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 == id_ino(&md->body->id1) &&
64 last_gen == id_gen(&md->body->id1) &&
69 CDEBUG(D_VFSTRACE, "compared %u/%u %u times\n",
70 last_ino, last_gen, last_count);
72 last_ino = id_ino(&md->body->id1);
73 last_gen = id_gen(&md->body->id1);
75 "comparing inode %p ino "DLID4" to body "DLID4"\n",
76 inode, OLID4(&ll_i2info(inode)->lli_id),
77 OLID4(&md->body->id1));
80 #if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0))
81 if (inode->i_ino != id_ino(&md->body->id1))
84 if (inode->i_generation != id_gen(&md->body->id1))
87 if (id_group(&ll_i2info(inode)->lli_id) != id_group(&md->body->id1))
90 /* apply the attributes in 'opaque' to this inode. */
91 ll_update_inode(inode, md);
95 extern struct dentry_operations ll_d_ops;
97 int ll_unlock(__u32 mode, struct lustre_handle *lockh)
101 ldlm_lock_decref(lockh, mode);
107 * get an inode by inode number (already instantiated by the intent lookup).
108 * Returns inode or NULL.
110 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,0))
111 int ll_set_inode(struct inode *inode, void *opaque)
113 ll_read_inode2(inode, opaque);
117 struct inode *ll_iget(struct super_block *sb, ino_t hash,
118 struct lustre_md *md)
123 inode = iget5_locked(sb, hash, ll_test_inode, ll_set_inode, md);
126 if (inode->i_state & I_NEW)
127 unlock_new_inode(inode);
128 CDEBUG(D_VFSTRACE, "inode: %lu/%u(%p)\n", inode->i_ino,
129 inode->i_generation, inode);
135 struct inode *ll_iget(struct super_block *sb, ino_t hash,
136 struct lustre_md *md)
140 inode = iget4(sb, hash, ll_test_inode, md);
142 CDEBUG(D_VFSTRACE, "inode: %lu/%u(%p)\n", inode->i_ino,
143 inode->i_generation, inode);
148 int ll_mdc_blocking_ast(struct ldlm_lock *lock, struct ldlm_lock_desc *desc,
149 void *data, int flag)
152 struct lustre_handle lockh;
156 case LDLM_CB_BLOCKING:
157 ldlm_lock2handle(lock, &lockh);
158 rc = ldlm_cli_cancel(&lockh);
160 CDEBUG(D_INODE, "ldlm_cli_cancel: %d\n", rc);
164 case LDLM_CB_CANCELING: {
165 struct inode *inode = ll_inode_from_lock(lock);
166 struct ll_inode_info *li = ll_i2info(inode);
167 __u64 bits = lock->l_policy_data.l_inodebits.bits;
169 /* For lookup locks: Invalidate all dentries associated with
170 this inode, for UPDATE locks - invalidate directory pages */
174 if (bits & MDS_INODELOCK_UPDATE)
175 clear_bit(LLI_F_HAVE_MDS_SIZE_LOCK,
176 &(ll_i2info(inode)->lli_flags));
179 if (lock->l_resource->lr_name.name[0] != id_fid(&li->lli_id) ||
180 lock->l_resource->lr_name.name[1] != id_group(&li->lli_id)) {
181 LDLM_ERROR(lock, "data mismatch with object %lu/%lu",
182 (unsigned long)id_fid(&li->lli_id),
183 (unsigned long)id_group(&li->lli_id));
186 /* If lookup lock is cancelled, we just drop the dentry and
187 this will cause us to reget data from MDS when we'd want to
188 access this dentry/inode again. If this is lock on
189 other parts of inode that is cancelled, we do not need to do
190 much (but need to discard data from readdir, if any), since
191 abscence of lock will cause ll_revalidate_it (called from
192 stat() and similar functions) to renew the data anyway */
193 if (S_ISDIR(inode->i_mode) &&
194 (bits & MDS_INODELOCK_UPDATE)) {
195 CDEBUG(D_INODE, "invalidating inode %lu/%u(%p)\n",
196 inode->i_ino, inode->i_generation, inode);
197 truncate_inode_pages(inode->i_mapping, 0);
200 if (inode->i_sb->s_root &&
201 inode != inode->i_sb->s_root->d_inode &&
