513 | |
1514 | /* check for data block beyond expected end */ | |
2bd0ea18 NS |
1515 | if (freetab->naents <= db) { |
1516 | struct freetab_ent e; | |
1517 | ||
1518 | *freetabp = freetab = realloc(freetab, FREETAB_SIZE(db + 1)); | |
1519 | if (!freetab) { | |
15e3986b DC |
1520 | do_error(_("realloc failed in %s (%zu bytes)\n"), |
1521 | __func__, FREETAB_SIZE(db + 1)); | |
2bd0ea18 NS |
1522 | } |
1523 | e.v = NULLDATAOFF; | |
1524 | e.s = 0; | |
1525 | for (i = freetab->naents; i < db; i++) | |
1526 | freetab->ents[i] = e; | |
1527 | freetab->naents = db + 1; | |
1528 | } | |
9d7d6241 NS |
1529 | |
1530 | /* check the data block */ | |
2bd0ea18 | 1531 | while (ptr < endptr) { |
9d7d6241 NS |
1532 | |
1533 | /* check for freespace */ | |
2bd0ea18 | 1534 | dup = (xfs_dir2_data_unused_t *)ptr; |
5e656dbb | 1535 | if (XFS_DIR2_DATA_FREE_TAG == be16_to_cpu(dup->freetag)) { |
9d7d6241 NS |
1536 | |
1537 | /* check for invalid freespace length */ | |
5e656dbb BN |
1538 | if (ptr + be16_to_cpu(dup->length) > endptr || |
1539 | be16_to_cpu(dup->length) == 0 || | |
1540 | (be16_to_cpu(dup->length) & | |
1541 | (XFS_DIR2_DATA_ALIGN - 1))) | |
2bd0ea18 | 1542 | break; |
9d7d6241 NS |
1543 | |
1544 | /* check for invalid tag */ | |
5e656dbb BN |
1545 | if (be16_to_cpu(*xfs_dir2_data_unused_tag_p(dup)) != |
1546 | (char *)dup - (char *)d) | |
2bd0ea18 | 1547 | break; |
9d7d6241 NS |
1548 | |
1549 | /* check for block with no data entries */ | |
ff105f75 | 1550 | if ((ptr == (char *)M_DIROPS(mp)->data_entry_p(d)) && |
658ac3e3 | 1551 | (ptr + be16_to_cpu(dup->length) >= endptr)) { |
9d7d6241 NS |
1552 | junkit = 1; |
1553 | *num_illegal += 1; | |
1554 | break; | |
1555 | } | |
1556 | ||
1557 | /* continue at the end of the freespace */ | |
5e656dbb | 1558 | ptr += be16_to_cpu(dup->length); |
2bd0ea18 NS |
1559 | if (ptr >= endptr) |
1560 | break; | |
1561 | } | |
9d7d6241 NS |
1562 | |
1563 | /* validate data entry size */ | |
2bd0ea18 | 1564 | dep = (xfs_dir2_data_entry_t *)ptr; |
ff105f75 | 1565 | if (ptr + M_DIROPS(mp)->data_entsize(dep->namelen) > endptr) |
2bd0ea18 | 1566 | break; |
ff105f75 | 1567 | if (be16_to_cpu(*M_DIROPS(mp)->data_entry_tag_p(dep)) != |
5e656dbb | 1568 | (char *)dep - (char *)d) |
2bd0ea18 | 1569 | break; |
ff105f75 | 1570 | ptr += M_DIROPS(mp)->data_entsize(dep->namelen); |
2bd0ea18 | 1571 | } |
9d7d6241 NS |
1572 | |
1573 | /* did we find an empty or corrupt block? */ | |
2bd0ea18 | 1574 | if (ptr != endptr) { |
9d7d6241 | 1575 | if (junkit) { |
507f4e33 | 1576 | do_warn( |
5d1b7f0f | 1577 | _("empty data block %u in directory inode %" PRIu64 ": "), |
9d7d6241 NS |
1578 | da_bno, ip->i_ino); |
1579 | } else { | |
5d1b7f0f CH |
1580 | do_warn(_ |
1581 | ("corrupt block %u in directory inode %" PRIu64 ": "), | |
9d7d6241 NS |
1582 | da_bno, ip->i_ino); |
1583 | } | |
2bd0ea18 | 1584 | if (!no_modify) { |
507f4e33 | 1585 | do_warn(_("junking block\n")); |
2bd0ea18 NS |
1586 | dir2_kill_block(mp, ip, da_bno, bp); |
1587 | } else { | |
507f4e33 | 1588 | do_warn(_("would junk block\n")); |
a2ceac1f | 1589 | libxfs_putbuf(bp); |
2bd0ea18 NS |
1590 | } |
1591 | freetab->ents[db].v = NULLDATAOFF; | |
1592 | *bpp = NULL; | |
1593 | return; | |
1594 | } | |
9d7d6241 NS |
1595 | |
1596 | /* update number of data blocks processed */ | |
1597 | if (freetab->nents < db + 1) | |
1598 | freetab->nents = db + 1; | |
1599 | ||
9074815c | 1600 | error = -libxfs_trans_alloc(mp, &M_RES(mp)->tr_remove, 0, 0, 0, &tp); |
2bd0ea18 NS |
1601 | if (error) |
1602 | res_failed(error); | |
ff105f75 | 1603 | da.trans = tp; |
2bd0ea18 | 1604 | libxfs_trans_ijoin(tp, ip, 0); |
a2ceac1f DC |
1605 | libxfs_trans_bjoin(tp, bp); |
1606 | libxfs_trans_bhold(tp, bp); | |
a354abc8 | 1607 | if (be32_to_cpu(d->magic) != wantmagic) { |
5d1b7f0f CH |
1608 | do_warn( |
1609 | _("bad directory block magic # %#x for directory inode %" PRIu64 " block %d: "), | |
a354abc8 | 1610 | be32_to_cpu(d->magic), ip->i_ino, da_bno); |
2bd0ea18 | 1611 | if (!no_modify) { |
507f4e33 | 1612 | do_warn(_("fixing magic # to %#x\n"), wantmagic); |
a354abc8 | 1613 | d->magic = cpu_to_be32(wantmagic); |
2bd0ea18 NS |
1614 | needlog = 1; |
1615 | } else | |
507f4e33 | 1616 | do_warn(_("would fix magic # to %#x\n"), wantmagic); |
2bd0ea18 NS |
1617 | } |
1618 | lastfree = 0; | |
ff105f75 | 1619 | ptr = (char *)M_DIROPS(mp)->data_entry_p(d); |
2bd0ea18 NS |
1620 | /* |
1621 | * look at each entry. reference inode pointed to by each | |
1622 | * entry in the incore inode tree. | |
1623 | * if not a directory, set reached flag, increment link count | |
1624 | * if a directory and reached, mark entry as to be deleted. | |
1625 | * if a directory, check to see if recorded parent | |
1626 | * matches current inode #, | |
1627 | * if so, then set reached flag, increment link count | |
1628 | * of current and child dir inodes, push the child | |
1629 | * directory inode onto the directory stack. | |
1630 | * if current inode != parent, then mark entry to be deleted. | |
1631 | */ | |
1632 | while (ptr < endptr) { | |
1633 | dup = (xfs_dir2_data_unused_t *)ptr; | |
5e656dbb | 1634 | if (be16_to_cpu(dup->freetag) == XFS_DIR2_DATA_FREE_TAG) { |
2bd0ea18 | 1635 | if (lastfree) { |
5d1b7f0f CH |
1636 | do_warn( |
1637 | _("directory inode %" PRIu64 " block %u has consecutive free entries: "), | |
2bd0ea18 NS |
1638 | ip->i_ino, da_bno); |
1639 | if (!no_modify) { | |
ff105f75 | 1640 | |
507f4e33 | 1641 | do_warn(_("joining together\n")); |
5e656dbb | 1642 | len = be16_to_cpu(dup->length); |
ff105f75 | 1643 | libxfs_dir2_data_use_free(&da, bp, dup, |
2bd0ea18 NS |
1644 | ptr - (char *)d, len, &needlog, |
1645 | &needscan); | |
ff105f75 | 1646 | libxfs_dir2_data_make_free(&da, bp, |
2bd0ea18 NS |
1647 | ptr - (char *)d, len, &needlog, |
1648 | &needscan); | |
1649 | } else | |
507f4e33 | 1650 | do_warn(_("would join together\n")); |
2bd0ea18 | 1651 | } |
5e656dbb | 1652 | ptr += be16_to_cpu(dup->length); |
2bd0ea18 NS |
1653 | lastfree = 1; |
1654 | continue; | |
1655 | } | |
ff105f75 DC |
1656 | addr = xfs_dir2_db_off_to_dataptr(mp->m_dir_geo, db, |
1657 | ptr - (char *)d); | |
2bd0ea18 | 1658 | dep = (xfs_dir2_data_entry_t *)ptr; |
ff105f75 | 1659 | ptr += M_DIROPS(mp)->data_entsize(dep->namelen); |
5e656dbb | 1660 | inum = be64_to_cpu(dep->inumber); |
2bd0ea18 | 1661 | lastfree = 0; |
2bd0ea18 NS |
1662 | /* |
1663 | * skip bogus entries (leading '/'). they'll be deleted | |
c7f277c9 NS |
1664 | * later. must still log it, else we leak references to |
1665 | * buffers. | |
2bd0ea18 NS |
1666 | */ |
1667 | if (dep->name[0] == '/') { | |
1668 | nbad++; | |
c7f277c9 | 1669 | if (!no_modify) |
ff105f75 | 1670 | libxfs_dir2_data_log_entry(&da, bp, dep); |
2bd0ea18 NS |
1671 | continue; |
1672 | } | |
2556c98b | 1673 | |
dab9b8d6 | 1674 | memmove(fname, dep->name, dep->namelen); |
2bd0ea18 | 1675 | fname[dep->namelen] = '\0'; |
33165ec3 | 1676 | ASSERT(inum != NULLFSINO); |
6c39a3cb | 1677 | |
1ae311d5 | 1678 | irec = find_inode_rec(mp, XFS_INO_TO_AGNO(mp, inum), |
6c39a3cb BN |
1679 | XFS_INO_TO_AGINO(mp, inum)); |
1680 | if (irec == NULL) { | |
1681 | nbad++; | |
5d1b7f0f CH |
1682 | if (entry_junked( |
1683 | _("entry \"%s\" in directory inode %" PRIu64 " points to non-existent inode %" PRIu64 ""), | |
6c39a3cb BN |
1684 | fname, ip->i_ino, inum)) { |
1685 | dep->name[0] = '/'; | |
ff105f75 | 1686 | libxfs_dir2_data_log_entry(&da, bp, dep); |
6c39a3cb BN |
1687 | } |
1688 | continue; | |
1689 | } | |
1690 | ino_offset = XFS_INO_TO_AGINO(mp, inum) - irec->ino_startnum; | |
1691 | ||
1692 | /* | |
1693 | * if it's a free inode, blow out the entry. | |
1694 | * by now, any inode that we think is free | |
1695 | * really is free. | |
1696 | */ | |
1697 | if (is_inode_free(irec, ino_offset)) { | |
1698 | nbad++; | |
5d1b7f0f | 1699 | if (entry_junked( |
b52923f3 | 1700 | _("entry \"%s\" in directory inode %" PRIu64 " points to free inode %" PRIu64), |
6c39a3cb BN |
1701 | fname, ip->i_ino, inum)) { |
1702 | dep->name[0] = '/'; | |
ff105f75 | 1703 | libxfs_dir2_data_log_entry(&da, bp, dep); |
6c39a3cb BN |
1704 | } |
1705 | continue; | |
1706 | } | |
1707 | ||
1708 | /* | |
1709 | * check if this inode is lost+found dir in the root | |
1710 | */ | |
1711 | if (inum == mp->m_sb.sb_rootino && strcmp(fname, ORPHANAGE) == 0) { | |
1712 | /* | |
1713 | * if it's not a directory, trash it | |
1714 | */ | |
1715 | if (!inode_isadir(irec, ino_offset)) { | |
1716 | nbad++; | |
5d1b7f0f CH |
1717 | if (entry_junked( |
1718 | _("%s (ino %" PRIu64 ") in root (%" PRIu64 ") is not a directory"), | |
6c39a3cb BN |
1719 | ORPHANAGE, inum, ip->i_ino)) { |
1720 | dep->name[0] = '/'; | |
ff105f75 | 1721 | libxfs_dir2_data_log_entry(&da, bp, dep); |
6c39a3cb BN |
1722 | } |
1723 | continue; | |
1724 | } | |
1725 | /* | |
