4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 only,
8 * as published by the Free Software Foundation.
10 * This program is distributed in the hope that it will be useful, but
11 * WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * General Public License version 2 for more details (a copy is included
14 * in the LICENSE file that accompanied this code).
16 * You should have received a copy of the GNU General Public License
17 * version 2 along with this program; If not, see
18 * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
20 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
21 * CA 95054 USA or visit www.sun.com if you need additional information or
27 * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
28 * Use is subject to license terms.
30 * Copyright (c) 2011, 2013, Intel Corporation.
33 * This file is part of Lustre, http://www.lustre.org/
34 * Lustre is a trademark of Sun Microsystems, Inc.
36 * lustre/osd/osd_handler.c
38 * Top-level entry points into osd module
40 * Author: Nikita Danilov <nikita@clusterfs.com>
41 * Pravin Shelar <pravin.shelar@sun.com> : Added fid in dirent
44 #define DEBUG_SUBSYSTEM S_MDS
46 #include <linux/module.h>
48 /* LUSTRE_VERSION_CODE */
49 #include <lustre_ver.h>
50 /* prerequisite for linux/xattr.h */
51 #include <linux/types.h>
52 /* prerequisite for linux/xattr.h */
54 /* XATTR_{REPLACE,CREATE} */
55 #include <linux/xattr.h>
58 * struct OBD_{ALLOC,FREE}*()
61 #include <obd_support.h>
62 /* struct ptlrpc_thread */
63 #include <lustre_net.h>
64 #include <lustre_fid.h>
66 #include <lustre_param.h>
68 #include "osd_internal.h"
69 #include "osd_dynlocks.h"
71 /* llo_* api support */
72 #include <md_object.h>
73 #include <lustre_quota.h>
75 #include <ldiskfs/xattr.h>
78 CFS_MODULE_PARM(ldiskfs_pdo, "i", int, 0644,
79 "ldiskfs with parallel directory operations");
81 int ldiskfs_track_declares_assert;
82 CFS_MODULE_PARM(ldiskfs_track_declares_assert, "i", int, 0644,
83 "LBUG during tracking of declares");
85 /* Slab to allocate dynlocks */
86 struct kmem_cache *dynlock_cachep;
88 static struct lu_kmem_descr ldiskfs_caches[] = {
90 .ckd_cache = &dynlock_cachep,
91 .ckd_name = "dynlock_cache",
92 .ckd_size = sizeof(struct dynlock_handle)
99 static const char dot[] = ".";
100 static const char dotdot[] = "..";
101 static const char remote_obj_dir[] = "REM_OBJ_DIR";
103 static const struct lu_object_operations osd_lu_obj_ops;
104 static const struct dt_object_operations osd_obj_ops;
105 static const struct dt_object_operations osd_obj_ea_ops;
106 static const struct dt_object_operations osd_obj_otable_it_ops;
107 static const struct dt_index_operations osd_index_iam_ops;
108 static const struct dt_index_operations osd_index_ea_ops;
110 int osd_trans_declare_op2rb[] = {
111 [OSD_OT_ATTR_SET] = OSD_OT_ATTR_SET,
112 [OSD_OT_PUNCH] = OSD_OT_MAX,
113 [OSD_OT_XATTR_SET] = OSD_OT_XATTR_SET,
114 [OSD_OT_CREATE] = OSD_OT_DESTROY,
115 [OSD_OT_DESTROY] = OSD_OT_CREATE,
116 [OSD_OT_REF_ADD] = OSD_OT_REF_DEL,
117 [OSD_OT_REF_DEL] = OSD_OT_REF_ADD,
118 [OSD_OT_WRITE] = OSD_OT_WRITE,
119 [OSD_OT_INSERT] = OSD_OT_DELETE,
120 [OSD_OT_DELETE] = OSD_OT_INSERT,
121 [OSD_OT_UPDATE] = OSD_OT_MAX,
122 [OSD_OT_QUOTA] = OSD_OT_MAX,
125 static int osd_has_index(const struct osd_object *obj)
127 return obj->oo_dt.do_index_ops != NULL;
130 static int osd_object_invariant(const struct lu_object *l)
132 return osd_invariant(osd_obj(l));
136 * Concurrency: doesn't matter
140 * Concurrency: doesn't matter
142 static int osd_write_locked(const struct lu_env *env, struct osd_object *o)
144 struct osd_thread_info *oti = osd_oti_get(env);
145 return oti->oti_w_locks > 0 && o->oo_owner == env;
149 * Concurrency: doesn't access mutable data
151 static int osd_root_get(const struct lu_env *env,
152 struct dt_device *dev, struct lu_fid *f)
154 lu_local_obj_fid(f, OSD_FS_ROOT_OID);
159 * OSD object methods.
163 * Concurrency: no concurrent access is possible that early in object
166 static struct lu_object *osd_object_alloc(const struct lu_env *env,
167 const struct lu_object_header *hdr,
170 struct osd_object *mo;
176 l = &mo->oo_dt.do_lu;
177 dt_object_init(&mo->oo_dt, NULL, d);
178 mo->oo_dt.do_ops = &osd_obj_ea_ops;
179 l->lo_ops = &osd_lu_obj_ops;
180 init_rwsem(&mo->oo_sem);
181 init_rwsem(&mo->oo_ext_idx_sem);
182 spin_lock_init(&mo->oo_guard);
189 int osd_get_lma(struct osd_thread_info *info, struct inode *inode,
190 struct dentry *dentry, struct lustre_mdt_attrs *lma)
194 CLASSERT(LMA_OLD_SIZE >= sizeof(*lma));
195 rc = __osd_xattr_get(inode, dentry, XATTR_NAME_LMA,
196 info->oti_mdt_attrs_old, LMA_OLD_SIZE);
198 if ((void *)lma != (void *)info->oti_mdt_attrs_old)
199 memcpy(lma, info->oti_mdt_attrs_old, sizeof(*lma));
201 lustre_lma_swab(lma);
202 /* Check LMA compatibility */
203 if (lma->lma_incompat & ~LMA_INCOMPAT_SUPP) {
204 CWARN("%.16s: unsupported incompat LMA feature(s) %#x "
205 "for fid = "DFID", ino = %lu\n",
206 LDISKFS_SB(inode->i_sb)->s_es->s_volume_name,
207 lma->lma_incompat & ~LMA_INCOMPAT_SUPP,
208 PFID(&lma->lma_self_fid), inode->i_ino);
211 } else if (rc == 0) {
219 * retrieve object from backend ext fs.
221 struct inode *osd_iget(struct osd_thread_info *info, struct osd_device *dev,
222 struct osd_inode_id *id)
224 struct inode *inode = NULL;
226 inode = ldiskfs_iget(osd_sb(dev), id->oii_ino);
228 CDEBUG(D_INODE, "no inode: ino = %u, rc = %ld\n",
229 id->oii_ino, PTR_ERR(inode));
230 } else if (id->oii_gen != OSD_OII_NOGEN &&
231 inode->i_generation != id->oii_gen) {
232 CDEBUG(D_INODE, "unmatched inode: ino = %u, oii_gen = %u, "
233 "i_generation = %u\n",
234 id->oii_ino, id->oii_gen, inode->i_generation);
236 inode = ERR_PTR(-ESTALE);
237 } else if (inode->i_nlink == 0) {
238 /* due to parallel readdir and unlink,
239 * we can have dead inode here. */
240 CDEBUG(D_INODE, "stale inode: ino = %u\n", id->oii_ino);
242 inode = ERR_PTR(-ESTALE);
243 } else if (is_bad_inode(inode)) {
244 CWARN("%.16s: bad inode: ino = %u\n",
245 LDISKFS_SB(osd_sb(dev))->s_es->s_volume_name, id->oii_ino);
247 inode = ERR_PTR(-ENOENT);
249 if (id->oii_gen == OSD_OII_NOGEN)
250 osd_id_gen(id, inode->i_ino, inode->i_generation);
252 /* Do not update file c/mtime in ldiskfs.
253 * NB: we don't have any lock to protect this because we don't
254 * have reference on osd_object now, but contention with
255 * another lookup + attr_set can't happen in the tiny window
256 * between if (...) and set S_NOCMTIME. */
257 if (!(inode->i_flags & S_NOCMTIME))
258 inode->i_flags |= S_NOCMTIME;
263 static struct inode *
264 osd_iget_fid(struct osd_thread_info *info, struct osd_device *dev,
265 struct osd_inode_id *id, struct lu_fid *fid)
267 struct lustre_mdt_attrs *lma = &info->oti_mdt_attrs;
271 inode = osd_iget(info, dev, id);
275 rc = osd_get_lma(info, inode, &info->oti_obj_dentry, lma);
277 *fid = lma->lma_self_fid;
278 } else if (rc == -ENODATA) {
279 if (unlikely(inode == osd_sb(dev)->s_root->d_inode))
280 lu_local_obj_fid(fid, OSD_FS_ROOT_OID);
282 lu_igif_build(fid, inode->i_ino, inode->i_generation);
290 static struct inode *osd_iget_check(struct osd_thread_info *info,
291 struct osd_device *dev,
292 const struct lu_fid *fid,
293 struct osd_inode_id *id,
300 inode = ldiskfs_iget(osd_sb(dev), id->oii_ino);
303 if (!in_oi || (rc != -ENOENT && rc != -ESTALE)) {
304 CDEBUG(D_INODE, "no inode: ino = %u, rc = %d\n",
313 if (is_bad_inode(inode)) {
316 CDEBUG(D_INODE, "bad inode: ino = %u\n", id->oii_ino);
324 if (id->oii_gen != OSD_OII_NOGEN &&
325 inode->i_generation != id->oii_gen) {
328 CDEBUG(D_INODE, "unmatched inode: ino = %u, "
329 "oii_gen = %u, i_generation = %u\n",
330 id->oii_ino, id->oii_gen, inode->i_generation);
338 if (inode->i_nlink == 0) {
341 CDEBUG(D_INODE, "stale inode: ino = %u\n", id->oii_ino);
351 LASSERTF(rc == -ESTALE || rc == -ENOENT, "rc = %d\n", rc);
353 rc = osd_oi_lookup(info, dev, fid, id, OI_CHECK_FLD);
354 /* XXX: There are some possible cases:
356 * Backup/restore caused the OI invalid.
358 * Someone unlinked the object but NOT removed
359 * the OI mapping, such as mount target device
360 * as ldiskfs, and modify something directly.
362 * Someone just removed the object between the
363 * former oi_lookup and the iget. It is normal.
364 * 4. Other failure cases.
366 * Generally, when the device is mounted, it will
367 * auto check whether the system is restored from
368 * file-level backup or not. We trust such detect
369 * to distinguish the 1st case from the 2nd case. */
371 if (!IS_ERR(inode) && inode->i_generation != 0 &&
372 inode->i_generation == id->oii_gen)
378 if (id->oii_gen == OSD_OII_NOGEN)
379 osd_id_gen(id, inode->i_ino, inode->i_generation);
381 /* Do not update file c/mtime in ldiskfs.
382 * NB: we don't have any lock to protect this because we don't
383 * have reference on osd_object now, but contention with
384 * another lookup + attr_set can't happen in the tiny window
385 * between if (...) and set S_NOCMTIME. */
386 if (!(inode->i_flags & S_NOCMTIME))
387 inode->i_flags |= S_NOCMTIME;
404 * \retval +v: new filter_fid, does not contain self-fid
405 * \retval 0: filter_fid_old, contains self-fid
406 * \retval -v: other failure cases
408 int osd_get_idif(struct osd_thread_info *info, struct inode *inode,
409 struct dentry *dentry, struct lu_fid *fid)
411 struct filter_fid_old *ff = &info->oti_ff;
412 struct ost_id *ostid = &info->oti_ostid;
415 rc = __osd_xattr_get(inode, dentry, XATTR_NAME_FID, ff, sizeof(*ff));
416 if (rc == sizeof(*ff)) {
418 ostid_set_seq(ostid, le64_to_cpu(ff->ff_seq));
419 ostid_set_id(ostid, le64_to_cpu(ff->ff_objid));
420 /* XXX: should use real OST index in the future. LU-3569 */
421 ostid_to_fid(fid, ostid, 0);
422 } else if (rc == sizeof(struct filter_fid)) {
424 } else if (rc >= 0) {
431 static int osd_lma_self_repair(struct osd_thread_info *info,
432 struct osd_device *osd, struct inode *inode,
433 const struct lu_fid *fid, __u32 compat)
438 LASSERT(current->journal_info == NULL);
440 jh = osd_journal_start_sb(osd_sb(osd), LDISKFS_HT_MISC,
441 osd_dto_credits_noquota[DTO_XATTR_SET]);
444 CWARN("%s: cannot start journal for lma_self_repair: rc = %d\n",
449 rc = osd_ea_fid_set(info, inode, fid, compat, 0);
451 CWARN("%s: cannot self repair the LMA: rc = %d\n",
453 ldiskfs_journal_stop(jh);
457 static int osd_check_lma(const struct lu_env *env, struct osd_object *obj)
459 struct osd_thread_info *info = osd_oti_get(env);
460 struct osd_device *osd = osd_obj2dev(obj);
461 struct lustre_mdt_attrs *lma = &info->oti_mdt_attrs;
462 struct inode *inode = obj->oo_inode;
463 struct dentry *dentry = &info->oti_obj_dentry;
464 struct lu_fid *fid = NULL;
465 const struct lu_fid *rfid = lu_object_fid(&obj->oo_dt.do_lu);
469 CLASSERT(LMA_OLD_SIZE >= sizeof(*lma));
470 rc = __osd_xattr_get(inode, dentry, XATTR_NAME_LMA,
471 info->oti_mdt_attrs_old, LMA_OLD_SIZE);
472 if (rc == -ENODATA && !fid_is_igif(rfid) && osd->od_check_ff) {
473 fid = &lma->lma_self_fid;
474 rc = osd_get_idif(info, inode, dentry, fid);
475 if ((rc > 0) || (rc == -ENODATA && osd->od_lma_self_repair)) {
476 /* For the given OST-object, if it has neither LMA nor
477 * FID in XATTR_NAME_FID, then the given FID (which is
478 * contained in the @obj, from client RPC for locating
479 * the OST-object) is trusted. We use it to generate
481 osd_lma_self_repair(info, osd, inode, rfid,
482 fid_is_on_ost(info, osd, fid, OI_CHECK_FLD) ?
