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ccd979bd MF |
1 | /* -*- mode: c; c-basic-offset: 8; -*- |
2 | * vim: noexpandtab sw=8 ts=8 sts=0: | |
3 | * | |
4 | * namei.c | |
5 | * | |
6 | * Create and rename file, directory, symlinks | |
7 | * | |
8 | * Copyright (C) 2002, 2004 Oracle. All rights reserved. | |
9 | * | |
10 | * Portions of this code from linux/fs/ext3/dir.c | |
11 | * | |
12 | * Copyright (C) 1992, 1993, 1994, 1995 | |
13 | * Remy Card (card@masi.ibp.fr) | |
14 | * Laboratoire MASI - Institut Blaise pascal | |
15 | * Universite Pierre et Marie Curie (Paris VI) | |
16 | * | |
17 | * from | |
18 | * | |
19 | * linux/fs/minix/dir.c | |
20 | * | |
21 | * Copyright (C) 1991, 1992 Linux Torvalds | |
22 | * | |
23 | * This program is free software; you can redistribute it and/or | |
24 | * modify it under the terms of the GNU General Public | |
25 | * License as published by the Free Software Foundation; either | |
26 | * version 2 of the License, or (at your option) any later version. | |
27 | * | |
28 | * This program is distributed in the hope that it will be useful, | |
29 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
30 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
31 | * General Public License for more details. | |
32 | * | |
33 | * You should have received a copy of the GNU General Public | |
34 | * License along with this program; if not, write to the | |
35 | * Free Software Foundation, Inc., 59 Temple Place - Suite 330, | |
36 | * Boston, MA 021110-1307, USA. | |
37 | */ | |
38 | ||
39 | #include <linux/fs.h> | |
40 | #include <linux/types.h> | |
41 | #include <linux/slab.h> | |
42 | #include <linux/highmem.h> | |
a90714c1 | 43 | #include <linux/quotaops.h> |
ccd979bd MF |
44 | |
45 | #define MLOG_MASK_PREFIX ML_NAMEI | |
46 | #include <cluster/masklog.h> | |
47 | ||
48 | #include "ocfs2.h" | |
49 | ||
50 | #include "alloc.h" | |
51 | #include "dcache.h" | |
52 | #include "dir.h" | |
53 | #include "dlmglue.h" | |
54 | #include "extent_map.h" | |
55 | #include "file.h" | |
56 | #include "inode.h" | |
57 | #include "journal.h" | |
58 | #include "namei.h" | |
59 | #include "suballoc.h" | |
aa958874 | 60 | #include "super.h" |
ccd979bd MF |
61 | #include "symlink.h" |
62 | #include "sysfile.h" | |
63 | #include "uptodate.h" | |
cf1d6c76 | 64 | #include "xattr.h" |
89c38bd0 | 65 | #include "acl.h" |
ccd979bd MF |
66 | |
67 | #include "buffer_head_io.h" | |
68 | ||
ccd979bd MF |
69 | static int ocfs2_mknod_locked(struct ocfs2_super *osb, |
70 | struct inode *dir, | |
f5d36202 TY |
71 | struct inode *inode, |
72 | struct dentry *dentry, | |
ccd979bd MF |
73 | dev_t dev, |
74 | struct buffer_head **new_fe_bh, | |
75 | struct buffer_head *parent_fe_bh, | |
1fabe148 | 76 | handle_t *handle, |
ccd979bd MF |
77 | struct ocfs2_alloc_context *inode_ac); |
78 | ||
ccd979bd | 79 | static int ocfs2_prepare_orphan_dir(struct ocfs2_super *osb, |
5098c27b | 80 | struct inode **ret_orphan_dir, |
ccd979bd MF |
81 | struct inode *inode, |
82 | char *name, | |
4a12ca3a | 83 | struct ocfs2_dir_lookup_result *lookup); |
ccd979bd MF |
84 | |
85 | static int ocfs2_orphan_add(struct ocfs2_super *osb, | |
1fabe148 | 86 | handle_t *handle, |
ccd979bd MF |
87 | struct inode *inode, |
88 | struct ocfs2_dinode *fe, | |
89 | char *name, | |
4a12ca3a | 90 | struct ocfs2_dir_lookup_result *lookup, |
5098c27b | 91 | struct inode *orphan_dir_inode); |
ccd979bd MF |
92 | |
93 | static int ocfs2_create_symlink_data(struct ocfs2_super *osb, | |
1fabe148 | 94 | handle_t *handle, |
ccd979bd MF |
95 | struct inode *inode, |
96 | const char *symname); | |
97 | ||
ccd979bd MF |
98 | /* An orphan dir name is an 8 byte value, printed as a hex string */ |
99 | #define OCFS2_ORPHAN_NAMELEN ((int)(2 * sizeof(u64))) | |
100 | ||
101 | static struct dentry *ocfs2_lookup(struct inode *dir, struct dentry *dentry, | |
102 | struct nameidata *nd) | |
103 | { | |
104 | int status; | |
105 | u64 blkno; | |
ccd979bd MF |
106 | struct inode *inode = NULL; |
107 | struct dentry *ret; | |
ccd979bd MF |
108 | struct ocfs2_inode_info *oi; |
109 | ||
110 | mlog_entry("(0x%p, 0x%p, '%.*s')\n", dir, dentry, | |
111 | dentry->d_name.len, dentry->d_name.name); | |
112 | ||
113 | if (dentry->d_name.len > OCFS2_MAX_FILENAME_LEN) { | |
114 | ret = ERR_PTR(-ENAMETOOLONG); | |
115 | goto bail; | |
116 | } | |
117 | ||
b0697053 MF |
118 | mlog(0, "find name %.*s in directory %llu\n", dentry->d_name.len, |
119 | dentry->d_name.name, (unsigned long long)OCFS2_I(dir)->ip_blkno); | |
ccd979bd | 120 | |
e63aecb6 | 121 | status = ocfs2_inode_lock(dir, NULL, 0); |
ccd979bd MF |
122 | if (status < 0) { |
123 | if (status != -ENOENT) | |
124 | mlog_errno(status); | |
125 | ret = ERR_PTR(status); | |
126 | goto bail; | |
127 | } | |
128 | ||
be94d117 MF |
129 | status = ocfs2_lookup_ino_from_name(dir, dentry->d_name.name, |
130 | dentry->d_name.len, &blkno); | |
ccd979bd MF |
131 | if (status < 0) |
132 | goto bail_add; | |
133 | ||
5fa0613e | 134 | inode = ocfs2_iget(OCFS2_SB(dir->i_sb), blkno, 0, 0); |
ccd979bd | 135 | if (IS_ERR(inode)) { |
ccd979bd MF |
136 | ret = ERR_PTR(-EACCES); |
137 | goto bail_unlock; | |
138 | } | |
139 | ||
140 | oi = OCFS2_I(inode); | |
141 | /* Clear any orphaned state... If we were able to look up the | |
142 | * inode from a directory, it certainly can't be orphaned. We | |
143 | * might have the bad state from a node which intended to | |
144 | * orphan this inode but crashed before it could commit the | |
145 | * unlink. */ | |
146 | spin_lock(&oi->ip_lock); | |
147 | oi->ip_flags &= ~OCFS2_INODE_MAYBE_ORPHANED; | |
ccd979bd MF |
148 | spin_unlock(&oi->ip_lock); |
149 | ||
150 | bail_add: | |
ccd979bd MF |
151 | dentry->d_op = &ocfs2_dentry_ops; |
152 | ret = d_splice_alias(inode, dentry); | |
153 | ||
379dfe9d MF |
154 | if (inode) { |
155 | /* | |
156 | * If d_splice_alias() finds a DCACHE_DISCONNECTED | |
157 | * dentry, it will d_move() it on top of ourse. The | |
158 | * return value will indicate this however, so in | |
159 | * those cases, we switch them around for the locking | |
160 | * code. | |
161 | * | |
162 | * NOTE: This dentry already has ->d_op set from | |
163 | * ocfs2_get_parent() and ocfs2_get_dentry() | |
164 | */ | |
165 | if (ret) | |
166 | dentry = ret; | |
167 | ||
168 | status = ocfs2_dentry_attach_lock(dentry, inode, | |
0027dd5b | 169 | OCFS2_I(dir)->ip_blkno); |
379dfe9d MF |
170 | if (status) { |
171 | mlog_errno(status); | |
172 | ret = ERR_PTR(status); | |
173 | goto bail_unlock; | |
174 | } | |
175 | } | |
176 | ||
ccd979bd MF |
177 | bail_unlock: |
178 | /* Don't drop the cluster lock until *after* the d_add -- | |
179 | * unlink on another node will message us to remove that | |
180 | * dentry under this lock so otherwise we can race this with | |
34d024f8 | 181 | * the downconvert thread and have a stale dentry. */ |
e63aecb6 | 182 | ocfs2_inode_unlock(dir, 0); |
ccd979bd MF |
183 | |
184 | bail: | |
ccd979bd MF |
185 | |
186 | mlog_exit_ptr(ret); | |
187 | ||
188 | return ret; | |
189 | } | |
190 | ||
f5d36202 TY |
191 | static struct inode *ocfs2_get_init_inode(struct inode *dir, int mode) |
192 | { | |
193 | struct inode *inode; | |
194 | ||
195 | inode = new_inode(dir->i_sb); | |
196 | if (!inode) { | |
197 | mlog(ML_ERROR, "new_inode failed!\n"); | |
198 | return NULL; | |
199 | } | |
200 | ||
201 | /* populate as many fields early on as possible - many of | |
202 | * these are used by the support functions here and in | |
203 | * callers. */ | |
204 | if (S_ISDIR(mode)) | |
205 | inode->i_nlink = 2; | |
206 | else | |
207 | inode->i_nlink = 1; | |
208 | inode->i_uid = current_fsuid(); | |
209 | if (dir->i_mode & S_ISGID) { | |
210 | inode->i_gid = dir->i_gid; | |
211 | if (S_ISDIR(mode)) | |
212 | mode |= S_ISGID; | |
213 | } else | |
214 | inode->i_gid = current_fsgid(); | |
215 | inode->i_mode = mode; | |
a90714c1 | 216 | vfs_dq_init(inode); |
f5d36202 TY |
217 | return inode; |
218 | } | |
219 | ||
ccd979bd MF |
220 | static int ocfs2_mknod(struct inode *dir, |
221 | struct dentry *dentry, | |
222 | int mode, | |
223 | dev_t dev) | |
224 | { | |
225 | int status = 0; | |
226 | struct buffer_head *parent_fe_bh = NULL; | |
1fabe148 | 227 | handle_t *handle = NULL; |
ccd979bd MF |
228 | struct ocfs2_super *osb; |
229 | struct ocfs2_dinode *dirfe; | |
230 | struct buffer_head *new_fe_bh = NULL; | |
ccd979bd MF |
231 | struct inode *inode = NULL; |
232 | struct ocfs2_alloc_context *inode_ac = NULL; | |
233 | struct ocfs2_alloc_context *data_ac = NULL; | |
9b7895ef | 234 | struct ocfs2_alloc_context *meta_ac = NULL; |
534eaddd | 235 | int want_clusters = 0; |
9b7895ef | 236 | int want_meta = 0; |
534eaddd TY |
237 | int xattr_credits = 0; |
238 | struct ocfs2_security_xattr_info si = { | |
239 | .enable = 1, | |
240 | }; | |
a90714c1 | 241 | int did_quota_inode = 0; |
4a12ca3a | 242 | struct ocfs2_dir_lookup_result lookup = { NULL, }; |
ccd979bd MF |
243 | |
244 | mlog_entry("(0x%p, 0x%p, %d, %lu, '%.*s')\n", dir, dentry, mode, | |
245 | (unsigned long)dev, dentry->d_name.len, | |
246 | dentry->d_name.name); | |
247 | ||