1726 | * if this is a dup, it will be picked up below, | |
1727 | * otherwise, mark it as the orphanage for later. | |
1728 | */ | |
1729 | if (!orphanage_ino) | |
1730 | orphanage_ino = inum; | |
1731 | } | |
aaca101b | 1732 | |
6c39a3cb BN |
1733 | /* |
1734 | * check for duplicate names in directory. | |
1735 | */ | |
51ca7008 | 1736 | if (!dir_hash_add(mp, hashtab, addr, inum, dep->namelen, |
ff105f75 | 1737 | dep->name, M_DIROPS(mp)->data_get_ftype(dep))) { |
6c39a3cb | 1738 | nbad++; |
5d1b7f0f CH |
1739 | if (entry_junked( |
1740 | _("entry \"%s\" (ino %" PRIu64 ") in dir %" PRIu64 " is a duplicate name"), | |
6c39a3cb BN |
1741 | fname, inum, ip->i_ino)) { |
1742 | dep->name[0] = '/'; | |
ff105f75 | 1743 | libxfs_dir2_data_log_entry(&da, bp, dep); |
6c39a3cb BN |
1744 | } |
1745 | if (inum == orphanage_ino) | |
1746 | orphanage_ino = 0; | |
1747 | continue; | |
1748 | } | |
1749 | ||
575ca697 BN |
1750 | /* |
1751 | * if just scanning to rebuild a directory due to a ".." | |
1752 | * update, just continue | |
1753 | */ | |
1754 | if (dotdot_update) | |
1755 | continue; | |
1756 | ||
2bd0ea18 NS |
1757 | /* |
1758 | * skip the '..' entry since it's checked when the | |
1759 | * directory is reached by something else. if it never | |
1760 | * gets reached, it'll be moved to the orphanage and we'll | |
6fa00c33 BN |
1761 | * take care of it then. If it doesn't exist at all, the |
1762 | * directory needs to be rebuilt first before being added | |
1763 | * to the orphanage. | |
2bd0ea18 NS |
1764 | */ |
1765 | if (dep->namelen == 2 && dep->name[0] == '.' && | |
6fa00c33 BN |
1766 | dep->name[1] == '.') { |
1767 | if (da_bno != 0) { | |
1768 | /* ".." should be in the first block */ | |
1769 | nbad++; | |
5d1b7f0f CH |
1770 | if (entry_junked( |
1771 | _("entry \"%s\" (ino %" PRIu64 ") in dir %" PRIu64 " is not in the the first block"), fname, | |
6fa00c33 BN |
1772 | inum, ip->i_ino)) { |
1773 | dep->name[0] = '/'; | |
ff105f75 | 1774 | libxfs_dir2_data_log_entry(&da, bp, dep); |
6fa00c33 BN |
1775 | } |
1776 | } | |
2bd0ea18 | 1777 | continue; |
6fa00c33 | 1778 | } |
33165ec3 | 1779 | ASSERT(no_modify || !verify_inum(mp, inum)); |
2bd0ea18 NS |
1780 | /* |
1781 | * special case the . entry. we know there's only one | |
1782 | * '.' and only '.' points to itself because bogus entries | |
1783 | * got trashed in phase 3 if there were > 1. | |
1784 | * bump up link count for '.' but don't set reached | |
1785 | * until we're actually reached by another directory | |
1786 | * '..' is already accounted for or will be taken care | |
1787 | * of when directory is moved to orphanage. | |
1788 | */ | |
33165ec3 | 1789 | if (ip->i_ino == inum) { |
369c0b5f DW |
1790 | ASSERT(no_modify || |
1791 | (dep->name[0] == '.' && dep->namelen == 1)); | |
2bd0ea18 | 1792 | add_inode_ref(current_irec, current_ino_offset); |
658ac3e3 | 1793 | if (da_bno != 0 || |
ff105f75 | 1794 | dep != M_DIROPS(mp)->data_entry_p(d)) { |
6fa00c33 BN |
1795 | /* "." should be the first entry */ |
1796 | nbad++; | |
5d1b7f0f CH |
1797 | if (entry_junked( |
1798 | _("entry \"%s\" in dir %" PRIu64 " is not the first entry"), | |
6fa00c33 BN |
1799 | fname, inum, ip->i_ino)) { |
1800 | dep->name[0] = '/'; | |
ff105f75 | 1801 | libxfs_dir2_data_log_entry(&da, bp, dep); |
6fa00c33 BN |
1802 | } |
1803 | } | |
2bd0ea18 NS |
1804 | *need_dot = 0; |
1805 | continue; | |
1806 | } | |
2bd0ea18 NS |
1807 | /* |
1808 | * skip entries with bogus inumbers if we're in no modify mode | |
1809 | */ | |
33165ec3 | 1810 | if (no_modify && verify_inum(mp, inum)) |
2bd0ea18 | 1811 | continue; |
aaca101b DC |
1812 | |
1813 | /* validate ftype field if supported */ | |
1814 | if (xfs_sb_version_hasftype(&mp->m_sb)) { | |
14f8b681 DW |
1815 | uint8_t dir_ftype; |
1816 | uint8_t ino_ftype; | |
aaca101b | 1817 | |
ff105f75 | 1818 | dir_ftype = M_DIROPS(mp)->data_get_ftype(dep); |
aaca101b DC |
1819 | ino_ftype = get_inode_ftype(irec, ino_offset); |
1820 | ||
1821 | if (dir_ftype != ino_ftype) { | |
1822 | if (no_modify) { | |
1823 | do_warn( | |
1824 | _("would fix ftype mismatch (%d/%d) in directory/child inode %" PRIu64 "/%" PRIu64 "\n"), | |
1825 | dir_ftype, ino_ftype, | |
1826 | ip->i_ino, inum); | |
1827 | } else { | |
1828 | do_warn( | |
1829 | _("fixing ftype mismatch (%d/%d) in directory/child inode %" PRIu64 "/%" PRIu64 "\n"), | |
1830 | dir_ftype, ino_ftype, | |
1831 | ip->i_ino, inum); | |
ff105f75 | 1832 | M_DIROPS(mp)->data_put_ftype(dep, |
aaca101b | 1833 | ino_ftype); |
ff105f75 | 1834 | libxfs_dir2_data_log_entry(&da, bp, dep); |
aaca101b DC |
1835 | dir_hash_update_ftype(hashtab, addr, |
1836 | ino_ftype); | |
1837 | } | |
1838 | } | |
1839 | } | |
1840 | ||
2bd0ea18 NS |
1841 | /* |
1842 | * check easy case first, regular inode, just bump | |
1843 | * the link count and continue | |
1844 | */ | |
1845 | if (!inode_isadir(irec, ino_offset)) { | |
1846 | add_inode_reached(irec, ino_offset); | |
1847 | continue; | |
1848 | } | |
1849 | parent = get_inode_parent(irec, ino_offset); | |
1850 | ASSERT(parent != 0); | |
6c39a3cb | 1851 | junkit = 0; |
2bd0ea18 NS |
1852 | /* |
1853 | * bump up the link counts in parent and child | |
1854 | * directory but if the link doesn't agree with | |
1855 | * the .. in the child, blow out the entry. | |
1856 | * if the directory has already been reached, | |
1857 | * blow away the entry also. | |
1858 | */ | |
1859 | if (is_inode_reached(irec, ino_offset)) { | |
1860 | junkit = 1; | |
507f4e33 | 1861 | do_warn( |
5d1b7f0f | 1862 | _("entry \"%s\" in dir %" PRIu64" points to an already connected directory inode %" PRIu64 "\n"), |
33165ec3 | 1863 | fname, ip->i_ino, inum); |
2bd0ea18 NS |
1864 | } else if (parent == ip->i_ino) { |
1865 | add_inode_reached(irec, ino_offset); | |
1866 | add_inode_ref(current_irec, current_ino_offset); | |
6fa00c33 BN |
1867 | } else if (parent == NULLFSINO) { |
1868 | /* ".." was missing, but this entry refers to it, | |
1869 | so, set it as the parent and mark for rebuild */ | |
5d1b7f0f CH |
1870 | do_warn( |
1871 | _("entry \"%s\" in dir ino %" PRIu64 " doesn't have a .. entry, will set it in ino %" PRIu64 ".\n"), | |
6fa00c33 BN |
1872 | fname, ip->i_ino, inum); |
1873 | set_inode_parent(irec, ino_offset, ip->i_ino); | |
1874 | add_inode_reached(irec, ino_offset); | |
1875 | add_inode_ref(current_irec, current_ino_offset); | |
575ca697 BN |
1876 | add_dotdot_update(XFS_INO_TO_AGNO(mp, inum), irec, |
1877 | ino_offset); | |
2bd0ea18 NS |
1878 | } else { |
1879 | junkit = 1; | |
507f4e33 | 1880 | do_warn( |
5d1b7f0f | 1881 | _("entry \"%s\" in dir inode %" PRIu64 " inconsistent with .. value (%" PRIu64 ") in ino %" PRIu64 "\n"), |
33165ec3 | 1882 | fname, ip->i_ino, parent, inum); |
2bd0ea18 NS |
1883 | } |
1884 | if (junkit) { | |
6c39a3cb BN |
1885 | if (inum == orphanage_ino) |
1886 | orphanage_ino = 0; | |
2bd0ea18 NS |
1887 | nbad++; |
1888 | if (!no_modify) { | |
1889 | dep->name[0] = '/'; | |
ff105f75 | 1890 | libxfs_dir2_data_log_entry(&da, bp, dep); |
6c39a3cb | 1891 | if (verbose) |
507f4e33 NS |
1892 | do_warn( |
1893 | _("\twill clear entry \"%s\"\n"), | |
2bd0ea18 NS |
1894 | fname); |
1895 | } else { | |
507f4e33 NS |
1896 | do_warn(_("\twould clear entry \"%s\"\n"), |
1897 | fname); | |
2bd0ea18 NS |
1898 | } |
1899 | } | |
1900 | } | |
1901 | *num_illegal += nbad; | |
1902 | if (needscan) | |
7b111d36 DW |
1903 | libxfs_dir2_data_freescan_int(mp->m_dir_geo, M_DIROPS(mp), |
1904 | d, &i); | |
2bd0ea18 | 1905 | if (needlog) |
ff105f75 | 1906 | libxfs_dir2_data_log_header(&da, bp); |
5c33baee | 1907 | libxfs_defer_ijoin(&dfops, ip); |
de5a3f46 | 1908 | libxfs_trans_commit(tp); |
d2006f04 DC |
1909 | |
1910 | /* record the largest free space in the freetab for later checking */ | |
ff105f75 | 1911 | bf = M_DIROPS(mp)->data_bestfree_p(d); |
d2006f04 | 1912 | freetab->ents[db].v = be16_to_cpu(bf[0].length); |
2bd0ea18 NS |
1913 | freetab->ents[db].s = 0; |
1914 | } | |
1915 | ||
0519f662 DW |
1916 | /* check v5 metadata */ |
1917 | static int | |
1918 | __check_dir3_header( | |
1919 | struct xfs_mount *mp, | |
1920 | struct xfs_buf *bp, | |
1921 | xfs_ino_t ino, | |
1922 | __be64 owner, | |
1923 | __be64 blkno, | |
1924 | uuid_t *uuid) | |
1925 | { | |
1926 | ||
1927 | /* verify owner */ | |
1928 | if (be64_to_cpu(owner) != ino) { | |
1929 | do_warn( | |
1930 | _("expected owner inode %" PRIu64 ", got %llu, directory block %" PRIu64 "\n"), | |
51073f86 | 1931 | ino, (unsigned long long)be64_to_cpu(owner), bp->b_bn); |
0519f662 DW |
1932 | return 1; |
1933 | } | |
1934 | /* verify block number */ | |
1935 | if (be64_to_cpu(blkno) != bp->b_bn) { | |
1936 | do_warn( | |
1937 | _("expected block %" PRIu64 ", got %llu, directory inode %" PRIu64 "\n"), | |
51073f86 | 1938 | bp->b_bn, (unsigned long long)be64_to_cpu(blkno), ino); |
