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>
76 CFS_MODULE_PARM(ldiskfs_pdo, "i", int, 0644,
77 "ldiskfs with parallel directory operations");
79 int ldiskfs_track_declares_assert;
80 CFS_MODULE_PARM(ldiskfs_track_declares_assert, "i", int, 0644,
81 "LBUG during tracking of declares");
83 /* Slab to allocate dynlocks */
84 struct kmem_cache *dynlock_cachep;
86 static struct lu_kmem_descr ldiskfs_caches[] = {
88 .ckd_cache = &dynlock_cachep,
89 .ckd_name = "dynlock_cache",
90 .ckd_size = sizeof(struct dynlock_handle)
97 static const char dot[] = ".";
98 static const char dotdot[] = "..";
99 static const char remote_obj_dir[] = "REM_OBJ_DIR";
101 static const struct lu_object_operations osd_lu_obj_ops;
102 static const struct dt_object_operations osd_obj_ops;
103 static const struct dt_object_operations osd_obj_ea_ops;
104 static const struct dt_object_operations osd_obj_otable_it_ops;
105 static const struct dt_index_operations osd_index_iam_ops;
106 static const struct dt_index_operations osd_index_ea_ops;
108 int osd_trans_declare_op2rb[] = {
109 [OSD_OT_ATTR_SET] = OSD_OT_ATTR_SET,
110 [OSD_OT_PUNCH] = OSD_OT_MAX,
111 [OSD_OT_XATTR_SET] = OSD_OT_XATTR_SET,
112 [OSD_OT_CREATE] = OSD_OT_DESTROY,
113 [OSD_OT_DESTROY] = OSD_OT_CREATE,
114 [OSD_OT_REF_ADD] = OSD_OT_REF_DEL,
115 [OSD_OT_REF_DEL] = OSD_OT_REF_ADD,
116 [OSD_OT_WRITE] = OSD_OT_WRITE,
117 [OSD_OT_INSERT] = OSD_OT_DELETE,
118 [OSD_OT_DELETE] = OSD_OT_INSERT,
119 [OSD_OT_UPDATE] = OSD_OT_MAX,
120 [OSD_OT_QUOTA] = OSD_OT_MAX,
123 static int osd_has_index(const struct osd_object *obj)
125 return obj->oo_dt.do_index_ops != NULL;
128 static int osd_object_invariant(const struct lu_object *l)
130 return osd_invariant(osd_obj(l));
134 * Concurrency: doesn't matter
136 static int osd_read_locked(const struct lu_env *env, struct osd_object *o)
138 return osd_oti_get(env)->oti_r_locks > 0;
142 * Concurrency: doesn't matter
144 static int osd_write_locked(const struct lu_env *env, struct osd_object *o)
146 struct osd_thread_info *oti = osd_oti_get(env);
147 return oti->oti_w_locks > 0 && o->oo_owner == env;
151 * Concurrency: doesn't access mutable data
153 static int osd_root_get(const struct lu_env *env,
154 struct dt_device *dev, struct lu_fid *f)
156 lu_local_obj_fid(f, OSD_FS_ROOT_OID);
161 * OSD object methods.
165 * Concurrency: no concurrent access is possible that early in object
168 static struct lu_object *osd_object_alloc(const struct lu_env *env,
169 const struct lu_object_header *hdr,
172 struct osd_object *mo;
178 l = &mo->oo_dt.do_lu;
179 dt_object_init(&mo->oo_dt, NULL, d);
180 mo->oo_dt.do_ops = &osd_obj_ea_ops;
181 l->lo_ops = &osd_lu_obj_ops;
182 init_rwsem(&mo->oo_sem);
183 init_rwsem(&mo->oo_ext_idx_sem);
184 spin_lock_init(&mo->oo_guard);
191 int osd_get_lma(struct osd_thread_info *info, struct inode *inode,
192 struct dentry *dentry, struct lustre_mdt_attrs *lma)
196 CLASSERT(LMA_OLD_SIZE >= sizeof(*lma));
197 rc = __osd_xattr_get(inode, dentry, XATTR_NAME_LMA,
198 info->oti_mdt_attrs_old, LMA_OLD_SIZE);
200 if ((void *)lma != (void *)info->oti_mdt_attrs_old)
201 memcpy(lma, info->oti_mdt_attrs_old, sizeof(*lma));
203 lustre_lma_swab(lma);
204 /* Check LMA compatibility */
205 if (lma->lma_incompat & ~LMA_INCOMPAT_SUPP) {
206 CWARN("%.16s: unsupported incompat LMA feature(s) %#x "
207 "for fid = "DFID", ino = %lu\n",
208 LDISKFS_SB(inode->i_sb)->s_es->s_volume_name,
209 lma->lma_incompat & ~LMA_INCOMPAT_SUPP,
210 PFID(&lma->lma_self_fid), inode->i_ino);
213 } else if (rc == 0) {
221 * retrieve object from backend ext fs.
223 struct inode *osd_iget(struct osd_thread_info *info, struct osd_device *dev,
224 struct osd_inode_id *id)
226 struct inode *inode = NULL;
228 inode = ldiskfs_iget(osd_sb(dev), id->oii_ino);
230 CDEBUG(D_INODE, "no inode: ino = %u, rc = %ld\n",
231 id->oii_ino, PTR_ERR(inode));
232 } else if (id->oii_gen != OSD_OII_NOGEN &&
233 inode->i_generation != id->oii_gen) {
234 CDEBUG(D_INODE, "unmatched inode: ino = %u, oii_gen = %u, "
235 "i_generation = %u\n",
236 id->oii_ino, id->oii_gen, inode->i_generation);
238 inode = ERR_PTR(-ESTALE);
239 } else if (inode->i_nlink == 0) {
240 /* due to parallel readdir and unlink,
241 * we can have dead inode here. */
242 CDEBUG(D_INODE, "stale inode: ino = %u\n", id->oii_ino);
244 inode = ERR_PTR(-ESTALE);
245 } else if (is_bad_inode(inode)) {
246 CWARN("%.16s: bad inode: ino = %u\n",
247 LDISKFS_SB(osd_sb(dev))->s_es->s_volume_name, id->oii_ino);
249 inode = ERR_PTR(-ENOENT);
251 if (id->oii_gen == OSD_OII_NOGEN)
252 osd_id_gen(id, inode->i_ino, inode->i_generation);
254 /* Do not update file c/mtime in ldiskfs.
255 * NB: we don't have any lock to protect this because we don't
256 * have reference on osd_object now, but contention with
257 * another lookup + attr_set can't happen in the tiny window
258 * between if (...) and set S_NOCMTIME. */
259 if (!(inode->i_flags & S_NOCMTIME))
260 inode->i_flags |= S_NOCMTIME;
265 static struct inode *
266 osd_iget_fid(struct osd_thread_info *info, struct osd_device *dev,
267 struct osd_inode_id *id, struct lu_fid *fid)
269 struct lustre_mdt_attrs *lma = &info->oti_mdt_attrs;
273 inode = osd_iget(info, dev, id);
277 rc = osd_get_lma(info, inode, &info->oti_obj_dentry, lma);
279 *fid = lma->lma_self_fid;
280 } else if (rc == -ENODATA) {
281 if (unlikely(inode == osd_sb(dev)->s_root->d_inode))
282 lu_local_obj_fid(fid, OSD_FS_ROOT_OID);
284 lu_igif_build(fid, inode->i_ino, inode->i_generation);
292 static struct inode *osd_iget_check(struct osd_thread_info *info,
293 struct osd_device *dev,
294 const struct lu_fid *fid,
295 struct osd_inode_id *id,
302 inode = ldiskfs_iget(osd_sb(dev), id->oii_ino);
305 if (!in_oi || (rc != -ENOENT && rc != -ESTALE)) {
306 CDEBUG(D_INODE, "no inode: ino = %u, rc = %d\n",
315 if (is_bad_inode(inode)) {
318 CDEBUG(D_INODE, "bad inode: ino = %u\n", id->oii_ino);
326 if (id->oii_gen != OSD_OII_NOGEN &&
327 inode->i_generation != id->oii_gen) {
330 CDEBUG(D_INODE, "unmatched inode: ino = %u, "
331 "oii_gen = %u, i_generation = %u\n",
332 id->oii_ino, id->oii_gen, inode->i_generation);
340 if (inode->i_nlink == 0) {
343 CDEBUG(D_INODE, "stale inode: ino = %u\n", id->oii_ino);
353 LASSERTF(rc == -ESTALE || rc == -ENOENT, "rc = %d\n", rc);
355 rc = osd_oi_lookup(info, dev, fid, id, OI_CHECK_FLD);
356 /* XXX: There are some possible cases:
358 * Backup/restore caused the OI invalid.
360 * Someone unlinked the object but NOT removed
361 * the OI mapping, such as mount target device
362 * as ldiskfs, and modify something directly.
364 * Someone just removed the object between the
365 * former oi_lookup and the iget. It is normal.
366 * 4. Other failure cases.
368 * Generally, when the device is mounted, it will
369 * auto check whether the system is restored from
370 * file-level backup or not. We trust such detect
371 * to distinguish the 1st case from the 2nd case. */
373 if (!IS_ERR(inode) && inode->i_generation != 0 &&
374 inode->i_generation == id->oii_gen)
380 if (id->oii_gen == OSD_OII_NOGEN)
381 osd_id_gen(id, inode->i_ino, inode->i_generation);
383 /* Do not update file c/mtime in ldiskfs.
384 * NB: we don't have any lock to protect this because we don't
385 * have reference on osd_object now, but contention with
386 * another lookup + attr_set can't happen in the tiny window
387 * between if (...) and set S_NOCMTIME. */
388 if (!(inode->i_flags & S_NOCMTIME))
389 inode->i_flags |= S_NOCMTIME;
406 * \retval +v: new filter_fid, does not contain self-fid
407 * \retval 0: filter_fid_old, contains self-fid
408 * \retval -v: other failure cases
410 int osd_get_idif(struct osd_thread_info *info, struct inode *inode,
411 struct dentry *dentry, struct lu_fid *fid)
413 struct filter_fid_old *ff = &info->oti_ff;
414 struct ost_id *ostid = &info->oti_ostid;
417 rc = __osd_xattr_get(inode, dentry, XATTR_NAME_FID, ff, sizeof(*ff));
418 if (rc == sizeof(*ff)) {
420 ostid_set_seq(ostid, le64_to_cpu(ff->ff_seq));
421 ostid_set_id(ostid, le64_to_cpu(ff->ff_objid));
422 /* XXX: should use real OST index in the future. LU-3569 */
423 ostid_to_fid(fid, ostid, 0);
424 } else if (rc == sizeof(struct filter_fid)) {
426 } else if (rc >= 0) {
433 static int osd_lma_self_repair(struct osd_thread_info *info,
434 struct osd_device *osd, struct inode *inode,
435 const struct lu_fid *fid, __u32 compat)
440 LASSERT(current->journal_info == NULL);
442 jh = osd_journal_start_sb(osd_sb(osd), LDISKFS_HT_MISC,
443 osd_dto_credits_noquota[DTO_XATTR_SET]);
446 CWARN("%s: cannot start journal for lma_self_repair: rc = %d\n",
451 rc = osd_ea_fid_set(info, inode, fid, compat, 0);
453 CWARN("%s: cannot self repair the LMA: rc = %d\n",
455 ldiskfs_journal_stop(jh);
459 static int osd_check_lma(const struct lu_env *env, struct osd_object *obj)
461 struct osd_thread_info *info = osd_oti_get(env);
462 struct osd_device *osd = osd_obj2dev(obj);
463 struct lustre_mdt_attrs *lma = &info->oti_mdt_attrs;
464 struct inode *inode = obj->oo_inode;
465 struct dentry *dentry = &info->oti_obj_dentry;
466 struct lu_fid *fid = NULL;
467 const struct lu_fid *rfid = lu_object_fid(&obj->oo_dt.do_lu);
471 if (OBD_FAIL_CHECK(OBD_FAIL_OSD_COMPAT_INVALID_ENTRY))
474 CLASSERT(LMA_OLD_SIZE >= sizeof(*lma));
475 rc = __osd_xattr_get(inode, dentry, XATTR_NAME_LMA,
476 info->oti_mdt_attrs_old, LMA_OLD_SIZE);
477 if (rc == -ENODATA && !fid_is_igif(rfid) && osd->od_check_ff) {
478 fid = &lma->lma_self_fid;
479 rc = osd_get_idif(info, inode, dentry, fid);
480 if ((rc > 0) || (rc == -ENODATA && osd->od_lma_self_repair)) {
481 /* For the given OST-object, if it has neither LMA nor
482 * FID in XATTR_NAME_FID, then the given FID (which is
483 * contained in the @obj, from client RPC for locating
484 * the OST-object) is trusted. We use it to generate
486 osd_lma_self_repair(info, osd, inode, rfid,
487 fid_is_on_ost(info, osd, fid, OI_CHECK_FLD) ?
488 LMAC_FID_ON_OST : 0);
493 if (unlikely(rc == -ENODATA))
501 lustre_lma_swab(lma);
502 if (unlikely((lma->lma_incompat & ~LMA_INCOMPAT_SUPP) ||
503 CFS_FAIL_CHECK(OBD_FAIL_OSD_LMA_INCOMPAT))) {
504 CWARN("%s: unsupported incompat LMA feature(s) %#x for "
505 "fid = "DFID", ino = %lu\n", osd_name(osd),
506 lma->lma_incompat & ~LMA_INCOMPAT_SUPP,
507 PFID(rfid), inode->i_ino);
509 } else if (!(lma->lma_compat & LMAC_NOT_IN_OI)) {
510 fid = &lma->lma_self_fid;
514 if (fid != NULL && unlikely(!lu_fid_eq(rfid, fid))) {
515 if (fid_is_idif(rfid) && fid_is_idif(fid)) {
516 struct ost_id *oi = &info->oti_ostid;
517 struct lu_fid *fid1 = &info->oti_fid3;
518 __u32 idx = fid_idif_ost_idx(rfid);
520 /* For old IDIF, the OST index is not part of the IDIF,
521 * Means that different OSTs may have the same IDIFs.
522 * Under such case, we need to make some compatible
523 * check to make sure to trigger OI scrub properly. */
524 if (idx != 0 && fid_idif_ost_idx(fid) == 0) {
525 /* Given @rfid is new, LMA is old. */
526 fid_to_ostid(fid, oi);
527 ostid_to_fid(fid1, oi, idx);
528 if (lu_fid_eq(fid1, rfid)) {
529 if (osd->od_lma_self_repair)
530 osd_lma_self_repair(info, osd,
538 CDEBUG(D_INODE, "%s: FID "DFID" != self_fid "DFID"\n",
539 osd_name(osd), PFID(rfid), PFID(fid));
546 static int osd_fid_lookup(const struct lu_env *env, struct osd_object *obj,
547 const struct lu_fid *fid,
548 const struct lu_object_conf *conf)
550 struct osd_thread_info *info;
551 struct lu_device *ldev = obj->oo_dt.do_lu.lo_dev;
552 struct osd_device *dev;
553 struct osd_idmap_cache *oic;
554 struct osd_inode_id *id;
556 struct osd_scrub *scrub;
557 struct scrub_file *sf;
561 bool triggered = false;
564 LINVRNT(osd_invariant(obj));
565 LASSERT(obj->oo_inode == NULL);
566 LASSERTF(fid_is_sane(fid) || fid_is_idif(fid), DFID, PFID(fid));
569 scrub = &dev->od_scrub;
570 sf = &scrub->os_file;
571 info = osd_oti_get(env);
573 oic = &info->oti_cache;
575 if (OBD_FAIL_CHECK(OBD_FAIL_OST_ENOENT))
578 /* For the object is created as locking anchor, or for the object to
579 * be created on disk. No need to osd_oi_lookup() at here because FID
580 * shouldn't never be re-used, if it's really a duplicate FID from
581 * unexpected reason, we should be able to detect it later by calling
582 * do_create->osd_oi_insert(). */
583 if (conf != NULL && conf->loc_flags & LOC_F_NEW)
584 GOTO(out, result = 0);
586 /* Search order: 1. per-thread cache. */
587 if (lu_fid_eq(fid, &oic->oic_fid) &&
588 likely(oic->oic_dev == dev)) {
594 if (!cfs_list_empty(&scrub->os_inconsistent_items)) {
595 /* Search order: 2. OI scrub pending list. */
596 result = osd_oii_lookup(dev, fid, id);
601 /* Search order: 3. OI files. */
602 result = osd_oi_lookup(info, dev, fid, id, OI_CHECK_FLD);
603 if (result == -ENOENT) {
604 if (!fid_is_norm(fid) ||
605 fid_is_on_ost(info, dev, fid, OI_CHECK_FLD) ||
606 !ldiskfs_test_bit(osd_oi_fid2idx(dev,fid),
608 GOTO(out, result = 0);
619 inode = osd_iget_check(info, dev, fid, id, in_oi);
621 result = PTR_ERR(inode);
622 if (result == -ENOENT || result == -ESTALE) {
624 fid_zero(&oic->oic_fid);
626 GOTO(out, result = -ENOENT);
627 } else if (result == -EREMCHG) {
631 fid_zero(&oic->oic_fid);
633 if (unlikely(triggered))
634 GOTO(out, result = saved);
637 if (thread_is_running(&scrub->os_thread)) {
638 result = -EINPROGRESS;
639 } else if (!dev->od_noscrub) {
640 result = osd_scrub_start(dev);
641 LCONSOLE_WARN("%.16s: trigger OI scrub by RPC "
642 "for "DFID", rc = %d [1]\n",
643 osd_name(dev), PFID(fid),result);
644 if (result == 0 || result == -EALREADY)
645 result = -EINPROGRESS;
650 /* We still have chance to get the valid inode: for the
651 * object which is referenced by remote name entry, the
652 * object on the local MDT will be linked under the dir
653 * of "/REMOTE_PARENT_DIR" with its FID string as name.
655 * We do not know whether the object for the given FID
656 * is referenced by some remote name entry or not, and
657 * especially for DNE II, a multiple-linked object may
658 * have many name entries reside on many MDTs.
660 * To simplify the operation, OSD will not distinguish
661 * more, just lookup "/REMOTE_PARENT_DIR". Usually, it
662 * only happened for the RPC from other MDT during the
663 * OI scrub, or for the client side RPC with FID only,
664 * such as FID to path, or from old connected client. */
666 result = osd_lookup_in_remote_parent(info, dev,
679 obj->oo_inode = inode;
680 LASSERT(obj->oo_inode->i_sb == osd_sb(dev));
682 result = osd_check_lma(env, obj);
685 obj->oo_inode = NULL;
686 if (result == -EREMCHG) {
688 result = osd_oi_lookup(info, dev, fid, id,
691 fid_zero(&oic->oic_fid);
702 obj->oo_compat_dot_created = 1;
703 obj->oo_compat_dotdot_created = 1;
705 if (!S_ISDIR(inode->i_mode) || !ldiskfs_pdo) /* done */
706 GOTO(out, result = 0);
708 LASSERT(obj->oo_hl_head == NULL);
709 obj->oo_hl_head = ldiskfs_htree_lock_head_alloc(HTREE_HBITS_DEF);
710 if (obj->oo_hl_head == NULL) {
711 obj->oo_inode = NULL;
713 GOTO(out, result = -ENOMEM);
715 GOTO(out, result = 0);
718 LINVRNT(osd_invariant(obj));
723 * Concurrency: shouldn't matter.
725 static void osd_object_init0(struct osd_object *obj)
727 LASSERT(obj->oo_inode != NULL);
728 obj->oo_dt.do_body_ops = &osd_body_ops;
729 obj->oo_dt.do_lu.lo_header->loh_attr |=
730 (LOHA_EXISTS | (obj->oo_inode->i_mode & S_IFMT));
734 * Concurrency: no concurrent access is possible that early in object
737 static int osd_object_init(const struct lu_env *env, struct lu_object *l,
738 const struct lu_object_conf *conf)
740 struct osd_object *obj = osd_obj(l);
743 LINVRNT(osd_invariant(obj));
745 if (fid_is_otable_it(&l->lo_header->loh_fid)) {
746 obj->oo_dt.do_ops = &osd_obj_otable_it_ops;
747 l->lo_header->loh_attr |= LOHA_EXISTS;
751 result = osd_fid_lookup(env, obj, lu_object_fid(l), conf);
752 obj->oo_dt.do_body_ops = &osd_body_ops_new;
753 if (result == 0 && obj->oo_inode != NULL)
754 osd_object_init0(obj);
756 LINVRNT(osd_invariant(obj));
761 * Concurrency: no concurrent access is possible that late in object
764 static void osd_object_free(const struct lu_env *env, struct lu_object *l)
766 struct osd_object *obj = osd_obj(l);
768 LINVRNT(osd_invariant(obj));
770 dt_object_fini(&obj->oo_dt);
771 if (obj->oo_hl_head != NULL)
772 ldiskfs_htree_lock_head_free(obj->oo_hl_head);
777 * Concurrency: no concurrent access is possible that late in object
780 static void osd_index_fini(struct osd_object *o)
782 struct iam_container *bag;
784 if (o->oo_dir != NULL) {
785 bag = &o->oo_dir->od_container;
786 if (o->oo_inode != NULL) {
787 if (bag->ic_object == o->oo_inode)
788 iam_container_fini(bag);
790 OBD_FREE_PTR(o->oo_dir);
796 * Concurrency: no concurrent access is possible that late in object
797 * life-cycle (for all existing callers, that is. New callers have to provide
798 * their own locking.)
800 static int osd_inode_unlinked(const struct inode *inode)
802 return inode->i_nlink == 0;
806 OSD_TXN_OI_DELETE_CREDITS = 20,
807 OSD_TXN_INODE_DELETE_CREDITS = 20
814 #if OSD_THANDLE_STATS
816 * Set time when the handle is allocated
818 static void osd_th_alloced(struct osd_thandle *oth)
820 oth->oth_alloced = cfs_time_current();
824 * Set time when the handle started
826 static void osd_th_started(struct osd_thandle *oth)
828 oth->oth_started = cfs_time_current();
832 * Helper function to convert time interval to microseconds packed in
835 static long interval_to_usec(cfs_time_t start, cfs_time_t end)
839 cfs_duration_usec(cfs_time_sub(end, start), &val);
840 return val.tv_sec * 1000000 + val.tv_usec;
844 * Check whether the we deal with this handle for too long.
846 static void __osd_th_check_slow(void *oth, struct osd_device *dev,
847 cfs_time_t alloced, cfs_time_t started,
850 cfs_time_t now = cfs_time_current();
852 LASSERT(dev != NULL);
854 lprocfs_counter_add(dev->od_stats, LPROC_OSD_THANDLE_STARTING,
855 interval_to_usec(alloced, started));
856 lprocfs_counter_add(dev->od_stats, LPROC_OSD_THANDLE_OPEN,
857 interval_to_usec(started, closed));
858 lprocfs_counter_add(dev->od_stats, LPROC_OSD_THANDLE_CLOSING,
859 interval_to_usec(closed, now));
861 if (cfs_time_before(cfs_time_add(alloced, cfs_time_seconds(30)), now)) {
862 CWARN("transaction handle %p was open for too long: "
864 "alloced "CFS_TIME_T" ,"
865 "started "CFS_TIME_T" ,"
866 "closed "CFS_TIME_T"\n",
867 oth, now, alloced, started, closed);
868 libcfs_debug_dumpstack(NULL);
872 #define OSD_CHECK_SLOW_TH(oth, dev, expr) \
874 cfs_time_t __closed = cfs_time_current(); \
875 cfs_time_t __alloced = oth->oth_alloced; \
876 cfs_time_t __started = oth->oth_started; \
879 __osd_th_check_slow(oth, dev, __alloced, __started, __closed); \
882 #else /* OSD_THANDLE_STATS */
884 #define osd_th_alloced(h) do {} while(0)
885 #define osd_th_started(h) do {} while(0)
886 #define OSD_CHECK_SLOW_TH(oth, dev, expr) expr
888 #endif /* OSD_THANDLE_STATS */
891 * Concurrency: doesn't access mutable data.
