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_OSD
46 #include <linux/module.h>
48 /* LUSTRE_VERSION_CODE */
49 #include <lustre_ver.h>
50 /* prerequisite for linux/xattr.h */
51 #include <linux/types.h>
52 /* prerequisite for linux/xattr.h */
54 /* XATTR_{REPLACE,CREATE} */
55 #include <linux/xattr.h>
58 * struct OBD_{ALLOC,FREE}*()
61 #include <obd_support.h>
62 /* struct ptlrpc_thread */
63 #include <lustre_net.h>
64 #include <lustre_fid.h>
66 #include <lustre_param.h>
68 #include "osd_internal.h"
69 #include "osd_dynlocks.h"
71 /* llo_* api support */
72 #include <md_object.h>
73 #include <lustre_quota.h>
75 #include <ldiskfs/xattr.h>
76 #include <lustre_linkea.h>
79 CFS_MODULE_PARM(ldiskfs_pdo, "i", int, 0644,
80 "ldiskfs with parallel directory operations");
82 int ldiskfs_track_declares_assert;
83 CFS_MODULE_PARM(ldiskfs_track_declares_assert, "i", int, 0644,
84 "LBUG during tracking of declares");
86 /* Slab to allocate dynlocks */
87 struct kmem_cache *dynlock_cachep;
89 static struct lu_kmem_descr ldiskfs_caches[] = {
91 .ckd_cache = &dynlock_cachep,
92 .ckd_name = "dynlock_cache",
93 .ckd_size = sizeof(struct dynlock_handle)
100 static const char dot[] = ".";
101 static const char dotdot[] = "..";
102 static const char remote_obj_dir[] = "REM_OBJ_DIR";
104 static const struct lu_object_operations osd_lu_obj_ops;
105 static const struct dt_object_operations osd_obj_ops;
106 static const struct dt_object_operations osd_obj_ea_ops;
107 static const struct dt_object_operations osd_obj_otable_it_ops;
108 static const struct dt_index_operations osd_index_iam_ops;
109 static const struct dt_index_operations osd_index_ea_ops;
111 int osd_trans_declare_op2rb[] = {
112 [OSD_OT_ATTR_SET] = OSD_OT_ATTR_SET,
113 [OSD_OT_PUNCH] = OSD_OT_MAX,
114 [OSD_OT_XATTR_SET] = OSD_OT_XATTR_SET,
115 [OSD_OT_CREATE] = OSD_OT_DESTROY,
116 [OSD_OT_DESTROY] = OSD_OT_CREATE,
117 [OSD_OT_REF_ADD] = OSD_OT_REF_DEL,
118 [OSD_OT_REF_DEL] = OSD_OT_REF_ADD,
119 [OSD_OT_WRITE] = OSD_OT_WRITE,
120 [OSD_OT_INSERT] = OSD_OT_DELETE,
121 [OSD_OT_DELETE] = OSD_OT_INSERT,
122 [OSD_OT_UPDATE] = OSD_OT_MAX,
123 [OSD_OT_QUOTA] = OSD_OT_MAX,
126 static int osd_has_index(const struct osd_object *obj)
128 return obj->oo_dt.do_index_ops != NULL;
131 static int osd_object_invariant(const struct lu_object *l)
133 return osd_invariant(osd_obj(l));
137 * Concurrency: doesn't matter
141 * Concurrency: doesn't matter
143 static int osd_write_locked(const struct lu_env *env, struct osd_object *o)
145 struct osd_thread_info *oti = osd_oti_get(env);
146 return oti->oti_w_locks > 0 && o->oo_owner == env;
150 * Concurrency: doesn't access mutable data
152 static int osd_root_get(const struct lu_env *env,
153 struct dt_device *dev, struct lu_fid *f)
155 lu_local_obj_fid(f, OSD_FS_ROOT_OID);
160 * OSD object methods.
164 * Concurrency: no concurrent access is possible that early in object
167 static struct lu_object *osd_object_alloc(const struct lu_env *env,
168 const struct lu_object_header *hdr,
171 struct osd_object *mo;
177 l = &mo->oo_dt.do_lu;
178 dt_object_init(&mo->oo_dt, NULL, d);
179 mo->oo_dt.do_ops = &osd_obj_ea_ops;
180 l->lo_ops = &osd_lu_obj_ops;
181 init_rwsem(&mo->oo_sem);
182 init_rwsem(&mo->oo_ext_idx_sem);
183 spin_lock_init(&mo->oo_guard);
190 int osd_get_lma(struct osd_thread_info *info, struct inode *inode,
191 struct dentry *dentry, struct lustre_mdt_attrs *lma)
195 CLASSERT(LMA_OLD_SIZE >= sizeof(*lma));
196 rc = __osd_xattr_get(inode, dentry, XATTR_NAME_LMA,
197 info->oti_mdt_attrs_old, LMA_OLD_SIZE);
199 if ((void *)lma != (void *)info->oti_mdt_attrs_old)
200 memcpy(lma, info->oti_mdt_attrs_old, sizeof(*lma));
202 lustre_lma_swab(lma);
203 /* Check LMA compatibility */
204 if (lma->lma_incompat & ~LMA_INCOMPAT_SUPP) {
205 CWARN("%.16s: unsupported incompat LMA feature(s) %#x "
206 "for fid = "DFID", ino = %lu\n",
207 LDISKFS_SB(inode->i_sb)->s_es->s_volume_name,
208 lma->lma_incompat & ~LMA_INCOMPAT_SUPP,
209 PFID(&lma->lma_self_fid), inode->i_ino);
212 } else if (rc == 0) {
220 * retrieve object from backend ext fs.
222 struct inode *osd_iget(struct osd_thread_info *info, struct osd_device *dev,
223 struct osd_inode_id *id)
225 struct inode *inode = NULL;
227 inode = ldiskfs_iget(osd_sb(dev), id->oii_ino);
229 CDEBUG(D_INODE, "no inode: ino = %u, rc = %ld\n",
230 id->oii_ino, PTR_ERR(inode));
231 } else if (id->oii_gen != OSD_OII_NOGEN &&
232 inode->i_generation != id->oii_gen) {
233 CDEBUG(D_INODE, "unmatched inode: ino = %u, oii_gen = %u, "
234 "i_generation = %u\n",
235 id->oii_ino, id->oii_gen, inode->i_generation);
237 inode = ERR_PTR(-ESTALE);
238 } else if (inode->i_nlink == 0) {
239 /* due to parallel readdir and unlink,
240 * we can have dead inode here. */
241 CDEBUG(D_INODE, "stale inode: ino = %u\n", id->oii_ino);
243 inode = ERR_PTR(-ESTALE);
244 } else if (is_bad_inode(inode)) {
245 CWARN("%.16s: bad inode: ino = %u\n",
246 LDISKFS_SB(osd_sb(dev))->s_es->s_volume_name, id->oii_ino);
248 inode = ERR_PTR(-ENOENT);
250 if (id->oii_gen == OSD_OII_NOGEN)
251 osd_id_gen(id, inode->i_ino, inode->i_generation);
253 /* Do not update file c/mtime in ldiskfs.
254 * NB: we don't have any lock to protect this because we don't
255 * have reference on osd_object now, but contention with
256 * another lookup + attr_set can't happen in the tiny window
257 * between if (...) and set S_NOCMTIME. */
258 if (!(inode->i_flags & S_NOCMTIME))
259 inode->i_flags |= S_NOCMTIME;
264 static struct inode *
265 osd_iget_fid(struct osd_thread_info *info, struct osd_device *dev,
266 struct osd_inode_id *id, struct lu_fid *fid)
268 struct lustre_mdt_attrs *lma = &info->oti_mdt_attrs;
272 inode = osd_iget(info, dev, id);
276 rc = osd_get_lma(info, inode, &info->oti_obj_dentry, lma);
278 *fid = lma->lma_self_fid;
279 } else if (rc == -ENODATA) {
280 if (unlikely(inode == osd_sb(dev)->s_root->d_inode))
281 lu_local_obj_fid(fid, OSD_FS_ROOT_OID);
283 lu_igif_build(fid, inode->i_ino, inode->i_generation);
291 static struct inode *osd_iget_check(struct osd_thread_info *info,
292 struct osd_device *dev,
293 const struct lu_fid *fid,
294 struct osd_inode_id *id,
301 inode = ldiskfs_iget(osd_sb(dev), id->oii_ino);
304 if (!in_oi || (rc != -ENOENT && rc != -ESTALE)) {
305 CDEBUG(D_INODE, "no inode: ino = %u, rc = %d\n",
314 if (is_bad_inode(inode)) {
317 CDEBUG(D_INODE, "bad inode: ino = %u\n", id->oii_ino);
325 if (id->oii_gen != OSD_OII_NOGEN &&
326 inode->i_generation != id->oii_gen) {
329 CDEBUG(D_INODE, "unmatched inode: ino = %u, "
330 "oii_gen = %u, i_generation = %u\n",
331 id->oii_ino, id->oii_gen, inode->i_generation);
339 if (inode->i_nlink == 0) {
342 CDEBUG(D_INODE, "stale inode: ino = %u\n", id->oii_ino);
352 LASSERTF(rc == -ESTALE || rc == -ENOENT, "rc = %d\n", rc);
354 rc = osd_oi_lookup(info, dev, fid, id, OI_CHECK_FLD);
355 /* XXX: There are some possible cases:
357 * Backup/restore caused the OI invalid.
359 * Someone unlinked the object but NOT removed
360 * the OI mapping, such as mount target device
361 * as ldiskfs, and modify something directly.
363 * Someone just removed the object between the
364 * former oi_lookup and the iget. It is normal.
365 * 4. Other failure cases.
367 * Generally, when the device is mounted, it will
368 * auto check whether the system is restored from
369 * file-level backup or not. We trust such detect
370 * to distinguish the 1st case from the 2nd case. */
372 if (!IS_ERR(inode) && inode->i_generation != 0 &&
373 inode->i_generation == id->oii_gen)
379 if (id->oii_gen == OSD_OII_NOGEN)
380 osd_id_gen(id, inode->i_ino, inode->i_generation);
382 /* Do not update file c/mtime in ldiskfs.
383 * NB: we don't have any lock to protect this because we don't
384 * have reference on osd_object now, but contention with
385 * another lookup + attr_set can't happen in the tiny window
386 * between if (...) and set S_NOCMTIME. */
387 if (!(inode->i_flags & S_NOCMTIME))
388 inode->i_flags |= S_NOCMTIME;
405 * \retval +v: new filter_fid, does not contain self-fid
406 * \retval 0: filter_fid_old, contains self-fid
407 * \retval -v: other failure cases
409 int osd_get_idif(struct osd_thread_info *info, struct inode *inode,
410 struct dentry *dentry, struct lu_fid *fid)
412 struct filter_fid_old *ff = &info->oti_ff;
413 struct ost_id *ostid = &info->oti_ostid;
416 rc = __osd_xattr_get(inode, dentry, XATTR_NAME_FID, ff, sizeof(*ff));
417 if (rc == sizeof(*ff)) {
419 ostid_set_seq(ostid, le64_to_cpu(ff->ff_seq));
420 ostid_set_id(ostid, le64_to_cpu(ff->ff_objid));
421 /* XXX: should use real OST index in the future. LU-3569 */
422 ostid_to_fid(fid, ostid, 0);
423 } else if (rc == sizeof(struct filter_fid)) {
425 } else if (rc >= 0) {
432 static int osd_lma_self_repair(struct osd_thread_info *info,
433 struct osd_device *osd, struct inode *inode,
434 const struct lu_fid *fid, __u32 compat)
439 LASSERT(current->journal_info == NULL);
441 jh = osd_journal_start_sb(osd_sb(osd), LDISKFS_HT_MISC,
442 osd_dto_credits_noquota[DTO_XATTR_SET]);
445 CWARN("%s: cannot start journal for lma_self_repair: rc = %d\n",
450 rc = osd_ea_fid_set(info, inode, fid, compat, 0);
452 CWARN("%s: cannot self repair the LMA: rc = %d\n",
454 ldiskfs_journal_stop(jh);
458 static int osd_check_lma(const struct lu_env *env, struct osd_object *obj)
460 struct osd_thread_info *info = osd_oti_get(env);
461 struct osd_device *osd = osd_obj2dev(obj);
462 struct lustre_mdt_attrs *lma = &info->oti_mdt_attrs;
463 struct inode *inode = obj->oo_inode;
464 struct dentry *dentry = &info->oti_obj_dentry;
465 struct lu_fid *fid = NULL;
466 const struct lu_fid *rfid = lu_object_fid(&obj->oo_dt.do_lu);
470 CLASSERT(LMA_OLD_SIZE >= sizeof(*lma));
471 rc = __osd_xattr_get(inode, dentry, XATTR_NAME_LMA,
472 info->oti_mdt_attrs_old, LMA_OLD_SIZE);
473 if (rc == -ENODATA && !fid_is_igif(rfid) && osd->od_check_ff) {
474 fid = &lma->lma_self_fid;
475 rc = osd_get_idif(info, inode, dentry, fid);
476 if ((rc > 0) || (rc == -ENODATA && osd->od_lma_self_repair)) {
477 /* For the given OST-object, if it has neither LMA nor
478 * FID in XATTR_NAME_FID, then the given FID (which is
479 * contained in the @obj, from client RPC for locating
480 * the OST-object) is trusted. We use it to generate
482 osd_lma_self_repair(info, osd, inode, rfid,
483 fid_is_on_ost(info, osd, fid, OI_CHECK_FLD) ?