0519f662 DW |
1939 | return 1; |
1940 | } | |
1941 | /* verify uuid */ | |
f31982ae | 1942 | if (platform_uuid_compare(uuid, &mp->m_sb.sb_meta_uuid) != 0) { |
0519f662 DW |
1943 | do_warn( |
1944 | _("wrong FS UUID, directory inode %" PRIu64 " block %" PRIu64 "\n"), | |
1945 | ino, bp->b_bn); | |
1946 | return 1; | |
1947 | } | |
1948 | ||
1949 | return 0; | |
1950 | } | |
1951 | ||
1952 | static int | |
1953 | check_da3_header( | |
1954 | struct xfs_mount *mp, | |
1955 | struct xfs_buf *bp, | |
1956 | xfs_ino_t ino) | |
1957 | { | |
1958 | struct xfs_da3_blkinfo *info = bp->b_addr; | |
1959 | ||
1960 | return __check_dir3_header(mp, bp, ino, info->owner, info->blkno, | |
1961 | &info->uuid); | |
1962 | } | |
1963 | ||
1964 | static int | |
1965 | check_dir3_header( | |
1966 | struct xfs_mount *mp, | |
1967 | struct xfs_buf *bp, | |
1968 | xfs_ino_t ino) | |
1969 | { | |
1970 | struct xfs_dir3_blk_hdr *info = bp->b_addr; | |
1971 | ||
1972 | return __check_dir3_header(mp, bp, ino, info->owner, info->blkno, | |
1973 | &info->uuid); | |
1974 | } | |
1975 | ||
2bd0ea18 NS |
1976 | /* |
1977 | * Check contents of leaf-form block. | |
1978 | */ | |
2556c98b | 1979 | static int |
2bd0ea18 NS |
1980 | longform_dir2_check_leaf( |
1981 | xfs_mount_t *mp, | |
1982 | xfs_inode_t *ip, | |
1983 | dir_hash_tab_t *hashtab, | |
1984 | freetab_t *freetab) | |
1985 | { | |
1986 | int badtail; | |
5e656dbb | 1987 | __be16 *bestsp; |
a2ceac1f | 1988 | struct xfs_buf *bp; |
2bd0ea18 NS |
1989 | xfs_dablk_t da_bno; |
1990 | int i; | |
1991 | xfs_dir2_leaf_t *leaf; | |
1992 | xfs_dir2_leaf_tail_t *ltp; | |
1993 | int seeval; | |
65b80c98 | 1994 | struct xfs_dir2_leaf_entry *ents; |
658ac3e3 | 1995 | struct xfs_dir3_icleaf_hdr leafhdr; |
8e7e14be DC |
1996 | int error; |
1997 | int fixit = 0; | |
2bd0ea18 | 1998 | |
ff105f75 | 1999 | da_bno = mp->m_dir_geo->leafblk; |
8e7e14be DC |
2000 | error = dir_read_buf(ip, da_bno, -1, &bp, &xfs_dir3_leaf1_buf_ops, |
2001 | &fixit); | |
ba1c6776 DW |
2002 | if (error == EFSBADCRC || error == EFSCORRUPTED || fixit) { |
2003 | do_warn( | |
2004 | _("leaf block %u for directory inode %" PRIu64 " bad CRC\n"), | |
2005 | da_bno, ip->i_ino); | |
2006 | return 1; | |
2007 | } else if (error) { | |
5d1b7f0f | 2008 | do_error( |
8e7e14be DC |
2009 | _("can't read block %u for directory inode %" PRIu64 ", error %d\n"), |
2010 | da_bno, ip->i_ino, error); | |
2bd0ea18 NS |
2011 | /* NOTREACHED */ |
2012 | } | |
8e7e14be | 2013 | |
a2ceac1f | 2014 | leaf = bp->b_addr; |
ff105f75 DC |
2015 | M_DIROPS(mp)->leaf_hdr_from_disk(&leafhdr, leaf); |
2016 | ents = M_DIROPS(mp)->leaf_ents_p(leaf); | |
2017 | ltp = xfs_dir2_leaf_tail_p(mp->m_dir_geo, leaf); | |
5e656dbb | 2018 | bestsp = xfs_dir2_leaf_bests_p(ltp); |
658ac3e3 DC |
2019 | if (!(leafhdr.magic == XFS_DIR2_LEAF1_MAGIC || |
2020 | leafhdr.magic == XFS_DIR3_LEAF1_MAGIC) || | |
2021 | leafhdr.forw || leafhdr.back || | |
5eb1ac90 | 2022 | leafhdr.count < leafhdr.stale || |
658ac3e3 | 2023 | leafhdr.count > |
ff105f75 | 2024 | M_DIROPS(mp)->leaf_max_ents(mp->m_dir_geo) || |
658ac3e3 | 2025 | (char *)&ents[leafhdr.count] > (char *)bestsp) { |
507f4e33 | 2026 | do_warn( |
5d1b7f0f | 2027 | _("leaf block %u for directory inode %" PRIu64 " bad header\n"), |
2bd0ea18 | 2028 | da_bno, ip->i_ino); |
a2ceac1f | 2029 | libxfs_putbuf(bp); |
2bd0ea18 NS |
2030 | return 1; |
2031 | } | |
0519f662 DW |
2032 | |
2033 | if (leafhdr.magic == XFS_DIR3_LEAF1_MAGIC) { | |
2034 | error = check_da3_header(mp, bp, ip->i_ino); | |
2035 | if (error) { | |
2036 | libxfs_putbuf(bp); | |
2037 | return error; | |
2038 | } | |
2039 | } | |
2040 | ||
658ac3e3 | 2041 | seeval = dir_hash_see_all(hashtab, ents, leafhdr.count, leafhdr.stale); |
2bd0ea18 | 2042 | if (dir_hash_check(hashtab, ip, seeval)) { |
a2ceac1f | 2043 | libxfs_putbuf(bp); |
2bd0ea18 NS |
2044 | return 1; |
2045 | } | |
5e656dbb BN |
2046 | badtail = freetab->nents != be32_to_cpu(ltp->bestcount); |
2047 | for (i = 0; !badtail && i < be32_to_cpu(ltp->bestcount); i++) { | |
2bd0ea18 | 2048 | freetab->ents[i].s = 1; |
5e656dbb | 2049 | badtail = freetab->ents[i].v != be16_to_cpu(bestsp[i]); |
2bd0ea18 NS |
2050 | } |
2051 | if (badtail) { | |
5d1b7f0f CH |
2052 | do_warn( |
2053 | _("leaf block %u for directory inode %" PRIu64 " bad tail\n"), | |
2bd0ea18 | 2054 | da_bno, ip->i_ino); |
a2ceac1f | 2055 | libxfs_putbuf(bp); |
2bd0ea18 NS |
2056 | return 1; |
2057 | } | |
a2ceac1f | 2058 | libxfs_putbuf(bp); |
8e7e14be | 2059 | return fixit; |
2bd0ea18 NS |
2060 | } |
2061 | ||
2062 | /* | |
2063 | * Check contents of the node blocks (leaves) | |
2064 | * Looks for matching hash values for the data entries. | |
2065 | */ | |
2556c98b | 2066 | static int |
2bd0ea18 NS |
2067 | longform_dir2_check_node( |
2068 | xfs_mount_t *mp, | |
2069 | xfs_inode_t *ip, | |
2070 | dir_hash_tab_t *hashtab, | |
2071 | freetab_t *freetab) | |
2072 | { | |
a2ceac1f | 2073 | struct xfs_buf *bp; |
2bd0ea18 NS |
2074 | xfs_dablk_t da_bno; |
2075 | xfs_dir2_db_t fdb; | |
2076 | xfs_dir2_free_t *free; | |
2077 | int i; | |
2078 | xfs_dir2_leaf_t *leaf; | |
2079 | xfs_fileoff_t next_da_bno; | |
2080 | int seeval = 0; | |
2081 | int used; | |
65b80c98 | 2082 | struct xfs_dir2_leaf_entry *ents; |
658ac3e3 DC |
2083 | struct xfs_dir3_icleaf_hdr leafhdr; |
2084 | struct xfs_dir3_icfree_hdr freehdr; | |
2085 | __be16 *bests; | |
8e7e14be DC |
2086 | int error; |
2087 | int fixit = 0; | |
0f012a4c | 2088 | |
ff105f75 DC |
2089 | for (da_bno = mp->m_dir_geo->leafblk, next_da_bno = 0; |
2090 | next_da_bno != NULLFILEOFF && da_bno < mp->m_dir_geo->freeblk; | |
5e656dbb | 2091 | da_bno = (xfs_dablk_t)next_da_bno) { |
ff105f75 | 2092 | next_da_bno = da_bno + mp->m_dir_geo->fsbcount - 1; |
5e656dbb | 2093 | if (bmap_next_offset(NULL, ip, &next_da_bno, XFS_DATA_FORK)) |
2bd0ea18 | 2094 | break; |
9b981421 DC |
2095 | |
2096 | /* | |
2097 | * we need to use the da3 node verifier here as it handles the | |
2098 | * fact that reading the leaf hash tree blocks can return either | |
2099 | * leaf or node blocks and calls the correct verifier. If we get | |
2100 | * a node block, then we'll skip it below based on a magic | |
2101 | * number check. | |
2102 | */ | |
8e7e14be DC |
2103 | error = dir_read_buf(ip, da_bno, -1, &bp, |
2104 | &xfs_da3_node_buf_ops, &fixit); | |
2105 | if (error) { | |
33165ec3 | 2106 | do_warn( |
8e7e14be DC |
2107 | _("can't read leaf block %u for directory inode %" PRIu64 ", error %d\n"), |
2108 | da_bno, ip->i_ino, error); | |
33165ec3 | 2109 | return 1; |
2bd0ea18 | 2110 | } |
a2ceac1f | 2111 | leaf = bp->b_addr; |
ff105f75 DC |
2112 | M_DIROPS(mp)->leaf_hdr_from_disk(&leafhdr, leaf); |
2113 | ents = M_DIROPS(mp)->leaf_ents_p(leaf); | |
658ac3e3 | 2114 | if (!(leafhdr.magic == XFS_DIR2_LEAFN_MAGIC || |
0519f662 DW |
2115 | leafhdr.magic == XFS_DIR3_LEAFN_MAGIC || |
2116 | leafhdr.magic == XFS_DA_NODE_MAGIC || | |
2117 | leafhdr.magic == XFS_DA3_NODE_MAGIC)) { | |
5d1b7f0f CH |
2118 | do_warn( |
2119 | _("unknown magic number %#x for block %u in directory inode %" PRIu64 "\n"), | |
658ac3e3 | 2120 | leafhdr.magic, da_bno, ip->i_ino); |
a2ceac1f | 2121 | libxfs_putbuf(bp); |
2bd0ea18 NS |
2122 | return 1; |
2123 | } | |
8e7e14be | 2124 | |
0519f662 DW |
2125 | /* check v5 metadata */ |
2126 | if (leafhdr.magic == XFS_DIR3_LEAFN_MAGIC || | |
2127 | leafhdr.magic == XFS_DA3_NODE_MAGIC) { | |
2128 | error = check_da3_header(mp, bp, ip->i_ino); | |
2129 | if (error) { | |
2130 | libxfs_putbuf(bp); | |
2131 | return error; | |
2132 | } | |
2133 | } | |
2134 | ||
2135 | /* ignore nodes */ | |
2136 | if (leafhdr.magic == XFS_DA_NODE_MAGIC || | |
2137 | leafhdr.magic == XFS_DA3_NODE_MAGIC) { | |
2138 | libxfs_putbuf(bp); | |
2139 | continue; | |
2140 | } | |
2141 | ||
8e7e14be DC |
2142 | /* |
2143 | * If there's a validator error, we need to ensure that we got | |
2144 | * the right ops on the buffer for when we write it back out. | |
2145 | */ | |
2146 | bp->b_ops = &xfs_dir3_leafn_buf_ops; | |
ff105f75 | 2147 | if (leafhdr.count > M_DIROPS(mp)->leaf_max_ents(mp->m_dir_geo) || |
658ac3e3 | 2148 | leafhdr.count < leafhdr.stale) { |
5d1b7f0f CH |
2149 | do_warn( |
2150 | _("leaf block %u for directory inode %" PRIu64 " bad header\n"), | |
2bd0ea18 | 2151 | da_bno, ip->i_ino); |
a2ceac1f | 2152 | libxfs_putbuf(bp); |
2bd0ea18 NS |
2153 | return 1; |
2154 | } | |
65b80c98 | 2155 | seeval = dir_hash_see_all(hashtab, ents, |
658ac3e3 | 2156 | leafhdr.count, leafhdr.stale); |
a2ceac1f | 2157 | libxfs_putbuf(bp); |
0f012a4c | 2158 | if (seeval != DIR_HASH_CK_OK) |
2bd0ea18 NS |
2159 | return 1; |
2160 | } | |
0f012a4c | 2161 | if (dir_hash_check(hashtab, ip, seeval)) |
2bd0ea18 | 2162 | return 1; |
0f012a4c | 2163 | |