483 LMAC_FID_ON_OST : 0);
488 if (unlikely(rc == -ENODATA))
496 lustre_lma_swab(lma);
497 if (unlikely((lma->lma_incompat & ~LMA_INCOMPAT_SUPP) ||
498 CFS_FAIL_CHECK(OBD_FAIL_OSD_LMA_INCOMPAT))) {
499 CWARN("%s: unsupported incompat LMA feature(s) %#x for "
500 "fid = "DFID", ino = %lu\n", osd_name(osd),
501 lma->lma_incompat & ~LMA_INCOMPAT_SUPP,
502 PFID(rfid), inode->i_ino);
504 } else if (!(lma->lma_compat & LMAC_NOT_IN_OI)) {
505 fid = &lma->lma_self_fid;
509 if (fid != NULL && unlikely(!lu_fid_eq(rfid, fid))) {
510 if (fid_is_idif(rfid) && fid_is_idif(fid)) {
511 struct ost_id *oi = &info->oti_ostid;
512 struct lu_fid *fid1 = &info->oti_fid3;
513 __u32 idx = fid_idif_ost_idx(rfid);
515 /* For old IDIF, the OST index is not part of the IDIF,
516 * Means that different OSTs may have the same IDIFs.
517 * Under such case, we need to make some compatible
518 * check to make sure to trigger OI scrub properly. */
519 if (idx != 0 && fid_idif_ost_idx(fid) == 0) {
520 /* Given @rfid is new, LMA is old. */
521 fid_to_ostid(fid, oi);
522 ostid_to_fid(fid1, oi, idx);
523 if (lu_fid_eq(fid1, rfid)) {
524 if (osd->od_lma_self_repair)
525 osd_lma_self_repair(info, osd,
533 CDEBUG(D_INODE, "%s: FID "DFID" != self_fid "DFID"\n",
534 osd_name(osd), PFID(rfid), PFID(fid));
541 static int osd_fid_lookup(const struct lu_env *env, struct osd_object *obj,
542 const struct lu_fid *fid,
543 const struct lu_object_conf *conf)
545 struct osd_thread_info *info;
546 struct lu_device *ldev = obj->oo_dt.do_lu.lo_dev;
547 struct osd_device *dev;
548 struct osd_idmap_cache *oic;
549 struct osd_inode_id *id;
551 struct osd_scrub *scrub;
552 struct scrub_file *sf;
556 bool triggered = false;
559 LINVRNT(osd_invariant(obj));
560 LASSERT(obj->oo_inode == NULL);
561 LASSERTF(fid_is_sane(fid) || fid_is_idif(fid), DFID, PFID(fid));
564 scrub = &dev->od_scrub;
565 sf = &scrub->os_file;
566 info = osd_oti_get(env);
568 oic = &info->oti_cache;
570 if (OBD_FAIL_CHECK(OBD_FAIL_OST_ENOENT))
573 /* For the object is created as locking anchor, or for the object to
574 * be created on disk. No need to osd_oi_lookup() at here because FID
575 * shouldn't never be re-used, if it's really a duplicate FID from
576 * unexpected reason, we should be able to detect it later by calling
577 * do_create->osd_oi_insert(). */
578 if (conf != NULL && conf->loc_flags & LOC_F_NEW)
579 GOTO(out, result = 0);
581 /* Search order: 1. per-thread cache. */
582 if (lu_fid_eq(fid, &oic->oic_fid) &&
583 likely(oic->oic_dev == dev)) {
589 if (!list_empty(&scrub->os_inconsistent_items)) {
590 /* Search order: 2. OI scrub pending list. */
591 result = osd_oii_lookup(dev, fid, id);
596 /* Search order: 3. OI files. */
597 result = osd_oi_lookup(info, dev, fid, id, OI_CHECK_FLD);
598 if (result == -ENOENT) {
599 if (!fid_is_norm(fid) ||
600 fid_is_on_ost(info, dev, fid, OI_CHECK_FLD) ||
601 !ldiskfs_test_bit(osd_oi_fid2idx(dev,fid),
603 GOTO(out, result = 0);
614 inode = osd_iget_check(info, dev, fid, id, in_oi);
616 result = PTR_ERR(inode);
617 if (result == -ENOENT || result == -ESTALE) {
619 fid_zero(&oic->oic_fid);
621 GOTO(out, result = -ENOENT);
622 } else if (result == -EREMCHG) {
626 fid_zero(&oic->oic_fid);
628 if (unlikely(triggered))
629 GOTO(out, result = saved);
632 if (thread_is_running(&scrub->os_thread)) {
633 result = -EINPROGRESS;
634 } else if (!dev->od_noscrub) {
635 result = osd_scrub_start(dev);
636 LCONSOLE_WARN("%.16s: trigger OI scrub by RPC "
637 "for "DFID", rc = %d [1]\n",
638 osd_name(dev), PFID(fid),result);
639 if (result == 0 || result == -EALREADY)
640 result = -EINPROGRESS;
645 /* We still have chance to get the valid inode: for the
646 * object which is referenced by remote name entry, the
647 * object on the local MDT will be linked under the dir
648 * of "/REMOTE_PARENT_DIR" with its FID string as name.
650 * We do not know whether the object for the given FID
651 * is referenced by some remote name entry or not, and
652 * especially for DNE II, a multiple-linked object may
653 * have many name entries reside on many MDTs.
655 * To simplify the operation, OSD will not distinguish
656 * more, just lookup "/REMOTE_PARENT_DIR". Usually, it
657 * only happened for the RPC from other MDT during the
658 * OI scrub, or for the client side RPC with FID only,
659 * such as FID to path, or from old connected client. */
661 result = osd_lookup_in_remote_parent(info, dev,
674 obj->oo_inode = inode;
675 LASSERT(obj->oo_inode->i_sb == osd_sb(dev));
677 result = osd_check_lma(env, obj);
680 obj->oo_inode = NULL;
681 if (result == -EREMCHG) {
683 result = osd_oi_lookup(info, dev, fid, id,
686 fid_zero(&oic->oic_fid);
697 obj->oo_compat_dot_created = 1;
698 obj->oo_compat_dotdot_created = 1;
700 if (!S_ISDIR(inode->i_mode) || !ldiskfs_pdo) /* done */
701 GOTO(out, result = 0);
703 LASSERT(obj->oo_hl_head == NULL);
704 obj->oo_hl_head = ldiskfs_htree_lock_head_alloc(HTREE_HBITS_DEF);
705 if (obj->oo_hl_head == NULL) {
706 obj->oo_inode = NULL;
708 GOTO(out, result = -ENOMEM);
710 GOTO(out, result = 0);
713 LINVRNT(osd_invariant(obj));
718 * Concurrency: shouldn't matter.
720 static void osd_object_init0(struct osd_object *obj)
722 LASSERT(obj->oo_inode != NULL);
723 obj->oo_dt.do_body_ops = &osd_body_ops;
724 obj->oo_dt.do_lu.lo_header->loh_attr |=
725 (LOHA_EXISTS | (obj->oo_inode->i_mode & S_IFMT));
729 * Concurrency: no concurrent access is possible that early in object
732 static int osd_object_init(const struct lu_env *env, struct lu_object *l,
733 const struct lu_object_conf *conf)
735 struct osd_object *obj = osd_obj(l);
738 LINVRNT(osd_invariant(obj));
740 if (fid_is_otable_it(&l->lo_header->loh_fid)) {
741 obj->oo_dt.do_ops = &osd_obj_otable_it_ops;
742 l->lo_header->loh_attr |= LOHA_EXISTS;
746 result = osd_fid_lookup(env, obj, lu_object_fid(l), conf);
747 obj->oo_dt.do_body_ops = &osd_body_ops_new;
748 if (result == 0 && obj->oo_inode != NULL)
749 osd_object_init0(obj);
751 LINVRNT(osd_invariant(obj));
756 * Concurrency: no concurrent access is possible that late in object
759 static void osd_object_free(const struct lu_env *env, struct lu_object *l)
761 struct osd_object *obj = osd_obj(l);
763 LINVRNT(osd_invariant(obj));
765 dt_object_fini(&obj->oo_dt);
766 if (obj->oo_hl_head != NULL)
767 ldiskfs_htree_lock_head_free(obj->oo_hl_head);
772 * Concurrency: no concurrent access is possible that late in object
775 static void osd_index_fini(struct osd_object *o)
777 struct iam_container *bag;
779 if (o->oo_dir != NULL) {
780 bag = &o->oo_dir->od_container;
781 if (o->oo_inode != NULL) {
782 if (bag->ic_object == o->oo_inode)
783 iam_container_fini(bag);
785 OBD_FREE_PTR(o->oo_dir);
791 * Concurrency: no concurrent access is possible that late in object
792 * life-cycle (for all existing callers, that is. New callers have to provide
793 * their own locking.)
795 static int osd_inode_unlinked(const struct inode *inode)
797 return inode->i_nlink == 0;
801 OSD_TXN_OI_DELETE_CREDITS = 20,
802 OSD_TXN_INODE_DELETE_CREDITS = 20
809 #if OSD_THANDLE_STATS
811 * Set time when the handle is allocated
813 static void osd_th_alloced(struct osd_thandle *oth)
815 oth->oth_alloced = cfs_time_current();
819 * Set time when the handle started
821 static void osd_th_started(struct osd_thandle *oth)
823 oth->oth_started = cfs_time_current();
827 * Helper function to convert time interval to microseconds packed in
830 static long interval_to_usec(cfs_time_t start, cfs_time_t end)
834 cfs_duration_usec(cfs_time_sub(end, start), &val);
835 return val.tv_sec * 1000000 + val.tv_usec;
839 * Check whether the we deal with this handle for too long.
841 static void __osd_th_check_slow(void *oth, struct osd_device *dev,
842 cfs_time_t alloced, cfs_time_t started,
845 cfs_time_t now = cfs_time_current();
847 LASSERT(dev != NULL);
849 lprocfs_counter_add(dev->od_stats, LPROC_OSD_THANDLE_STARTING,
850 interval_to_usec(alloced, started));
851 lprocfs_counter_add(dev->od_stats, LPROC_OSD_THANDLE_OPEN,
852 interval_to_usec(started, closed));
853 lprocfs_counter_add(dev->od_stats, LPROC_OSD_THANDLE_CLOSING,
854 interval_to_usec(closed, now));
856 if (cfs_time_before(cfs_time_add(alloced, cfs_time_seconds(30)), now)) {
857 CWARN("transaction handle %p was open for too long: "
859 "alloced "CFS_TIME_T" ,"
860 "started "CFS_TIME_T" ,"
861 "closed "CFS_TIME_T"\n",
862 oth, now, alloced, started, closed);
863 libcfs_debug_dumpstack(NULL);
867 #define OSD_CHECK_SLOW_TH(oth, dev, expr) \
869 cfs_time_t __closed = cfs_time_current(); \
870 cfs_time_t __alloced = oth->oth_alloced; \
871 cfs_time_t __started = oth->oth_started; \
874 __osd_th_check_slow(oth, dev, __alloced, __started, __closed); \
877 #else /* OSD_THANDLE_STATS */
879 #define osd_th_alloced(h) do {} while(0)
880 #define osd_th_started(h) do {} while(0)
881 #define OSD_CHECK_SLOW_TH(oth, dev, expr) expr
883 #endif /* OSD_THANDLE_STATS */
886 * Concurrency: doesn't access mutable data.
888 static int osd_param_is_not_sane(const struct osd_device *dev,
889 const struct thandle *th)
891 struct osd_thandle *oh = container_of(th, typeof(*oh), ot_super);
893 return oh->ot_credits > osd_journal(dev)->j_max_transaction_buffers;
897 * Concurrency: shouldn't matter.