484 LMAC_FID_ON_OST : 0);
489 if (unlikely(rc == -ENODATA))
497 lustre_lma_swab(lma);
498 if (unlikely((lma->lma_incompat & ~LMA_INCOMPAT_SUPP) ||
499 CFS_FAIL_CHECK(OBD_FAIL_OSD_LMA_INCOMPAT))) {
500 CWARN("%s: unsupported incompat LMA feature(s) %#x for "
501 "fid = "DFID", ino = %lu\n", osd_name(osd),
502 lma->lma_incompat & ~LMA_INCOMPAT_SUPP,
503 PFID(rfid), inode->i_ino);
505 } else if (!(lma->lma_compat & LMAC_NOT_IN_OI)) {
506 fid = &lma->lma_self_fid;
510 if (fid != NULL && unlikely(!lu_fid_eq(rfid, fid))) {
511 if (fid_is_idif(rfid) && fid_is_idif(fid)) {
512 struct ost_id *oi = &info->oti_ostid;
513 struct lu_fid *fid1 = &info->oti_fid3;
514 __u32 idx = fid_idif_ost_idx(rfid);
516 /* For old IDIF, the OST index is not part of the IDIF,
517 * Means that different OSTs may have the same IDIFs.
518 * Under such case, we need to make some compatible
519 * check to make sure to trigger OI scrub properly. */
520 if (idx != 0 && fid_idif_ost_idx(fid) == 0) {
521 /* Given @rfid is new, LMA is old. */
522 fid_to_ostid(fid, oi);
523 ostid_to_fid(fid1, oi, idx);
524 if (lu_fid_eq(fid1, rfid)) {
525 if (osd->od_lma_self_repair)
526 osd_lma_self_repair(info, osd,
534 CDEBUG(D_INODE, "%s: FID "DFID" != self_fid "DFID"\n",
535 osd_name(osd), PFID(rfid), PFID(fid));
542 static int osd_fid_lookup(const struct lu_env *env, struct osd_object *obj,
543 const struct lu_fid *fid,
544 const struct lu_object_conf *conf)
546 struct osd_thread_info *info;
547 struct lu_device *ldev = obj->oo_dt.do_lu.lo_dev;
548 struct osd_device *dev;
549 struct osd_idmap_cache *oic;
550 struct osd_inode_id *id;
552 struct osd_scrub *scrub;
553 struct scrub_file *sf;
557 bool triggered = false;
560 LINVRNT(osd_invariant(obj));
561 LASSERT(obj->oo_inode == NULL);
562 LASSERTF(fid_is_sane(fid) || fid_is_idif(fid), DFID"\n", PFID(fid));
565 scrub = &dev->od_scrub;
566 sf = &scrub->os_file;
567 info = osd_oti_get(env);
569 oic = &info->oti_cache;
571 if (OBD_FAIL_CHECK(OBD_FAIL_OST_ENOENT))
574 /* For the object is created as locking anchor, or for the object to
575 * be created on disk. No need to osd_oi_lookup() at here because FID
576 * shouldn't never be re-used, if it's really a duplicate FID from
577 * unexpected reason, we should be able to detect it later by calling
578 * do_create->osd_oi_insert(). */
579 if (conf != NULL && conf->loc_flags & LOC_F_NEW)
580 GOTO(out, result = 0);
582 /* Search order: 1. per-thread cache. */
583 if (lu_fid_eq(fid, &oic->oic_fid) &&
584 likely(oic->oic_dev == dev)) {
590 if (!list_empty(&scrub->os_inconsistent_items)) {
591 /* Search order: 2. OI scrub pending list. */
592 result = osd_oii_lookup(dev, fid, id);
597 /* Search order: 3. OI files. */
598 result = osd_oi_lookup(info, dev, fid, id, OI_CHECK_FLD);
599 if (result == -ENOENT) {
600 if (!fid_is_norm(fid) ||
601 fid_is_on_ost(info, dev, fid, OI_CHECK_FLD) ||
602 !ldiskfs_test_bit(osd_oi_fid2idx(dev,fid),
604 GOTO(out, result = 0);
615 inode = osd_iget_check(info, dev, fid, id, in_oi);
617 result = PTR_ERR(inode);
618 if (result == -ENOENT || result == -ESTALE) {
620 fid_zero(&oic->oic_fid);
622 GOTO(out, result = -ENOENT);
623 } else if (result == -EREMCHG) {
627 fid_zero(&oic->oic_fid);
629 if (unlikely(triggered))
630 GOTO(out, result = saved);
633 if (thread_is_running(&scrub->os_thread)) {
634 result = -EINPROGRESS;
635 } else if (!dev->od_noscrub) {
636 result = osd_scrub_start(dev);
637 LCONSOLE_WARN("%.16s: trigger OI scrub by RPC "
638 "for "DFID", rc = %d [1]\n",
639 osd_name(dev), PFID(fid),result);
640 if (result == 0 || result == -EALREADY)
641 result = -EINPROGRESS;
646 /* We still have chance to get the valid inode: for the
647 * object which is referenced by remote name entry, the
648 * object on the local MDT will be linked under the dir
649 * of "/REMOTE_PARENT_DIR" with its FID string as name.
651 * We do not know whether the object for the given FID
652 * is referenced by some remote name entry or not, and
653 * especially for DNE II, a multiple-linked object may
654 * have many name entries reside on many MDTs.
656 * To simplify the operation, OSD will not distinguish
657 * more, just lookup "/REMOTE_PARENT_DIR". Usually, it
658 * only happened for the RPC from other MDT during the
659 * OI scrub, or for the client side RPC with FID only,
660 * such as FID to path, or from old connected client. */
662 result = osd_lookup_in_remote_parent(info, dev,
675 obj->oo_inode = inode;
676 LASSERT(obj->oo_inode->i_sb == osd_sb(dev));
678 result = osd_check_lma(env, obj);
681 obj->oo_inode = NULL;
682 if (result == -EREMCHG) {
684 result = osd_oi_lookup(info, dev, fid, id,
687 fid_zero(&oic->oic_fid);
698 obj->oo_compat_dot_created = 1;
699 obj->oo_compat_dotdot_created = 1;
701 if (!S_ISDIR(inode->i_mode) || !ldiskfs_pdo) /* done */
702 GOTO(out, result = 0);
704 LASSERT(obj->oo_hl_head == NULL);
705 obj->oo_hl_head = ldiskfs_htree_lock_head_alloc(HTREE_HBITS_DEF);
706 if (obj->oo_hl_head == NULL) {
707 obj->oo_inode = NULL;
709 GOTO(out, result = -ENOMEM);
711 GOTO(out, result = 0);
714 LINVRNT(osd_invariant(obj));
719 * Concurrency: shouldn't matter.
721 static void osd_object_init0(struct osd_object *obj)
723 LASSERT(obj->oo_inode != NULL);
724 obj->oo_dt.do_body_ops = &osd_body_ops;
725 obj->oo_dt.do_lu.lo_header->loh_attr |=
726 (LOHA_EXISTS | (obj->oo_inode->i_mode & S_IFMT));
730 * Concurrency: no concurrent access is possible that early in object
733 static int osd_object_init(const struct lu_env *env, struct lu_object *l,
734 const struct lu_object_conf *conf)
736 struct osd_object *obj = osd_obj(l);
739 LINVRNT(osd_invariant(obj));
741 if (fid_is_otable_it(&l->lo_header->loh_fid)) {
742 obj->oo_dt.do_ops = &osd_obj_otable_it_ops;
743 l->lo_header->loh_attr |= LOHA_EXISTS;
747 result = osd_fid_lookup(env, obj, lu_object_fid(l), conf);
748 obj->oo_dt.do_body_ops = &osd_body_ops_new;
749 if (result == 0 && obj->oo_inode != NULL)
750 osd_object_init0(obj);
752 LINVRNT(osd_invariant(obj));
757 * Concurrency: no concurrent access is possible that late in object
760 static void osd_object_free(const struct lu_env *env, struct lu_object *l)
762 struct osd_object *obj = osd_obj(l);
764 LINVRNT(osd_invariant(obj));
766 dt_object_fini(&obj->oo_dt);
767 if (obj->oo_hl_head != NULL)
768 ldiskfs_htree_lock_head_free(obj->oo_hl_head);
773 * Concurrency: no concurrent access is possible that late in object
776 static void osd_index_fini(struct osd_object *o)
778 struct iam_container *bag;
780 if (o->oo_dir != NULL) {
781 bag = &o->oo_dir->od_container;
782 if (o->oo_inode != NULL) {
783 if (bag->ic_object == o->oo_inode)
784 iam_container_fini(bag);
786 OBD_FREE_PTR(o->oo_dir);
792 * Concurrency: no concurrent access is possible that late in object
793 * life-cycle (for all existing callers, that is. New callers have to provide
794 * their own locking.)
796 static int osd_inode_unlinked(const struct inode *inode)
798 return inode->i_nlink == 0;
802 OSD_TXN_OI_DELETE_CREDITS = 20,
803 OSD_TXN_INODE_DELETE_CREDITS = 20
810 #if OSD_THANDLE_STATS
812 * Set time when the handle is allocated
814 static void osd_th_alloced(struct osd_thandle *oth)
816 oth->oth_alloced = cfs_time_current();
820 * Set time when the handle started
822 static void osd_th_started(struct osd_thandle *oth)
824 oth->oth_started = cfs_time_current();
828 * Helper function to convert time interval to microseconds packed in
831 static long interval_to_usec(cfs_time_t start, cfs_time_t end)
835 cfs_duration_usec(cfs_time_sub(end, start), &val);
836 return val.tv_sec * 1000000 + val.tv_usec;
840 * Check whether the we deal with this handle for too long.
842 static void __osd_th_check_slow(void *oth, struct osd_device *dev,
843 cfs_time_t alloced, cfs_time_t started,
846 cfs_time_t now = cfs_time_current();
848 LASSERT(dev != NULL);
850 lprocfs_counter_add(dev->od_stats, LPROC_OSD_THANDLE_STARTING,
851 interval_to_usec(alloced, started));
852 lprocfs_counter_add(dev->od_stats, LPROC_OSD_THANDLE_OPEN,
853 interval_to_usec(started, closed));
854 lprocfs_counter_add(dev->od_stats, LPROC_OSD_THANDLE_CLOSING,
855 interval_to_usec(closed, now));
857 if (cfs_time_before(cfs_time_add(alloced, cfs_time_seconds(30)), now)) {
858 CWARN("transaction handle %p was open for too long: "
860 "alloced "CFS_TIME_T" ,"
861 "started "CFS_TIME_T" ,"
862 "closed "CFS_TIME_T"\n",
863 oth, now, alloced, started, closed);
864 libcfs_debug_dumpstack(NULL);
868 #define OSD_CHECK_SLOW_TH(oth, dev, expr) \
870 cfs_time_t __closed = cfs_time_current(); \
871 cfs_time_t __alloced = oth->oth_alloced; \
872 cfs_time_t __started = oth->oth_started; \
875 __osd_th_check_slow(oth, dev, __alloced, __started, __closed); \
878 #else /* OSD_THANDLE_STATS */
880 #define osd_th_alloced(h) do {} while(0)
881 #define osd_th_started(h) do {} while(0)
882 #define OSD_CHECK_SLOW_TH(oth, dev, expr) expr
884 #endif /* OSD_THANDLE_STATS */
887 * Concurrency: doesn't access mutable data.
