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1 /* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
2  * vim:expandtab:shiftwidth=8:tabstop=8:
3  *
4  *  Copyright (c) 2002, 2003 Cluster File Systems, Inc.
5  *
6  *   This file is part of Lustre, http://www.lustre.org.
7  *
8  *   Lustre is free software; you can redistribute it and/or
9  *   modify it under the terms of version 2 of the GNU General Public
10  *   License as published by the Free Software Foundation.
11  *
12  *   Lustre is distributed in the hope that it will be useful,
13  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
14  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15  *   GNU General Public License for more details.
16  *
17  *   You should have received a copy of the GNU General Public License
18  *   along with Lustre; if not, write to the Free Software
19  *   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
20  */
21
22 #include <linux/fs.h>
23 #include <linux/sched.h>
24 #include <linux/mm.h>
25 #include <linux/smp_lock.h>
26 #include <linux/quotaops.h>
27 #include <linux/highmem.h>
28 #include <linux/pagemap.h>
29
30 #define DEBUG_SUBSYSTEM S_LLITE
31
32 #include <obd_support.h>
33 #include <lustre_fid.h>
34 #include <lustre_lite.h>
35 #include <lustre_dlm.h>
36 #include <lustre_ver.h>
37 #include <lustre_mdc.h>
38 #include "llite_internal.h"
39
40 /*
41  * Check if we have something mounted at the named dchild.
42  * In such a case there would always be dentry present.
43  */
44 static int ll_d_mountpoint(struct dentry *dparent, struct dentry *dchild,
45                            struct qstr *name)
46 {
47         int mounted = 0;
48
49         if (unlikely(dchild)) {
50                 mounted = d_mountpoint(dchild);
51         } else if (dparent) {
52                 dchild = d_lookup(dparent, name);
53                 if (dchild) {
54                         mounted = d_mountpoint(dchild);
55                         dput(dchild);
56                 }
57         }
58         return mounted;
59 }
60
61 int ll_unlock(__u32 mode, struct lustre_handle *lockh)
62 {
63         ENTRY;
64
65         ldlm_lock_decref(lockh, mode);
66
67         RETURN(0);
68 }
69
70
71 /* called from iget5_locked->find_inode() under inode_lock spinlock */
72 static int ll_test_inode(struct inode *inode, void *opaque)
73 {
74         struct ll_inode_info *lli = ll_i2info(inode);
75         struct lustre_md     *md = opaque;
76
77         if (unlikely(!(md->body->valid & OBD_MD_FLID))) {
78                 CERROR("MDS body missing FID\n");
79                 return 0;
80         }
81
82         if (!lu_fid_eq(&lli->lli_fid, &md->body->fid1))
83                 return 0;
84
85         return 1;
86 }
87
88 static int ll_set_inode(struct inode *inode, void *opaque)
89 {
90         return 0;
91 }
92
93
94 /*
95  * Get an inode by inode number (already instantiated by the intent lookup).
96  * Returns inode or NULL
97  */
98 struct inode *ll_iget(struct super_block *sb, ino_t hash,
99                       struct lustre_md *md)
100 {
101         struct ll_inode_info *lli;
102         struct inode         *inode;
103         ENTRY;
104
105         LASSERT(hash != 0);
106         inode = iget5_locked(sb, hash, ll_test_inode, ll_set_inode, md);
107
108         if (inode) {
109                 lli = ll_i2info(inode);
110                 if (inode->i_state & I_NEW) {
111                         ll_read_inode2(inode, md);
112                         unlock_new_inode(inode);
113                 } else {
114                         if (!(inode->i_state & (I_FREEING | I_CLEAR)))
115                                 ll_update_inode(inode, md);
116                 }
117                 CDEBUG(D_VFSTRACE, "got inode: %lu/%u(%p) for "DFID"\n",
118                        inode->i_ino, inode->i_generation, inode,
119                        PFID(&lli->lli_fid));
120         }
121
122         RETURN(inode);
123 }
124
125 static void ll_drop_negative_dentry(struct inode *dir)
126
127         struct dentry *dentry, *tmp_alias, *tmp_subdir;
128
129         spin_lock(&dcache_lock);
130 restart:
131         list_for_each_entry_safe(dentry, tmp_alias,
132                                  &dir->i_dentry,d_alias) {
133                 if (!list_empty(&dentry->d_subdirs)) {
134                         struct dentry *child;
135                         list_for_each_entry_safe(child, tmp_subdir,
136                                                  &dentry->d_subdirs,
137                                                  d_child) {
138                                 /* XXX Print some debug here? */
139                                 if (!child->d_inode)
140                                 /* Negative dentry. If we were
141                                    dropping dcache lock, go
142                                    throught the list again */
143                                         if (ll_drop_dentry(child))
144                                                 goto restart;
145                         }
146                 }
147         }
148         spin_unlock(&dcache_lock);
149 }
150
151
152 int ll_md_blocking_ast(struct ldlm_lock *lock, struct ldlm_lock_desc *desc,
153                        void *data, int flag)
154 {
155         int rc;
156         struct lustre_handle lockh;
157         ENTRY;
158
159         switch (flag) {
160         case LDLM_CB_BLOCKING:
161                 ldlm_lock2handle(lock, &lockh);
162                 rc = ldlm_cli_cancel(&lockh);
163                 if (rc < 0) {
164                         CDEBUG(D_INODE, "ldlm_cli_cancel: %d\n", rc);
165                         RETURN(rc);
166                 }
167                 break;
168         case LDLM_CB_CANCELING: {
169                 struct inode *inode = ll_inode_from_lock(lock);
170                 __u64 bits = lock->l_policy_data.l_inodebits.bits;
171                 struct lu_fid *fid;