899 static void osd_trans_commit_cb(struct super_block *sb,
900 struct ldiskfs_journal_cb_entry *jcb, int error)
902 struct osd_thandle *oh = container_of0(jcb, struct osd_thandle, ot_jcb);
903 struct thandle *th = &oh->ot_super;
904 struct lu_device *lud = &th->th_dev->dd_lu_dev;
905 struct dt_txn_commit_cb *dcb, *tmp;
907 LASSERT(oh->ot_handle == NULL);
910 CERROR("transaction @0x%p commit error: %d\n", th, error);
912 dt_txn_hook_commit(th);
914 /* call per-transaction callbacks if any */
915 list_for_each_entry_safe(dcb, tmp, &oh->ot_dcb_list, dcb_linkage) {
916 LASSERTF(dcb->dcb_magic == TRANS_COMMIT_CB_MAGIC,
917 "commit callback entry: magic=%x name='%s'\n",
918 dcb->dcb_magic, dcb->dcb_name);
919 list_del_init(&dcb->dcb_linkage);
920 dcb->dcb_func(NULL, th, dcb, error);
923 lu_ref_del_at(&lud->ld_reference, &oh->ot_dev_link, "osd-tx", th);
927 lu_context_exit(&th->th_ctx);
928 lu_context_fini(&th->th_ctx);
932 static struct thandle *osd_trans_create(const struct lu_env *env,
935 struct osd_thread_info *oti = osd_oti_get(env);
936 struct osd_iobuf *iobuf = &oti->oti_iobuf;
937 struct osd_thandle *oh;
941 /* on pending IO in this thread should left from prev. request */
942 LASSERT(atomic_read(&iobuf->dr_numreqs) == 0);
944 th = ERR_PTR(-ENOMEM);
945 OBD_ALLOC_GFP(oh, sizeof *oh, GFP_NOFS);
947 oh->ot_quota_trans = &oti->oti_quota_trans;
948 memset(oh->ot_quota_trans, 0, sizeof(*oh->ot_quota_trans));
952 th->th_tags = LCT_TX_HANDLE;
954 atomic_set(&th->th_refc, 1);
955 th->th_alloc_size = sizeof(*oh);
956 oti->oti_dev = osd_dt_dev(d);
957 INIT_LIST_HEAD(&oh->ot_dcb_list);
960 memset(oti->oti_declare_ops, 0,
961 sizeof(oti->oti_declare_ops));
962 memset(oti->oti_declare_ops_rb, 0,
963 sizeof(oti->oti_declare_ops_rb));
964 memset(oti->oti_declare_ops_cred, 0,
965 sizeof(oti->oti_declare_ops_cred));
966 oti->oti_rollback = false;
972 * Concurrency: shouldn't matter.
974 int osd_trans_start(const struct lu_env *env, struct dt_device *d,
977 struct osd_thread_info *oti = osd_oti_get(env);
978 struct osd_device *dev = osd_dt_dev(d);
980 struct osd_thandle *oh;
985 LASSERT(current->journal_info == NULL);
987 oh = container_of0(th, struct osd_thandle, ot_super);
989 LASSERT(oh->ot_handle == NULL);
991 rc = dt_txn_hook_start(env, d, th);
995 if (unlikely(osd_param_is_not_sane(dev, th))) {
996 static unsigned long last_printed;
997 static int last_credits;
999 CWARN("%.16s: too many transaction credits (%d > %d)\n",
1000 LDISKFS_SB(osd_sb(dev))->s_es->s_volume_name,
1002 osd_journal(dev)->j_max_transaction_buffers);
1003 CWARN(" create: %u/%u, destroy: %u/%u\n",
1004 oti->oti_declare_ops[OSD_OT_CREATE],
1005 oti->oti_declare_ops_cred[OSD_OT_CREATE],
1006 oti->oti_declare_ops[OSD_OT_DESTROY],
1007 oti->oti_declare_ops_cred[OSD_OT_DESTROY]);
1008 CWARN(" attr_set: %u/%u, xattr_set: %u/%u\n",
1009 oti->oti_declare_ops[OSD_OT_ATTR_SET],
1010 oti->oti_declare_ops_cred[OSD_OT_ATTR_SET],
1011 oti->oti_declare_ops[OSD_OT_XATTR_SET],
1012 oti->oti_declare_ops_cred[OSD_OT_XATTR_SET]);
1013 CWARN(" write: %u/%u, punch: %u/%u, quota %u/%u\n",
1014 oti->oti_declare_ops[OSD_OT_WRITE],
1015 oti->oti_declare_ops_cred[OSD_OT_WRITE],
1016 oti->oti_declare_ops[OSD_OT_PUNCH],
1017 oti->oti_declare_ops_cred[OSD_OT_PUNCH],
1018 oti->oti_declare_ops[OSD_OT_QUOTA],
1019 oti->oti_declare_ops_cred[OSD_OT_QUOTA]);
1020 CWARN(" insert: %u/%u, delete: %u/%u\n",
1021 oti->oti_declare_ops[OSD_OT_INSERT],
1022 oti->oti_declare_ops_cred[OSD_OT_INSERT],
1023 oti->oti_declare_ops[OSD_OT_DELETE],
1024 oti->oti_declare_ops_cred[OSD_OT_DELETE]);
1025 CWARN(" ref_add: %u/%u, ref_del: %u/%u\n",
1026 oti->oti_declare_ops[OSD_OT_REF_ADD],
1027 oti->oti_declare_ops_cred[OSD_OT_REF_ADD],
1028 oti->oti_declare_ops[OSD_OT_REF_DEL],
1029 oti->oti_declare_ops_cred[OSD_OT_REF_DEL]);
1031 if (last_credits != oh->ot_credits &&
1032 time_after(jiffies, last_printed + 60 * HZ)) {
1033 libcfs_debug_dumpstack(NULL);
1034 last_credits = oh->ot_credits;
1035 last_printed = jiffies;
1037 /* XXX Limit the credits to 'max_transaction_buffers', and
1038 * let the underlying filesystem to catch the error if
1039 * we really need so many credits.
1041 * This should be removed when we can calculate the
1042 * credits precisely. */
1043 oh->ot_credits = osd_journal(dev)->j_max_transaction_buffers;
1047 * XXX temporary stuff. Some abstraction layer should
1050 jh = osd_journal_start_sb(osd_sb(dev), LDISKFS_HT_MISC, oh->ot_credits);
1054 LASSERT(oti->oti_txns == 0);
1055 lu_context_init(&th->th_ctx, th->th_tags);
1056 lu_context_enter(&th->th_ctx);
1058 lu_device_get(&d->dd_lu_dev);
1059 lu_ref_add_at(&d->dd_lu_dev.ld_reference, &oh->ot_dev_link,
1070 static int osd_seq_exists(const struct lu_env *env,
1071 struct osd_device *osd, obd_seq seq)
1073 struct lu_seq_range *range = &osd_oti_get(env)->oti_seq_range;
1074 struct seq_server_site *ss = osd_seq_site(osd);
1081 rc = osd_fld_lookup(env, osd, seq, range);
1084 CERROR("%s: can't lookup FLD sequence "LPX64
1085 ": rc = %d\n", osd_name(osd), seq, rc);
1089 RETURN(ss->ss_node_id == range->lsr_index);
1093 * Concurrency: shouldn't matter.
1095 static int osd_trans_stop(const struct lu_env *env, struct dt_device *dt,
1099 struct osd_thandle *oh;
1100 struct osd_thread_info *oti = osd_oti_get(env);
1101 struct osd_iobuf *iobuf = &oti->oti_iobuf;
1102 struct qsd_instance *qsd = oti->oti_dev->od_quota_slave;
1103 struct lquota_trans *qtrans;
1106 oh = container_of0(th, struct osd_thandle, ot_super);
1108 qtrans = oh->ot_quota_trans;
1109 oh->ot_quota_trans = NULL;
1111 if (oh->ot_handle != NULL) {
1112 handle_t *hdl = oh->ot_handle;
1115 * add commit callback
1116 * notice we don't do this in osd_trans_start()
1117 * as underlying transaction can change during truncate
1119 ldiskfs_journal_callback_add(hdl, osd_trans_commit_cb,
1122 LASSERT(oti->oti_txns == 1);
1124 rc = dt_txn_hook_stop(env, th);
1126 CERROR("Failure in transaction hook: %d\n", rc);
1128 /* hook functions might modify th_sync */
1129 hdl->h_sync = th->th_sync;
1131 oh->ot_handle = NULL;
1132 OSD_CHECK_SLOW_TH(oh, oti->oti_dev,
1133 rc = ldiskfs_journal_stop(hdl));
1135 CERROR("Failure to stop transaction: %d\n", rc);
1137 thandle_put(&oh->ot_super);
1140 /* inform the quota slave device that the transaction is stopping */
1141 qsd_op_end(env, qsd, qtrans);
1143 /* as we want IO to journal and data IO be concurrent, we don't block
1144 * awaiting data IO completion in osd_do_bio(), instead we wait here
1145 * once transaction is submitted to the journal. all reqular requests
1146 * don't do direct IO (except read/write), thus this wait_event becomes
1149 * IMPORTANT: we have to wait till any IO submited by the thread is
1150 * completed otherwise iobuf may be corrupted by different request
1152 wait_event(iobuf->dr_wait,
1153 atomic_read(&iobuf->dr_numreqs) == 0);
1154 osd_fini_iobuf(oti->oti_dev, iobuf);
1156 rc = iobuf->dr_error;
1161 static int osd_trans_cb_add(struct thandle *th, struct dt_txn_commit_cb *dcb)
1163 struct osd_thandle *oh = container_of0(th, struct osd_thandle,
1166 LASSERT(dcb->dcb_magic == TRANS_COMMIT_CB_MAGIC);
1167 LASSERT(&dcb->dcb_func != NULL);
1168 list_add(&dcb->dcb_linkage, &oh->ot_dcb_list);
1174 * Called just before object is freed. Releases all resources except for
1175 * object itself (that is released by osd_object_free()).
1177 * Concurrency: no concurrent access is possible that late in object
1180 static void osd_object_delete(const struct lu_env *env, struct lu_object *l)
1182 struct osd_object *obj = osd_obj(l);
1183 struct inode *inode = obj->oo_inode;
1185 LINVRNT(osd_invariant(obj));
1188 * If object is unlinked remove fid->ino mapping from object index.
1191 osd_index_fini(obj);
1192 if (inode != NULL) {
1193 struct qsd_instance *qsd = osd_obj2dev(obj)->od_quota_slave;
1194 qid_t uid = i_uid_read(inode);
1195 qid_t gid = i_gid_read(inode);
1198 obj->oo_inode = NULL;
1201 struct osd_thread_info *info = osd_oti_get(env);
1202 struct lquota_id_info *qi = &info->oti_qi;
1204 /* Release granted quota to master if necessary */
1205 qi->lqi_id.qid_uid = uid;
1206 qsd_op_adjust(env, qsd, &qi->lqi_id, USRQUOTA);
1208 qi->lqi_id.qid_uid = gid;
1209 qsd_op_adjust(env, qsd, &qi->lqi_id, GRPQUOTA);
1215 * Concurrency: ->loo_object_release() is called under site spin-lock.
1217 static void osd_object_release(const struct lu_env *env,
1218 struct lu_object *l)
1223 * Concurrency: shouldn't matter.
1225 static int osd_object_print(const struct lu_env *env, void *cookie,
1226 lu_printer_t p, const struct lu_object *l)
1228 struct osd_object *o = osd_obj(l);
1229 struct iam_descr *d;
1231 if (o->oo_dir != NULL)
1232 d = o->oo_dir->od_container.ic_descr;
1235 return (*p)(env, cookie,
1236 LUSTRE_OSD_LDISKFS_NAME"-object@%p(i:%p:%lu/%u)[%s]",
1238 o->oo_inode ? o->oo_inode->i_ino : 0UL,
1239 o->oo_inode ? o->oo_inode->i_generation : 0,
1240 d ? d->id_ops->id_name : "plain");
1243 #define GRANT_FOR_LOCAL_OIDS 32 /* 128kB for last_rcvd, quota files, ... */
1246 * Concurrency: shouldn't matter.