ff105f75 | 2164 | for (da_bno = mp->m_dir_geo->freeblk, next_da_bno = 0; |
2bd0ea18 NS |
2165 | next_da_bno != NULLFILEOFF; |
2166 | da_bno = (xfs_dablk_t)next_da_bno) { | |
ff105f75 | 2167 | next_da_bno = da_bno + mp->m_dir_geo->fsbcount - 1; |
5e656dbb | 2168 | if (bmap_next_offset(NULL, ip, &next_da_bno, XFS_DATA_FORK)) |
2bd0ea18 | 2169 | break; |
8e7e14be DC |
2170 | |
2171 | error = dir_read_buf(ip, da_bno, -1, &bp, | |
2172 | &xfs_dir3_free_buf_ops, &fixit); | |
2173 | if (error) { | |
33165ec3 | 2174 | do_warn( |
8e7e14be DC |
2175 | _("can't read freespace block %u for directory inode %" PRIu64 ", error %d\n"), |
2176 | da_bno, ip->i_ino, error); | |
33165ec3 | 2177 | return 1; |
2bd0ea18 | 2178 | } |
a2ceac1f | 2179 | free = bp->b_addr; |
ff105f75 DC |
2180 | M_DIROPS(mp)->free_hdr_from_disk(&freehdr, free); |
2181 | bests = M_DIROPS(mp)->free_bests_p(free); | |
2182 | fdb = xfs_dir2_da_to_db(mp->m_dir_geo, da_bno); | |
658ac3e3 DC |
2183 | if (!(freehdr.magic == XFS_DIR2_FREE_MAGIC || |
2184 | freehdr.magic == XFS_DIR3_FREE_MAGIC) || | |
ff105f75 DC |
2185 | freehdr.firstdb != |
2186 | (fdb - xfs_dir2_byte_to_db(mp->m_dir_geo, XFS_DIR2_FREE_OFFSET)) * | |
2187 | M_DIROPS(mp)->free_max_bests(mp->m_dir_geo) || | |
2188 | freehdr.nvalid < freehdr.nused) { | |
5d1b7f0f CH |
2189 | do_warn( |
2190 | _("free block %u for directory inode %" PRIu64 " bad header\n"), | |
2bd0ea18 | 2191 | da_bno, ip->i_ino); |
a2ceac1f | 2192 | libxfs_putbuf(bp); |
2bd0ea18 NS |
2193 | return 1; |
2194 | } | |
0519f662 DW |
2195 | |
2196 | if (freehdr.magic == XFS_DIR3_FREE_MAGIC) { | |
2197 | error = check_dir3_header(mp, bp, ip->i_ino); | |
2198 | if (error) { | |
2199 | libxfs_putbuf(bp); | |
2200 | return error; | |
2201 | } | |
2202 | } | |
658ac3e3 DC |
2203 | for (i = used = 0; i < freehdr.nvalid; i++) { |
2204 | if (i + freehdr.firstdb >= freetab->nents || | |
2205 | freetab->ents[i + freehdr.firstdb].v != | |
2206 | be16_to_cpu(bests[i])) { | |
507f4e33 | 2207 | do_warn( |
5d1b7f0f | 2208 | _("free block %u entry %i for directory ino %" PRIu64 " bad\n"), |
2bd0ea18 | 2209 | da_bno, i, ip->i_ino); |
a2ceac1f | 2210 | libxfs_putbuf(bp); |
2bd0ea18 NS |
2211 | return 1; |
2212 | } | |
658ac3e3 DC |
2213 | used += be16_to_cpu(bests[i]) != NULLDATAOFF; |
2214 | freetab->ents[i + freehdr.firstdb].s = 1; | |
2bd0ea18 | 2215 | } |
658ac3e3 | 2216 | if (used != freehdr.nused) { |
5d1b7f0f CH |
2217 | do_warn( |
2218 | _("free block %u for directory inode %" PRIu64 " bad nused\n"), | |
2bd0ea18 | 2219 | da_bno, ip->i_ino); |
a2ceac1f | 2220 | libxfs_putbuf(bp); |
2bd0ea18 NS |
2221 | return 1; |
2222 | } | |
a2ceac1f | 2223 | libxfs_putbuf(bp); |
2bd0ea18 NS |
2224 | } |
2225 | for (i = 0; i < freetab->nents; i++) { | |
4b6a2d8e NS |
2226 | if ((freetab->ents[i].s == 0) && |
2227 | (freetab->ents[i].v != NULLDATAOFF)) { | |
5d1b7f0f CH |
2228 | do_warn( |
2229 | _("missing freetab entry %u for directory inode %" PRIu64 "\n"), | |
2bd0ea18 NS |
2230 | i, ip->i_ino); |
2231 | return 1; | |
2232 | } | |
2233 | } | |
8e7e14be | 2234 | return fixit; |
2bd0ea18 NS |
2235 | } |
2236 | ||
2237 | /* | |
33165ec3 BN |
2238 | * If a directory is corrupt, we need to read in as many entries as possible, |
2239 | * destroy the entry and create a new one with recovered name/inode pairs. | |
2240 | * (ie. get libxfs to do all the grunt work) | |
2bd0ea18 | 2241 | */ |
2556c98b | 2242 | static void |
2bd0ea18 NS |
2243 | longform_dir2_entry_check(xfs_mount_t *mp, |
2244 | xfs_ino_t ino, | |
2245 | xfs_inode_t *ip, | |
2246 | int *num_illegal, | |
2247 | int *need_dot, | |
2bd0ea18 | 2248 | ino_tree_node_t *irec, |
64c54486 | 2249 | int ino_offset, |
33165ec3 | 2250 | dir_hash_tab_t *hashtab) |
2bd0ea18 | 2251 | { |
a2ceac1f | 2252 | struct xfs_buf **bplist; |
2bd0ea18 NS |
2253 | xfs_dablk_t da_bno; |
2254 | freetab_t *freetab; | |
95dff16b | 2255 | int num_bps; |
2bd0ea18 NS |
2256 | int i; |
2257 | int isblock; | |
2258 | int isleaf; | |
2259 | xfs_fileoff_t next_da_bno; | |
2260 | int seeval; | |
b5fa9e86 | 2261 | int fixit = 0; |
95dff16b | 2262 | xfs_dir2_db_t db; |
ff105f75 | 2263 | struct xfs_da_args args; |
2bd0ea18 NS |
2264 | |
2265 | *need_dot = 1; | |
ff105f75 | 2266 | freetab = malloc(FREETAB_SIZE(ip->i_d.di_size / mp->m_dir_geo->blksize)); |
2bd0ea18 | 2267 | if (!freetab) { |
15e3986b DC |
2268 | do_error(_("malloc failed in %s (%" PRId64 " bytes)\n"), |
2269 | __func__, | |
ff105f75 | 2270 | FREETAB_SIZE(ip->i_d.di_size / mp->m_dir_geo->blksize)); |
2bd0ea18 NS |
2271 | exit(1); |
2272 | } | |
ff105f75 | 2273 | freetab->naents = ip->i_d.di_size / mp->m_dir_geo->blksize; |
2bd0ea18 NS |
2274 | freetab->nents = 0; |
2275 | for (i = 0; i < freetab->naents; i++) { | |
2276 | freetab->ents[i].v = NULLDATAOFF; | |
2277 | freetab->ents[i].s = 0; | |
2278 | } | |
95dff16b | 2279 | num_bps = freetab->naents; |
a2ceac1f | 2280 | bplist = calloc(num_bps, sizeof(struct xfs_buf*)); |
15e3986b DC |
2281 | if (!bplist) |
2282 | do_error(_("calloc failed in %s (%zu bytes)\n"), | |
2283 | __func__, num_bps * sizeof(struct xfs_buf*)); | |
2284 | ||
9d7d6241 | 2285 | /* is this a block, leaf, or node directory? */ |
ff105f75 DC |
2286 | args.dp = ip; |
2287 | args.geo = mp->m_dir_geo; | |
2288 | libxfs_dir2_isblock(&args, &isblock); | |
2289 | libxfs_dir2_isleaf(&args, &isleaf); | |
9d7d6241 | 2290 | |
33165ec3 | 2291 | /* check directory "data" blocks (ie. name/inode pairs) */ |
2bd0ea18 | 2292 | for (da_bno = 0, next_da_bno = 0; |
ff105f75 | 2293 | next_da_bno != NULLFILEOFF && da_bno < mp->m_dir_geo->leafblk; |
2bd0ea18 | 2294 | da_bno = (xfs_dablk_t)next_da_bno) { |
b5fa9e86 | 2295 | const struct xfs_buf_ops *ops; |
8e7e14be | 2296 | int error; |
0519f662 | 2297 | struct xfs_dir2_data_hdr *d; |
b5fa9e86 | 2298 | |
ff105f75 | 2299 | next_da_bno = da_bno + mp->m_dir_geo->fsbcount - 1; |
15e3986b DC |
2300 | if (bmap_next_offset(NULL, ip, &next_da_bno, XFS_DATA_FORK)) { |
2301 | /* | |
2302 | * if this is the first block, there isn't anything we | |
2303 | * can recover so we just trash it. | |
2304 | */ | |
2305 | if (da_bno == 0) { | |
2306 | fixit++; | |
2307 | goto out_fix; | |
2308 | } | |
2bd0ea18 | 2309 | break; |
15e3986b DC |
2310 | } |
2311 | ||
ff105f75 | 2312 | db = xfs_dir2_da_to_db(mp->m_dir_geo, da_bno); |
95dff16b BN |
2313 | if (db >= num_bps) { |
2314 | /* more data blocks than expected */ | |
2315 | num_bps = db + 1; | |
a2ceac1f | 2316 | bplist = realloc(bplist, num_bps * sizeof(struct xfs_buf*)); |
0f012a4c | 2317 | if (!bplist) |
15e3986b DC |
2318 | do_error(_("realloc failed in %s (%zu bytes)\n"), |
2319 | __func__, | |
a2ceac1f | 2320 | num_bps * sizeof(struct xfs_buf*)); |
95dff16b | 2321 | } |
b5fa9e86 DC |
2322 | |
2323 | if (isblock) | |
2324 | ops = &xfs_dir3_block_buf_ops; | |
2325 | else | |
2326 | ops = &xfs_dir3_data_buf_ops; | |
8e7e14be DC |
2327 | |
2328 | error = dir_read_buf(ip, da_bno, -1, &bplist[db], ops, &fixit); | |
2329 | if (error) { | |
5d1b7f0f | 2330 | do_warn( |
8e7e14be DC |
2331 | _("can't read data block %u for directory inode %" PRIu64 " error %d\n"), |
2332 | da_bno, ino, error); | |
95dff16b | 2333 | *num_illegal += 1; |
b5fa9e86 DC |
2334 | |
2335 | /* | |
2336 | * we try to read all "data" blocks, but if we are in | |
2337 | * block form and we fail, there isn't anything else to | |
2338 | * read, and nothing we can do but trash it. | |
2339 | */ | |
2340 | if (isblock) { | |
2341 | fixit++; | |
2342 | goto out_fix; | |
2343 | } | |
2344 | continue; | |
2bd0ea18 | 2345 | } |
0519f662 DW |
2346 | |
2347 | /* check v5 metadata */ | |
2348 | d = bplist[db]->b_addr; | |
2349 | if (be32_to_cpu(d->magic) == XFS_DIR3_BLOCK_MAGIC || | |
2350 | be32_to_cpu(d->magic) == XFS_DIR3_DATA_MAGIC) { | |
2351 | struct xfs_buf *bp = bplist[db]; | |
2352 | ||
2353 | error = check_dir3_header(mp, bp, ino); | |
2354 | if (error) { | |
2355 | fixit++; | |
2356 | continue; | |
2357 | } | |
2358 | } | |
2359 | ||
2bd0ea18 | 2360 | longform_dir2_entry_check_data(mp, ip, num_illegal, need_dot, |
2556c98b | 2361 | irec, ino_offset, &bplist[db], hashtab, |
33165ec3 | 2362 | &freetab, da_bno, isblock); |
2bd0ea18 | 2363 | } |
8e7e14be | 2364 | fixit |= (*num_illegal != 0) || dir2_is_badino(ino) || *need_dot; |
9d7d6241 | 2365 | |
575ca697 BN |
2366 | if (!dotdot_update) { |
2367 | /* check btree and freespace */ | |
2368 | if (isblock) { | |
a354abc8 | 2369 | struct xfs_dir2_data_hdr *block; |
575ca697 BN |
2370 | xfs_dir2_block_tail_t *btp; |
2371 | xfs_dir2_leaf_entry_t *blp; | |
2372 | ||
a2ceac1f | 2373 | block = bplist[0]->b_addr; |
ff105f75 | 2374 | btp = xfs_dir2_block_tail_p(mp->m_dir_geo, block); |
5e656dbb | 2375 | blp = xfs_dir2_block_leaf_p(btp); |
575ca697 BN |
2376 | seeval = dir_hash_see_all(hashtab, blp, |
2377 | be32_to_cpu(btp->count), | |