172
173                 /* Invalidate all dentries associated with this inode */
174                 if (inode == NULL)
175                         break;
176
177                 LASSERT(lock->l_flags & LDLM_FL_CANCELING);
178                 if ((bits & MDS_INODELOCK_LOOKUP) &&
179                     ll_have_md_lock(inode, MDS_INODELOCK_LOOKUP))
180                         bits &= ~MDS_INODELOCK_LOOKUP;
181                 if ((bits & MDS_INODELOCK_UPDATE) &&
182                     ll_have_md_lock(inode, MDS_INODELOCK_UPDATE))
183                         bits &= ~MDS_INODELOCK_UPDATE;
184                 if ((bits & MDS_INODELOCK_OPEN) &&
185                     ll_have_md_lock(inode, MDS_INODELOCK_OPEN))
186                         bits &= ~MDS_INODELOCK_OPEN;
187
188                 fid = ll_inode2fid(inode);
189                 if (lock->l_resource->lr_name.name[0] != fid_seq(fid) ||
190                     lock->l_resource->lr_name.name[1] != fid_oid(fid) ||
191                     lock->l_resource->lr_name.name[2] != fid_ver(fid)) {
192                         LDLM_ERROR(lock, "data mismatch with object "
193                                    DFID" (%p)", PFID(fid), inode);
194                 }
195
196                 if (bits & MDS_INODELOCK_OPEN) {
197                         int flags = 0;
198                         switch (lock->l_req_mode) {
199                         case LCK_CW:
200                                 flags = FMODE_WRITE;
201                                 break;
202                         case LCK_PR:
203                                 flags = FMODE_EXEC;
204                                 break;
205                         case LCK_CR:
206                                 flags = FMODE_READ;
207                                 break;
208                         default:
209                                 CERROR("Unexpected lock mode for OPEN lock "
210                                        "%d, inode %ld\n", lock->l_req_mode,
211                                        inode->i_ino);
212                         }
213                         ll_md_real_close(inode, flags);
214                 }
215
216                 if (bits & MDS_INODELOCK_UPDATE)
217                         ll_i2info(inode)->lli_flags &= ~LLIF_MDS_SIZE_LOCK;
218
219                 if (S_ISDIR(inode->i_mode) &&
220                      (bits & MDS_INODELOCK_UPDATE)) {
221                         CDEBUG(D_INODE, "invalidating inode %lu\n",
222                                inode->i_ino);
223                         truncate_inode_pages(inode->i_mapping, 0);
224                         ll_drop_negative_dentry(inode);
225                 }
226
227                 if (inode->i_sb->s_root &&
228                     inode != inode->i_sb->s_root->d_inode &&
229                     (bits & MDS_INODELOCK_LOOKUP))
230                         ll_unhash_aliases(inode);
231                 iput(inode);
232                 break;
233         }
234         default:
235                 LBUG();
236         }
237
238         RETURN(0);
239 }
240
241 __u32 ll_i2suppgid(struct inode *i)
242 {
243         if (in_group_p(i->i_gid))
244                 return (__u32)i->i_gid;
245         else
246                 return (__u32)(-1);
247 }
248
249 /* Pack the required supplementary groups into the supplied groups array.
250  * If we don't need to use the groups from the target inode(s) then we
251  * instead pack one or more groups from the user's supplementary group
252  * array in case it might be useful.  Not needed if doing an MDS-side upcall. */
253 void ll_i2gids(__u32 *suppgids, struct inode *i1, struct inode *i2)
254 {
255 #if 0
256         int i;
257 #endif
258
259         LASSERT(i1 != NULL);
260         LASSERT(suppgids != NULL);
261
262         suppgids[0] = ll_i2suppgid(i1);
263
264         if (i2)
265                 suppgids[1] = ll_i2suppgid(i2);
266                 else
267                         suppgids[1] = -1;
268
269 #if 0
270         for (i = 0; i < current_ngroups; i++) {
271                 if (suppgids[0] == -1) {
272                         if (current_groups[i] != suppgids[1])
273                                 suppgids[0] = current_groups[i];
274                         continue;
275                 }
276                 if (suppgids[1] == -1) {
277                         if (current_groups[i] != suppgids[0])
278                                 suppgids[1] = current_groups[i];
279                         continue;
280                 }
281                 break;
282         }
283 #endif
284 }
285
286 static void ll_d_add(struct dentry *de, struct inode *inode)
287 {
288         CDEBUG(D_DENTRY, "adding inode %p to dentry %p\n", inode, de);
289         /* d_instantiate */
290         if (!list_empty(&de->d_alias)) {
291                 spin_unlock(&dcache_lock);
292                 CERROR("dentry %.*s %p alias next %p, prev %p\n",
293                        de->d_name.len, de->d_name.name, de,
294                        de->d_alias.next, de->d_alias.prev);
295                 LBUG();
296         }
297         if (inode)
298                 list_add(&de->d_alias, &inode->i_dentry);
299         de->d_inode = inode;
300
301         /* d_rehash */
302         if (!d_unhashed(de)) {
303                 spin_unlock(&dcache_lock);
304                 CERROR("dentry %.*s %p hash next %p\n",
305                        de->d_name.len, de->d_name.name, de, de->d_hash.next);
306                 LBUG();
307         }
308         d_rehash_cond(de, 0);
309 }
310
311 /* Search "inode"'s alias list for a dentry that has the same name and parent
312  * as de.  If found, return it.  If not found, return de.
313  * Lustre can't use d_add_unique because don't unhash aliases for directory
314  * in ll_revalidate_it.  After revaliadate inode will be have hashed aliases
315  * and it triggers BUG_ON in d_instantiate_unique (bug #10954).