1248 int osd_statfs(const struct lu_env *env, struct dt_device *d,
1249 struct obd_statfs *sfs)
1251 struct osd_device *osd = osd_dt_dev(d);
1252 struct super_block *sb = osd_sb(osd);
1253 struct kstatfs *ksfs;
1256 if (unlikely(osd->od_mnt == NULL))
1257 return -EINPROGRESS;
1259 /* osd_lproc.c call this without env, allocate ksfs for that case */
1260 if (unlikely(env == NULL)) {
1261 OBD_ALLOC_PTR(ksfs);
1265 ksfs = &osd_oti_get(env)->oti_ksfs;
1268 spin_lock(&osd->od_osfs_lock);
1269 result = sb->s_op->statfs(sb->s_root, ksfs);
1270 if (likely(result == 0)) { /* N.B. statfs can't really fail */
1271 statfs_pack(sfs, ksfs);
1272 if (sb->s_flags & MS_RDONLY)
1273 sfs->os_state = OS_STATE_READONLY;
1276 spin_unlock(&osd->od_osfs_lock);
1278 if (unlikely(env == NULL))
1281 /* Reserve a small amount of space for local objects like last_rcvd,
1282 * llog, quota files, ... */
1283 if (sfs->os_bavail <= GRANT_FOR_LOCAL_OIDS) {
1286 sfs->os_bavail -= GRANT_FOR_LOCAL_OIDS;
1287 /** Take out metadata overhead for indirect blocks */
1288 sfs->os_bavail -= sfs->os_bavail >> (sb->s_blocksize_bits - 3);
1295 * Estimate space needed for file creations. We assume the largest filename
1296 * which is 2^64 - 1, hence a filename of 20 chars.
1297 * This is 28 bytes per object which is 28MB for 1M objects ... no so bad.
1299 #ifdef __LDISKFS_DIR_REC_LEN
1300 #define PER_OBJ_USAGE __LDISKFS_DIR_REC_LEN(20)
1302 #define PER_OBJ_USAGE LDISKFS_DIR_REC_LEN(20)
1306 * Concurrency: doesn't access mutable data.
1308 static void osd_conf_get(const struct lu_env *env,
1309 const struct dt_device *dev,
1310 struct dt_device_param *param)
1312 struct super_block *sb = osd_sb(osd_dt_dev(dev));
1316 * XXX should be taken from not-yet-existing fs abstraction layer.
1318 param->ddp_max_name_len = LDISKFS_NAME_LEN;
1319 param->ddp_max_nlink = LDISKFS_LINK_MAX;
1320 param->ddp_block_shift = sb->s_blocksize_bits;
1321 param->ddp_mount_type = LDD_MT_LDISKFS;
1322 param->ddp_maxbytes = sb->s_maxbytes;
1323 /* Overhead estimate should be fairly accurate, so we really take a tiny
1324 * error margin which also avoids fragmenting the filesystem too much */
1325 param->ddp_grant_reserved = 2; /* end up to be 1.9% after conversion */
1326 /* inode are statically allocated, so per-inode space consumption
1327 * is the space consumed by the directory entry */
1328 param->ddp_inodespace = PER_OBJ_USAGE;
1329 /* per-fragment overhead to be used by the client code */
1330 param->ddp_grant_frag = 6 * LDISKFS_BLOCK_SIZE(sb);
1331 param->ddp_mntopts = 0;
1332 if (test_opt(sb, XATTR_USER))
1333 param->ddp_mntopts |= MNTOPT_USERXATTR;
1334 if (test_opt(sb, POSIX_ACL))
1335 param->ddp_mntopts |= MNTOPT_ACL;
1337 /* LOD might calculate the max stripe count based on max_ea_size,
1338 * so we need take account in the overhead as well,
1339 * xattr_header + magic + xattr_entry_head */
1340 ea_overhead = sizeof(struct ldiskfs_xattr_header) + sizeof(__u32) +
1341 LDISKFS_XATTR_LEN(XATTR_NAME_MAX_LEN);
1343 #if defined(LDISKFS_FEATURE_INCOMPAT_EA_INODE)
1344 if (LDISKFS_HAS_INCOMPAT_FEATURE(sb, LDISKFS_FEATURE_INCOMPAT_EA_INODE))
1345 param->ddp_max_ea_size = LDISKFS_XATTR_MAX_LARGE_EA_SIZE -
1349 param->ddp_max_ea_size = sb->s_blocksize - ea_overhead;
1353 * Concurrency: shouldn't matter.
1355 static int osd_sync(const struct lu_env *env, struct dt_device *d)
1357 CDEBUG(D_HA, "syncing OSD %s\n", LUSTRE_OSD_LDISKFS_NAME);
1358 return ldiskfs_force_commit(osd_sb(osd_dt_dev(d)));
1362 * Start commit for OSD device.
1364 * An implementation of dt_commit_async method for OSD device.
1365 * Asychronously starts underlayng fs sync and thereby a transaction
1368 * \param env environment
1369 * \param d dt device
1371 * \see dt_device_operations
1373 static int osd_commit_async(const struct lu_env *env,
1374 struct dt_device *d)
1376 struct super_block *s = osd_sb(osd_dt_dev(d));
1379 CDEBUG(D_HA, "async commit OSD %s\n", LUSTRE_OSD_LDISKFS_NAME);
1380 RETURN(s->s_op->sync_fs(s, 0));
1384 * Concurrency: shouldn't matter.
1387 static int osd_ro(const struct lu_env *env, struct dt_device *d)
1389 struct super_block *sb = osd_sb(osd_dt_dev(d));
1390 struct block_device *dev = sb->s_bdev;
1391 #ifdef HAVE_DEV_SET_RDONLY
1392 struct block_device *jdev = LDISKFS_SB(sb)->journal_bdev;
1395 int rc = -EOPNOTSUPP;
1399 #ifdef HAVE_DEV_SET_RDONLY
1400 CERROR("*** setting %s read-only ***\n", osd_dt_dev(d)->od_svname);
1402 if (jdev && (jdev != dev)) {
1403 CDEBUG(D_IOCTL | D_HA, "set journal dev %lx rdonly\n",
1405 dev_set_rdonly(jdev);
1407 CDEBUG(D_IOCTL | D_HA, "set dev %lx rdonly\n", (long)dev);
1408 dev_set_rdonly(dev);
1410 CERROR("%s: %lx CANNOT BE SET READONLY: rc = %d\n",
1411 osd_dt_dev(d)->od_svname, (long)dev, rc);
1417 * Concurrency: serialization provided by callers.
1419 static int osd_init_capa_ctxt(const struct lu_env *env, struct dt_device *d,
1420 int mode, unsigned long timeout, __u32 alg,
1421 struct lustre_capa_key *keys)
1423 struct osd_device *dev = osd_dt_dev(d);
1426 dev->od_fl_capa = mode;
1427 dev->od_capa_timeout = timeout;
1428 dev->od_capa_alg = alg;
1429 dev->od_capa_keys = keys;
1434 * Note: we do not count into QUOTA here.
1435 * If we mount with --data_journal we may need more.
1437 const int osd_dto_credits_noquota[DTO_NR] = {
1440 * INDEX_EXTRA_TRANS_BLOCKS(8) +
1441 * SINGLEDATA_TRANS_BLOCKS(8)
1442 * XXX Note: maybe iam need more, since iam have more level than
1445 [DTO_INDEX_INSERT] = 16,
1448 * just modify a single entry, probably merge few within a block
1450 [DTO_INDEX_DELETE] = 1,
1454 [DTO_INDEX_UPDATE] = 16,
1456 * 4(inode, inode bits, groups, GDT)
1457 * notice: OI updates are counted separately with DTO_INDEX_INSERT
1459 [DTO_OBJECT_CREATE] = 4,
1461 * 4(inode, inode bits, groups, GDT)
1462 * notice: OI updates are counted separately with DTO_INDEX_DELETE
1464 [DTO_OBJECT_DELETE] = 4,
1466 * Attr set credits (inode)
1468 [DTO_ATTR_SET_BASE] = 1,
1470 * Xattr set. The same as xattr of EXT3.
1471 * DATA_TRANS_BLOCKS(14)
1472 * XXX Note: in original MDS implmentation INDEX_EXTRA_TRANS_BLOCKS
1473 * are also counted in. Do not know why?
1475 [DTO_XATTR_SET] = 14,
1477 * credits for inode change during write.
1479 [DTO_WRITE_BASE] = 3,
1481 * credits for single block write.
1483 [DTO_WRITE_BLOCK] = 14,
1485 * Attr set credits for chown.
1486 * This is extra credits for setattr, and it is null without quota
1488 [DTO_ATTR_SET_CHOWN] = 0
1491 static const struct dt_device_operations osd_dt_ops = {
1492 .dt_root_get = osd_root_get,
1493 .dt_statfs = osd_statfs,
1494 .dt_trans_create = osd_trans_create,
1495 .dt_trans_start = osd_trans_start,
1496 .dt_trans_stop = osd_trans_stop,
1497 .dt_trans_cb_add = osd_trans_cb_add,
1498 .dt_conf_get = osd_conf_get,
1499 .dt_sync = osd_sync,
1501 .dt_commit_async = osd_commit_async,
1502 .dt_init_capa_ctxt = osd_init_capa_ctxt,
1505 static void osd_object_read_lock(const struct lu_env *env,
1506 struct dt_object *dt, unsigned role)
1508 struct osd_object *obj = osd_dt_obj(dt);
1509 struct osd_thread_info *oti = osd_oti_get(env);
1511 LINVRNT(osd_invariant(obj));
1513 LASSERT(obj->oo_owner != env);
1514 down_read_nested(&obj->oo_sem, role);
1516 LASSERT(obj->oo_owner == NULL);
1520 static void osd_object_write_lock(const struct lu_env *env,
1521 struct dt_object *dt, unsigned role)
1523 struct osd_object *obj = osd_dt_obj(dt);
1524 struct osd_thread_info *oti = osd_oti_get(env);
1526 LINVRNT(osd_invariant(obj));
1528 LASSERT(obj->oo_owner != env);
1529 down_write_nested(&obj->oo_sem, role);
1531 LASSERT(obj->oo_owner == NULL);
1532 obj->oo_owner = env;
1536 static void osd_object_read_unlock(const struct lu_env *env,
1537 struct dt_object *dt)
1539 struct osd_object *obj = osd_dt_obj(dt);
1540 struct osd_thread_info *oti = osd_oti_get(env);
1542 LINVRNT(osd_invariant(obj));
1544 LASSERT(oti->oti_r_locks > 0);
1546 up_read(&obj->oo_sem);
1549 static void osd_object_write_unlock(const struct lu_env *env,
1550 struct dt_object *dt)
1552 struct osd_object *obj = osd_dt_obj(dt);
1553 struct osd_thread_info *oti = osd_oti_get(env);
1555 LINVRNT(osd_invariant(obj));
1557 LASSERT(obj->oo_owner == env);
1558 LASSERT(oti->oti_w_locks > 0);
1560 obj->oo_owner = NULL;
1561 up_write(&obj->oo_sem);
1564 static int osd_object_write_locked(const struct lu_env *env,
1565 struct dt_object *dt)
1567 struct osd_object *obj = osd_dt_obj(dt);
1569 LINVRNT(osd_invariant(obj));
1571 return obj->oo_owner == env;
1574 static int capa_is_sane(const struct lu_env *env,
1575 struct osd_device *dev,
1576 struct lustre_capa *capa,
1577 struct lustre_capa_key *keys)
1579 struct osd_thread_info *oti = osd_oti_get(env);
1580 struct lustre_capa *tcapa = &oti->oti_capa;
1581 struct obd_capa *oc;
1585 oc = capa_lookup(dev->od_capa_hash, capa, 0);
1587 if (capa_is_expired(oc)) {
1588 DEBUG_CAPA(D_ERROR, capa, "expired");
1595 if (capa_is_expired_sec(capa)) {
1596 DEBUG_CAPA(D_ERROR, capa, "expired");
1600 spin_lock(&capa_lock);
1601 for (i = 0; i < 2; i++) {
1602 if (keys[i].lk_keyid == capa->lc_keyid) {
1603 oti->oti_capa_key = keys[i];
1607 spin_unlock(&capa_lock);
1610 DEBUG_CAPA(D_ERROR, capa, "no matched capa key");
1614 rc = capa_hmac(tcapa->lc_hmac, capa, oti->oti_capa_key.lk_key);
1618 if (memcmp(tcapa->lc_hmac, capa->lc_hmac, sizeof(capa->lc_hmac))) {
1619 DEBUG_CAPA(D_ERROR, capa, "HMAC mismatch");
1623 oc = capa_add(dev->od_capa_hash, capa);
1629 int osd_object_auth(const struct lu_env *env, struct dt_object *dt,
1630 struct lustre_capa *capa, __u64 opc)
1632 const struct lu_fid *fid = lu_object_fid(&dt->do_lu);
1633 struct osd_device *osd = osd_dev(dt->do_lu.lo_dev);
1634 struct lu_capainfo *lci;
1637 if (!osd->od_fl_capa)
1640 if (capa == BYPASS_CAPA)
1643 lci = lu_capainfo_get(env);
1644 if (unlikely(lci == NULL))
1647 if (lci->lci_auth == LC_ID_NONE)