248 | /* get our super block */ | |
249 | osb = OCFS2_SB(dir->i_sb); | |
250 | ||
e63aecb6 | 251 | status = ocfs2_inode_lock(dir, &parent_fe_bh, 1); |
e3a82138 MF |
252 | if (status < 0) { |
253 | if (status != -ENOENT) | |
254 | mlog_errno(status); | |
255 | return status; | |
256 | } | |
257 | ||
a663e305 MF |
258 | if (S_ISDIR(mode) && (dir->i_nlink >= OCFS2_LINK_MAX)) { |
259 | status = -EMLINK; | |
260 | goto leave; | |
261 | } | |
262 | ||
ccd979bd MF |
263 | dirfe = (struct ocfs2_dinode *) parent_fe_bh->b_data; |
264 | if (!dirfe->i_links_count) { | |
265 | /* can't make a file in a deleted directory. */ | |
266 | status = -ENOENT; | |
267 | goto leave; | |
268 | } | |
269 | ||
270 | status = ocfs2_check_dir_for_entry(dir, dentry->d_name.name, | |
271 | dentry->d_name.len); | |
272 | if (status) | |
273 | goto leave; | |
274 | ||
275 | /* get a spot inside the dir. */ | |
276 | status = ocfs2_prepare_dir_for_insert(osb, dir, parent_fe_bh, | |
277 | dentry->d_name.name, | |
4a12ca3a | 278 | dentry->d_name.len, &lookup); |
ccd979bd MF |
279 | if (status < 0) { |
280 | mlog_errno(status); | |
281 | goto leave; | |
282 | } | |
283 | ||
284 | /* reserve an inode spot */ | |
da5cbf2f | 285 | status = ocfs2_reserve_new_inode(osb, &inode_ac); |
ccd979bd MF |
286 | if (status < 0) { |
287 | if (status != -ENOSPC) | |
288 | mlog_errno(status); | |
289 | goto leave; | |
290 | } | |
291 | ||
f5d36202 TY |
292 | inode = ocfs2_get_init_inode(dir, mode); |
293 | if (!inode) { | |
294 | status = -ENOMEM; | |
295 | mlog_errno(status); | |
296 | goto leave; | |
297 | } | |
298 | ||
534eaddd TY |
299 | /* get security xattr */ |
300 | status = ocfs2_init_security_get(inode, dir, &si); | |
301 | if (status) { | |
302 | if (status == -EOPNOTSUPP) | |
303 | si.enable = 0; | |
304 | else { | |
305 | mlog_errno(status); | |
306 | goto leave; | |
307 | } | |
308 | } | |
309 | ||
89c38bd0 TY |
310 | /* calculate meta data/clusters for setting security and acl xattr */ |
311 | status = ocfs2_calc_xattr_init(dir, parent_fe_bh, mode, | |
9b7895ef MF |
312 | &si, &want_clusters, |
313 | &xattr_credits, &want_meta); | |
89c38bd0 TY |
314 | if (status < 0) { |
315 | mlog_errno(status); | |
316 | goto leave; | |
ccd979bd MF |
317 | } |
318 | ||
534eaddd | 319 | /* Reserve a cluster if creating an extent based directory. */ |
9b7895ef | 320 | if (S_ISDIR(mode) && !ocfs2_supports_inline_data(osb)) { |
534eaddd TY |
321 | want_clusters += 1; |
322 | ||
9b7895ef MF |
323 | /* Dir indexing requires extra space as well */ |
324 | if (ocfs2_supports_indexed_dirs(osb)) { | |
325 | want_clusters++; | |
326 | want_meta++; | |
327 | } | |
328 | } | |
329 | ||
330 | status = ocfs2_reserve_new_metadata_blocks(osb, want_meta, &meta_ac); | |
331 | if (status < 0) { | |
332 | if (status != -ENOSPC) | |
333 | mlog_errno(status); | |
334 | goto leave; | |
335 | } | |
336 | ||
534eaddd TY |
337 | status = ocfs2_reserve_clusters(osb, want_clusters, &data_ac); |
338 | if (status < 0) { | |
339 | if (status != -ENOSPC) | |
340 | mlog_errno(status); | |
341 | goto leave; | |
342 | } | |
343 | ||
9b7895ef MF |
344 | handle = ocfs2_start_trans(osb, ocfs2_mknod_credits(osb->sb, |
345 | S_ISDIR(mode), | |
346 | xattr_credits)); | |
ccd979bd MF |
347 | if (IS_ERR(handle)) { |
348 | status = PTR_ERR(handle); | |
349 | handle = NULL; | |
350 | mlog_errno(status); | |
351 | goto leave; | |
352 | } | |
353 | ||
a90714c1 JK |
354 | /* We don't use standard VFS wrapper because we don't want vfs_dq_init |
355 | * to be called. */ | |
356 | if (sb_any_quota_active(osb->sb) && | |
357 | osb->sb->dq_op->alloc_inode(inode, 1) == NO_QUOTA) { | |
358 | status = -EDQUOT; | |
359 | goto leave; | |
360 | } | |
361 | did_quota_inode = 1; | |
362 | ||
ccd979bd | 363 | /* do the real work now. */ |
f5d36202 | 364 | status = ocfs2_mknod_locked(osb, dir, inode, dentry, dev, |
ccd979bd | 365 | &new_fe_bh, parent_fe_bh, handle, |
f5d36202 | 366 | inode_ac); |
ccd979bd MF |
367 | if (status < 0) { |
368 | mlog_errno(status); | |
369 | goto leave; | |
370 | } | |
371 | ||
372 | if (S_ISDIR(mode)) { | |
373 | status = ocfs2_fill_new_dir(osb, handle, dir, inode, | |
9b7895ef | 374 | new_fe_bh, data_ac, meta_ac); |
ccd979bd MF |
375 | if (status < 0) { |
376 | mlog_errno(status); | |
377 | goto leave; | |
378 | } | |
379 | ||
13723d00 JB |
380 | status = ocfs2_journal_access_di(handle, dir, parent_fe_bh, |
381 | OCFS2_JOURNAL_ACCESS_WRITE); | |
ccd979bd MF |
382 | if (status < 0) { |
383 | mlog_errno(status); | |
384 | goto leave; | |
385 | } | |
386 | le16_add_cpu(&dirfe->i_links_count, 1); | |
387 | status = ocfs2_journal_dirty(handle, parent_fe_bh); | |
388 | if (status < 0) { | |
389 | mlog_errno(status); | |
390 | goto leave; | |
391 | } | |
d8c76e6f | 392 | inc_nlink(dir); |
ccd979bd MF |
393 | } |
394 | ||
89c38bd0 | 395 | status = ocfs2_init_acl(handle, inode, dir, new_fe_bh, parent_fe_bh, |
9b7895ef | 396 | meta_ac, data_ac); |
89c38bd0 TY |
397 | if (status < 0) { |
398 | mlog_errno(status); | |
399 | goto leave; | |
400 | } | |
401 | ||
534eaddd TY |
402 | if (si.enable) { |
403 | status = ocfs2_init_security_set(handle, inode, new_fe_bh, &si, | |
9b7895ef | 404 | meta_ac, data_ac); |
534eaddd TY |
405 | if (status < 0) { |
406 | mlog_errno(status); | |
407 | goto leave; | |
408 | } | |
409 | } | |
410 | ||
ccd979bd MF |
411 | status = ocfs2_add_entry(handle, dentry, inode, |
412 | OCFS2_I(inode)->ip_blkno, parent_fe_bh, | |
4a12ca3a | 413 | &lookup); |
ccd979bd MF |
414 | if (status < 0) { |
415 | mlog_errno(status); | |
416 | goto leave; | |
417 | } | |
418 | ||
379dfe9d | 419 | status = ocfs2_dentry_attach_lock(dentry, inode, |
0027dd5b | 420 | OCFS2_I(dir)->ip_blkno); |
379dfe9d MF |
421 | if (status) { |
422 | mlog_errno(status); | |
423 | goto leave; | |
424 | } | |
425 | ||
ccd979bd MF |
426 | insert_inode_hash(inode); |
427 | dentry->d_op = &ocfs2_dentry_ops; | |
428 | d_instantiate(dentry, inode); | |
429 | status = 0; | |
430 | leave: | |
a90714c1 JK |
431 | if (status < 0 && did_quota_inode) |
432 | vfs_dq_free_inode(inode); | |
ccd979bd | 433 | if (handle) |
02dc1af4 | 434 | ocfs2_commit_trans(osb, handle); |
ccd979bd | 435 | |
e63aecb6 | 436 | ocfs2_inode_unlock(dir, 1); |
e3a82138 | 437 | |
ccd979bd MF |
438 | if (status == -ENOSPC) |
439 | mlog(0, "Disk is full\n"); | |
440 | ||
a81cb88b | 441 | brelse(new_fe_bh); |
a81cb88b | 442 | brelse(parent_fe_bh); |
534eaddd TY |
443 | kfree(si.name); |
444 | kfree(si.value); | |
ccd979bd | 445 | |
4a12ca3a MF |
446 | ocfs2_free_dir_lookup_result(&lookup); |
447 | ||
f5d36202 TY |
448 | if ((status < 0) && inode) { |
449 | clear_nlink(inode); | |
ccd979bd | 450 | iput(inode); |
f5d36202 | 451 | } |
ccd979bd MF |
452 | |
453 | if (inode_ac) | |
454 | ocfs2_free_alloc_context(inode_ac); | |
455 | ||
456 | if (data_ac) | |
457 | ocfs2_free_alloc_context(data_ac); | |
458 | ||
9b7895ef MF |
459 | if (meta_ac) |
460 | ocfs2_free_alloc_context(meta_ac); | |
534eaddd | 461 | |
ccd979bd MF |
462 | mlog_exit(status); |
463 | ||
464 | return status; | |
465 | } | |
466 | ||
467 | static int ocfs2_mknod_locked(struct ocfs2_super *osb, | |
468 | struct inode *dir, | |
f5d36202 TY |
469 | struct inode *inode, |
470 | struct dentry *dentry, | |
ccd979bd MF |
471 | dev_t dev, |
472 | struct buffer_head **new_fe_bh, | |
473 | struct buffer_head *parent_fe_bh, | |
1fabe148 | 474 | handle_t *handle, |
ccd979bd MF |
475 | struct ocfs2_alloc_context *inode_ac) |
476 | { | |
477 | int status = 0; | |
478 | struct ocfs2_dinode *fe = NULL; | |
479 | struct ocfs2_extent_list *fel; | |
480 | u64 fe_blkno = 0; | |
481 | u16 suballoc_bit; | |
9b7895ef | 482 | u16 feat; |
ccd979bd | 483 | |
f5d36202 TY |
484 | mlog_entry("(0x%p, 0x%p, %d, %lu, '%.*s')\n", dir, dentry, |
485 | inode->i_mode, (unsigned long)dev, dentry->d_name.len, | |
ccd979bd MF |
486 | dentry->d_name.name); |
487 | ||
488 | *new_fe_bh = NULL; | |
ccd979bd MF |
489 | |
490 | status = ocfs2_claim_new_inode(osb, handle, inode_ac, &suballoc_bit, | |
491 | &fe_blkno); | |
492 | if (status < 0) { | |
493 | mlog_errno(status); | |
494 | goto leave; | |
495 | } | |
496 | ||
ccd979bd MF |
497 | /* populate as many fields early on as possible - many of |
498 | * these are used by the support functions here and in | |
499 | * callers. */ | |
500 | inode->i_ino = ino_from_blkno(osb->sb, fe_blkno); | |
501 | OCFS2_I(inode)->ip_blkno = fe_blkno; | |
ccd979bd MF |
502 | spin_lock(&osb->osb_lock); |
503 | inode->i_generation = osb->s_next_generation++; | |
504 | spin_unlock(&osb->osb_lock); | |
505 | ||
506 | *new_fe_bh = sb_getblk(osb->sb, fe_blkno); | |
507 | if (!*new_fe_bh) { | |
508 | status = -EIO; | |
509 | mlog_errno(status); | |
510 | goto leave; | |
511 | } | |
512 | ocfs2_set_new_buffer_uptodate(inode, *new_fe_bh); | |
513 | ||
13723d00 JB |
514 | status = ocfs2_journal_access_di(handle, inode, *new_fe_bh, |
515 | OCFS2_JOURNAL_ACCESS_CREATE); | |
ccd979bd MF |
516 | if (status < 0) { |
517 | mlog_errno(status); | |
518 | goto leave; | |
519 | } | |
520 | ||
521 | fe = (struct ocfs2_dinode *) (*new_fe_bh)->b_data; | |