202 (bits & MDS_INODELOCK_LOOKUP))
203 ll_unhash_aliases(inode);
214 int ll_mdc_cancel_unused(struct lustre_handle *conn, struct inode *inode,
215 int flags, void *opaque)
217 struct ll_inode_info *li = ll_i2info(inode);
218 struct ldlm_res_id res_id =
219 { .name = {id_fid(&li->lli_id), id_group(&li->lli_id)} };
220 struct obd_device *obddev = class_conn2obd(conn);
223 RETURN(ldlm_cli_cancel_unused(obddev->obd_namespace, &res_id, flags,
227 /* Search "inode"'s alias list for a dentry that has the same name and parent as
228 * de. If found, return it. If not found, return de. */
229 struct dentry *ll_find_alias(struct inode *inode, struct dentry *de)
231 struct list_head *tmp;
233 spin_lock(&dcache_lock);
234 list_for_each(tmp, &inode->i_dentry) {
235 struct dentry *dentry = list_entry(tmp, struct dentry, d_alias);
237 /* We are called here with 'de' already on the aliases list. */
243 if (dentry->d_parent != de->d_parent)
246 if (dentry->d_name.len != de->d_name.len)
249 if (memcmp(dentry->d_name.name, de->d_name.name,
250 de->d_name.len) != 0)
253 if (!list_empty(&dentry->d_lru))
254 list_del_init(&dentry->d_lru);
256 hlist_del_init(&dentry->d_hash);
257 __d_rehash(dentry, 0); /* avoid taking dcache_lock inside */
258 spin_unlock(&dcache_lock);
259 atomic_inc(&dentry->d_count);
261 dentry->d_flags &= ~DCACHE_LUSTRE_INVALID;
262 CDEBUG(D_DENTRY, "alias dentry %*s (%p) parent %p inode %p "
263 "refc %d\n", de->d_name.len, de->d_name.name, de,
264 de->d_parent, de->d_inode, atomic_read(&de->d_count));
268 spin_unlock(&dcache_lock);
273 static int lookup_it_finish(struct ptlrpc_request *request, int offset,
274 struct lookup_intent *it, void *data)
276 struct it_cb_data *icbd = data;
277 struct dentry **de = icbd->icbd_childp;
278 struct inode *parent = icbd->icbd_parent;
279 struct ll_sb_info *sbi = ll_i2sbi(parent);
280 struct dentry *dentry = *de, *saved = *de;
281 struct inode *inode = NULL;
284 /* NB 1 request reference will be taken away by ll_intent_lock()
286 if (!it_disposition(it, DISP_LOOKUP_NEG)) {
289 rc = ll_prep_inode(sbi->ll_lov_exp, sbi->ll_lmv_exp,
290 &inode, request, offset, dentry->d_sb);
294 CDEBUG(D_DLMTRACE, "setting l_data to inode %p (%lu/%u)\n",
295 inode, inode->i_ino, inode->i_generation);
297 mdc_set_lock_data(NULL, &it->d.lustre.it_lock_handle, inode);
299 /* If this is a stat, get the authoritative file size */
300 if (it->it_op == IT_GETATTR && S_ISREG(inode->i_mode) &&
301 ll_i2info(inode)->lli_smd != NULL) {
302 struct lov_stripe_md *lsm = ll_i2info(inode)->lli_smd;
305 LASSERT(lsm->lsm_object_id != 0);
307 /* bug 2334: drop MDS lock before acquiring OST lock */
308 ll_intent_drop_lock(it);
310 rc = ll_glimpse_size(inode);
317 dentry = *de = ll_find_alias(inode, dentry);
322 dentry->d_op = &ll_d_ops;
326 d_add(dentry, inode);
331 static struct dentry *ll_lookup_it(struct inode *parent, struct dentry *dentry,
332 struct nameidata *nd, struct lookup_intent *it,
335 struct dentry *save = dentry, *retval;
336 struct lustre_id pid;
337 struct it_cb_data icbd;
338 struct ptlrpc_request *req = NULL;
339 struct lookup_intent lookup_it = { .it_op = IT_LOOKUP };
343 if (dentry->d_name.len > EXT3_NAME_LEN)
344 RETURN(ERR_PTR(-ENAMETOOLONG));
346 CDEBUG(D_VFSTRACE, "VFS Op:name=%s,dir=%lu/%u(%p),intent=%s\n",
347 dentry->d_name.name, parent->i_ino, parent->i_generation,
348 parent, LL_IT2STR(it));
350 if (d_mountpoint(dentry))