1651 CERROR("%s: no capability provided for FID "DFID": rc = %d\n",
1652 osd_name(osd), PFID(fid), -EACCES);
1656 if (!lu_fid_eq(fid, &capa->lc_fid)) {
1657 DEBUG_CAPA(D_ERROR, capa, "fid "DFID" mismatch with",
1662 if (!capa_opc_supported(capa, opc)) {
1663 DEBUG_CAPA(D_ERROR, capa, "opc "LPX64" not supported by", opc);
1667 rc = capa_is_sane(env, osd, capa, osd->od_capa_keys);
1669 DEBUG_CAPA(D_ERROR, capa, "insane: rc = %d", rc);
1676 static struct timespec *osd_inode_time(const struct lu_env *env,
1677 struct inode *inode, __u64 seconds)
1679 struct osd_thread_info *oti = osd_oti_get(env);
1680 struct timespec *t = &oti->oti_time;
1682 t->tv_sec = seconds;
1684 *t = timespec_trunc(*t, inode->i_sb->s_time_gran);
1689 static void osd_inode_getattr(const struct lu_env *env,
1690 struct inode *inode, struct lu_attr *attr)
1692 attr->la_valid |= LA_ATIME | LA_MTIME | LA_CTIME | LA_MODE |
1693 LA_SIZE | LA_BLOCKS | LA_UID | LA_GID |
1694 LA_FLAGS | LA_NLINK | LA_RDEV | LA_BLKSIZE |
1697 attr->la_atime = LTIME_S(inode->i_atime);
1698 attr->la_mtime = LTIME_S(inode->i_mtime);
1699 attr->la_ctime = LTIME_S(inode->i_ctime);
1700 attr->la_mode = inode->i_mode;
1701 attr->la_size = i_size_read(inode);
1702 attr->la_blocks = inode->i_blocks;
1703 attr->la_uid = i_uid_read(inode);
1704 attr->la_gid = i_gid_read(inode);
1705 attr->la_flags = LDISKFS_I(inode)->i_flags;
1706 attr->la_nlink = inode->i_nlink;
1707 attr->la_rdev = inode->i_rdev;
1708 attr->la_blksize = 1 << inode->i_blkbits;
1709 attr->la_blkbits = inode->i_blkbits;
1712 static int osd_attr_get(const struct lu_env *env,
1713 struct dt_object *dt,
1714 struct lu_attr *attr,
1715 struct lustre_capa *capa)
1717 struct osd_object *obj = osd_dt_obj(dt);
1719 LASSERT(dt_object_exists(dt) && !dt_object_remote(dt));
1720 LINVRNT(osd_invariant(obj));
1722 if (osd_object_auth(env, dt, capa, CAPA_OPC_META_READ))
1725 spin_lock(&obj->oo_guard);
1726 osd_inode_getattr(env, obj->oo_inode, attr);
1727 spin_unlock(&obj->oo_guard);
1731 static int osd_declare_attr_set(const struct lu_env *env,
1732 struct dt_object *dt,
1733 const struct lu_attr *attr,
1734 struct thandle *handle)
1736 struct osd_thandle *oh;
1737 struct osd_object *obj;
1738 struct osd_thread_info *info = osd_oti_get(env);
1739 struct lquota_id_info *qi = &info->oti_qi;
1747 LASSERT(dt != NULL);
1748 LASSERT(handle != NULL);
1750 obj = osd_dt_obj(dt);
1751 LASSERT(osd_invariant(obj));
1753 oh = container_of0(handle, struct osd_thandle, ot_super);
1754 LASSERT(oh->ot_handle == NULL);
1756 osd_trans_declare_op(env, oh, OSD_OT_ATTR_SET,
1757 osd_dto_credits_noquota[DTO_ATTR_SET_BASE]);
1759 if (attr == NULL || obj->oo_inode == NULL)
1762 bspace = obj->oo_inode->i_blocks;
1763 bspace <<= obj->oo_inode->i_sb->s_blocksize_bits;
1764 bspace = toqb(bspace);
1766 /* Changing ownership is always preformed by super user, it should not
1769 * We still need to call the osd_declare_qid() to calculate the journal
1770 * credits for updating quota accounting files and to trigger quota
1771 * space adjustment once the operation is completed.*/
1772 if ((attr->la_valid & LA_UID) != 0 &&
1773 attr->la_uid != (uid = i_uid_read(obj->oo_inode))) {
1774 qi->lqi_type = USRQUOTA;
1776 /* inode accounting */
1777 qi->lqi_is_blk = false;
1779 /* one more inode for the new owner ... */
1780 qi->lqi_id.qid_uid = attr->la_uid;
1782 allocated = (attr->la_uid == 0) ? true : false;
1783 rc = osd_declare_qid(env, oh, qi, allocated, NULL);
1784 if (rc == -EDQUOT || rc == -EINPROGRESS)
1789 /* and one less inode for the current uid */
1790 qi->lqi_id.qid_uid = uid;
1792 rc = osd_declare_qid(env, oh, qi, true, NULL);
1793 if (rc == -EDQUOT || rc == -EINPROGRESS)
1798 /* block accounting */
1799 qi->lqi_is_blk = true;
1801 /* more blocks for the new owner ... */
1802 qi->lqi_id.qid_uid = attr->la_uid;
1803 qi->lqi_space = bspace;
1804 allocated = (attr->la_uid == 0) ? true : false;
1805 rc = osd_declare_qid(env, oh, qi, allocated, NULL);
1806 if (rc == -EDQUOT || rc == -EINPROGRESS)
1811 /* and finally less blocks for the current owner */
1812 qi->lqi_id.qid_uid = uid;
1813 qi->lqi_space = -bspace;
1814 rc = osd_declare_qid(env, oh, qi, true, NULL);
1815 if (rc == -EDQUOT || rc == -EINPROGRESS)
1821 if (attr->la_valid & LA_GID &&
1822 attr->la_gid != (gid = i_gid_read(obj->oo_inode))) {
1823 qi->lqi_type = GRPQUOTA;
1825 /* inode accounting */
1826 qi->lqi_is_blk = false;
1828 /* one more inode for the new group owner ... */
1829 qi->lqi_id.qid_gid = attr->la_gid;
1831 allocated = (attr->la_gid == 0) ? true : false;
1832 rc = osd_declare_qid(env, oh, qi, allocated, NULL);
1833 if (rc == -EDQUOT || rc == -EINPROGRESS)
1838 /* and one less inode for the current gid */
1839 qi->lqi_id.qid_gid = gid;
1841 rc = osd_declare_qid(env, oh, qi, true, NULL);
1842 if (rc == -EDQUOT || rc == -EINPROGRESS)
1847 /* block accounting */
1848 qi->lqi_is_blk = true;
1850 /* more blocks for the new owner ... */
1851 qi->lqi_id.qid_gid = attr->la_gid;
1852 qi->lqi_space = bspace;
1853 allocated = (attr->la_gid == 0) ? true : false;
1854 rc = osd_declare_qid(env, oh, qi, allocated, NULL);
1855 if (rc == -EDQUOT || rc == -EINPROGRESS)
1860 /* and finally less blocks for the current owner */
1861 qi->lqi_id.qid_gid = gid;
1862 qi->lqi_space = -bspace;
1863 rc = osd_declare_qid(env, oh, qi, true, NULL);
1864 if (rc == -EDQUOT || rc == -EINPROGRESS)
1873 static int osd_inode_setattr(const struct lu_env *env,
1874 struct inode *inode, const struct lu_attr *attr)
1878 bits = attr->la_valid;
1880 if (bits & LA_ATIME)
1881 inode->i_atime = *osd_inode_time(env, inode, attr->la_atime);
1882 if (bits & LA_CTIME)
1883 inode->i_ctime = *osd_inode_time(env, inode, attr->la_ctime);
1884 if (bits & LA_MTIME)
1885 inode->i_mtime = *osd_inode_time(env, inode, attr->la_mtime);
1886 if (bits & LA_SIZE) {
1887 LDISKFS_I(inode)->i_disksize = attr->la_size;
1888 i_size_write(inode, attr->la_size);
1892 /* OSD should not change "i_blocks" which is used by quota.
1893 * "i_blocks" should be changed by ldiskfs only. */
1894 if (bits & LA_BLOCKS)
1895 inode->i_blocks = attr->la_blocks;
1898 inode->i_mode = (inode->i_mode & S_IFMT) |
1899 (attr->la_mode & ~S_IFMT);
1901 i_uid_write(inode, attr->la_uid);
1903 i_gid_write(inode, attr->la_gid);
1904 if (bits & LA_NLINK)
1905 set_nlink(inode, attr->la_nlink);
1907 inode->i_rdev = attr->la_rdev;
1909 if (bits & LA_FLAGS) {
1910 /* always keep S_NOCMTIME */
1911 inode->i_flags = ll_ext_to_inode_flags(attr->la_flags) |
1917 static int osd_quota_transfer(struct inode *inode, const struct lu_attr *attr)
1919 if ((attr->la_valid & LA_UID && attr->la_uid != i_uid_read(inode)) ||
1920 (attr->la_valid & LA_GID && attr->la_gid != i_gid_read(inode))) {
1925 if (attr->la_valid & LA_UID)
1926 iattr.ia_valid |= ATTR_UID;
1927 if (attr->la_valid & LA_GID)
1928 iattr.ia_valid |= ATTR_GID;
1929 iattr.ia_uid = make_kuid(&init_user_ns, attr->la_uid);
1930 iattr.ia_gid = make_kgid(&init_user_ns, attr->la_gid);
1932 rc = ll_vfs_dq_transfer(inode, &iattr);
1934 CERROR("%s: quota transfer failed: rc = %d. Is quota "
1935 "enforcement enabled on the ldiskfs filesystem?",
1936 inode->i_sb->s_id, rc);
1943 static int osd_attr_set(const struct lu_env *env,
1944 struct dt_object *dt,
1945 const struct lu_attr *attr,
1946 struct thandle *handle,
1947 struct lustre_capa *capa)
1949 struct osd_object *obj = osd_dt_obj(dt);
1950 struct inode *inode;
1953 LASSERT(handle != NULL);
1954 LASSERT(dt_object_exists(dt) && !dt_object_remote(dt));
1955 LASSERT(osd_invariant(obj));
1957 if (osd_object_auth(env, dt, capa, CAPA_OPC_META_WRITE))
1960 osd_trans_exec_op(env, handle, OSD_OT_ATTR_SET);
1962 if (OBD_FAIL_CHECK(OBD_FAIL_OSD_FID_MAPPING)) {
1963 struct osd_thread_info *oti = osd_oti_get(env);
1964 const struct lu_fid *fid0 = lu_object_fid(&dt->do_lu);
1965 struct lu_fid *fid1 = &oti->oti_fid;
1966 struct osd_inode_id *id = &oti->oti_id;
1967 struct iam_path_descr *ipd;
1968 struct iam_container *bag;
1969 struct osd_thandle *oh;
1972 fid_cpu_to_be(fid1, fid0);
1973 memset(id, 1, sizeof(*id));
1974 bag = &osd_fid2oi(osd_dev(dt->do_lu.lo_dev),
1975 fid0)->oi_dir.od_container;
1976 ipd = osd_idx_ipd_get(env, bag);
1977 if (unlikely(ipd == NULL))
1980 oh = container_of0(handle, struct osd_thandle, ot_super);
1981 rc = iam_update(oh->ot_handle, bag, (const struct iam_key *)fid1,
1982 (const struct iam_rec *)id, ipd);
1983 osd_ipd_put(env, bag, ipd);
1984 return(rc > 0 ? 0 : rc);
1987 inode = obj->oo_inode;
1988 ll_vfs_dq_init(inode);
1990 rc = osd_quota_transfer(inode, attr);
1994 spin_lock(&obj->oo_guard);
1995 rc = osd_inode_setattr(env, inode, attr);
1996 spin_unlock(&obj->oo_guard);
1999 ll_dirty_inode(inode, I_DIRTY_DATASYNC);
2003 struct dentry *osd_child_dentry_get(const struct lu_env *env,
2004 struct osd_object *obj,
2005 const char *name, const int namelen)
2007 return osd_child_dentry_by_inode(env, obj->oo_inode, name, namelen);
2010 static int osd_mkfile(struct osd_thread_info *info, struct osd_object *obj,
2011 umode_t mode, struct dt_allocation_hint *hint,
2015 struct osd_device *osd = osd_obj2dev(obj);
2016 struct osd_thandle *oth;
2017 struct dt_object *parent = NULL;
2018 struct inode *inode;
2020 LINVRNT(osd_invariant(obj));
2021 LASSERT(obj->oo_inode == NULL);
2022 LASSERT(obj->oo_hl_head == NULL);
2024 if (S_ISDIR(mode) && ldiskfs_pdo) {
2025 obj->oo_hl_head =ldiskfs_htree_lock_head_alloc(HTREE_HBITS_DEF);
2026 if (obj->oo_hl_head == NULL)
2030 oth = container_of(th, struct osd_thandle, ot_super);
2031 LASSERT(oth->ot_handle->h_transaction != NULL);
2033 if (hint && hint->dah_parent)
2034 parent = hint->dah_parent;
2036 inode = ldiskfs_create_inode(oth->ot_handle,
2037 parent ? osd_dt_obj(parent)->oo_inode :
2038 osd_sb(osd)->s_root->d_inode,
2040 if (!IS_ERR(inode)) {
2041 /* Do not update file c/mtime in ldiskfs.