522 | memset(fe, 0, osb->sb->s_blocksize); | |
523 | ||
524 | fe->i_generation = cpu_to_le32(inode->i_generation); | |
525 | fe->i_fs_generation = cpu_to_le32(osb->fs_generation); | |
526 | fe->i_blkno = cpu_to_le64(fe_blkno); | |
527 | fe->i_suballoc_bit = cpu_to_le16(suballoc_bit); | |
4d0ddb2c | 528 | fe->i_suballoc_slot = cpu_to_le16(inode_ac->ac_alloc_slot); |
f5d36202 TY |
529 | fe->i_uid = cpu_to_le32(inode->i_uid); |
530 | fe->i_gid = cpu_to_le32(inode->i_gid); | |
531 | fe->i_mode = cpu_to_le16(inode->i_mode); | |
532 | if (S_ISCHR(inode->i_mode) || S_ISBLK(inode->i_mode)) | |
ccd979bd | 533 | fe->id1.dev1.i_rdev = cpu_to_le64(huge_encode_dev(dev)); |
ccd979bd MF |
534 | fe->i_links_count = cpu_to_le16(inode->i_nlink); |
535 | ||
536 | fe->i_last_eb_blk = 0; | |
537 | strcpy(fe->i_signature, OCFS2_INODE_SIGNATURE); | |
538 | le32_add_cpu(&fe->i_flags, OCFS2_VALID_FL); | |
539 | fe->i_atime = fe->i_ctime = fe->i_mtime = | |
540 | cpu_to_le64(CURRENT_TIME.tv_sec); | |
541 | fe->i_mtime_nsec = fe->i_ctime_nsec = fe->i_atime_nsec = | |
542 | cpu_to_le32(CURRENT_TIME.tv_nsec); | |
543 | fe->i_dtime = 0; | |
544 | ||
5b6a3a2b | 545 | /* |
9b7895ef MF |
546 | * If supported, directories start with inline data. If inline |
547 | * isn't supported, but indexing is, we start them as indexed. | |
5b6a3a2b | 548 | */ |
9b7895ef | 549 | feat = le16_to_cpu(fe->i_dyn_features); |
f5d36202 | 550 | if (S_ISDIR(inode->i_mode) && ocfs2_supports_inline_data(osb)) { |
5b6a3a2b MF |
551 | fe->i_dyn_features = cpu_to_le16(feat | OCFS2_INLINE_DATA_FL); |
552 | ||
d9ae49d6 TY |
553 | fe->id2.i_data.id_count = cpu_to_le16( |
554 | ocfs2_max_inline_data_with_xattr(osb->sb, fe)); | |
5b6a3a2b MF |
555 | } else { |
556 | fel = &fe->id2.i_list; | |
557 | fel->l_tree_depth = 0; | |
558 | fel->l_next_free_rec = 0; | |
559 | fel->l_count = cpu_to_le16(ocfs2_extent_recs_per_inode(osb->sb)); | |
560 | } | |
ccd979bd MF |
561 | |
562 | status = ocfs2_journal_dirty(handle, *new_fe_bh); | |
563 | if (status < 0) { | |
564 | mlog_errno(status); | |
565 | goto leave; | |
566 | } | |
567 | ||
b657c95c | 568 | ocfs2_populate_inode(inode, fe, 1); |
ccd979bd | 569 | ocfs2_inode_set_new(osb, inode); |
c271c5c2 SM |
570 | if (!ocfs2_mount_local(osb)) { |
571 | status = ocfs2_create_new_inode_locks(inode); | |
572 | if (status < 0) | |
573 | mlog_errno(status); | |
574 | } | |
ccd979bd MF |
575 | |
576 | status = 0; /* error in ocfs2_create_new_inode_locks is not | |
577 | * critical */ | |
578 | ||
ccd979bd MF |
579 | leave: |
580 | if (status < 0) { | |
581 | if (*new_fe_bh) { | |
582 | brelse(*new_fe_bh); | |
583 | *new_fe_bh = NULL; | |
584 | } | |
ccd979bd MF |
585 | } |
586 | ||
587 | mlog_exit(status); | |
588 | return status; | |
589 | } | |
590 | ||
591 | static int ocfs2_mkdir(struct inode *dir, | |
592 | struct dentry *dentry, | |
593 | int mode) | |
594 | { | |
595 | int ret; | |
596 | ||
597 | mlog_entry("(0x%p, 0x%p, %d, '%.*s')\n", dir, dentry, mode, | |
598 | dentry->d_name.len, dentry->d_name.name); | |
599 | ret = ocfs2_mknod(dir, dentry, mode | S_IFDIR, 0); | |
600 | mlog_exit(ret); | |
601 | ||
602 | return ret; | |
603 | } | |
604 | ||
605 | static int ocfs2_create(struct inode *dir, | |
606 | struct dentry *dentry, | |
607 | int mode, | |
608 | struct nameidata *nd) | |
609 | { | |
610 | int ret; | |
611 | ||
612 | mlog_entry("(0x%p, 0x%p, %d, '%.*s')\n", dir, dentry, mode, | |
613 | dentry->d_name.len, dentry->d_name.name); | |
614 | ret = ocfs2_mknod(dir, dentry, mode | S_IFREG, 0); | |
615 | mlog_exit(ret); | |
616 | ||
617 | return ret; | |
618 | } | |
619 | ||
620 | static int ocfs2_link(struct dentry *old_dentry, | |
621 | struct inode *dir, | |
622 | struct dentry *dentry) | |
623 | { | |
1fabe148 | 624 | handle_t *handle; |
ccd979bd MF |
625 | struct inode *inode = old_dentry->d_inode; |
626 | int err; | |
627 | struct buffer_head *fe_bh = NULL; | |
628 | struct buffer_head *parent_fe_bh = NULL; | |
ccd979bd MF |
629 | struct ocfs2_dinode *fe = NULL; |
630 | struct ocfs2_super *osb = OCFS2_SB(dir->i_sb); | |
4a12ca3a | 631 | struct ocfs2_dir_lookup_result lookup = { NULL, }; |
ccd979bd MF |
632 | |
633 | mlog_entry("(inode=%lu, old='%.*s' new='%.*s')\n", inode->i_ino, | |
634 | old_dentry->d_name.len, old_dentry->d_name.name, | |
635 | dentry->d_name.len, dentry->d_name.name); | |
636 | ||
123a9643 MF |
637 | if (S_ISDIR(inode->i_mode)) |
638 | return -EPERM; | |
ccd979bd | 639 | |
e63aecb6 | 640 | err = ocfs2_inode_lock(dir, &parent_fe_bh, 1); |
ccd979bd MF |
641 | if (err < 0) { |
642 | if (err != -ENOENT) | |
643 | mlog_errno(err); | |
123a9643 | 644 | return err; |
ccd979bd MF |
645 | } |
646 | ||
0f62de2c TY |
647 | if (!dir->i_nlink) { |
648 | err = -ENOENT; | |
123a9643 | 649 | goto out; |
0f62de2c TY |
650 | } |
651 | ||
ccd979bd MF |
652 | err = ocfs2_check_dir_for_entry(dir, dentry->d_name.name, |
653 | dentry->d_name.len); | |
654 | if (err) | |
123a9643 | 655 | goto out; |
ccd979bd MF |
656 | |
657 | err = ocfs2_prepare_dir_for_insert(osb, dir, parent_fe_bh, | |
658 | dentry->d_name.name, | |
4a12ca3a | 659 | dentry->d_name.len, &lookup); |
ccd979bd MF |
660 | if (err < 0) { |
661 | mlog_errno(err); | |
123a9643 | 662 | goto out; |
ccd979bd MF |
663 | } |
664 | ||
e63aecb6 | 665 | err = ocfs2_inode_lock(inode, &fe_bh, 1); |
ccd979bd MF |
666 | if (err < 0) { |
667 | if (err != -ENOENT) | |
668 | mlog_errno(err); | |
123a9643 | 669 | goto out; |
ccd979bd MF |
670 | } |
671 | ||
672 | fe = (struct ocfs2_dinode *) fe_bh->b_data; | |
673 | if (le16_to_cpu(fe->i_links_count) >= OCFS2_LINK_MAX) { | |
674 | err = -EMLINK; | |
123a9643 | 675 | goto out_unlock_inode; |
ccd979bd MF |
676 | } |
677 | ||
a90714c1 | 678 | handle = ocfs2_start_trans(osb, ocfs2_link_credits(osb->sb)); |
ccd979bd MF |
679 | if (IS_ERR(handle)) { |
680 | err = PTR_ERR(handle); | |
681 | handle = NULL; | |
682 | mlog_errno(err); | |
123a9643 | 683 | goto out_unlock_inode; |
ccd979bd MF |
684 | } |
685 | ||
13723d00 JB |
686 | err = ocfs2_journal_access_di(handle, inode, fe_bh, |
687 | OCFS2_JOURNAL_ACCESS_WRITE); | |
ccd979bd MF |
688 | if (err < 0) { |
689 | mlog_errno(err); | |
123a9643 | 690 | goto out_commit; |
ccd979bd MF |
691 | } |
692 | ||
d8c76e6f | 693 | inc_nlink(inode); |
ccd979bd MF |
694 | inode->i_ctime = CURRENT_TIME; |
695 | fe->i_links_count = cpu_to_le16(inode->i_nlink); | |
696 | fe->i_ctime = cpu_to_le64(inode->i_ctime.tv_sec); | |
697 | fe->i_ctime_nsec = cpu_to_le32(inode->i_ctime.tv_nsec); | |
698 | ||
699 | err = ocfs2_journal_dirty(handle, fe_bh); | |
700 | if (err < 0) { | |
701 | le16_add_cpu(&fe->i_links_count, -1); | |
9a53c3a7 | 702 | drop_nlink(inode); |
ccd979bd | 703 | mlog_errno(err); |
123a9643 | 704 | goto out_commit; |
ccd979bd MF |
705 | } |
706 | ||
707 | err = ocfs2_add_entry(handle, dentry, inode, | |
708 | OCFS2_I(inode)->ip_blkno, | |
4a12ca3a | 709 | parent_fe_bh, &lookup); |
ccd979bd MF |
710 | if (err) { |
711 | le16_add_cpu(&fe->i_links_count, -1); | |
9a53c3a7 | 712 | drop_nlink(inode); |
ccd979bd | 713 | mlog_errno(err); |
123a9643 | 714 | goto out_commit; |
ccd979bd MF |
715 | } |
716 | ||
0027dd5b | 717 | err = ocfs2_dentry_attach_lock(dentry, inode, OCFS2_I(dir)->ip_blkno); |
379dfe9d MF |
718 | if (err) { |
719 | mlog_errno(err); | |
123a9643 | 720 | goto out_commit; |
379dfe9d MF |
721 | } |
722 | ||
ccd979bd MF |
723 | atomic_inc(&inode->i_count); |
724 | dentry->d_op = &ocfs2_dentry_ops; | |
725 | d_instantiate(dentry, inode); | |
123a9643 MF |
726 | |
727 | out_commit: | |
02dc1af4 | 728 | ocfs2_commit_trans(osb, handle); |
123a9643 | 729 | out_unlock_inode: |
e63aecb6 | 730 | ocfs2_inode_unlock(inode, 1); |
123a9643 MF |
731 | |
732 | out: | |
e63aecb6 | 733 | ocfs2_inode_unlock(dir, 1); |
123a9643 | 734 | |
a81cb88b MF |
735 | brelse(fe_bh); |
736 | brelse(parent_fe_bh); | |
ccd979bd | 737 | |
4a12ca3a MF |
738 | ocfs2_free_dir_lookup_result(&lookup); |
739 | ||
ccd979bd MF |
740 | mlog_exit(err); |
741 | ||
742 | return err; | |
743 | } | |
744 | ||
379dfe9d MF |
745 | /* |
746 | * Takes and drops an exclusive lock on the given dentry. This will | |
747 | * force other nodes to drop it. | |
748 | */ | |
749 | static int ocfs2_remote_dentry_delete(struct dentry *dentry) | |
750 | { | |
751 | int ret; | |
752 | ||
753 | ret = ocfs2_dentry_lock(dentry, 1); | |
754 | if (ret) | |
755 | mlog_errno(ret); | |
756 | else | |
757 | ocfs2_dentry_unlock(dentry, 1); | |
758 | ||
759 | return ret; | |
760 | } | |
761 | ||
17ff7856 MF |
762 | static inline int inode_is_unlinkable(struct inode *inode) |
763 | { | |
764 | if (S_ISDIR(inode->i_mode)) { | |
765 | if (inode->i_nlink == 2) | |
766 | return 1; | |
767 | return 0; | |
768 | } | |
769 | ||
770 | if (inode->i_nlink == 1) | |
771 | return 1; | |
772 | return 0; | |
773 | } | |
774 | ||
ccd979bd MF |
775 | static int ocfs2_unlink(struct inode *dir, |
776 | struct dentry *dentry) | |
777 | { | |
778 | int status; | |
30a4f5e8 | 779 | int child_locked = 0; |
ccd979bd | 780 | struct inode *inode = dentry->d_inode; |
5098c27b | 781 | struct inode *orphan_dir = NULL; |
ccd979bd MF |
782 | struct ocfs2_super *osb = OCFS2_SB(dir->i_sb); |
