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 (lock->l_resource->lr_name.name[0] != id_fid(&li->lli_id) ||
175 lock->l_resource->lr_name.name[1] != id_group(&li->lli_id)) {
176 LDLM_ERROR(lock, "data mismatch with object %lu/%lu",
177 (unsigned long)id_fid(&li->lli_id),
178 (unsigned long)id_group(&li->lli_id));
181 if (bits & MDS_INODELOCK_OPEN) {
183 switch (lock->l_req_mode) {
194 CERROR("Unexpected lock mode for OPEN lock "
195 "%d, inode %ld\n", lock->l_req_mode,
198 ll_md_real_close(ll_i2mdexp(inode), inode, flags);
201 if ((bits & MDS_INODELOCK_UPDATE) && LLI_HAVE_FLSIZE(inode)) {
202 CDEBUG(D_OTHER, "isize for %lu/%u(%p) from mds "
203 "is not actual\n", inode->i_ino,
204 inode->i_generation, inode);
205 clear_bit(LLI_F_HAVE_MDS_SIZE_LOCK,
206 &(ll_i2info(inode)->lli_flags));
210 /* If lookup lock is cancelled, we just drop the dentry and
211 this will cause us to reget data from MDS when we'd want to
212 access this dentry/inode again. If this is lock on
213 other parts of inode that is cancelled, we do not need to do
214 much (but need to discard data from readdir, if any), since
215 abscence of lock will cause ll_revalidate_it (called from
216 stat() and similar functions) to renew the data anyway */
217 if (S_ISDIR(inode->i_mode) &&
218 (bits & MDS_INODELOCK_UPDATE)) {
219 CDEBUG(D_INODE, "invalidating inode %lu/%u(%p)\n",
220 inode->i_ino, inode->i_generation, inode);
221 truncate_inode_pages(inode->i_mapping, 0);
224 ll_inode_invalidate_acl(inode);
226 if (inode->i_sb->s_root &&
227 inode != inode->i_sb->s_root->d_inode &&
228 (bits & MDS_INODELOCK_LOOKUP))
229 ll_unhash_aliases(inode);
240 /* Search "inode"'s alias list for a dentry that has the same name and parent as
241 * de. If found, return it. If not found, return de. */
242 struct dentry *ll_find_alias(struct inode *inode, struct dentry *de)
244 struct list_head *tmp;
246 spin_lock(&dcache_lock);
247 list_for_each(tmp, &inode->i_dentry) {
248 struct dentry *dentry = list_entry(tmp, struct dentry, d_alias);
250 /* We are called here with 'de' already on the aliases list. */
256 if (dentry->d_parent != de->d_parent)
259 if (dentry->d_name.len != de->d_name.len)
262 if (memcmp(dentry->d_name.name, de->d_name.name,
263 de->d_name.len) != 0)
266 if (!list_empty(&dentry->d_lru))
267 list_del_init(&dentry->d_lru);
269 hlist_del_init(&dentry->d_hash);
270 __d_rehash(dentry); /* avoid taking dcache_lock inside */
271 spin_unlock(&dcache_lock);
272 atomic_inc(&dentry->d_count);
274 dentry->d_flags &= ~DCACHE_LUSTRE_INVALID;
275 CDEBUG(D_DENTRY, "alias dentry %*s (%p) parent %p inode %p "
276 "refc %d\n", de->d_name.len, de->d_name.name, de,
277 de->d_parent, de->d_inode, atomic_read(&de->d_count));
281 spin_unlock(&dcache_lock);
286 static int lookup_it_finish(struct ptlrpc_request *request, int offset,
287 struct lookup_intent *it, void *data)
289 struct it_cb_data *icbd = data;
290 struct dentry **de = icbd->icbd_childp;
291 struct inode *parent = icbd->icbd_parent;
292 struct ll_sb_info *sbi = ll_i2sbi(parent);