2042 * NB: don't need any lock because no contention at this
2044 inode->i_flags |= S_NOCMTIME;
2046 /* For new created object, it must be consistent,
2047 * and it is unnecessary to scrub against it. */
2048 ldiskfs_set_inode_state(inode, LDISKFS_STATE_LUSTRE_NOSCRUB);
2049 obj->oo_inode = inode;
2052 if (obj->oo_hl_head != NULL) {
2053 ldiskfs_htree_lock_head_free(obj->oo_hl_head);
2054 obj->oo_hl_head = NULL;
2056 result = PTR_ERR(inode);
2058 LINVRNT(osd_invariant(obj));
2066 static int osd_mkdir(struct osd_thread_info *info, struct osd_object *obj,
2067 struct lu_attr *attr,
2068 struct dt_allocation_hint *hint,
2069 struct dt_object_format *dof,
2073 struct osd_thandle *oth;
2074 __u32 mode = (attr->la_mode & (S_IFMT | S_IRWXUGO | S_ISVTX));
2076 LASSERT(S_ISDIR(attr->la_mode));
2078 oth = container_of(th, struct osd_thandle, ot_super);
2079 LASSERT(oth->ot_handle->h_transaction != NULL);
2080 result = osd_mkfile(info, obj, mode, hint, th);
2085 static int osd_mk_index(struct osd_thread_info *info, struct osd_object *obj,
2086 struct lu_attr *attr,
2087 struct dt_allocation_hint *hint,
2088 struct dt_object_format *dof,
2092 struct osd_thandle *oth;
2093 const struct dt_index_features *feat = dof->u.dof_idx.di_feat;
2095 __u32 mode = (attr->la_mode & (S_IFMT | S_IALLUGO | S_ISVTX));
2097 LASSERT(S_ISREG(attr->la_mode));
2099 oth = container_of(th, struct osd_thandle, ot_super);
2100 LASSERT(oth->ot_handle->h_transaction != NULL);
2102 result = osd_mkfile(info, obj, mode, hint, th);
2104 LASSERT(obj->oo_inode != NULL);
2105 if (feat->dif_flags & DT_IND_VARKEY)
2106 result = iam_lvar_create(obj->oo_inode,
2107 feat->dif_keysize_max,
2109 feat->dif_recsize_max,
2112 result = iam_lfix_create(obj->oo_inode,
2113 feat->dif_keysize_max,
2115 feat->dif_recsize_max,
2122 static int osd_mkreg(struct osd_thread_info *info, struct osd_object *obj,
2123 struct lu_attr *attr,
2124 struct dt_allocation_hint *hint,
2125 struct dt_object_format *dof,
2128 LASSERT(S_ISREG(attr->la_mode));
2129 return osd_mkfile(info, obj, (attr->la_mode &
2130 (S_IFMT | S_IALLUGO | S_ISVTX)), hint, th);
2133 static int osd_mksym(struct osd_thread_info *info, struct osd_object *obj,
2134 struct lu_attr *attr,
2135 struct dt_allocation_hint *hint,
2136 struct dt_object_format *dof,
2139 LASSERT(S_ISLNK(attr->la_mode));
2140 return osd_mkfile(info, obj, (attr->la_mode &
2141 (S_IFMT | S_IALLUGO | S_ISVTX)), hint, th);
2144 static int osd_mknod(struct osd_thread_info *info, struct osd_object *obj,
2145 struct lu_attr *attr,
2146 struct dt_allocation_hint *hint,
2147 struct dt_object_format *dof,
2150 umode_t mode = attr->la_mode & (S_IFMT | S_IALLUGO | S_ISVTX);
2153 LINVRNT(osd_invariant(obj));
2154 LASSERT(obj->oo_inode == NULL);
2155 LASSERT(S_ISCHR(mode) || S_ISBLK(mode) ||
2156 S_ISFIFO(mode) || S_ISSOCK(mode));
2158 result = osd_mkfile(info, obj, mode, hint, th);
2160 LASSERT(obj->oo_inode != NULL);
2162 * This inode should be marked dirty for i_rdev. Currently
2163 * that is done in the osd_attr_init().
2165 init_special_inode(obj->oo_inode, obj->oo_inode->i_mode,
2168 LINVRNT(osd_invariant(obj));
2172 typedef int (*osd_obj_type_f)(struct osd_thread_info *, struct osd_object *,
2174 struct dt_allocation_hint *hint,
2175 struct dt_object_format *dof,
2178 static osd_obj_type_f osd_create_type_f(enum dt_format_type type)
2180 osd_obj_type_f result;
2196 result = osd_mk_index;
2207 static void osd_ah_init(const struct lu_env *env, struct dt_allocation_hint *ah,
2208 struct dt_object *parent, struct dt_object *child,
2213 ah->dah_parent = parent;
2214 ah->dah_mode = child_mode;
2217 static void osd_attr_init(struct osd_thread_info *info, struct osd_object *obj,
2218 struct lu_attr *attr, struct dt_object_format *dof)
2220 struct inode *inode = obj->oo_inode;
2221 __u64 valid = attr->la_valid;
2224 attr->la_valid &= ~(LA_TYPE | LA_MODE);
2226 if (dof->dof_type != DFT_NODE)
2227 attr->la_valid &= ~LA_RDEV;
2228 if ((valid & LA_ATIME) && (attr->la_atime == LTIME_S(inode->i_atime)))
2229 attr->la_valid &= ~LA_ATIME;
2230 if ((valid & LA_CTIME) && (attr->la_ctime == LTIME_S(inode->i_ctime)))
2231 attr->la_valid &= ~LA_CTIME;
2232 if ((valid & LA_MTIME) && (attr->la_mtime == LTIME_S(inode->i_mtime)))
2233 attr->la_valid &= ~LA_MTIME;
2235 result = osd_quota_transfer(inode, attr);
2239 if (attr->la_valid != 0) {
2240 result = osd_inode_setattr(info->oti_env, inode, attr);
2242 * The osd_inode_setattr() should always succeed here. The
2243 * only error that could be returned is EDQUOT when we are
2244 * trying to change the UID or GID of the inode. However, this
2245 * should not happen since quota enforcement is no longer
2246 * enabled on ldiskfs (lquota takes care of it).
2248 LASSERTF(result == 0, "%d", result);
2249 ll_dirty_inode(inode, I_DIRTY_DATASYNC);
2252 attr->la_valid = valid;
2256 * Helper function for osd_object_create()
2258 * \retval 0, on success
2260 static int __osd_object_create(struct osd_thread_info *info,
2261 struct osd_object *obj, struct lu_attr *attr,
2262 struct dt_allocation_hint *hint,
2263 struct dt_object_format *dof,
2269 /* we drop umask so that permissions we pass are not affected */
2270 umask = current->fs->umask;
2271 current->fs->umask = 0;
2273 result = osd_create_type_f(dof->dof_type)(info, obj, attr, hint, dof,
2276 osd_attr_init(info, obj, attr, dof);
2277 osd_object_init0(obj);
2279 if (obj->oo_inode && (obj->oo_inode->i_state & I_NEW))
2280 unlock_new_inode(obj->oo_inode);
2283 /* restore previous umask value */
2284 current->fs->umask = umask;
2290 * Helper function for osd_object_create()
2292 * \retval 0, on success
2294 static int __osd_oi_insert(const struct lu_env *env, struct osd_object *obj,
2295 const struct lu_fid *fid, struct thandle *th)
2297 struct osd_thread_info *info = osd_oti_get(env);
2298 struct osd_inode_id *id = &info->oti_id;
2299 struct osd_device *osd = osd_obj2dev(obj);
2300 struct osd_thandle *oh;
2302 LASSERT(obj->oo_inode != NULL);
2304 oh = container_of0(th, struct osd_thandle, ot_super);
2305 LASSERT(oh->ot_handle);
2307 osd_id_gen(id, obj->oo_inode->i_ino, obj->oo_inode->i_generation);
2308 return osd_oi_insert(info, osd, fid, id, oh->ot_handle, OI_CHECK_FLD);
2311 int osd_fld_lookup(const struct lu_env *env, struct osd_device *osd,
2312 obd_seq seq, struct lu_seq_range *range)
2314 struct seq_server_site *ss = osd_seq_site(osd);
2316 if (fid_seq_is_idif(seq)) {
2317 fld_range_set_ost(range);
2318 range->lsr_index = idif_ost_idx(seq);
2322 if (!fid_seq_in_fldb(seq)) {
2323 fld_range_set_mdt(range);
2325 /* FIXME: If ss is NULL, it suppose not get lsr_index
2327 range->lsr_index = ss->ss_node_id;
2331 LASSERT(ss != NULL);
2332 fld_range_set_any(range);
2333 /* OSD will only do local fld lookup */
2334 return fld_local_lookup(env, ss->ss_server_fld, seq, range);
2338 * Concurrency: no external locking is necessary.
2340 static int osd_declare_object_create(const struct lu_env *env,
2341 struct dt_object *dt,
2342 struct lu_attr *attr,
2343 struct dt_allocation_hint *hint,
2344 struct dt_object_format *dof,
2345 struct thandle *handle)
2347 struct osd_thandle *oh;
2351 LASSERT(handle != NULL);
2353 oh = container_of0(handle, struct osd_thandle, ot_super);
2354 LASSERT(oh->ot_handle == NULL);
2356 osd_trans_declare_op(env, oh, OSD_OT_CREATE,
2357 osd_dto_credits_noquota[DTO_OBJECT_CREATE]);
2358 /* Reuse idle OI block may cause additional one OI block
2360 osd_trans_declare_op(env, oh, OSD_OT_INSERT,
2361 osd_dto_credits_noquota[DTO_INDEX_INSERT] + 1);
2363 /* If this is directory, then we expect . and .. to be inserted as
2364 * well. The one directory block always needs to be created for the
2365 * directory, so we could use DTO_WRITE_BASE here (GDT, block bitmap,
2366 * block), there is no danger of needing a tree for the first block.
