1 /* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
2 * vim:expandtab:shiftwidth=8:tabstop=8:
4 * Copyright (c) 2002, 2003 Cluster File Systems, Inc.
6 * This file is part of Lustre, http://www.lustre.org.
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.
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.
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.
21 * derived in small part from linux/fs/ext2/namei.c
23 * Copyright (C) 1991, 1992 Linus Torvalds
25 * Big-endian to little-endian byte-swapping/bitmaps by
26 * David S. Miller (davem@caip.rutgers.edu), 1995
27 * Directory entry file type support and forward compatibility hooks
28 * for B-tree directories by Theodore Ts'o (tytso@mit.edu), 1998
32 #include <linux/sched.h>
34 #include <linux/smp_lock.h>
35 #include <linux/quotaops.h>
36 #include <linux/highmem.h>
37 #include <linux/pagemap.h>
39 #define DEBUG_SUBSYSTEM S_LLITE
41 #include <linux/obd_support.h>
42 #include <linux/lustre_lite.h>
43 #include <linux/lustre_dlm.h>
44 #include <linux/lustre_version.h>
45 #include "llite_internal.h"
49 #if (LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0))
50 static int ll_test_inode(struct inode *inode, unsigned long ino, void *opaque)
52 static int ll_test_inode(struct inode *inode, void *opaque)
55 static int last_ino, last_gen, last_count;
56 struct lustre_md *md = opaque;
58 if (!(md->body->valid & (OBD_MD_FLGENER | OBD_MD_FLID))) {
59 CERROR("MDS body missing inum or generation\n");
63 if (last_ino == md->body->ino && last_gen == md->body->generation &&
68 CDEBUG(D_VFSTRACE, "compared %u/%u %u times\n",
69 last_ino, last_gen, last_count);
71 last_ino = md->body->ino;
72 last_gen = md->body->generation;
74 "comparing inode %p ino %lu/%u to body %u/%u\n",
75 inode, inode->i_ino, inode->i_generation,
76 md->body->ino, md->body->generation);
79 #if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0))
80 if (inode->i_ino != md->body->ino)
83 if (inode->i_generation != md->body->generation)
86 /* Apply the attributes in 'opaque' to this inode */
87 ll_update_inode(inode, md->body, md->lsm);
91 extern struct dentry_operations ll_d_ops;
93 int ll_unlock(__u32 mode, struct lustre_handle *lockh)
97 ldlm_lock_decref(lockh, mode);
102 /* Get an inode by inode number (already instantiated by the intent lookup).
103 * Returns inode or NULL
105 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,0))
106 int ll_set_inode(struct inode *inode, void *opaque)
108 ll_read_inode2(inode, opaque);
112 struct inode *ll_iget(struct super_block *sb, ino_t hash,
113 struct lustre_md *md)
118 inode = iget5_locked(sb, hash, ll_test_inode, ll_set_inode, md);
121 if (inode->i_state & I_NEW)
122 unlock_new_inode(inode);
123 CDEBUG(D_VFSTRACE, "inode: %lu/%u(%p)\n", inode->i_ino,
124 inode->i_generation, inode);
130 struct inode *ll_iget(struct super_block *sb, ino_t hash,
131 struct lustre_md *md)
135 inode = iget4(sb, hash, ll_test_inode, md);
137 CDEBUG(D_VFSTRACE, "inode: %lu/%u(%p)\n", inode->i_ino,
138 inode->i_generation, inode);
143 int ll_mdc_blocking_ast(struct ldlm_lock *lock, struct ldlm_lock_desc *desc,
144 void *data, int flag)
147 struct lustre_handle lockh;
151 case LDLM_CB_BLOCKING:
152 ldlm_lock2handle(lock, &lockh);