2378 | be32_to_cpu(btp->stale)); | |
2379 | if (dir_hash_check(hashtab, ip, seeval)) | |
2380 | fixit |= 1; | |
2381 | } else if (isleaf) { | |
2382 | fixit |= longform_dir2_check_leaf(mp, ip, hashtab, | |
2383 | freetab); | |
2384 | } else { | |
2385 | fixit |= longform_dir2_check_node(mp, ip, hashtab, | |
2386 | freetab); | |
2387 | } | |
2bd0ea18 | 2388 | } |
b5fa9e86 | 2389 | out_fix: |
575ca697 | 2390 | if (!no_modify && (fixit || dotdot_update)) { |
33165ec3 | 2391 | dir_hash_dup_names(hashtab); |
90dd8310 | 2392 | for (i = 0; i < num_bps; i++) |
33165ec3 | 2393 | if (bplist[i]) |
a2ceac1f | 2394 | libxfs_putbuf(bplist[i]); |
6fa00c33 | 2395 | longform_dir2_rebuild(mp, ino, ip, irec, ino_offset, hashtab); |
33165ec3 | 2396 | *num_illegal = 0; |
6fa00c33 | 2397 | *need_dot = 0; |
33165ec3 | 2398 | } else { |
90dd8310 | 2399 | for (i = 0; i < num_bps; i++) |
33165ec3 | 2400 | if (bplist[i]) |
a2ceac1f | 2401 | libxfs_putbuf(bplist[i]); |
33165ec3 | 2402 | } |
0f012a4c | 2403 | |
95dff16b | 2404 | free(bplist); |
2bd0ea18 NS |
2405 | free(freetab); |
2406 | } | |
2407 | ||
2bd0ea18 NS |
2408 | /* |
2409 | * shortform directory v2 processing routines -- entry verification and | |
2410 | * bad entry deletion (pruning). | |
2411 | */ | |
aaca101b DC |
2412 | static struct xfs_dir2_sf_entry * |
2413 | shortform_dir2_junk( | |
2414 | struct xfs_mount *mp, | |
2415 | struct xfs_dir2_sf_hdr *sfp, | |
2416 | struct xfs_dir2_sf_entry *sfep, | |
2417 | xfs_ino_t lino, | |
2418 | int *max_size, | |
2419 | int *index, | |
2420 | int *bytes_deleted, | |
2421 | int *ino_dirty) | |
2422 | { | |
2423 | struct xfs_dir2_sf_entry *next_sfep; | |
2424 | int next_len; | |
2425 | int next_elen; | |
2426 | ||
2427 | if (lino == orphanage_ino) | |
2428 | orphanage_ino = 0; | |
2429 | ||
ff105f75 DC |
2430 | next_elen = M_DIROPS(mp)->sf_entsize(sfp, sfep->namelen); |
2431 | next_sfep = M_DIROPS(mp)->sf_nextentry(sfp, sfep); | |
aaca101b DC |
2432 | |
2433 | /* | |
2434 | * if we are just checking, simply return the pointer to the next entry | |
2435 | * here so that the checking loop can continue. | |
2436 | */ | |
2437 | if (no_modify) { | |
2438 | do_warn(_("would junk entry\n")); | |
2439 | return next_sfep; | |
2440 | } | |
2441 | ||
2442 | /* | |
2443 | * now move all the remaining entries down over the junked entry and | |
2444 | * clear the newly unused bytes at the tail of the directory region. | |
2445 | */ | |
ee6cd73e | 2446 | next_len = *max_size - ((intptr_t)next_sfep - (intptr_t)sfp); |
aaca101b DC |
2447 | *max_size -= next_elen; |
2448 | *bytes_deleted += next_elen; | |
2449 | ||
2450 | memmove(sfep, next_sfep, next_len); | |
ee6cd73e | 2451 | memset((void *)((intptr_t)sfep + next_len), 0, next_elen); |
aaca101b DC |
2452 | sfp->count -= 1; |
2453 | *ino_dirty = 1; | |
2454 | ||
2455 | /* | |
2456 | * WARNING: drop the index i by one so it matches the decremented count | |
2457 | * for accurate comparisons in the loop test | |
2458 | */ | |
2459 | (*index)--; | |
2460 | ||
2461 | if (verbose) | |
2462 | do_warn(_("junking entry\n")); | |
2463 | else | |
2464 | do_warn("\n"); | |
2465 | return sfep; | |
2466 | } | |
2467 | ||
2556c98b | 2468 | static void |
2bd0ea18 NS |
2469 | shortform_dir2_entry_check(xfs_mount_t *mp, |
2470 | xfs_ino_t ino, | |
2471 | xfs_inode_t *ip, | |
2472 | int *ino_dirty, | |
2bd0ea18 | 2473 | ino_tree_node_t *current_irec, |
64c54486 | 2474 | int current_ino_offset, |
33165ec3 | 2475 | dir_hash_tab_t *hashtab) |
2bd0ea18 NS |
2476 | { |
2477 | xfs_ino_t lino; | |
2478 | xfs_ino_t parent; | |
a354abc8 | 2479 | struct xfs_dir2_sf_hdr *sfp; |
aaca101b DC |
2480 | struct xfs_dir2_sf_entry *sfep; |
2481 | struct xfs_dir2_sf_entry *next_sfep; | |
2482 | struct xfs_ifork *ifp; | |
2483 | struct ino_tree_node *irec; | |
2bd0ea18 NS |
2484 | int max_size; |
2485 | int ino_offset; | |
2486 | int i; | |
2bd0ea18 NS |
2487 | int bad_sfnamelen; |
2488 | int namelen; | |
2489 | int bytes_deleted; | |
2490 | char fname[MAXNAMELEN + 1]; | |
2491 | int i8; | |
2492 | ||
2493 | ifp = &ip->i_df; | |
a354abc8 | 2494 | sfp = (struct xfs_dir2_sf_hdr *) ifp->if_u1.if_data; |
2bd0ea18 | 2495 | *ino_dirty = 0; |
e55d768a | 2496 | bytes_deleted = 0; |
2bd0ea18 NS |
2497 | |
2498 | max_size = ifp->if_bytes; | |
2499 | ASSERT(ip->i_d.di_size <= ifp->if_bytes); | |
2500 | ||
575ca697 BN |
2501 | /* |
2502 | * if just rebuild a directory due to a "..", update and return | |
2503 | */ | |
2504 | if (dotdot_update) { | |
2505 | parent = get_inode_parent(current_irec, current_ino_offset); | |
2506 | if (no_modify) { | |
5d1b7f0f CH |
2507 | do_warn( |
2508 | _("would set .. in sf dir inode %" PRIu64 " to %" PRIu64 "\n"), | |
575ca697 BN |
2509 | ino, parent); |
2510 | } else { | |
5d1b7f0f CH |
2511 | do_warn( |
2512 | _("setting .. in sf dir inode %" PRIu64 " to %" PRIu64 "\n"), | |
575ca697 | 2513 | ino, parent); |
ff105f75 | 2514 | M_DIROPS(mp)->sf_put_parent_ino(sfp, parent); |
575ca697 BN |
2515 | *ino_dirty = 1; |
2516 | } | |
2517 | return; | |
2518 | } | |
2519 | ||
2bd0ea18 NS |
2520 | /* |
2521 | * no '.' entry in shortform dirs, just bump up ref count by 1 | |
2522 | * '..' was already (or will be) accounted for and checked when | |
2523 | * the directory is reached or will be taken care of when the | |
2524 | * directory is moved to orphanage. | |
2525 | */ | |
2526 | add_inode_ref(current_irec, current_ino_offset); | |
2527 | ||
e55d768a NS |
2528 | /* |
2529 | * Initialise i8 counter -- the parent inode number counts as well. | |
2530 | */ | |
ff105f75 | 2531 | i8 = M_DIROPS(mp)->sf_get_parent_ino(sfp) > XFS_DIR2_MAX_SHORT_INUM; |
e55d768a | 2532 | |
2bd0ea18 NS |
2533 | /* |
2534 | * now run through entries, stop at first bad entry, don't need | |
2535 | * to skip over '..' since that's encoded in its own field and | |
2536 | * no need to worry about '.' since it doesn't exist. | |
2537 | */ | |
a354abc8 | 2538 | sfep = next_sfep = xfs_dir2_sf_firstentry(sfp); |
2bd0ea18 | 2539 | |
a354abc8 | 2540 | for (i = 0; i < sfp->count && max_size > |
ee6cd73e | 2541 | (intptr_t)next_sfep - (intptr_t)sfp; |
2bd0ea18 | 2542 | sfep = next_sfep, i++) { |
2bd0ea18 | 2543 | bad_sfnamelen = 0; |
2bd0ea18 | 2544 | |
ff105f75 | 2545 | lino = M_DIROPS(mp)->sf_get_ino(sfp, sfep); |
2bd0ea18 NS |
2546 | |
2547 | namelen = sfep->namelen; | |
2548 | ||
2549 | ASSERT(no_modify || namelen > 0); | |
2550 | ||
2551 | if (no_modify && namelen == 0) { | |
2552 | /* | |
2553 | * if we're really lucky, this is | |
2554 | * the last entry in which case we | |
2555 | * can use the dir size to set the | |
2556 | * namelen value. otherwise, forget | |
2557 | * it because we're not going to be | |
2558 | * able to find the next entry. | |
2559 | */ | |
2560 | bad_sfnamelen = 1; | |
2561 | ||
a354abc8 | 2562 | if (i == sfp->count - 1) { |
2bd0ea18 | 2563 | namelen = ip->i_d.di_size - |
ee6cd73e CH |
2564 | ((intptr_t) &sfep->name[0] - |
2565 | (intptr_t) sfp); | |
2bd0ea18 NS |
2566 | } else { |
2567 | /* | |
2568 | * don't process the rest of the directory, | |
2569 | * break out of processing loop | |
2570 | */ | |
2571 | break; | |
2572 | } | |
ee6cd73e | 2573 | } else if (no_modify && (intptr_t) sfep - (intptr_t) sfp + |
ff105f75 | 2574 | + M_DIROPS(mp)->sf_entsize(sfp, sfep->namelen) |
2bd0ea18 NS |
2575 | > ip->i_d.di_size) { |
2576 | bad_sfnamelen = 1; | |
2577 | ||
a354abc8 | 2578 | if (i == sfp->count - 1) { |
2bd0ea18 | 2579 | namelen = ip->i_d.di_size - |
ee6cd73e CH |
2580 | ((intptr_t) &sfep->name[0] - |
2581 | (intptr_t) sfp); | |
2bd0ea18 NS |
2582 | } else { |
2583 | /* | |
2584 | * don't process the rest of the directory, | |
2585 | * break out of processing loop | |
2586 | */ | |
2587 | break; | |
2588 | } | |
2589 | } | |
2590 | ||
dab9b8d6 | 2591 | memmove(fname, sfep->name, sfep->namelen); |
2bd0ea18 NS |
2592 | fname[sfep->namelen] = '\0'; |
2593 | ||
2594 | ASSERT(no_modify || (lino != NULLFSINO && lino != 0)); | |
2595 | ASSERT(no_modify || !verify_inum(mp, lino)); | |
2596 | ||
e55d768a NS |
2597 | /* |
2598 | * Also skip entries with bogus inode numbers if we're | |
2599 | * in no modify mode. | |
2600 | */ | |
2601 | ||
2602 | if (no_modify && verify_inum(mp, lino)) { | |
ff105f75 | 2603 | next_sfep = M_DIROPS(mp)->sf_nextentry(sfp, sfep); |
2bd0ea18 NS |
2604 | continue; |
2605 | } | |
2606 | ||
1ae311d5 | 2607 | irec = find_inode_rec(mp, XFS_INO_TO_AGNO(mp, lino), |
2bd0ea18 NS |
2608 | XFS_INO_TO_AGINO(mp, lino)); |
2609 | ||
6c39a3cb | 2610 | if (irec == NULL) { |
5d1b7f0f CH |
2611 | do_warn( |
2612 | _("entry \"%s\" in shortform directory %" PRIu64 " references non-existent inode %" PRIu64 "\n"), | |
2bd0ea18 | 2613 | fname, ino, lino); |
aaca101b DC |
2614 | next_sfep = shortform_dir2_junk(mp, sfp, sfep, lino, |
2615 | &max_size, &i, &bytes_deleted, | |