889 static int osd_param_is_not_sane(const struct osd_device *dev,
890 const struct thandle *th)
892 struct osd_thandle *oh = container_of(th, typeof(*oh), ot_super);
894 return oh->ot_credits > osd_transaction_size(dev);
898 * Concurrency: shouldn't matter.
900 static void osd_trans_commit_cb(struct super_block *sb,
901 struct ldiskfs_journal_cb_entry *jcb, int error)
903 struct osd_thandle *oh = container_of0(jcb, struct osd_thandle, ot_jcb);
904 struct thandle *th = &oh->ot_super;
905 struct lu_device *lud = &th->th_dev->dd_lu_dev;
906 struct dt_txn_commit_cb *dcb, *tmp;
908 LASSERT(oh->ot_handle == NULL);
911 CERROR("transaction @0x%p commit error: %d\n", th, error);
913 dt_txn_hook_commit(th);
915 /* call per-transaction callbacks if any */
916 list_for_each_entry_safe(dcb, tmp, &oh->ot_dcb_list, dcb_linkage) {
917 LASSERTF(dcb->dcb_magic == TRANS_COMMIT_CB_MAGIC,
918 "commit callback entry: magic=%x name='%s'\n",
919 dcb->dcb_magic, dcb->dcb_name);
920 list_del_init(&dcb->dcb_linkage);
921 dcb->dcb_func(NULL, th, dcb, error);
924 lu_ref_del_at(&lud->ld_reference, &oh->ot_dev_link, "osd-tx", th);
928 lu_context_exit(&th->th_ctx);
929 lu_context_fini(&th->th_ctx);
933 static struct thandle *osd_trans_create(const struct lu_env *env,
936 struct osd_thread_info *oti = osd_oti_get(env);
937 struct osd_iobuf *iobuf = &oti->oti_iobuf;
938 struct osd_thandle *oh;
942 /* on pending IO in this thread should left from prev. request */
943 LASSERT(atomic_read(&iobuf->dr_numreqs) == 0);
945 th = ERR_PTR(-ENOMEM);
946 OBD_ALLOC_GFP(oh, sizeof *oh, GFP_NOFS);
948 oh->ot_quota_trans = &oti->oti_quota_trans;
949 memset(oh->ot_quota_trans, 0, sizeof(*oh->ot_quota_trans));
953 th->th_tags = LCT_TX_HANDLE;
955 atomic_set(&th->th_refc, 1);
956 th->th_alloc_size = sizeof(*oh);
957 oti->oti_dev = osd_dt_dev(d);
958 INIT_LIST_HEAD(&oh->ot_dcb_list);
961 memset(oti->oti_declare_ops, 0,
962 sizeof(oti->oti_declare_ops));
963 memset(oti->oti_declare_ops_rb, 0,
964 sizeof(oti->oti_declare_ops_rb));
965 memset(oti->oti_declare_ops_cred, 0,
966 sizeof(oti->oti_declare_ops_cred));
967 oti->oti_rollback = false;
973 * Concurrency: shouldn't matter.
975 int osd_trans_start(const struct lu_env *env, struct dt_device *d,
978 struct osd_thread_info *oti = osd_oti_get(env);
979 struct osd_device *dev = osd_dt_dev(d);
981 struct osd_thandle *oh;
986 LASSERT(current->journal_info == NULL);
988 oh = container_of0(th, struct osd_thandle, ot_super);
990 LASSERT(oh->ot_handle == NULL);
992 rc = dt_txn_hook_start(env, d, th);
996 if (unlikely(osd_param_is_not_sane(dev, th))) {
997 static unsigned long last_printed;
998 static int last_credits;
1000 CWARN("%.16s: too many transaction credits (%d > %d)\n",
1001 LDISKFS_SB(osd_sb(dev))->s_es->s_volume_name,
1003 osd_journal(dev)->j_max_transaction_buffers);
1004 CWARN(" create: %u/%u, destroy: %u/%u\n",
1005 oti->oti_declare_ops[OSD_OT_CREATE],
1006 oti->oti_declare_ops_cred[OSD_OT_CREATE],
1007 oti->oti_declare_ops[OSD_OT_DESTROY],
1008 oti->oti_declare_ops_cred[OSD_OT_DESTROY]);
1009 CWARN(" attr_set: %u/%u, xattr_set: %u/%u\n",
1010 oti->oti_declare_ops[OSD_OT_ATTR_SET],
1011 oti->oti_declare_ops_cred[OSD_OT_ATTR_SET],
1012 oti->oti_declare_ops[OSD_OT_XATTR_SET],
1013 oti->oti_declare_ops_cred[OSD_OT_XATTR_SET]);
1014 CWARN(" write: %u/%u, punch: %u/%u, quota %u/%u\n",
1015 oti->oti_declare_ops[OSD_OT_WRITE],
1016 oti->oti_declare_ops_cred[OSD_OT_WRITE],
1017 oti->oti_declare_ops[OSD_OT_PUNCH],
1018 oti->oti_declare_ops_cred[OSD_OT_PUNCH],
1019 oti->oti_declare_ops[OSD_OT_QUOTA],
1020 oti->oti_declare_ops_cred[OSD_OT_QUOTA]);
1021 CWARN(" insert: %u/%u, delete: %u/%u\n",
1022 oti->oti_declare_ops[OSD_OT_INSERT],
1023 oti->oti_declare_ops_cred[OSD_OT_INSERT],
1024 oti->oti_declare_ops[OSD_OT_DELETE],
1025 oti->oti_declare_ops_cred[OSD_OT_DELETE]);
1026 CWARN(" ref_add: %u/%u, ref_del: %u/%u\n",
1027 oti->oti_declare_ops[OSD_OT_REF_ADD],
1028 oti->oti_declare_ops_cred[OSD_OT_REF_ADD],
1029 oti->oti_declare_ops[OSD_OT_REF_DEL],
1030 oti->oti_declare_ops_cred[OSD_OT_REF_DEL]);
1032 if (last_credits != oh->ot_credits &&
1033 time_after(jiffies, last_printed + 60 * HZ)) {
1034 libcfs_debug_dumpstack(NULL);
1035 last_credits = oh->ot_credits;
1036 last_printed = jiffies;
1038 /* XXX Limit the credits to 'max_transaction_buffers', and
1039 * let the underlying filesystem to catch the error if
1040 * we really need so many credits.
1042 * This should be removed when we can calculate the
1043 * credits precisely. */
1044 oh->ot_credits = osd_transaction_size(dev);
1048 * XXX temporary stuff. Some abstraction layer should
1051 jh = osd_journal_start_sb(osd_sb(dev), LDISKFS_HT_MISC, oh->ot_credits);
1055 LASSERT(oti->oti_txns == 0);
1056 lu_context_init(&th->th_ctx, th->th_tags);
1057 lu_context_enter(&th->th_ctx);
1059 lu_device_get(&d->dd_lu_dev);
1060 lu_ref_add_at(&d->dd_lu_dev.ld_reference, &oh->ot_dev_link,
1071 static int osd_seq_exists(const struct lu_env *env,
1072 struct osd_device *osd, obd_seq seq)
1074 struct lu_seq_range *range = &osd_oti_get(env)->oti_seq_range;
1075 struct seq_server_site *ss = osd_seq_site(osd);
1079 LASSERT(ss != NULL);
1080 LASSERT(ss->ss_server_fld != NULL);
1082 rc = osd_fld_lookup(env, osd, seq, range);
1085 CERROR("%s: can't lookup FLD sequence "LPX64
1086 ": rc = %d\n", osd_name(osd), seq, rc);
1090 RETURN(ss->ss_node_id == range->lsr_index);
1094 * Concurrency: shouldn't matter.
1096 static int osd_trans_stop(const struct lu_env *env, struct dt_device *dt,
1100 struct osd_thandle *oh;
1101 struct osd_thread_info *oti = osd_oti_get(env);
1102 struct osd_iobuf *iobuf = &oti->oti_iobuf;
1103 struct qsd_instance *qsd = oti->oti_dev->od_quota_slave;
1104 struct lquota_trans *qtrans;
1107 oh = container_of0(th, struct osd_thandle, ot_super);
1109 qtrans = oh->ot_quota_trans;
1110 oh->ot_quota_trans = NULL;
1112 if (oh->ot_handle != NULL) {
1113 handle_t *hdl = oh->ot_handle;
1116 * add commit callback
1117 * notice we don't do this in osd_trans_start()
1118 * as underlying transaction can change during truncate
1120 ldiskfs_journal_callback_add(hdl, osd_trans_commit_cb,
1123 LASSERT(oti->oti_txns == 1);
1125 rc = dt_txn_hook_stop(env, th);
1127 CERROR("Failure in transaction hook: %d\n", rc);
1129 /* hook functions might modify th_sync */
1130 hdl->h_sync = th->th_sync;
1132 oh->ot_handle = NULL;
1133 OSD_CHECK_SLOW_TH(oh, oti->oti_dev,
1134 rc = ldiskfs_journal_stop(hdl));
1136 CERROR("Failure to stop transaction: %d\n", rc);
1138 thandle_put(&oh->ot_super);
1141 /* inform the quota slave device that the transaction is stopping */
1142 qsd_op_end(env, qsd, qtrans);
1144 /* as we want IO to journal and data IO be concurrent, we don't block
1145 * awaiting data IO completion in osd_do_bio(), instead we wait here
1146 * once transaction is submitted to the journal. all reqular requests
1147 * don't do direct IO (except read/write), thus this wait_event becomes
1150 * IMPORTANT: we have to wait till any IO submited by the thread is
1151 * completed otherwise iobuf may be corrupted by different request
1153 wait_event(iobuf->dr_wait,
1154 atomic_read(&iobuf->dr_numreqs) == 0);
1155 osd_fini_iobuf(oti->oti_dev, iobuf);
1157 rc = iobuf->dr_error;
1162 static int osd_trans_cb_add(struct thandle *th, struct dt_txn_commit_cb *dcb)
1164 struct osd_thandle *oh = container_of0(th, struct osd_thandle,
1167 LASSERT(dcb->dcb_magic == TRANS_COMMIT_CB_MAGIC);
1168 LASSERT(&dcb->dcb_func != NULL);
1169 list_add(&dcb->dcb_linkage, &oh->ot_dcb_list);
1175 * Called just before object is freed. Releases all resources except for
1176 * object itself (that is released by osd_object_free()).
1178 * Concurrency: no concurrent access is possible that late in object
1181 static void osd_object_delete(const struct lu_env *env, struct lu_object *l)
1183 struct osd_object *obj = osd_obj(l);
1184 struct inode *inode = obj->oo_inode;
1186 LINVRNT(osd_invariant(obj));
1189 * If object is unlinked remove fid->ino mapping from object index.
1192 osd_index_fini(obj);
1193 if (inode != NULL) {
1194 struct qsd_instance *qsd = osd_obj2dev(obj)->od_quota_slave;
1195 qid_t uid = i_uid_read(inode);
1196 qid_t gid = i_gid_read(inode);
1199 obj->oo_inode = NULL;
1202 struct osd_thread_info *info = osd_oti_get(env);
1203 struct lquota_id_info *qi = &info->oti_qi;
1205 /* Release granted quota to master if necessary */
1206 qi->lqi_id.qid_uid = uid;
1207 qsd_op_adjust(env, qsd, &qi->lqi_id, USRQUOTA);
1209 qi->lqi_id.qid_uid = gid;
1210 qsd_op_adjust(env, qsd, &qi->lqi_id, GRPQUOTA);
1216 * Concurrency: ->loo_object_release() is called under site spin-lock.
1218 static void osd_object_release(const struct lu_env *env,
1219 struct lu_object *l)
1224 * Concurrency: shouldn't matter.
1226 static int osd_object_print(const struct lu_env *env, void *cookie,
1227 lu_printer_t p, const struct lu_object *l)
1229 struct osd_object *o = osd_obj(l);
1230 struct iam_descr *d;
1232 if (o->oo_dir != NULL)
1233 d = o->oo_dir->od_container.ic_descr;
1236 return (*p)(env, cookie,
1237 LUSTRE_OSD_LDISKFS_NAME"-object@%p(i:%p:%lu/%u)[%s]",
1239 o->oo_inode ? o->oo_inode->i_ino : 0UL,
1240 o->oo_inode ? o->oo_inode->i_generation : 0,
1241 d ? d->id_ops->id_name : "plain");
1244 #define GRANT_FOR_LOCAL_OIDS 32 /* 128kB for last_rcvd, quota files, ... */
1247 * Concurrency: shouldn't matter.