153 rc = ldlm_cli_cancel(&lockh);
155 CDEBUG(D_INODE, "ldlm_cli_cancel: %d\n", rc);
159 case LDLM_CB_CANCELING: {
160 struct inode *inode = ll_inode_from_lock(lock);
162 /* Invalidate all dentries associated with this inode */
166 clear_bit(LLI_F_HAVE_MDS_SIZE_LOCK,
167 &(ll_i2info(inode)->lli_flags));
169 if (lock->l_resource->lr_name.name[0] != inode->i_ino ||
170 lock->l_resource->lr_name.name[1] != inode->i_generation) {
171 LDLM_ERROR(lock, "data mismatch with ino %lu/%u",
172 inode->i_ino, inode->i_generation);
174 if (S_ISDIR(inode->i_mode)) {
175 CDEBUG(D_INODE, "invalidating inode %lu\n",
178 truncate_inode_pages(inode->i_mapping, 0);
181 if (inode->i_sb->s_root &&
182 inode != inode->i_sb->s_root->d_inode)
183 ll_unhash_aliases(inode);
194 int ll_mdc_cancel_unused(struct lustre_handle *conn, struct inode *inode,
195 int flags, void *opaque)
197 struct ldlm_res_id res_id =
198 { .name = {inode->i_ino, inode->i_generation} };
199 struct obd_device *obddev = class_conn2obd(conn);
202 RETURN(ldlm_cli_cancel_unused(obddev->obd_namespace, &res_id, flags,
207 void ll_prepare_mdc_op_data(struct mdc_op_data *data, struct inode *i1,
208 struct inode *i2, const char *name, int namelen,
213 ll_i2uctxt(&data->ctxt, i1, i2);
214 ll_inode2fid(&data->fid1, i1);
217 ll_inode2fid(&data->fid2, i2);
220 data->namelen = namelen;
221 data->create_mode = mode;
222 data->mod_time = LTIME_S(CURRENT_TIME);
225 /* Search "inode"'s alias list for a dentry that has the same name and parent as
226 * de. If found, return it. If not found, return de. */
227 struct dentry *ll_find_alias(struct inode *inode, struct dentry *de)
229 struct list_head *tmp;
231 spin_lock(&dcache_lock);
232 list_for_each(tmp, &inode->i_dentry) {
233 struct dentry *dentry = list_entry(tmp, struct dentry, d_alias);
235 /* We are called here with 'de' already on the aliases list. */
241 if (dentry->d_parent != de->d_parent)
244 if (dentry->d_name.len != de->d_name.len)
247 if (memcmp(dentry->d_name.name, de->d_name.name,
248 de->d_name.len) != 0)
251 if (!list_empty(&dentry->d_lru))
252 list_del_init(&dentry->d_lru);
254 hlist_del_init(&dentry->d_hash);
255 __d_rehash(dentry, 0); /* avoid taking dcache_lock inside */
256 spin_unlock(&dcache_lock);
257 atomic_inc(&dentry->d_count);
259 dentry->d_flags &= ~DCACHE_LUSTRE_INVALID;
260 CDEBUG(D_DENTRY, "alias dentry %*s (%p) parent %p inode %p "
261 "refc %d\n", de->d_name.len, de->d_name.name, de,
262 de->d_parent, de->d_inode, atomic_read(&de->d_count));
266 spin_unlock(&dcache_lock);
271 static int lookup_it_finish(struct ptlrpc_request *request, int offset,
272 struct lookup_intent *it, void *data)
274 struct it_cb_data *icbd = data;
275 struct dentry **de = icbd->icbd_childp;
276 struct inode *parent = icbd->icbd_parent;
277 struct ll_sb_info *sbi = ll_i2sbi(parent);
278 struct dentry *dentry = *de, *saved = *de;
279 struct inode *inode = NULL;
282 /* NB 1 request reference will be taken away by ll_intent_lock()
284 if (!it_disposition(it, DISP_LOOKUP_NEG)) {
287 rc = ll_prep_inode(sbi->ll_osc_exp, &inode, request, offset,
292 CDEBUG(D_DLMTRACE, "setting l_data to inode %p (%lu/%u)\n",
293 inode, inode->i_ino, inode->i_generation);
294 mdc_set_lock_data(&it->d.lustre.it_lock_handle, inode);