893 static int osd_param_is_not_sane(const struct osd_device *dev,
894 const struct thandle *th)
896 struct osd_thandle *oh = container_of(th, typeof(*oh), ot_super);
898 return oh->ot_credits > osd_journal(dev)->j_max_transaction_buffers;
902 * Concurrency: shouldn't matter.
904 static void osd_trans_commit_cb(struct super_block *sb,
905 struct ldiskfs_journal_cb_entry *jcb, int error)
907 struct osd_thandle *oh = container_of0(jcb, struct osd_thandle, ot_jcb);
908 struct thandle *th = &oh->ot_super;
909 struct lu_device *lud = &th->th_dev->dd_lu_dev;
910 struct dt_txn_commit_cb *dcb, *tmp;
912 LASSERT(oh->ot_handle == NULL);
915 CERROR("transaction @0x%p commit error: %d\n", th, error);
917 dt_txn_hook_commit(th);
919 /* call per-transaction callbacks if any */
920 cfs_list_for_each_entry_safe(dcb, tmp, &oh->ot_dcb_list, dcb_linkage) {
921 LASSERTF(dcb->dcb_magic == TRANS_COMMIT_CB_MAGIC,
922 "commit callback entry: magic=%x name='%s'\n",
923 dcb->dcb_magic, dcb->dcb_name);
924 cfs_list_del_init(&dcb->dcb_linkage);
925 dcb->dcb_func(NULL, th, dcb, error);
928 lu_ref_del_at(&lud->ld_reference, &oh->ot_dev_link, "osd-tx", th);
932 lu_context_exit(&th->th_ctx);
933 lu_context_fini(&th->th_ctx);
937 static struct thandle *osd_trans_create(const struct lu_env *env,
940 struct osd_thread_info *oti = osd_oti_get(env);
941 struct osd_iobuf *iobuf = &oti->oti_iobuf;
942 struct osd_thandle *oh;
946 /* on pending IO in this thread should left from prev. request */
947 LASSERT(atomic_read(&iobuf->dr_numreqs) == 0);
949 th = ERR_PTR(-ENOMEM);
950 OBD_ALLOC_GFP(oh, sizeof *oh, __GFP_IO);
952 oh->ot_quota_trans = &oti->oti_quota_trans;
953 memset(oh->ot_quota_trans, 0, sizeof(*oh->ot_quota_trans));
957 th->th_tags = LCT_TX_HANDLE;
959 atomic_set(&th->th_refc, 1);
960 th->th_alloc_size = sizeof(*oh);
961 oti->oti_dev = osd_dt_dev(d);
962 CFS_INIT_LIST_HEAD(&oh->ot_dcb_list);
965 memset(oti->oti_declare_ops, 0,
966 sizeof(oti->oti_declare_ops));
967 memset(oti->oti_declare_ops_rb, 0,
968 sizeof(oti->oti_declare_ops_rb));
969 memset(oti->oti_declare_ops_cred, 0,
970 sizeof(oti->oti_declare_ops_cred));
971 oti->oti_rollback = false;
977 * Concurrency: shouldn't matter.
979 int osd_trans_start(const struct lu_env *env, struct dt_device *d,
982 struct osd_thread_info *oti = osd_oti_get(env);
983 struct osd_device *dev = osd_dt_dev(d);
985 struct osd_thandle *oh;
990 LASSERT(current->journal_info == NULL);
992 oh = container_of0(th, struct osd_thandle, ot_super);
994 LASSERT(oh->ot_handle == NULL);
996 rc = dt_txn_hook_start(env, d, th);
1000 if (unlikely(osd_param_is_not_sane(dev, th))) {
1001 static unsigned long last_printed;
1002 static int last_credits;
1004 CWARN("%.16s: too many transaction credits (%d > %d)\n",
1005 LDISKFS_SB(osd_sb(dev))->s_es->s_volume_name,
1007 osd_journal(dev)->j_max_transaction_buffers);
1008 CWARN(" create: %u/%u, delete: %u/%u, destroy: %u/%u\n",
1009 oti->oti_declare_ops[OSD_OT_CREATE],
1010 oti->oti_declare_ops_cred[OSD_OT_CREATE],
1011 oti->oti_declare_ops[OSD_OT_DELETE],
1012 oti->oti_declare_ops_cred[OSD_OT_DELETE],
1013 oti->oti_declare_ops[OSD_OT_DESTROY],
1014 oti->oti_declare_ops_cred[OSD_OT_DESTROY]);
1015 CWARN(" attr_set: %u/%u, xattr_set: %u/%u\n",
1016 oti->oti_declare_ops[OSD_OT_ATTR_SET],
1017 oti->oti_declare_ops_cred[OSD_OT_ATTR_SET],
1018 oti->oti_declare_ops[OSD_OT_XATTR_SET],
1019 oti->oti_declare_ops_cred[OSD_OT_XATTR_SET]);
1020 CWARN(" write: %u/%u, punch: %u/%u, quota %u/%u\n",
1021 oti->oti_declare_ops[OSD_OT_WRITE],
1022 oti->oti_declare_ops_cred[OSD_OT_WRITE],
1023 oti->oti_declare_ops[OSD_OT_PUNCH],
1024 oti->oti_declare_ops_cred[OSD_OT_PUNCH],
1025 oti->oti_declare_ops[OSD_OT_QUOTA],
1026 oti->oti_declare_ops_cred[OSD_OT_QUOTA]);
1027 CWARN(" insert: %u/%u, delete: %u/%u\n",
1028 oti->oti_declare_ops[OSD_OT_INSERT],
1029 oti->oti_declare_ops_cred[OSD_OT_INSERT],
1030 oti->oti_declare_ops[OSD_OT_DESTROY],
1031 oti->oti_declare_ops_cred[OSD_OT_DESTROY]);
1032 CWARN(" ref_add: %u/%u, ref_del: %u/%u\n",
1033 oti->oti_declare_ops[OSD_OT_REF_ADD],
1034 oti->oti_declare_ops_cred[OSD_OT_REF_ADD],
1035 oti->oti_declare_ops[OSD_OT_REF_DEL],
1036 oti->oti_declare_ops_cred[OSD_OT_REF_DEL]);
1038 if (last_credits != oh->ot_credits &&
1039 time_after(jiffies, last_printed + 60 * HZ)) {
1040 libcfs_debug_dumpstack(NULL);
1041 last_credits = oh->ot_credits;
1042 last_printed = jiffies;
1044 /* XXX Limit the credits to 'max_transaction_buffers', and
1045 * let the underlying filesystem to catch the error if
1046 * we really need so many credits.
1048 * This should be removed when we can calculate the
1049 * credits precisely. */
1050 oh->ot_credits = osd_journal(dev)->j_max_transaction_buffers;
1054 * XXX temporary stuff. Some abstraction layer should
1057 jh = osd_journal_start_sb(osd_sb(dev), LDISKFS_HT_MISC, oh->ot_credits);
1061 LASSERT(oti->oti_txns == 0);
1062 lu_context_init(&th->th_ctx, th->th_tags);
1063 lu_context_enter(&th->th_ctx);
1065 lu_device_get(&d->dd_lu_dev);
1066 lu_ref_add_at(&d->dd_lu_dev.ld_reference, &oh->ot_dev_link,
1077 static int osd_seq_exists(const struct lu_env *env,
1078 struct osd_device *osd, obd_seq seq)
1080 struct lu_seq_range *range = &osd_oti_get(env)->oti_seq_range;
1081 struct seq_server_site *ss = osd_seq_site(osd);
1088 rc = osd_fld_lookup(env, osd, seq, range);
1091 CERROR("%s: can't lookup FLD sequence "LPX64
1092 ": rc = %d\n", osd_name(osd), seq, rc);
1096 RETURN(ss->ss_node_id == range->lsr_index);
1100 * Concurrency: shouldn't matter.
1102 static int osd_trans_stop(const struct lu_env *env, struct dt_device *dt,
1106 struct osd_thandle *oh;
1107 struct osd_thread_info *oti = osd_oti_get(env);
1108 struct osd_iobuf *iobuf = &oti->oti_iobuf;
1109 struct qsd_instance *qsd = oti->oti_dev->od_quota_slave;
1112 oh = container_of0(th, struct osd_thandle, ot_super);
1115 /* inform the quota slave device that the transaction is
1117 qsd_op_end(env, qsd, oh->ot_quota_trans);
1118 oh->ot_quota_trans = NULL;
1120 if (oh->ot_handle != NULL) {
1121 handle_t *hdl = oh->ot_handle;
1124 * add commit callback
1125 * notice we don't do this in osd_trans_start()
1126 * as underlying transaction can change during truncate
1128 ldiskfs_journal_callback_add(hdl, osd_trans_commit_cb,
1131 LASSERT(oti->oti_txns == 1);
1133 rc = dt_txn_hook_stop(env, th);
1135 CERROR("Failure in transaction hook: %d\n", rc);
1137 /* hook functions might modify th_sync */
1138 hdl->h_sync = th->th_sync;
1140 oh->ot_handle = NULL;
1141 OSD_CHECK_SLOW_TH(oh, oti->oti_dev,
1142 rc = ldiskfs_journal_stop(hdl));
1144 CERROR("Failure to stop transaction: %d\n", rc);
1146 thandle_put(&oh->ot_super);
1149 /* as we want IO to journal and data IO be concurrent, we don't block
1150 * awaiting data IO completion in osd_do_bio(), instead we wait here
1151 * once transaction is submitted to the journal. all reqular requests
1152 * don't do direct IO (except read/write), thus this wait_event becomes
1155 * IMPORTANT: we have to wait till any IO submited by the thread is
1156 * completed otherwise iobuf may be corrupted by different request
1158 wait_event(iobuf->dr_wait,
1159 atomic_read(&iobuf->dr_numreqs) == 0);
1161 rc = iobuf->dr_error;
1166 static int osd_trans_cb_add(struct thandle *th, struct dt_txn_commit_cb *dcb)
1168 struct osd_thandle *oh = container_of0(th, struct osd_thandle,
1171 LASSERT(dcb->dcb_magic == TRANS_COMMIT_CB_MAGIC);
1172 LASSERT(&dcb->dcb_func != NULL);
1173 cfs_list_add(&dcb->dcb_linkage, &oh->ot_dcb_list);
1179 * Called just before object is freed. Releases all resources except for
1180 * object itself (that is released by osd_object_free()).
1182 * Concurrency: no concurrent access is possible that late in object
1185 static void osd_object_delete(const struct lu_env *env, struct lu_object *l)
1187 struct osd_object *obj = osd_obj(l);
1188 struct inode *inode = obj->oo_inode;
1190 LINVRNT(osd_invariant(obj));
1193 * If object is unlinked remove fid->ino mapping from object index.
1196 osd_index_fini(obj);
1197 if (inode != NULL) {
1198 struct qsd_instance *qsd = osd_obj2dev(obj)->od_quota_slave;
1199 qid_t uid = inode->i_uid;
1200 qid_t gid = inode->i_gid;
1203 obj->oo_inode = NULL;
1206 struct osd_thread_info *info = osd_oti_get(env);
1207 struct lquota_id_info *qi = &info->oti_qi;
1209 /* Release granted quota to master if necessary */
1210 qi->lqi_id.qid_uid = uid;
1211 qsd_op_adjust(env, qsd, &qi->lqi_id, USRQUOTA);
1213 qi->lqi_id.qid_uid = gid;
1214 qsd_op_adjust(env, qsd, &qi->lqi_id, GRPQUOTA);
1220 * Concurrency: ->loo_object_release() is called under site spin-lock.
1222 static void osd_object_release(const struct lu_env *env,
1223 struct lu_object *l)
1228 * Concurrency: shouldn't matter.
1230 static int osd_object_print(const struct lu_env *env, void *cookie,
1231 lu_printer_t p, const struct lu_object *l)
1233 struct osd_object *o = osd_obj(l);
1234 struct iam_descr *d;
1236 if (o->oo_dir != NULL)
1237 d = o->oo_dir->od_container.ic_descr;
1240 return (*p)(env, cookie,
1241 LUSTRE_OSD_LDISKFS_NAME"-object@%p(i:%p:%lu/%u)[%s]",
1243 o->oo_inode ? o->oo_inode->i_ino : 0UL,
1244 o->oo_inode ? o->oo_inode->i_generation : 0,
1245 d ? d->id_ops->id_name : "plain");
1249 * Concurrency: shouldn't matter.
1251 int osd_statfs(const struct lu_env *env, struct dt_device *d,
1252 struct obd_statfs *sfs)
1254 struct osd_device *osd = osd_dt_dev(d);
1255 struct super_block *sb = osd_sb(osd);
1256 struct kstatfs *ksfs;
1259 if (unlikely(osd->od_mnt == NULL))
1260 return -EINPROGRESS;
1262 /* osd_lproc.c call this without env, allocate ksfs for that case */
1263 if (unlikely(env == NULL)) {
1264 OBD_ALLOC_PTR(ksfs);
1268 ksfs = &osd_oti_get(env)->oti_ksfs;
1271 spin_lock(&osd->od_osfs_lock);
1272 /* cache 1 second */
1273 if (cfs_time_before_64(osd->od_osfs_age, cfs_time_shift_64(-1))) {
1274 result = sb->s_op->statfs(sb->s_root, ksfs);
1275 if (likely(result == 0)) { /* N.B. statfs can't really fail */
1276 osd->od_osfs_age = cfs_time_current_64();
1277 statfs_pack(&osd->od_statfs, ksfs);
1278 if (sb->s_flags & MS_RDONLY)
1279 sfs->os_state = OS_STATE_READONLY;
1283 if (likely(result == 0))
1284 *sfs = osd->od_statfs;
1285 spin_unlock(&osd->od_osfs_lock);
1287 if (unlikely(env == NULL))
1294 * Estimate space needed for file creations. We assume the largest filename
1295 * which is 2^64 - 1, hence a filename of 20 chars.
1296 * This is 28 bytes per object which is 28MB for 1M objects ... no so bad.
1298 #ifdef __LDISKFS_DIR_REC_LEN
1299 #define PER_OBJ_USAGE __LDISKFS_DIR_REC_LEN(20)
1301 #define PER_OBJ_USAGE LDISKFS_DIR_REC_LEN(20)
1305 * Concurrency: doesn't access mutable data.
1307 static void osd_conf_get(const struct lu_env *env,
1308 const struct dt_device *dev,
1309 struct dt_device_param *param)
1311 struct super_block *sb = osd_sb(osd_dt_dev(dev));
1314 * XXX should be taken from not-yet-existing fs abstraction layer.
1316 param->ddp_max_name_len = LDISKFS_NAME_LEN;
1317 param->ddp_max_nlink = LDISKFS_LINK_MAX;
1318 param->ddp_block_shift = sb->s_blocksize_bits;
1319 param->ddp_mount_type = LDD_MT_LDISKFS;
1320 param->ddp_maxbytes = sb->s_maxbytes;
1321 /* Overhead estimate should be fairly accurate, so we really take a tiny
1322 * error margin which also avoids fragmenting the filesystem too much */
1323 param->ddp_grant_reserved = 2; /* end up to be 1.9% after conversion */
1324 /* inode are statically allocated, so per-inode space consumption
1325 * is the space consumed by the directory entry */
1326 param->ddp_inodespace = PER_OBJ_USAGE;
1327 /* per-fragment overhead to be used by the client code */
1328 param->ddp_grant_frag = 6 * LDISKFS_BLOCK_SIZE(sb);
1329 param->ddp_mntopts = 0;
1330 if (test_opt(sb, XATTR_USER))
1331 param->ddp_mntopts |= MNTOPT_USERXATTR;
1332 if (test_opt(sb, POSIX_ACL))
1333 param->ddp_mntopts |= MNTOPT_ACL;
1335 #if defined(LDISKFS_FEATURE_INCOMPAT_EA_INODE)
1336 if (LDISKFS_HAS_INCOMPAT_FEATURE(sb, LDISKFS_FEATURE_INCOMPAT_EA_INODE))
1337 param->ddp_max_ea_size = LDISKFS_XATTR_MAX_LARGE_EA_SIZE;
1340 param->ddp_max_ea_size = sb->s_blocksize;
1345 * Concurrency: shouldn't matter.
1347 static int osd_sync(const struct lu_env *env, struct dt_device *d)
1349 CDEBUG(D_HA, "syncing OSD %s\n", LUSTRE_OSD_LDISKFS_NAME);
1350 return ldiskfs_force_commit(osd_sb(osd_dt_dev(d)));
1354 * Start commit for OSD device.
1356 * An implementation of dt_commit_async method for OSD device.
1357 * Asychronously starts underlayng fs sync and thereby a transaction
1360 * \param env environment
1361 * \param d dt device
1363 * \see dt_device_operations
1365 static int osd_commit_async(const struct lu_env *env,
1366 struct dt_device *d)
1368 struct super_block *s = osd_sb(osd_dt_dev(d));
1371 CDEBUG(D_HA, "async commit OSD %s\n", LUSTRE_OSD_LDISKFS_NAME);
1372 RETURN(s->s_op->sync_fs(s, 0));
1376 * Concurrency: shouldn't matter.
1379 static int osd_ro(const struct lu_env *env, struct dt_device *d)
1381 struct super_block *sb = osd_sb(osd_dt_dev(d));
1382 struct block_device *dev = sb->s_bdev;
1383 #ifdef HAVE_DEV_SET_RDONLY
1384 struct block_device *jdev = LDISKFS_SB(sb)->journal_bdev;
1387 int rc = -EOPNOTSUPP;
1391 #ifdef HAVE_DEV_SET_RDONLY
1392 CERROR("*** setting %s read-only ***\n", osd_dt_dev(d)->od_svname);
1394 if (jdev && (jdev != dev)) {
1395 CDEBUG(D_IOCTL | D_HA, "set journal dev %lx rdonly\n",
1397 dev_set_rdonly(jdev);
1399 CDEBUG(D_IOCTL | D_HA, "set dev %lx rdonly\n", (long)dev);
1400 dev_set_rdonly(dev);
1402 CERROR("%s: %lx CANNOT BE SET READONLY: rc = %d\n",
1403 osd_dt_dev(d)->od_svname, (long)dev, rc);
1409 * Concurrency: serialization provided by callers.
1411 static int osd_init_capa_ctxt(const struct lu_env *env, struct dt_device *d,
1412 int mode, unsigned long timeout, __u32 alg,
1413 struct lustre_capa_key *keys)
1415 struct osd_device *dev = osd_dt_dev(d);
1418 dev->od_fl_capa = mode;
1419 dev->od_capa_timeout = timeout;
1420 dev->od_capa_alg = alg;
1421 dev->od_capa_keys = keys;
1426 * Note: we do not count into QUOTA here.
1427 * If we mount with --data_journal we may need more.
1429 const int osd_dto_credits_noquota[DTO_NR] = {
1432 * INDEX_EXTRA_TRANS_BLOCKS(8) +
1433 * SINGLEDATA_TRANS_BLOCKS(8)
1434 * XXX Note: maybe iam need more, since iam have more level than
1437 [DTO_INDEX_INSERT] = 16,
1438 [DTO_INDEX_DELETE] = 16,
1442 [DTO_INDEX_UPDATE] = 16,
1444 * Create a object. The same as create object in EXT3.
1445 * DATA_TRANS_BLOCKS(14) +
1446 * INDEX_EXTRA_BLOCKS(8) +
1447 * 3(inode bits, groups, GDT)
1449 [DTO_OBJECT_CREATE] = 25,
1451 * XXX: real credits to be fixed
1453 [DTO_OBJECT_DELETE] = 25,
1455 * Attr set credits (inode)
1457 [DTO_ATTR_SET_BASE] = 1,
1459 * Xattr set. The same as xattr of EXT3.
1460 * DATA_TRANS_BLOCKS(14)
1461 * XXX Note: in original MDS implmentation INDEX_EXTRA_TRANS_BLOCKS
1462 * are also counted in. Do not know why?
1464 [DTO_XATTR_SET] = 14,
1467 * credits for inode change during write.
1469 [DTO_WRITE_BASE] = 3,
1471 * credits for single block write.
1473 [DTO_WRITE_BLOCK] = 14,
1475 * Attr set credits for chown.