316  */
317 static struct dentry *ll_find_alias(struct inode *inode, struct dentry *de)
318 {
319         struct list_head *tmp;
320         struct dentry *dentry;
321         struct dentry *last_discon = NULL;
322  
323         spin_lock(&dcache_lock);
324         list_for_each(tmp, &inode->i_dentry) {
325                 dentry = list_entry(tmp, struct dentry, d_alias);
326
327                 /* We are called here with 'de' already on the aliases list. */
328                 if (unlikely(dentry == de)) {
329                         CERROR("whoops\n");
330                         continue;
331                 }
332
333                 if (dentry->d_flags & DCACHE_DISCONNECTED) {
334                         LASSERT(last_discon == NULL);
335                         last_discon = dentry;
336                         continue;
337                 }
338
339                 if (dentry->d_parent != de->d_parent)
340                         continue;
341
342                 if (dentry->d_name.hash != de->d_name.hash)
343                         continue;
344
345                 if (dentry->d_name.len != de->d_name.len)
346                         continue;
347
348                 if (memcmp(dentry->d_name.name, de->d_name.name,
349                            de->d_name.len) != 0)
350                         continue;
351
352                 dget_locked(dentry);
353                 lock_dentry(dentry);
354                 __d_drop(dentry);
355 #ifdef DCACHE_LUSTRE_INVALID
356                 dentry->d_flags &= ~DCACHE_LUSTRE_INVALID;
357 #endif
358                 unlock_dentry(dentry);
359                 d_rehash_cond(dentry, 0); /* avoid taking dcache_lock inside */
360                 spin_unlock(&dcache_lock);
361                 iput(inode);
362                 CDEBUG(D_DENTRY, "alias dentry %.*s (%p) parent %p inode %p "
363                        "refc %d\n", de->d_name.len, de->d_name.name, de,
364                        de->d_parent, de->d_inode, atomic_read(&de->d_count));
365                 return dentry;
366         }
367
368         if (last_discon) {
369                 CDEBUG(D_DENTRY, "Reuse disconnected dentry %p inode %p "
370                         "refc %d\n", last_discon, last_discon->d_inode,
371                         atomic_read(&last_discon->d_count));
372                 dget_locked(last_discon);
373                 spin_unlock(&dcache_lock);
374                 d_rehash(de);
375                 d_move(last_discon, de);
376                 iput(inode);
377                 return last_discon;
378         }
379
380         ll_d_add(de, inode);
381
382         spin_unlock(&dcache_lock);
383
384         return de;
385 }
386
387 static inline void ll_dop_init(struct dentry *de, int *set)
388 {
389         lock_dentry(de);
390         if (likely(de->d_op != &ll_d_ops)) {
391                 de->d_op = &ll_init_d_ops;
392                 *set = 1;
393         }
394         unlock_dentry(de);
395 }
396
397 static inline void ll_dop_fini(struct dentry *de, int succ)
398 {
399         lock_dentry(de);
400         if (likely(de->d_op == &ll_init_d_ops)) {
401                 if (succ)
402                         de->d_op = &ll_d_ops;
403                 else
404                         de->d_op = &ll_fini_d_ops;
405                 unlock_dentry(de);
406                 smp_wmb();
407                 ll_d_wakeup(de);
408         } else {
409                 if (succ)
410                         de->d_op = &ll_d_ops;
411                 unlock_dentry(de);
412         }
413 }
414
415 int ll_lookup_it_finish(struct ptlrpc_request *request,
416                      struct lookup_intent *it, void *data)
417 {
418         struct it_cb_data *icbd = data;
419         struct dentry **de = icbd->icbd_childp;
420         struct inode *parent = icbd->icbd_parent;
421         struct ll_sb_info *sbi = ll_i2sbi(parent);
422         struct inode *inode = NULL;
423         int set = 0, rc;
424         ENTRY;
425
426         ll_dop_init(*de, &set);
427
428         /* NB 1 request reference will be taken away by ll_intent_lock()
429          * when I return */
430         if (!it_disposition(it, DISP_LOOKUP_NEG)) {
431                 struct dentry *save = *de;
432
433                 rc = ll_prep_inode(&inode, request, (*de)->d_sb);
434                 if (rc) {
435                         if (set)
436                                 ll_dop_fini(*de, 0);
437                         RETURN(rc);
438                 }
439
440                 CDEBUG(D_DLMTRACE, "setting l_data to inode %p (%lu/%u)\n",
441                        inode, inode->i_ino, inode->i_generation);
442                 md_set_lock_data(sbi->ll_md_exp,
443                                  &it->d.lustre.it_lock_handle, inode);
444
445                 /* We used to query real size from OSTs here, but actually
446                    this is not needed. For stat() calls size would be updated
447                    from subsequent do_revalidate()->ll_inode_revalidate_it() in
448                    2.4 and
449                    vfs_getattr_it->ll_getattr()->ll_inode_revalidate_it() in 2.6
450                    Everybody else who needs correct file size would call
451                    ll_glimpse_size or some equivalent themselves anyway.
452                    Also see bug 7198. */
453
454                 *de = ll_find_alias(inode, *de);
455                 if (set && *de != save)
456                         ll_dop_fini(save, 0);
457         } else {
458                 /* Check that parent has UPDATE lock. If there is none, we
459                    cannot afford to hash this dentry (done by ll_d_add) as it
460                    might get picked up later when UPDATE lock will appear */
461                 if (ll_have_md_lock(parent, MDS_INODELOCK_UPDATE)) {
462                         spin_lock(&dcache_lock);
463                         ll_d_add(*de, inode);
464                         spin_unlock(&dcache_lock);
465                 } else {
466                         (*de)->d_inode = NULL;
467                         /* We do not want to hash the dentry if don`t have a
468                          * lock, but if this dentry is later used in d_move,
469                          * we'd hit uninitialised list head d_hash, so we just
470                          * do this to init d_hash field but leave dentry
471                          * unhashed. (bug 10796). */
472                         d_rehash(*de);
473                         d_drop(*de);
474                 }
475         }
476
477         ll_set_dd(*de);
478
479         ll_dop_fini(*de, 1);
480
481         RETURN(0);
482 }
483
484 static struct dentry *ll_lookup_it(struct inode *parent, struct dentry *dentry,
485                                    struct lookup_intent *it, int lookup_flags)
486 {
487         struct lookup_intent lookup_it = { .it_op = IT_LOOKUP };
488         struct dentry *save = dentry, *retval;
489         struct ptlrpc_request *req = NULL;
490         struct md_op_data *op_data;
491         struct it_cb_data icbd;
492         __u32 opc;
493         int rc;
494         ENTRY;
495
496         if (dentry->d_name.len > ll_i2sbi(parent)->ll_namelen)
497                 RETURN(ERR_PTR(-ENAMETOOLONG));
498
499         CDEBUG(D_VFSTRACE, "VFS Op:name=%.*s,dir=%lu/%u(%p),intent=%s\n",
500                dentry->d_name.len, dentry->d_name.name, parent->i_ino,
501                parent->i_generation, parent, LL_IT2STR(it));
502
503         if (d_mountpoint(dentry))
504                 CERROR("Tell Peter, lookup on mtpt, it %s\n", LL_IT2STR(it));
505