351 CERROR("Tell Peter, lookup on mtpt, it %s\n", LL_IT2STR(it));
354 nd->mnt->mnt_last_used = jiffies;
356 ll_frob_intent(&it, &lookup_it);
358 icbd.icbd_childp = &dentry;
359 icbd.icbd_parent = parent;
360 ll_inode2id(&pid, parent);
362 rc = md_intent_lock(ll_i2lmvexp(parent), &pid,
363 dentry->d_name.name, dentry->d_name.len, NULL, 0,
364 NULL, it, flags, &req, ll_mdc_blocking_ast);
366 GOTO(out, retval = ERR_PTR(rc));
368 rc = lookup_it_finish(req, 1, it, &icbd);
370 ll_intent_release(it);
371 GOTO(out, retval = ERR_PTR(rc));
374 ll_lookup_finish_locks(it, dentry);
377 dentry->d_inode != NULL && dentry->d_inode->i_mode & S_ISUID &&
378 S_ISDIR(dentry->d_inode->i_mode) &&
379 (flags & LOOKUP_CONTINUE || (it->it_op & (IT_CHDIR | IT_OPEN))))
380 ll_dir_process_mount_object(dentry, nd->mnt);
383 GOTO(out, retval = NULL);
385 GOTO(out, retval = dentry);
388 ptlrpc_req_finished(req);
390 CDEBUG(D_INODE, "lookup 0x%p in %lu/%lu: %*s -> %lu/%lu\n",
392 (unsigned long) parent->i_ino,
393 (unsigned long) parent->i_generation,
394 dentry->d_name.len, dentry->d_name.name,
395 (unsigned long) dentry->d_inode->i_ino,
396 (unsigned long) dentry->d_inode->i_generation);
398 CDEBUG(D_INODE, "lookup 0x%p in %lu/%lu: %*s -> ??\n",
400 (unsigned long) parent->i_ino,
401 (unsigned long) parent->i_generation,
402 dentry->d_name.len, dentry->d_name.name);
406 #if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0))
407 static struct dentry *ll_lookup_nd(struct inode *parent, struct dentry *dentry,
408 struct nameidata *nd)
413 if (nd && nd->flags & LOOKUP_LAST && !(nd->flags & LOOKUP_LINK_NOTLAST))
414 de = ll_lookup_it(parent, dentry, nd, &nd->intent, nd->flags);
416 de = ll_lookup_it(parent, dentry, nd, NULL, 0);
422 /* We depend on "mode" being set with the proper file type/umask by now */
423 static struct inode *ll_create_node(struct inode *dir, const char *name,
424 int namelen, const void *data, int datalen,
425 int mode, __u64 extra,
426 struct lookup_intent *it)
428 struct inode *inode = NULL;
429 struct ptlrpc_request *request = NULL;
430 struct ll_sb_info *sbi = ll_i2sbi(dir);
434 LASSERT(it && it->d.lustre.it_disposition);
436 request = it->d.lustre.it_data;
437 rc = ll_prep_inode(sbi->ll_lov_exp, sbi->ll_lmv_exp,
438 &inode, request, 1, dir->i_sb);
440 GOTO(out, inode = ERR_PTR(rc));
442 LASSERT(list_empty(&inode->i_dentry));
444 /* We asked for a lock on the directory, but were granted a
445 * lock on the inode. Since we finally have an inode pointer,
446 * stuff it in the lock. */
447 CDEBUG(D_DLMTRACE, "setting l_ast_data to inode %p (%lu/%u)\n",
448 inode, inode->i_ino, inode->i_generation);
449 mdc_set_lock_data(NULL, &it->d.lustre.it_lock_handle, inode);
452 ptlrpc_req_finished(request);
457 * By the time this is called, we already have created the directory cache
458 * entry for the new file, but it is so far negative - it has no inode.
460 * We defer creating the OBD object(s) until open, to keep the intent and
461 * non-intent code paths similar, and also because we do not have the MDS
462 * inode number before calling ll_create_node() (which is needed for LOV),
463 * so we would need to do yet another RPC to the MDS to store the LOV EA
464 * data on the MDS. If needed, we would pass the PACKED lmm as data and
465 * lmm_size in datalen (the MDS still has code which will handle that).
467 * If the create succeeds, we fill in the inode information
468 * with d_instantiate().