1476 * This is extra credits for setattr, and it is null without quota
1478 [DTO_ATTR_SET_CHOWN]= 0
1481 static const struct dt_device_operations osd_dt_ops = {
1482 .dt_root_get = osd_root_get,
1483 .dt_statfs = osd_statfs,
1484 .dt_trans_create = osd_trans_create,
1485 .dt_trans_start = osd_trans_start,
1486 .dt_trans_stop = osd_trans_stop,
1487 .dt_trans_cb_add = osd_trans_cb_add,
1488 .dt_conf_get = osd_conf_get,
1489 .dt_sync = osd_sync,
1491 .dt_commit_async = osd_commit_async,
1492 .dt_init_capa_ctxt = osd_init_capa_ctxt,
1495 static void osd_object_read_lock(const struct lu_env *env,
1496 struct dt_object *dt, unsigned role)
1498 struct osd_object *obj = osd_dt_obj(dt);
1499 struct osd_thread_info *oti = osd_oti_get(env);
1501 LINVRNT(osd_invariant(obj));
1503 LASSERT(obj->oo_owner != env);
1504 down_read_nested(&obj->oo_sem, role);
1506 LASSERT(obj->oo_owner == NULL);
1510 static void osd_object_write_lock(const struct lu_env *env,
1511 struct dt_object *dt, unsigned role)
1513 struct osd_object *obj = osd_dt_obj(dt);
1514 struct osd_thread_info *oti = osd_oti_get(env);
1516 LINVRNT(osd_invariant(obj));
1518 LASSERT(obj->oo_owner != env);
1519 down_write_nested(&obj->oo_sem, role);
1521 LASSERT(obj->oo_owner == NULL);
1522 obj->oo_owner = env;
1526 static void osd_object_read_unlock(const struct lu_env *env,
1527 struct dt_object *dt)
1529 struct osd_object *obj = osd_dt_obj(dt);
1530 struct osd_thread_info *oti = osd_oti_get(env);
1532 LINVRNT(osd_invariant(obj));
1534 LASSERT(oti->oti_r_locks > 0);
1536 up_read(&obj->oo_sem);
1539 static void osd_object_write_unlock(const struct lu_env *env,
1540 struct dt_object *dt)
1542 struct osd_object *obj = osd_dt_obj(dt);
1543 struct osd_thread_info *oti = osd_oti_get(env);
1545 LINVRNT(osd_invariant(obj));
1547 LASSERT(obj->oo_owner == env);
1548 LASSERT(oti->oti_w_locks > 0);
1550 obj->oo_owner = NULL;
1551 up_write(&obj->oo_sem);
1554 static int osd_object_write_locked(const struct lu_env *env,
1555 struct dt_object *dt)
1557 struct osd_object *obj = osd_dt_obj(dt);
1559 LINVRNT(osd_invariant(obj));
1561 return obj->oo_owner == env;
1564 static int capa_is_sane(const struct lu_env *env,
1565 struct osd_device *dev,
1566 struct lustre_capa *capa,
1567 struct lustre_capa_key *keys)
1569 struct osd_thread_info *oti = osd_oti_get(env);
1570 struct lustre_capa *tcapa = &oti->oti_capa;
1571 struct obd_capa *oc;
1575 oc = capa_lookup(dev->od_capa_hash, capa, 0);
1577 if (capa_is_expired(oc)) {
1578 DEBUG_CAPA(D_ERROR, capa, "expired");
1585 if (capa_is_expired_sec(capa)) {
1586 DEBUG_CAPA(D_ERROR, capa, "expired");
1590 spin_lock(&capa_lock);
1591 for (i = 0; i < 2; i++) {
1592 if (keys[i].lk_keyid == capa->lc_keyid) {
1593 oti->oti_capa_key = keys[i];
1597 spin_unlock(&capa_lock);
1600 DEBUG_CAPA(D_ERROR, capa, "no matched capa key");
1604 rc = capa_hmac(tcapa->lc_hmac, capa, oti->oti_capa_key.lk_key);
1608 if (memcmp(tcapa->lc_hmac, capa->lc_hmac, sizeof(capa->lc_hmac))) {
1609 DEBUG_CAPA(D_ERROR, capa, "HMAC mismatch");
1613 oc = capa_add(dev->od_capa_hash, capa);
1619 int osd_object_auth(const struct lu_env *env, struct dt_object *dt,
1620 struct lustre_capa *capa, __u64 opc)
1622 const struct lu_fid *fid = lu_object_fid(&dt->do_lu);
1623 struct osd_device *osd = osd_dev(dt->do_lu.lo_dev);
1624 struct lu_capainfo *lci;
1627 if (!osd->od_fl_capa)
1630 if (capa == BYPASS_CAPA)
1633 lci = lu_capainfo_get(env);
1634 if (unlikely(lci == NULL))
1637 if (lci->lci_auth == LC_ID_NONE)
1641 CERROR("%s: no capability provided for FID "DFID": rc = %d\n",
1642 osd_name(osd), PFID(fid), -EACCES);
1646 if (!lu_fid_eq(fid, &capa->lc_fid)) {
1647 DEBUG_CAPA(D_ERROR, capa, "fid "DFID" mismatch with",
1652 if (!capa_opc_supported(capa, opc)) {
1653 DEBUG_CAPA(D_ERROR, capa, "opc "LPX64" not supported by", opc);
1657 rc = capa_is_sane(env, osd, capa, osd->od_capa_keys);
1659 DEBUG_CAPA(D_ERROR, capa, "insane: rc = %d", rc);
1666 static struct timespec *osd_inode_time(const struct lu_env *env,
1667 struct inode *inode, __u64 seconds)
1669 struct osd_thread_info *oti = osd_oti_get(env);
1670 struct timespec *t = &oti->oti_time;
1672 t->tv_sec = seconds;
1674 *t = timespec_trunc(*t, inode->i_sb->s_time_gran);
1679 static void osd_inode_getattr(const struct lu_env *env,
1680 struct inode *inode, struct lu_attr *attr)
1682 attr->la_valid |= LA_ATIME | LA_MTIME | LA_CTIME | LA_MODE |
1683 LA_SIZE | LA_BLOCKS | LA_UID | LA_GID |
1684 LA_FLAGS | LA_NLINK | LA_RDEV | LA_BLKSIZE |
1687 attr->la_atime = LTIME_S(inode->i_atime);
1688 attr->la_mtime = LTIME_S(inode->i_mtime);
1689 attr->la_ctime = LTIME_S(inode->i_ctime);
1690 attr->la_mode = inode->i_mode;
1691 attr->la_size = i_size_read(inode);
1692 attr->la_blocks = inode->i_blocks;
1693 attr->la_uid = inode->i_uid;
1694 attr->la_gid = inode->i_gid;
1695 attr->la_flags = LDISKFS_I(inode)->i_flags;
1696 attr->la_nlink = inode->i_nlink;
1697 attr->la_rdev = inode->i_rdev;
1698 attr->la_blksize = 1 << inode->i_blkbits;
1699 attr->la_blkbits = inode->i_blkbits;
1702 static int osd_attr_get(const struct lu_env *env,
1703 struct dt_object *dt,
1704 struct lu_attr *attr,
1705 struct lustre_capa *capa)
1707 struct osd_object *obj = osd_dt_obj(dt);
1709 LASSERT(dt_object_exists(dt) && !dt_object_remote(dt));
1710 LINVRNT(osd_invariant(obj));
1712 if (osd_object_auth(env, dt, capa, CAPA_OPC_META_READ))
1715 spin_lock(&obj->oo_guard);
1716 osd_inode_getattr(env, obj->oo_inode, attr);
1717 spin_unlock(&obj->oo_guard);
1721 static int osd_declare_attr_set(const struct lu_env *env,
1722 struct dt_object *dt,
1723 const struct lu_attr *attr,
1724 struct thandle *handle)
1726 struct osd_thandle *oh;
1727 struct osd_object *obj;
1728 struct osd_thread_info *info = osd_oti_get(env);
1729 struct lquota_id_info *qi = &info->oti_qi;
1735 LASSERT(dt != NULL);
1736 LASSERT(handle != NULL);
1738 obj = osd_dt_obj(dt);
1739 LASSERT(osd_invariant(obj));
1741 oh = container_of0(handle, struct osd_thandle, ot_super);
1742 LASSERT(oh->ot_handle == NULL);
1744 osd_trans_declare_op(env, oh, OSD_OT_ATTR_SET,
1745 osd_dto_credits_noquota[DTO_ATTR_SET_BASE]);
1747 if (attr == NULL || obj->oo_inode == NULL)
1750 bspace = obj->oo_inode->i_blocks;
1751 bspace <<= obj->oo_inode->i_sb->s_blocksize_bits;
1752 bspace = toqb(bspace);
1754 /* Changing ownership is always preformed by super user, it should not
1757 * We still need to call the osd_declare_qid() to calculate the journal
1758 * credits for updating quota accounting files and to trigger quota
1759 * space adjustment once the operation is completed.*/
1760 if ((attr->la_valid & LA_UID) != 0 &&
1761 attr->la_uid != obj->oo_inode->i_uid) {
1762 qi->lqi_type = USRQUOTA;
1764 /* inode accounting */
1765 qi->lqi_is_blk = false;
1767 /* one more inode for the new owner ... */
1768 qi->lqi_id.qid_uid = attr->la_uid;
1770 allocated = (attr->la_uid == 0) ? true : false;
1771 rc = osd_declare_qid(env, oh, qi, allocated, NULL);
1772 if (rc == -EDQUOT || rc == -EINPROGRESS)
1777 /* and one less inode for the current uid */
1778 qi->lqi_id.qid_uid = obj->oo_inode->i_uid;
1780 rc = osd_declare_qid(env, oh, qi, true, NULL);
1781 if (rc == -EDQUOT || rc == -EINPROGRESS)
1786 /* block accounting */
1787 qi->lqi_is_blk = true;
1789 /* more blocks for the new owner ... */
1790 qi->lqi_id.qid_uid = attr->la_uid;
1791 qi->lqi_space = bspace;
1792 allocated = (attr->la_uid == 0) ? true : false;
1793 rc = osd_declare_qid(env, oh, qi, allocated, NULL);
1794 if (rc == -EDQUOT || rc == -EINPROGRESS)
1799 /* and finally less blocks for the current owner */
1800 qi->lqi_id.qid_uid = obj->oo_inode->i_uid;
1801 qi->lqi_space = -bspace;
1802 rc = osd_declare_qid(env, oh, qi, true, NULL);
1803 if (rc == -EDQUOT || rc == -EINPROGRESS)
1809 if (attr->la_valid & LA_GID &&
1810 attr->la_gid != obj->oo_inode->i_gid) {
1811 qi->lqi_type = GRPQUOTA;
1813 /* inode accounting */
1814 qi->lqi_is_blk = false;
1816 /* one more inode for the new group owner ... */
1817 qi->lqi_id.qid_gid = attr->la_gid;
1819 allocated = (attr->la_gid == 0) ? true : false;
1820 rc = osd_declare_qid(env, oh, qi, allocated, NULL);
1821 if (rc == -EDQUOT || rc == -EINPROGRESS)
1826 /* and one less inode for the current gid */
1827 qi->lqi_id.qid_gid = obj->oo_inode->i_gid;
1829 rc = osd_declare_qid(env, oh, qi, true, NULL);
1830 if (rc == -EDQUOT || rc == -EINPROGRESS)
1835 /* block accounting */
1836 qi->lqi_is_blk = true;
1838 /* more blocks for the new owner ... */
1839 qi->lqi_id.qid_gid = attr->la_gid;
1840 qi->lqi_space = bspace;
1841 allocated = (attr->la_gid == 0) ? true : false;
1842 rc = osd_declare_qid(env, oh, qi, allocated, NULL);
1843 if (rc == -EDQUOT || rc == -EINPROGRESS)
1848 /* and finally less blocks for the current owner */
1849 qi->lqi_id.qid_gid = obj->oo_inode->i_gid;
1850 qi->lqi_space = -bspace;
1851 rc = osd_declare_qid(env, oh, qi, true, NULL);
1852 if (rc == -EDQUOT || rc == -EINPROGRESS)
1861 static int osd_inode_setattr(const struct lu_env *env,
1862 struct inode *inode, const struct lu_attr *attr)
1866 bits = attr->la_valid;
1868 if (bits & LA_ATIME)
1869 inode->i_atime = *osd_inode_time(env, inode, attr->la_atime);
1870 if (bits & LA_CTIME)
1871 inode->i_ctime = *osd_inode_time(env, inode, attr->la_ctime);
1872 if (bits & LA_MTIME)
1873 inode->i_mtime = *osd_inode_time(env, inode, attr->la_mtime);
1874 if (bits & LA_SIZE) {
1875 LDISKFS_I(inode)->i_disksize = attr->la_size;
1876 i_size_write(inode, attr->la_size);
1880 /* OSD should not change "i_blocks" which is used by quota.
1881 * "i_blocks" should be changed by ldiskfs only. */
1882 if (bits & LA_BLOCKS)
1883 inode->i_blocks = attr->la_blocks;
1886 inode->i_mode = (inode->i_mode & S_IFMT) |
1887 (attr->la_mode & ~S_IFMT);
1889 inode->i_uid = attr->la_uid;
1891 inode->i_gid = attr->la_gid;
1892 if (bits & LA_NLINK)
1893 set_nlink(inode, attr->la_nlink);
1895 inode->i_rdev = attr->la_rdev;
1897 if (bits & LA_FLAGS) {
1898 /* always keep S_NOCMTIME */
1899 inode->i_flags = ll_ext_to_inode_flags(attr->la_flags) |
1905 static int osd_quota_transfer(struct inode *inode, const struct lu_attr *attr)
1907 if ((attr->la_valid & LA_UID && attr->la_uid != inode->i_uid) ||
1908 (attr->la_valid & LA_GID && attr->la_gid != inode->i_gid)) {
1913 if (attr->la_valid & LA_UID)
1914 iattr.ia_valid |= ATTR_UID;
1915 if (attr->la_valid & LA_GID)
1916 iattr.ia_valid |= ATTR_GID;
1917 iattr.ia_uid = attr->la_uid;
1918 iattr.ia_gid = attr->la_gid;
1920 rc = ll_vfs_dq_transfer(inode, &iattr);
1922 CERROR("%s: quota transfer failed: rc = %d. Is quota "
1923 "enforcement enabled on the ldiskfs filesystem?",
1924 inode->i_sb->s_id, rc);
1931 static int osd_attr_set(const struct lu_env *env,
1932 struct dt_object *dt,
1933 const struct lu_attr *attr,
1934 struct thandle *handle,
1935 struct lustre_capa *capa)
1937 struct osd_object *obj = osd_dt_obj(dt);
1938 struct inode *inode;
1941 LASSERT(handle != NULL);
1942 LASSERT(dt_object_exists(dt) && !dt_object_remote(dt));
1943 LASSERT(osd_invariant(obj));
1945 if (osd_object_auth(env, dt, capa, CAPA_OPC_META_WRITE))
1948 osd_trans_exec_op(env, handle, OSD_OT_ATTR_SET);
1950 if (OBD_FAIL_CHECK(OBD_FAIL_OSD_FID_MAPPING)) {
1951 struct osd_thread_info *oti = osd_oti_get(env);
1952 const struct lu_fid *fid0 = lu_object_fid(&dt->do_lu);
1953 struct lu_fid *fid1 = &oti->oti_fid;
1954 struct osd_inode_id *id = &oti->oti_id;
1955 struct iam_path_descr *ipd;
1956 struct iam_container *bag;
1957 struct osd_thandle *oh;
1960 fid_cpu_to_be(fid1, fid0);
1961 memset(id, 1, sizeof(*id));
1962 bag = &osd_fid2oi(osd_dev(dt->do_lu.lo_dev),
1963 fid0)->oi_dir.od_container;
1964 ipd = osd_idx_ipd_get(env, bag);
1965 if (unlikely(ipd == NULL))
1968 oh = container_of0(handle, struct osd_thandle, ot_super);
1969 rc = iam_update(oh->ot_handle, bag, (const struct iam_key *)fid1,
1970 (const struct iam_rec *)id, ipd);
1971 osd_ipd_put(env, bag, ipd);
1972 return(rc > 0 ? 0 : rc);
1975 inode = obj->oo_inode;
1976 ll_vfs_dq_init(inode);
1978 rc = osd_quota_transfer(inode, attr);
1982 spin_lock(&obj->oo_guard);
1983 rc = osd_inode_setattr(env, inode, attr);
1984 spin_unlock(&obj->oo_guard);
1987 ll_dirty_inode(inode, I_DIRTY_DATASYNC);
1991 struct dentry *osd_child_dentry_get(const struct lu_env *env,
1992 struct osd_object *obj,
1993 const char *name, const int namelen)
1995 return osd_child_dentry_by_inode(env, obj->oo_inode, name, namelen);
1998 static int osd_mkfile(struct osd_thread_info *info, struct osd_object *obj,
1999 umode_t mode, struct dt_allocation_hint *hint,
2003 struct osd_device *osd = osd_obj2dev(obj);
2004 struct osd_thandle *oth;
2005 struct dt_object *parent = NULL;
2006 struct inode *inode;
2008 LINVRNT(osd_invariant(obj));
2009 LASSERT(obj->oo_inode == NULL);
2010 LASSERT(obj->oo_hl_head == NULL);
2012 if (S_ISDIR(mode) && ldiskfs_pdo) {
2013 obj->oo_hl_head =ldiskfs_htree_lock_head_alloc(HTREE_HBITS_DEF);
2014 if (obj->oo_hl_head == NULL)
2018 oth = container_of(th, struct osd_thandle, ot_super);
2019 LASSERT(oth->ot_handle->h_transaction != NULL);
2021 if (hint && hint->dah_parent)
2022 parent = hint->dah_parent;
2024 inode = ldiskfs_create_inode(oth->ot_handle,
2025 parent ? osd_dt_obj(parent)->oo_inode :
2026 osd_sb(osd)->s_root->d_inode,
2028 if (!IS_ERR(inode)) {
2029 /* Do not update file c/mtime in ldiskfs.
2030 * NB: don't need any lock because no contention at this
2032 inode->i_flags |= S_NOCMTIME;
2034 /* For new created object, it must be consistent,
2035 * and it is unnecessary to scrub against it. */
2036 ldiskfs_set_inode_state(inode, LDISKFS_STATE_LUSTRE_NOSCRUB);
2037 obj->oo_inode = inode;
2040 if (obj->oo_hl_head != NULL) {
2041 ldiskfs_htree_lock_head_free(obj->oo_hl_head);
2042 obj->oo_hl_head = NULL;
2044 result = PTR_ERR(inode);
2046 LINVRNT(osd_invariant(obj));
2054 static int osd_mkdir(struct osd_thread_info *info, struct osd_object *obj,
2055 struct lu_attr *attr,
2056 struct dt_allocation_hint *hint,
2057 struct dt_object_format *dof,
2061 struct osd_thandle *oth;
2062 __u32 mode = (attr->la_mode & (S_IFMT | S_IRWXUGO | S_ISVTX));
2064 LASSERT(S_ISDIR(attr->la_mode));
2066 oth = container_of(th, struct osd_thandle, ot_super);
2067 LASSERT(oth->ot_handle->h_transaction != NULL);
2068 result = osd_mkfile(info, obj, mode, hint, th);
2073 static int osd_mk_index(struct osd_thread_info *info, struct osd_object *obj,
2074 struct lu_attr *attr,
2075 struct dt_allocation_hint *hint,
2076 struct dt_object_format *dof,
2080 struct osd_thandle *oth;
2081 const struct dt_index_features *feat = dof->u.dof_idx.di_feat;
2083 __u32 mode = (attr->la_mode & (S_IFMT | S_IALLUGO | S_ISVTX));
2085 LASSERT(S_ISREG(attr->la_mode));
2087 oth = container_of(th, struct osd_thandle, ot_super);
2088 LASSERT(oth->ot_handle->h_transaction != NULL);
2090 result = osd_mkfile(info, obj, mode, hint, th);
2092 LASSERT(obj->oo_inode != NULL);
2093 if (feat->dif_flags & DT_IND_VARKEY)
2094 result = iam_lvar_create(obj->oo_inode,
2095 feat->dif_keysize_max,
2097 feat->dif_recsize_max,
2100 result = iam_lfix_create(obj->oo_inode,
2101 feat->dif_keysize_max,
2103 feat->dif_recsize_max,
2110 static int osd_mkreg(struct osd_thread_info *info, struct osd_object *obj,
2111 struct lu_attr *attr,
2112 struct dt_allocation_hint *hint,
2113 struct dt_object_format *dof,
2116 LASSERT(S_ISREG(attr->la_mode));
2117 return osd_mkfile(info, obj, (attr->la_mode &
2118 (S_IFMT | S_IALLUGO | S_ISVTX)), hint, th);
2121 static int osd_mksym(struct osd_thread_info *info, struct osd_object *obj,
2122 struct lu_attr *attr,
2123 struct dt_allocation_hint *hint,
2124 struct dt_object_format *dof,
2127 LASSERT(S_ISLNK(attr->la_mode));
2128 return osd_mkfile(info, obj, (attr->la_mode &
2129 (S_IFMT | S_IALLUGO | S_ISVTX)), hint, th);
2132 static int osd_mknod(struct osd_thread_info *info, struct osd_object *obj,
2133 struct lu_attr *attr,
2134 struct dt_allocation_hint *hint,
2135 struct dt_object_format *dof,
2138 umode_t mode = attr->la_mode & (S_IFMT | S_IALLUGO | S_ISVTX);
2141 LINVRNT(osd_invariant(obj));
2142 LASSERT(obj->oo_inode == NULL);
2143 LASSERT(S_ISCHR(mode) || S_ISBLK(mode) ||
2144 S_ISFIFO(mode) || S_ISSOCK(mode));
2146 result = osd_mkfile(info, obj, mode, hint, th);
2148 LASSERT(obj->oo_inode != NULL);
2150 * This inode should be marked dirty for i_rdev. Currently
2151 * that is done in the osd_attr_init().
2153 init_special_inode(obj->oo_inode, obj->oo_inode->i_mode,
2156 LINVRNT(osd_invariant(obj));
2160 typedef int (*osd_obj_type_f)(struct osd_thread_info *, struct osd_object *,
2162 struct dt_allocation_hint *hint,
2163 struct dt_object_format *dof,
2166 static osd_obj_type_f osd_create_type_f(enum dt_format_type type)
2168 osd_obj_type_f result;
2184 result = osd_mk_index;
2195 static void osd_ah_init(const struct lu_env *env, struct dt_allocation_hint *ah,
2196 struct dt_object *parent, struct dt_object *child,
2201 ah->dah_parent = parent;
2202 ah->dah_mode = child_mode;
2205 static void osd_attr_init(struct osd_thread_info *info, struct osd_object *obj,
2206 struct lu_attr *attr, struct dt_object_format *dof)
2208 struct inode *inode = obj->oo_inode;
2209 __u64 valid = attr->la_valid;
2212 attr->la_valid &= ~(LA_TYPE | LA_MODE);
2214 if (dof->dof_type != DFT_NODE)
2215 attr->la_valid &= ~LA_RDEV;
2216 if ((valid & LA_ATIME) && (attr->la_atime == LTIME_S(inode->i_atime)))
2217 attr->la_valid &= ~LA_ATIME;
2218 if ((valid & LA_CTIME) && (attr->la_ctime == LTIME_S(inode->i_ctime)))
2219 attr->la_valid &= ~LA_CTIME;
2220 if ((valid & LA_MTIME) && (attr->la_mtime == LTIME_S(inode->i_mtime)))
2221 attr->la_valid &= ~LA_MTIME;
2223 result = osd_quota_transfer(inode, attr);
2227 if (attr->la_valid != 0) {
2228 result = osd_inode_setattr(info->oti_env, inode, attr);
2230 * The osd_inode_setattr() should always succeed here. The
2231 * only error that could be returned is EDQUOT when we are
2232 * trying to change the UID or GID of the inode. However, this
2233 * should not happen since quota enforcement is no longer
2234 * enabled on ldiskfs (lquota takes care of it).
2236 LASSERTF(result == 0, "%d", result);
2237 ll_dirty_inode(inode, I_DIRTY_DATASYNC);
2240 attr->la_valid = valid;
2244 * Helper function for osd_object_create()
2246 * \retval 0, on success
2248 static int __osd_object_create(struct osd_thread_info *info,
2249 struct osd_object *obj, struct lu_attr *attr,
2250 struct dt_allocation_hint *hint,
2251 struct dt_object_format *dof,
2257 /* we drop umask so that permissions we pass are not affected */
2258 umask = current->fs->umask;
2259 current->fs->umask = 0;
2261 result = osd_create_type_f(dof->dof_type)(info, obj, attr, hint, dof,
2264 osd_attr_init(info, obj, attr, dof);
2265 osd_object_init0(obj);
2267 if (obj->oo_inode && (obj->oo_inode->i_state & I_NEW))
2268 unlock_new_inode(obj->oo_inode);
2271 /* restore previous umask value */
2272 current->fs->umask = umask;
2278 * Helper function for osd_object_create()
2280 * \retval 0, on success
2282 static int __osd_oi_insert(const struct lu_env *env, struct osd_object *obj,
2283 const struct lu_fid *fid, struct thandle *th)
2285 struct osd_thread_info *info = osd_oti_get(env);
2286 struct osd_inode_id *id = &info->oti_id;
2287 struct osd_device *osd = osd_obj2dev(obj);
2288 struct osd_thandle *oh;
2290 LASSERT(obj->oo_inode != NULL);
2292 oh = container_of0(th, struct osd_thandle, ot_super);
2293 LASSERT(oh->ot_handle);
2295 osd_id_gen(id, obj->oo_inode->i_ino, obj->oo_inode->i_generation);
2296 return osd_oi_insert(info, osd, fid, id, oh->ot_handle, OI_CHECK_FLD);
2299 int osd_fld_lookup(const struct lu_env *env, struct osd_device *osd,
2300 obd_seq seq, struct lu_seq_range *range)
2302 struct seq_server_site *ss = osd_seq_site(osd);
2304 if (fid_seq_is_idif(seq)) {
2305 fld_range_set_ost(range);
2306 range->lsr_index = idif_ost_idx(seq);
2310 if (!fid_seq_in_fldb(seq)) {
2311 fld_range_set_mdt(range);
2313 /* FIXME: If ss is NULL, it suppose not get lsr_index
2315 range->lsr_index = ss->ss_node_id;
2319 LASSERT(ss != NULL);
2320 fld_range_set_any(range);
2321 /* OSD will only do local fld lookup */
2322 return fld_local_lookup(env, ss->ss_server_fld, seq, range);
2326 * Concurrency: no external locking is necessary.
2328 static int osd_declare_object_create(const struct lu_env *env,
2329 struct dt_object *dt,
2330 struct lu_attr *attr,
2331 struct dt_allocation_hint *hint,
2332 struct dt_object_format *dof,
2333 struct thandle *handle)
2335 struct osd_thandle *oh;
2339 LASSERT(handle != NULL);
2341 oh = container_of0(handle, struct osd_thandle, ot_super);
2342 LASSERT(oh->ot_handle == NULL);
2344 osd_trans_declare_op(env, oh, OSD_OT_CREATE,
2345 osd_dto_credits_noquota[DTO_OBJECT_CREATE]);
2346 if (!fid_is_on_ost(osd_oti_get(env), osd_dt_dev(handle->th_dev),
2347 lu_object_fid(&dt->do_lu), OI_CHECK_FLD))
2348 /* Reuse idle OI block may cause additional one OI block
2350 osd_trans_declare_op(env, oh, OSD_OT_INSERT,
2351 osd_dto_credits_noquota[DTO_INDEX_INSERT] + 1);
2353 /* If this is directory, then we expect . and .. to be inserted as
2354 * well. The one directory block always needs to be created for the
2355 * directory, so we could use DTO_WRITE_BASE here (GDT, block bitmap,
2356 * block), there is no danger of needing a tree for the first block.