783 | u64 blkno; | |
784 | struct ocfs2_dinode *fe = NULL; | |
785 | struct buffer_head *fe_bh = NULL; | |
786 | struct buffer_head *parent_node_bh = NULL; | |
1fabe148 | 787 | handle_t *handle = NULL; |
ccd979bd | 788 | char orphan_name[OCFS2_ORPHAN_NAMELEN + 1]; |
4a12ca3a MF |
789 | struct ocfs2_dir_lookup_result lookup = { NULL, }; |
790 | struct ocfs2_dir_lookup_result orphan_insert = { NULL, }; | |
ccd979bd MF |
791 | |
792 | mlog_entry("(0x%p, 0x%p, '%.*s')\n", dir, dentry, | |
793 | dentry->d_name.len, dentry->d_name.name); | |
794 | ||
795 | BUG_ON(dentry->d_parent->d_inode != dir); | |
796 | ||
b0697053 | 797 | mlog(0, "ino = %llu\n", (unsigned long long)OCFS2_I(inode)->ip_blkno); |
ccd979bd MF |
798 | |
799 | if (inode == osb->root_inode) { | |
800 | mlog(0, "Cannot delete the root directory\n"); | |
30a4f5e8 | 801 | return -EPERM; |
ccd979bd MF |
802 | } |
803 | ||
e63aecb6 | 804 | status = ocfs2_inode_lock(dir, &parent_node_bh, 1); |
ccd979bd MF |
805 | if (status < 0) { |
806 | if (status != -ENOENT) | |
807 | mlog_errno(status); | |
30a4f5e8 | 808 | return status; |
ccd979bd MF |
809 | } |
810 | ||
811 | status = ocfs2_find_files_on_disk(dentry->d_name.name, | |
4a12ca3a MF |
812 | dentry->d_name.len, &blkno, dir, |
813 | &lookup); | |
ccd979bd MF |
814 | if (status < 0) { |
815 | if (status != -ENOENT) | |
816 | mlog_errno(status); | |
817 | goto leave; | |
818 | } | |
819 | ||
820 | if (OCFS2_I(inode)->ip_blkno != blkno) { | |
821 | status = -ENOENT; | |
822 | ||
b0697053 MF |
823 | mlog(0, "ip_blkno %llu != dirent blkno %llu ip_flags = %x\n", |
824 | (unsigned long long)OCFS2_I(inode)->ip_blkno, | |
825 | (unsigned long long)blkno, OCFS2_I(inode)->ip_flags); | |
ccd979bd MF |
826 | goto leave; |
827 | } | |
828 | ||
e63aecb6 | 829 | status = ocfs2_inode_lock(inode, &fe_bh, 1); |
ccd979bd MF |
830 | if (status < 0) { |
831 | if (status != -ENOENT) | |
832 | mlog_errno(status); | |
833 | goto leave; | |
834 | } | |
30a4f5e8 | 835 | child_locked = 1; |
ccd979bd MF |
836 | |
837 | if (S_ISDIR(inode->i_mode)) { | |
838 | if (!ocfs2_empty_dir(inode)) { | |
839 | status = -ENOTEMPTY; | |
840 | goto leave; | |
841 | } else if (inode->i_nlink != 2) { | |
842 | status = -ENOTEMPTY; | |
843 | goto leave; | |
844 | } | |
845 | } | |
846 | ||
379dfe9d | 847 | status = ocfs2_remote_dentry_delete(dentry); |
ccd979bd | 848 | if (status < 0) { |
34d024f8 | 849 | /* This remote delete should succeed under all normal |
ccd979bd MF |
850 | * circumstances. */ |
851 | mlog_errno(status); | |
852 | goto leave; | |
853 | } | |
854 | ||
17ff7856 | 855 | if (inode_is_unlinkable(inode)) { |
5098c27b | 856 | status = ocfs2_prepare_orphan_dir(osb, &orphan_dir, inode, |
4a12ca3a | 857 | orphan_name, &orphan_insert); |
ccd979bd MF |
858 | if (status < 0) { |
859 | mlog_errno(status); | |
860 | goto leave; | |
861 | } | |
862 | } | |
863 | ||
a90714c1 | 864 | handle = ocfs2_start_trans(osb, ocfs2_unlink_credits(osb->sb)); |
ccd979bd MF |
865 | if (IS_ERR(handle)) { |
866 | status = PTR_ERR(handle); | |
867 | handle = NULL; | |
868 | mlog_errno(status); | |
869 | goto leave; | |
870 | } | |
871 | ||
13723d00 JB |
872 | status = ocfs2_journal_access_di(handle, inode, fe_bh, |
873 | OCFS2_JOURNAL_ACCESS_WRITE); | |
ccd979bd MF |
874 | if (status < 0) { |
875 | mlog_errno(status); | |
876 | goto leave; | |
877 | } | |
878 | ||
879 | fe = (struct ocfs2_dinode *) fe_bh->b_data; | |
880 | ||
17ff7856 | 881 | if (inode_is_unlinkable(inode)) { |
ccd979bd | 882 | status = ocfs2_orphan_add(osb, handle, inode, fe, orphan_name, |
4a12ca3a | 883 | &orphan_insert, orphan_dir); |
ccd979bd MF |
884 | if (status < 0) { |
885 | mlog_errno(status); | |
886 | goto leave; | |
887 | } | |
888 | } | |
889 | ||
890 | /* delete the name from the parent dir */ | |
4a12ca3a | 891 | status = ocfs2_delete_entry(handle, dir, &lookup); |
ccd979bd MF |
892 | if (status < 0) { |
893 | mlog_errno(status); | |
894 | goto leave; | |
895 | } | |
896 | ||
17ff7856 MF |
897 | if (S_ISDIR(inode->i_mode)) |
898 | drop_nlink(inode); | |
899 | drop_nlink(inode); | |
ccd979bd | 900 | fe->i_links_count = cpu_to_le16(inode->i_nlink); |
ccd979bd MF |
901 | |
902 | status = ocfs2_journal_dirty(handle, fe_bh); | |
903 | if (status < 0) { | |
904 | mlog_errno(status); | |
905 | goto leave; | |
906 | } | |
907 | ||
592282cf MF |
908 | dir->i_ctime = dir->i_mtime = CURRENT_TIME; |
909 | if (S_ISDIR(inode->i_mode)) | |
17ff7856 | 910 | drop_nlink(dir); |
592282cf MF |
911 | |
912 | status = ocfs2_mark_inode_dirty(handle, dir, parent_node_bh); | |
913 | if (status < 0) { | |
914 | mlog_errno(status); | |
915 | if (S_ISDIR(inode->i_mode)) | |
d8c76e6f | 916 | inc_nlink(dir); |
ccd979bd MF |
917 | } |
918 | ||
919 | leave: | |
ccd979bd | 920 | if (handle) |
02dc1af4 | 921 | ocfs2_commit_trans(osb, handle); |
ccd979bd | 922 | |
30a4f5e8 | 923 | if (child_locked) |
e63aecb6 | 924 | ocfs2_inode_unlock(inode, 1); |
30a4f5e8 | 925 | |
e63aecb6 | 926 | ocfs2_inode_unlock(dir, 1); |
30a4f5e8 | 927 | |
5098c27b MF |
928 | if (orphan_dir) { |
929 | /* This was locked for us in ocfs2_prepare_orphan_dir() */ | |
e63aecb6 | 930 | ocfs2_inode_unlock(orphan_dir, 1); |
5098c27b MF |
931 | mutex_unlock(&orphan_dir->i_mutex); |
932 | iput(orphan_dir); | |
933 | } | |
934 | ||
a81cb88b | 935 | brelse(fe_bh); |
a81cb88b | 936 | brelse(parent_node_bh); |
4a12ca3a MF |
937 | |
938 | ocfs2_free_dir_lookup_result(&orphan_insert); | |
939 | ocfs2_free_dir_lookup_result(&lookup); | |
ccd979bd MF |
940 | |
941 | mlog_exit(status); | |
942 | ||
943 | return status; | |
944 | } | |
945 | ||
946 | /* | |
947 | * The only place this should be used is rename! | |
948 | * if they have the same id, then the 1st one is the only one locked. | |
949 | */ | |
950 | static int ocfs2_double_lock(struct ocfs2_super *osb, | |
ccd979bd MF |
951 | struct buffer_head **bh1, |
952 | struct inode *inode1, | |
953 | struct buffer_head **bh2, | |
954 | struct inode *inode2) | |
955 | { | |
956 | int status; | |
957 | struct ocfs2_inode_info *oi1 = OCFS2_I(inode1); | |
958 | struct ocfs2_inode_info *oi2 = OCFS2_I(inode2); | |
959 | struct buffer_head **tmpbh; | |
960 | struct inode *tmpinode; | |
961 | ||
b0697053 MF |
962 | mlog_entry("(inode1 = %llu, inode2 = %llu)\n", |
963 | (unsigned long long)oi1->ip_blkno, | |
964 | (unsigned long long)oi2->ip_blkno); | |
ccd979bd | 965 | |
ccd979bd MF |
966 | if (*bh1) |
967 | *bh1 = NULL; | |
968 | if (*bh2) | |
969 | *bh2 = NULL; | |
970 | ||
971 | /* we always want to lock the one with the lower lockid first. */ | |
972 | if (oi1->ip_blkno != oi2->ip_blkno) { | |
973 | if (oi1->ip_blkno < oi2->ip_blkno) { | |
974 | /* switch id1 and id2 around */ | |
975 | mlog(0, "switching them around...\n"); | |
976 | tmpbh = bh2; | |
977 | bh2 = bh1; | |
978 | bh1 = tmpbh; | |
979 | ||
980 | tmpinode = inode2; | |
981 | inode2 = inode1; | |
982 | inode1 = tmpinode; | |
983 | } | |
984 | /* lock id2 */ | |
e63aecb6 | 985 | status = ocfs2_inode_lock(inode2, bh2, 1); |
ccd979bd MF |
986 | if (status < 0) { |
987 | if (status != -ENOENT) | |
988 | mlog_errno(status); | |
989 | goto bail; | |
990 | } | |
991 | } | |
8d5596c6 | 992 | |
ccd979bd | 993 | /* lock id1 */ |
e63aecb6 | 994 | status = ocfs2_inode_lock(inode1, bh1, 1); |
ccd979bd | 995 | if (status < 0) { |
8d5596c6 MF |
996 | /* |
997 | * An error return must mean that no cluster locks | |
998 | * were held on function exit. | |
999 | */ | |
1000 | if (oi1->ip_blkno != oi2->ip_blkno) | |
e63aecb6 | 1001 | ocfs2_inode_unlock(inode2, 1); |
8d5596c6 | 1002 | |
ccd979bd MF |
1003 | if (status != -ENOENT) |
1004 | mlog_errno(status); | |
ccd979bd | 1005 | } |
8d5596c6 | 1006 | |
ccd979bd MF |
1007 | bail: |
1008 | mlog_exit(status); | |
1009 | return status; | |
1010 | } | |
1011 | ||
8d5596c6 MF |
1012 | static void ocfs2_double_unlock(struct inode *inode1, struct inode *inode2) |
1013 | { | |
e63aecb6 | 1014 | ocfs2_inode_unlock(inode1, 1); |
8d5596c6 MF |
1015 | |
1016 | if (inode1 != inode2) | |
e63aecb6 | 1017 | ocfs2_inode_unlock(inode2, 1); |
8d5596c6 MF |
1018 | } |
1019 | ||
ccd979bd MF |
1020 | static int ocfs2_rename(struct inode *old_dir, |
1021 | struct dentry *old_dentry, | |
1022 | struct inode *new_dir, | |
1023 | struct dentry *new_dentry) | |
1024 | { | |
4a12ca3a MF |
1025 | int status = 0, rename_lock = 0, parents_locked = 0, target_exists = 0; |
1026 | int old_child_locked = 0, new_child_locked = 0, update_dot_dot = 0; | |
ccd979bd MF |
1027 | struct inode *old_inode = old_dentry->d_inode; |
1028 | struct inode *new_inode = new_dentry->d_inode; | |
5098c27b | 1029 | struct inode *orphan_dir = NULL; |
ccd979bd MF |
1030 | struct ocfs2_dinode *newfe = NULL; |
1031 | char orphan_name[OCFS2_ORPHAN_NAMELEN + 1]; | |
1032 | struct buffer_head *orphan_entry_bh = NULL; | |
1033 | struct buffer_head *newfe_bh = NULL; | |
592282cf | 1034 | struct buffer_head *old_inode_bh = NULL; |
ccd979bd MF |
1035 | struct buffer_head *insert_entry_bh = NULL; |
1036 | struct ocfs2_super *osb = NULL; | |
5b6a3a2b | 1037 | u64 newfe_blkno, old_de_ino; |