296 /* If this is a stat, get the authoritative file size */
297 if (it->it_op == IT_GETATTR && S_ISREG(inode->i_mode) &&
298 ll_i2info(inode)->lli_smd != NULL) {
299 struct lov_stripe_md *lsm = ll_i2info(inode)->lli_smd;
302 LASSERT(lsm->lsm_object_id != 0);
304 /* bug 2334: drop MDS lock before acquiring OST lock */
305 ll_intent_drop_lock(it);
307 rc = ll_glimpse_size(inode);
314 dentry = *de = ll_find_alias(inode, dentry);
319 dentry->d_op = &ll_d_ops;
323 d_add(dentry, inode);
329 static struct dentry *ll_lookup_it(struct inode *parent, struct dentry *dentry,
330 struct lookup_intent *it, int flags)
332 struct dentry *save = dentry, *retval;
334 struct ll_uctxt ctxt;
335 struct it_cb_data icbd;
336 struct ptlrpc_request *req = NULL;
337 struct lookup_intent lookup_it = { .it_op = IT_LOOKUP };
341 if (dentry->d_name.len > EXT3_NAME_LEN)
342 RETURN(ERR_PTR(-ENAMETOOLONG));
344 CDEBUG(D_VFSTRACE, "VFS Op:name=%s,dir=%lu/%u(%p),intent=%s\n",
345 dentry->d_name.name, parent->i_ino, parent->i_generation,
346 parent, LL_IT2STR(it));
348 if (d_mountpoint(dentry))
349 CERROR("Tell Peter, lookup on mtpt, it %s\n", LL_IT2STR(it));
351 ll_frob_intent(&it, &lookup_it);
353 icbd.icbd_childp = &dentry;
354 icbd.icbd_parent = parent;
355 ll_inode2fid(&pfid, parent);
356 ll_i2uctxt(&ctxt, parent, NULL);
358 rc = mdc_intent_lock(ll_i2mdcexp(parent), &ctxt, &pfid,
359 dentry->d_name.name, dentry->d_name.len, NULL, 0,
360 NULL, it, flags, &req, ll_mdc_blocking_ast);
362 GOTO(out, retval = ERR_PTR(rc));
364 rc = lookup_it_finish(req, 1, it, &icbd);
366 ll_intent_release(it);
367 GOTO(out, retval = ERR_PTR(rc));
370 ll_lookup_finish_locks(it, dentry);
373 GOTO(out, retval = NULL);
375 GOTO(out, retval = dentry);
378 ptlrpc_req_finished(req);
382 #if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0))
383 static struct dentry *ll_lookup_nd(struct inode *parent, struct dentry *dentry,
384 struct nameidata *nd)
389 if (nd && nd->flags & LOOKUP_LAST && !(nd->flags & LOOKUP_LINK_NOTLAST))
390 de = ll_lookup_it(parent, dentry, &nd->intent, nd->flags);
392 de = ll_lookup_it(parent, dentry, NULL, 0);
398 /* We depend on "mode" being set with the proper file type/umask by now */
399 static struct inode *ll_create_node(struct inode *dir, const char *name,
400 int namelen, const void *data, int datalen,
401 int mode, __u64 extra,
402 struct lookup_intent *it)
404 struct inode *inode = NULL;
405 struct ptlrpc_request *request = NULL;
406 struct ll_sb_info *sbi = ll_i2sbi(dir);
410 LASSERT(it && it->d.lustre.it_disposition);
412 request = it->d.lustre.it_data;
413 rc = ll_prep_inode(sbi->ll_osc_exp, &inode, request, 1, dir->i_sb);
415 GOTO(out, inode = ERR_PTR(rc));
417 LASSERT(list_empty(&inode->i_dentry));
419 /* We asked for a lock on the directory, but were granted a
420 * lock on the inode. Since we finally have an inode pointer,
421 * stuff it in the lock. */
422 CDEBUG(D_DLMTRACE, "setting l_ast_data to inode %p (%lu/%u)\n",
423 inode, inode->i_ino, inode->i_generation);
424 mdc_set_lock_data(&it->d.lustre.it_lock_handle, inode);
427 ptlrpc_req_finished(request);
432 * By the time this is called, we already have created the directory cache
433 * entry for the new file, but it is so far negative - it has no inode.