2358 if (attr && S_ISDIR(attr->la_mode)) {
2359 osd_trans_declare_op(env, oh, OSD_OT_INSERT,
2360 osd_dto_credits_noquota[DTO_WRITE_BASE]);
2361 osd_trans_declare_op(env, oh, OSD_OT_INSERT, 0);
2367 rc = osd_declare_inode_qid(env, attr->la_uid, attr->la_gid, 1, oh,
2368 false, false, NULL, false);
2375 static int osd_object_create(const struct lu_env *env, struct dt_object *dt,
2376 struct lu_attr *attr,
2377 struct dt_allocation_hint *hint,
2378 struct dt_object_format *dof,
2381 const struct lu_fid *fid = lu_object_fid(&dt->do_lu);
2382 struct osd_object *obj = osd_dt_obj(dt);
2383 struct osd_thread_info *info = osd_oti_get(env);
2388 LINVRNT(osd_invariant(obj));
2389 LASSERT(!dt_object_exists(dt) && !dt_object_remote(dt));
2390 LASSERT(osd_write_locked(env, obj));
2391 LASSERT(th != NULL);
2393 if (unlikely(fid_is_acct(fid)))
2394 /* Quota files can't be created from the kernel any more,
2395 * 'tune2fs -O quota' will take care of creating them */
2398 osd_trans_exec_op(env, th, OSD_OT_CREATE);
2399 osd_trans_declare_rb(env, th, OSD_OT_REF_ADD);
2401 result = __osd_object_create(info, obj, attr, hint, dof, th);
2403 result = __osd_oi_insert(env, obj, fid, th);
2405 LASSERT(ergo(result == 0,
2406 dt_object_exists(dt) && !dt_object_remote(dt)));
2408 LASSERT(osd_invariant(obj));
2413 * Called to destroy on-disk representation of the object
2415 * Concurrency: must be locked
2417 static int osd_declare_object_destroy(const struct lu_env *env,
2418 struct dt_object *dt,
2421 struct osd_object *obj = osd_dt_obj(dt);
2422 struct inode *inode = obj->oo_inode;
2423 struct osd_thandle *oh;
2427 oh = container_of0(th, struct osd_thandle, ot_super);
2428 LASSERT(oh->ot_handle == NULL);
2431 osd_trans_declare_op(env, oh, OSD_OT_DESTROY,
2432 osd_dto_credits_noquota[DTO_OBJECT_DELETE]);
2433 /* Recycle idle OI leaf may cause additional three OI blocks
2435 osd_trans_declare_op(env, oh, OSD_OT_DELETE,
2436 osd_dto_credits_noquota[DTO_INDEX_DELETE] + 3);
2437 /* one less inode */
2438 rc = osd_declare_inode_qid(env, inode->i_uid, inode->i_gid, -1, oh,
2439 false, true, NULL, false);
2442 /* data to be truncated */
2443 rc = osd_declare_inode_qid(env, inode->i_uid, inode->i_gid, 0, oh,
2444 true, true, NULL, false);
2448 static int osd_object_destroy(const struct lu_env *env,
2449 struct dt_object *dt,
2452 const struct lu_fid *fid = lu_object_fid(&dt->do_lu);
2453 struct osd_object *obj = osd_dt_obj(dt);
2454 struct inode *inode = obj->oo_inode;
2455 struct osd_device *osd = osd_obj2dev(obj);
2456 struct osd_thandle *oh;
2460 oh = container_of0(th, struct osd_thandle, ot_super);
2461 LASSERT(oh->ot_handle);
2463 LASSERT(!lu_object_is_dying(dt->do_lu.lo_header));
2465 if (unlikely(fid_is_acct(fid)))
2468 if (S_ISDIR(inode->i_mode)) {
2469 LASSERT(osd_inode_unlinked(inode) || inode->i_nlink == 1 ||
2470 inode->i_nlink == 2);
2471 /* it will check/delete the inode from remote parent,
2472 * how to optimize it? unlink performance impaction XXX */
2473 result = osd_delete_from_remote_parent(env, osd, obj, oh);
2474 if (result != 0 && result != -ENOENT) {
2475 CERROR("%s: delete inode "DFID": rc = %d\n",
2476 osd_name(osd), PFID(fid), result);
2478 spin_lock(&obj->oo_guard);
2480 spin_unlock(&obj->oo_guard);
2481 ll_dirty_inode(inode, I_DIRTY_DATASYNC);
2484 osd_trans_exec_op(env, th, OSD_OT_DESTROY);
2486 result = osd_oi_delete(osd_oti_get(env), osd, fid, oh->ot_handle,
2489 /* XXX: add to ext3 orphan list */
2490 /* rc = ext3_orphan_add(handle_t *handle, struct inode *inode) */
2492 /* not needed in the cache anymore */
2493 set_bit(LU_OBJECT_HEARD_BANSHEE, &dt->do_lu.lo_header->loh_flags);
2499 * Put the fid into lustre_mdt_attrs, and then place the structure
2500 * inode's ea. This fid should not be altered during the life time
2503 * \retval +ve, on success
2504 * \retval -ve, on error
2506 * FIXME: It is good to have/use ldiskfs_xattr_set_handle() here
2508 int osd_ea_fid_set(struct osd_thread_info *info, struct inode *inode,
2509 const struct lu_fid *fid, __u32 compat, __u32 incompat)
2511 struct lustre_mdt_attrs *lma = &info->oti_mdt_attrs;
2515 if (OBD_FAIL_CHECK(OBD_FAIL_FID_INLMA))
2518 lustre_lma_init(lma, fid, compat, incompat);
2519 lustre_lma_swab(lma);
2521 rc = __osd_xattr_set(info, inode, XATTR_NAME_LMA, lma, sizeof(*lma),
2523 /* LMA may already exist, but we need to check that all the
2524 * desired compat/incompat flags have been added. */
2525 if (unlikely(rc == -EEXIST)) {
2526 if (compat == 0 && incompat == 0)
2529 rc = __osd_xattr_get(inode, &info->oti_obj_dentry,
2530 XATTR_NAME_LMA, info->oti_mdt_attrs_old,
2535 lustre_lma_swab(lma);
2536 if (!(~lma->lma_compat & compat) &&
2537 !(~lma->lma_incompat & incompat))
2540 lma->lma_compat |= compat;
2541 lma->lma_incompat |= incompat;
2542 lustre_lma_swab(lma);
2543 rc = __osd_xattr_set(info, inode, XATTR_NAME_LMA, lma,
2544 sizeof(*lma), XATTR_REPLACE);
2551 * ldiskfs supports fid in dirent, it is passed in dentry->d_fsdata.
2552 * lustre 1.8 also uses d_fsdata for passing other info to ldiskfs.
2553 * To have compatilibility with 1.8 ldiskfs driver we need to have
2554 * magic number at start of fid data.
2555 * \ldiskfs_dentry_param is used only to pass fid from osd to ldiskfs.
2558 void osd_get_ldiskfs_dirent_param(struct ldiskfs_dentry_param *param,
2559 const struct dt_rec *fid)
2561 if (!fid_is_namespace_visible((const struct lu_fid *)fid) ||
2562 OBD_FAIL_CHECK(OBD_FAIL_FID_IGIF)) {
2563 param->edp_magic = 0;
2567 param->edp_magic = LDISKFS_LUFID_MAGIC;
2568 param->edp_len = sizeof(struct lu_fid) + 1;
2569 fid_cpu_to_be((struct lu_fid *)param->edp_data, (struct lu_fid *)fid);
2573 * Try to read the fid from inode ea into dt_rec.
2575 * \param fid object fid.
2577 * \retval 0 on success
2579 static int osd_ea_fid_get(const struct lu_env *env, struct osd_object *obj,
2580 __u32 ino, struct lu_fid *fid,
2581 struct osd_inode_id *id)
2583 struct osd_thread_info *info = osd_oti_get(env);
2584 struct inode *inode;
2587 osd_id_gen(id, ino, OSD_OII_NOGEN);
2588 inode = osd_iget_fid(info, osd_obj2dev(obj), id, fid);
2590 RETURN(PTR_ERR(inode));
2596 static int osd_add_dot_dotdot_internal(struct osd_thread_info *info,
2598 struct inode *parent_dir,
2599 const struct dt_rec *dot_fid,
2600 const struct dt_rec *dot_dot_fid,
2601 struct osd_thandle *oth)
2603 struct ldiskfs_dentry_param *dot_ldp;
2604 struct ldiskfs_dentry_param *dot_dot_ldp;
2606 dot_dot_ldp = (struct ldiskfs_dentry_param *)info->oti_ldp2;
2607 osd_get_ldiskfs_dirent_param(dot_dot_ldp, dot_dot_fid);
2609 dot_ldp = (struct ldiskfs_dentry_param *)info->oti_ldp;
2610 dot_ldp->edp_magic = 0;
2611 return ldiskfs_add_dot_dotdot(oth->ot_handle, parent_dir,
2612 dir, dot_ldp, dot_dot_ldp);
2616 * Create an local agent inode for remote entry
2618 static struct inode *osd_create_local_agent_inode(const struct lu_env *env,
2619 struct osd_device *osd,
2620 struct osd_object *pobj,
2621 const struct lu_fid *fid,
2624 struct osd_thread_info *info = osd_oti_get(env);
2625 struct inode *local;
2626 struct osd_thandle *oh;
2631 oh = container_of(th, struct osd_thandle, ot_super);
2632 LASSERT(oh->ot_handle->h_transaction != NULL);
2634 /* FIXME: Insert index api needs to know the mode of
2635 * the remote object. Just use S_IFDIR for now */
2636 local = ldiskfs_create_inode(oh->ot_handle, pobj->oo_inode, S_IFDIR);
2637 if (IS_ERR(local)) {
2638 CERROR("%s: create local error %d\n", osd_name(osd),
2639 (int)PTR_ERR(local));
2643 /* Set special LMA flag for local agent inode */
2644 rc = osd_ea_fid_set(info, local, fid, 0, LMAI_AGENT);
2646 CERROR("%s: set LMA for "DFID" remote inode failed: rc = %d\n",
2647 osd_name(osd), PFID(fid), rc);
2648 RETURN(ERR_PTR(rc));
2651 rc = osd_add_dot_dotdot_internal(info, local, pobj->oo_inode,
2652 (const struct dt_rec *)lu_object_fid(&pobj->oo_dt.do_lu),
2653 (const struct dt_rec *)fid, oh);
2655 CERROR("%s: "DFID" add dot dotdot error: rc = %d\n",
2656 osd_name(osd), PFID(fid), rc);
2657 RETURN(ERR_PTR(rc));
2664 * Delete local agent inode for remote entry
2666 static int osd_delete_local_agent_inode(const struct lu_env *env,
2667 struct osd_device *osd,
2668 const struct lu_fid *fid,
2669 __u32 ino, struct osd_thandle *oh)
2671 struct osd_thread_info *oti = osd_oti_get(env);
2672 struct osd_inode_id *id = &oti->oti_id;
2673 struct inode *inode;
2676 id->oii_ino = le32_to_cpu(ino);
2677 id->oii_gen = OSD_OII_NOGEN;
2678 inode = osd_iget(oti, osd, id);
2679 if (IS_ERR(inode)) {
2680 CERROR("%s: iget error "DFID" id %u:%u\n", osd_name(osd),
2681 PFID(fid), id->oii_ino, id->oii_gen);
2682 RETURN(PTR_ERR(inode));
2686 mark_inode_dirty(inode);
2687 CDEBUG(D_INODE, "%s: delete remote inode "DFID" %lu\n",
2688 osd_name(osd), PFID(fid), inode->i_ino);
2694 * OSD layer object create function for interoperability mode (b11826).
2695 * This is mostly similar to osd_object_create(). Only difference being, fid is
2696 * inserted into inode ea here.
2698 * \retval 0, on success
2699 * \retval -ve, on error
2701 static int osd_object_ea_create(const struct lu_env *env, struct dt_object *dt,
2702 struct lu_attr *attr,
2703 struct dt_allocation_hint *hint,
2704 struct dt_object_format *dof,
2707 const struct lu_fid *fid = lu_object_fid(&dt->do_lu);
2708 struct osd_object *obj = osd_dt_obj(dt);
2709 struct osd_thread_info *info = osd_oti_get(env);
2714 LASSERT(osd_invariant(obj));
2715 LASSERT(!dt_object_exists(dt) && !dt_object_remote(dt));
2716 LASSERT(osd_write_locked(env, obj));
2717 LASSERT(th != NULL);
2719 if (unlikely(fid_is_acct(fid)))
2720 /* Quota files can't be created from the kernel any more,
2721 * 'tune2fs -O quota' will take care of creating them */
2724 osd_trans_exec_op(env, th, OSD_OT_CREATE);
2725 osd_trans_declare_rb(env, th, OSD_OT_REF_ADD);
2727 result = __osd_object_create(info, obj, attr, hint, dof, th);
2729 result = osd_ea_fid_set(info, obj->oo_inode, fid,
2730 fid_is_on_ost(info, osd_obj2dev(obj),
2731 fid, OI_CHECK_FLD) ?
2732 LMAC_FID_ON_OST : 0, 0);
2735 result = __osd_oi_insert(env, obj, fid, th);
2737 LASSERT(ergo(result == 0,
2738 dt_object_exists(dt) && !dt_object_remote(dt)));
2739 LINVRNT(osd_invariant(obj));
2743 static int osd_declare_object_ref_add(const struct lu_env *env,
2744 struct dt_object *dt,
2745 struct thandle *handle)
2747 struct osd_thandle *oh;
2749 /* it's possible that object doesn't exist yet */
2750 LASSERT(handle != NULL);
2752 oh = container_of0(handle, struct osd_thandle, ot_super);
2753 LASSERT(oh->ot_handle == NULL);
2755 osd_trans_declare_op(env, oh, OSD_OT_REF_ADD,
2756 osd_dto_credits_noquota[DTO_ATTR_SET_BASE]);
2762 * Concurrency: @dt is write locked.
2764 static int osd_object_ref_add(const struct lu_env *env,
2765 struct dt_object *dt, struct thandle *th)
2767 struct osd_object *obj = osd_dt_obj(dt);
2768 struct inode *inode = obj->oo_inode;
2769 struct osd_thandle *oh;
2772 LINVRNT(osd_invariant(obj));
2773 LASSERT(dt_object_exists(dt) && !dt_object_remote(dt));
2774 LASSERT(osd_write_locked(env, obj));
2775 LASSERT(th != NULL);
2777 oh = container_of0(th, struct osd_thandle, ot_super);
2778 LASSERT(oh->ot_handle != NULL);
2780 osd_trans_exec_op(env, th, OSD_OT_REF_ADD);
2783 * The DIR_NLINK feature allows directories to exceed LDISKFS_LINK_MAX
2784 * (65000) subdirectories by storing "1" in i_nlink if the link count
2785 * would otherwise overflow. Directory tranversal tools understand
2786 * that (st_nlink == 1) indicates that the filesystem dose not track
2787 * hard links count on the directory, and will not abort subdirectory
2788 * scanning early once (st_nlink - 2) subdirs have been found.
2790 * This also has to properly handle the case of inodes with nlink == 0
2791 * in case they are being linked into the PENDING directory
2793 spin_lock(&obj->oo_guard);
2794 ldiskfs_inc_count(oh->ot_handle, inode);
2795 LASSERT(inode->i_nlink <= LDISKFS_LINK_MAX);
2796 spin_unlock(&obj->oo_guard);
2798 ll_dirty_inode(inode, I_DIRTY_DATASYNC);
2799 LINVRNT(osd_invariant(obj));
2804 static int osd_declare_object_ref_del(const struct lu_env *env,
2805 struct dt_object *dt,
2806 struct thandle *handle)
2808 struct osd_thandle *oh;
2810 LASSERT(dt_object_exists(dt) && !dt_object_remote(dt));
2811 LASSERT(handle != NULL);
2813 oh = container_of0(handle, struct osd_thandle, ot_super);
2814 LASSERT(oh->ot_handle == NULL);
2816 osd_trans_declare_op(env, oh, OSD_OT_REF_DEL,
2817 osd_dto_credits_noquota[DTO_ATTR_SET_BASE]);
2823 * Concurrency: @dt is write locked.
2825 static int osd_object_ref_del(const struct lu_env *env, struct dt_object *dt,
2828 struct osd_object *obj = osd_dt_obj(dt);
2829 struct inode *inode = obj->oo_inode;
2830 struct osd_device *osd = osd_dev(dt->do_lu.lo_dev);
2831 struct osd_thandle *oh;
2833 LINVRNT(osd_invariant(obj));
2834 LASSERT(dt_object_exists(dt) && !dt_object_remote(dt));
2835 LASSERT(osd_write_locked(env, obj));
2836 LASSERT(th != NULL);
2838 oh = container_of0(th, struct osd_thandle, ot_super);
2839 LASSERT(oh->ot_handle != NULL);
2841 osd_trans_exec_op(env, th, OSD_OT_REF_DEL);
2843 spin_lock(&obj->oo_guard);
2844 /* That can be result of upgrade from old Lustre version and
2845 * applied only to local files. Just skip this ref_del call.
2846 * ext4_unlink() only treats this as a warning, don't LASSERT here.*/
2847 if (inode->i_nlink == 0) {
2848 CDEBUG_LIMIT(fid_is_norm(lu_object_fid(&dt->do_lu)) ?
2849 D_ERROR : D_INODE, "%s: nlink == 0 on "DFID
2850 ", maybe an upgraded file? (LU-3915)\n",
2851 osd_name(osd), PFID(lu_object_fid(&dt->do_lu)));
2852 spin_unlock(&obj->oo_guard);
2856 ldiskfs_dec_count(oh->ot_handle, inode);
2857 spin_unlock(&obj->oo_guard);
2859 ll_dirty_inode(inode, I_DIRTY_DATASYNC);
2860 LINVRNT(osd_invariant(obj));
2866 * Get the 64-bit version for an inode.
2868 static int osd_object_version_get(const struct lu_env *env,
2869 struct dt_object *dt, dt_obj_version_t *ver)
2871 struct inode *inode = osd_dt_obj(dt)->oo_inode;
2873 CDEBUG(D_INODE, "Get version "LPX64" for inode %lu\n",
2874 LDISKFS_I(inode)->i_fs_version, inode->i_ino);
2875 *ver = LDISKFS_I(inode)->i_fs_version;
2880 * Concurrency: @dt is read locked.
2882 static int osd_xattr_get(const struct lu_env *env, struct dt_object *dt,
2883 struct lu_buf *buf, const char *name,
2884 struct lustre_capa *capa)
2886 struct osd_object *obj = osd_dt_obj(dt);
2887 struct inode *inode = obj->oo_inode;
2888 struct osd_thread_info *info = osd_oti_get(env);
2889 struct dentry *dentry = &info->oti_obj_dentry;
2891 /* version get is not real XATTR but uses xattr API */
2892 if (strcmp(name, XATTR_NAME_VERSION) == 0) {
2893 /* for version we are just using xattr API but change inode
2895 LASSERT(buf->lb_len == sizeof(dt_obj_version_t));
2896 osd_object_version_get(env, dt, buf->lb_buf);
2897 return sizeof(dt_obj_version_t);
2900 LASSERT(dt_object_exists(dt) && !dt_object_remote(dt));
2901 LASSERT(inode->i_op != NULL && inode->i_op->getxattr != NULL);
2903 if (osd_object_auth(env, dt, capa, CAPA_OPC_META_READ))
2906 return __osd_xattr_get(inode, dentry, name, buf->lb_buf, buf->lb_len);
2910 static int osd_declare_xattr_set(const struct lu_env *env,
2911 struct dt_object *dt,
2912 const struct lu_buf *buf, const char *name,
2913 int fl, struct thandle *handle)
2915 struct osd_thandle *oh;
2917 LASSERT(handle != NULL);
2919 oh = container_of0(handle, struct osd_thandle, ot_super);
2920 LASSERT(oh->ot_handle == NULL);
2922 osd_trans_declare_op(env, oh, OSD_OT_XATTR_SET,
2923 strcmp(name, XATTR_NAME_VERSION) == 0 ?
2924 osd_dto_credits_noquota[DTO_ATTR_SET_BASE] :
2925 osd_dto_credits_noquota[DTO_XATTR_SET]);
2931 * Set the 64-bit version for object
2933 static void osd_object_version_set(const struct lu_env *env,
2934 struct dt_object *dt,
2935 dt_obj_version_t *new_version)
2937 struct inode *inode = osd_dt_obj(dt)->oo_inode;
2939 CDEBUG(D_INODE, "Set version "LPX64" (old "LPX64") for inode %lu\n",
2940 *new_version, LDISKFS_I(inode)->i_fs_version, inode->i_ino);
2942 LDISKFS_I(inode)->i_fs_version = *new_version;
2943 /** Version is set after all inode operations are finished,
2944 * so we should mark it dirty here */
2945 ll_dirty_inode(inode, I_DIRTY_DATASYNC);
2949 * Concurrency: @dt is write locked.
2951 static int osd_xattr_set(const struct lu_env *env, struct dt_object *dt,
2952 const struct lu_buf *buf, const char *name, int fl,
2953 struct thandle *handle, struct lustre_capa *capa)
2955 struct osd_object *obj = osd_dt_obj(dt);
2956 struct inode *inode = obj->oo_inode;
2957 struct osd_thread_info *info = osd_oti_get(env);
2961 LASSERT(handle != NULL);
2963 /* version set is not real XATTR */
2964 if (strcmp(name, XATTR_NAME_VERSION) == 0) {
2965 /* for version we are just using xattr API but change inode
2967 LASSERT(buf->lb_len == sizeof(dt_obj_version_t));
2968 osd_object_version_set(env, dt, buf->lb_buf);
2969 return sizeof(dt_obj_version_t);
2972 if (osd_object_auth(env, dt, capa, CAPA_OPC_META_WRITE))
2975 CDEBUG(D_INODE, DFID" set xattr '%s' with size %zd\n",
2976 PFID(lu_object_fid(&dt->do_lu)), name, buf->lb_len);
2978 osd_trans_exec_op(env, handle, OSD_OT_XATTR_SET);
2979 if (fl & LU_XATTR_REPLACE)
2980 fs_flags |= XATTR_REPLACE;
2982 if (fl & LU_XATTR_CREATE)
2983 fs_flags |= XATTR_CREATE;
2985 return __osd_xattr_set(info, inode, name, buf->lb_buf, buf->lb_len,
2990 * Concurrency: @dt is read locked.
2992 static int osd_xattr_list(const struct lu_env *env, struct dt_object *dt,
2993 struct lu_buf *buf, struct lustre_capa *capa)
2995 struct osd_object *obj = osd_dt_obj(dt);
2996 struct inode *inode = obj->oo_inode;
2997 struct osd_thread_info *info = osd_oti_get(env);
2998 struct dentry *dentry = &info->oti_obj_dentry;
3000 LASSERT(dt_object_exists(dt) && !dt_object_remote(dt));
3001 LASSERT(inode->i_op != NULL && inode->i_op->listxattr != NULL);
3002 LASSERT(osd_read_locked(env, obj) || osd_write_locked(env, obj));
3004 if (osd_object_auth(env, dt, capa, CAPA_OPC_META_READ))
3007 dentry->d_inode = inode;
3008 dentry->d_sb = inode->i_sb;
3009 return inode->i_op->listxattr(dentry, buf->lb_buf, buf->lb_len);
3012 static int osd_declare_xattr_del(const struct lu_env *env,
3013 struct dt_object *dt, const char *name,
3014 struct thandle *handle)
3016 struct osd_thandle *oh;
3018 LASSERT(dt_object_exists(dt) && !dt_object_remote(dt));
3019 LASSERT(handle != NULL);
3021 oh = container_of0(handle, struct osd_thandle, ot_super);
3022 LASSERT(oh->ot_handle == NULL);
3024 osd_trans_declare_op(env, oh, OSD_OT_XATTR_SET,
3025 osd_dto_credits_noquota[DTO_XATTR_SET]);
3031 * Concurrency: @dt is write locked.