2368 if (attr && S_ISDIR(attr->la_mode)) {
2369 osd_trans_declare_op(env, oh, OSD_OT_INSERT,
2370 osd_dto_credits_noquota[DTO_WRITE_BASE]);
2371 osd_trans_declare_op(env, oh, OSD_OT_INSERT, 0);
2377 rc = osd_declare_inode_qid(env, attr->la_uid, attr->la_gid, 1, oh,
2378 false, false, NULL, false);
2385 static int osd_object_create(const struct lu_env *env, struct dt_object *dt,
2386 struct lu_attr *attr,
2387 struct dt_allocation_hint *hint,
2388 struct dt_object_format *dof,
2391 const struct lu_fid *fid = lu_object_fid(&dt->do_lu);
2392 struct osd_object *obj = osd_dt_obj(dt);
2393 struct osd_thread_info *info = osd_oti_get(env);
2398 LINVRNT(osd_invariant(obj));
2399 LASSERT(!dt_object_exists(dt) && !dt_object_remote(dt));
2400 LASSERT(osd_write_locked(env, obj));
2401 LASSERT(th != NULL);
2403 if (unlikely(fid_is_acct(fid)))
2404 /* Quota files can't be created from the kernel any more,
2405 * 'tune2fs -O quota' will take care of creating them */
2408 osd_trans_exec_op(env, th, OSD_OT_CREATE);
2409 osd_trans_declare_rb(env, th, OSD_OT_REF_ADD);
2411 result = __osd_object_create(info, obj, attr, hint, dof, th);
2413 result = __osd_oi_insert(env, obj, fid, th);
2415 LASSERT(ergo(result == 0,
2416 dt_object_exists(dt) && !dt_object_remote(dt)));
2418 LASSERT(osd_invariant(obj));
2423 * Called to destroy on-disk representation of the object
2425 * Concurrency: must be locked
2427 static int osd_declare_object_destroy(const struct lu_env *env,
2428 struct dt_object *dt,
2431 struct osd_object *obj = osd_dt_obj(dt);
2432 struct inode *inode = obj->oo_inode;
2433 struct osd_thandle *oh;
2437 oh = container_of0(th, struct osd_thandle, ot_super);
2438 LASSERT(oh->ot_handle == NULL);
2441 osd_trans_declare_op(env, oh, OSD_OT_DESTROY,
2442 osd_dto_credits_noquota[DTO_OBJECT_DELETE]);
2443 /* Recycle idle OI leaf may cause additional three OI blocks
2445 osd_trans_declare_op(env, oh, OSD_OT_DELETE,
2446 osd_dto_credits_noquota[DTO_INDEX_DELETE] + 3);
2447 /* one less inode */
2448 rc = osd_declare_inode_qid(env, i_uid_read(inode), i_gid_read(inode),
2449 -1, oh, false, true, NULL, false);
2452 /* data to be truncated */
2453 rc = osd_declare_inode_qid(env, i_uid_read(inode), i_gid_read(inode),
2454 0, oh, true, true, NULL, false);
2458 static int osd_object_destroy(const struct lu_env *env,
2459 struct dt_object *dt,
2462 const struct lu_fid *fid = lu_object_fid(&dt->do_lu);
2463 struct osd_object *obj = osd_dt_obj(dt);
2464 struct inode *inode = obj->oo_inode;
2465 struct osd_device *osd = osd_obj2dev(obj);
2466 struct osd_thandle *oh;
2470 oh = container_of0(th, struct osd_thandle, ot_super);
2471 LASSERT(oh->ot_handle);
2473 LASSERT(!lu_object_is_dying(dt->do_lu.lo_header));
2475 if (unlikely(fid_is_acct(fid)))
2478 if (S_ISDIR(inode->i_mode)) {
2479 LASSERT(osd_inode_unlinked(inode) || inode->i_nlink == 1 ||
2480 inode->i_nlink == 2);
2481 /* it will check/delete the inode from remote parent,
2482 * how to optimize it? unlink performance impaction XXX */
2483 result = osd_delete_from_remote_parent(env, osd, obj, oh);
2484 if (result != 0 && result != -ENOENT) {
2485 CERROR("%s: delete inode "DFID": rc = %d\n",
2486 osd_name(osd), PFID(fid), result);
2488 spin_lock(&obj->oo_guard);
2490 spin_unlock(&obj->oo_guard);
2491 ll_dirty_inode(inode, I_DIRTY_DATASYNC);
2494 osd_trans_exec_op(env, th, OSD_OT_DESTROY);
2496 result = osd_oi_delete(osd_oti_get(env), osd, fid, oh->ot_handle,
2499 /* XXX: add to ext3 orphan list */
2500 /* rc = ext3_orphan_add(handle_t *handle, struct inode *inode) */
2502 /* not needed in the cache anymore */
2503 set_bit(LU_OBJECT_HEARD_BANSHEE, &dt->do_lu.lo_header->loh_flags);
2509 * Put the fid into lustre_mdt_attrs, and then place the structure
2510 * inode's ea. This fid should not be altered during the life time
2513 * \retval +ve, on success
2514 * \retval -ve, on error
2516 * FIXME: It is good to have/use ldiskfs_xattr_set_handle() here
2518 int osd_ea_fid_set(struct osd_thread_info *info, struct inode *inode,
2519 const struct lu_fid *fid, __u32 compat, __u32 incompat)
2521 struct lustre_mdt_attrs *lma = &info->oti_mdt_attrs;
2525 if (OBD_FAIL_CHECK(OBD_FAIL_FID_INLMA))
2528 lustre_lma_init(lma, fid, compat, incompat);
2529 lustre_lma_swab(lma);
2531 rc = __osd_xattr_set(info, inode, XATTR_NAME_LMA, lma, sizeof(*lma),
2533 /* LMA may already exist, but we need to check that all the
2534 * desired compat/incompat flags have been added. */
2535 if (unlikely(rc == -EEXIST)) {
2536 if (compat == 0 && incompat == 0)
2539 rc = __osd_xattr_get(inode, &info->oti_obj_dentry,
2540 XATTR_NAME_LMA, info->oti_mdt_attrs_old,
2545 lustre_lma_swab(lma);
2546 if (!(~lma->lma_compat & compat) &&
2547 !(~lma->lma_incompat & incompat))
2550 lma->lma_compat |= compat;
2551 lma->lma_incompat |= incompat;
2552 lustre_lma_swab(lma);
2553 rc = __osd_xattr_set(info, inode, XATTR_NAME_LMA, lma,
2554 sizeof(*lma), XATTR_REPLACE);
2561 * ldiskfs supports fid in dirent, it is passed in dentry->d_fsdata.
2562 * lustre 1.8 also uses d_fsdata for passing other info to ldiskfs.
2563 * To have compatilibility with 1.8 ldiskfs driver we need to have
2564 * magic number at start of fid data.
2565 * \ldiskfs_dentry_param is used only to pass fid from osd to ldiskfs.
2568 void osd_get_ldiskfs_dirent_param(struct ldiskfs_dentry_param *param,
2569 const struct dt_rec *fid)
2571 if (!fid_is_namespace_visible((const struct lu_fid *)fid) ||
2572 OBD_FAIL_CHECK(OBD_FAIL_FID_IGIF)) {
2573 param->edp_magic = 0;
2577 param->edp_magic = LDISKFS_LUFID_MAGIC;
2578 param->edp_len = sizeof(struct lu_fid) + 1;
2579 fid_cpu_to_be((struct lu_fid *)param->edp_data, (struct lu_fid *)fid);
2583 * Try to read the fid from inode ea into dt_rec.
2585 * \param fid object fid.
2587 * \retval 0 on success
2589 static int osd_ea_fid_get(const struct lu_env *env, struct osd_object *obj,
2590 __u32 ino, struct lu_fid *fid,
2591 struct osd_inode_id *id)
2593 struct osd_thread_info *info = osd_oti_get(env);
2594 struct inode *inode;
2597 osd_id_gen(id, ino, OSD_OII_NOGEN);
2598 inode = osd_iget_fid(info, osd_obj2dev(obj), id, fid);
2600 RETURN(PTR_ERR(inode));
2606 static int osd_add_dot_dotdot_internal(struct osd_thread_info *info,
2608 struct inode *parent_dir,
2609 const struct dt_rec *dot_fid,
2610 const struct dt_rec *dot_dot_fid,
2611 struct osd_thandle *oth)
2613 struct ldiskfs_dentry_param *dot_ldp;
2614 struct ldiskfs_dentry_param *dot_dot_ldp;
2616 dot_dot_ldp = (struct ldiskfs_dentry_param *)info->oti_ldp2;
2617 osd_get_ldiskfs_dirent_param(dot_dot_ldp, dot_dot_fid);
2619 dot_ldp = (struct ldiskfs_dentry_param *)info->oti_ldp;
2620 dot_ldp->edp_magic = 0;
2621 return ldiskfs_add_dot_dotdot(oth->ot_handle, parent_dir,
2622 dir, dot_ldp, dot_dot_ldp);
2626 * Create an local agent inode for remote entry
2628 static struct inode *osd_create_local_agent_inode(const struct lu_env *env,
2629 struct osd_device *osd,
2630 struct osd_object *pobj,
2631 const struct lu_fid *fid,
2634 struct osd_thread_info *info = osd_oti_get(env);
2635 struct inode *local;
2636 struct osd_thandle *oh;
2641 oh = container_of(th, struct osd_thandle, ot_super);
2642 LASSERT(oh->ot_handle->h_transaction != NULL);
2644 /* FIXME: Insert index api needs to know the mode of
2645 * the remote object. Just use S_IFDIR for now */
2646 local = ldiskfs_create_inode(oh->ot_handle, pobj->oo_inode, S_IFDIR);
2647 if (IS_ERR(local)) {
2648 CERROR("%s: create local error %d\n", osd_name(osd),
2649 (int)PTR_ERR(local));
2653 /* Set special LMA flag for local agent inode */
2654 rc = osd_ea_fid_set(info, local, fid, 0, LMAI_AGENT);
2656 CERROR("%s: set LMA for "DFID" remote inode failed: rc = %d\n",
2657 osd_name(osd), PFID(fid), rc);
2658 RETURN(ERR_PTR(rc));
2661 rc = osd_add_dot_dotdot_internal(info, local, pobj->oo_inode,
2662 (const struct dt_rec *)lu_object_fid(&pobj->oo_dt.do_lu),
2663 (const struct dt_rec *)fid, oh);
2665 CERROR("%s: "DFID" add dot dotdot error: rc = %d\n",
2666 osd_name(osd), PFID(fid), rc);
2667 RETURN(ERR_PTR(rc));
2674 * Delete local agent inode for remote entry
2676 static int osd_delete_local_agent_inode(const struct lu_env *env,
2677 struct osd_device *osd,
2678 const struct lu_fid *fid,
2679 __u32 ino, struct osd_thandle *oh)
2681 struct osd_thread_info *oti = osd_oti_get(env);
2682 struct osd_inode_id *id = &oti->oti_id;
2683 struct inode *inode;
2686 id->oii_ino = le32_to_cpu(ino);
2687 id->oii_gen = OSD_OII_NOGEN;
2688 inode = osd_iget(oti, osd, id);
2689 if (IS_ERR(inode)) {
2690 CERROR("%s: iget error "DFID" id %u:%u\n", osd_name(osd),
2691 PFID(fid), id->oii_ino, id->oii_gen);
2692 RETURN(PTR_ERR(inode));
2696 mark_inode_dirty(inode);
2697 CDEBUG(D_INODE, "%s: delete remote inode "DFID" %lu\n",
2698 osd_name(osd), PFID(fid), inode->i_ino);
2704 * OSD layer object create function for interoperability mode (b11826).
2705 * This is mostly similar to osd_object_create(). Only difference being, fid is
2706 * inserted into inode ea here.
2708 * \retval 0, on success
2709 * \retval -ve, on error
2711 static int osd_object_ea_create(const struct lu_env *env, struct dt_object *dt,
2712 struct lu_attr *attr,
2713 struct dt_allocation_hint *hint,
2714 struct dt_object_format *dof,
2717 const struct lu_fid *fid = lu_object_fid(&dt->do_lu);
2718 struct osd_object *obj = osd_dt_obj(dt);
2719 struct osd_thread_info *info = osd_oti_get(env);
2724 LASSERT(osd_invariant(obj));
2725 LASSERT(!dt_object_exists(dt) && !dt_object_remote(dt));
2726 LASSERT(osd_write_locked(env, obj));
2727 LASSERT(th != NULL);
2729 if (unlikely(fid_is_acct(fid)))
2730 /* Quota files can't be created from the kernel any more,
2731 * 'tune2fs -O quota' will take care of creating them */
2734 osd_trans_exec_op(env, th, OSD_OT_CREATE);
2735 osd_trans_declare_rb(env, th, OSD_OT_REF_ADD);
2737 result = __osd_object_create(info, obj, attr, hint, dof, th);
2739 result = osd_ea_fid_set(info, obj->oo_inode, fid,
2740 fid_is_on_ost(info, osd_obj2dev(obj),
2741 fid, OI_CHECK_FLD) ?
2742 LMAC_FID_ON_OST : 0, 0);
2745 result = __osd_oi_insert(env, obj, fid, th);
2747 LASSERT(ergo(result == 0,
2748 dt_object_exists(dt) && !dt_object_remote(dt)));
2749 LINVRNT(osd_invariant(obj));
2753 static int osd_declare_object_ref_add(const struct lu_env *env,
2754 struct dt_object *dt,
2755 struct thandle *handle)
2757 struct osd_thandle *oh;
2759 /* it's possible that object doesn't exist yet */
2760 LASSERT(handle != NULL);
2762 oh = container_of0(handle, struct osd_thandle, ot_super);
2763 LASSERT(oh->ot_handle == NULL);
2765 osd_trans_declare_op(env, oh, OSD_OT_REF_ADD,
2766 osd_dto_credits_noquota[DTO_ATTR_SET_BASE]);
2772 * Concurrency: @dt is write locked.
2774 static int osd_object_ref_add(const struct lu_env *env,
2775 struct dt_object *dt, struct thandle *th)
2777 struct osd_object *obj = osd_dt_obj(dt);
2778 struct inode *inode = obj->oo_inode;
2779 struct osd_thandle *oh;
2782 LINVRNT(osd_invariant(obj));
2783 LASSERT(dt_object_exists(dt) && !dt_object_remote(dt));
2784 LASSERT(osd_write_locked(env, obj));
2785 LASSERT(th != NULL);
2787 oh = container_of0(th, struct osd_thandle, ot_super);
2788 LASSERT(oh->ot_handle != NULL);
2790 osd_trans_exec_op(env, th, OSD_OT_REF_ADD);
2792 CDEBUG(D_INODE, DFID" increase nlink %d\n",
2793 PFID(lu_object_fid(&dt->do_lu)), inode->i_nlink);
2795 * The DIR_NLINK feature allows directories to exceed LDISKFS_LINK_MAX
2796 * (65000) subdirectories by storing "1" in i_nlink if the link count
2797 * would otherwise overflow. Directory tranversal tools understand
2798 * that (st_nlink == 1) indicates that the filesystem dose not track
2799 * hard links count on the directory, and will not abort subdirectory
2800 * scanning early once (st_nlink - 2) subdirs have been found.
2802 * This also has to properly handle the case of inodes with nlink == 0
2803 * in case they are being linked into the PENDING directory
2805 spin_lock(&obj->oo_guard);
2806 ldiskfs_inc_count(oh->ot_handle, inode);
2807 LASSERT(inode->i_nlink <= LDISKFS_LINK_MAX);
2808 spin_unlock(&obj->oo_guard);
2810 ll_dirty_inode(inode, I_DIRTY_DATASYNC);
2811 LINVRNT(osd_invariant(obj));
2816 static int osd_declare_object_ref_del(const struct lu_env *env,
2817 struct dt_object *dt,
2818 struct thandle *handle)
2820 struct osd_thandle *oh;
2822 LASSERT(dt_object_exists(dt) && !dt_object_remote(dt));
2823 LASSERT(handle != NULL);
2825 oh = container_of0(handle, struct osd_thandle, ot_super);
2826 LASSERT(oh->ot_handle == NULL);
2828 osd_trans_declare_op(env, oh, OSD_OT_REF_DEL,
2829 osd_dto_credits_noquota[DTO_ATTR_SET_BASE]);
2835 * Concurrency: @dt is write locked.