506         ll_frob_intent(&it, &lookup_it);
507
508         /* As do_lookup is called before follow_mount, root dentry may be left
509          * not valid, revalidate it here. */
510         if (parent->i_sb->s_root && (parent->i_sb->s_root->d_inode == parent) &&
511             (it->it_op & (IT_OPEN | IT_CREAT))) {
512                 rc = ll_inode_revalidate_it(parent->i_sb->s_root, it);
513                 if (rc)
514                         RETURN(ERR_PTR(rc));
515         }
516
517         if (it->it_op == IT_GETATTR) {
518                 rc = ll_statahead_enter(parent, &dentry, 1);
519                 if (rc >= 0) {
520                         ll_statahead_exit(dentry, rc);
521                         if (rc == 1)
522                                 RETURN(retval = dentry);
523                 }
524         }
525
526         icbd.icbd_childp = &dentry;
527         icbd.icbd_parent = parent;
528
529         if (it->it_op & IT_CREAT ||
530             (it->it_op & IT_OPEN && it->it_create_mode & O_CREAT))
531                 opc = LUSTRE_OPC_CREATE;
532         else
533                 opc = LUSTRE_OPC_ANY;
534
535         op_data = ll_prep_md_op_data(NULL, parent, NULL, dentry->d_name.name,
536                                      dentry->d_name.len, lookup_flags, opc,
537                                      NULL);
538         if (IS_ERR(op_data))
539                 RETURN((void *)op_data);
540
541         it->it_create_mode &= ~current->fs->umask;
542
543         rc = md_intent_lock(ll_i2mdexp(parent), op_data, NULL, 0, it,
544                             lookup_flags, &req, ll_md_blocking_ast, 0);
545         ll_finish_md_op_data(op_data);
546         if (rc < 0)
547                 GOTO(out, retval = ERR_PTR(rc));
548
549         rc = ll_lookup_it_finish(req, it, &icbd);
550         if (rc != 0) {
551                 ll_intent_release(it);
552                 GOTO(out, retval = ERR_PTR(rc));
553         }
554
555         if ((it->it_op & IT_OPEN) && dentry->d_inode &&
556             !S_ISREG(dentry->d_inode->i_mode) &&
557             !S_ISDIR(dentry->d_inode->i_mode)) {
558                 ll_release_openhandle(dentry, it);
559         }
560         ll_lookup_finish_locks(it, dentry);
561
562         if (dentry == save)
563                 GOTO(out, retval = NULL);
564         else
565                 GOTO(out, retval = dentry);
566  out:
567         if (req)
568                 ptlrpc_req_finished(req);
569         return retval;
570 }
571
572 #ifdef HAVE_VFS_INTENT_PATCHES
573 static struct dentry *ll_lookup_nd(struct inode *parent, struct dentry *dentry,
574                                    struct nameidata *nd)
575 {
576         struct dentry *de;
577         ENTRY;
578
579         if (nd && nd->flags & LOOKUP_LAST && !(nd->flags & LOOKUP_LINK_NOTLAST))
580                 de = ll_lookup_it(parent, dentry, &nd->intent, nd->flags);
581         else
582                 de = ll_lookup_it(parent, dentry, NULL, 0);
583
584         RETURN(de);
585 }
586 #else
587 struct lookup_intent *ll_convert_intent(struct open_intent *oit,
588                                         int lookup_flags)
589 {
590         struct lookup_intent *it;
591
592         OBD_ALLOC(it, sizeof(*it));
593         if (!it)
594                 return ERR_PTR(-ENOMEM);
595
596         if (lookup_flags & LOOKUP_OPEN) {
597                 it->it_op = IT_OPEN;
598                 if (lookup_flags & LOOKUP_CREATE)
599                         it->it_op |= IT_CREAT;
600                 it->it_create_mode = oit->create_mode;
601                 it->it_flags = oit->flags;
602         } else {
603                 it->it_op = IT_GETATTR;
604         }
605
606 #ifndef HAVE_FILE_IN_STRUCT_INTENT
607                 /* Since there is no way to pass our intent to ll_file_open,
608                  * just check the file is there. Actual open will be done
609                  * in ll_file_open */
610                 if (it->it_op & IT_OPEN)
611                         it->it_op = IT_LOOKUP;
612 #endif
613
614         return it;
615 }
616
617 static struct dentry *ll_lookup_nd(struct inode *parent, struct dentry *dentry,
618                                    struct nameidata *nd)
619 {
620         struct dentry *de;
621         ENTRY;
622
623         if (nd && !(nd->flags & (LOOKUP_CONTINUE|LOOKUP_PARENT))) {
624                 struct lookup_intent *it;
625
626 #if defined(HAVE_FILE_IN_STRUCT_INTENT) && (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,17))
627                 /* Did we came here from failed revalidate just to propagate
628                  * its error? */
629                 if (nd->flags & LOOKUP_OPEN)
630                         if (IS_ERR(nd->intent.open.file))
631                                 RETURN((struct dentry *)nd->intent.open.file);
632 #endif
633
634                 if (ll_d2d(dentry) && ll_d2d(dentry)->lld_it) {
635                         it = ll_d2d(dentry)->lld_it;
636                         ll_d2d(dentry)->lld_it = NULL;
637                 } else {
638                         it = ll_convert_intent(&nd->intent.open, nd->flags);
639                         if (IS_ERR(it))
640                                 RETURN((struct dentry *)it);
641                 }
642
643                 de = ll_lookup_it(parent, dentry, it, nd->flags);
644                 if (de)
645                         dentry = de;
646                 if ((nd->flags & LOOKUP_OPEN) && !IS_ERR(dentry)) { /* Open */
647                         if (dentry->d_inode &&
648                             it_disposition(it, DISP_OPEN_OPEN)) { /* nocreate */
649 #ifdef HAVE_FILE_IN_STRUCT_INTENT
650                                 if (S_ISFIFO(dentry->d_inode->i_mode)) {
651                                         // We cannot call open here as it would
652                                         // deadlock.
653                                         ptlrpc_req_finished(
654                                                        (struct ptlrpc_request *)
655                                                           it->d.lustre.it_data);
656                                 } else {
657                                         struct file *filp;
658                                         nd->intent.open.file->private_data = it;
659                                         filp =lookup_instantiate_filp(nd,dentry,
660                                                                       NULL);
661 #if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,17))
662 /* 2.6.1[456] have a bug in open_namei() that forgets to check
663  * nd->intent.open.file for error, so we need to return it as lookup's result
664  * instead */
665                                         if (IS_ERR(filp)) {
666                                                 if (de)
667                                                         dput(de);
668                                                 de = (struct dentry *) filp;
669                                         }
670 #endif
671
672                                 }
673 #else /* HAVE_FILE_IN_STRUCT_INTENT */
674                                 /* Release open handle as we have no way to
675                                  * pass it to ll_file_open */
676                                 ll_release_openhandle(dentry, it);
677 #endif /* HAVE_FILE_IN_STRUCT_INTENT */
678                         } else if (it_disposition(it, DISP_OPEN_CREATE)) {
679                                 // XXX This can only reliably work on assumption
680                                 // that there are NO hashed negative dentries.