293 struct dentry *dentry = *de, *saved = *de;
294 struct inode *inode = NULL;
297 /* NB 1 request reference will be taken away by ll_intent_lock()
299 if (!it_disposition(it, DISP_LOOKUP_NEG)) {
302 rc = ll_prep_inode(sbi->ll_dt_exp, sbi->ll_md_exp,
303 &inode, request, offset, dentry->d_sb);
307 CDEBUG(D_DLMTRACE, "setting l_data to inode %p (%lu/%u)\n",
308 inode, inode->i_ino, inode->i_generation);
310 mdc_set_lock_data(NULL, &LUSTRE_IT(it)->it_lock_handle, inode);
312 /* If this is a stat, get the authoritative file size */
313 if (it->it_op == IT_GETATTR && S_ISREG(inode->i_mode) &&
314 ll_i2info(inode)->lli_smd != NULL) {
315 struct lov_stripe_md *lsm = ll_i2info(inode)->lli_smd;
318 LASSERT(lsm->lsm_object_id != 0);
320 /* bug 2334: drop MDS lock before acquiring OST lock */
321 ll_intent_drop_lock(it);
323 if (!LLI_HAVE_FLSIZE(inode)) {
324 CDEBUG(D_INODE, "retrieve size from OSS\n");
325 rc = ll_glimpse_size(inode);
333 dentry = *de = ll_find_alias(inode, dentry);
338 dentry->d_op = &ll_d_ops;
342 d_add(dentry, inode);
347 static struct dentry *ll_lookup_it(struct inode *parent, struct dentry *dentry,
348 struct nameidata *nd, int flags)
350 struct lookup_intent *it = flags ? &nd->intent.open : NULL;
351 struct lookup_intent lookup_it = { .it_op = IT_LOOKUP };
352 struct dentry *save = dentry, *retval;
353 struct ptlrpc_request *req = NULL;
354 int rc, gns_it, gns_flags;
355 struct it_cb_data icbd;
356 struct lustre_id pid;
359 if (dentry->d_name.len > EXT3_NAME_LEN)
360 RETURN(ERR_PTR(-ENAMETOOLONG));
362 CDEBUG(D_VFSTRACE, "VFS Op:name=%.*s,dir=%lu/%u(%p),intent=%s\n",
363 dentry->d_name.len, dentry->d_name.name, parent->i_ino,
364 parent->i_generation, parent, LL_IT2STR(it));
366 if (d_mountpoint(dentry))
367 CERROR("Tell Peter, lookup on mtpt, it %s\n", LL_IT2STR(it));
370 nd->mnt->mnt_last_used = jiffies;
372 gns_it = nd ? nd->intent.open.it_op : IT_OPEN;
373 gns_flags = nd ? nd->flags : LOOKUP_CONTINUE;
374 ll_frob_intent(&it, &lookup_it);
376 icbd.icbd_childp = &dentry;
377 icbd.icbd_parent = parent;
378 ll_inode2id(&pid, parent);
380 /*ONLY need key for open_create file*/
381 rc = ll_crypto_init_it_key(parent, it);
383 GOTO(out, retval = ERR_PTR(rc));
385 rc = md_intent_lock(ll_i2mdexp(parent), &pid, (char *)dentry->d_name.name,
386 dentry->d_name.len, NULL, 0, NULL, it, flags, &req,
387 ll_mdc_blocking_ast);
389 GOTO(out, retval = ERR_PTR(rc));
391 rc = lookup_it_finish(req, 1, it, &icbd);
393 ll_intent_release(it);
394 GOTO(out, retval = ERR_PTR(rc));
397 ll_lookup_finish_locks(it, dentry);
399 if (nd && dentry->d_inode != NULL &&
400 dentry->d_inode->i_mode & S_ISUID && S_ISDIR(dentry->d_inode->i_mode) &&
401 ((gns_flags & LOOKUP_CONTINUE) || (gns_it & (IT_CHDIR | IT_OPEN))))
403 CDEBUG(D_DENTRY, "possible GNS dentry %*s %p found, "
404 "mounting it\n", (int)dentry->d_name.len,
405 dentry->d_name.name, dentry);
407 rc = ll_gns_mount_object(dentry, nd->mnt);
410 * just reporting about GNS failures, lookup() is
411 * successful, do not stop it.