1249 int osd_statfs(const struct lu_env *env, struct dt_device *d,
1250 struct obd_statfs *sfs)
1252 struct osd_device *osd = osd_dt_dev(d);
1253 struct super_block *sb = osd_sb(osd);
1254 struct kstatfs *ksfs;
1257 if (unlikely(osd->od_mnt == NULL))
1258 return -EINPROGRESS;
1260 /* osd_lproc.c call this without env, allocate ksfs for that case */
1261 if (unlikely(env == NULL)) {
1262 OBD_ALLOC_PTR(ksfs);
1266 ksfs = &osd_oti_get(env)->oti_ksfs;
1269 spin_lock(&osd->od_osfs_lock);
1270 result = sb->s_op->statfs(sb->s_root, ksfs);
1271 if (likely(result == 0)) { /* N.B. statfs can't really fail */
1272 statfs_pack(sfs, ksfs);
1273 if (sb->s_flags & MS_RDONLY)
1274 sfs->os_state = OS_STATE_READONLY;
1277 spin_unlock(&osd->od_osfs_lock);
1279 if (unlikely(env == NULL))
1282 /* Reserve a small amount of space for local objects like last_rcvd,
1283 * llog, quota files, ... */
1284 if (sfs->os_bavail <= GRANT_FOR_LOCAL_OIDS) {
1287 sfs->os_bavail -= GRANT_FOR_LOCAL_OIDS;
1288 /** Take out metadata overhead for indirect blocks */
1289 sfs->os_bavail -= sfs->os_bavail >> (sb->s_blocksize_bits - 3);
1296 * Estimate space needed for file creations. We assume the largest filename
1297 * which is 2^64 - 1, hence a filename of 20 chars.
1298 * This is 28 bytes per object which is 28MB for 1M objects ... no so bad.
1300 #ifdef __LDISKFS_DIR_REC_LEN
1301 #define PER_OBJ_USAGE __LDISKFS_DIR_REC_LEN(20)
1303 #define PER_OBJ_USAGE LDISKFS_DIR_REC_LEN(20)
1307 * Concurrency: doesn't access mutable data.
1309 static void osd_conf_get(const struct lu_env *env,
1310 const struct dt_device *dev,
1311 struct dt_device_param *param)
1313 struct super_block *sb = osd_sb(osd_dt_dev(dev));
1317 * XXX should be taken from not-yet-existing fs abstraction layer.
1319 param->ddp_max_name_len = LDISKFS_NAME_LEN;
1320 param->ddp_max_nlink = LDISKFS_LINK_MAX;
1321 param->ddp_block_shift = sb->s_blocksize_bits;
1322 param->ddp_mount_type = LDD_MT_LDISKFS;
1323 param->ddp_maxbytes = sb->s_maxbytes;
1324 /* Overhead estimate should be fairly accurate, so we really take a tiny
1325 * error margin which also avoids fragmenting the filesystem too much */
1326 param->ddp_grant_reserved = 2; /* end up to be 1.9% after conversion */
1327 /* inode are statically allocated, so per-inode space consumption
1328 * is the space consumed by the directory entry */
1329 param->ddp_inodespace = PER_OBJ_USAGE;
1330 /* per-fragment overhead to be used by the client code */
1331 param->ddp_grant_frag = 6 * LDISKFS_BLOCK_SIZE(sb);
1332 param->ddp_mntopts = 0;
1333 if (test_opt(sb, XATTR_USER))
1334 param->ddp_mntopts |= MNTOPT_USERXATTR;
1335 if (test_opt(sb, POSIX_ACL))
1336 param->ddp_mntopts |= MNTOPT_ACL;
1338 /* LOD might calculate the max stripe count based on max_ea_size,
1339 * so we need take account in the overhead as well,
1340 * xattr_header + magic + xattr_entry_head */
1341 ea_overhead = sizeof(struct ldiskfs_xattr_header) + sizeof(__u32) +
1342 LDISKFS_XATTR_LEN(XATTR_NAME_MAX_LEN);
1344 #if defined(LDISKFS_FEATURE_INCOMPAT_EA_INODE)
1345 if (LDISKFS_HAS_INCOMPAT_FEATURE(sb, LDISKFS_FEATURE_INCOMPAT_EA_INODE))
1346 param->ddp_max_ea_size = LDISKFS_XATTR_MAX_LARGE_EA_SIZE -
1350 param->ddp_max_ea_size = sb->s_blocksize - ea_overhead;
1354 * Concurrency: shouldn't matter.
1356 static int osd_sync(const struct lu_env *env, struct dt_device *d)
1358 CDEBUG(D_HA, "syncing OSD %s\n", LUSTRE_OSD_LDISKFS_NAME);
1359 return ldiskfs_force_commit(osd_sb(osd_dt_dev(d)));
1363 * Start commit for OSD device.
1365 * An implementation of dt_commit_async method for OSD device.
1366 * Asychronously starts underlayng fs sync and thereby a transaction
1369 * \param env environment
1370 * \param d dt device
1372 * \see dt_device_operations
1374 static int osd_commit_async(const struct lu_env *env,
1375 struct dt_device *d)
1377 struct super_block *s = osd_sb(osd_dt_dev(d));
1380 CDEBUG(D_HA, "async commit OSD %s\n", LUSTRE_OSD_LDISKFS_NAME);
1381 RETURN(s->s_op->sync_fs(s, 0));
1385 * Concurrency: shouldn't matter.
1388 static int osd_ro(const struct lu_env *env, struct dt_device *d)
1390 struct super_block *sb = osd_sb(osd_dt_dev(d));
1391 struct block_device *dev = sb->s_bdev;
1392 #ifdef HAVE_DEV_SET_RDONLY
1393 struct block_device *jdev = LDISKFS_SB(sb)->journal_bdev;
1396 int rc = -EOPNOTSUPP;
1400 #ifdef HAVE_DEV_SET_RDONLY
1401 CERROR("*** setting %s read-only ***\n", osd_dt_dev(d)->od_svname);
1403 if (jdev && (jdev != dev)) {
1404 CDEBUG(D_IOCTL | D_HA, "set journal dev %lx rdonly\n",
1406 dev_set_rdonly(jdev);
1408 CDEBUG(D_IOCTL | D_HA, "set dev %lx rdonly\n", (long)dev);
1409 dev_set_rdonly(dev);
1411 CERROR("%s: %lx CANNOT BE SET READONLY: rc = %d\n",
1412 osd_dt_dev(d)->od_svname, (long)dev, rc);
1418 * Concurrency: serialization provided by callers.
1420 static int osd_init_capa_ctxt(const struct lu_env *env, struct dt_device *d,
1421 int mode, unsigned long timeout, __u32 alg,
1422 struct lustre_capa_key *keys)
1424 struct osd_device *dev = osd_dt_dev(d);
1427 dev->od_fl_capa = mode;
1428 dev->od_capa_timeout = timeout;
1429 dev->od_capa_alg = alg;
1430 dev->od_capa_keys = keys;
1435 * Note: we do not count into QUOTA here.
1436 * If we mount with --data_journal we may need more.
1438 const int osd_dto_credits_noquota[DTO_NR] = {
1441 * INDEX_EXTRA_TRANS_BLOCKS(8) +
1442 * SINGLEDATA_TRANS_BLOCKS(8)
1443 * XXX Note: maybe iam need more, since iam have more level than
1446 [DTO_INDEX_INSERT] = 16,
1449 * just modify a single entry, probably merge few within a block
1451 [DTO_INDEX_DELETE] = 1,
1455 [DTO_INDEX_UPDATE] = 16,
1457 * 4(inode, inode bits, groups, GDT)
1458 * notice: OI updates are counted separately with DTO_INDEX_INSERT
1460 [DTO_OBJECT_CREATE] = 4,
1462 * 4(inode, inode bits, groups, GDT)
1463 * notice: OI updates are counted separately with DTO_INDEX_DELETE
1465 [DTO_OBJECT_DELETE] = 4,
1467 * Attr set credits (inode)
1469 [DTO_ATTR_SET_BASE] = 1,
1471 * Xattr set. The same as xattr of EXT3.
1472 * DATA_TRANS_BLOCKS(14)
1473 * XXX Note: in original MDS implmentation INDEX_EXTRA_TRANS_BLOCKS
1474 * are also counted in. Do not know why?
1476 [DTO_XATTR_SET] = 14,
1478 * credits for inode change during write.
1480 [DTO_WRITE_BASE] = 3,
1482 * credits for single block write.
1484 [DTO_WRITE_BLOCK] = 14,
1486 * Attr set credits for chown.
1487 * This is extra credits for setattr, and it is null without quota
1489 [DTO_ATTR_SET_CHOWN] = 0
1492 static const struct dt_device_operations osd_dt_ops = {
1493 .dt_root_get = osd_root_get,
1494 .dt_statfs = osd_statfs,
1495 .dt_trans_create = osd_trans_create,
1496 .dt_trans_start = osd_trans_start,
1497 .dt_trans_stop = osd_trans_stop,
1498 .dt_trans_cb_add = osd_trans_cb_add,
1499 .dt_conf_get = osd_conf_get,
1500 .dt_sync = osd_sync,
1502 .dt_commit_async = osd_commit_async,
1503 .dt_init_capa_ctxt = osd_init_capa_ctxt,
1506 static void osd_object_read_lock(const struct lu_env *env,
1507 struct dt_object *dt, unsigned role)
1509 struct osd_object *obj = osd_dt_obj(dt);
1510 struct osd_thread_info *oti = osd_oti_get(env);
1512 LINVRNT(osd_invariant(obj));
1514 LASSERT(obj->oo_owner != env);
1515 down_read_nested(&obj->oo_sem, role);
1517 LASSERT(obj->oo_owner == NULL);
1521 static void osd_object_write_lock(const struct lu_env *env,
1522 struct dt_object *dt, unsigned role)
1524 struct osd_object *obj = osd_dt_obj(dt);
1525 struct osd_thread_info *oti = osd_oti_get(env);
1527 LINVRNT(osd_invariant(obj));
1529 LASSERT(obj->oo_owner != env);
1530 down_write_nested(&obj->oo_sem, role);
1532 LASSERT(obj->oo_owner == NULL);
1533 obj->oo_owner = env;
1537 static void osd_object_read_unlock(const struct lu_env *env,
1538 struct dt_object *dt)
1540 struct osd_object *obj = osd_dt_obj(dt);
1541 struct osd_thread_info *oti = osd_oti_get(env);
1543 LINVRNT(osd_invariant(obj));
1545 LASSERT(oti->oti_r_locks > 0);
1547 up_read(&obj->oo_sem);
1550 static void osd_object_write_unlock(const struct lu_env *env,
1551 struct dt_object *dt)
1553 struct osd_object *obj = osd_dt_obj(dt);
1554 struct osd_thread_info *oti = osd_oti_get(env);
1556 LINVRNT(osd_invariant(obj));
1558 LASSERT(obj->oo_owner == env);
1559 LASSERT(oti->oti_w_locks > 0);
1561 obj->oo_owner = NULL;
1562 up_write(&obj->oo_sem);
1565 static int osd_object_write_locked(const struct lu_env *env,
1566 struct dt_object *dt)
1568 struct osd_object *obj = osd_dt_obj(dt);
1570 LINVRNT(osd_invariant(obj));
1572 return obj->oo_owner == env;
1575 static int capa_is_sane(const struct lu_env *env,
1576 struct osd_device *dev,
1577 struct lustre_capa *capa,
1578 struct lustre_capa_key *keys)
1580 struct osd_thread_info *oti = osd_oti_get(env);
1581 struct lustre_capa *tcapa = &oti->oti_capa;
1582 struct obd_capa *oc;
1586 oc = capa_lookup(dev->od_capa_hash, capa, 0);
1588 if (capa_is_expired(oc)) {
1589 DEBUG_CAPA(D_ERROR, capa, "expired");
1596 if (capa_is_expired_sec(capa)) {
1597 DEBUG_CAPA(D_ERROR, capa, "expired");
1601 spin_lock(&capa_lock);
1602 for (i = 0; i < 2; i++) {
1603 if (keys[i].lk_keyid == capa->lc_keyid) {
1604 oti->oti_capa_key = keys[i];
1608 spin_unlock(&capa_lock);
1611 DEBUG_CAPA(D_ERROR, capa, "no matched capa key");
1615 rc = capa_hmac(tcapa->lc_hmac, capa, oti->oti_capa_key.lk_key);
1619 if (memcmp(tcapa->lc_hmac, capa->lc_hmac, sizeof(capa->lc_hmac))) {
1620 DEBUG_CAPA(D_ERROR, capa, "HMAC mismatch");
1624 oc = capa_add(dev->od_capa_hash, capa);
1630 int osd_object_auth(const struct lu_env *env, struct dt_object *dt,
1631 struct lustre_capa *capa, __u64 opc)
1633 const struct lu_fid *fid = lu_object_fid(&dt->do_lu);
1634 struct osd_device *osd = osd_dev(dt->do_lu.lo_dev);
1635 struct lu_capainfo *lci;
1638 if (!osd->od_fl_capa)
1641 if (capa == BYPASS_CAPA)
1644 lci = lu_capainfo_get(env);
1645 if (unlikely(lci == NULL))
1648 if (lci->lci_auth == LC_ID_NONE)
1652 CERROR("%s: no capability provided for FID "DFID": rc = %d\n",