1fabe148 | 1038 | handle_t *handle = NULL; |
ccd979bd MF |
1039 | struct buffer_head *old_dir_bh = NULL; |
1040 | struct buffer_head *new_dir_bh = NULL; | |
592282cf | 1041 | nlink_t old_dir_nlink = old_dir->i_nlink; |
480214d7 | 1042 | struct ocfs2_dinode *old_di; |
4a12ca3a MF |
1043 | struct ocfs2_dir_lookup_result old_inode_dot_dot_res = { NULL, }; |
1044 | struct ocfs2_dir_lookup_result target_lookup_res = { NULL, }; | |
1045 | struct ocfs2_dir_lookup_result old_entry_lookup = { NULL, }; | |
1046 | struct ocfs2_dir_lookup_result orphan_insert = { NULL, }; | |
1047 | struct ocfs2_dir_lookup_result target_insert = { NULL, }; | |
ccd979bd MF |
1048 | |
1049 | /* At some point it might be nice to break this function up a | |
1050 | * bit. */ | |
1051 | ||
1052 | mlog_entry("(0x%p, 0x%p, 0x%p, 0x%p, from='%.*s' to='%.*s')\n", | |
1053 | old_dir, old_dentry, new_dir, new_dentry, | |
1054 | old_dentry->d_name.len, old_dentry->d_name.name, | |
1055 | new_dentry->d_name.len, new_dentry->d_name.name); | |
1056 | ||
1057 | osb = OCFS2_SB(old_dir->i_sb); | |
1058 | ||
1059 | if (new_inode) { | |
1060 | if (!igrab(new_inode)) | |
1061 | BUG(); | |
1062 | } | |
1063 | ||
1b3c3714 | 1064 | /* Assume a directory hierarchy thusly: |
ccd979bd MF |
1065 | * a/b/c |
1066 | * a/d | |
1067 | * a,b,c, and d are all directories. | |
1068 | * | |
1069 | * from cwd of 'a' on both nodes: | |
1070 | * node1: mv b/c d | |
1071 | * node2: mv d b/c | |
1072 | * | |
1073 | * And that's why, just like the VFS, we need a file system | |
1074 | * rename lock. */ | |
5dabd695 | 1075 | if (old_dir != new_dir && S_ISDIR(old_inode->i_mode)) { |
ccd979bd MF |
1076 | status = ocfs2_rename_lock(osb); |
1077 | if (status < 0) { | |
1078 | mlog_errno(status); | |
1079 | goto bail; | |
1080 | } | |
1081 | rename_lock = 1; | |
1082 | } | |
1083 | ||
ccd979bd | 1084 | /* if old and new are the same, this'll just do one lock. */ |
8d5596c6 MF |
1085 | status = ocfs2_double_lock(osb, &old_dir_bh, old_dir, |
1086 | &new_dir_bh, new_dir); | |
ccd979bd MF |
1087 | if (status < 0) { |
1088 | mlog_errno(status); | |
1089 | goto bail; | |
1090 | } | |
8d5596c6 | 1091 | parents_locked = 1; |
ccd979bd MF |
1092 | |
1093 | /* make sure both dirs have bhs | |
1094 | * get an extra ref on old_dir_bh if old==new */ | |
1095 | if (!new_dir_bh) { | |
1096 | if (old_dir_bh) { | |
1097 | new_dir_bh = old_dir_bh; | |
1098 | get_bh(new_dir_bh); | |
1099 | } else { | |
1100 | mlog(ML_ERROR, "no old_dir_bh!\n"); | |
1101 | status = -EIO; | |
1102 | goto bail; | |
1103 | } | |
1104 | } | |
1105 | ||
379dfe9d | 1106 | /* |
592282cf | 1107 | * Aside from allowing a meta data update, the locking here |
34d024f8 MF |
1108 | * also ensures that the downconvert thread on other nodes |
1109 | * won't have to concurrently downconvert the inode and the | |
1110 | * dentry locks. | |
379dfe9d | 1111 | */ |
e63aecb6 | 1112 | status = ocfs2_inode_lock(old_inode, &old_inode_bh, 1); |
379dfe9d MF |
1113 | if (status < 0) { |
1114 | if (status != -ENOENT) | |
ccd979bd | 1115 | mlog_errno(status); |
379dfe9d MF |
1116 | goto bail; |
1117 | } | |
8d5596c6 | 1118 | old_child_locked = 1; |
ccd979bd | 1119 | |
379dfe9d MF |
1120 | status = ocfs2_remote_dentry_delete(old_dentry); |
1121 | if (status < 0) { | |
1122 | mlog_errno(status); | |
1123 | goto bail; | |
1124 | } | |
1125 | ||
1126 | if (S_ISDIR(old_inode->i_mode)) { | |
38760e24 MF |
1127 | u64 old_inode_parent; |
1128 | ||
4a12ca3a | 1129 | update_dot_dot = 1; |
38760e24 | 1130 | status = ocfs2_find_files_on_disk("..", 2, &old_inode_parent, |
4a12ca3a MF |
1131 | old_inode, |
1132 | &old_inode_dot_dot_res); | |
38760e24 MF |
1133 | if (status) { |
1134 | status = -EIO; | |
ccd979bd | 1135 | goto bail; |
38760e24 | 1136 | } |
ccd979bd | 1137 | |
38760e24 MF |
1138 | if (old_inode_parent != OCFS2_I(old_dir)->ip_blkno) { |
1139 | status = -EIO; | |
ccd979bd | 1140 | goto bail; |
38760e24 MF |
1141 | } |
1142 | ||
1143 | if (!new_inode && new_dir != old_dir && | |
1144 | new_dir->i_nlink >= OCFS2_LINK_MAX) { | |
1145 | status = -EMLINK; | |
ccd979bd | 1146 | goto bail; |
38760e24 | 1147 | } |
ccd979bd MF |
1148 | } |
1149 | ||
5b6a3a2b MF |
1150 | status = ocfs2_lookup_ino_from_name(old_dir, old_dentry->d_name.name, |
1151 | old_dentry->d_name.len, | |
1152 | &old_de_ino); | |
1153 | if (status) { | |
1154 | status = -ENOENT; | |
ccd979bd | 1155 | goto bail; |
5b6a3a2b | 1156 | } |
ccd979bd MF |
1157 | |
1158 | /* | |
1159 | * Check for inode number is _not_ due to possible IO errors. | |
1160 | * We might rmdir the source, keep it as pwd of some process | |
1161 | * and merrily kill the link to whatever was created under the | |
1162 | * same name. Goodbye sticky bit ;-< | |
1163 | */ | |
5b6a3a2b MF |
1164 | if (old_de_ino != OCFS2_I(old_inode)->ip_blkno) { |
1165 | status = -ENOENT; | |
ccd979bd | 1166 | goto bail; |
5b6a3a2b | 1167 | } |
ccd979bd MF |
1168 | |
1169 | /* check if the target already exists (in which case we need | |
1170 | * to delete it */ | |
1171 | status = ocfs2_find_files_on_disk(new_dentry->d_name.name, | |
1172 | new_dentry->d_name.len, | |
4a12ca3a MF |
1173 | &newfe_blkno, new_dir, |
1174 | &target_lookup_res); | |
ccd979bd MF |
1175 | /* The only error we allow here is -ENOENT because the new |
1176 | * file not existing is perfectly valid. */ | |
1177 | if ((status < 0) && (status != -ENOENT)) { | |
1178 | /* If we cannot find the file specified we should just */ | |
1179 | /* return the error... */ | |
1180 | mlog_errno(status); | |
1181 | goto bail; | |
1182 | } | |
4a12ca3a MF |
1183 | if (status == 0) |
1184 | target_exists = 1; | |
ccd979bd | 1185 | |
4a12ca3a | 1186 | if (!target_exists && new_inode) { |
e325a88f SE |
1187 | /* |
1188 | * Target was unlinked by another node while we were | |
1189 | * waiting to get to ocfs2_rename(). There isn't | |
1190 | * anything we can do here to help the situation, so | |
1191 | * bubble up the appropriate error. | |
1192 | */ | |
1193 | status = -ENOENT; | |
1194 | goto bail; | |
1195 | } | |
ccd979bd MF |
1196 | |
1197 | /* In case we need to overwrite an existing file, we blow it | |
1198 | * away first */ | |
4a12ca3a | 1199 | if (target_exists) { |
ccd979bd MF |
1200 | /* VFS didn't think there existed an inode here, but |
1201 | * someone else in the cluster must have raced our | |
1202 | * rename to create one. Today we error cleanly, in | |
1203 | * the future we should consider calling iget to build | |
1204 | * a new struct inode for this entry. */ | |
1205 | if (!new_inode) { | |
1206 | status = -EACCES; | |
1207 | ||
1208 | mlog(0, "We found an inode for name %.*s but VFS " | |
1209 | "didn't give us one.\n", new_dentry->d_name.len, | |
1210 | new_dentry->d_name.name); | |
1211 | goto bail; | |
1212 | } | |
1213 | ||
1214 | if (OCFS2_I(new_inode)->ip_blkno != newfe_blkno) { | |
1215 | status = -EACCES; | |
1216 | ||
b0697053 MF |
1217 | mlog(0, "Inode %llu and dir %llu disagree. flags = %x\n", |
1218 | (unsigned long long)OCFS2_I(new_inode)->ip_blkno, | |
1219 | (unsigned long long)newfe_blkno, | |
ccd979bd MF |
1220 | OCFS2_I(new_inode)->ip_flags); |
1221 | goto bail; | |
1222 | } | |
1223 | ||
e63aecb6 | 1224 | status = ocfs2_inode_lock(new_inode, &newfe_bh, 1); |
ccd979bd MF |
1225 | if (status < 0) { |
1226 | if (status != -ENOENT) | |
1227 | mlog_errno(status); | |
1228 | goto bail; | |
1229 | } | |
8d5596c6 | 1230 | new_child_locked = 1; |
ccd979bd | 1231 | |
379dfe9d | 1232 | status = ocfs2_remote_dentry_delete(new_dentry); |
ccd979bd MF |
1233 | if (status < 0) { |
1234 | mlog_errno(status); | |
1235 | goto bail; | |
1236 | } | |
1237 | ||
1238 | newfe = (struct ocfs2_dinode *) newfe_bh->b_data; | |
1239 | ||
4a12ca3a MF |
1240 | mlog(0, "aha rename over existing... new_blkno=%llu " |
1241 | "newfebh=%p bhblocknr=%llu\n", | |
b0697053 | 1242 | (unsigned long long)newfe_blkno, newfe_bh, newfe_bh ? |
ccd979bd MF |
1243 | (unsigned long long)newfe_bh->b_blocknr : 0ULL); |
1244 | ||
1245 | if (S_ISDIR(new_inode->i_mode) || (new_inode->i_nlink == 1)) { | |
5098c27b | 1246 | status = ocfs2_prepare_orphan_dir(osb, &orphan_dir, |
ccd979bd MF |
1247 | new_inode, |
1248 | orphan_name, | |
4a12ca3a | 1249 | &orphan_insert); |
ccd979bd MF |
1250 | if (status < 0) { |
1251 | mlog_errno(status); | |
1252 | goto bail; | |
1253 | } | |
1254 | } | |
1255 | } else { | |
1256 | BUG_ON(new_dentry->d_parent->d_inode != new_dir); | |
1257 | ||
1258 | status = ocfs2_check_dir_for_entry(new_dir, | |
1259 | new_dentry->d_name.name, | |
1260 | new_dentry->d_name.len); | |
1261 | if (status) | |
1262 | goto bail; | |
1263 | ||
1264 | status = ocfs2_prepare_dir_for_insert(osb, new_dir, new_dir_bh, | |
1265 | new_dentry->d_name.name, | |
1266 | new_dentry->d_name.len, | |
4a12ca3a | 1267 | &target_insert); |
ccd979bd MF |
1268 | if (status < 0) { |
1269 | mlog_errno(status); | |
1270 | goto bail; | |
1271 | } | |
1272 | } | |
1273 | ||
a90714c1 | 1274 | handle = ocfs2_start_trans(osb, ocfs2_rename_credits(osb->sb)); |
ccd979bd MF |
1275 | if (IS_ERR(handle)) { |
1276 | status = PTR_ERR(handle); | |
1277 | handle = NULL; | |