413 * GNS failure may be that object is found in SUID bit
414 * marked dir but it is not regular file and we should
415 * lookup further until we find correct mount
416 * object. This will allow to perform GNS mount is the
417 * following case for instance:
419 * /mnt/lustre/gns_mount/.mntinfo/.mntinfo/..../.mntinfo
420 * where all ".mntinfo" are dirs and only last one is
423 CDEBUG(D_DENTRY, "failed to mount %*s, err %d\n",
424 (int)dentry->d_name.len, dentry->d_name.name, rc);
429 GOTO(out, retval = NULL);
431 GOTO(out, retval = dentry);
434 ptlrpc_req_finished(req);
435 if (it == &lookup_it)
436 ll_intent_release(it);
438 CDEBUG(D_INODE, "lookup 0x%p in %lu/%lu: %*s -> %lu/%lu\n",
440 (unsigned long) parent->i_ino,
441 (unsigned long) parent->i_generation,
442 dentry->d_name.len, dentry->d_name.name,
443 (unsigned long) dentry->d_inode->i_ino,
444 (unsigned long) dentry->d_inode->i_generation);
446 CDEBUG(D_INODE, "lookup 0x%p in %lu/%lu: %*s -> ??\n",
448 (unsigned long) parent->i_ino,
449 (unsigned long) parent->i_generation,
450 dentry->d_name.len, dentry->d_name.name);
454 #if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0))
455 static struct dentry *ll_lookup_nd(struct inode *parent, struct dentry *dentry,
456 struct nameidata *nd)
461 if (nd && nd->flags & LOOKUP_LAST && !(nd->flags & LOOKUP_LINK_NOTLAST))
462 de = ll_lookup_it(parent, dentry, nd, nd->flags);
464 de = ll_lookup_it(parent, dentry, nd, 0);
470 /* We depend on "mode" being set with the proper file type/umask by now */
471 static struct inode *ll_create_node(struct inode *dir, const char *name,
472 int namelen, const void *data, int datalen,
473 int mode, __u64 extra,
474 struct lookup_intent *it)
476 struct inode *inode = NULL;
477 struct ptlrpc_request *request = NULL;
478 struct ll_sb_info *sbi = ll_i2sbi(dir);
483 LASSERT(it && LUSTRE_IT(it)->it_disposition);
485 request = LUSTRE_IT(it)->it_data;
486 rc = ll_prep_inode(sbi->ll_dt_exp, sbi->ll_md_exp,
487 &inode, request, 1, dir->i_sb);
489 GOTO(out, inode = ERR_PTR(rc));
491 LASSERT(list_empty(&inode->i_dentry));
493 /* We asked for a lock on the directory, but were granted a
494 * lock on the inode. Since we finally have an inode pointer,
495 * stuff it in the lock. */
496 CDEBUG(D_DLMTRACE, "setting l_ast_data to inode %p (%lu/%u)\n",
497 inode, inode->i_ino, inode->i_generation);
498 mdc_set_lock_data(NULL, &LUSTRE_IT(it)->it_lock_handle, inode);
501 ptlrpc_req_finished(request);
506 * By the time this is called, we already have created the directory cache
507 * entry for the new file, but it is so far negative - it has no inode.
509 * We defer creating the OBD object(s) until open, to keep the intent and
510 * non-intent code paths similar, and also because we do not have the MDS
511 * inode number before calling ll_create_node() (which is needed for LOV),
512 * so we would need to do yet another RPC to the MDS to store the LOV EA
513 * data on the MDS. If needed, we would pass the PACKED lmm as data and
514 * lmm_size in datalen (the MDS still has code which will handle that).
516 * If the create succeeds, we fill in the inode information
517 * with d_instantiate().