435 * We defer creating the OBD object(s) until open, to keep the intent and
436 * non-intent code paths similar, and also because we do not have the MDS
437 * inode number before calling ll_create_node() (which is needed for LOV),
438 * so we would need to do yet another RPC to the MDS to store the LOV EA
439 * data on the MDS. If needed, we would pass the PACKED lmm as data and
440 * lmm_size in datalen (the MDS still has code which will handle that).
442 * If the create succeeds, we fill in the inode information
443 * with d_instantiate().
445 static int ll_create_it(struct inode *dir, struct dentry *dentry, int mode,
446 struct lookup_intent *it)
449 struct ptlrpc_request *request = it->d.lustre.it_data;
453 CDEBUG(D_VFSTRACE, "VFS Op:name=%s,dir=%lu/%u(%p),intent=%s\n",
454 dentry->d_name.name, dir->i_ino, dir->i_generation, dir,
457 rc = it_open_error(DISP_OPEN_CREATE, it);
461 mdc_store_inode_generation(request, 2, 1);
462 inode = ll_create_node(dir, dentry->d_name.name, dentry->d_name.len,
463 NULL, 0, mode, 0, it);
465 RETURN(PTR_ERR(inode));
468 d_instantiate(dentry, inode);
472 #if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0))
473 static int ll_create_nd(struct inode *dir, struct dentry *dentry, int mode, struct nameidata *nd)
475 return ll_create_it(dir, dentry, mode, &nd->intent);
479 static int ll_mknod_raw(struct nameidata *nd, int mode, dev_t rdev)
481 struct ptlrpc_request *request = NULL;
482 struct inode *dir = nd->dentry->d_inode;
483 const char *name = nd->last.name;
484 int len = nd->last.len;
485 struct ll_sb_info *sbi = ll_i2sbi(dir);
486 struct mdc_op_data op_data;
490 CDEBUG(D_VFSTRACE, "VFS Op:name=%s,dir=%lu/%u(%p)\n",
491 name, dir->i_ino, dir->i_generation, dir);
493 if (dir->i_nlink >= EXT3_LINK_MAX)
496 mode &= ~current->fs->umask;
498 switch (mode & S_IFMT) {
501 mode |= S_IFREG; /* for mode = 0 case, fallthrough */
506 ll_prepare_mdc_op_data(&op_data, dir, NULL, name, len, 0);
507 err = mdc_create(sbi->ll_mdc_exp, &op_data, NULL, 0, mode,
508 current->fsuid, current->fsgid,
510 ptlrpc_req_finished(request);
521 static int ll_mknod(struct inode *dir, struct dentry *child, int mode,
524 struct ptlrpc_request *request = NULL;
525 struct inode *inode = NULL;
526 const char *name = child->d_name.name;
527 int len = child->d_name.len;
528 struct ll_sb_info *sbi = ll_i2sbi(dir);
529 struct mdc_op_data op_data;
533 CDEBUG(D_VFSTRACE, "VFS Op:name=%s,dir=%lu/%u(%p)\n",
534 name, dir->i_ino, dir->i_generation, dir);
536 if (dir->i_nlink >= EXT3_LINK_MAX)
539 mode &= ~current->fs->umask;
541 switch (mode & S_IFMT) {
544 mode |= S_IFREG; /* for mode = 0 case, fallthrough */
549 ll_prepare_mdc_op_data(&op_data, dir, NULL, name, len, 0);
550 err = mdc_create(sbi->ll_mdc_exp, &op_data, NULL, 0, mode,
551 current->fsuid, current->fsgid,
553 err = ll_prep_inode(sbi->ll_osc_exp, &inode, request, 0,
565 d_instantiate(child, inode);
567 ptlrpc_req_finished(request);
571 static int ll_symlink_raw(struct nameidata *nd, const char *tgt)
573 struct inode *dir = nd->dentry->d_inode;
574 const char *name = nd->last.name;