2616 | ino_dirty); | |
2617 | continue; | |
2bd0ea18 NS |
2618 | } |
2619 | ||
2bd0ea18 NS |
2620 | ino_offset = XFS_INO_TO_AGINO(mp, lino) - irec->ino_startnum; |
2621 | ||
2622 | /* | |
2623 | * if it's a free inode, blow out the entry. | |
2624 | * by now, any inode that we think is free | |
2625 | * really is free. | |
2626 | */ | |
2627 | if (is_inode_free(irec, ino_offset)) { | |
5d1b7f0f CH |
2628 | do_warn( |
2629 | _("entry \"%s\" in shortform directory inode %" PRIu64 " points to free inode %" PRIu64 "\n"), | |
6c39a3cb | 2630 | fname, ino, lino); |
aaca101b DC |
2631 | next_sfep = shortform_dir2_junk(mp, sfp, sfep, lino, |
2632 | &max_size, &i, &bytes_deleted, | |
2633 | ino_dirty); | |
2634 | continue; | |
6c39a3cb BN |
2635 | } |
2636 | /* | |
2637 | * check if this inode is lost+found dir in the root | |
2638 | */ | |
2639 | if (ino == mp->m_sb.sb_rootino && strcmp(fname, ORPHANAGE) == 0) { | |
2bd0ea18 | 2640 | /* |
6c39a3cb | 2641 | * if it's not a directory, trash it |
2bd0ea18 | 2642 | */ |
6c39a3cb | 2643 | if (!inode_isadir(irec, ino_offset)) { |
5d1b7f0f CH |
2644 | do_warn( |
2645 | _("%s (ino %" PRIu64 ") in root (%" PRIu64 ") is not a directory"), | |
2646 | ORPHANAGE, lino, ino); | |
aaca101b DC |
2647 | next_sfep = shortform_dir2_junk(mp, sfp, sfep, |
2648 | lino, &max_size, &i, | |
2649 | &bytes_deleted, ino_dirty); | |
2650 | continue; | |
2bd0ea18 | 2651 | } |
64c54486 | 2652 | /* |
6c39a3cb BN |
2653 | * if this is a dup, it will be picked up below, |
2654 | * otherwise, mark it as the orphanage for later. | |
0f012a4c | 2655 | */ |
6c39a3cb BN |
2656 | if (!orphanage_ino) |
2657 | orphanage_ino = lino; | |
2658 | } | |
2659 | /* | |
2660 | * check for duplicate names in directory. | |
2661 | */ | |
51ca7008 | 2662 | if (!dir_hash_add(mp, hashtab, (xfs_dir2_dataptr_t) |
a354abc8 | 2663 | (sfep - xfs_dir2_sf_firstentry(sfp)), |
aaca101b | 2664 | lino, sfep->namelen, sfep->name, |
ff105f75 | 2665 | M_DIROPS(mp)->sf_get_ftype(sfep))) { |
5d1b7f0f CH |
2666 | do_warn( |
2667 | _("entry \"%s\" (ino %" PRIu64 ") in dir %" PRIu64 " is a duplicate name"), | |
2668 | fname, lino, ino); | |
aaca101b DC |
2669 | next_sfep = shortform_dir2_junk(mp, sfp, sfep, lino, |
2670 | &max_size, &i, &bytes_deleted, | |
2671 | ino_dirty); | |
2672 | continue; | |
6c39a3cb | 2673 | } |
575ca697 | 2674 | |
6c39a3cb | 2675 | if (!inode_isadir(irec, ino_offset)) { |
2bd0ea18 NS |
2676 | /* |
2677 | * check easy case first, regular inode, just bump | |
e55d768a | 2678 | * the link count |
2bd0ea18 NS |
2679 | */ |
2680 | add_inode_reached(irec, ino_offset); | |
2bd0ea18 NS |
2681 | } else { |
2682 | parent = get_inode_parent(irec, ino_offset); | |
2683 | ||
2684 | /* | |
2685 | * bump up the link counts in parent and child. | |
2686 | * directory but if the link doesn't agree with | |
2687 | * the .. in the child, blow out the entry | |
2688 | */ | |
2689 | if (is_inode_reached(irec, ino_offset)) { | |
5d1b7f0f CH |
2690 | do_warn( |
2691 | _("entry \"%s\" in directory inode %" PRIu64 | |
2692 | " references already connected inode %" PRIu64 ".\n"), | |
2bd0ea18 | 2693 | fname, ino, lino); |
aaca101b DC |
2694 | next_sfep = shortform_dir2_junk(mp, sfp, sfep, |
2695 | lino, &max_size, &i, | |
2696 | &bytes_deleted, ino_dirty); | |
2697 | continue; | |
2bd0ea18 NS |
2698 | } else if (parent == ino) { |
2699 | add_inode_reached(irec, ino_offset); | |
2700 | add_inode_ref(current_irec, current_ino_offset); | |
6fa00c33 BN |
2701 | } else if (parent == NULLFSINO) { |
2702 | /* ".." was missing, but this entry refers to it, | |
2703 | so, set it as the parent and mark for rebuild */ | |
5d1b7f0f CH |
2704 | do_warn( |
2705 | _("entry \"%s\" in dir ino %" PRIu64 " doesn't have a .. entry, will set it in ino %" PRIu64 ".\n"), | |
6fa00c33 BN |
2706 | fname, ino, lino); |
2707 | set_inode_parent(irec, ino_offset, ino); | |
2708 | add_inode_reached(irec, ino_offset); | |
2709 | add_inode_ref(current_irec, current_ino_offset); | |
575ca697 BN |
2710 | add_dotdot_update(XFS_INO_TO_AGNO(mp, lino), |
2711 | irec, ino_offset); | |
2bd0ea18 | 2712 | } else { |
5d1b7f0f CH |
2713 | do_warn( |
2714 | _("entry \"%s\" in directory inode %" PRIu64 | |
2715 | " not consistent with .. value (%" PRIu64 | |
2716 | ") in inode %" PRIu64 ",\n"), | |
2bd0ea18 | 2717 | fname, ino, parent, lino); |
aaca101b DC |
2718 | next_sfep = shortform_dir2_junk(mp, sfp, sfep, |
2719 | lino, &max_size, &i, | |
2720 | &bytes_deleted, ino_dirty); | |
2721 | continue; | |
2bd0ea18 NS |
2722 | } |
2723 | } | |
2724 | ||
aaca101b DC |
2725 | /* validate ftype field if supported */ |
2726 | if (xfs_sb_version_hasftype(&mp->m_sb)) { | |
14f8b681 DW |
2727 | uint8_t dir_ftype; |
2728 | uint8_t ino_ftype; | |
2bd0ea18 | 2729 | |
ff105f75 | 2730 | dir_ftype = M_DIROPS(mp)->sf_get_ftype(sfep); |
aaca101b | 2731 | ino_ftype = get_inode_ftype(irec, ino_offset); |
2bd0ea18 | 2732 | |
aaca101b DC |
2733 | if (dir_ftype != ino_ftype) { |
2734 | if (no_modify) { | |
2735 | do_warn( | |
2736 | _("would fix ftype mismatch (%d/%d) in directory/child inode %" PRIu64 "/%" PRIu64 "\n"), | |
2737 | dir_ftype, ino_ftype, | |
2738 | ino, lino); | |
2739 | } else { | |
2740 | do_warn( | |
2741 | _("fixing ftype mismatch (%d/%d) in directory/child inode %" PRIu64 "/%" PRIu64 "\n"), | |
2742 | dir_ftype, ino_ftype, | |
2743 | ino, lino); | |
ff105f75 | 2744 | M_DIROPS(mp)->sf_put_ftype(sfep, |
aaca101b DC |
2745 | ino_ftype); |
2746 | dir_hash_update_ftype(hashtab, | |
2747 | (xfs_dir2_dataptr_t)(sfep - xfs_dir2_sf_firstentry(sfp)), | |
2748 | ino_ftype); | |
2749 | *ino_dirty = 1; | |
2750 | } | |
2bd0ea18 | 2751 | } |
aaca101b DC |
2752 | } |
2753 | ||
2754 | if (lino > XFS_DIR2_MAX_SHORT_INUM) | |
2bd0ea18 NS |
2755 | i8++; |
2756 | ||
2757 | /* | |
aaca101b DC |
2758 | * go onto next entry - we have to take entries with bad namelen |
2759 | * into account in no modify mode since we calculate size based | |
2760 | * on next_sfep. | |
2bd0ea18 NS |
2761 | */ |
2762 | ASSERT(no_modify || bad_sfnamelen == 0); | |
ee6cd73e | 2763 | next_sfep = (struct xfs_dir2_sf_entry *)((intptr_t)sfep + |
aaca101b | 2764 | (bad_sfnamelen |
ff105f75 DC |
2765 | ? M_DIROPS(mp)->sf_entsize(sfp, namelen) |
2766 | : M_DIROPS(mp)->sf_entsize(sfp, sfep->namelen))); | |
2bd0ea18 NS |
2767 | } |
2768 | ||
a354abc8 | 2769 | if (sfp->i8count != i8) { |
2bd0ea18 | 2770 | if (no_modify) { |
5d1b7f0f CH |
2771 | do_warn(_("would fix i8count in inode %" PRIu64 "\n"), |
2772 | ino); | |
2bd0ea18 NS |
2773 | } else { |
2774 | if (i8 == 0) { | |
aaca101b DC |
2775 | struct xfs_dir2_sf_entry *tmp_sfep; |
2776 | ||
2bd0ea18 | 2777 | tmp_sfep = next_sfep; |
494434d7 | 2778 | process_sf_dir2_fixi8(mp, sfp, &tmp_sfep); |
2bd0ea18 | 2779 | bytes_deleted += |
ee6cd73e CH |
2780 | (intptr_t)next_sfep - |
2781 | (intptr_t)tmp_sfep; | |
2bd0ea18 NS |
2782 | next_sfep = tmp_sfep; |
2783 | } else | |
a354abc8 | 2784 | sfp->i8count = i8; |
2bd0ea18 | 2785 | *ino_dirty = 1; |
5d1b7f0f CH |
2786 | do_warn(_("fixing i8count in inode %" PRIu64 "\n"), |
2787 | ino); | |
2bd0ea18 NS |
2788 | } |
2789 | } | |
2790 | ||
2791 | /* | |
2792 | * sync up sizes if required | |
2793 | */ | |
aaca101b | 2794 | if (*ino_dirty && bytes_deleted > 0) { |
2bd0ea18 NS |
2795 | ASSERT(!no_modify); |
2796 | libxfs_idata_realloc(ip, -bytes_deleted, XFS_DATA_FORK); | |
2797 | ip->i_d.di_size -= bytes_deleted; | |
2798 | } | |
2799 | ||
2800 | if (ip->i_d.di_size != ip->i_df.if_bytes) { | |
2801 | ASSERT(ip->i_df.if_bytes == (xfs_fsize_t) | |
ee6cd73e | 2802 | ((intptr_t) next_sfep - (intptr_t) sfp)); |
2bd0ea18 | 2803 | ip->i_d.di_size = (xfs_fsize_t) |
ee6cd73e | 2804 | ((intptr_t) next_sfep - (intptr_t) sfp); |
5d1b7f0f CH |
2805 | do_warn( |
2806 | _("setting size to %" PRId64 " bytes to reflect junked entries\n"), | |
2bd0ea18 NS |
2807 | ip->i_d.di_size); |
2808 | *ino_dirty = 1; | |
2809 | } | |
2810 | } | |
2811 | ||
2812 | /* | |
2556c98b | 2813 | * processes all reachable inodes in directories |
2bd0ea18 | 2814 | */ |
2556c98b BN |
2815 | static void |
2816 | process_dir_inode( | |
2817 | xfs_mount_t *mp, | |
575ca697 | 2818 | xfs_agnumber_t agno, |
2556c98b BN |
2819 | ino_tree_node_t *irec, |
2820 | int ino_offset) | |
2bd0ea18 | 2821 | { |
575ca697 | 2822 | xfs_ino_t ino; |
f33cea1a | 2823 | struct xfs_defer_ops dfops; |
2bd0ea18 NS |
2824 | xfs_inode_t *ip; |
2825 | xfs_trans_t *tp; | |
33165ec3 | 2826 | dir_hash_tab_t *hashtab; |
0b66d459 | 2827 | int need_dot; |
2bd0ea18 NS |
2828 | int dirty, num_illegal, error, nres; |
2829 | ||
575ca697 BN |
2830 | ino = XFS_AGINO_TO_INO(mp, agno, irec->ino_startnum + ino_offset); |
2831 | ||
2bd0ea18 | 2832 | /* |
2bd0ea18 NS |
2833 | * open up directory inode, check all entries, |