2837 static int osd_object_ref_del(const struct lu_env *env, struct dt_object *dt,
2840 struct osd_object *obj = osd_dt_obj(dt);
2841 struct inode *inode = obj->oo_inode;
2842 struct osd_device *osd = osd_dev(dt->do_lu.lo_dev);
2843 struct osd_thandle *oh;
2845 LINVRNT(osd_invariant(obj));
2846 LASSERT(dt_object_exists(dt) && !dt_object_remote(dt));
2847 LASSERT(osd_write_locked(env, obj));
2848 LASSERT(th != NULL);
2850 oh = container_of0(th, struct osd_thandle, ot_super);
2851 LASSERT(oh->ot_handle != NULL);
2853 osd_trans_exec_op(env, th, OSD_OT_REF_DEL);
2855 spin_lock(&obj->oo_guard);
2856 /* That can be result of upgrade from old Lustre version and
2857 * applied only to local files. Just skip this ref_del call.
2858 * ext4_unlink() only treats this as a warning, don't LASSERT here.*/
2859 if (inode->i_nlink == 0) {
2860 CDEBUG_LIMIT(fid_is_norm(lu_object_fid(&dt->do_lu)) ?
2861 D_ERROR : D_INODE, "%s: nlink == 0 on "DFID
2862 ", maybe an upgraded file? (LU-3915)\n",
2863 osd_name(osd), PFID(lu_object_fid(&dt->do_lu)));
2864 spin_unlock(&obj->oo_guard);
2868 CDEBUG(D_INODE, DFID" decrease nlink %d\n",
2869 PFID(lu_object_fid(&dt->do_lu)), inode->i_nlink);
2871 ldiskfs_dec_count(oh->ot_handle, inode);
2872 spin_unlock(&obj->oo_guard);
2874 ll_dirty_inode(inode, I_DIRTY_DATASYNC);
2875 LINVRNT(osd_invariant(obj));
2881 * Get the 64-bit version for an inode.
2883 static int osd_object_version_get(const struct lu_env *env,
2884 struct dt_object *dt, dt_obj_version_t *ver)
2886 struct inode *inode = osd_dt_obj(dt)->oo_inode;
2888 CDEBUG(D_INODE, "Get version "LPX64" for inode %lu\n",
2889 LDISKFS_I(inode)->i_fs_version, inode->i_ino);
2890 *ver = LDISKFS_I(inode)->i_fs_version;
2895 * Concurrency: @dt is read locked.
2897 static int osd_xattr_get(const struct lu_env *env, struct dt_object *dt,
2898 struct lu_buf *buf, const char *name,
2899 struct lustre_capa *capa)
2901 struct osd_object *obj = osd_dt_obj(dt);
2902 struct inode *inode = obj->oo_inode;
2903 struct osd_thread_info *info = osd_oti_get(env);
2904 struct dentry *dentry = &info->oti_obj_dentry;
2906 /* version get is not real XATTR but uses xattr API */
2907 if (strcmp(name, XATTR_NAME_VERSION) == 0) {
2908 /* for version we are just using xattr API but change inode
2910 LASSERT(buf->lb_len == sizeof(dt_obj_version_t));
2911 osd_object_version_get(env, dt, buf->lb_buf);
2912 return sizeof(dt_obj_version_t);
2915 LASSERT(dt_object_exists(dt) && !dt_object_remote(dt));
2916 LASSERT(inode->i_op != NULL && inode->i_op->getxattr != NULL);
2918 if (osd_object_auth(env, dt, capa, CAPA_OPC_META_READ))
2921 return __osd_xattr_get(inode, dentry, name, buf->lb_buf, buf->lb_len);
2925 static int osd_declare_xattr_set(const struct lu_env *env,
2926 struct dt_object *dt,
2927 const struct lu_buf *buf, const char *name,
2928 int fl, struct thandle *handle)
2930 struct osd_thandle *oh;
2933 LASSERT(handle != NULL);
2935 oh = container_of0(handle, struct osd_thandle, ot_super);
2936 LASSERT(oh->ot_handle == NULL);
2938 /* optimistic optimization: LMA is set first and usually fit inode */
2939 if (strcmp(name, XATTR_NAME_LMA) == 0) {
2940 if (dt_object_exists(dt))
2944 } else if (strcmp(name, XATTR_NAME_VERSION) == 0) {
2947 struct osd_device *osd = osd_dev(dt->do_lu.lo_dev);
2948 struct super_block *sb = osd_sb(osd);
2949 credits = osd_dto_credits_noquota[DTO_XATTR_SET];
2950 if (buf && buf->lb_len > sb->s_blocksize) {
2951 credits *= (buf->lb_len + sb->s_blocksize - 1) >>
2952 sb->s_blocksize_bits;
2956 osd_trans_declare_op(env, oh, OSD_OT_XATTR_SET, credits);
2962 * Set the 64-bit version for object
2964 static void osd_object_version_set(const struct lu_env *env,
2965 struct dt_object *dt,
2966 dt_obj_version_t *new_version)
2968 struct inode *inode = osd_dt_obj(dt)->oo_inode;
2970 CDEBUG(D_INODE, "Set version "LPX64" (old "LPX64") for inode %lu\n",
2971 *new_version, LDISKFS_I(inode)->i_fs_version, inode->i_ino);
2973 LDISKFS_I(inode)->i_fs_version = *new_version;
2974 /** Version is set after all inode operations are finished,
2975 * so we should mark it dirty here */
2976 ll_dirty_inode(inode, I_DIRTY_DATASYNC);
2980 * Concurrency: @dt is write locked.
2982 static int osd_xattr_set(const struct lu_env *env, struct dt_object *dt,
2983 const struct lu_buf *buf, const char *name, int fl,
2984 struct thandle *handle, struct lustre_capa *capa)
2986 struct osd_object *obj = osd_dt_obj(dt);
2987 struct inode *inode = obj->oo_inode;
2988 struct osd_thread_info *info = osd_oti_get(env);
2992 LASSERT(handle != NULL);
2994 /* version set is not real XATTR */
2995 if (strcmp(name, XATTR_NAME_VERSION) == 0) {
2996 /* for version we are just using xattr API but change inode
2998 LASSERT(buf->lb_len == sizeof(dt_obj_version_t));
2999 osd_object_version_set(env, dt, buf->lb_buf);
3000 return sizeof(dt_obj_version_t);
3003 if (osd_object_auth(env, dt, capa, CAPA_OPC_META_WRITE))
3006 CDEBUG(D_INODE, DFID" set xattr '%s' with size %zd\n",
3007 PFID(lu_object_fid(&dt->do_lu)), name, buf->lb_len);
3009 osd_trans_exec_op(env, handle, OSD_OT_XATTR_SET);
3010 if (fl & LU_XATTR_REPLACE)
3011 fs_flags |= XATTR_REPLACE;
3013 if (fl & LU_XATTR_CREATE)
3014 fs_flags |= XATTR_CREATE;
3016 if (strcmp(name, XATTR_NAME_LMV) == 0) {
3017 struct lustre_mdt_attrs *lma = &info->oti_mdt_attrs;
3020 rc = osd_get_lma(info, inode, &info->oti_obj_dentry, lma);
3024 lma->lma_incompat |= LMAI_STRIPED;
3025 lustre_lma_swab(lma);
3026 rc = __osd_xattr_set(info, inode, XATTR_NAME_LMA, lma,
3027 sizeof(*lma), XATTR_REPLACE);
3032 return __osd_xattr_set(info, inode, name, buf->lb_buf, buf->lb_len,
3037 * Concurrency: @dt is read locked.
3039 static int osd_xattr_list(const struct lu_env *env, struct dt_object *dt,
3040 struct lu_buf *buf, struct lustre_capa *capa)
3042 struct osd_object *obj = osd_dt_obj(dt);
3043 struct inode *inode = obj->oo_inode;
3044 struct osd_thread_info *info = osd_oti_get(env);
3045 struct dentry *dentry = &info->oti_obj_dentry;
3047 LASSERT(dt_object_exists(dt) && !dt_object_remote(dt));
3048 LASSERT(inode->i_op != NULL && inode->i_op->listxattr != NULL);
3050 if (osd_object_auth(env, dt, capa, CAPA_OPC_META_READ))
3053 dentry->d_inode = inode;
3054 dentry->d_sb = inode->i_sb;
3055 return inode->i_op->listxattr(dentry, buf->lb_buf, buf->lb_len);
3058 static int osd_declare_xattr_del(const struct lu_env *env,
3059 struct dt_object *dt, const char *name,
3060 struct thandle *handle)
3062 struct osd_thandle *oh;
3064 LASSERT(dt_object_exists(dt) && !dt_object_remote(dt));
3065 LASSERT(handle != NULL);
3067 oh = container_of0(handle, struct osd_thandle, ot_super);
3068 LASSERT(oh->ot_handle == NULL);
3070 osd_trans_declare_op(env, oh, OSD_OT_XATTR_SET,
3071 osd_dto_credits_noquota[DTO_XATTR_SET]);
3077 * Concurrency: @dt is write locked.
3079 static int osd_xattr_del(const struct lu_env *env, struct dt_object *dt,
3080 const char *name, struct thandle *handle,
3081 struct lustre_capa *capa)
3083 struct osd_object *obj = osd_dt_obj(dt);
3084 struct inode *inode = obj->oo_inode;
3085 struct osd_thread_info *info = osd_oti_get(env);
3086 struct dentry *dentry = &info->oti_obj_dentry;
3089 LASSERT(dt_object_exists(dt) && !dt_object_remote(dt));
3090 LASSERT(inode->i_op != NULL && inode->i_op->removexattr != NULL);
3091 LASSERT(handle != NULL);
3093 if (osd_object_auth(env, dt, capa, CAPA_OPC_META_WRITE))
3096 osd_trans_exec_op(env, handle, OSD_OT_XATTR_SET);
3098 ll_vfs_dq_init(inode);
3099 dentry->d_inode = inode;
3100 dentry->d_sb = inode->i_sb;
3101 rc = inode->i_op->removexattr(dentry, name);
3105 static struct obd_capa *osd_capa_get(const struct lu_env *env,
3106 struct dt_object *dt,
3107 struct lustre_capa *old, __u64 opc)
3109 struct osd_thread_info *info = osd_oti_get(env);
3110 const struct lu_fid *fid = lu_object_fid(&dt->do_lu);
3111 struct osd_object *obj = osd_dt_obj(dt);
3112 struct osd_device *osd = osd_obj2dev(obj);
3113 struct lustre_capa_key *key = &info->oti_capa_key;
3114 struct lustre_capa *capa = &info->oti_capa;
3115 struct obd_capa *oc;
3116 struct lu_capainfo *lci;
3120 if (!osd->od_fl_capa)
3121 RETURN(ERR_PTR(-ENOENT));
3123 LASSERT(dt_object_exists(dt) && !dt_object_remote(dt));
3124 LINVRNT(osd_invariant(obj));
3126 /* renewal sanity check */
3127 if (old && osd_object_auth(env, dt, old, opc))
3128 RETURN(ERR_PTR(-EACCES));
3130 lci = lu_capainfo_get(env);
3131 if (unlikely(lci == NULL))
3132 RETURN(ERR_PTR(-ENOENT));
3134 switch (lci->lci_auth) {
3138 capa->lc_uid = i_uid_read(obj->oo_inode);
3139 capa->lc_gid = i_gid_read(obj->oo_inode);
3140 capa->lc_flags = LC_ID_PLAIN;
3142 case LC_ID_CONVERT: {
3145 s[0] = i_uid_read(obj->oo_inode);
3146 cfs_get_random_bytes(&(s[1]), sizeof(__u32));
3147 s[2] = i_uid_read(obj->oo_inode);
3148 cfs_get_random_bytes(&(s[3]), sizeof(__u32));
3149 rc = capa_encrypt_id(d, s, key->lk_key, CAPA_HMAC_KEY_MAX_LEN);
3151 RETURN(ERR_PTR(rc));
3153 capa->lc_uid = ((__u64)d[1] << 32) | d[0];
3154 capa->lc_gid = ((__u64)d[3] << 32) | d[2];
3155 capa->lc_flags = LC_ID_CONVERT;
3159 RETURN(ERR_PTR(-EINVAL));
3162 capa->lc_fid = *fid;
3164 capa->lc_flags |= osd->od_capa_alg << 24;
3165 capa->lc_timeout = osd->od_capa_timeout;
3166 capa->lc_expiry = 0;
3168 oc = capa_lookup(osd->od_capa_hash, capa, 1);
3170 LASSERT(!capa_is_expired(oc));
3174 spin_lock(&capa_lock);
3175 *key = osd->od_capa_keys[1];