3033 static int osd_xattr_del(const struct lu_env *env, struct dt_object *dt,
3034 const char *name, struct thandle *handle,
3035 struct lustre_capa *capa)
3037 struct osd_object *obj = osd_dt_obj(dt);
3038 struct inode *inode = obj->oo_inode;
3039 struct osd_thread_info *info = osd_oti_get(env);
3040 struct dentry *dentry = &info->oti_obj_dentry;
3043 LASSERT(dt_object_exists(dt) && !dt_object_remote(dt));
3044 LASSERT(inode->i_op != NULL && inode->i_op->removexattr != NULL);
3045 LASSERT(handle != NULL);
3047 if (osd_object_auth(env, dt, capa, CAPA_OPC_META_WRITE))
3050 osd_trans_exec_op(env, handle, OSD_OT_XATTR_SET);
3052 ll_vfs_dq_init(inode);
3053 dentry->d_inode = inode;
3054 dentry->d_sb = inode->i_sb;
3055 rc = inode->i_op->removexattr(dentry, name);
3059 static struct obd_capa *osd_capa_get(const struct lu_env *env,
3060 struct dt_object *dt,
3061 struct lustre_capa *old, __u64 opc)
3063 struct osd_thread_info *info = osd_oti_get(env);
3064 const struct lu_fid *fid = lu_object_fid(&dt->do_lu);
3065 struct osd_object *obj = osd_dt_obj(dt);
3066 struct osd_device *osd = osd_obj2dev(obj);
3067 struct lustre_capa_key *key = &info->oti_capa_key;
3068 struct lustre_capa *capa = &info->oti_capa;
3069 struct obd_capa *oc;
3070 struct lu_capainfo *lci;
3074 if (!osd->od_fl_capa)
3075 RETURN(ERR_PTR(-ENOENT));
3077 LASSERT(dt_object_exists(dt) && !dt_object_remote(dt));
3078 LINVRNT(osd_invariant(obj));
3080 /* renewal sanity check */
3081 if (old && osd_object_auth(env, dt, old, opc))
3082 RETURN(ERR_PTR(-EACCES));
3084 lci = lu_capainfo_get(env);
3085 if (unlikely(lci == NULL))
3086 RETURN(ERR_PTR(-ENOENT));
3088 switch (lci->lci_auth) {
3092 capa->lc_uid = obj->oo_inode->i_uid;
3093 capa->lc_gid = obj->oo_inode->i_gid;
3094 capa->lc_flags = LC_ID_PLAIN;
3096 case LC_ID_CONVERT: {
3099 s[0] = obj->oo_inode->i_uid;
3100 cfs_get_random_bytes(&(s[1]), sizeof(__u32));
3101 s[2] = obj->oo_inode->i_gid;
3102 cfs_get_random_bytes(&(s[3]), sizeof(__u32));
3103 rc = capa_encrypt_id(d, s, key->lk_key, CAPA_HMAC_KEY_MAX_LEN);
3105 RETURN(ERR_PTR(rc));
3107 capa->lc_uid = ((__u64)d[1] << 32) | d[0];
3108 capa->lc_gid = ((__u64)d[3] << 32) | d[2];
3109 capa->lc_flags = LC_ID_CONVERT;
3113 RETURN(ERR_PTR(-EINVAL));
3116 capa->lc_fid = *fid;
3118 capa->lc_flags |= osd->od_capa_alg << 24;
3119 capa->lc_timeout = osd->od_capa_timeout;
3120 capa->lc_expiry = 0;
3122 oc = capa_lookup(osd->od_capa_hash, capa, 1);
3124 LASSERT(!capa_is_expired(oc));
3128 spin_lock(&capa_lock);
3129 *key = osd->od_capa_keys[1];
3130 spin_unlock(&capa_lock);
3132 capa->lc_keyid = key->lk_keyid;
3133 capa->lc_expiry = cfs_time_current_sec() + osd->od_capa_timeout;
3135 rc = capa_hmac(capa->lc_hmac, capa, key->lk_key);
3137 DEBUG_CAPA(D_ERROR, capa, "HMAC failed: %d for", rc);
3138 RETURN(ERR_PTR(rc));
3141 oc = capa_add(osd->od_capa_hash, capa);
3145 static int osd_object_sync(const struct lu_env *env, struct dt_object *dt)
3147 struct osd_object *obj = osd_dt_obj(dt);
3148 struct inode *inode = obj->oo_inode;
3149 struct osd_thread_info *info = osd_oti_get(env);
3150 struct dentry *dentry = &info->oti_obj_dentry;
3151 struct file *file = &info->oti_file;
3156 dentry->d_inode = inode;
3157 dentry->d_sb = inode->i_sb;
3158 file->f_dentry = dentry;
3159 file->f_mapping = inode->i_mapping;
3160 file->f_op = inode->i_fop;
3161 set_file_inode(file, inode);
3162 #ifndef HAVE_FILE_FSYNC_4ARGS
3163 mutex_lock(&inode->i_mutex);
3165 rc = do_fsync(file, 0);
3166 #ifndef HAVE_FILE_FSYNC_4ARGS
3167 mutex_unlock(&inode->i_mutex);
3172 static int osd_data_get(const struct lu_env *env, struct dt_object *dt,
3175 struct osd_object *obj = osd_dt_obj(dt);
3178 *data = (void *)obj->oo_inode;
3186 static int osd_iam_index_probe(const struct lu_env *env, struct osd_object *o,
3187 const struct dt_index_features *feat)
3189 struct iam_descr *descr;
3191 if (osd_object_is_root(o))
3192 return feat == &dt_directory_features;
3194 LASSERT(o->oo_dir != NULL);
3196 descr = o->oo_dir->od_container.ic_descr;
3197 if (feat == &dt_directory_features) {
3198 if (descr->id_rec_size == sizeof(struct osd_fid_pack))
3204 feat->dif_keysize_min <= descr->id_key_size &&
3205 descr->id_key_size <= feat->dif_keysize_max &&
3206 feat->dif_recsize_min <= descr->id_rec_size &&
3207 descr->id_rec_size <= feat->dif_recsize_max &&
3208 !(feat->dif_flags & (DT_IND_VARKEY |
3209 DT_IND_VARREC | DT_IND_NONUNQ)) &&
3210 ergo(feat->dif_flags & DT_IND_UPDATE,
3211 1 /* XXX check that object (and file system) is
3216 static int osd_iam_container_init(const struct lu_env *env,
3217 struct osd_object *obj,
3218 struct osd_directory *dir)
3220 struct iam_container *bag = &dir->od_container;
3223 result = iam_container_init(bag, &dir->od_descr, obj->oo_inode);
3227 result = iam_container_setup(bag);
3229 obj->oo_dt.do_index_ops = &osd_index_iam_ops;
3231 iam_container_fini(bag);
3238 * Concurrency: no external locking is necessary.
3240 static int osd_index_try(const struct lu_env *env, struct dt_object *dt,
3241 const struct dt_index_features *feat)
3245 struct osd_object *obj = osd_dt_obj(dt);
3247 LINVRNT(osd_invariant(obj));
3249 if (osd_object_is_root(obj)) {
3250 dt->do_index_ops = &osd_index_ea_ops;
3252 } else if (feat == &dt_directory_features) {
3253 dt->do_index_ops = &osd_index_ea_ops;
3254 if (obj->oo_inode != NULL && S_ISDIR(obj->oo_inode->i_mode))
3259 } else if (unlikely(feat == &dt_otable_features)) {
3260 dt->do_index_ops = &osd_otable_ops;
3262 } else if (unlikely(feat == &dt_acct_features)) {
3263 dt->do_index_ops = &osd_acct_index_ops;
3266 } else if (!osd_has_index(obj)) {
3267 struct osd_directory *dir;
3272 spin_lock(&obj->oo_guard);
3273 if (obj->oo_dir == NULL)
3277 * Concurrent thread allocated container data.
3280 spin_unlock(&obj->oo_guard);
3282 * Now, that we have container data, serialize its
3285 down_write(&obj->oo_ext_idx_sem);
3287 * recheck under lock.
3289 if (!osd_has_index(obj))
3290 result = osd_iam_container_init(env, obj, dir);
3293 up_write(&obj->oo_ext_idx_sem);
3301 if (result == 0 && skip_iam == 0) {
3302 if (!osd_iam_index_probe(env, obj, feat))
3305 LINVRNT(osd_invariant(obj));
3307 if (result == 0 && is_quota_glb_feat(feat) &&
3308 fid_seq(lu_object_fid(&dt->do_lu)) == FID_SEQ_QUOTA_GLB)
3309 result = osd_quota_migration(env, dt, feat);
3314 static int osd_otable_it_attr_get(const struct lu_env *env,
3315 struct dt_object *dt,
3316 struct lu_attr *attr,
3317 struct lustre_capa *capa)
3323 static const struct dt_object_operations osd_obj_ops = {
3324 .do_read_lock = osd_object_read_lock,
3325 .do_write_lock = osd_object_write_lock,
3326 .do_read_unlock = osd_object_read_unlock,
3327 .do_write_unlock = osd_object_write_unlock,
3328 .do_write_locked = osd_object_write_locked,
3329 .do_attr_get = osd_attr_get,
3330 .do_declare_attr_set = osd_declare_attr_set,
3331 .do_attr_set = osd_attr_set,
3332 .do_ah_init = osd_ah_init,
3333 .do_declare_create = osd_declare_object_create,
3334 .do_create = osd_object_create,
3335 .do_declare_destroy = osd_declare_object_destroy,
3336 .do_destroy = osd_object_destroy,
3337 .do_index_try = osd_index_try,
3338 .do_declare_ref_add = osd_declare_object_ref_add,
3339 .do_ref_add = osd_object_ref_add,
3340 .do_declare_ref_del = osd_declare_object_ref_del,
3341 .do_ref_del = osd_object_ref_del,
3342 .do_xattr_get = osd_xattr_get,
3343 .do_declare_xattr_set = osd_declare_xattr_set,
3344 .do_xattr_set = osd_xattr_set,
3345 .do_declare_xattr_del = osd_declare_xattr_del,
3346 .do_xattr_del = osd_xattr_del,
3347 .do_xattr_list = osd_xattr_list,
3348 .do_capa_get = osd_capa_get,
3349 .do_object_sync = osd_object_sync,
3350 .do_data_get = osd_data_get,
3354 * dt_object_operations for interoperability mode
3355 * (i.e. to run 2.0 mds on 1.8 disk) (b11826)
3357 static const struct dt_object_operations osd_obj_ea_ops = {
3358 .do_read_lock = osd_object_read_lock,
3359 .do_write_lock = osd_object_write_lock,
3360 .do_read_unlock = osd_object_read_unlock,
3361 .do_write_unlock = osd_object_write_unlock,
3362 .do_write_locked = osd_object_write_locked,
3363 .do_attr_get = osd_attr_get,
3364 .do_declare_attr_set = osd_declare_attr_set,
3365 .do_attr_set = osd_attr_set,
3366 .do_ah_init = osd_ah_init,
3367 .do_declare_create = osd_declare_object_create,
3368 .do_create = osd_object_ea_create,
3369 .do_declare_destroy = osd_declare_object_destroy,
3370 .do_destroy = osd_object_destroy,
3371 .do_index_try = osd_index_try,
3372 .do_declare_ref_add = osd_declare_object_ref_add,
3373 .do_ref_add = osd_object_ref_add,
3374 .do_declare_ref_del = osd_declare_object_ref_del,
3375 .do_ref_del = osd_object_ref_del,
3376 .do_xattr_get = osd_xattr_get,
3377 .do_declare_xattr_set = osd_declare_xattr_set,
3378 .do_xattr_set = osd_xattr_set,
3379 .do_declare_xattr_del = osd_declare_xattr_del,
3380 .do_xattr_del = osd_xattr_del,
3381 .do_xattr_list = osd_xattr_list,
3382 .do_capa_get = osd_capa_get,
3383 .do_object_sync = osd_object_sync,
3384 .do_data_get = osd_data_get,
3387 static const struct dt_object_operations osd_obj_otable_it_ops = {
3388 .do_attr_get = osd_otable_it_attr_get,
3389 .do_index_try = osd_index_try,
3392 static int osd_index_declare_iam_delete(const struct lu_env *env,
3393 struct dt_object *dt,
3394 const struct dt_key *key,
3395 struct thandle *handle)
3397 struct osd_thandle *oh;
3399 oh = container_of0(handle, struct osd_thandle, ot_super);
3400 LASSERT(oh->ot_handle == NULL);
3402 osd_trans_declare_op(env, oh, OSD_OT_DELETE,
3403 osd_dto_credits_noquota[DTO_INDEX_DELETE]);
3409 * delete a (key, value) pair from index \a dt specified by \a key
3411 * \param dt osd index object
3412 * \param key key for index
3413 * \param rec record reference
3414 * \param handle transaction handler
3417 * \retval -ve failure
3420 static int osd_index_iam_delete(const struct lu_env *env, struct dt_object *dt,
3421 const struct dt_key *key,
3422 struct thandle *handle,
3423 struct lustre_capa *capa)
3425 struct osd_thread_info *oti = osd_oti_get(env);
3426 struct osd_object *obj = osd_dt_obj(dt);
3427 struct osd_thandle *oh;
3428 struct iam_path_descr *ipd;
3429 struct iam_container *bag = &obj->oo_dir->od_container;
3434 LINVRNT(osd_invariant(obj));
3435 LASSERT(dt_object_exists(dt) && !dt_object_remote(dt));
3436 LASSERT(bag->ic_object == obj->oo_inode);
3437 LASSERT(handle != NULL);
3439 if (osd_object_auth(env, dt, capa, CAPA_OPC_INDEX_DELETE))
3442 osd_trans_exec_op(env, handle, OSD_OT_DELETE);
3444 ipd = osd_idx_ipd_get(env, bag);
3445 if (unlikely(ipd == NULL))
3448 oh = container_of0(handle, struct osd_thandle, ot_super);
3449 LASSERT(oh->ot_handle != NULL);
3450 LASSERT(oh->ot_handle->h_transaction != NULL);
3452 if (fid_is_quota(lu_object_fid(&dt->do_lu))) {
3453 /* swab quota uid/gid provided by caller */
3454 oti->oti_quota_id = cpu_to_le64(*((__u64 *)key));
3455 key = (const struct dt_key *)&oti->oti_quota_id;
3458 rc = iam_delete(oh->ot_handle, bag, (const struct iam_key *)key, ipd);
3459 osd_ipd_put(env, bag, ipd);
3460 LINVRNT(osd_invariant(obj));
3464 static int osd_index_declare_ea_delete(const struct lu_env *env,
3465 struct dt_object *dt,
3466 const struct dt_key *key,
3467 struct thandle *handle)
3469 struct osd_thandle *oh;
3470 struct inode *inode;
3474 LASSERT(dt_object_exists(dt) && !dt_object_remote(dt));
3475 LASSERT(handle != NULL);
3477 oh = container_of0(handle, struct osd_thandle, ot_super);
3478 LASSERT(oh->ot_handle == NULL);
3480 osd_trans_declare_op(env, oh, OSD_OT_DELETE,
3481 osd_dto_credits_noquota[DTO_INDEX_DELETE]);
3483 inode = osd_dt_obj(dt)->oo_inode;
3486 rc = osd_declare_inode_qid(env, inode->i_uid, inode->i_gid, 0, oh,
3487 true, true, NULL, false);
3491 static inline int osd_get_fid_from_dentry(struct ldiskfs_dir_entry_2 *de,
3494 struct osd_fid_pack *rec;
3497 if (de->file_type & LDISKFS_DIRENT_LUFID) {
3498 rec = (struct osd_fid_pack *) (de->name + de->name_len + 1);
3499 rc = osd_fid_unpack((struct lu_fid *)fid, rec);
3504 static int osd_remote_fid(const struct lu_env *env, struct osd_device *osd,
3509 /* FID seqs not in FLDB, must be local seq */
3510 if (unlikely(!fid_seq_in_fldb(fid_seq(fid))))
3513 if (osd_seq_exists(env, osd, fid_seq(fid)))
3520 * Index delete function for interoperability mode (b11826).
3521 * It will remove the directory entry added by osd_index_ea_insert().
3522 * This entry is needed to maintain name->fid mapping.
3524 * \param key, key i.e. file entry to be deleted
3526 * \retval 0, on success
3527 * \retval -ve, on error
3529 static int osd_index_ea_delete(const struct lu_env *env, struct dt_object *dt,
3530 const struct dt_key *key,
3531 struct thandle *handle,
3532 struct lustre_capa *capa)
3534 struct osd_object *obj = osd_dt_obj(dt);
3535 struct inode *dir = obj->oo_inode;
3536 struct dentry *dentry;
3537 struct osd_thandle *oh;
3538 struct ldiskfs_dir_entry_2 *de = NULL;
3539 struct buffer_head *bh;
3540 struct htree_lock *hlock = NULL;
3541 struct lu_fid *fid = &osd_oti_get(env)->oti_fid;
3542 struct osd_device *osd = osd_dev(dt->do_lu.lo_dev);
3546 LINVRNT(osd_invariant(obj));
3547 LASSERT(dt_object_exists(dt) && !dt_object_remote(dt));
3548 LASSERT(handle != NULL);
3550 osd_trans_exec_op(env, handle, OSD_OT_DELETE);
3552 oh = container_of(handle, struct osd_thandle, ot_super);
3553 LASSERT(oh->ot_handle != NULL);
3554 LASSERT(oh->ot_handle->h_transaction != NULL);
3556 if (osd_object_auth(env, dt, capa, CAPA_OPC_INDEX_DELETE))
3559 ll_vfs_dq_init(dir);
3560 dentry = osd_child_dentry_get(env, obj,
3561 (char *)key, strlen((char *)key));
3563 if (obj->oo_hl_head != NULL) {
3564 hlock = osd_oti_get(env)->oti_hlock;
3565 ldiskfs_htree_lock(hlock, obj->oo_hl_head,
3566 dir, LDISKFS_HLOCK_DEL);
3568 down_write(&obj->oo_ext_idx_sem);
3571 bh = osd_ldiskfs_find_entry(dir, &dentry->d_name, &de, NULL, hlock);
3575 /* If this is not the ".." entry, it might be a remote DNE
3576 * entry and we need to check if the FID is for a remote
3577 * MDT. If the FID is not in the directory entry (e.g.
3578 * upgraded 1.8 filesystem without dirdata enabled) then
3579 * we need to get the FID from the LMA. For a remote directory
3580 * there HAS to be an LMA, it cannot be an IGIF inode in this
3583 * Delete the entry before the agent inode in order to
3584 * simplify error handling. At worst an error after deleting
3585 * the entry first might leak the agent inode afterward. The
3586 * reverse would need filesystem abort in case of error deleting
3587 * the entry after the agent had been removed, or leave a
3588 * dangling entry pointing at a random inode. */
3589 if (strcmp((char *)key, dotdot) != 0) {
3590 LASSERT(de != NULL);
3591 rc = osd_get_fid_from_dentry(de, (struct dt_rec *)fid);
3592 /* If Fid is not in dentry, try to get it from LMA */
3593 if (rc == -ENODATA) {
3594 struct osd_inode_id *id;
3595 struct inode *inode;
3597 /* Before trying to get fid from the inode,
3598 * check whether the inode is valid.
3600 * If the inode has been deleted, do not go
3601 * ahead to do osd_ea_fid_get, which will set
3602 * the inode to bad inode, which might cause
3603 * the inode to be deleted uncorrectly */
3604 inode = ldiskfs_iget(osd_sb(osd),
3605 le32_to_cpu(de->inode));
3606 if (IS_ERR(inode)) {
3607 CDEBUG(D_INODE, "%s: "DFID"get inode"
3608 "error.\n", osd_name(osd),
3610 rc = PTR_ERR(inode);
3612 if (likely(inode->i_nlink != 0)) {
3613 id = &osd_oti_get(env)->oti_id;
3614 rc = osd_ea_fid_get(env, obj,
3615 le32_to_cpu(de->inode),
3618 CDEBUG(D_INFO, "%s: %u "DFID
3621 le32_to_cpu(de->inode),
3629 unlikely(osd_remote_fid(env, osd, fid)))
3630 /* Need to delete agent inode */
3631 ino = le32_to_cpu(de->inode);
3633 rc = ldiskfs_delete_entry(oh->ot_handle, dir, de, bh);
3635 if (rc == 0 && unlikely(ino != 0)) {
3636 rc = osd_delete_local_agent_inode(env, osd, fid, ino,
3639 CERROR("%s: del local inode "DFID": rc = %d\n",
3640 osd_name(osd), PFID(fid), rc);
3646 ldiskfs_htree_unlock(hlock);
3648 up_write(&obj->oo_ext_idx_sem);
3653 /* For inode on the remote MDT, .. will point to
3654 * /Agent directory, Check whether it needs to delete
3655 * from agent directory */
3656 if (unlikely(strcmp((char *)key, dotdot) == 0)) {
3657 rc = osd_delete_from_remote_parent(env, osd_obj2dev(obj), obj,
3659 if (rc != 0 && rc != -ENOENT) {
3660 CERROR("%s: delete agent inode "DFID": rc = %d\n",
3661 osd_name(osd), PFID(fid), rc);
3671 LASSERT(osd_invariant(obj));
3676 * Lookup index for \a key and copy record to \a rec.
3678 * \param dt osd index object
3679 * \param key key for index
3680 * \param rec record reference
3682 * \retval +ve success : exact mach
3683 * \retval 0 return record with key not greater than \a key
3684 * \retval -ve failure
3686 static int osd_index_iam_lookup(const struct lu_env *env, struct dt_object *dt,
3687 struct dt_rec *rec, const struct dt_key *key,
3688 struct lustre_capa *capa)
3690 struct osd_object *obj = osd_dt_obj(dt);
3691 struct iam_path_descr *ipd;
3692 struct iam_container *bag = &obj->oo_dir->od_container;
3693 struct osd_thread_info *oti = osd_oti_get(env);
3694 struct iam_iterator *it = &oti->oti_idx_it;
3695 struct iam_rec *iam_rec;
3700 LASSERT(osd_invariant(obj));
3701 LASSERT(dt_object_exists(dt) && !dt_object_remote(dt));
3702 LASSERT(bag->ic_object == obj->oo_inode);
3704 if (osd_object_auth(env, dt, capa, CAPA_OPC_INDEX_LOOKUP))
3707 ipd = osd_idx_ipd_get(env, bag);
3711 /* got ipd now we can start iterator. */
3712 iam_it_init(it, bag, 0, ipd);
3714 if (fid_is_quota(lu_object_fid(&dt->do_lu))) {
3715 /* swab quota uid/gid provided by caller */
3716 oti->oti_quota_id = cpu_to_le64(*((__u64 *)key));
3717 key = (const struct dt_key *)&oti->oti_quota_id;
3720 rc = iam_it_get(it, (struct iam_key *)key);
3722 if (S_ISDIR(obj->oo_inode->i_mode))
3723 iam_rec = (struct iam_rec *)oti->oti_ldp;
3725 iam_rec = (struct iam_rec *) rec;
3727 iam_reccpy(&it->ii_path.ip_leaf, (struct iam_rec *)iam_rec);
3729 if (S_ISDIR(obj->oo_inode->i_mode))
3730 osd_fid_unpack((struct lu_fid *) rec,
3731 (struct osd_fid_pack *)iam_rec);
3732 else if (fid_is_quota(lu_object_fid(&dt->do_lu)))
3733 osd_quota_unpack(obj, rec);
3738 osd_ipd_put(env, bag, ipd);
3740 LINVRNT(osd_invariant(obj));
3745 static int osd_index_declare_iam_insert(const struct lu_env *env,
3746 struct dt_object *dt,
3747 const struct dt_rec *rec,
3748 const struct dt_key *key,
3749 struct thandle *handle)
3751 struct osd_thandle *oh;
3753 LASSERT(handle != NULL);
3755 oh = container_of0(handle, struct osd_thandle, ot_super);
3756 LASSERT(oh->ot_handle == NULL);
3758 osd_trans_declare_op(env, oh, OSD_OT_INSERT,
3759 osd_dto_credits_noquota[DTO_INDEX_INSERT]);
3765 * Inserts (key, value) pair in \a dt index object.