2834 | * then call prune_dir_entries to remove all | |
2835 | * remaining illegal directory entries. | |
2836 | */ | |
2837 | ||
f4ef1178 | 2838 | ASSERT(!is_inode_refchecked(irec, ino_offset) || dotdot_update); |
2bd0ea18 | 2839 | |
3452f451 | 2840 | error = -libxfs_iget(mp, NULL, ino, 0, &ip, &phase6_ifork_ops); |
2556c98b BN |
2841 | if (error) { |
2842 | if (!no_modify) | |
5d1b7f0f CH |
2843 | do_error( |
2844 | _("couldn't map inode %" PRIu64 ", err = %d\n"), | |
2556c98b BN |
2845 | ino, error); |
2846 | else { | |
5d1b7f0f CH |
2847 | do_warn( |
2848 | _("couldn't map inode %" PRIu64 ", err = %d\n"), | |
2556c98b | 2849 | ino, error); |
2bd0ea18 | 2850 | /* |
2556c98b BN |
2851 | * see below for what we're doing if this |
2852 | * is root. Why do we need to do this here? | |
2853 | * to ensure that the root doesn't show up | |
2854 | * as being disconnected in the no_modify case. | |
2bd0ea18 | 2855 | */ |
2556c98b BN |
2856 | if (mp->m_sb.sb_rootino == ino) { |
2857 | add_inode_reached(irec, 0); | |
2858 | add_inode_ref(irec, 0); | |
2859 | } | |
2bd0ea18 NS |
2860 | } |
2861 | ||
f4ef1178 | 2862 | add_inode_refchecked(irec, 0); |
2556c98b BN |
2863 | return; |
2864 | } | |
2bd0ea18 | 2865 | |
2556c98b | 2866 | need_dot = dirty = num_illegal = 0; |
64c54486 | 2867 | |
2556c98b | 2868 | if (mp->m_sb.sb_rootino == ino) { |
2bd0ea18 | 2869 | /* |
2556c98b BN |
2870 | * mark root inode reached and bump up |
2871 | * link count for root inode to account | |
2872 | * for '..' entry since the root inode is | |
2873 | * never reached by a parent. we know | |
2874 | * that root's '..' is always good -- | |
2875 | * guaranteed by phase 3 and/or below. | |
2bd0ea18 | 2876 | */ |
2556c98b BN |
2877 | add_inode_reached(irec, ino_offset); |
2878 | } | |
2879 | ||
f4ef1178 | 2880 | add_inode_refchecked(irec, ino_offset); |
2556c98b BN |
2881 | |
2882 | hashtab = dir_hash_init(ip->i_d.di_size); | |
2883 | ||
2884 | /* | |
2885 | * look for bogus entries | |
2886 | */ | |
2887 | switch (ip->i_d.di_format) { | |
2bd0ea18 NS |
2888 | case XFS_DINODE_FMT_EXTENTS: |
2889 | case XFS_DINODE_FMT_BTREE: | |
2890 | /* | |
2891 | * also check for missing '.' in longform dirs. | |
2892 | * missing .. entries are added if required when | |
2893 | * the directory is connected to lost+found. but | |
2894 | * we need to create '.' entries here. | |
2895 | */ | |
9a048535 DC |
2896 | longform_dir2_entry_check(mp, ino, ip, |
2897 | &num_illegal, &need_dot, | |
2898 | irec, ino_offset, | |
2899 | hashtab); | |
2bd0ea18 | 2900 | break; |
2556c98b | 2901 | |
2bd0ea18 | 2902 | case XFS_DINODE_FMT_LOCAL: |
2bd0ea18 NS |
2903 | /* |
2904 | * using the remove reservation is overkill | |
2905 | * since at most we'll only need to log the | |
2906 | * inode but it's easier than wedging a | |
2907 | * new define in ourselves. | |
2908 | */ | |
2909 | nres = no_modify ? 0 : XFS_REMOVE_SPACE_RES(mp); | |
9074815c CH |
2910 | error = -libxfs_trans_alloc(mp, &M_RES(mp)->tr_remove, |
2911 | nres, 0, 0, &tp); | |
2bd0ea18 NS |
2912 | if (error) |
2913 | res_failed(error); | |
2914 | ||
2915 | libxfs_trans_ijoin(tp, ip, 0); | |
2bd0ea18 | 2916 | |
9a048535 DC |
2917 | shortform_dir2_entry_check(mp, ino, ip, &dirty, |
2918 | irec, ino_offset, | |
2919 | hashtab); | |
2bd0ea18 | 2920 | |
27527004 | 2921 | ASSERT(dirty == 0 || (dirty && !no_modify)); |
2bd0ea18 NS |
2922 | if (dirty) { |
2923 | libxfs_trans_log_inode(tp, ip, | |
2924 | XFS_ILOG_CORE | XFS_ILOG_DDATA); | |
de5a3f46 | 2925 | libxfs_trans_commit(tp); |
2bd0ea18 | 2926 | } else { |
3d7434fe | 2927 | libxfs_trans_cancel(tp); |
2bd0ea18 NS |
2928 | } |
2929 | break; | |
2556c98b | 2930 | |
2bd0ea18 NS |
2931 | default: |
2932 | break; | |
2556c98b BN |
2933 | } |
2934 | dir_hash_done(hashtab); | |
2bd0ea18 | 2935 | |
2556c98b BN |
2936 | /* |
2937 | * if we have to create a .. for /, do it now *before* | |
2938 | * we delete the bogus entries, otherwise the directory | |
2939 | * could transform into a shortform dir which would | |
2940 | * probably cause the simulation to choke. Even | |
2941 | * if the illegal entries get shifted around, it's ok | |
2942 | * because the entries are structurally intact and in | |
2943 | * in hash-value order so the simulation won't get confused | |
2944 | * if it has to move them around. | |
2945 | */ | |
2946 | if (!no_modify && need_root_dotdot && ino == mp->m_sb.sb_rootino) { | |
2947 | ASSERT(ip->i_d.di_format != XFS_DINODE_FMT_LOCAL); | |
2bd0ea18 | 2948 | |
2556c98b | 2949 | do_warn(_("recreating root directory .. entry\n")); |
2bd0ea18 | 2950 | |
2556c98b | 2951 | nres = XFS_MKDIR_SPACE_RES(mp, 2); |
9074815c CH |
2952 | error = -libxfs_trans_alloc(mp, &M_RES(mp)->tr_mkdir, |
2953 | nres, 0, 0, &tp); | |
2556c98b BN |
2954 | if (error) |
2955 | res_failed(error); | |
2bd0ea18 | 2956 | |
2556c98b | 2957 | libxfs_trans_ijoin(tp, ip, 0); |
2bd0ea18 | 2958 | |
12b53197 | 2959 | error = -libxfs_dir_createname(tp, ip, &xfs_name_dotdot, |
015bc82e | 2960 | ip->i_ino, nres); |
2556c98b | 2961 | if (error) |
5d1b7f0f CH |
2962 | do_error( |
2963 | _("can't make \"..\" entry in root inode %" PRIu64 ", createname error %d\n"), ino, error); | |
2bd0ea18 | 2964 | |
2556c98b | 2965 | libxfs_trans_log_inode(tp, ip, XFS_ILOG_CORE); |
2bd0ea18 | 2966 | |
5c33baee | 2967 | libxfs_defer_ijoin(&dfops, ip); |
de5a3f46 | 2968 | libxfs_trans_commit(tp); |
2bd0ea18 | 2969 | |
2556c98b BN |
2970 | need_root_dotdot = 0; |
2971 | } else if (need_root_dotdot && ino == mp->m_sb.sb_rootino) { | |
2972 | do_warn(_("would recreate root directory .. entry\n")); | |
2973 | } | |
2bd0ea18 | 2974 | |
2556c98b BN |
2975 | /* |
2976 | * if we need to create the '.' entry, do so only if | |
ff1f79a7 | 2977 | * the directory is a longform dir. if it's been |
2556c98b BN |
2978 | * turned into a shortform dir, then the inode is ok |
2979 | * since shortform dirs have no '.' entry and the inode | |
2980 | * has already been committed by prune_lf_dir_entry(). | |
2981 | */ | |
2982 | if (need_dot) { | |
2bd0ea18 | 2983 | /* |
2556c98b BN |
2984 | * bump up our link count but don't |
2985 | * bump up the inode link count. chances | |
2986 | * are good that even though we lost '.' | |
2987 | * the inode link counts reflect '.' so | |
2988 | * leave the inode link count alone and if | |
2989 | * it turns out to be wrong, we'll catch | |
2990 | * that in phase 7. | |
2bd0ea18 | 2991 | */ |
2556c98b BN |
2992 | add_inode_ref(irec, ino_offset); |
2993 | ||
2994 | if (no_modify) { | |
5d1b7f0f CH |
2995 | do_warn( |
2996 | _("would create missing \".\" entry in dir ino %" PRIu64 "\n"), | |
2556c98b BN |
2997 | ino); |
2998 | } else if (ip->i_d.di_format != XFS_DINODE_FMT_LOCAL) { | |
2bd0ea18 | 2999 | /* |
2556c98b | 3000 | * need to create . entry in longform dir. |
2bd0ea18 | 3001 | */ |
5d1b7f0f CH |
3002 | do_warn( |
3003 | _("creating missing \".\" entry in dir ino %" PRIu64 "\n"), ino); | |
2bd0ea18 | 3004 | |
2556c98b | 3005 | nres = XFS_MKDIR_SPACE_RES(mp, 1); |
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_dot, |
015bc82e | 3014 | ip->i_ino, nres); |
5e656dbb | 3015 | if (error) |
5d1b7f0f CH |
3016 | do_error( |
3017 | _("can't make \".\" entry in dir ino %" PRIu64 ", createname error %d\n"), | |
2556c98b | 3018 | ino, error); |
2bd0ea18 | 3019 | |
2556c98b | 3020 | libxfs_trans_log_inode(tp, ip, XFS_ILOG_CORE); |
2bd0ea18 | 3021 | |
5c33baee | 3022 | libxfs_defer_ijoin(&dfops, ip); |
de5a3f46 | 3023 | libxfs_trans_commit(tp); |
2bd0ea18 | 3024 | } |
2bd0ea18 | 3025 | } |
dd2c21d2 | 3026 | IRELE(ip); |
2bd0ea18 NS |
3027 | } |
3028 | ||
3029 | /* | |
3030 | * mark realtime bitmap and summary inodes as reached. | |
3031 | * quota inode will be marked here as well | |
3032 | */ | |
8b8a6b02 | 3033 | static void |
2bd0ea18 NS |
3034 | mark_standalone_inodes(xfs_mount_t *mp) |
3035 | { | |
3036 | ino_tree_node_t *irec; | |
3037 | int offset; | |
3038 | ||
1ae311d5 | 3039 | irec = find_inode_rec(mp, XFS_INO_TO_AGNO(mp, mp->m_sb.sb_rbmino), |
2bd0ea18 NS |
3040 | XFS_INO_TO_AGINO(mp, mp->m_sb.sb_rbmino)); |
3041 | ||
2bd0ea18 NS |
3042 | offset = XFS_INO_TO_AGINO(mp, mp->m_sb.sb_rbmino) - |
3043 | irec->ino_startnum; | |
3044 | ||
3045 | add_inode_reached(irec, offset); | |
3046 | ||
1ae311d5 | 3047 | irec = find_inode_rec(mp, XFS_INO_TO_AGNO(mp, mp->m_sb.sb_rsumino), |
2bd0ea18 NS |
3048 | XFS_INO_TO_AGINO(mp, mp->m_sb.sb_rsumino)); |
3049 | ||
dfc130f3 | 3050 | offset = XFS_INO_TO_AGINO(mp, mp->m_sb.sb_rsumino) - |
2bd0ea18 NS |
3051 | irec->ino_startnum; |
3052 | ||
2bd0ea18 NS |
3053 | add_inode_reached(irec, offset); |
3054 | ||
3055 | if (fs_quotas) { | |
3056 | if (mp->m_sb.sb_uquotino | |
3057 | && mp->m_sb.sb_uquotino != NULLFSINO) { | |
1ae311d5 | 3058 | irec = find_inode_rec(mp, XFS_INO_TO_AGNO(mp, |
2bd0ea18 NS |