1653 osd_name(osd), PFID(fid), -EACCES);
1657 if (!lu_fid_eq(fid, &capa->lc_fid)) {
1658 DEBUG_CAPA(D_ERROR, capa, "fid "DFID" mismatch with",
1663 if (!capa_opc_supported(capa, opc)) {
1664 DEBUG_CAPA(D_ERROR, capa, "opc "LPX64" not supported by", opc);
1668 rc = capa_is_sane(env, osd, capa, osd->od_capa_keys);
1670 DEBUG_CAPA(D_ERROR, capa, "insane: rc = %d", rc);
1677 static struct timespec *osd_inode_time(const struct lu_env *env,
1678 struct inode *inode, __u64 seconds)
1680 struct osd_thread_info *oti = osd_oti_get(env);
1681 struct timespec *t = &oti->oti_time;
1683 t->tv_sec = seconds;
1685 *t = timespec_trunc(*t, inode->i_sb->s_time_gran);
1690 static void osd_inode_getattr(const struct lu_env *env,
1691 struct inode *inode, struct lu_attr *attr)
1693 attr->la_valid |= LA_ATIME | LA_MTIME | LA_CTIME | LA_MODE |
1694 LA_SIZE | LA_BLOCKS | LA_UID | LA_GID |
1695 LA_FLAGS | LA_NLINK | LA_RDEV | LA_BLKSIZE |
1698 attr->la_atime = LTIME_S(inode->i_atime);
1699 attr->la_mtime = LTIME_S(inode->i_mtime);
1700 attr->la_ctime = LTIME_S(inode->i_ctime);
1701 attr->la_mode = inode->i_mode;
1702 attr->la_size = i_size_read(inode);
1703 attr->la_blocks = inode->i_blocks;
1704 attr->la_uid = i_uid_read(inode);
1705 attr->la_gid = i_gid_read(inode);
1706 attr->la_flags = LDISKFS_I(inode)->i_flags;
1707 attr->la_nlink = inode->i_nlink;
1708 attr->la_rdev = inode->i_rdev;
1709 attr->la_blksize = 1 << inode->i_blkbits;
1710 attr->la_blkbits = inode->i_blkbits;
1713 static int osd_attr_get(const struct lu_env *env,
1714 struct dt_object *dt,
1715 struct lu_attr *attr,
1716 struct lustre_capa *capa)
1718 struct osd_object *obj = osd_dt_obj(dt);
1720 LASSERT(dt_object_exists(dt) && !dt_object_remote(dt));
1721 LINVRNT(osd_invariant(obj));
1723 if (osd_object_auth(env, dt, capa, CAPA_OPC_META_READ))
1726 spin_lock(&obj->oo_guard);
1727 osd_inode_getattr(env, obj->oo_inode, attr);
1728 spin_unlock(&obj->oo_guard);
1732 static int osd_declare_attr_set(const struct lu_env *env,
1733 struct dt_object *dt,
1734 const struct lu_attr *attr,
1735 struct thandle *handle)
1737 struct osd_thandle *oh;
1738 struct osd_object *obj;
1739 struct osd_thread_info *info = osd_oti_get(env);
1740 struct lquota_id_info *qi = &info->oti_qi;
1748 LASSERT(dt != NULL);
1749 LASSERT(handle != NULL);
1751 obj = osd_dt_obj(dt);
1752 LASSERT(osd_invariant(obj));
1754 oh = container_of0(handle, struct osd_thandle, ot_super);
1755 LASSERT(oh->ot_handle == NULL);
1757 osd_trans_declare_op(env, oh, OSD_OT_ATTR_SET,
1758 osd_dto_credits_noquota[DTO_ATTR_SET_BASE]);
1760 if (attr == NULL || obj->oo_inode == NULL)
1763 bspace = obj->oo_inode->i_blocks;
1764 bspace <<= obj->oo_inode->i_sb->s_blocksize_bits;
1765 bspace = toqb(bspace);
1767 /* Changing ownership is always preformed by super user, it should not
1770 * We still need to call the osd_declare_qid() to calculate the journal
1771 * credits for updating quota accounting files and to trigger quota
1772 * space adjustment once the operation is completed.*/
1773 if ((attr->la_valid & LA_UID) != 0 &&
1774 attr->la_uid != (uid = i_uid_read(obj->oo_inode))) {
1775 qi->lqi_type = USRQUOTA;
1777 /* inode accounting */
1778 qi->lqi_is_blk = false;
1780 /* one more inode for the new owner ... */
1781 qi->lqi_id.qid_uid = attr->la_uid;
1783 allocated = (attr->la_uid == 0) ? true : false;
1784 rc = osd_declare_qid(env, oh, qi, allocated, NULL);
1785 if (rc == -EDQUOT || rc == -EINPROGRESS)
1790 /* and one less inode for the current uid */
1791 qi->lqi_id.qid_uid = uid;
1793 rc = osd_declare_qid(env, oh, qi, true, NULL);
1794 if (rc == -EDQUOT || rc == -EINPROGRESS)
1799 /* block accounting */
1800 qi->lqi_is_blk = true;
1802 /* more blocks for the new owner ... */
1803 qi->lqi_id.qid_uid = attr->la_uid;
1804 qi->lqi_space = bspace;
1805 allocated = (attr->la_uid == 0) ? true : false;
1806 rc = osd_declare_qid(env, oh, qi, allocated, NULL);
1807 if (rc == -EDQUOT || rc == -EINPROGRESS)
1812 /* and finally less blocks for the current owner */
1813 qi->lqi_id.qid_uid = uid;
1814 qi->lqi_space = -bspace;
1815 rc = osd_declare_qid(env, oh, qi, true, NULL);
1816 if (rc == -EDQUOT || rc == -EINPROGRESS)
1822 if (attr->la_valid & LA_GID &&
1823 attr->la_gid != (gid = i_gid_read(obj->oo_inode))) {
1824 qi->lqi_type = GRPQUOTA;
1826 /* inode accounting */
1827 qi->lqi_is_blk = false;
1829 /* one more inode for the new group owner ... */
1830 qi->lqi_id.qid_gid = attr->la_gid;
1832 allocated = (attr->la_gid == 0) ? true : false;
1833 rc = osd_declare_qid(env, oh, qi, allocated, NULL);
1834 if (rc == -EDQUOT || rc == -EINPROGRESS)
1839 /* and one less inode for the current gid */
1840 qi->lqi_id.qid_gid = gid;
1842 rc = osd_declare_qid(env, oh, qi, true, NULL);
1843 if (rc == -EDQUOT || rc == -EINPROGRESS)
1848 /* block accounting */
1849 qi->lqi_is_blk = true;
1851 /* more blocks for the new owner ... */
1852 qi->lqi_id.qid_gid = attr->la_gid;
1853 qi->lqi_space = bspace;
1854 allocated = (attr->la_gid == 0) ? true : false;
1855 rc = osd_declare_qid(env, oh, qi, allocated, NULL);
1856 if (rc == -EDQUOT || rc == -EINPROGRESS)
1861 /* and finally less blocks for the current owner */
1862 qi->lqi_id.qid_gid = gid;
1863 qi->lqi_space = -bspace;
1864 rc = osd_declare_qid(env, oh, qi, true, NULL);
1865 if (rc == -EDQUOT || rc == -EINPROGRESS)
1874 static int osd_inode_setattr(const struct lu_env *env,
1875 struct inode *inode, const struct lu_attr *attr)
1877 __u64 bits = attr->la_valid;
1879 /* Only allow set size for regular file */
1880 if (!S_ISREG(inode->i_mode))
1881 bits &= ~(LA_SIZE | LA_BLOCKS);
1886 if (bits & LA_ATIME)
1887 inode->i_atime = *osd_inode_time(env, inode, attr->la_atime);
1888 if (bits & LA_CTIME)
1889 inode->i_ctime = *osd_inode_time(env, inode, attr->la_ctime);
1890 if (bits & LA_MTIME)
1891 inode->i_mtime = *osd_inode_time(env, inode, attr->la_mtime);
1892 if (bits & LA_SIZE) {
1893 LDISKFS_I(inode)->i_disksize = attr->la_size;
1894 i_size_write(inode, attr->la_size);
1898 /* OSD should not change "i_blocks" which is used by quota.
1899 * "i_blocks" should be changed by ldiskfs only. */
1900 if (bits & LA_BLOCKS)
1901 inode->i_blocks = attr->la_blocks;
1904 inode->i_mode = (inode->i_mode & S_IFMT) |
1905 (attr->la_mode & ~S_IFMT);
1907 i_uid_write(inode, attr->la_uid);
1909 i_gid_write(inode, attr->la_gid);
1910 if (bits & LA_NLINK)
1911 set_nlink(inode, attr->la_nlink);
1913 inode->i_rdev = attr->la_rdev;
1915 if (bits & LA_FLAGS) {
1916 /* always keep S_NOCMTIME */
1917 inode->i_flags = ll_ext_to_inode_flags(attr->la_flags) |
1923 static int osd_quota_transfer(struct inode *inode, const struct lu_attr *attr)
1925 if ((attr->la_valid & LA_UID && attr->la_uid != i_uid_read(inode)) ||
1926 (attr->la_valid & LA_GID && attr->la_gid != i_gid_read(inode))) {
1931 if (attr->la_valid & LA_UID)
1932 iattr.ia_valid |= ATTR_UID;
1933 if (attr->la_valid & LA_GID)
1934 iattr.ia_valid |= ATTR_GID;
1935 iattr.ia_uid = make_kuid(&init_user_ns, attr->la_uid);
1936 iattr.ia_gid = make_kgid(&init_user_ns, attr->la_gid);
1938 rc = ll_vfs_dq_transfer(inode, &iattr);
1940 CERROR("%s: quota transfer failed: rc = %d. Is quota "
1941 "enforcement enabled on the ldiskfs "
1942 "filesystem?\n", inode->i_sb->s_id, rc);
1949 static int osd_attr_set(const struct lu_env *env,
1950 struct dt_object *dt,
1951 const struct lu_attr *attr,
1952 struct thandle *handle,
1953 struct lustre_capa *capa)
1955 struct osd_object *obj = osd_dt_obj(dt);
1956 struct inode *inode;
1959 LASSERT(handle != NULL);
1960 LASSERT(dt_object_exists(dt) && !dt_object_remote(dt));
1961 LASSERT(osd_invariant(obj));
1963 if (osd_object_auth(env, dt, capa, CAPA_OPC_META_WRITE))
1966 osd_trans_exec_op(env, handle, OSD_OT_ATTR_SET);
1968 if (OBD_FAIL_CHECK(OBD_FAIL_OSD_FID_MAPPING)) {
1969 struct osd_thread_info *oti = osd_oti_get(env);
1970 const struct lu_fid *fid0 = lu_object_fid(&dt->do_lu);
1971 struct lu_fid *fid1 = &oti->oti_fid;
1972 struct osd_inode_id *id = &oti->oti_id;
1973 struct iam_path_descr *ipd;
1974 struct iam_container *bag;
1975 struct osd_thandle *oh;
1978 fid_cpu_to_be(fid1, fid0);
1979 memset(id, 1, sizeof(*id));
1980 bag = &osd_fid2oi(osd_dev(dt->do_lu.lo_dev),
1981 fid0)->oi_dir.od_container;
1982 ipd = osd_idx_ipd_get(env, bag);
1983 if (unlikely(ipd == NULL))
1986 oh = container_of0(handle, struct osd_thandle, ot_super);
1987 rc = iam_update(oh->ot_handle, bag, (const struct iam_key *)fid1,
1988 (const struct iam_rec *)id, ipd);
1989 osd_ipd_put(env, bag, ipd);
1990 return(rc > 0 ? 0 : rc);
1993 inode = obj->oo_inode;
1994 ll_vfs_dq_init(inode);
1996 rc = osd_quota_transfer(inode, attr);
2000 spin_lock(&obj->oo_guard);
2001 rc = osd_inode_setattr(env, inode, attr);
2002 spin_unlock(&obj->oo_guard);
2005 ll_dirty_inode(inode, I_DIRTY_DATASYNC);
2009 struct dentry *osd_child_dentry_get(const struct lu_env *env,
2010 struct osd_object *obj,
2011 const char *name, const int namelen)
2013 return osd_child_dentry_by_inode(env, obj->oo_inode, name, namelen);
2016 static int osd_mkfile(struct osd_thread_info *info, struct osd_object *obj,
2017 umode_t mode, struct dt_allocation_hint *hint,
2021 struct osd_device *osd = osd_obj2dev(obj);
2022 struct osd_thandle *oth;
2023 struct dt_object *parent = NULL;
2024 struct inode *inode;
2026 LINVRNT(osd_invariant(obj));
2027 LASSERT(obj->oo_inode == NULL);
2028 LASSERT(obj->oo_hl_head == NULL);
2030 if (S_ISDIR(mode) && ldiskfs_pdo) {
2031 obj->oo_hl_head =ldiskfs_htree_lock_head_alloc(HTREE_HBITS_DEF);
2032 if (obj->oo_hl_head == NULL)
2036 oth = container_of(th, struct osd_thandle, ot_super);
2037 LASSERT(oth->ot_handle->h_transaction != NULL);
2039 if (hint && hint->dah_parent)
2040 parent = hint->dah_parent;
2042 inode = ldiskfs_create_inode(oth->ot_handle,
2043 parent ? osd_dt_obj(parent)->oo_inode :
2044 osd_sb(osd)->s_root->d_inode,
2046 if (!IS_ERR(inode)) {
2047 /* Do not update file c/mtime in ldiskfs.