575 int len = nd->last.len;
576 struct ptlrpc_request *request = NULL;
577 struct ll_sb_info *sbi = ll_i2sbi(dir);
578 struct mdc_op_data op_data;
582 CDEBUG(D_VFSTRACE, "VFS Op:name=%s,dir=%lu/%u(%p),target=%s\n",
583 name, dir->i_ino, dir->i_generation, dir, tgt);
585 if (dir->i_nlink >= EXT3_LINK_MAX)
588 ll_prepare_mdc_op_data(&op_data, dir, NULL, name, len, 0);
589 err = mdc_create(sbi->ll_mdc_exp, &op_data,
590 tgt, strlen(tgt) + 1, S_IFLNK | S_IRWXUGO,
591 current->fsuid, current->fsgid, 0, &request);
592 ptlrpc_req_finished(request);
596 static int ll_link_raw(struct nameidata *srcnd, struct nameidata *tgtnd)
598 struct inode *src = srcnd->dentry->d_inode;
599 struct inode *dir = tgtnd->dentry->d_inode;
600 const char *name = tgtnd->last.name;
601 int len = tgtnd->last.len;
602 struct ptlrpc_request *request = NULL;
603 struct mdc_op_data op_data;
605 struct ll_sb_info *sbi = ll_i2sbi(dir);
608 CDEBUG(D_VFSTRACE, "VFS Op:inode=%lu/%u(%p),dir=%lu/%u(%p),target=%s\n",
609 src->i_ino, src->i_generation, src,
610 dir->i_ino, dir->i_generation, dir, name);
612 ll_prepare_mdc_op_data(&op_data, src, dir, name, len, 0);
613 err = mdc_link(sbi->ll_mdc_exp, &op_data, &request);
614 ptlrpc_req_finished(request);
620 static int ll_mkdir_raw(struct nameidata *nd, int mode)
622 struct inode *dir = nd->dentry->d_inode;
623 const char *name = nd->last.name;
624 int len = nd->last.len;
625 struct ptlrpc_request *request = NULL;
626 struct ll_sb_info *sbi = ll_i2sbi(dir);
627 struct mdc_op_data op_data;
630 CDEBUG(D_VFSTRACE, "VFS Op:name=%s,dir=%lu/%u(%p)\n",
631 name, dir->i_ino, dir->i_generation, dir);
633 if (dir->i_nlink >= EXT3_LINK_MAX)
636 mode = (mode & (S_IRWXUGO|S_ISVTX) & ~current->fs->umask) | S_IFDIR;
637 ll_prepare_mdc_op_data(&op_data, dir, NULL, name, len, 0);
638 err = mdc_create(sbi->ll_mdc_exp, &op_data, NULL, 0, mode,
639 current->fsuid, current->fsgid, 0, &request);
640 ptlrpc_req_finished(request);
644 static int ll_rmdir_raw(struct nameidata *nd)
646 struct inode *dir = nd->dentry->d_inode;
647 const char *name = nd->last.name;
648 int len = nd->last.len;
649 struct ptlrpc_request *request = NULL;
650 struct mdc_op_data op_data;
653 CDEBUG(D_VFSTRACE, "VFS Op:name=%s,dir=%lu/%u(%p)\n",
654 name, dir->i_ino, dir->i_generation, dir);
656 ll_prepare_mdc_op_data(&op_data, dir, NULL, name, len, S_IFDIR);
657 rc = mdc_unlink(ll_i2sbi(dir)->ll_mdc_exp, &op_data, &request);
658 ptlrpc_req_finished(request);
662 int ll_objects_destroy(struct ptlrpc_request *request, struct inode *dir)
664 struct mds_body *body;
665 struct lov_mds_md *eadata;
666 struct lov_stripe_md *lsm = NULL;
667 struct obd_trans_info oti = { 0 };
672 /* req is swabbed so this is safe */
673 body = lustre_msg_buf(request->rq_repmsg, 0, sizeof(*body));
675 if (!(body->valid & OBD_MD_FLEASIZE))
678 if (body->eadatasize == 0) {
679 CERROR("OBD_MD_FLEASIZE set but eadatasize zero\n");
680 GOTO(out, rc = -EPROTO);
683 /* The MDS sent back the EA because we unlinked the last reference
684 * to this file. Use this EA to unlink the objects on the OST.