3767 * \param dt osd index object
3768 * \param key key for index
3769 * \param rec record reference
3770 * \param th transaction handler
3773 * \retval -ve failure
3775 static int osd_index_iam_insert(const struct lu_env *env, struct dt_object *dt,
3776 const struct dt_rec *rec,
3777 const struct dt_key *key, struct thandle *th,
3778 struct lustre_capa *capa, int ignore_quota)
3780 struct osd_object *obj = osd_dt_obj(dt);
3781 struct iam_path_descr *ipd;
3782 struct osd_thandle *oh;
3783 struct iam_container *bag = &obj->oo_dir->od_container;
3784 struct osd_thread_info *oti = osd_oti_get(env);
3785 struct iam_rec *iam_rec;
3790 LINVRNT(osd_invariant(obj));
3791 LASSERT(dt_object_exists(dt) && !dt_object_remote(dt));
3792 LASSERT(bag->ic_object == obj->oo_inode);
3793 LASSERT(th != NULL);
3795 if (osd_object_auth(env, dt, capa, CAPA_OPC_INDEX_INSERT))
3798 osd_trans_exec_op(env, th, OSD_OT_INSERT);
3800 ipd = osd_idx_ipd_get(env, bag);
3801 if (unlikely(ipd == NULL))
3804 oh = container_of0(th, struct osd_thandle, ot_super);
3805 LASSERT(oh->ot_handle != NULL);
3806 LASSERT(oh->ot_handle->h_transaction != NULL);
3807 if (S_ISDIR(obj->oo_inode->i_mode)) {
3808 iam_rec = (struct iam_rec *)oti->oti_ldp;
3809 osd_fid_pack((struct osd_fid_pack *)iam_rec, rec, &oti->oti_fid);
3810 } else if (fid_is_quota(lu_object_fid(&dt->do_lu))) {
3811 /* pack quota uid/gid */
3812 oti->oti_quota_id = cpu_to_le64(*((__u64 *)key));
3813 key = (const struct dt_key *)&oti->oti_quota_id;
3814 /* pack quota record */
3815 rec = osd_quota_pack(obj, rec, &oti->oti_quota_rec);
3816 iam_rec = (struct iam_rec *)rec;
3818 iam_rec = (struct iam_rec *)rec;
3821 rc = iam_insert(oh->ot_handle, bag, (const struct iam_key *)key,
3823 osd_ipd_put(env, bag, ipd);
3824 LINVRNT(osd_invariant(obj));
3829 * Calls ldiskfs_add_entry() to add directory entry
3830 * into the directory. This is required for
3831 * interoperability mode (b11826)
3833 * \retval 0, on success
3834 * \retval -ve, on error
3836 static int __osd_ea_add_rec(struct osd_thread_info *info,
3837 struct osd_object *pobj, struct inode *cinode,
3838 const char *name, const struct dt_rec *fid,
3839 struct htree_lock *hlock, struct thandle *th)
3841 struct ldiskfs_dentry_param *ldp;
3842 struct dentry *child;
3843 struct osd_thandle *oth;
3846 oth = container_of(th, struct osd_thandle, ot_super);
3847 LASSERT(oth->ot_handle != NULL);
3848 LASSERT(oth->ot_handle->h_transaction != NULL);
3849 LASSERT(pobj->oo_inode);
3851 ldp = (struct ldiskfs_dentry_param *)info->oti_ldp;
3852 if (unlikely(pobj->oo_inode ==
3853 osd_sb(osd_obj2dev(pobj))->s_root->d_inode))
3856 osd_get_ldiskfs_dirent_param(ldp, fid);
3857 child = osd_child_dentry_get(info->oti_env, pobj, name, strlen(name));
3858 child->d_fsdata = (void *)ldp;
3859 ll_vfs_dq_init(pobj->oo_inode);
3860 rc = osd_ldiskfs_add_entry(oth->ot_handle, child, cinode, hlock);
3866 * Calls ldiskfs_add_dot_dotdot() to add dot and dotdot entries
3867 * into the directory.Also sets flags into osd object to
3868 * indicate dot and dotdot are created. This is required for
3869 * interoperability mode (b11826)
3871 * \param dir directory for dot and dotdot fixup.
3872 * \param obj child object for linking
3874 * \retval 0, on success
3875 * \retval -ve, on error
3877 static int osd_add_dot_dotdot(struct osd_thread_info *info,
3878 struct osd_object *dir,
3879 struct inode *parent_dir, const char *name,
3880 const struct dt_rec *dot_fid,
3881 const struct dt_rec *dot_dot_fid,
3884 struct inode *inode = dir->oo_inode;
3885 struct osd_thandle *oth;
3888 oth = container_of(th, struct osd_thandle, ot_super);
3889 LASSERT(oth->ot_handle->h_transaction != NULL);
3890 LASSERT(S_ISDIR(dir->oo_inode->i_mode));
3892 if (strcmp(name, dot) == 0) {
3893 if (dir->oo_compat_dot_created) {
3896 LASSERT(inode == parent_dir);
3897 dir->oo_compat_dot_created = 1;
3900 } else if (strcmp(name, dotdot) == 0) {
3901 if (!dir->oo_compat_dot_created)
3903 /* in case of rename, dotdot is already created */
3904 if (dir->oo_compat_dotdot_created) {
3905 return __osd_ea_add_rec(info, dir, parent_dir, name,
3906 dot_dot_fid, NULL, th);
3909 result = osd_add_dot_dotdot_internal(info, dir->oo_inode,
3910 parent_dir, dot_fid,
3913 dir->oo_compat_dotdot_created = 1;
3921 * It will call the appropriate osd_add* function and return the
3922 * value, return by respective functions.
3924 static int osd_ea_add_rec(const struct lu_env *env, struct osd_object *pobj,
3925 struct inode *cinode, const char *name,
3926 const struct dt_rec *fid, struct thandle *th)
3928 struct osd_thread_info *info = osd_oti_get(env);
3929 struct htree_lock *hlock;
3932 hlock = pobj->oo_hl_head != NULL ? info->oti_hlock : NULL;
3934 if (name[0] == '.' && (name[1] == '\0' || (name[1] == '.' &&
3936 if (hlock != NULL) {
3937 ldiskfs_htree_lock(hlock, pobj->oo_hl_head,
3940 down_write(&pobj->oo_ext_idx_sem);
3942 rc = osd_add_dot_dotdot(info, pobj, cinode, name,
3943 (struct dt_rec *)lu_object_fid(&pobj->oo_dt.do_lu),
3946 if (hlock != NULL) {
3947 ldiskfs_htree_lock(hlock, pobj->oo_hl_head,
3948 pobj->oo_inode, LDISKFS_HLOCK_ADD);
3950 down_write(&pobj->oo_ext_idx_sem);
3953 if (OBD_FAIL_CHECK(OBD_FAIL_FID_INDIR)) {
3954 struct lu_fid *tfid = &info->oti_fid;
3956 *tfid = *(const struct lu_fid *)fid;
3958 rc = __osd_ea_add_rec(info, pobj, cinode, name,
3959 (const struct dt_rec *)tfid,
3962 rc = __osd_ea_add_rec(info, pobj, cinode, name, fid,
3967 ldiskfs_htree_unlock(hlock);
3969 up_write(&pobj->oo_ext_idx_sem);
3975 osd_consistency_check(struct osd_thread_info *oti, struct osd_device *dev,
3976 struct osd_idmap_cache *oic)
3978 struct osd_scrub *scrub = &dev->od_scrub;
3979 struct lu_fid *fid = &oic->oic_fid;
3980 struct osd_inode_id *id = &oti->oti_id;
3985 if (!fid_is_norm(fid) && !fid_is_igif(fid))
3989 rc = osd_oi_lookup(oti, dev, fid, id, OI_CHECK_FLD);
3990 if (rc != 0 && rc != -ENOENT)
3993 if (rc == 0 && osd_id_eq(id, &oic->oic_lid))
3996 if (thread_is_running(&scrub->os_thread)) {
3997 rc = osd_oii_insert(dev, oic, rc == -ENOENT);
3998 /* There is race condition between osd_oi_lookup and OI scrub.
3999 * The OI scrub finished just after osd_oi_lookup() failure.
4000 * Under such case, it is unnecessary to trigger OI scrub again,
4001 * but try to call osd_oi_lookup() again. */
4002 if (unlikely(rc == -EAGAIN))
4008 if (!dev->od_noscrub && ++once == 1) {
4009 rc = osd_scrub_start(dev);
4010 LCONSOLE_WARN("%.16s: trigger OI scrub by RPC for "DFID
4012 LDISKFS_SB(osd_sb(dev))->s_es->s_volume_name,
4021 static int osd_fail_fid_lookup(struct osd_thread_info *oti,
4022 struct osd_device *dev,
4023 struct osd_idmap_cache *oic,
4024 struct lu_fid *fid, __u32 ino)
4026 struct lustre_mdt_attrs *lma = &oti->oti_mdt_attrs;
4027 struct inode *inode;
4030 osd_id_gen(&oic->oic_lid, ino, OSD_OII_NOGEN);
4031 inode = osd_iget(oti, dev, &oic->oic_lid);
4032 if (IS_ERR(inode)) {
4033 fid_zero(&oic->oic_fid);
4034 return PTR_ERR(inode);
4037 rc = osd_get_lma(oti, inode, &oti->oti_obj_dentry, lma);
4040 fid_zero(&oic->oic_fid);
4042 *fid = oic->oic_fid = lma->lma_self_fid;
4046 int osd_add_oi_cache(struct osd_thread_info *info, struct osd_device *osd,
4047 struct osd_inode_id *id, const struct lu_fid *fid)
4049 CDEBUG(D_INODE, "add "DFID" %u:%u to info %p\n", PFID(fid),
4050 id->oii_ino, id->oii_gen, info);
4051 info->oti_cache.oic_lid = *id;
4052 info->oti_cache.oic_fid = *fid;
4053 info->oti_cache.oic_dev = osd;
4059 * Calls ->lookup() to find dentry. From dentry get inode and
4060 * read inode's ea to get fid. This is required for interoperability
4063 * \retval 0, on success
4064 * \retval -ve, on error
4066 static int osd_ea_lookup_rec(const struct lu_env *env, struct osd_object *obj,
4067 struct dt_rec *rec, const struct dt_key *key)
4069 struct inode *dir = obj->oo_inode;
4070 struct dentry *dentry;
4071 struct ldiskfs_dir_entry_2 *de;
4072 struct buffer_head *bh;
4073 struct lu_fid *fid = (struct lu_fid *) rec;
4074 struct htree_lock *hlock = NULL;
4079 LASSERT(dir->i_op != NULL && dir->i_op->lookup != NULL);
4081 dentry = osd_child_dentry_get(env, obj,
4082 (char *)key, strlen((char *)key));
4084 if (obj->oo_hl_head != NULL) {
4085 hlock = osd_oti_get(env)->oti_hlock;
4086 ldiskfs_htree_lock(hlock, obj->oo_hl_head,
4087 dir, LDISKFS_HLOCK_LOOKUP);
4089 down_read(&obj->oo_ext_idx_sem);
4092 bh = osd_ldiskfs_find_entry(dir, &dentry->d_name, &de, NULL, hlock);
4094 struct osd_thread_info *oti = osd_oti_get(env);
4095 struct osd_inode_id *id = &oti->oti_id;
4096 struct osd_idmap_cache *oic = &oti->oti_cache;
4097 struct osd_device *dev = osd_obj2dev(obj);
4098 struct osd_scrub *scrub = &dev->od_scrub;
4099 struct scrub_file *sf = &scrub->os_file;
4101 ino = le32_to_cpu(de->inode);
4102 if (OBD_FAIL_CHECK(OBD_FAIL_FID_LOOKUP)) {
4104 rc = osd_fail_fid_lookup(oti, dev, oic, fid, ino);
4108 rc = osd_get_fid_from_dentry(de, rec);
4110 /* done with de, release bh */
4113 rc = osd_ea_fid_get(env, obj, ino, fid, id);
4115 osd_id_gen(id, ino, OSD_OII_NOGEN);
4117 fid_zero(&oic->oic_fid);
4121 if (osd_remote_fid(env, dev, fid))
4124 rc = osd_add_oi_cache(osd_oti_get(env), osd_obj2dev(obj), id,
4128 if ((scrub->os_pos_current <= ino) &&
4129 ((sf->sf_flags & SF_INCONSISTENT) ||
4130 (sf->sf_flags & SF_UPGRADE && fid_is_igif(fid)) ||
4131 ldiskfs_test_bit(osd_oi_fid2idx(dev, fid),
4133 osd_consistency_check(oti, dev, oic);
4142 ldiskfs_htree_unlock(hlock);
4144 up_read(&obj->oo_ext_idx_sem);
4149 * Find the osd object for given fid.
4151 * \param fid need to find the osd object having this fid
4153 * \retval osd_object on success
4154 * \retval -ve on error
4156 struct osd_object *osd_object_find(const struct lu_env *env,
4157 struct dt_object *dt,
4158 const struct lu_fid *fid)
4160 struct lu_device *ludev = dt->do_lu.lo_dev;
4161 struct osd_object *child = NULL;
4162 struct lu_object *luch;
4163 struct lu_object *lo;
4166 * at this point topdev might not exist yet
4167 * (i.e. MGS is preparing profiles). so we can
4168 * not rely on topdev and instead lookup with
4169 * our device passed as topdev. this can't work
4170 * if the object isn't cached yet (as osd doesn't
4171 * allocate lu_header). IOW, the object must be
4172 * in the cache, otherwise lu_object_alloc() crashes
4175 luch = lu_object_find_at(env, ludev, fid, NULL);
4176 if (!IS_ERR(luch)) {
4177 if (lu_object_exists(luch)) {
4178 lo = lu_object_locate(luch->lo_header, ludev->ld_type);
4180 child = osd_obj(lo);
4182 LU_OBJECT_DEBUG(D_ERROR, env, luch,
4183 "lu_object can't be located"
4184 DFID"\n", PFID(fid));
4186 if (child == NULL) {
4187 lu_object_put(env, luch);
4188 CERROR("Unable to get osd_object\n");
4189 child = ERR_PTR(-ENOENT);
4192 LU_OBJECT_DEBUG(D_ERROR, env, luch,
4193 "lu_object does not exists "DFID"\n",
4195 lu_object_put(env, luch);
4196 child = ERR_PTR(-ENOENT);
4199 child = ERR_CAST(luch);
4206 * Put the osd object once done with it.
4208 * \param obj osd object that needs to be put
4210 static inline void osd_object_put(const struct lu_env *env,
4211 struct osd_object *obj)
4213 lu_object_put(env, &obj->oo_dt.do_lu);
4216 static int osd_index_declare_ea_insert(const struct lu_env *env,
4217 struct dt_object *dt,
4218 const struct dt_rec *rec,
4219 const struct dt_key *key,
4220 struct thandle *handle)
4222 struct osd_thandle *oh;
4223 struct osd_device *osd = osd_dev(dt->do_lu.lo_dev);
4224 struct lu_fid *fid = (struct lu_fid *)rec;
4228 LASSERT(dt_object_exists(dt) && !dt_object_remote(dt));
4229 LASSERT(handle != NULL);
4231 oh = container_of0(handle, struct osd_thandle, ot_super);
4232 LASSERT(oh->ot_handle == NULL);
4234 osd_trans_declare_op(env, oh, OSD_OT_INSERT,
4235 osd_dto_credits_noquota[DTO_INDEX_INSERT]);
4237 if (osd_dt_obj(dt)->oo_inode == NULL) {
4238 const char *name = (const char *)key;
4239 /* Object is not being created yet. Only happens when
4240 * 1. declare directory create
4241 * 2. declare insert .
4242 * 3. declare insert ..
4244 LASSERT(strcmp(name, dotdot) == 0 || strcmp(name, dot) == 0);
4246 struct inode *inode = osd_dt_obj(dt)->oo_inode;
4248 /* We ignore block quota on meta pool (MDTs), so needn't
4249 * calculate how many blocks will be consumed by this index
4251 rc = osd_declare_inode_qid(env, inode->i_uid, inode->i_gid, 0,
4252 oh, true, true, NULL, false);
4258 rc = osd_remote_fid(env, osd, fid);
4264 osd_trans_declare_op(env, oh, OSD_OT_CREATE,
4265 osd_dto_credits_noquota[DTO_OBJECT_CREATE]);
4266 osd_trans_declare_op(env, oh, OSD_OT_INSERT,
4267 osd_dto_credits_noquota[DTO_INDEX_INSERT] + 1);
4268 osd_trans_declare_op(env, oh, OSD_OT_INSERT,
4269 osd_dto_credits_noquota[DTO_INDEX_INSERT] + 1);
4275 * Index add function for interoperability mode (b11826).
4276 * It will add the directory entry.This entry is needed to
4277 * maintain name->fid mapping.
4279 * \param key it is key i.e. file entry to be inserted
4280 * \param rec it is value of given key i.e. fid
4282 * \retval 0, on success
4283 * \retval -ve, on error
4285 static int osd_index_ea_insert(const struct lu_env *env, struct dt_object *dt,
4286 const struct dt_rec *rec,
4287 const struct dt_key *key, struct thandle *th,
4288 struct lustre_capa *capa, int ignore_quota)
4290 struct osd_object *obj = osd_dt_obj(dt);
4291 struct osd_device *osd = osd_dev(dt->do_lu.lo_dev);
4292 struct lu_fid *fid = (struct lu_fid *) rec;
4293 const char *name = (const char *)key;
4294 struct osd_thread_info *oti = osd_oti_get(env);
4295 struct osd_inode_id *id = &oti->oti_id;
4296 struct inode *child_inode = NULL;
4297 struct osd_object *child = NULL;
4301 LASSERT(osd_invariant(obj));
4302 LASSERT(dt_object_exists(dt) && !dt_object_remote(dt));
4303 LASSERT(th != NULL);
4305 osd_trans_exec_op(env, th, OSD_OT_INSERT);
4307 if (osd_object_auth(env, dt, capa, CAPA_OPC_INDEX_INSERT))
4310 LASSERTF(fid_is_sane(fid), "fid"DFID" is insane!", PFID(fid));
4312 rc = osd_remote_fid(env, osd, fid);
4314 CERROR("%s: Can not find object "DFID" rc %d\n",
4315 osd_name(osd), PFID(fid), rc);
4320 /* Insert remote entry */
4321 if (strcmp(name, dotdot) == 0 && strlen(name) == 2) {
4322 struct osd_mdobj_map *omm = osd->od_mdt_map;
4323 struct osd_thandle *oh;
4325 /* If parent on remote MDT, we need put this object
4327 oh = container_of(th, typeof(*oh), ot_super);
4328 rc = osd_add_to_remote_parent(env, osd, obj, oh);
4330 CERROR("%s: add "DFID" error: rc = %d\n",
4332 PFID(lu_object_fid(&dt->do_lu)), rc);
4336 child_inode = igrab(omm->omm_remote_parent->d_inode);
4338 child_inode = osd_create_local_agent_inode(env, osd,
4341 if (IS_ERR(child_inode))
4342 RETURN(PTR_ERR(child_inode));
4345 /* Insert local entry */
4346 child = osd_object_find(env, dt, fid);
4347 if (IS_ERR(child)) {
4348 CERROR("%s: Can not find object "DFID"%u:%u: rc = %d\n",
4349 osd_name(osd), PFID(fid),
4350 id->oii_ino, id->oii_gen,
4351 (int)PTR_ERR(child));
4352 RETURN(PTR_ERR(child));
4354 child_inode = igrab(child->oo_inode);
4357 rc = osd_ea_add_rec(env, obj, child_inode, name, rec, th);
4361 osd_object_put(env, child);
4362 LASSERT(osd_invariant(obj));
4367 * Initialize osd Iterator for given osd index object.
4369 * \param dt osd index object
4372 static struct dt_it *osd_it_iam_init(const struct lu_env *env,
4373 struct dt_object *dt,
4375 struct lustre_capa *capa)
4377 struct osd_it_iam *it;
4378 struct osd_thread_info *oti = osd_oti_get(env);
4379 struct osd_object *obj = osd_dt_obj(dt);
4380 struct lu_object *lo = &dt->do_lu;
4381 struct iam_path_descr *ipd;
4382 struct iam_container *bag = &obj->oo_dir->od_container;
4384 LASSERT(lu_object_exists(lo));
4386 if (osd_object_auth(env, dt, capa, CAPA_OPC_BODY_READ))
4387 return ERR_PTR(-EACCES);
4390 ipd = osd_it_ipd_get(env, bag);
4391 if (likely(ipd != NULL)) {
4395 iam_it_init(&it->oi_it, bag, IAM_IT_MOVE, ipd);
4396 return (struct dt_it *)it;
4398 return ERR_PTR(-ENOMEM);
4402 * free given Iterator.
4405 static void osd_it_iam_fini(const struct lu_env *env, struct dt_it *di)
4407 struct osd_it_iam *it = (struct osd_it_iam *)di;
4408 struct osd_object *obj = it->oi_obj;
4410 iam_it_fini(&it->oi_it);
4411 osd_ipd_put(env, &obj->oo_dir->od_container, it->oi_ipd);
4412 lu_object_put(env, &obj->oo_dt.do_lu);
4416 * Move Iterator to record specified by \a key
4418 * \param di osd iterator
4419 * \param key key for index
4421 * \retval +ve di points to record with least key not larger than key
4422 * \retval 0 di points to exact matched key
4423 * \retval -ve failure
4426 static int osd_it_iam_get(const struct lu_env *env,
4427 struct dt_it *di, const struct dt_key *key)
4429 struct osd_thread_info *oti = osd_oti_get(env);
4430 struct osd_it_iam *it = (struct osd_it_iam *)di;
4432 if (fid_is_quota(lu_object_fid(&it->oi_obj->oo_dt.do_lu))) {
4433 /* swab quota uid/gid */
4434 oti->oti_quota_id = cpu_to_le64(*((__u64 *)key));
4435 key = (struct dt_key *)&oti->oti_quota_id;
4438 return iam_it_get(&it->oi_it, (const struct iam_key *)key);
4444 * \param di osd iterator
4446 static void osd_it_iam_put(const struct lu_env *env, struct dt_it *di)
4448 struct osd_it_iam *it = (struct osd_it_iam *)di;
4450 iam_it_put(&it->oi_it);
4454 * Move iterator by one record
4456 * \param di osd iterator
4458 * \retval +1 end of container reached
4460 * \retval -ve failure
4463 static int osd_it_iam_next(const struct lu_env *env, struct dt_it *di)
4465 struct osd_it_iam *it = (struct osd_it_iam *)di;
4467 return iam_it_next(&it->oi_it);
4471 * Return pointer to the key under iterator.