681                                 ll_d2d(dentry)->lld_it = it;
682                                 it = NULL; /* Will be freed in ll_create_nd */
683                                 /* We absolutely depend on ll_create_nd to be
684                                  * called to not leak this intent and possible
685                                  * data attached to it */
686                         }
687                 }
688
689                 if (it) {
690                         ll_intent_release(it);
691                         OBD_FREE(it, sizeof(*it));
692                 }
693         } else {
694                 de = ll_lookup_it(parent, dentry, NULL, 0);
695         }
696
697         RETURN(de);
698 }
699 #endif
700
701 /* We depend on "mode" being set with the proper file type/umask by now */
702 static struct inode *ll_create_node(struct inode *dir, const char *name,
703                                     int namelen, const void *data, int datalen,
704                                     int mode, __u64 extra,
705                                     struct lookup_intent *it)
706 {
707         struct inode *inode = NULL;
708         struct ptlrpc_request *request = NULL;
709         struct ll_sb_info *sbi = ll_i2sbi(dir);
710         int rc;
711         ENTRY;
712
713         LASSERT(it && it->d.lustre.it_disposition);
714
715         LASSERT(it_disposition(it, DISP_ENQ_CREATE_REF));
716         request = it->d.lustre.it_data;
717         it_clear_disposition(it, DISP_ENQ_CREATE_REF);
718         rc = ll_prep_inode(&inode, request, dir->i_sb);
719         if (rc)
720                 GOTO(out, inode = ERR_PTR(rc));
721
722         LASSERT(list_empty(&inode->i_dentry));
723
724         /* We asked for a lock on the directory, but were granted a
725          * lock on the inode.  Since we finally have an inode pointer,
726          * stuff it in the lock. */
727         CDEBUG(D_DLMTRACE, "setting l_ast_data to inode %p (%lu/%u)\n",
728                inode, inode->i_ino, inode->i_generation);
729         md_set_lock_data(sbi->ll_md_exp,
730                          &it->d.lustre.it_lock_handle, inode);
731         EXIT;
732  out:
733         ptlrpc_req_finished(request);
734         return inode;
735 }
736
737 /*
738  * By the time this is called, we already have created the directory cache
739  * entry for the new file, but it is so far negative - it has no inode.
740  *
741  * We defer creating the OBD object(s) until open, to keep the intent and
742  * non-intent code paths similar, and also because we do not have the MDS
743  * inode number before calling ll_create_node() (which is needed for LOV),
744  * so we would need to do yet another RPC to the MDS to store the LOV EA
745  * data on the MDS.  If needed, we would pass the PACKED lmm as data and
746  * lmm_size in datalen (the MDS still has code which will handle that).
747  *
748  * If the create succeeds, we fill in the inode information
749  * with d_instantiate().
750  */
751 static int ll_create_it(struct inode *dir, struct dentry *dentry, int mode,
752                         struct lookup_intent *it)
753 {
754         struct inode *inode;
755         int rc = 0;
756         ENTRY;
757
758         CDEBUG(D_VFSTRACE, "VFS Op:name=%.*s,dir=%lu/%u(%p),intent=%s\n",
759                dentry->d_name.len, dentry->d_name.name, dir->i_ino,
760                dir->i_generation, dir, LL_IT2STR(it));
761
762         rc = it_open_error(DISP_OPEN_CREATE, it);
763         if (rc)
764                 RETURN(rc);
765
766         inode = ll_create_node(dir, dentry->d_name.name, dentry->d_name.len,
767                                NULL, 0, mode, 0, it);
768         if (IS_ERR(inode)) {
769                 RETURN(PTR_ERR(inode));
770         }
771
772         d_instantiate(dentry, inode);
773         /* Negative dentry may be unhashed if parent does not have UPDATE lock,
774          * but some callers, e.g. do_coredump, expect dentry to be hashed after
775          * successful create. Hash it here. */
776         spin_lock(&dcache_lock);
777         if (d_unhashed(dentry))
778                 d_rehash_cond(dentry, 0);
779         spin_unlock(&dcache_lock);
780         RETURN(0);
781 }
782
783 static void ll_update_times(struct ptlrpc_request *request,
784                             struct inode *inode)
785 {
786         struct mdt_body *body = req_capsule_server_get(&request->rq_pill,
787                                                        &RMF_MDT_BODY);
788
789         LASSERT(body);
790         /* mtime is always updated with ctime, but can be set in past.
791            As write and utime(2) may happen within 1 second, and utime's
792            mtime has a priority over write's one, so take mtime from mds
793            for the same ctimes. */
794         if (body->valid & OBD_MD_FLCTIME &&
795             body->ctime >= LTIME_S(inode->i_ctime)) {
796                 LTIME_S(inode->i_ctime) = body->ctime;
797
798                 if (body->valid & OBD_MD_FLMTIME) {
799                         CDEBUG(D_INODE, "setting ino %lu mtime from %lu "
800                                "to "LPU64"\n", inode->i_ino,
801                                LTIME_S(inode->i_mtime), body->mtime);
802                         LTIME_S(inode->i_mtime) = body->mtime;
803                 }
804         }
805 }
806
807 static int ll_new_node(struct inode *dir, struct qstr *name,
808                        const char *tgt, int mode, int rdev,
809                        struct dentry *dchild, __u32 opc)
810 {
811         struct ptlrpc_request *request = NULL;
812         struct md_op_data *op_data;
813         struct inode *inode = NULL;
814         struct ll_sb_info *sbi = ll_i2sbi(dir);
815         int tgt_len = 0;
816         int err;
817
818         ENTRY;
819         if (unlikely(tgt != NULL))
820                 tgt_len = strlen(tgt) + 1;
821