685 * It's opaque so we don't swab here; we leave it to obd_unpackmd() to
686 * check it is complete and sensible. */
687 eadata = lustre_swab_repbuf(request, 1, body->eadatasize, NULL);
688 LASSERT(eadata != NULL);
689 if (eadata == NULL) {
690 CERROR("Can't unpack MDS EA data\n");
691 GOTO(out, rc = -EPROTO);
694 rc = obd_unpackmd(ll_i2obdexp(dir), &lsm, eadata, body->eadatasize);
696 CERROR("obd_unpackmd: %d\n", rc);
699 LASSERT(rc >= sizeof(*lsm));
703 GOTO(out_free_memmd, rc = -ENOMEM);
705 oa->o_id = lsm->lsm_object_id;
706 oa->o_mode = body->mode & S_IFMT;
707 oa->o_valid = OBD_MD_FLID | OBD_MD_FLTYPE;
709 if (body->valid & OBD_MD_FLCOOKIE) {
710 oa->o_valid |= OBD_MD_FLCOOKIE;
712 lustre_msg_buf(request->rq_repmsg, 2,
713 sizeof(struct llog_cookie) *
714 lsm->lsm_stripe_count);
715 if (oti.oti_logcookies == NULL) {
716 oa->o_valid &= ~OBD_MD_FLCOOKIE;
717 body->valid &= ~OBD_MD_FLCOOKIE;
721 rc = obd_destroy(ll_i2obdexp(dir), oa, lsm, &oti);
724 CERROR("obd destroy objid "LPX64" error %d\n",
725 lsm->lsm_object_id, rc);
727 obd_free_memmd(ll_i2obdexp(dir), &lsm);
732 static int ll_unlink_raw(struct nameidata *nd)
734 struct inode *dir = nd->dentry->d_inode;
735 const char *name = nd->last.name;
736 int len = nd->last.len;
737 struct ptlrpc_request *request = NULL;
738 struct mdc_op_data op_data;
741 CDEBUG(D_VFSTRACE, "VFS Op:name=%s,dir=%lu/%u(%p)\n",
742 name, dir->i_ino, dir->i_generation, dir);
744 ll_prepare_mdc_op_data(&op_data, dir, NULL, name, len, 0);
745 rc = mdc_unlink(ll_i2sbi(dir)->ll_mdc_exp, &op_data, &request);
749 rc = ll_objects_destroy(request, dir);
751 ptlrpc_req_finished(request);
755 static int ll_rename_raw(struct nameidata *oldnd, struct nameidata *newnd)
757 struct inode *src = oldnd->dentry->d_inode;
758 struct inode *tgt = newnd->dentry->d_inode;
759 const char *oldname = oldnd->last.name;
760 int oldlen = oldnd->last.len;
761 const char *newname = newnd->last.name;
762 int newlen = newnd->last.len;
763 struct ptlrpc_request *request = NULL;
764 struct ll_sb_info *sbi = ll_i2sbi(src);
765 struct mdc_op_data op_data;
768 CDEBUG(D_VFSTRACE, "VFS Op:oldname=%s,src_dir=%lu/%u(%p),newname=%s,"
769 "tgt_dir=%lu/%u(%p)\n", oldname, src->i_ino, src->i_generation,
770 src, newname, tgt->i_ino, tgt->i_generation, tgt);
772 ll_prepare_mdc_op_data(&op_data, src, tgt, NULL, 0, 0);
773 err = mdc_rename(sbi->ll_mdc_exp, &op_data,
774 oldname, oldlen, newname, newlen, &request);
776 err = ll_objects_destroy(request, src);
779 ptlrpc_req_finished(request);
784 struct inode_operations ll_dir_inode_operations = {
785 .link_raw = ll_link_raw,
786 .unlink_raw = ll_unlink_raw,
787 .symlink_raw = ll_symlink_raw,
788 .mkdir_raw = ll_mkdir_raw,
789 .rmdir_raw = ll_rmdir_raw,
790 .mknod_raw = ll_mknod_raw,
792 .rename_raw = ll_rename_raw,
793 .setattr = ll_setattr,
794 .setattr_raw = ll_setattr_raw,
795 #if (LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0))
796 .create_it = ll_create_it,
797 .lookup_it = ll_lookup_it,
798 .revalidate_it = ll_inode_revalidate_it,
800 .lookup = ll_lookup_nd,
801 .create = ll_create_nd,
802 .getattr_it = ll_getattr,