4474 static struct dt_key *osd_it_iam_key(const struct lu_env *env,
4475 const struct dt_it *di)
4477 struct osd_thread_info *oti = osd_oti_get(env);
4478 struct osd_it_iam *it = (struct osd_it_iam *)di;
4479 struct osd_object *obj = it->oi_obj;
4482 key = (struct dt_key *)iam_it_key_get(&it->oi_it);
4484 if (!IS_ERR(key) && fid_is_quota(lu_object_fid(&obj->oo_dt.do_lu))) {
4485 /* swab quota uid/gid */
4486 oti->oti_quota_id = le64_to_cpu(*((__u64 *)key));
4487 key = (struct dt_key *)&oti->oti_quota_id;
4494 * Return size of key under iterator (in bytes)
4497 static int osd_it_iam_key_size(const struct lu_env *env, const struct dt_it *di)
4499 struct osd_it_iam *it = (struct osd_it_iam *)di;
4501 return iam_it_key_size(&it->oi_it);
4505 osd_it_append_attrs(struct lu_dirent *ent, int len, __u16 type)
4507 /* check if file type is required */
4508 if (ent->lde_attrs & LUDA_TYPE) {
4509 struct luda_type *lt;
4510 int align = sizeof(*lt) - 1;
4512 len = (len + align) & ~align;
4513 lt = (struct luda_type *)(ent->lde_name + len);
4514 lt->lt_type = cpu_to_le16(DTTOIF(type));
4517 ent->lde_attrs = cpu_to_le32(ent->lde_attrs);
4521 * build lu direct from backend fs dirent.
4525 osd_it_pack_dirent(struct lu_dirent *ent, struct lu_fid *fid, __u64 offset,
4526 char *name, __u16 namelen, __u16 type, __u32 attr)
4528 ent->lde_attrs = attr | LUDA_FID;
4529 fid_cpu_to_le(&ent->lde_fid, fid);
4531 ent->lde_hash = cpu_to_le64(offset);
4532 ent->lde_reclen = cpu_to_le16(lu_dirent_calc_size(namelen, attr));
4534 strncpy(ent->lde_name, name, namelen);
4535 ent->lde_name[namelen] = '\0';
4536 ent->lde_namelen = cpu_to_le16(namelen);
4538 /* append lustre attributes */
4539 osd_it_append_attrs(ent, namelen, type);
4543 * Return pointer to the record under iterator.
4545 static int osd_it_iam_rec(const struct lu_env *env,
4546 const struct dt_it *di,
4547 struct dt_rec *dtrec, __u32 attr)
4549 struct osd_it_iam *it = (struct osd_it_iam *)di;
4550 struct osd_thread_info *info = osd_oti_get(env);
4553 if (S_ISDIR(it->oi_obj->oo_inode->i_mode)) {
4554 const struct osd_fid_pack *rec;
4555 struct lu_fid *fid = &info->oti_fid;
4556 struct lu_dirent *lde = (struct lu_dirent *)dtrec;
4562 name = (char *)iam_it_key_get(&it->oi_it);
4564 RETURN(PTR_ERR(name));
4566 namelen = iam_it_key_size(&it->oi_it);
4568 rec = (const struct osd_fid_pack *)iam_it_rec_get(&it->oi_it);
4570 RETURN(PTR_ERR(rec));
4572 rc = osd_fid_unpack(fid, rec);
4576 hash = iam_it_store(&it->oi_it);
4578 /* IAM does not store object type in IAM index (dir) */
4579 osd_it_pack_dirent(lde, fid, hash, name, namelen,
4581 } else if (fid_is_quota(lu_object_fid(&it->oi_obj->oo_dt.do_lu))) {
4582 iam_reccpy(&it->oi_it.ii_path.ip_leaf,
4583 (struct iam_rec *)dtrec);
4584 osd_quota_unpack(it->oi_obj, dtrec);
4586 iam_reccpy(&it->oi_it.ii_path.ip_leaf,
4587 (struct iam_rec *)dtrec);
4594 * Returns cookie for current Iterator position.
4596 static __u64 osd_it_iam_store(const struct lu_env *env, const struct dt_it *di)
4598 struct osd_it_iam *it = (struct osd_it_iam *)di;
4600 return iam_it_store(&it->oi_it);
4604 * Restore iterator from cookie.
4606 * \param di osd iterator
4607 * \param hash Iterator location cookie
4609 * \retval +ve di points to record with least key not larger than key.
4610 * \retval 0 di points to exact matched key
4611 * \retval -ve failure
4614 static int osd_it_iam_load(const struct lu_env *env,
4615 const struct dt_it *di, __u64 hash)
4617 struct osd_it_iam *it = (struct osd_it_iam *)di;
4619 return iam_it_load(&it->oi_it, hash);
4622 static const struct dt_index_operations osd_index_iam_ops = {
4623 .dio_lookup = osd_index_iam_lookup,
4624 .dio_declare_insert = osd_index_declare_iam_insert,
4625 .dio_insert = osd_index_iam_insert,
4626 .dio_declare_delete = osd_index_declare_iam_delete,
4627 .dio_delete = osd_index_iam_delete,
4629 .init = osd_it_iam_init,
4630 .fini = osd_it_iam_fini,
4631 .get = osd_it_iam_get,
4632 .put = osd_it_iam_put,
4633 .next = osd_it_iam_next,
4634 .key = osd_it_iam_key,
4635 .key_size = osd_it_iam_key_size,
4636 .rec = osd_it_iam_rec,
4637 .store = osd_it_iam_store,
4638 .load = osd_it_iam_load
4644 * Creates or initializes iterator context.
4646 * \retval struct osd_it_ea, iterator structure on success
4649 static struct dt_it *osd_it_ea_init(const struct lu_env *env,
4650 struct dt_object *dt,
4652 struct lustre_capa *capa)
4654 struct osd_object *obj = osd_dt_obj(dt);
4655 struct osd_thread_info *info = osd_oti_get(env);
4656 struct osd_it_ea *it = &info->oti_it_ea;
4657 struct file *file = &it->oie_file;
4658 struct lu_object *lo = &dt->do_lu;
4659 struct dentry *obj_dentry = &info->oti_it_dentry;
4661 LASSERT(lu_object_exists(lo));
4663 obj_dentry->d_inode = obj->oo_inode;
4664 obj_dentry->d_sb = osd_sb(osd_obj2dev(obj));
4665 obj_dentry->d_name.hash = 0;
4667 it->oie_rd_dirent = 0;
4668 it->oie_it_dirent = 0;
4669 it->oie_dirent = NULL;
4670 it->oie_buf = info->oti_it_ea_buf;
4673 /* Reset the "file" totally to avoid to reuse any old value from
4674 * former readdir handling, the "file->f_pos" should be zero. */
4675 memset(file, 0, sizeof(*file));
4676 /* Only FMODE_64BITHASH or FMODE_32BITHASH should be set, NOT both. */
4677 if (attr & LUDA_64BITHASH)
4678 file->f_mode = FMODE_64BITHASH;
4680 file->f_mode = FMODE_32BITHASH;
4681 file->f_dentry = obj_dentry;
4682 file->f_mapping = obj->oo_inode->i_mapping;
4683 file->f_op = obj->oo_inode->i_fop;
4684 set_file_inode(file, obj->oo_inode);
4687 RETURN((struct dt_it *) it);
4691 * Destroy or finishes iterator context.
4693 * \param di iterator structure to be destroyed
4695 static void osd_it_ea_fini(const struct lu_env *env, struct dt_it *di)
4697 struct osd_it_ea *it = (struct osd_it_ea *)di;
4698 struct osd_object *obj = it->oie_obj;
4699 struct inode *inode = obj->oo_inode;
4702 it->oie_file.f_op->release(inode, &it->oie_file);
4703 lu_object_put(env, &obj->oo_dt.do_lu);
4708 * It position the iterator at given key, so that next lookup continues from
4709 * that key Or it is similar to dio_it->load() but based on a key,
4710 * rather than file position.
4712 * As a special convention, osd_it_ea_get(env, di, "") has to rewind iterator
4715 * TODO: Presently return +1 considering it is only used by mdd_dir_is_empty().
4717 static int osd_it_ea_get(const struct lu_env *env,
4718 struct dt_it *di, const struct dt_key *key)
4720 struct osd_it_ea *it = (struct osd_it_ea *)di;
4723 LASSERT(((const char *)key)[0] == '\0');
4724 it->oie_file.f_pos = 0;
4725 it->oie_rd_dirent = 0;
4726 it->oie_it_dirent = 0;
4727 it->oie_dirent = NULL;
4735 static void osd_it_ea_put(const struct lu_env *env, struct dt_it *di)
4740 * It is called internally by ->readdir(). It fills the
4741 * iterator's in-memory data structure with required
4742 * information i.e. name, namelen, rec_size etc.
4744 * \param buf in which information to be filled in.
4745 * \param name name of the file in given dir
4747 * \retval 0 on success
4748 * \retval 1 on buffer full
4750 static int osd_ldiskfs_filldir(char *buf, const char *name, int namelen,
4751 loff_t offset, __u64 ino,
4754 struct osd_it_ea *it = (struct osd_it_ea *)buf;
4755 struct osd_object *obj = it->oie_obj;
4756 struct osd_it_ea_dirent *ent = it->oie_dirent;
4757 struct lu_fid *fid = &ent->oied_fid;
4758 struct osd_fid_pack *rec;
4761 /* this should never happen */
4762 if (unlikely(namelen == 0 || namelen > LDISKFS_NAME_LEN)) {
4763 CERROR("ldiskfs return invalid namelen %d\n", namelen);
4767 if ((void *) ent - it->oie_buf + sizeof(*ent) + namelen >
4771 /* "." is just the object itself. */
4772 if (namelen == 1 && name[0] == '.') {
4773 *fid = obj->oo_dt.do_lu.lo_header->loh_fid;
4774 } else if (d_type & LDISKFS_DIRENT_LUFID) {
4775 rec = (struct osd_fid_pack*) (name + namelen + 1);
4776 if (osd_fid_unpack(fid, rec) != 0)
4781 d_type &= ~LDISKFS_DIRENT_LUFID;
4783 /* NOT export local root. */
4784 if (unlikely(osd_sb(osd_obj2dev(obj))->s_root->d_inode->i_ino == ino)) {
4785 ino = obj->oo_inode->i_ino;
4786 *fid = obj->oo_dt.do_lu.lo_header->loh_fid;
4789 ent->oied_ino = ino;
4790 ent->oied_off = offset;
4791 ent->oied_namelen = namelen;
4792 ent->oied_type = d_type;
4794 memcpy(ent->oied_name, name, namelen);
4796 it->oie_rd_dirent++;
4797 it->oie_dirent = (void *) ent + cfs_size_round(sizeof(*ent) + namelen);
4802 * Calls ->readdir() to load a directory entry at a time
4803 * and stored it in iterator's in-memory data structure.
4805 * \param di iterator's in memory structure
4807 * \retval 0 on success
4808 * \retval -ve on error
4810 static int osd_ldiskfs_it_fill(const struct lu_env *env,
4811 const struct dt_it *di)
4813 struct osd_it_ea *it = (struct osd_it_ea *)di;
4814 struct osd_object *obj = it->oie_obj;
4815 struct inode *inode = obj->oo_inode;
4816 struct htree_lock *hlock = NULL;
4820 it->oie_dirent = it->oie_buf;
4821 it->oie_rd_dirent = 0;
4823 if (obj->oo_hl_head != NULL) {
4824 hlock = osd_oti_get(env)->oti_hlock;
4825 ldiskfs_htree_lock(hlock, obj->oo_hl_head,
4826 inode, LDISKFS_HLOCK_READDIR);
4828 down_read(&obj->oo_ext_idx_sem);
4831 result = inode->i_fop->readdir(&it->oie_file, it,
4832 (filldir_t) osd_ldiskfs_filldir);
4835 ldiskfs_htree_unlock(hlock);
4837 up_read(&obj->oo_ext_idx_sem);
4839 if (it->oie_rd_dirent == 0) {
4840 /*If it does not get any dirent, it means it has been reached
4841 *to the end of the dir */
4842 it->oie_file.f_pos = ldiskfs_get_htree_eof(&it->oie_file);
4844 it->oie_dirent = it->oie_buf;
4845 it->oie_it_dirent = 1;
4852 * It calls osd_ldiskfs_it_fill() which will use ->readdir()
4853 * to load a directory entry at a time and stored it in
4854 * iterator's in-memory data structure.
4856 * \param di iterator's in memory structure
4858 * \retval +ve iterator reached to end
4859 * \retval 0 iterator not reached to end
4860 * \retval -ve on error
4862 static int osd_it_ea_next(const struct lu_env *env, struct dt_it *di)
4864 struct osd_it_ea *it = (struct osd_it_ea *)di;
4869 if (it->oie_it_dirent < it->oie_rd_dirent) {
4871 (void *) it->oie_dirent +
4872 cfs_size_round(sizeof(struct osd_it_ea_dirent) +
4873 it->oie_dirent->oied_namelen);
4874 it->oie_it_dirent++;
4877 if (it->oie_file.f_pos == ldiskfs_get_htree_eof(&it->oie_file))
4880 rc = osd_ldiskfs_it_fill(env, di);
4887 * Returns the key at current position from iterator's in memory structure.
4889 * \param di iterator's in memory structure
4891 * \retval key i.e. struct dt_key on success
4893 static struct dt_key *osd_it_ea_key(const struct lu_env *env,
4894 const struct dt_it *di)
4896 struct osd_it_ea *it = (struct osd_it_ea *)di;
4898 return (struct dt_key *)it->oie_dirent->oied_name;
4902 * Returns the key's size at current position from iterator's in memory structure.
4904 * \param di iterator's in memory structure
4906 * \retval key_size i.e. struct dt_key on success
4908 static int osd_it_ea_key_size(const struct lu_env *env, const struct dt_it *di)
4910 struct osd_it_ea *it = (struct osd_it_ea *)di;
4912 return it->oie_dirent->oied_namelen;
4916 osd_dirent_update(handle_t *jh, struct super_block *sb,
4917 struct osd_it_ea_dirent *ent, struct lu_fid *fid,
4918 struct buffer_head *bh, struct ldiskfs_dir_entry_2 *de)
4920 struct osd_fid_pack *rec;
4924 LASSERT(de->file_type & LDISKFS_DIRENT_LUFID);
4925 LASSERT(de->rec_len >= de->name_len + sizeof(struct osd_fid_pack));
4927 rc = ldiskfs_journal_get_write_access(jh, bh);
4929 CERROR("%.16s: fail to write access for update dirent: "
4930 "name = %.*s, rc = %d\n",
4931 LDISKFS_SB(sb)->s_es->s_volume_name,
4932 ent->oied_namelen, ent->oied_name, rc);
4936 rec = (struct osd_fid_pack *)(de->name + de->name_len + 1);
4937 fid_cpu_to_be((struct lu_fid *)rec->fp_area, fid);
4938 rc = ldiskfs_journal_dirty_metadata(jh, bh);
4940 CERROR("%.16s: fail to dirty metadata for update dirent: "
4941 "name = %.*s, rc = %d\n",
4942 LDISKFS_SB(sb)->s_es->s_volume_name,
4943 ent->oied_namelen, ent->oied_name, rc);
4949 osd_dirent_has_space(__u16 reclen, __u16 namelen, unsigned blocksize)
4951 if (ldiskfs_rec_len_from_disk(reclen, blocksize) >=
4952 __LDISKFS_DIR_REC_LEN(namelen + 1 + sizeof(struct osd_fid_pack)))
4959 osd_dot_dotdot_has_space(struct ldiskfs_dir_entry_2 *de, int dot_dotdot)
4961 LASSERTF(dot_dotdot == 1 || dot_dotdot == 2,
4962 "dot_dotdot = %d\n", dot_dotdot);
4964 if (LDISKFS_DIR_REC_LEN(de) >=
4965 __LDISKFS_DIR_REC_LEN(dot_dotdot + 1 + sizeof(struct osd_fid_pack)))
4972 osd_dirent_reinsert(const struct lu_env *env, handle_t *jh,
4973 struct inode *dir, struct inode *inode,
4974 struct osd_it_ea_dirent *ent, struct lu_fid *fid,
4975 struct buffer_head *bh, struct ldiskfs_dir_entry_2 *de,
4976 struct htree_lock *hlock)
4978 struct dentry *dentry;
4979 struct osd_fid_pack *rec;
4980 struct ldiskfs_dentry_param *ldp;
4984 if (!LDISKFS_HAS_INCOMPAT_FEATURE(inode->i_sb,
4985 LDISKFS_FEATURE_INCOMPAT_DIRDATA))
4988 /* There is enough space to hold the FID-in-dirent. */
4989 if (osd_dirent_has_space(de->rec_len, ent->oied_namelen,
4990 dir->i_sb->s_blocksize)) {
4991 rc = ldiskfs_journal_get_write_access(jh, bh);
4993 CERROR("%.16s: fail to write access for reinsert "
4994 "dirent: name = %.*s, rc = %d\n",
4995 LDISKFS_SB(inode->i_sb)->s_es->s_volume_name,
4996 ent->oied_namelen, ent->oied_name, rc);
5000 de->name[de->name_len] = 0;
5001 rec = (struct osd_fid_pack *)(de->name + de->name_len + 1);
5002 rec->fp_len = sizeof(struct lu_fid) + 1;
5003 fid_cpu_to_be((struct lu_fid *)rec->fp_area, fid);
5004 de->file_type |= LDISKFS_DIRENT_LUFID;
5006 rc = ldiskfs_journal_dirty_metadata(jh, bh);
5008 CERROR("%.16s: fail to dirty metadata for reinsert "
5009 "dirent: name = %.*s, rc = %d\n",
5010 LDISKFS_SB(inode->i_sb)->s_es->s_volume_name,
5011 ent->oied_namelen, ent->oied_name, rc);
5016 rc = ldiskfs_delete_entry(jh, dir, de, bh);
5018 CERROR("%.16s: fail to delete entry for reinsert dirent: "
5019 "name = %.*s, rc = %d\n",
5020 LDISKFS_SB(inode->i_sb)->s_es->s_volume_name,
5021 ent->oied_namelen, ent->oied_name, rc);
5025 dentry = osd_child_dentry_by_inode(env, dir, ent->oied_name,
5027 ldp = (struct ldiskfs_dentry_param *)osd_oti_get(env)->oti_ldp;
5028 osd_get_ldiskfs_dirent_param(ldp, (const struct dt_rec *)fid);
5029 dentry->d_fsdata = (void *)ldp;
5030 ll_vfs_dq_init(dir);
5031 rc = osd_ldiskfs_add_entry(jh, dentry, inode, hlock);
5032 /* It is too bad, we cannot reinsert the name entry back.
5033 * That means we lose it! */
5035 CERROR("%.16s: fail to insert entry for reinsert dirent: "
5036 "name = %.*s, rc = %d\n",
5037 LDISKFS_SB(inode->i_sb)->s_es->s_volume_name,
5038 ent->oied_namelen, ent->oied_name, rc);
5044 osd_dirent_check_repair(const struct lu_env *env, struct osd_object *obj,
5045 struct osd_it_ea *it, struct lu_fid *fid,
5046 struct osd_inode_id *id, __u32 *attr)
5048 struct osd_thread_info *info = osd_oti_get(env);
5049 struct lustre_mdt_attrs *lma = &info->oti_mdt_attrs;
5050 struct osd_device *dev = osd_obj2dev(obj);
5051 struct super_block *sb = osd_sb(dev);
5052 const char *devname =
5053 LDISKFS_SB(sb)->s_es->s_volume_name;
5054 struct osd_it_ea_dirent *ent = it->oie_dirent;
5055 struct inode *dir = obj->oo_inode;
5056 struct htree_lock *hlock = NULL;
5057 struct buffer_head *bh = NULL;
5058 handle_t *jh = NULL;
5059 struct ldiskfs_dir_entry_2 *de;
5060 struct dentry *dentry;
5061 struct inode *inode;
5068 if (ent->oied_name[0] == '.') {
5069 if (ent->oied_namelen == 1)
5071 else if (ent->oied_namelen == 2 && ent->oied_name[1] == '.')
5075 dentry = osd_child_dentry_get(env, obj, ent->oied_name,
5078 /* We need to ensure that the name entry is still valid.
5079 * Because it may be removed or renamed by other already.
5081 * The unlink or rename operation will start journal before PDO lock,
5082 * so to avoid deadlock, here we need to start journal handle before
5083 * related PDO lock also. But because we do not know whether there
5084 * will be something to be repaired before PDO lock, we just start
5085 * journal without conditions.
5087 * We may need to remove the name entry firstly, then insert back.
5088 * One credit is for user quota file update.
5089 * One credit is for group quota file update.
5090 * Two credits are for dirty inode. */
5091 credits = osd_dto_credits_noquota[DTO_INDEX_DELETE] +
5092 osd_dto_credits_noquota[DTO_INDEX_INSERT] + 1 + 1 + 2;
5095 if (dev->od_dirent_journal) {
5096 jh = osd_journal_start_sb(sb, LDISKFS_HT_MISC, credits);
5099 CERROR("%.16s: fail to start trans for dirent "
5100 "check_repair: credits %d, name %.*s, rc %d\n",
5101 devname, credits, ent->oied_namelen,
5102 ent->oied_name, rc);
5106 if (obj->oo_hl_head != NULL) {
5107 hlock = osd_oti_get(env)->oti_hlock;
5108 /* "0" means exclusive lock for the whole directory.
5109 * We need to prevent others access such name entry
5110 * during the delete + insert. Neither HLOCK_ADD nor
5111 * HLOCK_DEL cannot guarantee the atomicity. */
5112 ldiskfs_htree_lock(hlock, obj->oo_hl_head, dir, 0);
5114 down_write(&obj->oo_ext_idx_sem);
5117 if (obj->oo_hl_head != NULL) {
5118 hlock = osd_oti_get(env)->oti_hlock;
5119 ldiskfs_htree_lock(hlock, obj->oo_hl_head, dir,
5120 LDISKFS_HLOCK_LOOKUP);
5122 down_read(&obj->oo_ext_idx_sem);
5126 bh = osd_ldiskfs_find_entry(dir, &dentry->d_name, &de, NULL, hlock);
5127 /* For dot/dotdot entry, if there is not enough space to hold the
5128 * FID-in-dirent, just keep them there. It only happens when the
5129 * device upgraded from 1.8 or restored from MDT file-level backup.
5130 * For the whole directory, only dot/dotdot entry have no FID-in-dirent
5131 * and needs to get FID from LMA when readdir, it will not affect the
5132 * performance much. */
5133 if ((bh == NULL) || (le32_to_cpu(de->inode) != ent->oied_ino) ||
5134 (dot_dotdot != 0 && !osd_dot_dotdot_has_space(de, dot_dotdot))) {
5135 *attr |= LUDA_IGNORE;
5136 GOTO(out_journal, rc = 0);
5139 osd_id_gen(id, ent->oied_ino, OSD_OII_NOGEN);
5140 inode = osd_iget(info, dev, id);
5141 if (IS_ERR(inode)) {
5142 rc = PTR_ERR(inode);
5143 if (rc == -ENOENT || rc == -ESTALE) {
5144 *attr |= LUDA_IGNORE;
5148 GOTO(out_journal, rc);
5151 /* skip the REMOTE_PARENT_DIR. */
5152 if (inode == dev->od_mdt_map->omm_remote_parent->d_inode)
5153 GOTO(out_inode, rc = 0);
5155 rc = osd_get_lma(info, inode, &info->oti_obj_dentry, lma);
5157 LASSERT(!(lma->lma_compat & LMAC_NOT_IN_OI));
5159 if (fid_is_sane(fid)) {
5160 /* FID-in-dirent is valid. */
5161 if (lu_fid_eq(fid, &lma->lma_self_fid))
5162 GOTO(out_inode, rc = 0);
5164 /* Do not repair under dryrun mode. */
5165 if (*attr & LUDA_VERIFY_DRYRUN) {
5166 *attr |= LUDA_REPAIR;
5167 GOTO(out_inode, rc = 0);
5170 if (!dev->od_dirent_journal) {
5174 ldiskfs_htree_unlock(hlock);
5176 up_read(&obj->oo_ext_idx_sem);
5177 dev->od_dirent_journal = 1;
5181 *fid = lma->lma_self_fid;
5183 /* Update the FID-in-dirent. */
5184 rc = osd_dirent_update(jh, sb, ent, fid, bh, de);
5186 *attr |= LUDA_REPAIR;
5188 /* Do not repair under dryrun mode. */
5189 if (*attr & LUDA_VERIFY_DRYRUN) {
5190 *fid = lma->lma_self_fid;
5191 *attr |= LUDA_REPAIR;
5192 GOTO(out_inode, rc = 0);
5195 if (!dev->od_dirent_journal) {
5199 ldiskfs_htree_unlock(hlock);
5201 up_read(&obj->oo_ext_idx_sem);
5202 dev->od_dirent_journal = 1;
5206 *fid = lma->lma_self_fid;
5208 /* Append the FID-in-dirent. */
5209 rc = osd_dirent_reinsert(env, jh, dir, inode, ent,
5210 fid, bh, de, hlock);
5212 *attr |= LUDA_REPAIR;
5214 } else if (rc == -ENODATA) {
5215 /* Do not repair under dryrun mode. */
5216 if (*attr & LUDA_VERIFY_DRYRUN) {
5217 if (fid_is_sane(fid)) {
5218 *attr |= LUDA_REPAIR;
5220 lu_igif_build(fid, inode->i_ino,
5221 inode->i_generation);
5222 *attr |= LUDA_UPGRADE;
5224 GOTO(out_inode, rc = 0);
5227 if (!dev->od_dirent_journal) {
5231 ldiskfs_htree_unlock(hlock);
5233 up_read(&obj->oo_ext_idx_sem);
5234 dev->od_dirent_journal = 1;
5239 if (unlikely(fid_is_sane(fid))) {
5240 /* FID-in-dirent exists, but FID-in-LMA is lost.