822         op_data = ll_prep_md_op_data(NULL, dir, NULL, name->name,
823                                      name->len, 0, opc, NULL);
824         if (IS_ERR(op_data))
825                 GOTO(err_exit, err = PTR_ERR(op_data));
826
827         err = md_create(sbi->ll_md_exp, op_data, tgt, tgt_len, mode,
828                         current->fsuid, current->fsgid,
829                         current->cap_effective, rdev, &request);
830         ll_finish_md_op_data(op_data);
831         if (err)
832                 GOTO(err_exit, err);
833
834         ll_update_times(request, dir);
835
836         if (dchild) {
837                 err = ll_prep_inode(&inode, request, dchild->d_sb);
838                 if (err)
839                      GOTO(err_exit, err);
840
841                 d_drop(dchild);
842                 d_instantiate(dchild, inode);
843                 EXIT;
844         }
845 err_exit:
846         ptlrpc_req_finished(request);
847
848         return err;
849 }
850
851 static int ll_mknod_generic(struct inode *dir, struct qstr *name, int mode,
852                             unsigned rdev, struct dentry *dchild)
853 {
854         int err;
855         ENTRY;
856
857         CDEBUG(D_VFSTRACE, "VFS Op:name=%.*s,dir=%lu/%u(%p) mode %o dev %x\n",
858                name->len, name->name, dir->i_ino, dir->i_generation, dir,
859                mode, rdev);
860
861         mode &= ~current->fs->umask;
862
863         switch (mode & S_IFMT) {
864         case 0:
865                 mode |= S_IFREG; /* for mode = 0 case, fallthrough */
866         case S_IFREG:
867         case S_IFCHR:
868         case S_IFBLK:
869         case S_IFIFO:
870         case S_IFSOCK:
871                 err = ll_new_node(dir, name, NULL, mode, rdev, dchild,
872                                   LUSTRE_OPC_MKNOD);
873                 break;
874         case S_IFDIR:
875                 err = -EPERM;
876                 break;
877         default:
878                 err = -EINVAL;
879         }
880         RETURN(err);
881 }
882
883 #ifndef HAVE_VFS_INTENT_PATCHES
884 static int ll_create_nd(struct inode *dir, struct dentry *dentry,
885                         int mode, struct nameidata *nd)
886 {
887         struct lookup_intent *it = ll_d2d(dentry)->lld_it;
888         int rc;
889
890         if (!it)
891                 return ll_mknod_generic(dir, &dentry->d_name, mode, 0, dentry);
892
893         ll_d2d(dentry)->lld_it = NULL;
894
895         /* Was there an error? Propagate it! */
896         if (it->d.lustre.it_status) {
897                 rc = it->d.lustre.it_status;
898                 goto out;
899         }
900
901         rc = ll_create_it(dir, dentry, mode, it);
902 #ifdef HAVE_FILE_IN_STRUCT_INTENT
903         if (nd && (nd->flags & LOOKUP_OPEN) && dentry->d_inode) { /* Open */
904                 nd->intent.open.file->private_data = it;
905                 lookup_instantiate_filp(nd, dentry, NULL);
906         }
907 #else
908         ll_release_openhandle(dentry,it);
909 #endif
910
911 out:
912         ll_intent_release(it);
913         OBD_FREE(it, sizeof(*it));
914
915         return rc;
916 }
917 #else
918 static int ll_create_nd(struct inode *dir, struct dentry *dentry,
919                         int mode, struct nameidata *nd)
920 {
921         if (!nd || !nd->intent.d.lustre.it_disposition)
922                 /* No saved request? Just mknod the file */
923                 return ll_mknod_generic(dir, &dentry->d_name, mode, 0, dentry);
924
925         return ll_create_it(dir, dentry, mode, &nd->intent);
926 }
927 #endif
928
929 static int ll_symlink_generic(struct inode *dir, struct qstr *name,
930                               const char *tgt, struct dentry *dchild)
931 {
932         int err;
933         ENTRY;
934
935         CDEBUG(D_VFSTRACE, "VFS Op:name=%.*s,dir=%lu/%u(%p),target=%.*s\n",
936                name->len, name->name, dir->i_ino, dir->i_generation,
937                dir, 3000, tgt);
938
939         err = ll_new_node(dir, name, (char *)tgt, S_IFLNK | S_IRWXUGO,
940                           0, dchild, LUSTRE_OPC_SYMLINK);
941         RETURN(err);
942 }
943
944 static int ll_link_generic(struct inode *src,  struct inode *dir,
945                            struct qstr *name, struct dentry *dchild)
946 {
947         struct ll_sb_info *sbi = ll_i2sbi(dir);
948         struct ptlrpc_request *request = NULL;
949         struct md_op_data *op_data;
950         int err;
951
952         ENTRY;
953         CDEBUG(D_VFSTRACE,
954                "VFS Op: inode=%lu/%u(%p), dir=%lu/%u(%p), target=%.*s\n",
955                src->i_ino, src->i_generation, src, dir->i_ino,
956                dir->i_generation, dir, name->len, name->name);
957
958         op_data = ll_prep_md_op_data(NULL, src, dir, name->name, name->len,
959                                      0, LUSTRE_OPC_ANY, NULL);
960         if (IS_ERR(op_data))
961                 RETURN(PTR_ERR(op_data));
962
963         err = md_link(sbi->ll_md_exp, op_data, &request);
964         ll_finish_md_op_data(op_data);
965         if (err)
966                 GOTO(out, err);
967         if (dchild)
968                 d_drop(dchild);
969
970         ll_update_times(request, dir);
971         EXIT;
972 out:
973         ptlrpc_req_finished(request);
974         RETURN(err);
975 }
976
977 static int ll_mkdir_generic(struct inode *dir, struct qstr *name,
978                             int mode, struct dentry *dchild)
979
980 {
981         int err;
982         ENTRY;
983
984         CDEBUG(D_VFSTRACE, "VFS Op:name=%.*s,dir=%lu/%u(%p)\n",
985                name->len, name->name, dir->i_ino, dir->i_generation, dir);
986
987         mode = (mode & (S_IRWXUGO|S_ISVTX) & ~current->fs->umask) | S_IFDIR;
988         err = ll_new_node(dir, name, NULL, mode, 0, dchild, LUSTRE_OPC_MKDIR);
989
990         RETURN(err);
991 }
992
993 /* Try to find the child dentry by its name.