470 static int ll_create_it(struct inode *dir, struct dentry *dentry, int mode,
471 struct lookup_intent *it)
474 struct ptlrpc_request *request = it->d.lustre.it_data;
475 struct obd_export *lmv_exp = ll_i2lmvexp(dir);
479 CDEBUG(D_VFSTRACE, "VFS Op:name=%s,dir=%lu/%u(%p),intent=%s\n",
480 dentry->d_name.name, dir->i_ino, dir->i_generation, dir,
483 rc = it_open_error(DISP_OPEN_CREATE, it);
487 mdc_store_inode_generation(lmv_exp, request, MDS_REQ_INTENT_REC_OFF, 1);
488 inode = ll_create_node(dir, dentry->d_name.name, dentry->d_name.len,
489 NULL, 0, mode, 0, it);
491 RETURN(PTR_ERR(inode));
493 d_instantiate(dentry, inode);
497 #if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0))
498 static int ll_create_nd(struct inode *dir, struct dentry *dentry, int mode, struct nameidata *nd)
500 return ll_create_it(dir, dentry, mode, &nd->intent);
504 static void ll_update_times(struct ptlrpc_request *request, int offset,
507 struct mds_body *body = lustre_msg_buf(request->rq_repmsg, offset,
511 if (body->valid & OBD_MD_FLMTIME &&
512 body->mtime > LTIME_S(inode->i_mtime)) {
513 CDEBUG(D_INODE, "setting ino %lu mtime from %lu to %u\n",
514 inode->i_ino, LTIME_S(inode->i_mtime), body->mtime);
515 LTIME_S(inode->i_mtime) = body->mtime;
517 if (body->valid & OBD_MD_FLCTIME &&
518 body->ctime > LTIME_S(inode->i_ctime))
519 LTIME_S(inode->i_ctime) = body->ctime;
522 static int ll_mknod_raw(struct nameidata *nd, int mode, dev_t rdev)
524 struct ptlrpc_request *request = NULL;
525 struct inode *dir = nd->dentry->d_inode;
526 const char *name = nd->last.name;
527 int len = nd->last.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_data(&op_data, dir, NULL, name, len, 0);
550 err = md_create(sbi->ll_lmv_exp, &op_data, NULL, 0, mode,
551 current->fsuid, current->fsgid, rdev, &request);
553 ll_update_times(request, 0, dir);
554 ptlrpc_req_finished(request);
565 static int ll_mknod(struct inode *dir, struct dentry *child, int mode,
568 struct ptlrpc_request *request = NULL;
569 struct inode *inode = NULL;
570 const char *name = child->d_name.name;
571 int len = child->d_name.len;
572 struct ll_sb_info *sbi = ll_i2sbi(dir);
573 struct mdc_op_data op_data;
577 CDEBUG(D_VFSTRACE, "VFS Op:name=%s,dir=%lu/%u(%p)\n",
578 name, dir->i_ino, dir->i_generation, dir);
580 if (dir->i_nlink >= EXT3_LINK_MAX)
583 mode &= ~current->fs->umask;
585 switch (mode & S_IFMT) {
588 mode |= S_IFREG; /* for mode = 0 case, fallthrough */
593 ll_prepare_mdc_data(&op_data, dir, NULL, name, len, 0);
594 err = md_create(sbi->ll_lmv_exp, &op_data, NULL, 0, mode,
595 current->fsuid, current->fsgid, rdev, &request);
599 ll_update_times(request, 0, dir);
601 err = ll_prep_inode(sbi->ll_lov_exp, sbi->ll_lmv_exp,
602 &inode, request, 0, child->d_sb);
613 d_instantiate(child, inode);
615 ptlrpc_req_finished(request);
619 static int ll_symlink_raw(struct nameidata *nd, const char *tgt)
621 struct inode *dir = nd->dentry->d_inode;
622 const char *name = nd->last.name;
623 int len = nd->last.len;
624 struct ptlrpc_request *request = NULL;
625 struct ll_sb_info *sbi = ll_i2sbi(dir);