5241 * Trust the FID-in-dirent, and add FID-in-LMA. */
5242 rc = osd_ea_fid_set(info, inode, fid, 0, 0);
5244 *attr |= LUDA_REPAIR;
5246 lu_igif_build(fid, inode->i_ino, inode->i_generation);
5247 /* It is probably IGIF object. Only aappend the
5248 * FID-in-dirent. OI scrub will process FID-in-LMA. */
5249 rc = osd_dirent_reinsert(env, jh, dir, inode, ent,
5250 fid, bh, de, hlock);
5252 *attr |= LUDA_UPGRADE;
5256 GOTO(out_inode, rc);
5263 if (hlock != NULL) {
5264 ldiskfs_htree_unlock(hlock);
5266 if (dev->od_dirent_journal)
5267 up_write(&obj->oo_ext_idx_sem);
5269 up_read(&obj->oo_ext_idx_sem);
5272 ldiskfs_journal_stop(jh);
5273 if (rc >= 0 && !dirty)
5274 dev->od_dirent_journal = 0;
5279 * Returns the value at current position from iterator's in memory structure.
5281 * \param di struct osd_it_ea, iterator's in memory structure
5282 * \param attr attr requested for dirent.
5283 * \param lde lustre dirent
5285 * \retval 0 no error and \param lde has correct lustre dirent.
5286 * \retval -ve on error
5288 static inline int osd_it_ea_rec(const struct lu_env *env,
5289 const struct dt_it *di,
5290 struct dt_rec *dtrec, __u32 attr)
5292 struct osd_it_ea *it = (struct osd_it_ea *)di;
5293 struct osd_object *obj = it->oie_obj;
5294 struct osd_device *dev = osd_obj2dev(obj);
5295 struct osd_scrub *scrub = &dev->od_scrub;
5296 struct scrub_file *sf = &scrub->os_file;
5297 struct osd_thread_info *oti = osd_oti_get(env);
5298 struct osd_inode_id *id = &oti->oti_id;
5299 struct osd_idmap_cache *oic = &oti->oti_cache;
5300 struct lu_fid *fid = &it->oie_dirent->oied_fid;
5301 struct lu_dirent *lde = (struct lu_dirent *)dtrec;
5302 __u32 ino = it->oie_dirent->oied_ino;
5306 if (attr & LUDA_VERIFY) {
5308 if (unlikely(ino == osd_sb(dev)->s_root->d_inode->i_ino)) {
5309 attr |= LUDA_IGNORE;
5312 rc = osd_dirent_check_repair(env, obj, it, fid, id,
5316 attr &= ~LU_DIRENT_ATTRS_MASK;
5317 if (!fid_is_sane(fid)) {
5318 if (OBD_FAIL_CHECK(OBD_FAIL_FID_LOOKUP))
5321 rc = osd_ea_fid_get(env, obj, ino, fid, id);
5323 osd_id_gen(id, ino, OSD_OII_NOGEN);
5327 /* Pack the entry anyway, at least the offset is right. */
5328 osd_it_pack_dirent(lde, fid, it->oie_dirent->oied_off,
5329 it->oie_dirent->oied_name,
5330 it->oie_dirent->oied_namelen,
5331 it->oie_dirent->oied_type, attr);
5336 if (osd_remote_fid(env, dev, fid))
5339 if (likely(!(attr & LUDA_IGNORE)))
5340 rc = osd_add_oi_cache(oti, dev, id, fid);
5342 if (!(attr & LUDA_VERIFY) &&
5343 (scrub->os_pos_current <= ino) &&
5344 ((sf->sf_flags & SF_INCONSISTENT) ||
5345 (sf->sf_flags & SF_UPGRADE && fid_is_igif(fid)) ||
5346 ldiskfs_test_bit(osd_oi_fid2idx(dev, fid), sf->sf_oi_bitmap)))
5347 osd_consistency_check(oti, dev, oic);
5353 * Returns a cookie for current position of the iterator head, so that
5354 * user can use this cookie to load/start the iterator next time.
5356 * \param di iterator's in memory structure
5358 * \retval cookie for current position, on success
5360 static __u64 osd_it_ea_store(const struct lu_env *env, const struct dt_it *di)
5362 struct osd_it_ea *it = (struct osd_it_ea *)di;
5364 return it->oie_dirent->oied_off;
5368 * It calls osd_ldiskfs_it_fill() which will use ->readdir()
5369 * to load a directory entry at a time and stored it i inn,
5370 * in iterator's in-memory data structure.
5372 * \param di struct osd_it_ea, iterator's in memory structure
5374 * \retval +ve on success
5375 * \retval -ve on error
5377 static int osd_it_ea_load(const struct lu_env *env,
5378 const struct dt_it *di, __u64 hash)
5380 struct osd_it_ea *it = (struct osd_it_ea *)di;
5384 it->oie_file.f_pos = hash;
5386 rc = osd_ldiskfs_it_fill(env, di);
5394 * Index lookup function for interoperability mode (b11826).
5396 * \param key, key i.e. file name to be searched
5398 * \retval +ve, on success
5399 * \retval -ve, on error
5401 static int osd_index_ea_lookup(const struct lu_env *env, struct dt_object *dt,
5402 struct dt_rec *rec, const struct dt_key *key,
5403 struct lustre_capa *capa)
5405 struct osd_object *obj = osd_dt_obj(dt);
5410 LASSERT(S_ISDIR(obj->oo_inode->i_mode));
5411 LINVRNT(osd_invariant(obj));
5413 if (osd_object_auth(env, dt, capa, CAPA_OPC_INDEX_LOOKUP))
5416 rc = osd_ea_lookup_rec(env, obj, rec, key);
5423 * Index and Iterator operations for interoperability
5424 * mode (i.e. to run 2.0 mds on 1.8 disk) (b11826)
5426 static const struct dt_index_operations osd_index_ea_ops = {
5427 .dio_lookup = osd_index_ea_lookup,
5428 .dio_declare_insert = osd_index_declare_ea_insert,
5429 .dio_insert = osd_index_ea_insert,
5430 .dio_declare_delete = osd_index_declare_ea_delete,
5431 .dio_delete = osd_index_ea_delete,
5433 .init = osd_it_ea_init,
5434 .fini = osd_it_ea_fini,
5435 .get = osd_it_ea_get,
5436 .put = osd_it_ea_put,
5437 .next = osd_it_ea_next,
5438 .key = osd_it_ea_key,
5439 .key_size = osd_it_ea_key_size,
5440 .rec = osd_it_ea_rec,
5441 .store = osd_it_ea_store,
5442 .load = osd_it_ea_load
5446 static void *osd_key_init(const struct lu_context *ctx,
5447 struct lu_context_key *key)
5449 struct osd_thread_info *info;
5451 OBD_ALLOC_PTR(info);
5453 return ERR_PTR(-ENOMEM);
5455 OBD_ALLOC(info->oti_it_ea_buf, OSD_IT_EA_BUFSIZE);
5456 if (info->oti_it_ea_buf == NULL)
5459 info->oti_env = container_of(ctx, struct lu_env, le_ctx);
5461 info->oti_hlock = ldiskfs_htree_lock_alloc();
5462 if (info->oti_hlock == NULL)
5468 OBD_FREE(info->oti_it_ea_buf, OSD_IT_EA_BUFSIZE);
5471 return ERR_PTR(-ENOMEM);
5474 static void osd_key_fini(const struct lu_context *ctx,
5475 struct lu_context_key *key, void* data)
5477 struct osd_thread_info *info = data;
5479 if (info->oti_hlock != NULL)
5480 ldiskfs_htree_lock_free(info->oti_hlock);
5481 OBD_FREE(info->oti_it_ea_buf, OSD_IT_EA_BUFSIZE);
5482 lu_buf_free(&info->oti_iobuf.dr_pg_buf);
5483 lu_buf_free(&info->oti_iobuf.dr_bl_buf);
5487 static void osd_key_exit(const struct lu_context *ctx,
5488 struct lu_context_key *key, void *data)
5490 struct osd_thread_info *info = data;
5492 LASSERT(info->oti_r_locks == 0);
5493 LASSERT(info->oti_w_locks == 0);
5494 LASSERT(info->oti_txns == 0);
5497 /* type constructor/destructor: osd_type_init, osd_type_fini */
5498 LU_TYPE_INIT_FINI(osd, &osd_key);
5500 struct lu_context_key osd_key = {
5501 .lct_tags = LCT_DT_THREAD | LCT_MD_THREAD | LCT_MG_THREAD | LCT_LOCAL,
5502 .lct_init = osd_key_init,
5503 .lct_fini = osd_key_fini,
5504 .lct_exit = osd_key_exit
5508 static int osd_device_init(const struct lu_env *env, struct lu_device *d,
5509 const char *name, struct lu_device *next)
5511 struct osd_device *osd = osd_dev(d);
5513 if (strlcpy(osd->od_svname, name, sizeof(osd->od_svname))
5514 >= sizeof(osd->od_svname))
5516 return osd_procfs_init(osd, name);
5519 static int osd_shutdown(const struct lu_env *env, struct osd_device *o)
5523 /* shutdown quota slave instance associated with the device */
5524 if (o->od_quota_slave != NULL) {
5525 qsd_fini(env, o->od_quota_slave);
5526 o->od_quota_slave = NULL;
5532 static void osd_umount(const struct lu_env *env, struct osd_device *o)
5536 if (o->od_mnt != NULL) {
5537 shrink_dcache_sb(osd_sb(o));
5538 osd_sync(env, &o->od_dt_dev);
5547 static int osd_mount(const struct lu_env *env,
5548 struct osd_device *o, struct lustre_cfg *cfg)
5550 const char *name = lustre_cfg_string(cfg, 0);
5551 const char *dev = lustre_cfg_string(cfg, 1);
5553 unsigned long page, s_flags, lmd_flags = 0;
5554 struct page *__page;
5555 struct file_system_type *type;
5556 char *options = NULL;
5558 struct osd_thread_info *info = osd_oti_get(env);
5559 struct lu_fid *fid = &info->oti_fid;
5560 struct inode *inode;
5564 if (o->od_mnt != NULL)
5567 if (strlen(dev) >= sizeof(o->od_mntdev))
5569 strcpy(o->od_mntdev, dev);
5571 OBD_PAGE_ALLOC(__page, GFP_IOFS);
5573 GOTO(out, rc = -ENOMEM);
5575 str = lustre_cfg_string(cfg, 2);
5576 s_flags = simple_strtoul(str, NULL, 0);
5577 str = strstr(str, ":");
5579 lmd_flags = simple_strtoul(str + 1, NULL, 0);
5580 opts = lustre_cfg_string(cfg, 3);
5581 page = (unsigned long)page_address(__page);
5582 options = (char *)page;
5585 strcat(options, "user_xattr,acl");
5587 strcat(options, opts);
5589 /* Glom up mount options */
5590 if (*options != '\0')
5591 strcat(options, ",");
5592 strlcat(options, "no_mbcache", PAGE_CACHE_SIZE);
5594 type = get_fs_type("ldiskfs");
5596 CERROR("%s: cannot find ldiskfs module\n", name);
5597 GOTO(out, rc = -ENODEV);
5600 o->od_mnt = vfs_kern_mount(type, s_flags, dev, options);
5601 module_put(type->owner);
5603 if (IS_ERR(o->od_mnt)) {
5604 rc = PTR_ERR(o->od_mnt);
5606 CERROR("%s: can't mount %s: %d\n", name, dev, rc);
5610 #ifdef HAVE_DEV_SET_RDONLY
5611 if (dev_check_rdonly(o->od_mnt->mnt_sb->s_bdev)) {
5612 CERROR("%s: underlying device %s is marked as read-only. "
5613 "Setup failed\n", name, dev);
5614 GOTO(out_mnt, rc = -EROFS);
5618 if (!LDISKFS_HAS_COMPAT_FEATURE(o->od_mnt->mnt_sb,
5619 LDISKFS_FEATURE_COMPAT_HAS_JOURNAL)) {
5620 CERROR("%s: device %s is mounted w/o journal\n", name, dev);
5621 GOTO(out_mnt, rc = -EINVAL);
5624 #ifdef LDISKFS_MOUNT_DIRDATA
5625 if (LDISKFS_HAS_INCOMPAT_FEATURE(o->od_mnt->mnt_sb,
5626 LDISKFS_FEATURE_INCOMPAT_DIRDATA))
5627 LDISKFS_SB(osd_sb(o))->s_mount_opt |= LDISKFS_MOUNT_DIRDATA;
5629 inode = osd_sb(o)->s_root->d_inode;
5630 lu_local_obj_fid(fid, OSD_FS_ROOT_OID);
5631 rc = osd_ea_fid_set(info, inode, fid, LMAC_NOT_IN_OI, 0);
5633 CERROR("%s: failed to set lma on %s root inode\n", name, dev);
5637 if (lmd_flags & LMD_FLG_NOSCRUB)
5648 OBD_PAGE_FREE(__page);
5653 static struct lu_device *osd_device_fini(const struct lu_env *env,
5654 struct lu_device *d)
5656 struct osd_device *o = osd_dev(d);
5659 osd_shutdown(env, o);
5661 osd_scrub_cleanup(env, o);
5662 osd_obj_map_fini(o);
5668 static int osd_device_init0(const struct lu_env *env,
5669 struct osd_device *o,
5670 struct lustre_cfg *cfg)
5672 struct lu_device *l = osd2lu_dev(o);
5673 struct osd_thread_info *info;
5677 /* if the module was re-loaded, env can loose its keys */
5678 rc = lu_env_refill((struct lu_env *) env);
5681 info = osd_oti_get(env);
5684 l->ld_ops = &osd_lu_ops;
5685 o->od_dt_dev.dd_ops = &osd_dt_ops;
5687 spin_lock_init(&o->od_osfs_lock);
5688 mutex_init(&o->od_otable_mutex);
5689 o->od_osfs_age = cfs_time_shift_64(-1000);
5691 o->od_capa_hash = init_capa_hash();
5692 if (o->od_capa_hash == NULL)
5693 GOTO(out, rc = -ENOMEM);
5695 o->od_read_cache = 1;
5696 o->od_writethrough_cache = 1;
5697 o->od_readcache_max_filesize = OSD_MAX_CACHE_SIZE;
5699 rc = osd_mount(env, o, cfg);
5703 cplen = strlcpy(o->od_svname, lustre_cfg_string(cfg, 4),
5704 sizeof(o->od_svname));
5705 if (cplen >= sizeof(o->od_svname)) {
5710 if (server_name_is_ost(o->od_svname))
5713 rc = osd_obj_map_init(env, o);
5717 rc = lu_site_init(&o->od_site, l);
5719 GOTO(out_compat, rc);
5720 o->od_site.ls_bottom_dev = l;
5722 rc = lu_site_init_finish(&o->od_site);
5726 /* self-repair LMA by default */
5727 o->od_lma_self_repair = 1;
5729 CFS_INIT_LIST_HEAD(&o->od_ios_list);
5730 /* setup scrub, including OI files initialization */
5731 rc = osd_scrub_setup(env, o);
5735 rc = osd_procfs_init(o, o->od_svname);
5737 CERROR("%s: can't initialize procfs: rc = %d\n",
5739 GOTO(out_scrub, rc);
5742 LASSERT(l->ld_site->ls_linkage.next && l->ld_site->ls_linkage.prev);
5744 /* initialize quota slave instance */
5745 o->od_quota_slave = qsd_init(env, o->od_svname, &o->od_dt_dev,
5747 if (IS_ERR(o->od_quota_slave)) {
5748 rc = PTR_ERR(o->od_quota_slave);
5749 o->od_quota_slave = NULL;
5750 GOTO(out_procfs, rc);
5758 osd_scrub_cleanup(env, o);
5760 lu_site_fini(&o->od_site);
5762 osd_obj_map_fini(o);
5766 cleanup_capa_hash(o->od_capa_hash);
5771 static struct lu_device *osd_device_alloc(const struct lu_env *env,
5772 struct lu_device_type *t,
5773 struct lustre_cfg *cfg)
5775 struct osd_device *o;
5780 return ERR_PTR(-ENOMEM);
5782 rc = dt_device_init(&o->od_dt_dev, t);
5784 /* Because the ctx might be revived in dt_device_init,
5785 * refill the env here */
5786 lu_env_refill((struct lu_env *)env);
5787 rc = osd_device_init0(env, o, cfg);
5789 dt_device_fini(&o->od_dt_dev);
5792 if (unlikely(rc != 0))
5795 return rc == 0 ? osd2lu_dev(o) : ERR_PTR(rc);
5798 static struct lu_device *osd_device_free(const struct lu_env *env,
5799 struct lu_device *d)
5801 struct osd_device *o = osd_dev(d);
5804 cleanup_capa_hash(o->od_capa_hash);
5805 /* XXX: make osd top device in order to release reference */
5806 d->ld_site->ls_top_dev = d;
5807 lu_site_purge(env, d->ld_site, -1);
5808 if (!cfs_hash_is_empty(d->ld_site->ls_obj_hash)) {
5809 LIBCFS_DEBUG_MSG_DATA_DECL(msgdata, D_ERROR, NULL);
5810 lu_site_print(env, d->ld_site, &msgdata, lu_cdebug_printer);
5812 lu_site_fini(&o->od_site);
5813 dt_device_fini(&o->od_dt_dev);
5818 static int osd_process_config(const struct lu_env *env,
5819 struct lu_device *d, struct lustre_cfg *cfg)
5821 struct osd_device *o = osd_dev(d);
5825 switch (cfg->lcfg_command) {
5827 rc = osd_mount(env, o, cfg);
5830 lu_dev_del_linkage(d->ld_site, d);
5831 rc = osd_shutdown(env, o);
5834 LASSERT(&o->od_dt_dev);
5835 rc = class_process_proc_param(PARAM_OSD, lprocfs_osd_obd_vars,
5836 cfg, &o->od_dt_dev);
5837 if (rc > 0 || rc == -ENOSYS)
5838 rc = class_process_proc_param(PARAM_OST,
5839 lprocfs_osd_obd_vars,
5840 cfg, &o->od_dt_dev);
5849 static int osd_recovery_complete(const struct lu_env *env,
5850 struct lu_device *d)
5852 struct osd_device *osd = osd_dev(d);
5856 if (osd->od_quota_slave == NULL)
5859 /* start qsd instance on recovery completion, this notifies the quota
5860 * slave code that we are about to process new requests now */
5861 rc = qsd_start(env, osd->od_quota_slave);
5866 * we use exports to track all osd users
5868 static int osd_obd_connect(const struct lu_env *env, struct obd_export **exp,
5869 struct obd_device *obd, struct obd_uuid *cluuid,
5870 struct obd_connect_data *data, void *localdata)
5872 struct osd_device *osd = osd_dev(obd->obd_lu_dev);
5873 struct lustre_handle conn;
5877 CDEBUG(D_CONFIG, "connect #%d\n", osd->od_connects);
5879 rc = class_connect(&conn, obd, cluuid);
5883 *exp = class_conn2export(&conn);
5885 spin_lock(&osd->od_osfs_lock);
5887 spin_unlock(&osd->od_osfs_lock);
5893 * once last export (we don't count self-export) disappeared
5894 * osd can be released
5896 static int osd_obd_disconnect(struct obd_export *exp)
5898 struct obd_device *obd = exp->exp_obd;
5899 struct osd_device *osd = osd_dev(obd->obd_lu_dev);
5900 int rc, release = 0;
5903 /* Only disconnect the underlying layers on the final disconnect. */
5904 spin_lock(&osd->od_osfs_lock);
5906 if (osd->od_connects == 0)
5908 spin_unlock(&osd->od_osfs_lock);
5910 rc = class_disconnect(exp); /* bz 9811 */
5912 if (rc == 0 && release)
5913 class_manual_cleanup(obd);
5917 static int osd_prepare(const struct lu_env *env, struct lu_device *pdev,
5918 struct lu_device *dev)
5920 struct osd_device *osd = osd_dev(dev);
5924 if (osd->od_quota_slave != NULL)
5925 /* set up quota slave objects */
5926 result = qsd_prepare(env, osd->od_quota_slave);
5931 static const struct lu_object_operations osd_lu_obj_ops = {
5932 .loo_object_init = osd_object_init,
5933 .loo_object_delete = osd_object_delete,
5934 .loo_object_release = osd_object_release,
5935 .loo_object_free = osd_object_free,
5936 .loo_object_print = osd_object_print,
5937 .loo_object_invariant = osd_object_invariant
5940 const struct lu_device_operations osd_lu_ops = {
5941 .ldo_object_alloc = osd_object_alloc,
5942 .ldo_process_config = osd_process_config,
5943 .ldo_recovery_complete = osd_recovery_complete,
5944 .ldo_prepare = osd_prepare,
5947 static const struct lu_device_type_operations osd_device_type_ops = {
5948 .ldto_init = osd_type_init,
5949 .ldto_fini = osd_type_fini,
5951 .ldto_start = osd_type_start,
5952 .ldto_stop = osd_type_stop,
5954 .ldto_device_alloc = osd_device_alloc,
5955 .ldto_device_free = osd_device_free,
5957 .ldto_device_init = osd_device_init,
5958 .ldto_device_fini = osd_device_fini
5961 struct lu_device_type osd_device_type = {
5962 .ldt_tags = LU_DEVICE_DT,
5963 .ldt_name = LUSTRE_OSD_LDISKFS_NAME,
5964 .ldt_ops = &osd_device_type_ops,
5965 .ldt_ctx_tags = LCT_LOCAL,
5969 * lprocfs legacy support.
5971 static struct obd_ops osd_obd_device_ops = {
5972 .o_owner = THIS_MODULE,
5973 .o_connect = osd_obd_connect,
5974 .o_disconnect = osd_obd_disconnect
5977 static int __init osd_mod_init(void)
5983 rc = lu_kmem_init(ldiskfs_caches);
5987 rc = class_register_type(&osd_obd_device_ops, NULL, NULL,
5988 #ifndef HAVE_ONLY_PROCFS_SEQ
5989 lprocfs_osd_module_vars,
5991 LUSTRE_OSD_LDISKFS_NAME, &osd_device_type);
5993 lu_kmem_fini(ldiskfs_caches);
5997 static void __exit osd_mod_exit(void)
5999 class_unregister_type(LUSTRE_OSD_LDISKFS_NAME);
6000 lu_kmem_fini(ldiskfs_caches);
6003 MODULE_AUTHOR("Sun Microsystems, Inc. <http://www.lustre.org/>");
6004 MODULE_DESCRIPTION("Lustre Object Storage Device ("LUSTRE_OSD_LDISKFS_NAME")");
6005 MODULE_LICENSE("GPL");
6007 cfs_module(osd, "0.1.0", osd_mod_init, osd_mod_exit);