519 static int ll_create_it(struct inode *dir, struct dentry *dentry, int mode,
520 struct lookup_intent *it)
523 struct ptlrpc_request *request = LUSTRE_IT(it)->it_data;
524 struct obd_export *md_exp = ll_i2mdexp(dir);
528 CDEBUG(D_VFSTRACE, "VFS Op:name=%.*s,dir=%lu/%u(%p),intent=%s\n",
529 dentry->d_name.len, dentry->d_name.name, dir->i_ino,
530 dir->i_generation, dir, LL_IT2STR(it));
532 rc = it_open_error(DISP_OPEN_CREATE, it);
536 mdc_store_inode_generation(md_exp, request, MDS_REQ_INTENT_REC_OFF, 1);
537 inode = ll_create_node(dir, (char *)dentry->d_name.name,
538 dentry->d_name.len, NULL, 0, mode, 0, it);
540 RETURN(PTR_ERR(inode));
542 d_instantiate(dentry, inode);
546 #if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0))
547 static int ll_create_nd(struct inode *dir, struct dentry *dentry, int mode, struct nameidata *nd)
549 return ll_create_it(dir, dentry, mode, &nd->intent.open);
553 static void ll_update_times(struct ptlrpc_request *request, int offset,
556 struct mds_body *body = lustre_msg_buf(request->rq_repmsg, offset,
560 if (body->valid & OBD_MD_FLMTIME &&
561 body->mtime > LTIME_S(inode->i_mtime)) {
562 CDEBUG(D_INODE, "setting ino %lu mtime from %lu to %u\n",
563 inode->i_ino, LTIME_S(inode->i_mtime), body->mtime);
564 LTIME_S(inode->i_mtime) = body->mtime;
566 if (body->valid & OBD_MD_FLCTIME &&
567 body->ctime > LTIME_S(inode->i_ctime))
568 LTIME_S(inode->i_ctime) = body->ctime;
571 static int ll_mknod_raw(struct nameidata *nd, int mode, dev_t rdev)
573 struct ptlrpc_request *request = NULL;
574 struct inode *dir = nd->dentry->d_inode;
575 struct ll_sb_info *sbi = ll_i2sbi(dir);
576 struct mdc_op_data *op_data;
577 int err = -EMLINK, key_size = 0;
581 CDEBUG(D_VFSTRACE, "VFS Op:name=%.*s,dir=%lu/%u(%p)\n",
582 nd->last.len, nd->last.name, dir->i_ino,
583 dir->i_generation, dir);
585 mode &= ~current->fs->umask;
587 switch (mode & S_IFMT) {
590 mode |= S_IFREG; /* for mode = 0 case, fallthrough */
591 ll_crypto_create_key(dir, mode, &key, &key_size);
596 OBD_ALLOC(op_data, sizeof(*op_data));
599 ll_prepare_mdc_data(op_data, dir, NULL,
600 (char *)nd->last.name,
602 err = md_create(sbi->ll_md_exp, op_data, key, key_size, mode,
603 current->fsuid, current->fsgid, rdev,
605 OBD_FREE(op_data, sizeof(*op_data));
607 ll_update_times(request, 0, dir);
608 ptlrpc_req_finished(request);
617 OBD_FREE(key, key_size);
621 static int ll_mknod(struct inode *dir, struct dentry *dchild,
622 int mode, ll_dev_t rdev)
624 struct ptlrpc_request *request = NULL;
625 struct inode *inode = NULL;
626 struct ll_sb_info *sbi = ll_i2sbi(dir);
627 struct mdc_op_data *op_data;
631 CDEBUG(D_VFSTRACE, "VFS Op:name=%.*s,dir=%lu/%u(%p)\n",
632 dchild->d_name.len, dchild->d_name.name,
633 dir->i_ino, dir->i_generation, dir);
635 mode &= ~current->fs->umask;
637 switch (mode & S_IFMT) {
640 mode |= S_IFREG; /* for mode = 0 case, fallthrough */
646 OBD_ALLOC(op_data, sizeof(*op_data));
650 ll_prepare_mdc_data(op_data, dir, NULL,
651 (char *)dchild->d_name.name,
652 dchild->d_name.len, 0);
654 err = md_create(sbi->ll_md_exp, op_data, NULL, 0, mode,
655 current->fsuid, current->fsgid, rdev,