3059 | mp->m_sb.sb_uquotino), |
3060 | XFS_INO_TO_AGINO(mp, mp->m_sb.sb_uquotino)); | |
3061 | offset = XFS_INO_TO_AGINO(mp, mp->m_sb.sb_uquotino) | |
3062 | - irec->ino_startnum; | |
3063 | add_inode_reached(irec, offset); | |
3064 | } | |
b36eef04 NS |
3065 | if (mp->m_sb.sb_gquotino |
3066 | && mp->m_sb.sb_gquotino != NULLFSINO) { | |
1ae311d5 | 3067 | irec = find_inode_rec(mp, XFS_INO_TO_AGNO(mp, |
b36eef04 NS |
3068 | mp->m_sb.sb_gquotino), |
3069 | XFS_INO_TO_AGINO(mp, mp->m_sb.sb_gquotino)); | |
3070 | offset = XFS_INO_TO_AGINO(mp, mp->m_sb.sb_gquotino) | |
2bd0ea18 NS |
3071 | - irec->ino_startnum; |
3072 | add_inode_reached(irec, offset); | |
3073 | } | |
0340d706 CS |
3074 | if (mp->m_sb.sb_pquotino |
3075 | && mp->m_sb.sb_pquotino != NULLFSINO) { | |
3076 | irec = find_inode_rec(mp, XFS_INO_TO_AGNO(mp, | |
3077 | mp->m_sb.sb_pquotino), | |
3078 | XFS_INO_TO_AGINO(mp, mp->m_sb.sb_pquotino)); | |
3079 | offset = XFS_INO_TO_AGINO(mp, mp->m_sb.sb_pquotino) | |
3080 | - irec->ino_startnum; | |
3081 | add_inode_reached(irec, offset); | |
3082 | } | |
2bd0ea18 NS |
3083 | } |
3084 | } | |
3085 | ||
6c39a3cb BN |
3086 | static void |
3087 | check_for_orphaned_inodes( | |
3088 | xfs_mount_t *mp, | |
2556c98b | 3089 | xfs_agnumber_t agno, |
6c39a3cb BN |
3090 | ino_tree_node_t *irec) |
3091 | { | |
3092 | int i; | |
6c39a3cb BN |
3093 | xfs_ino_t ino; |
3094 | ||
3095 | for (i = 0; i < XFS_INODES_PER_CHUNK; i++) { | |
3096 | ASSERT(is_inode_confirmed(irec, i)); | |
3097 | if (is_inode_free(irec, i)) | |
3098 | continue; | |
3099 | ||
2556c98b BN |
3100 | if (is_inode_reached(irec, i)) |
3101 | continue; | |
3102 | ||
3103 | ASSERT(inode_isadir(irec, i) || | |
3104 | num_inode_references(irec, i) == 0); | |
3105 | ||
3106 | ino = XFS_AGINO_TO_INO(mp, agno, i + irec->ino_startnum); | |
3107 | if (inode_isadir(irec, i)) | |
5d1b7f0f | 3108 | do_warn(_("disconnected dir inode %" PRIu64 ", "), ino); |
2556c98b | 3109 | else |
5d1b7f0f | 3110 | do_warn(_("disconnected inode %" PRIu64 ", "), ino); |
9a048535 DC |
3111 | if (!no_modify) { |
3112 | if (!orphanage_ino) | |
2556c98b BN |
3113 | orphanage_ino = mk_orphanage(mp); |
3114 | do_warn(_("moving to %s\n"), ORPHANAGE); | |
3115 | mv_orphanage(mp, ino, inode_isadir(irec, i)); | |
3116 | } else { | |
3117 | do_warn(_("would move to %s\n"), ORPHANAGE); | |
6c39a3cb | 3118 | } |
2556c98b BN |
3119 | /* |
3120 | * for read-only case, even though the inode isn't | |
3121 | * really reachable, set the flag (and bump our link | |
3122 | * count) anyway to fool phase 7 | |
3123 | */ | |
3124 | add_inode_reached(irec, i); | |
6c39a3cb BN |
3125 | } |
3126 | } | |
3127 | ||
a1d54891 | 3128 | static void |
2556c98b | 3129 | traverse_function( |
62843f36 | 3130 | struct workqueue *wq, |
2556c98b BN |
3131 | xfs_agnumber_t agno, |
3132 | void *arg) | |
a1d54891 | 3133 | { |
2556c98b BN |
3134 | ino_tree_node_t *irec; |
3135 | int i; | |
3136 | prefetch_args_t *pf_args = arg; | |
3137 | ||
3138 | wait_for_inode_prefetch(pf_args); | |
a1d54891 MV |
3139 | |
3140 | if (verbose) | |
3141 | do_log(_(" - agno = %d\n"), agno); | |
3142 | ||
2556c98b BN |
3143 | for (irec = findfirst_inode_rec(agno); irec; irec = next_ino_rec(irec)) { |
3144 | if (irec->ino_isa_dir == 0) | |
3145 | continue; | |
a1d54891 | 3146 | |
004e18d4 | 3147 | if (pf_args) { |
2556c98b | 3148 | sem_post(&pf_args->ra_count); |
004e18d4 DC |
3149 | #ifdef XR_PF_TRACE |
3150 | sem_getvalue(&pf_args->ra_count, &i); | |
3151 | pftrace( | |
3152 | "processing inode chunk %p in AG %d (sem count = %d)", | |
3153 | irec, agno, i); | |
3154 | #endif | |
3155 | } | |
a1d54891 | 3156 | |
2556c98b BN |
3157 | for (i = 0; i < XFS_INODES_PER_CHUNK; i++) { |
3158 | if (inode_isadir(irec, i)) | |
62843f36 | 3159 | process_dir_inode(wq->wq_ctx, agno, irec, i); |
a1d54891 | 3160 | } |
a1d54891 | 3161 | } |
2556c98b | 3162 | cleanup_inode_prefetch(pf_args); |
a1d54891 MV |
3163 | } |
3164 | ||
575ca697 BN |
3165 | static void |
3166 | update_missing_dotdot_entries( | |
3167 | xfs_mount_t *mp) | |
3168 | { | |
3169 | dotdot_update_t *dir; | |
3170 | ||
3171 | /* | |
3172 | * these entries parents were updated, rebuild them again | |
3173 | * set dotdot_update flag so processing routines do not count links | |
3174 | */ | |
3175 | dotdot_update = 1; | |
1177f669 DC |
3176 | while (!list_empty(&dotdot_update_list)) { |
3177 | dir = list_entry(dotdot_update_list.prev, struct dotdot_update, | |
3178 | list); | |
3179 | list_del(&dir->list); | |
575ca697 BN |
3180 | process_dir_inode(mp, dir->agno, dir->irec, dir->ino_offset); |
3181 | free(dir); | |
3182 | } | |
3183 | } | |
3184 | ||
a1d54891 | 3185 | static void |
2556c98b | 3186 | traverse_ags( |
1164bde5 | 3187 | struct xfs_mount *mp) |
a1d54891 | 3188 | { |
1164bde5 | 3189 | do_inode_prefetch(mp, 0, traverse_function, false, true); |
a1d54891 MV |
3190 | } |
3191 | ||
2bd0ea18 NS |
3192 | void |
3193 | phase6(xfs_mount_t *mp) | |
3194 | { | |
2bd0ea18 | 3195 | ino_tree_node_t *irec; |
2bd0ea18 | 3196 | int i; |
2bd0ea18 | 3197 | |
dab9b8d6 BN |
3198 | memset(&zerocr, 0, sizeof(struct cred)); |
3199 | memset(&zerofsx, 0, sizeof(struct fsxattr)); | |
6c39a3cb | 3200 | orphanage_ino = 0; |
2bd0ea18 | 3201 | |
507f4e33 | 3202 | do_log(_("Phase 6 - check inode connectivity...\n")); |
2bd0ea18 | 3203 | |
2bd0ea18 NS |
3204 | incore_ext_teardown(mp); |
3205 | ||
0f012a4c | 3206 | add_ino_ex_data(mp); |
2bd0ea18 NS |
3207 | |
3208 | /* | |
3209 | * verify existence of root directory - if we have to | |
3210 | * make one, it's ok for the incore data structs not to | |
3211 | * know about it since everything about it (and the other | |
3212 | * inodes in its chunk if a new chunk was created) are ok | |
3213 | */ | |
3214 | if (need_root_inode) { | |
9a048535 | 3215 | if (!no_modify) { |
507f4e33 | 3216 | do_warn(_("reinitializing root directory\n")); |
2bd0ea18 NS |
3217 | mk_root_dir(mp); |
3218 | need_root_inode = 0; | |
3219 | need_root_dotdot = 0; | |
3220 | } else { | |
507f4e33 | 3221 | do_warn(_("would reinitialize root directory\n")); |
2bd0ea18 NS |
3222 | } |
3223 | } | |
3224 | ||
3225 | if (need_rbmino) { | |
3226 | if (!no_modify) { | |
507f4e33 | 3227 | do_warn(_("reinitializing realtime bitmap inode\n")); |
2bd0ea18 NS |
3228 | mk_rbmino(mp); |
3229 | need_rbmino = 0; | |
3230 | } else { | |
507f4e33 | 3231 | do_warn(_("would reinitialize realtime bitmap inode\n")); |
2bd0ea18 NS |
3232 | } |
3233 | } | |
3234 | ||
3235 | if (need_rsumino) { | |
3236 | if (!no_modify) { | |
507f4e33 | 3237 | do_warn(_("reinitializing realtime summary inode\n")); |
2bd0ea18 NS |
3238 | mk_rsumino(mp); |
3239 | need_rsumino = 0; | |
3240 | } else { | |
507f4e33 | 3241 | do_warn(_("would reinitialize realtime summary inode\n")); |
2bd0ea18 NS |
3242 | } |
3243 | } | |
3244 | ||
3245 | if (!no_modify) { | |
3246 | do_log( | |
507f4e33 | 3247 | _(" - resetting contents of realtime bitmap and summary inodes\n")); |
2bd0ea18 NS |
3248 | if (fill_rbmino(mp)) { |
3249 | do_warn( | |
507f4e33 | 3250 | _("Warning: realtime bitmap may be inconsistent\n")); |
2bd0ea18 NS |
3251 | } |
3252 | ||
3253 | if (fill_rsumino(mp)) { | |
3254 | do_warn( | |
507f4e33 | 3255 | _("Warning: realtime bitmap may be inconsistent\n")); |
2bd0ea18 NS |
3256 | } |
3257 | } | |
3258 | ||
2bd0ea18 NS |
3259 | mark_standalone_inodes(mp); |
3260 | ||
69ec88b5 | 3261 | do_log(_(" - traversing filesystem ...\n")); |
2bd0ea18 | 3262 | |
1ae311d5 | 3263 | irec = find_inode_rec(mp, XFS_INO_TO_AGNO(mp, mp->m_sb.sb_rootino), |
2bd0ea18 NS |
3264 | XFS_INO_TO_AGINO(mp, mp->m_sb.sb_rootino)); |
3265 | ||
3266 | /* | |
3267 | * we always have a root inode, even if it's free... | |
3268 | * if the root is free, forget it, lost+found is already gone | |
3269 | */ | |
3270 | if (is_inode_free(irec, 0) || !inode_isadir(irec, 0)) { | |
3271 | need_root_inode = 1; | |
3272 | } | |
3273 | ||
3274 | /* | |
2556c98b | 3275 | * then process all inodes by walking incore inode tree |
2bd0ea18 | 3276 | */ |
2556c98b | 3277 | traverse_ags(mp); |
2bd0ea18 | 3278 | |
575ca697 BN |
3279 | /* |
3280 | * any directories that had updated ".." entries, rebuild them now | |
3281 | */ | |
3282 | update_missing_dotdot_entries(mp); | |
3283 | ||
69ec88b5 BN |
3284 | do_log(_(" - traversal finished ...\n")); |
3285 | do_log(_(" - moving disconnected inodes to %s ...\n"), | |
6c39a3cb | 3286 | ORPHANAGE); |
2bd0ea18 NS |
3287 | |
3288 | /* | |
3289 | * move all disconnected inodes to the orphanage | |
3290 | */ | |
3291 | for (i = 0; i < glob_agcount; i++) { | |
3292 | irec = findfirst_inode_rec(i); | |
2bd0ea18 | 3293 | while (irec != NULL) { |
2556c98b | 3294 | check_for_orphaned_inodes(mp, i, irec); |
2bd0ea18 NS |
3295 | irec = next_ino_rec(irec); |
3296 | } | |
3297 | } | |
3298 | } |