994    If found, put the result fid into @fid. */
995 static void ll_get_child_fid(struct inode * dir, struct qstr *name,
996                              struct lu_fid *fid)
997 {
998         struct dentry *parent, *child;
999         
1000         parent = list_entry(dir->i_dentry.next, struct dentry, d_alias);
1001         child = d_lookup(parent, name);
1002         if (child) {
1003                 if (child->d_inode)
1004                         *fid = *ll_inode2fid(child->d_inode);
1005                 dput(child);
1006         }
1007 }
1008
1009 static int ll_rmdir_generic(struct inode *dir, struct dentry *dparent,
1010                             struct dentry *dchild, struct qstr *name)
1011 {
1012         struct ptlrpc_request *request = NULL;
1013         struct md_op_data *op_data;
1014         int rc;
1015         ENTRY;
1016         
1017         CDEBUG(D_VFSTRACE, "VFS Op:name=%.*s,dir=%lu/%u(%p)\n",
1018                name->len, name->name, dir->i_ino, dir->i_generation, dir);
1019
1020         if (unlikely(ll_d_mountpoint(dparent, dchild, name)))
1021                 RETURN(-EBUSY);
1022
1023         op_data = ll_prep_md_op_data(NULL, dir, NULL, name->name, name->len,
1024                                      S_IFDIR, LUSTRE_OPC_ANY, NULL);
1025         if (IS_ERR(op_data))
1026                 RETURN(PTR_ERR(op_data));
1027
1028         ll_get_child_fid(dir, name, &op_data->op_fid3);
1029         rc = md_unlink(ll_i2sbi(dir)->ll_md_exp, op_data, &request);
1030         ll_finish_md_op_data(op_data);
1031         if (rc == 0)
1032                 ll_update_times(request, dir);
1033         ptlrpc_req_finished(request);
1034         RETURN(rc);
1035 }
1036
1037 int ll_objects_destroy(struct ptlrpc_request *request, struct inode *dir)
1038 {
1039         struct mdt_body *body;
1040         struct lov_mds_md *eadata;
1041         struct lov_stripe_md *lsm = NULL;
1042         struct obd_trans_info oti = { 0 };
1043         struct obdo *oa;
1044         int rc;
1045         ENTRY;
1046
1047         /* req is swabbed so this is safe */
1048         body = req_capsule_server_get(&request->rq_pill, &RMF_MDT_BODY);
1049         if (!(body->valid & OBD_MD_FLEASIZE))
1050                 RETURN(0);
1051
1052         if (body->eadatasize == 0) {
1053                 CERROR("OBD_MD_FLEASIZE set but eadatasize zero\n");
1054                 GOTO(out, rc = -EPROTO);
1055         }
1056
1057         /* The MDS sent back the EA because we unlinked the last reference
1058          * to this file. Use this EA to unlink the objects on the OST.
1059          * It's opaque so we don't swab here; we leave it to obd_unpackmd() to
1060          * check it is complete and sensible. */
1061         eadata = req_capsule_server_sized_get(&request->rq_pill, &RMF_MDT_MD,
1062                                               body->eadatasize);
1063         LASSERT(eadata != NULL);
1064
1065         rc = obd_unpackmd(ll_i2dtexp(dir), &lsm, eadata, body->eadatasize);
1066         if (rc < 0) {
1067                 CERROR("obd_unpackmd: %d\n", rc);
1068                 GOTO(out, rc);
1069         }
1070         LASSERT(rc >= sizeof(*lsm));
1071
1072         rc = obd_checkmd(ll_i2dtexp(dir), ll_i2mdexp(dir), lsm);
1073         if (rc)
1074                 GOTO(out_free_memmd, rc);
1075
1076         OBDO_ALLOC(oa);
1077         if (oa == NULL)
1078                 GOTO(out_free_memmd, rc = -ENOMEM);
1079
1080         oa->o_id = lsm->lsm_object_id;
1081         oa->o_gr = lsm->lsm_object_gr;
1082         oa->o_mode = body->mode & S_IFMT;
1083         oa->o_valid = OBD_MD_FLID | OBD_MD_FLTYPE | OBD_MD_FLGROUP;
1084
1085         if (body->valid & OBD_MD_FLCOOKIE) {
1086                 oa->o_valid |= OBD_MD_FLCOOKIE;
1087                 oti.oti_logcookies = 
1088                         req_capsule_server_sized_get(&request->rq_pill,
1089                                                      &RMF_LOGCOOKIES,
1090                                                    sizeof(struct llog_cookie) *
1091                                                      lsm->lsm_stripe_count);
1092                 if (oti.oti_logcookies == NULL) {
1093                         oa->o_valid &= ~OBD_MD_FLCOOKIE;
1094                         body->valid &= ~OBD_MD_FLCOOKIE;
1095                 }
1096         }
1097
1098         rc = obd_destroy(ll_i2dtexp(dir), oa, lsm, &oti, ll_i2mdexp(dir));
1099         OBDO_FREE(oa);
1100         if (rc)
1101                 CERROR("obd destroy objid "LPX64" error %d\n",
1102                        lsm->lsm_object_id, rc);
1103  out_free_memmd:
1104         obd_free_memmd(ll_i2dtexp(dir), &lsm);
1105  out:
1106         return rc;
1107 }
1108
1109 static int ll_unlink_generic(struct inode *dir, struct dentry *dparent,
1110                              struct dentry *dchild, struct qstr *name)
1111 {
1112         struct ptlrpc_request *request = NULL;
1113         struct md_op_data *op_data;
1114         int rc;
1115         ENTRY;
1116         CDEBUG(D_VFSTRACE, "VFS Op:name=%.*s,dir=%lu/%u(%p)\n",
1117                name->len, name->name, dir->i_ino, dir->i_generation, dir);
1118
1119         /*
1120          * XXX: unlink bind mountpoint maybe call to here,
1121          * just check it as vfs_unlink does.
1122          */
1123         if (unlikely(ll_d_mountpoint(dparent, dchild, name)))
1124                 RETURN(-EBUSY);
1125
1126         op_data = ll_prep_md_op_data(NULL, dir, NULL, name->name,
1127                                      name->len, 0, LUSTRE_OPC_ANY, NULL);
1128         if (IS_ERR(op_data))
1129                 RETURN(PTR_ERR(op_data));
1130
1131         ll_get_child_fid(dir, name, &op_data->op_fid3);
1132         rc = md_unlink(ll_i2sbi(dir)->ll_md_exp, op_data, &request);
1133         ll_finish_md_op_data(op_data);
1134         if (rc)
1135                 GOTO(out, rc);
1136
1137         ll_update_times(request, dir);
1138
1139         rc = ll_objects_destroy(request, dir);
1140  out:
1141         ptlrpc_req_finished(request);
1142         RETURN(rc);
1143 }
1144
1145 static int ll_rename_generic(struct inode *src, struct dentry *src_dparent,
1146                              struct dentry *src_dchild, struct qstr *src_name,
1147                              struct inode *tgt, struct dentry *tgt_dparent,
1148                              struct dentry *tgt_dchild, struct qstr *tgt_name)
1149 {
1150         struct ptlrpc_request *request = NULL;
1151         struct ll_sb_info *sbi = ll_i2sbi(src);