657 OBD_FREE(op_data, sizeof(*op_data));
661 ll_update_times(request, 0, dir);
662 err = ll_prep_inode(sbi->ll_dt_exp, sbi->ll_md_exp,
663 &inode, request, 0, dchild->d_sb);
674 d_instantiate(dchild, inode);
677 ptlrpc_req_finished(request);
681 static int ll_symlink_raw(struct nameidata *nd, const char *tgt)
683 const char *name = (char *)nd->last.name;
684 struct inode *dir = nd->dentry->d_inode;
685 struct ptlrpc_request *request = NULL;
686 struct ll_sb_info *sbi = ll_i2sbi(dir);
687 struct mdc_op_data *op_data;
688 int len = nd->last.len;
692 CDEBUG(D_VFSTRACE, "VFS Op:name=%*s,dir=%lu/%u(%p),target=%s\n",
693 nd->last.len, nd->last.name, dir->i_ino, dir->i_generation,
696 if (dir->i_nlink >= EXT3_LINK_MAX)
699 OBD_ALLOC(op_data, sizeof(*op_data));
702 ll_prepare_mdc_data(op_data, dir, NULL, name, len, 0);
704 err = md_create(sbi->ll_md_exp, op_data,
705 tgt, strlen(tgt) + 1, S_IFLNK | S_IRWXUGO,
706 current->fsuid, current->fsgid, 0, &request);
707 OBD_FREE(op_data, sizeof(*op_data));
709 ll_update_times(request, 0, dir);
711 ptlrpc_req_finished(request);
715 static int ll_link_raw(struct nameidata *srcnd, struct nameidata *tgtnd)
717 struct inode *src = srcnd->dentry->d_inode;
718 struct inode *dir = tgtnd->dentry->d_inode;
719 struct ptlrpc_request *request = NULL;
720 struct ll_sb_info *sbi = ll_i2sbi(dir);
721 struct mdc_op_data *op_data;
726 "VFS Op: inode=%lu/%u(%p), dir=%lu/%u(%p), target=%.*s\n",
727 src->i_ino, src->i_generation, src, dir->i_ino,
728 dir->i_generation, dir, tgtnd->last.len, tgtnd->last.name);
730 OBD_ALLOC(op_data, sizeof(*op_data));
734 ll_prepare_mdc_data(op_data, src, dir,
735 (char *)tgtnd->last.name,
738 err = md_link(sbi->ll_md_exp, op_data, &request);
739 OBD_FREE(op_data, sizeof(*op_data));
741 ll_update_times(request, 0, dir);
742 ptlrpc_req_finished(request);
747 static int ll_mkdir_raw(struct nameidata *nd, int mode)
749 struct inode *dir = nd->dentry->d_inode;
750 struct ptlrpc_request *request = NULL;
751 struct ll_sb_info *sbi = ll_i2sbi(dir);
752 struct mdc_op_data *op_data;
755 CDEBUG(D_VFSTRACE, "VFS Op:name=%.*s,dir=%lu/%u(%p)\n",
756 nd->last.len, nd->last.name, dir->i_ino, dir->i_generation, dir);
758 mode = (mode & (S_IRWXUGO|S_ISVTX) & ~current->fs->umask) | S_IFDIR;
759 OBD_ALLOC(op_data, sizeof(*op_data));
763 ll_prepare_mdc_data(op_data, dir, NULL,
764 (char *)nd->last.name,
767 err = md_create(sbi->ll_md_exp, op_data, NULL, 0, mode,
768 current->fsuid, current->fsgid, 0, &request);
769 OBD_FREE(op_data, sizeof(*op_data));
771 ll_update_times(request, 0, dir);
772 ptlrpc_req_finished(request);
776 static int ll_rmdir_raw(struct nameidata *nd)
778 struct inode *dir = nd->dentry->d_inode;
779 struct ptlrpc_request *request = NULL;
780 struct mdc_op_data *op_data;
784 CDEBUG(D_VFSTRACE, "VFS Op:name=%.*s,dir=%lu/%u(%p)\n",
785 nd->last.len, nd->last.name, dir->i_ino,
786 dir->i_generation, dir);
788 OBD_ALLOC(op_data, sizeof(*op_data));
792 ll_prepare_mdc_data(op_data, dir, NULL,
793 (char *)nd->last.name,
794 nd->last.len, S_IFDIR);
796 rc = md_unlink(ll_i2sbi(dir)->ll_md_exp, op_data, &request);