2048 * NB: don't need any lock because no contention at this
2050 inode->i_flags |= S_NOCMTIME;
2052 /* For new created object, it must be consistent,
2053 * and it is unnecessary to scrub against it. */
2054 ldiskfs_set_inode_state(inode, LDISKFS_STATE_LUSTRE_NOSCRUB);
2055 obj->oo_inode = inode;
2058 if (obj->oo_hl_head != NULL) {
2059 ldiskfs_htree_lock_head_free(obj->oo_hl_head);
2060 obj->oo_hl_head = NULL;
2062 result = PTR_ERR(inode);
2064 LINVRNT(osd_invariant(obj));
2072 static int osd_mkdir(struct osd_thread_info *info, struct osd_object *obj,
2073 struct lu_attr *attr,
2074 struct dt_allocation_hint *hint,
2075 struct dt_object_format *dof,
2079 struct osd_thandle *oth;
2080 __u32 mode = (attr->la_mode & (S_IFMT | S_IRWXUGO | S_ISVTX));
2082 LASSERT(S_ISDIR(attr->la_mode));
2084 oth = container_of(th, struct osd_thandle, ot_super);
2085 LASSERT(oth->ot_handle->h_transaction != NULL);
2086 result = osd_mkfile(info, obj, mode, hint, th);
2091 static int osd_mk_index(struct osd_thread_info *info, struct osd_object *obj,
2092 struct lu_attr *attr,
2093 struct dt_allocation_hint *hint,
2094 struct dt_object_format *dof,
2098 struct osd_thandle *oth;
2099 const struct dt_index_features *feat = dof->u.dof_idx.di_feat;
2101 __u32 mode = (attr->la_mode & (S_IFMT | S_IALLUGO | S_ISVTX));
2103 LASSERT(S_ISREG(attr->la_mode));
2105 oth = container_of(th, struct osd_thandle, ot_super);
2106 LASSERT(oth->ot_handle->h_transaction != NULL);
2108 result = osd_mkfile(info, obj, mode, hint, th);
2110 LASSERT(obj->oo_inode != NULL);
2111 if (feat->dif_flags & DT_IND_VARKEY)
2112 result = iam_lvar_create(obj->oo_inode,
2113 feat->dif_keysize_max,
2115 feat->dif_recsize_max,
2118 result = iam_lfix_create(obj->oo_inode,
2119 feat->dif_keysize_max,
2121 feat->dif_recsize_max,
2128 static int osd_mkreg(struct osd_thread_info *info, struct osd_object *obj,
2129 struct lu_attr *attr,
2130 struct dt_allocation_hint *hint,
2131 struct dt_object_format *dof,
2134 LASSERT(S_ISREG(attr->la_mode));
2135 return osd_mkfile(info, obj, (attr->la_mode &
2136 (S_IFMT | S_IALLUGO | S_ISVTX)), hint, th);
2139 static int osd_mksym(struct osd_thread_info *info, struct osd_object *obj,
2140 struct lu_attr *attr,
2141 struct dt_allocation_hint *hint,
2142 struct dt_object_format *dof,
2145 LASSERT(S_ISLNK(attr->la_mode));
2146 return osd_mkfile(info, obj, (attr->la_mode &
2147 (S_IFMT | S_IALLUGO | S_ISVTX)), hint, th);
2150 static int osd_mknod(struct osd_thread_info *info, struct osd_object *obj,
2151 struct lu_attr *attr,
2152 struct dt_allocation_hint *hint,
2153 struct dt_object_format *dof,
2156 umode_t mode = attr->la_mode & (S_IFMT | S_IALLUGO | S_ISVTX);
2159 LINVRNT(osd_invariant(obj));
2160 LASSERT(obj->oo_inode == NULL);
2161 LASSERT(S_ISCHR(mode) || S_ISBLK(mode) ||
2162 S_ISFIFO(mode) || S_ISSOCK(mode));
2164 result = osd_mkfile(info, obj, mode, hint, th);
2166 LASSERT(obj->oo_inode != NULL);
2168 * This inode should be marked dirty for i_rdev. Currently
2169 * that is done in the osd_attr_init().
2171 init_special_inode(obj->oo_inode, obj->oo_inode->i_mode,
2174 LINVRNT(osd_invariant(obj));
2178 typedef int (*osd_obj_type_f)(struct osd_thread_info *, struct osd_object *,
2180 struct dt_allocation_hint *hint,
2181 struct dt_object_format *dof,
2184 static osd_obj_type_f osd_create_type_f(enum dt_format_type type)
2186 osd_obj_type_f result;
2202 result = osd_mk_index;
2213 static void osd_ah_init(const struct lu_env *env, struct dt_allocation_hint *ah,
2214 struct dt_object *parent, struct dt_object *child,
2219 ah->dah_parent = parent;
2220 ah->dah_mode = child_mode;
2223 static void osd_attr_init(struct osd_thread_info *info, struct osd_object *obj,
2224 struct lu_attr *attr, struct dt_object_format *dof)
2226 struct inode *inode = obj->oo_inode;
2227 __u64 valid = attr->la_valid;
2230 attr->la_valid &= ~(LA_TYPE | LA_MODE);
2232 if (dof->dof_type != DFT_NODE)
2233 attr->la_valid &= ~LA_RDEV;
2234 if ((valid & LA_ATIME) && (attr->la_atime == LTIME_S(inode->i_atime)))
2235 attr->la_valid &= ~LA_ATIME;
2236 if ((valid & LA_CTIME) && (attr->la_ctime == LTIME_S(inode->i_ctime)))
2237 attr->la_valid &= ~LA_CTIME;
2238 if ((valid & LA_MTIME) && (attr->la_mtime == LTIME_S(inode->i_mtime)))
2239 attr->la_valid &= ~LA_MTIME;
2241 result = osd_quota_transfer(inode, attr);
2245 if (attr->la_valid != 0) {
2246 result = osd_inode_setattr(info->oti_env, inode, attr);
2248 * The osd_inode_setattr() should always succeed here. The
2249 * only error that could be returned is EDQUOT when we are
2250 * trying to change the UID or GID of the inode. However, this
2251 * should not happen since quota enforcement is no longer
2252 * enabled on ldiskfs (lquota takes care of it).
2254 LASSERTF(result == 0, "%d\n", result);
2255 ll_dirty_inode(inode, I_DIRTY_DATASYNC);
2258 attr->la_valid = valid;
2262 * Helper function for osd_object_create()
2264 * \retval 0, on success
2266 static int __osd_object_create(struct osd_thread_info *info,
2267 struct osd_object *obj, struct lu_attr *attr,
2268 struct dt_allocation_hint *hint,
2269 struct dt_object_format *dof,
2275 /* we drop umask so that permissions we pass are not affected */
2276 umask = current->fs->umask;
2277 current->fs->umask = 0;
2279 result = osd_create_type_f(dof->dof_type)(info, obj, attr, hint, dof,
2282 osd_attr_init(info, obj, attr, dof);
2283 osd_object_init0(obj);
2285 if (obj->oo_inode && (obj->oo_inode->i_state & I_NEW))
2286 unlock_new_inode(obj->oo_inode);
2289 /* restore previous umask value */
2290 current->fs->umask = umask;
2296 * Helper function for osd_object_create()
2298 * \retval 0, on success
2300 static int __osd_oi_insert(const struct lu_env *env, struct osd_object *obj,
2301 const struct lu_fid *fid, struct thandle *th)
2303 struct osd_thread_info *info = osd_oti_get(env);
2304 struct osd_inode_id *id = &info->oti_id;
2305 struct osd_device *osd = osd_obj2dev(obj);
2306 struct osd_thandle *oh;
2308 LASSERT(obj->oo_inode != NULL);
2310 oh = container_of0(th, struct osd_thandle, ot_super);
2311 LASSERT(oh->ot_handle);
2313 osd_id_gen(id, obj->oo_inode->i_ino, obj->oo_inode->i_generation);
2314 return osd_oi_insert(info, osd, fid, id, oh->ot_handle, OI_CHECK_FLD);
2317 int osd_fld_lookup(const struct lu_env *env, struct osd_device *osd,
2318 obd_seq seq, struct lu_seq_range *range)
2320 struct seq_server_site *ss = osd_seq_site(osd);
2322 if (fid_seq_is_idif(seq)) {
2323 fld_range_set_ost(range);
2324 range->lsr_index = idif_ost_idx(seq);
2328 if (!fid_seq_in_fldb(seq)) {
2329 fld_range_set_mdt(range);
2331 /* FIXME: If ss is NULL, it suppose not get lsr_index
2333 range->lsr_index = ss->ss_node_id;
2337 LASSERT(ss != NULL);
2338 fld_range_set_any(range);
2339 /* OSD will only do local fld lookup */
2340 return fld_local_lookup(env, ss->ss_server_fld, seq, range);
2344 * Concurrency: no external locking is necessary.
2346 static int osd_declare_object_create(const struct lu_env *env,
2347 struct dt_object *dt,
2348 struct lu_attr *attr,
2349 struct dt_allocation_hint *hint,
2350 struct dt_object_format *dof,
2351 struct thandle *handle)
2353 struct osd_thandle *oh;
2357 LASSERT(handle != NULL);
2359 oh = container_of0(handle, struct osd_thandle, ot_super);
2360 LASSERT(oh->ot_handle == NULL);
2362 osd_trans_declare_op(env, oh, OSD_OT_CREATE,
2363 osd_dto_credits_noquota[DTO_OBJECT_CREATE]);
2364 /* Reuse idle OI block may cause additional one OI block
2366 osd_trans_declare_op(env, oh, OSD_OT_INSERT,
2367 osd_dto_credits_noquota[DTO_INDEX_INSERT] + 1);
2369 /* If this is directory, then we expect . and .. to be inserted as
2370 * well. The one directory block always needs to be created for the
2371 * directory, so we could use DTO_WRITE_BASE here (GDT, block bitmap,
2372 * block), there is no danger of needing a tree for the first block.