1278 | mlog_errno(status); | |
1279 | goto bail; | |
1280 | } | |
1281 | ||
4a12ca3a | 1282 | if (target_exists) { |
ccd979bd MF |
1283 | if (S_ISDIR(new_inode->i_mode)) { |
1284 | if (!ocfs2_empty_dir(new_inode) || | |
1285 | new_inode->i_nlink != 2) { | |
1286 | status = -ENOTEMPTY; | |
1287 | goto bail; | |
1288 | } | |
1289 | } | |
13723d00 JB |
1290 | status = ocfs2_journal_access_di(handle, new_inode, newfe_bh, |
1291 | OCFS2_JOURNAL_ACCESS_WRITE); | |
ccd979bd MF |
1292 | if (status < 0) { |
1293 | mlog_errno(status); | |
1294 | goto bail; | |
1295 | } | |
1296 | ||
1297 | if (S_ISDIR(new_inode->i_mode) || | |
1298 | (newfe->i_links_count == cpu_to_le16(1))){ | |
1299 | status = ocfs2_orphan_add(osb, handle, new_inode, | |
1300 | newfe, orphan_name, | |
4a12ca3a | 1301 | &orphan_insert, orphan_dir); |
ccd979bd MF |
1302 | if (status < 0) { |
1303 | mlog_errno(status); | |
1304 | goto bail; | |
1305 | } | |
1306 | } | |
1307 | ||
1308 | /* change the dirent to point to the correct inode */ | |
4a12ca3a MF |
1309 | status = ocfs2_update_entry(new_dir, handle, &target_lookup_res, |
1310 | old_inode); | |
ccd979bd MF |
1311 | if (status < 0) { |
1312 | mlog_errno(status); | |
1313 | goto bail; | |
1314 | } | |
ccd979bd | 1315 | new_dir->i_version++; |
ccd979bd MF |
1316 | |
1317 | if (S_ISDIR(new_inode->i_mode)) | |
1318 | newfe->i_links_count = 0; | |
1319 | else | |
1320 | le16_add_cpu(&newfe->i_links_count, -1); | |
1321 | ||
1322 | status = ocfs2_journal_dirty(handle, newfe_bh); | |
1323 | if (status < 0) { | |
1324 | mlog_errno(status); | |
1325 | goto bail; | |
1326 | } | |
1327 | } else { | |
1328 | /* if the name was not found in new_dir, add it now */ | |
1329 | status = ocfs2_add_entry(handle, new_dentry, old_inode, | |
1330 | OCFS2_I(old_inode)->ip_blkno, | |
4a12ca3a | 1331 | new_dir_bh, &target_insert); |
ccd979bd MF |
1332 | } |
1333 | ||
1334 | old_inode->i_ctime = CURRENT_TIME; | |
1335 | mark_inode_dirty(old_inode); | |
480214d7 | 1336 | |
13723d00 JB |
1337 | status = ocfs2_journal_access_di(handle, old_inode, old_inode_bh, |
1338 | OCFS2_JOURNAL_ACCESS_WRITE); | |
480214d7 SM |
1339 | if (status >= 0) { |
1340 | old_di = (struct ocfs2_dinode *) old_inode_bh->b_data; | |
1341 | ||
1342 | old_di->i_ctime = cpu_to_le64(old_inode->i_ctime.tv_sec); | |
1343 | old_di->i_ctime_nsec = cpu_to_le32(old_inode->i_ctime.tv_nsec); | |
1344 | ||
1345 | status = ocfs2_journal_dirty(handle, old_inode_bh); | |
1346 | if (status < 0) | |
1347 | mlog_errno(status); | |
1348 | } else | |
1349 | mlog_errno(status); | |
ccd979bd | 1350 | |
5b6a3a2b MF |
1351 | /* |
1352 | * Now that the name has been added to new_dir, remove the old name. | |
1353 | * | |
1354 | * We don't keep any directory entry context around until now | |
1355 | * because the insert might have changed the type of directory | |
1356 | * we're dealing with. | |
1357 | */ | |
4a12ca3a MF |
1358 | status = ocfs2_find_entry(old_dentry->d_name.name, |
1359 | old_dentry->d_name.len, old_dir, | |
1360 | &old_entry_lookup); | |
1361 | if (status) | |
5b6a3a2b | 1362 | goto bail; |
5b6a3a2b | 1363 | |
4a12ca3a | 1364 | status = ocfs2_delete_entry(handle, old_dir, &old_entry_lookup); |
ccd979bd MF |
1365 | if (status < 0) { |
1366 | mlog_errno(status); | |
1367 | goto bail; | |
1368 | } | |
1369 | ||
1370 | if (new_inode) { | |
1371 | new_inode->i_nlink--; | |
1372 | new_inode->i_ctime = CURRENT_TIME; | |
1373 | } | |
1374 | old_dir->i_ctime = old_dir->i_mtime = CURRENT_TIME; | |
4a12ca3a MF |
1375 | |
1376 | if (update_dot_dot) { | |
1377 | status = ocfs2_update_entry(old_inode, handle, | |
1378 | &old_inode_dot_dot_res, new_dir); | |
ccd979bd MF |
1379 | old_dir->i_nlink--; |
1380 | if (new_inode) { | |
1381 | new_inode->i_nlink--; | |
1382 | } else { | |
d8c76e6f | 1383 | inc_nlink(new_dir); |
ccd979bd MF |
1384 | mark_inode_dirty(new_dir); |
1385 | } | |
1386 | } | |
1387 | mark_inode_dirty(old_dir); | |
592282cf MF |
1388 | ocfs2_mark_inode_dirty(handle, old_dir, old_dir_bh); |
1389 | if (new_inode) { | |
ccd979bd | 1390 | mark_inode_dirty(new_inode); |
592282cf MF |
1391 | ocfs2_mark_inode_dirty(handle, new_inode, newfe_bh); |
1392 | } | |
ccd979bd | 1393 | |
592282cf MF |
1394 | if (old_dir != new_dir) { |
1395 | /* Keep the same times on both directories.*/ | |
1396 | new_dir->i_ctime = new_dir->i_mtime = old_dir->i_ctime; | |
1397 | ||
1398 | /* | |
1399 | * This will also pick up the i_nlink change from the | |
1400 | * block above. | |
1401 | */ | |
1402 | ocfs2_mark_inode_dirty(handle, new_dir, new_dir_bh); | |
1403 | } | |
ccd979bd MF |
1404 | |
1405 | if (old_dir_nlink != old_dir->i_nlink) { | |
1406 | if (!old_dir_bh) { | |
1407 | mlog(ML_ERROR, "need to change nlink for old dir " | |
b0697053 MF |
1408 | "%llu from %d to %d but bh is NULL!\n", |
1409 | (unsigned long long)OCFS2_I(old_dir)->ip_blkno, | |
1410 | (int)old_dir_nlink, old_dir->i_nlink); | |
ccd979bd MF |
1411 | } else { |
1412 | struct ocfs2_dinode *fe; | |
13723d00 JB |
1413 | status = ocfs2_journal_access_di(handle, old_dir, |
1414 | old_dir_bh, | |
1415 | OCFS2_JOURNAL_ACCESS_WRITE); | |
ccd979bd MF |
1416 | fe = (struct ocfs2_dinode *) old_dir_bh->b_data; |
1417 | fe->i_links_count = cpu_to_le16(old_dir->i_nlink); | |
1418 | status = ocfs2_journal_dirty(handle, old_dir_bh); | |
1419 | } | |
1420 | } | |
1421 | ||
379dfe9d | 1422 | ocfs2_dentry_move(old_dentry, new_dentry, old_dir, new_dir); |
ccd979bd MF |
1423 | status = 0; |
1424 | bail: | |
1425 | if (rename_lock) | |
1426 | ocfs2_rename_unlock(osb); | |
1427 | ||
1428 | if (handle) | |
02dc1af4 | 1429 | ocfs2_commit_trans(osb, handle); |
ccd979bd | 1430 | |
8d5596c6 MF |
1431 | if (parents_locked) |
1432 | ocfs2_double_unlock(old_dir, new_dir); | |
1433 | ||
1434 | if (old_child_locked) | |
e63aecb6 | 1435 | ocfs2_inode_unlock(old_inode, 1); |
8d5596c6 MF |
1436 | |
1437 | if (new_child_locked) | |
e63aecb6 | 1438 | ocfs2_inode_unlock(new_inode, 1); |
8d5596c6 | 1439 | |
5098c27b MF |
1440 | if (orphan_dir) { |
1441 | /* This was locked for us in ocfs2_prepare_orphan_dir() */ | |
e63aecb6 | 1442 | ocfs2_inode_unlock(orphan_dir, 1); |
5098c27b MF |
1443 | mutex_unlock(&orphan_dir->i_mutex); |
1444 | iput(orphan_dir); | |
1445 | } | |
1446 | ||
ccd979bd MF |
1447 | if (new_inode) |
1448 | sync_mapping_buffers(old_inode->i_mapping); | |
1449 | ||
1450 | if (new_inode) | |
1451 | iput(new_inode); | |
4a12ca3a MF |
1452 | |
1453 | ocfs2_free_dir_lookup_result(&target_lookup_res); | |
1454 | ocfs2_free_dir_lookup_result(&old_entry_lookup); | |
1455 | ocfs2_free_dir_lookup_result(&old_inode_dot_dot_res); | |
1456 | ocfs2_free_dir_lookup_result(&orphan_insert); | |
1457 | ocfs2_free_dir_lookup_result(&target_insert); | |
1458 | ||
a81cb88b MF |
1459 | brelse(newfe_bh); |
1460 | brelse(old_inode_bh); | |
1461 | brelse(old_dir_bh); | |
1462 | brelse(new_dir_bh); | |
a81cb88b MF |
1463 | brelse(orphan_entry_bh); |
1464 | brelse(insert_entry_bh); | |
ccd979bd MF |
1465 | |
1466 | mlog_exit(status); | |
1467 | ||
1468 | return status; | |
1469 | } | |
1470 | ||
1471 | /* | |
1472 | * we expect i_size = strlen(symname). Copy symname into the file | |
1473 | * data, including the null terminator. | |
1474 | */ | |
1475 | static int ocfs2_create_symlink_data(struct ocfs2_super *osb, | |
1fabe148 | 1476 | handle_t *handle, |
ccd979bd MF |
1477 | struct inode *inode, |
1478 | const char *symname) | |
1479 | { | |
1480 | struct buffer_head **bhs = NULL; | |
1481 | const char *c; | |
1482 | struct super_block *sb = osb->sb; | |
4f902c37 | 1483 | u64 p_blkno, p_blocks; |
ccd979bd MF |
1484 | int virtual, blocks, status, i, bytes_left; |
1485 | ||
1486 | bytes_left = i_size_read(inode) + 1; | |
1487 | /* we can't trust i_blocks because we're actually going to | |
1488 | * write i_size + 1 bytes. */ | |
1489 | blocks = (bytes_left + sb->s_blocksize - 1) >> sb->s_blocksize_bits; | |
1490 | ||
5515eff8 AM |
1491 | mlog_entry("i_blocks = %llu, i_size = %llu, blocks = %d\n", |
1492 | (unsigned long long)inode->i_blocks, | |
1493 | i_size_read(inode), blocks); | |
ccd979bd MF |
1494 | |
1495 | /* Sanity check -- make sure we're going to fit. */ | |
1496 | if (bytes_left > | |
1497 | ocfs2_clusters_to_bytes(sb, OCFS2_I(inode)->ip_clusters)) { | |
1498 | status = -EIO; | |
1499 | mlog_errno(status); | |
1500 | goto bail; | |
1501 | } | |
1502 | ||
1503 | bhs = kcalloc(blocks, sizeof(struct buffer_head *), GFP_KERNEL); | |
1504 | if (!bhs) { | |
1505 | status = -ENOMEM; | |
1506 | mlog_errno(status); | |
1507 | goto bail; | |
1508 | } | |
1509 | ||
49cb8d2d MF |
1510 | status = ocfs2_extent_map_get_blocks(inode, 0, &p_blkno, &p_blocks, |
1511 | NULL); | |
ccd979bd MF |
1512 | if (status < 0) { |
1513 | mlog_errno(status); | |
1514 | goto bail; | |
1515 | } | |
1516 | ||
1517 | /* links can never be larger than one cluster so we know this | |
1518 | * is all going to be contiguous, but do a sanity check | |
1519 | * anyway. */ | |
1520 | if ((p_blocks << sb->s_blocksize_bits) < bytes_left) { | |
1521 | status = -EIO; | |
1522 | mlog_errno(status); | |
1523 | goto bail; | |
1524 | } | |
1525 | ||