1152         struct md_op_data *op_data;
1153         int err;
1154         ENTRY;
1155         CDEBUG(D_VFSTRACE,"VFS Op:oldname=%.*s,src_dir=%lu/%u(%p),newname=%.*s,"
1156                "tgt_dir=%lu/%u(%p)\n", src_name->len, src_name->name,
1157                src->i_ino, src->i_generation, src, tgt_name->len,
1158                tgt_name->name, tgt->i_ino, tgt->i_generation, tgt);
1159
1160         if (unlikely(ll_d_mountpoint(src_dparent, src_dchild, src_name) ||
1161             ll_d_mountpoint(tgt_dparent, tgt_dchild, tgt_name)))
1162                 RETURN(-EBUSY);
1163
1164         op_data = ll_prep_md_op_data(NULL, src, tgt, NULL, 0, 0,
1165                                      LUSTRE_OPC_ANY, NULL);
1166         if (IS_ERR(op_data))
1167                 RETURN(PTR_ERR(op_data));
1168
1169         ll_get_child_fid(src, src_name, &op_data->op_fid3);
1170         ll_get_child_fid(tgt, tgt_name, &op_data->op_fid4);
1171         err = md_rename(sbi->ll_md_exp, op_data,
1172                         src_name->name, src_name->len,
1173                         tgt_name->name, tgt_name->len, &request);
1174         ll_finish_md_op_data(op_data);
1175         if (!err) {
1176                 ll_update_times(request, src);
1177                 ll_update_times(request, tgt);
1178                 err = ll_objects_destroy(request, src);
1179         }
1180
1181         ptlrpc_req_finished(request);
1182
1183         RETURN(err);
1184 }
1185
1186 #ifdef HAVE_VFS_INTENT_PATCHES
1187 static int ll_mknod_raw(struct nameidata *nd, int mode, dev_t rdev)
1188 {
1189         return ll_mknod_generic(nd->dentry->d_inode, &nd->last, mode,rdev,NULL);
1190 }
1191 static int ll_rename_raw(struct nameidata *srcnd, struct nameidata *tgtnd)
1192 {
1193         return ll_rename_generic(srcnd->dentry->d_inode, srcnd->dentry,
1194                                  NULL, &srcnd->last,
1195                                  tgtnd->dentry->d_inode, tgtnd->dentry,
1196                                  NULL, &tgtnd->last);
1197 }
1198 static int ll_link_raw(struct nameidata *srcnd, struct nameidata *tgtnd)
1199 {
1200         return ll_link_generic(srcnd->dentry->d_inode, tgtnd->dentry->d_inode,
1201                                &tgtnd->last, NULL);
1202 }
1203 static int ll_symlink_raw(struct nameidata *nd, const char *tgt)
1204 {
1205         return ll_symlink_generic(nd->dentry->d_inode, &nd->last, tgt, NULL);
1206 }
1207 static int ll_rmdir_raw(struct nameidata *nd)
1208 {
1209         return ll_rmdir_generic(nd->dentry->d_inode, nd->dentry, NULL,
1210                                 &nd->last);
1211 }
1212 static int ll_mkdir_raw(struct nameidata *nd, int mode)
1213 {
1214         return ll_mkdir_generic(nd->dentry->d_inode, &nd->last, mode, NULL);
1215 }
1216 static int ll_unlink_raw(struct nameidata *nd)
1217 {
1218         return ll_unlink_generic(nd->dentry->d_inode, nd->dentry, NULL,
1219                                  &nd->last);
1220 }
1221 #endif
1222
1223 static int ll_mknod(struct inode *dir, struct dentry *dchild, int mode,
1224                     ll_dev_t rdev)
1225 {
1226         return ll_mknod_generic(dir, &dchild->d_name, mode,
1227                                 old_encode_dev(rdev), dchild);
1228 }
1229
1230 static int ll_unlink(struct inode * dir, struct dentry *dentry)
1231 {
1232         return ll_unlink_generic(dir, NULL, dentry, &dentry->d_name);
1233 }
1234 static int ll_mkdir(struct inode *dir, struct dentry *dentry, int mode)
1235 {
1236         return ll_mkdir_generic(dir, &dentry->d_name, mode, dentry);
1237 }
1238 static int ll_rmdir(struct inode *dir, struct dentry *dentry)
1239 {
1240         return ll_rmdir_generic(dir, NULL, dentry, &dentry->d_name);
1241 }
1242 static int ll_symlink(struct inode *dir, struct dentry *dentry,
1243                       const char *oldname)
1244 {
1245         return ll_symlink_generic(dir, &dentry->d_name, oldname, dentry);
1246 }
1247 static int ll_link(struct dentry *old_dentry, struct inode *dir,
1248                    struct dentry *new_dentry)
1249 {
1250         return ll_link_generic(old_dentry->d_inode, dir, &new_dentry->d_name,
1251                                new_dentry);
1252 }
1253 static int ll_rename(struct inode *old_dir, struct dentry *old_dentry,
1254                      struct inode *new_dir, struct dentry *new_dentry)
1255 {
1256         return ll_rename_generic(old_dir, NULL,
1257                                  old_dentry, &old_dentry->d_name,
1258                                  new_dir, NULL, new_dentry,
1259                                  &new_dentry->d_name);
1260 }
1261
1262 struct inode_operations ll_dir_inode_operations = {
1263 #ifdef HAVE_VFS_INTENT_PATCHES
1264         .link_raw           = ll_link_raw,
1265         .unlink_raw         = ll_unlink_raw,
1266         .symlink_raw        = ll_symlink_raw,
1267         .mkdir_raw          = ll_mkdir_raw,
1268         .rmdir_raw          = ll_rmdir_raw,
1269         .mknod_raw          = ll_mknod_raw,
1270         .rename_raw         = ll_rename_raw,
1271         .setattr            = ll_setattr,
1272         .setattr_raw        = ll_setattr_raw,
1273 #endif
1274         .mknod              = ll_mknod,
1275         .lookup             = ll_lookup_nd,
1276         .create             = ll_create_nd,
1277         /* We need all these non-raw things for NFSD, to not patch it. */
1278         .unlink             = ll_unlink,
1279         .mkdir              = ll_mkdir,
1280         .rmdir              = ll_rmdir,
1281         .symlink            = ll_symlink,
1282         .link               = ll_link,
1283         .rename             = ll_rename,
1284         .setattr            = ll_setattr,
1285         .getattr            = ll_getattr,
1286         .permission         = ll_inode_permission,
1287         .setxattr           = ll_setxattr,
1288         .getxattr           = ll_getxattr,
1289         .listxattr          = ll_listxattr,
1290         .removexattr        = ll_removexattr,
1291 };
1292
1293 struct inode_operations ll_special_inode_operations = {
1294 #ifdef HAVE_VFS_INTENT_PATCHES
1295         .setattr_raw    = ll_setattr_raw,
1296 #endif
1297         .setattr        = ll_setattr,
1298         .getattr        = ll_getattr,
1299         .permission     = ll_inode_permission,
1300         .setxattr       = ll_setxattr,
1301         .getxattr       = ll_getxattr,
1302         .listxattr      = ll_listxattr,
1303         .removexattr    = ll_removexattr,
1304 };