2374 if (attr && S_ISDIR(attr->la_mode)) {
2375 osd_trans_declare_op(env, oh, OSD_OT_INSERT,
2376 osd_dto_credits_noquota[DTO_WRITE_BASE]);
2377 osd_trans_declare_op(env, oh, OSD_OT_INSERT, 0);
2383 rc = osd_declare_inode_qid(env, attr->la_uid, attr->la_gid, 1, oh,
2384 false, false, NULL, false);
2391 static int osd_object_create(const struct lu_env *env, struct dt_object *dt,
2392 struct lu_attr *attr,
2393 struct dt_allocation_hint *hint,
2394 struct dt_object_format *dof,
2397 const struct lu_fid *fid = lu_object_fid(&dt->do_lu);
2398 struct osd_object *obj = osd_dt_obj(dt);
2399 struct osd_thread_info *info = osd_oti_get(env);
2404 LINVRNT(osd_invariant(obj));
2405 LASSERT(!dt_object_exists(dt) && !dt_object_remote(dt));
2406 LASSERT(osd_write_locked(env, obj));
2407 LASSERT(th != NULL);
2409 if (unlikely(fid_is_acct(fid)))
2410 /* Quota files can't be created from the kernel any more,
2411 * 'tune2fs -O quota' will take care of creating them */
2414 osd_trans_exec_op(env, th, OSD_OT_CREATE);
2415 osd_trans_declare_rb(env, th, OSD_OT_REF_ADD);
2417 result = __osd_object_create(info, obj, attr, hint, dof, th);
2419 result = __osd_oi_insert(env, obj, fid, th);
2421 LASSERT(ergo(result == 0,
2422 dt_object_exists(dt) && !dt_object_remote(dt)));
2424 LASSERT(osd_invariant(obj));
2429 * Called to destroy on-disk representation of the object
2431 * Concurrency: must be locked
2433 static int osd_declare_object_destroy(const struct lu_env *env,
2434 struct dt_object *dt,
2437 struct osd_object *obj = osd_dt_obj(dt);
2438 struct inode *inode = obj->oo_inode;
2439 struct osd_thandle *oh;
2443 oh = container_of0(th, struct osd_thandle, ot_super);
2444 LASSERT(oh->ot_handle == NULL);
2447 osd_trans_declare_op(env, oh, OSD_OT_DESTROY,
2448 osd_dto_credits_noquota[DTO_OBJECT_DELETE]);
2449 /* Recycle idle OI leaf may cause additional three OI blocks
2451 osd_trans_declare_op(env, oh, OSD_OT_DELETE,
2452 osd_dto_credits_noquota[DTO_INDEX_DELETE] + 3);
2453 /* one less inode */
2454 rc = osd_declare_inode_qid(env, i_uid_read(inode), i_gid_read(inode),
2455 -1, oh, false, true, NULL, false);
2458 /* data to be truncated */
2459 rc = osd_declare_inode_qid(env, i_uid_read(inode), i_gid_read(inode),
2460 0, oh, true, true, NULL, false);
2464 static int osd_object_destroy(const struct lu_env *env,
2465 struct dt_object *dt,
2468 const struct lu_fid *fid = lu_object_fid(&dt->do_lu);
2469 struct osd_object *obj = osd_dt_obj(dt);
2470 struct inode *inode = obj->oo_inode;
2471 struct osd_device *osd = osd_obj2dev(obj);
2472 struct osd_thandle *oh;
2476 oh = container_of0(th, struct osd_thandle, ot_super);
2477 LASSERT(oh->ot_handle);
2479 LASSERT(!lu_object_is_dying(dt->do_lu.lo_header));
2481 if (unlikely(fid_is_acct(fid)))
2484 if (S_ISDIR(inode->i_mode)) {
2485 LASSERT(osd_inode_unlinked(inode) || inode->i_nlink == 1 ||
2486 inode->i_nlink == 2);
2487 /* it will check/delete the inode from remote parent,
2488 * how to optimize it? unlink performance impaction XXX */
2489 result = osd_delete_from_remote_parent(env, osd, obj, oh);
2490 if (result != 0 && result != -ENOENT) {
2491 CERROR("%s: delete inode "DFID": rc = %d\n",
2492 osd_name(osd), PFID(fid), result);
2494 spin_lock(&obj->oo_guard);
2496 spin_unlock(&obj->oo_guard);
2497 ll_dirty_inode(inode, I_DIRTY_DATASYNC);
2500 osd_trans_exec_op(env, th, OSD_OT_DESTROY);
2502 result = osd_oi_delete(osd_oti_get(env), osd, fid, oh->ot_handle,
2505 /* XXX: add to ext3 orphan list */
2506 /* rc = ext3_orphan_add(handle_t *handle, struct inode *inode) */
2508 /* not needed in the cache anymore */
2509 set_bit(LU_OBJECT_HEARD_BANSHEE, &dt->do_lu.lo_header->loh_flags);
2515 * Put the fid into lustre_mdt_attrs, and then place the structure
2516 * inode's ea. This fid should not be altered during the life time
2519 * \retval +ve, on success
2520 * \retval -ve, on error
2522 * FIXME: It is good to have/use ldiskfs_xattr_set_handle() here
2524 int osd_ea_fid_set(struct osd_thread_info *info, struct inode *inode,
2525 const struct lu_fid *fid, __u32 compat, __u32 incompat)
2527 struct lustre_mdt_attrs *lma = &info->oti_mdt_attrs;
2531 if (OBD_FAIL_CHECK(OBD_FAIL_FID_INLMA))
2534 lustre_lma_init(lma, fid, compat, incompat);
2535 lustre_lma_swab(lma);
2537 rc = __osd_xattr_set(info, inode, XATTR_NAME_LMA, lma, sizeof(*lma),
2539 /* LMA may already exist, but we need to check that all the
2540 * desired compat/incompat flags have been added. */
2541 if (unlikely(rc == -EEXIST)) {
2542 if (compat == 0 && incompat == 0)
2545 rc = __osd_xattr_get(inode, &info->oti_obj_dentry,
2546 XATTR_NAME_LMA, info->oti_mdt_attrs_old,
2551 lustre_lma_swab(lma);
2552 if (!(~lma->lma_compat & compat) &&
2553 !(~lma->lma_incompat & incompat))
2556 lma->lma_compat |= compat;
2557 lma->lma_incompat |= incompat;
2558 lustre_lma_swab(lma);
2559 rc = __osd_xattr_set(info, inode, XATTR_NAME_LMA, lma,
2560 sizeof(*lma), XATTR_REPLACE);
2567 * ldiskfs supports fid in dirent, it is passed in dentry->d_fsdata.
2568 * lustre 1.8 also uses d_fsdata for passing other info to ldiskfs.
2569 * To have compatilibility with 1.8 ldiskfs driver we need to have
2570 * magic number at start of fid data.
2571 * \ldiskfs_dentry_param is used only to pass fid from osd to ldiskfs.
2574 void osd_get_ldiskfs_dirent_param(struct ldiskfs_dentry_param *param,
2575 const struct lu_fid *fid)
2577 if (!fid_is_namespace_visible(fid) ||
2578 OBD_FAIL_CHECK(OBD_FAIL_FID_IGIF)) {
2579 param->edp_magic = 0;
2583 param->edp_magic = LDISKFS_LUFID_MAGIC;
2584 param->edp_len = sizeof(struct lu_fid) + 1;
2585 fid_cpu_to_be((struct lu_fid *)param->edp_data, (struct lu_fid *)fid);
2589 * Try to read the fid from inode ea into dt_rec.
2591 * \param fid object fid.
2593 * \retval 0 on success
2595 static int osd_ea_fid_get(const struct lu_env *env, struct osd_object *obj,
2596 __u32 ino, struct lu_fid *fid,
2597 struct osd_inode_id *id)
2599 struct osd_thread_info *info = osd_oti_get(env);
2600 struct inode *inode;
2603 osd_id_gen(id, ino, OSD_OII_NOGEN);
2604 inode = osd_iget_fid(info, osd_obj2dev(obj), id, fid);
2606 RETURN(PTR_ERR(inode));
2612 static int osd_add_dot_dotdot_internal(struct osd_thread_info *info,
2614 struct inode *parent_dir,
2615 const struct lu_fid *dot_fid,
2616 const struct lu_fid *dot_dot_fid,
2617 struct osd_thandle *oth)
2619 struct ldiskfs_dentry_param *dot_ldp;
2620 struct ldiskfs_dentry_param *dot_dot_ldp;
2622 dot_dot_ldp = (struct ldiskfs_dentry_param *)info->oti_ldp2;
2623 osd_get_ldiskfs_dirent_param(dot_dot_ldp, dot_dot_fid);
2625 dot_ldp = (struct ldiskfs_dentry_param *)info->oti_ldp;
2626 dot_ldp->edp_magic = 0;
2627 return ldiskfs_add_dot_dotdot(oth->ot_handle, parent_dir,
2628 dir, dot_ldp, dot_dot_ldp);
2632 * Create an local agent inode for remote entry
2634 static struct inode *osd_create_local_agent_inode(const struct lu_env *env,
2635 struct osd_device *osd,
2636 struct osd_object *pobj,
2637 const struct lu_fid *fid,
2641 struct osd_thread_info *info = osd_oti_get(env);
2642 struct inode *local;
2643 struct osd_thandle *oh;
2648 oh = container_of(th, struct osd_thandle, ot_super);
2649 LASSERT(oh->ot_handle->h_transaction != NULL);
2651 local = ldiskfs_create_inode(oh->ot_handle, pobj->oo_inode, type);
2652 if (IS_ERR(local)) {
2653 CERROR("%s: create local error %d\n", osd_name(osd),
2654 (int)PTR_ERR(local));
2658 /* Set special LMA flag for local agent inode */
2659 rc = osd_ea_fid_set(info, local, fid, 0, LMAI_AGENT);
2661 CERROR("%s: set LMA for "DFID" remote inode failed: rc = %d\n",
2662 osd_name(osd), PFID(fid), rc);
2663 RETURN(ERR_PTR(rc));
2669 rc = osd_add_dot_dotdot_internal(info, local, pobj->oo_inode,
2670 lu_object_fid(&pobj->oo_dt.do_lu),
2673 CERROR("%s: "DFID" add dot dotdot error: rc = %d\n",
2674 osd_name(osd), PFID(fid), rc);
2675 RETURN(ERR_PTR(rc));
2682 * Delete local agent inode for remote entry
2684 static int osd_delete_local_agent_inode(const struct lu_env *env,
2685 struct osd_device *osd,
2686 const struct lu_fid *fid,
2687 __u32 ino, struct osd_thandle *oh)
2689 struct osd_thread_info *oti = osd_oti_get(env);
2690 struct osd_inode_id *id = &oti->oti_id;
2691 struct inode *inode;
2694 id->oii_ino = le32_to_cpu(ino);
2695 id->oii_gen = OSD_OII_NOGEN;
2696 inode = osd_iget(oti, osd, id);
2697 if (IS_ERR(inode)) {
2698 CERROR("%s: iget error "DFID" id %u:%u\n", osd_name(osd),
2699 PFID(fid), id->oii_ino, id->oii_gen);
2700 RETURN(PTR_ERR(inode));
2704 mark_inode_dirty(inode);
2705 CDEBUG(D_INODE, "%s: delete remote inode "DFID" %lu\n",
2706 osd_name(osd), PFID(fid), inode->i_ino);
2712 * OSD layer object create function for interoperability mode (b11826).
2713 * This is mostly similar to osd_object_create(). Only difference being, fid is
2714 * inserted into inode ea here.
2716 * \retval 0, on success
2717 * \retval -ve, on error
2719 static int osd_object_ea_create(const struct lu_env *env, struct dt_object *dt,
2720 struct lu_attr *attr,
2721 struct dt_allocation_hint *hint,
2722 struct dt_object_format *dof,
2725 const struct lu_fid *fid = lu_object_fid(&dt->do_lu);
2726 struct osd_object *obj = osd_dt_obj(dt);
2727 struct osd_thread_info *info = osd_oti_get(env);
2732 LASSERT(osd_invariant(obj));
2733 LASSERT(!dt_object_exists(dt) && !dt_object_remote(dt));
2734 LASSERT(osd_write_locked(env, obj));
2735 LASSERT(th != NULL);
2737 if (unlikely(fid_is_acct(fid)))
2738 /* Quota files can't be created from the kernel any more,
2739 * 'tune2fs -O quota' will take care of creating them */
2742 osd_trans_exec_op(env, th, OSD_OT_CREATE);
2743 osd_trans_declare_rb(env, th, OSD_OT_REF_ADD);
2745 result = __osd_object_create(info, obj, attr, hint, dof, th);
2747 result = osd_ea_fid_set(info, obj->oo_inode, fid,
2748 fid_is_on_ost(info, osd_obj2dev(obj),
2749 fid, OI_CHECK_FLD) ?