797 OBD_FREE(op_data, sizeof(*op_data));
799 ll_update_times(request, 0, dir);
800 ptlrpc_req_finished(request);
804 static int ll_unlink_raw(struct nameidata *nd)
806 struct inode *dir = nd->dentry->d_inode;
807 struct ptlrpc_request *request = NULL;
808 struct mdc_op_data *op_data;
811 CDEBUG(D_VFSTRACE, "VFS Op:name=%.*s,dir=%lu/%u(%p)\n",
812 nd->last.len, nd->last.name, dir->i_ino,
813 dir->i_generation, dir);
815 OBD_ALLOC(op_data, sizeof(*op_data));
818 ll_prepare_mdc_data(op_data, dir, NULL,
819 (char *)nd->last.name, nd->last.len, 0);
820 rc = md_unlink(ll_i2sbi(dir)->ll_md_exp, op_data, &request);
821 OBD_FREE(op_data, sizeof(*op_data));
824 ll_update_times(request, 0, dir);
827 ptlrpc_req_finished(request);
831 static int ll_rename_raw(struct nameidata *srcnd, struct nameidata *tgtnd)
833 struct inode *src = srcnd->dentry->d_inode;
834 struct inode *tgt = tgtnd->dentry->d_inode;
835 struct ptlrpc_request *request = NULL;
836 struct ll_sb_info *sbi = ll_i2sbi(src);
837 struct mdc_op_data *op_data;
841 if (srcnd->mnt != tgtnd->mnt)
844 CDEBUG(D_VFSTRACE,"VFS Op:oldname=%.*s,src_dir=%lu/%u(%p),newname=%.*s,"
845 "tgt_dir=%lu/%u(%p)\n", srcnd->last.len, srcnd->last.name,
846 src->i_ino, src->i_generation, src, tgtnd->last.len,
847 tgtnd->last.name, tgt->i_ino, tgt->i_generation, tgt);
849 OBD_ALLOC(op_data, sizeof(*op_data));
852 ll_prepare_mdc_data(op_data, src, tgt, NULL, 0, 0);
853 err = md_rename(sbi->ll_md_exp, op_data, (char *)srcnd->last.name,
854 srcnd->last.len, (char *)tgtnd->last.name,
855 tgtnd->last.len, &request);
856 OBD_FREE(op_data, sizeof(*op_data));
858 ll_update_times(request, 0, src);
859 ll_update_times(request, 0, tgt);
862 ptlrpc_req_finished(request);
866 #if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0))
867 #define LLITE_IT_RAWOPS (IT_MKNOD|IT_MKDIR|IT_SYMLINK|IT_LINK|IT_UNLINK|IT_RMDIR|IT_RENAME)
868 static int ll_rawop_from_intent(struct nameidata *nd)
872 if (!nd || !(nd->intent.open.op & LLITE_IT_RAWOPS))
875 switch (nd->intent.open.op) {
877 error = ll_mknod_raw(nd, nd->intent.open.create_mode,
878 nd->intent.open.create.dev);
881 error = ll_mkdir_raw(nd, nd->intent.open.create_mode);
884 error = ll_rmdir_raw(nd);
887 error = ll_unlink_raw(nd);
890 LASSERT(nd->intent.open.create.link);
891 error = ll_symlink_raw(nd, nd->intent.open.create.link);
894 error = ll_link_raw(nd->intent.open.create.source_nd, nd);
897 LASSERT(nd->intent.open.create.source_nd);
898 error = ll_rename_raw(nd->intent.open.create.source_nd, nd);
903 if (error != -EOPNOTSUPP)
904 nd->intent.open.flags |= IT_STATUS_RAW;
910 struct inode_operations ll_dir_inode_operations = {
912 .setattr = ll_setattr,
913 #if (LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0))
914 .create_it = ll_create_it,
915 .lookup_it = ll_lookup_it,
916 .revalidate_it = ll_inode_revalidate_it,
918 .lookup = ll_lookup_nd,
919 .create = ll_create_nd,
920 .getattr = ll_getattr,
921 .endparentlookup = ll_rawop_from_intent,
923 .setxattr = ll_setxattr,
924 .getxattr = ll_getxattr,
925 .listxattr = ll_listxattr,
926 .removexattr = ll_removexattr,
927 .permission = ll_inode_permission,