626 struct mdc_op_data op_data;
630 CDEBUG(D_VFSTRACE, "VFS Op:name=%s,dir=%lu/%u(%p),target=%s\n",
631 name, dir->i_ino, dir->i_generation, dir, tgt);
633 if (dir->i_nlink >= EXT3_LINK_MAX)
636 ll_prepare_mdc_data(&op_data, dir, NULL, name, len, 0);
637 err = md_create(sbi->ll_lmv_exp, &op_data,
638 tgt, strlen(tgt) + 1, S_IFLNK | S_IRWXUGO,
639 current->fsuid, current->fsgid, 0, &request);
641 ll_update_times(request, 0, dir);
643 ptlrpc_req_finished(request);
647 static int ll_link_raw(struct nameidata *srcnd, struct nameidata *tgtnd)
649 struct inode *src = srcnd->dentry->d_inode;
650 struct inode *dir = tgtnd->dentry->d_inode;
651 const char *name = tgtnd->last.name;
652 int len = tgtnd->last.len;
653 struct ptlrpc_request *request = NULL;
654 struct mdc_op_data op_data;
656 struct ll_sb_info *sbi = ll_i2sbi(dir);
659 CDEBUG(D_VFSTRACE, "VFS Op:inode=%lu/%u(%p),dir=%lu/%u(%p),target=%s\n",
660 src->i_ino, src->i_generation, src,
661 dir->i_ino, dir->i_generation, dir, name);
663 ll_prepare_mdc_data(&op_data, src, dir, name, len, 0);
664 err = md_link(sbi->ll_lmv_exp, &op_data, &request);
666 ll_update_times(request, 0, dir);
667 ptlrpc_req_finished(request);
672 static int ll_mkdir_raw(struct nameidata *nd, int mode)
674 struct inode *dir = nd->dentry->d_inode;
675 const char *name = nd->last.name;
676 int len = nd->last.len;
677 struct ptlrpc_request *request = NULL;
678 struct ll_sb_info *sbi = ll_i2sbi(dir);
679 struct mdc_op_data op_data;
682 CDEBUG(D_VFSTRACE, "VFS Op:name=%s,dir=%lu/%u(%p)\n",
683 name, dir->i_ino, dir->i_generation, dir);
685 mode = (mode & (S_IRWXUGO|S_ISVTX) & ~current->fs->umask) | S_IFDIR;
686 ll_prepare_mdc_data(&op_data, dir, NULL, name, len, 0);
687 err = md_create(sbi->ll_lmv_exp, &op_data, NULL, 0, mode,
688 current->fsuid, current->fsgid, 0, &request);
690 ll_update_times(request, 0, dir);
691 ptlrpc_req_finished(request);
695 static int ll_rmdir_raw(struct nameidata *nd)
697 struct inode *dir = nd->dentry->d_inode;
698 const char *name = nd->last.name;
699 int len = nd->last.len;
700 struct ptlrpc_request *request = NULL;
701 struct mdc_op_data op_data;
704 CDEBUG(D_VFSTRACE, "VFS Op:name=%s,dir=%lu/%u(%p)\n",
705 name, dir->i_ino, dir->i_generation, dir);
707 ll_prepare_mdc_data(&op_data, dir, NULL, name, len, S_IFDIR);
708 rc = md_unlink(ll_i2sbi(dir)->ll_lmv_exp, &op_data, &request);
710 ll_update_times(request, 0, dir);
711 ptlrpc_req_finished(request);
715 int ll_objects_destroy(struct ptlrpc_request *request,
716 struct inode *dir, int offset)
718 struct mds_body *body;
719 struct lov_mds_md *eadata;
720 struct lov_stripe_md *lsm = NULL;
721 struct obd_trans_info oti = { 0 };
726 /* req is swabbed so this is safe */
727 body = lustre_msg_buf(request->rq_repmsg, 0, sizeof(*body));
729 if (!(body->valid & OBD_MD_FLEASIZE))
732 if (body->eadatasize == 0) {
733 CERROR("OBD_MD_FLEASIZE set but eadatasize zero\n");
734 GOTO(out, rc = -EPROTO);
737 /* The MDS sent back the EA because we unlinked the last reference
738 * to this file. Use this EA to unlink the objects on the OST.