1526 | virtual = 0; | |
1527 | while(bytes_left > 0) { | |
1528 | c = &symname[virtual * sb->s_blocksize]; | |
1529 | ||
1530 | bhs[virtual] = sb_getblk(sb, p_blkno); | |
1531 | if (!bhs[virtual]) { | |
1532 | status = -ENOMEM; | |
1533 | mlog_errno(status); | |
1534 | goto bail; | |
1535 | } | |
1536 | ocfs2_set_new_buffer_uptodate(inode, bhs[virtual]); | |
1537 | ||
1538 | status = ocfs2_journal_access(handle, inode, bhs[virtual], | |
1539 | OCFS2_JOURNAL_ACCESS_CREATE); | |
1540 | if (status < 0) { | |
1541 | mlog_errno(status); | |
1542 | goto bail; | |
1543 | } | |
1544 | ||
1545 | memset(bhs[virtual]->b_data, 0, sb->s_blocksize); | |
1546 | ||
1547 | memcpy(bhs[virtual]->b_data, c, | |
1548 | (bytes_left > sb->s_blocksize) ? sb->s_blocksize : | |
1549 | bytes_left); | |
1550 | ||
1551 | status = ocfs2_journal_dirty(handle, bhs[virtual]); | |
1552 | if (status < 0) { | |
1553 | mlog_errno(status); | |
1554 | goto bail; | |
1555 | } | |
1556 | ||
1557 | virtual++; | |
1558 | p_blkno++; | |
1559 | bytes_left -= sb->s_blocksize; | |
1560 | } | |
1561 | ||
1562 | status = 0; | |
1563 | bail: | |
1564 | ||
1565 | if (bhs) { | |
1566 | for(i = 0; i < blocks; i++) | |
a81cb88b | 1567 | brelse(bhs[i]); |
ccd979bd MF |
1568 | kfree(bhs); |
1569 | } | |
1570 | ||
1571 | mlog_exit(status); | |
1572 | return status; | |
1573 | } | |
1574 | ||
1575 | static int ocfs2_symlink(struct inode *dir, | |
1576 | struct dentry *dentry, | |
1577 | const char *symname) | |
1578 | { | |
1579 | int status, l, credits; | |
1580 | u64 newsize; | |
1581 | struct ocfs2_super *osb = NULL; | |
1582 | struct inode *inode = NULL; | |
1583 | struct super_block *sb; | |
1584 | struct buffer_head *new_fe_bh = NULL; | |
ccd979bd MF |
1585 | struct buffer_head *parent_fe_bh = NULL; |
1586 | struct ocfs2_dinode *fe = NULL; | |
1587 | struct ocfs2_dinode *dirfe; | |
1fabe148 | 1588 | handle_t *handle = NULL; |
ccd979bd MF |
1589 | struct ocfs2_alloc_context *inode_ac = NULL; |
1590 | struct ocfs2_alloc_context *data_ac = NULL; | |
534eaddd TY |
1591 | struct ocfs2_alloc_context *xattr_ac = NULL; |
1592 | int want_clusters = 0; | |
1593 | int xattr_credits = 0; | |
1594 | struct ocfs2_security_xattr_info si = { | |
1595 | .enable = 1, | |
1596 | }; | |
a90714c1 | 1597 | int did_quota = 0, did_quota_inode = 0; |
4a12ca3a | 1598 | struct ocfs2_dir_lookup_result lookup = { NULL, }; |
ccd979bd MF |
1599 | |
1600 | mlog_entry("(0x%p, 0x%p, symname='%s' actual='%.*s')\n", dir, | |
1601 | dentry, symname, dentry->d_name.len, dentry->d_name.name); | |
1602 | ||
1603 | sb = dir->i_sb; | |
1604 | osb = OCFS2_SB(sb); | |
1605 | ||
1606 | l = strlen(symname) + 1; | |
1607 | ||
1608 | credits = ocfs2_calc_symlink_credits(sb); | |
1609 | ||
ccd979bd | 1610 | /* lock the parent directory */ |
e63aecb6 | 1611 | status = ocfs2_inode_lock(dir, &parent_fe_bh, 1); |
ccd979bd MF |
1612 | if (status < 0) { |
1613 | if (status != -ENOENT) | |
1614 | mlog_errno(status); | |
6d8fc40e | 1615 | return status; |
ccd979bd MF |
1616 | } |
1617 | ||
1618 | dirfe = (struct ocfs2_dinode *) parent_fe_bh->b_data; | |
1619 | if (!dirfe->i_links_count) { | |
1620 | /* can't make a file in a deleted directory. */ | |
1621 | status = -ENOENT; | |
1622 | goto bail; | |
1623 | } | |
1624 | ||
1625 | status = ocfs2_check_dir_for_entry(dir, dentry->d_name.name, | |
1626 | dentry->d_name.len); | |
1627 | if (status) | |
1628 | goto bail; | |
1629 | ||
1630 | status = ocfs2_prepare_dir_for_insert(osb, dir, parent_fe_bh, | |
1631 | dentry->d_name.name, | |
4a12ca3a | 1632 | dentry->d_name.len, &lookup); |
ccd979bd MF |
1633 | if (status < 0) { |
1634 | mlog_errno(status); | |
1635 | goto bail; | |
1636 | } | |
1637 | ||
da5cbf2f | 1638 | status = ocfs2_reserve_new_inode(osb, &inode_ac); |
ccd979bd MF |
1639 | if (status < 0) { |
1640 | if (status != -ENOSPC) | |
1641 | mlog_errno(status); | |
1642 | goto bail; | |
1643 | } | |
1644 | ||
f5d36202 TY |
1645 | inode = ocfs2_get_init_inode(dir, S_IFLNK | S_IRWXUGO); |
1646 | if (!inode) { | |
1647 | status = -ENOMEM; | |
1648 | mlog_errno(status); | |
1649 | goto bail; | |
1650 | } | |
1651 | ||
534eaddd TY |
1652 | /* get security xattr */ |
1653 | status = ocfs2_init_security_get(inode, dir, &si); | |
1654 | if (status) { | |
1655 | if (status == -EOPNOTSUPP) | |
1656 | si.enable = 0; | |
1657 | else { | |
1658 | mlog_errno(status); | |
1659 | goto bail; | |
1660 | } | |
1661 | } | |
1662 | ||
1663 | /* calculate meta data/clusters for setting security xattr */ | |
1664 | if (si.enable) { | |
1665 | status = ocfs2_calc_security_init(dir, &si, &want_clusters, | |
1666 | &xattr_credits, &xattr_ac); | |
ccd979bd | 1667 | if (status < 0) { |
534eaddd | 1668 | mlog_errno(status); |
ccd979bd MF |
1669 | goto bail; |
1670 | } | |
1671 | } | |
1672 | ||
534eaddd TY |
1673 | /* don't reserve bitmap space for fast symlinks. */ |
1674 | if (l > ocfs2_fast_symlink_chars(sb)) | |
1675 | want_clusters += 1; | |
1676 | ||
1677 | status = ocfs2_reserve_clusters(osb, want_clusters, &data_ac); | |
1678 | if (status < 0) { | |
1679 | if (status != -ENOSPC) | |
1680 | mlog_errno(status); | |
1681 | goto bail; | |
1682 | } | |
1683 | ||
1684 | handle = ocfs2_start_trans(osb, credits + xattr_credits); | |
ccd979bd MF |
1685 | if (IS_ERR(handle)) { |
1686 | status = PTR_ERR(handle); | |
1687 | handle = NULL; | |
1688 | mlog_errno(status); | |
1689 | goto bail; | |
1690 | } | |
1691 | ||
a90714c1 JK |
1692 | /* We don't use standard VFS wrapper because we don't want vfs_dq_init |
1693 | * to be called. */ | |
1694 | if (sb_any_quota_active(osb->sb) && | |
1695 | osb->sb->dq_op->alloc_inode(inode, 1) == NO_QUOTA) { | |
1696 | status = -EDQUOT; | |
1697 | goto bail; | |
1698 | } | |
1699 | did_quota_inode = 1; | |
1700 | ||
f5d36202 TY |
1701 | status = ocfs2_mknod_locked(osb, dir, inode, dentry, |
1702 | 0, &new_fe_bh, parent_fe_bh, handle, | |
1703 | inode_ac); | |
ccd979bd MF |
1704 | if (status < 0) { |
1705 | mlog_errno(status); | |
1706 | goto bail; | |
1707 | } | |
1708 | ||
1709 | fe = (struct ocfs2_dinode *) new_fe_bh->b_data; | |
1710 | inode->i_rdev = 0; | |
1711 | newsize = l - 1; | |
1712 | if (l > ocfs2_fast_symlink_chars(sb)) { | |
dcd0538f MF |
1713 | u32 offset = 0; |
1714 | ||
ccd979bd | 1715 | inode->i_op = &ocfs2_symlink_inode_operations; |
a90714c1 JK |
1716 | if (vfs_dq_alloc_space_nodirty(inode, |
1717 | ocfs2_clusters_to_bytes(osb->sb, 1))) { | |
1718 | status = -EDQUOT; | |
1719 | goto bail; | |
1720 | } | |
1721 | did_quota = 1; | |
0eb8d47e TM |
1722 | status = ocfs2_add_inode_data(osb, inode, &offset, 1, 0, |
1723 | new_fe_bh, | |
1724 | handle, data_ac, NULL, | |
1725 | NULL); | |
ccd979bd MF |
1726 | if (status < 0) { |
1727 | if (status != -ENOSPC && status != -EINTR) { | |
b0697053 MF |
1728 | mlog(ML_ERROR, |
1729 | "Failed to extend file to %llu\n", | |
1730 | (unsigned long long)newsize); | |
ccd979bd MF |
1731 | mlog_errno(status); |
1732 | status = -ENOSPC; | |
1733 | } | |
1734 | goto bail; | |
1735 | } | |
1736 | i_size_write(inode, newsize); | |
8110b073 | 1737 | inode->i_blocks = ocfs2_inode_sector_count(inode); |
ccd979bd MF |
1738 | } else { |
1739 | inode->i_op = &ocfs2_fast_symlink_inode_operations; | |
1740 | memcpy((char *) fe->id2.i_symlink, symname, l); | |
1741 | i_size_write(inode, newsize); | |
1742 | inode->i_blocks = 0; | |
1743 | } | |
1744 | ||
1745 | status = ocfs2_mark_inode_dirty(handle, inode, new_fe_bh); | |
1746 | if (status < 0) { | |
1747 | mlog_errno(status); | |
1748 | goto bail; | |
1749 | } | |
1750 | ||
1751 | if (!ocfs2_inode_is_fast_symlink(inode)) { | |
1752 | status = ocfs2_create_symlink_data(osb, handle, inode, | |
1753 | symname); | |
1754 | if (status < 0) { | |
1755 | mlog_errno(status); | |
1756 | goto bail; | |
1757 | } | |
1758 | } | |
1759 | ||
534eaddd TY |
1760 | if (si.enable) { |
1761 | status = ocfs2_init_security_set(handle, inode, new_fe_bh, &si, | |
1762 | xattr_ac, data_ac); | |
1763 | if (status < 0) { | |
1764 | mlog_errno(status); | |
1765 | goto bail; | |
1766 | } | |
1767 | } | |
1768 | ||
ccd979bd MF |
1769 | status = ocfs2_add_entry(handle, dentry, inode, |
1770 | le64_to_cpu(fe->i_blkno), parent_fe_bh, | |
4a12ca3a | 1771 | &lookup); |
ccd979bd MF |
1772 | if (status < 0) { |
1773 | mlog_errno(status); | |
1774 | goto bail; | |
1775 | } | |
1776 | ||
0027dd5b | 1777 | status = ocfs2_dentry_attach_lock(dentry, inode, OCFS2_I(dir)->ip_blkno); |
379dfe9d MF |
1778 | if (status) { |
1779 | mlog_errno(status); | |
1780 | goto bail; | |
1781 | } | |
1782 | ||
ccd979bd MF |
1783 | insert_inode_hash(inode); |
1784 | dentry->d_op = &ocfs2_dentry_ops; | |
1785 | d_instantiate(dentry, inode); | |
1786 | bail: | |
a90714c1 JK |
1787 | if (status < 0 && did_quota) |
1788 | vfs_dq_free_space_nodirty(inode, | |
1789 | ocfs2_clusters_to_bytes(osb->sb, 1)); | |
1790 | if (status < 0 && did_quota_inode) | |
1791 | vfs_dq_free_inode(inode); | |
ccd979bd | 1792 | if (handle) |
02dc1af4 | 1793 | ocfs2_commit_trans(osb, handle); |
6d8fc40e | 1794 | |
e63aecb6 | 1795 | ocfs2_inode_unlock(dir, 1); |
6d8fc40e | 1796 | |
a81cb88b MF |
1797 | brelse(new_fe_bh); |