739 * It's opaque so we don't swab here; we leave it to obd_unpackmd() to
740 * check it is complete and sensible. */
741 eadata = lustre_swab_repbuf(request, 1, body->eadatasize, NULL);
742 LASSERT(eadata != NULL);
743 if (eadata == NULL) {
744 CERROR("Can't unpack MDS EA data\n");
745 GOTO(out, rc = -EPROTO);
748 rc = obd_unpackmd(ll_i2obdexp(dir), &lsm, eadata, body->eadatasize);
750 CERROR("obd_unpackmd: %d\n", rc);
753 LASSERT(rc >= sizeof(*lsm));
757 GOTO(out_free_memmd, rc = -ENOMEM);
759 oa->o_id = lsm->lsm_object_id;
760 oa->o_gr = lsm->lsm_object_gr;
761 oa->o_mode = body->mode & S_IFMT;
762 oa->o_valid = OBD_MD_FLID | OBD_MD_FLTYPE | OBD_MD_FLGROUP;
764 if (body->valid & OBD_MD_FLCOOKIE) {
765 int length = sizeof(struct llog_cookie) *
766 lsm->lsm_stripe_count;
767 oa->o_valid |= OBD_MD_FLCOOKIE;
769 lustre_msg_buf(request->rq_repmsg, 2, length);
770 if (oti.oti_logcookies == NULL) {
771 oa->o_valid &= ~OBD_MD_FLCOOKIE;
772 body->valid &= ~OBD_MD_FLCOOKIE;
774 /* copy llog cookies to request to replay unlink
775 * so that the same llog file and records as those created
776 * during fail can be re-created while doing replay
779 memcpy(lustre_msg_buf(request->rq_reqmsg, offset, 0),
780 oti.oti_logcookies, length);
784 rc = obd_destroy(ll_i2obdexp(dir), oa, lsm, &oti);
787 CERROR("obd destroy objid "LPX64" error %d\n",
788 lsm->lsm_object_id, rc);
790 obd_free_memmd(ll_i2obdexp(dir), &lsm);
795 static int ll_unlink_raw(struct nameidata *nd)
797 struct inode *dir = nd->dentry->d_inode;
798 const char *name = nd->last.name;
799 int len = nd->last.len;
800 struct ptlrpc_request *request = NULL;
801 struct mdc_op_data op_data;
804 CDEBUG(D_VFSTRACE, "VFS Op:name=%s,dir=%lu/%u(%p)\n",
805 name, dir->i_ino, dir->i_generation, dir);
807 ll_prepare_mdc_data(&op_data, dir, NULL, name, len, 0);
808 rc = md_unlink(ll_i2sbi(dir)->ll_lmv_exp, &op_data, &request);
811 ll_update_times(request, 0, dir);
813 rc = ll_objects_destroy(request, dir, 2);
815 ptlrpc_req_finished(request);
819 static int ll_rename_raw(struct nameidata *oldnd, struct nameidata *newnd)
821 struct inode *src = oldnd->dentry->d_inode;
822 struct inode *tgt = newnd->dentry->d_inode;
823 const char *oldname = oldnd->last.name;
824 int oldlen = oldnd->last.len;
825 const char *newname = newnd->last.name;
826 int newlen = newnd->last.len;
827 struct ptlrpc_request *request = NULL;
828 struct ll_sb_info *sbi = ll_i2sbi(src);
829 struct mdc_op_data op_data;
832 CDEBUG(D_VFSTRACE, "VFS Op:oldname=%s, src_dir=%lu/%u(%p), newname=%s, "
833 "tgt_dir=%lu/%u(%p)\n", oldname, src->i_ino, src->i_generation,
834 src, newname, tgt->i_ino, tgt->i_generation, tgt);
836 ll_prepare_mdc_data(&op_data, src, tgt, NULL, 0, 0);
837 err = md_rename(sbi->ll_lmv_exp, &op_data,
838 oldname, oldlen, newname, newlen, &request);
840 ll_update_times(request, 0, src);
841 ll_update_times(request, 0, tgt);
842 err = ll_objects_destroy(request, src, 3);
845 ptlrpc_req_finished(request);
849 struct inode_operations ll_dir_inode_operations = {
850 .link_raw = ll_link_raw,
851 .unlink_raw = ll_unlink_raw,
852 .symlink_raw = ll_symlink_raw,
853 .mkdir_raw = ll_mkdir_raw,
854 .rmdir_raw = ll_rmdir_raw,
855 .mknod_raw = ll_mknod_raw,
857 .rename_raw = ll_rename_raw,
858 .setattr = ll_setattr,
859 .setattr_raw = ll_setattr_raw,
860 #if (LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0))
861 .create_it = ll_create_it,
862 .lookup_it = ll_lookup_it,
863 .revalidate_it = ll_inode_revalidate_it,
865 .lookup = ll_lookup_nd,
866 .create = ll_create_nd,
867 .getattr_it = ll_getattr,