1798 | brelse(parent_fe_bh); | |
534eaddd TY |
1799 | kfree(si.name); |
1800 | kfree(si.value); | |
4a12ca3a | 1801 | ocfs2_free_dir_lookup_result(&lookup); |
ccd979bd MF |
1802 | if (inode_ac) |
1803 | ocfs2_free_alloc_context(inode_ac); | |
1804 | if (data_ac) | |
1805 | ocfs2_free_alloc_context(data_ac); | |
534eaddd TY |
1806 | if (xattr_ac) |
1807 | ocfs2_free_alloc_context(xattr_ac); | |
f5d36202 TY |
1808 | if ((status < 0) && inode) { |
1809 | clear_nlink(inode); | |
ccd979bd | 1810 | iput(inode); |
f5d36202 | 1811 | } |
ccd979bd MF |
1812 | |
1813 | mlog_exit(status); | |
1814 | ||
1815 | return status; | |
1816 | } | |
1817 | ||
ccd979bd MF |
1818 | static int ocfs2_blkno_stringify(u64 blkno, char *name) |
1819 | { | |
1820 | int status, namelen; | |
1821 | ||
1822 | mlog_entry_void(); | |
1823 | ||
b0697053 MF |
1824 | namelen = snprintf(name, OCFS2_ORPHAN_NAMELEN + 1, "%016llx", |
1825 | (long long)blkno); | |
ccd979bd MF |
1826 | if (namelen <= 0) { |
1827 | if (namelen) | |
1828 | status = namelen; | |
1829 | else | |
1830 | status = -EINVAL; | |
1831 | mlog_errno(status); | |
1832 | goto bail; | |
1833 | } | |
1834 | if (namelen != OCFS2_ORPHAN_NAMELEN) { | |
1835 | status = -EINVAL; | |
1836 | mlog_errno(status); | |
1837 | goto bail; | |
1838 | } | |
1839 | ||
1840 | mlog(0, "built filename '%s' for orphan dir (len=%d)\n", name, | |
1841 | namelen); | |
1842 | ||
1843 | status = 0; | |
1844 | bail: | |
1845 | mlog_exit(status); | |
1846 | return status; | |
1847 | } | |
1848 | ||
1849 | static int ocfs2_prepare_orphan_dir(struct ocfs2_super *osb, | |
5098c27b | 1850 | struct inode **ret_orphan_dir, |
ccd979bd MF |
1851 | struct inode *inode, |
1852 | char *name, | |
4a12ca3a | 1853 | struct ocfs2_dir_lookup_result *lookup) |
ccd979bd | 1854 | { |
5098c27b | 1855 | struct inode *orphan_dir_inode; |
ccd979bd MF |
1856 | struct buffer_head *orphan_dir_bh = NULL; |
1857 | int status = 0; | |
1858 | ||
1859 | status = ocfs2_blkno_stringify(OCFS2_I(inode)->ip_blkno, name); | |
1860 | if (status < 0) { | |
1861 | mlog_errno(status); | |
5098c27b | 1862 | return status; |
ccd979bd MF |
1863 | } |
1864 | ||
1865 | orphan_dir_inode = ocfs2_get_system_file_inode(osb, | |
1866 | ORPHAN_DIR_SYSTEM_INODE, | |
1867 | osb->slot_num); | |
1868 | if (!orphan_dir_inode) { | |
1869 | status = -ENOENT; | |
1870 | mlog_errno(status); | |
5098c27b | 1871 | return status; |
ccd979bd MF |
1872 | } |
1873 | ||
5098c27b MF |
1874 | mutex_lock(&orphan_dir_inode->i_mutex); |
1875 | ||
e63aecb6 | 1876 | status = ocfs2_inode_lock(orphan_dir_inode, &orphan_dir_bh, 1); |
ccd979bd MF |
1877 | if (status < 0) { |
1878 | mlog_errno(status); | |
1879 | goto leave; | |
1880 | } | |
1881 | ||
1882 | status = ocfs2_prepare_dir_for_insert(osb, orphan_dir_inode, | |
1883 | orphan_dir_bh, name, | |
4a12ca3a | 1884 | OCFS2_ORPHAN_NAMELEN, lookup); |
ccd979bd | 1885 | if (status < 0) { |
e63aecb6 | 1886 | ocfs2_inode_unlock(orphan_dir_inode, 1); |
5098c27b | 1887 | |
ccd979bd MF |
1888 | mlog_errno(status); |
1889 | goto leave; | |
1890 | } | |
1891 | ||
5098c27b MF |
1892 | *ret_orphan_dir = orphan_dir_inode; |
1893 | ||
ccd979bd | 1894 | leave: |
5098c27b MF |
1895 | if (status) { |
1896 | mutex_unlock(&orphan_dir_inode->i_mutex); | |
ccd979bd | 1897 | iput(orphan_dir_inode); |
5098c27b | 1898 | } |
ccd979bd | 1899 | |
a81cb88b | 1900 | brelse(orphan_dir_bh); |
ccd979bd MF |
1901 | |
1902 | mlog_exit(status); | |
1903 | return status; | |
1904 | } | |
1905 | ||
1906 | static int ocfs2_orphan_add(struct ocfs2_super *osb, | |
1fabe148 | 1907 | handle_t *handle, |
ccd979bd MF |
1908 | struct inode *inode, |
1909 | struct ocfs2_dinode *fe, | |
1910 | char *name, | |
4a12ca3a | 1911 | struct ocfs2_dir_lookup_result *lookup, |
5098c27b | 1912 | struct inode *orphan_dir_inode) |
ccd979bd | 1913 | { |
ccd979bd MF |
1914 | struct buffer_head *orphan_dir_bh = NULL; |
1915 | int status = 0; | |
1916 | struct ocfs2_dinode *orphan_fe; | |
1917 | ||
1918 | mlog_entry("(inode->i_ino = %lu)\n", inode->i_ino); | |
1919 | ||
b657c95c | 1920 | status = ocfs2_read_inode_block(orphan_dir_inode, &orphan_dir_bh); |
ccd979bd MF |
1921 | if (status < 0) { |
1922 | mlog_errno(status); | |
1923 | goto leave; | |
1924 | } | |
1925 | ||
13723d00 JB |
1926 | status = ocfs2_journal_access_di(handle, orphan_dir_inode, orphan_dir_bh, |
1927 | OCFS2_JOURNAL_ACCESS_WRITE); | |
ccd979bd MF |
1928 | if (status < 0) { |
1929 | mlog_errno(status); | |
1930 | goto leave; | |
1931 | } | |
1932 | ||
1933 | /* we're a cluster, and nlink can change on disk from | |
1934 | * underneath us... */ | |
1935 | orphan_fe = (struct ocfs2_dinode *) orphan_dir_bh->b_data; | |
1936 | if (S_ISDIR(inode->i_mode)) | |
1937 | le16_add_cpu(&orphan_fe->i_links_count, 1); | |
1938 | orphan_dir_inode->i_nlink = le16_to_cpu(orphan_fe->i_links_count); | |
1939 | ||
1940 | status = ocfs2_journal_dirty(handle, orphan_dir_bh); | |
1941 | if (status < 0) { | |
1942 | mlog_errno(status); | |
1943 | goto leave; | |
1944 | } | |
1945 | ||
1946 | status = __ocfs2_add_entry(handle, orphan_dir_inode, name, | |
1947 | OCFS2_ORPHAN_NAMELEN, inode, | |
1948 | OCFS2_I(inode)->ip_blkno, | |
4a12ca3a | 1949 | orphan_dir_bh, lookup); |
ccd979bd MF |
1950 | if (status < 0) { |
1951 | mlog_errno(status); | |
1952 | goto leave; | |
1953 | } | |
1954 | ||
1955 | le32_add_cpu(&fe->i_flags, OCFS2_ORPHANED_FL); | |
1956 | ||
1957 | /* Record which orphan dir our inode now resides | |
1958 | * in. delete_inode will use this to determine which orphan | |
1959 | * dir to lock. */ | |
50008630 | 1960 | fe->i_orphaned_slot = cpu_to_le16(osb->slot_num); |
ccd979bd | 1961 | |
b0697053 MF |
1962 | mlog(0, "Inode %llu orphaned in slot %d\n", |
1963 | (unsigned long long)OCFS2_I(inode)->ip_blkno, osb->slot_num); | |
ccd979bd MF |
1964 | |
1965 | leave: | |
a81cb88b | 1966 | brelse(orphan_dir_bh); |
ccd979bd MF |
1967 | |
1968 | mlog_exit(status); | |
1969 | return status; | |
1970 | } | |
1971 | ||
1972 | /* unlike orphan_add, we expect the orphan dir to already be locked here. */ | |
1973 | int ocfs2_orphan_del(struct ocfs2_super *osb, | |
1fabe148 | 1974 | handle_t *handle, |
ccd979bd MF |
1975 | struct inode *orphan_dir_inode, |
1976 | struct inode *inode, | |
1977 | struct buffer_head *orphan_dir_bh) | |
1978 | { | |
1979 | char name[OCFS2_ORPHAN_NAMELEN + 1]; | |
1980 | struct ocfs2_dinode *orphan_fe; | |
1981 | int status = 0; | |
4a12ca3a | 1982 | struct ocfs2_dir_lookup_result lookup = { NULL, }; |
ccd979bd MF |
1983 | |
1984 | mlog_entry_void(); | |
1985 | ||
1986 | status = ocfs2_blkno_stringify(OCFS2_I(inode)->ip_blkno, name); | |
1987 | if (status < 0) { | |
1988 | mlog_errno(status); | |
1989 | goto leave; | |
1990 | } | |
1991 | ||
b0697053 MF |
1992 | mlog(0, "removing '%s' from orphan dir %llu (namelen=%d)\n", |
1993 | name, (unsigned long long)OCFS2_I(orphan_dir_inode)->ip_blkno, | |
1994 | OCFS2_ORPHAN_NAMELEN); | |
ccd979bd MF |
1995 | |
1996 | /* find it's spot in the orphan directory */ | |
4a12ca3a MF |
1997 | status = ocfs2_find_entry(name, OCFS2_ORPHAN_NAMELEN, orphan_dir_inode, |
1998 | &lookup); | |
1999 | if (status) { | |
ccd979bd MF |
2000 | mlog_errno(status); |
2001 | goto leave; | |
2002 | } | |
2003 | ||
2004 | /* remove it from the orphan directory */ | |
4a12ca3a | 2005 | status = ocfs2_delete_entry(handle, orphan_dir_inode, &lookup); |
ccd979bd MF |
2006 | if (status < 0) { |
2007 | mlog_errno(status); | |
2008 | goto leave; | |
2009 | } | |
2010 | ||
13723d00 JB |
2011 | status = ocfs2_journal_access_di(handle,orphan_dir_inode, orphan_dir_bh, |
2012 | OCFS2_JOURNAL_ACCESS_WRITE); | |
ccd979bd MF |
2013 | if (status < 0) { |
2014 | mlog_errno(status); | |
2015 | goto leave; | |
2016 | } | |
2017 | ||
2018 | /* do the i_nlink dance! :) */ | |
2019 | orphan_fe = (struct ocfs2_dinode *) orphan_dir_bh->b_data; | |
2020 | if (S_ISDIR(inode->i_mode)) | |
2021 | le16_add_cpu(&orphan_fe->i_links_count, -1); | |
2022 | orphan_dir_inode->i_nlink = le16_to_cpu(orphan_fe->i_links_count); | |
2023 | ||
2024 | status = ocfs2_journal_dirty(handle, orphan_dir_bh); | |
2025 | if (status < 0) { | |
2026 | mlog_errno(status); | |
2027 | goto leave; | |
2028 | } | |
2029 | ||
2030 | leave: | |
4a12ca3a | 2031 | ocfs2_free_dir_lookup_result(&lookup); |
ccd979bd MF |
2032 | |
2033 | mlog_exit(status); | |
2034 | return status; | |
2035 | } | |
2036 | ||
92e1d5be | 2037 | const struct inode_operations ocfs2_dir_iops = { |
ccd979bd MF |
2038 | .create = ocfs2_create, |
2039 | .lookup = ocfs2_lookup, | |
2040 | .link = ocfs2_link, | |
2041 | .unlink = ocfs2_unlink, | |
2042 | .rmdir = ocfs2_unlink, | |
2043 | .symlink = ocfs2_symlink, | |
2044 | .mkdir = ocfs2_mkdir, | |
2045 | .mknod = ocfs2_mknod, | |
2046 | .rename = ocfs2_rename, | |
2047 | .setattr = ocfs2_setattr, | |
2048 | .getattr = ocfs2_getattr, | |
d38eb8db | 2049 | .permission = ocfs2_permission, |
cf1d6c76 TY |
2050 | .setxattr = generic_setxattr, |
2051 | .getxattr = generic_getxattr, | |
2052 | .listxattr = ocfs2_listxattr, | |
2053 | .removexattr = generic_removexattr, | |
ccd979bd | 2054 | }; |