2750 LMAC_FID_ON_OST : 0, 0);
2753 result = __osd_oi_insert(env, obj, fid, th);
2755 LASSERT(ergo(result == 0,
2756 dt_object_exists(dt) && !dt_object_remote(dt)));
2757 LINVRNT(osd_invariant(obj));
2761 static int osd_declare_object_ref_add(const struct lu_env *env,
2762 struct dt_object *dt,
2763 struct thandle *handle)
2765 struct osd_thandle *oh;
2767 /* it's possible that object doesn't exist yet */
2768 LASSERT(handle != NULL);
2770 oh = container_of0(handle, struct osd_thandle, ot_super);
2771 LASSERT(oh->ot_handle == NULL);
2773 osd_trans_declare_op(env, oh, OSD_OT_REF_ADD,
2774 osd_dto_credits_noquota[DTO_ATTR_SET_BASE]);
2780 * Concurrency: @dt is write locked.
2782 static int osd_object_ref_add(const struct lu_env *env,
2783 struct dt_object *dt, struct thandle *th)
2785 struct osd_object *obj = osd_dt_obj(dt);
2786 struct inode *inode = obj->oo_inode;
2787 struct osd_thandle *oh;
2790 LINVRNT(osd_invariant(obj));
2791 LASSERT(dt_object_exists(dt) && !dt_object_remote(dt));
2792 LASSERT(osd_write_locked(env, obj));
2793 LASSERT(th != NULL);
2795 oh = container_of0(th, struct osd_thandle, ot_super);
2796 LASSERT(oh->ot_handle != NULL);
2798 osd_trans_exec_op(env, th, OSD_OT_REF_ADD);
2800 CDEBUG(D_INODE, DFID" increase nlink %d\n",
2801 PFID(lu_object_fid(&dt->do_lu)), inode->i_nlink);
2803 * The DIR_NLINK feature allows directories to exceed LDISKFS_LINK_MAX
2804 * (65000) subdirectories by storing "1" in i_nlink if the link count
2805 * would otherwise overflow. Directory tranversal tools understand
2806 * that (st_nlink == 1) indicates that the filesystem dose not track
2807 * hard links count on the directory, and will not abort subdirectory
2808 * scanning early once (st_nlink - 2) subdirs have been found.
2810 * This also has to properly handle the case of inodes with nlink == 0
2811 * in case they are being linked into the PENDING directory
2813 spin_lock(&obj->oo_guard);
2814 if (unlikely(inode->i_nlink == 0))
2815 /* inc_nlink from 0 may cause WARN_ON */
2816 set_nlink(inode, 1);
2818 ldiskfs_inc_count(oh->ot_handle, inode);
2819 if (!S_ISDIR(inode->i_mode))
2820 LASSERT(inode->i_nlink <= LDISKFS_LINK_MAX);
2822 spin_unlock(&obj->oo_guard);
2824 ll_dirty_inode(inode, I_DIRTY_DATASYNC);
2825 LINVRNT(osd_invariant(obj));
2830 static int osd_declare_object_ref_del(const struct lu_env *env,
2831 struct dt_object *dt,
2832 struct thandle *handle)
2834 struct osd_thandle *oh;
2836 LASSERT(dt_object_exists(dt) && !dt_object_remote(dt));
2837 LASSERT(handle != NULL);
2839 oh = container_of0(handle, struct osd_thandle, ot_super);
2840 LASSERT(oh->ot_handle == NULL);
2842 osd_trans_declare_op(env, oh, OSD_OT_REF_DEL,
2843 osd_dto_credits_noquota[DTO_ATTR_SET_BASE]);
2849 * Concurrency: @dt is write locked.
2851 static int osd_object_ref_del(const struct lu_env *env, struct dt_object *dt,
2854 struct osd_object *obj = osd_dt_obj(dt);
2855 struct inode *inode = obj->oo_inode;
2856 struct osd_device *osd = osd_dev(dt->do_lu.lo_dev);
2857 struct osd_thandle *oh;
2859 LINVRNT(osd_invariant(obj));
2860 LASSERT(dt_object_exists(dt) && !dt_object_remote(dt));
2861 LASSERT(osd_write_locked(env, obj));
2862 LASSERT(th != NULL);
2864 oh = container_of0(th, struct osd_thandle, ot_super);
2865 LASSERT(oh->ot_handle != NULL);
2867 osd_trans_exec_op(env, th, OSD_OT_REF_DEL);
2869 spin_lock(&obj->oo_guard);
2870 /* That can be result of upgrade from old Lustre version and
2871 * applied only to local files. Just skip this ref_del call.
2872 * ext4_unlink() only treats this as a warning, don't LASSERT here.*/
2873 if (inode->i_nlink == 0) {
2874 CDEBUG_LIMIT(fid_is_norm(lu_object_fid(&dt->do_lu)) ?
2875 D_ERROR : D_INODE, "%s: nlink == 0 on "DFID
2876 ", maybe an upgraded file? (LU-3915)\n",
2877 osd_name(osd), PFID(lu_object_fid(&dt->do_lu)));
2878 spin_unlock(&obj->oo_guard);
2882 CDEBUG(D_INODE, DFID" decrease nlink %d\n",
2883 PFID(lu_object_fid(&dt->do_lu)), inode->i_nlink);
2885 ldiskfs_dec_count(oh->ot_handle, inode);
2886 spin_unlock(&obj->oo_guard);
2888 ll_dirty_inode(inode, I_DIRTY_DATASYNC);
2889 LINVRNT(osd_invariant(obj));
2895 * Get the 64-bit version for an inode.
2897 static int osd_object_version_get(const struct lu_env *env,
2898 struct dt_object *dt, dt_obj_version_t *ver)
2900 struct inode *inode = osd_dt_obj(dt)->oo_inode;
2902 CDEBUG(D_INODE, "Get version "LPX64" for inode %lu\n",
2903 LDISKFS_I(inode)->i_fs_version, inode->i_ino);
2904 *ver = LDISKFS_I(inode)->i_fs_version;
2909 * Concurrency: @dt is read locked.
2911 static int osd_xattr_get(const struct lu_env *env, struct dt_object *dt,
2912 struct lu_buf *buf, const char *name,
2913 struct lustre_capa *capa)
2915 struct osd_object *obj = osd_dt_obj(dt);
2916 struct inode *inode = obj->oo_inode;
2917 struct osd_thread_info *info = osd_oti_get(env);
2918 struct dentry *dentry = &info->oti_obj_dentry;
2920 /* version get is not real XATTR but uses xattr API */
2921 if (strcmp(name, XATTR_NAME_VERSION) == 0) {
2922 /* for version we are just using xattr API but change inode
2924 LASSERT(buf->lb_len == sizeof(dt_obj_version_t));
2925 osd_object_version_get(env, dt, buf->lb_buf);
2926 return sizeof(dt_obj_version_t);
2929 LASSERT(dt_object_exists(dt) && !dt_object_remote(dt));
2930 LASSERT(inode->i_op != NULL && inode->i_op->getxattr != NULL);
2932 if (osd_object_auth(env, dt, capa, CAPA_OPC_META_READ))
2935 return __osd_xattr_get(inode, dentry, name, buf->lb_buf, buf->lb_len);
2939 static int osd_declare_xattr_set(const struct lu_env *env,
2940 struct dt_object *dt,
2941 const struct lu_buf *buf, const char *name,
2942 int fl, struct thandle *handle)
2944 struct osd_thandle *oh;
2947 LASSERT(handle != NULL);
2949 oh = container_of0(handle, struct osd_thandle, ot_super);
2950 LASSERT(oh->ot_handle == NULL);
2952 /* optimistic optimization: LMA is set first and usually fit inode */
2953 if (strcmp(name, XATTR_NAME_LMA) == 0) {
2954 if (dt_object_exists(dt))
2958 } else if (strcmp(name, XATTR_NAME_VERSION) == 0) {
2961 struct osd_device *osd = osd_dev(dt->do_lu.lo_dev);
2962 struct super_block *sb = osd_sb(osd);
2963 credits = osd_dto_credits_noquota[DTO_XATTR_SET];
2964 if (buf && buf->lb_len > sb->s_blocksize) {
2965 credits *= (buf->lb_len + sb->s_blocksize - 1) >>
2966 sb->s_blocksize_bits;
2970 osd_trans_declare_op(env, oh, OSD_OT_XATTR_SET, credits);
2976 * Set the 64-bit version for object
2978 static void osd_object_version_set(const struct lu_env *env,
2979 struct dt_object *dt,
2980 dt_obj_version_t *new_version)
2982 struct inode *inode = osd_dt_obj(dt)->oo_inode;
2984 CDEBUG(D_INODE, "Set version "LPX64" (old "LPX64") for inode %lu\n",
2985 *new_version, LDISKFS_I(inode)->i_fs_version, inode->i_ino);
2987 LDISKFS_I(inode)->i_fs_version = *new_version;
2988 /** Version is set after all inode operations are finished,
2989 * so we should mark it dirty here */
2990 ll_dirty_inode(inode, I_DIRTY_DATASYNC);
2994 * Concurrency: @dt is write locked.
2996 static int osd_xattr_set(const struct lu_env *env, struct dt_object *dt,
2997 const struct lu_buf *buf, const char *name, int fl,
2998 struct thandle *handle, struct lustre_capa *capa)
3000 struct osd_object *obj = osd_dt_obj(dt);
3001 struct inode *inode = obj->oo_inode;
3002 struct osd_thread_info *info = osd_oti_get(env);
3006 LASSERT(handle != NULL);
3008 /* version set is not real XATTR */
3009 if (strcmp(name, XATTR_NAME_VERSION) == 0) {
3010 /* for version we are just using xattr API but change inode
3012 LASSERT(buf->lb_len == sizeof(dt_obj_version_t));
3013 osd_object_version_set(env, dt, buf->lb_buf);
3014 return sizeof(dt_obj_version_t);
3017 if (osd_object_auth(env, dt, capa, CAPA_OPC_META_WRITE))
3020 CDEBUG(D_INODE, DFID" set xattr '%s' with size %zd\n",
3021 PFID(lu_object_fid(&dt->do_lu)), name, buf->lb_len);
3023 osd_trans_exec_op(env, handle, OSD_OT_XATTR_SET);
3024 if (fl & LU_XATTR_REPLACE)
3025 fs_flags |= XATTR_REPLACE;
3027 if (fl & LU_XATTR_CREATE)
3028 fs_flags |= XATTR_CREATE;
3030 if (strcmp(name, XATTR_NAME_LMV) == 0) {
3031 struct lustre_mdt_attrs *lma = &info->oti_mdt_attrs;
3034 rc = osd_get_lma(info, inode, &info->oti_obj_dentry, lma);
3038 lma->lma_incompat |= LMAI_STRIPED;
3039 lustre_lma_swab(lma);
3040 rc = __osd_xattr_set(info, inode, XATTR_NAME_LMA, lma,
3041 sizeof(*lma), XATTR_REPLACE);
3046 return __osd_xattr_set(info, inode, name, buf->lb_buf, buf->lb_len,
3051 * Concurrency: @dt is read locked.
3053 static int osd_xattr_list(const struct lu_env *env, struct dt_object *dt,
3054 struct lu_buf *buf, struct lustre_capa *capa)
3056 struct osd_object *obj = osd_dt_obj(dt);
3057 struct inode *inode = obj->oo_inode;
3058 struct osd_thread_info *info = osd_oti_get(env);
3059 struct dentry *dentry = &info->oti_obj_dentry;
3061 LASSERT(dt_object_exists(dt) && !dt_object_remote(dt));
3062 LASSERT(inode->i_op != NULL && inode->i_op->listxattr != NULL);
3064 if (osd_object_auth(env, dt, capa, CAPA_OPC_META_READ))
3067 dentry->d_inode = inode;
3068 dentry->d_sb = inode->i_sb;
3069 return inode->i_op->listxattr(dentry, buf->lb_buf, buf->lb_len);
3072 static int osd_declare_xattr_del(const struct lu_env *env,
3073 struct dt_object *dt, const char *name,
3074 struct thandle *handle)
3076 struct osd_thandle *oh;
3078 LASSERT(dt_object_exists(dt) && !dt_object_remote(dt));
3079 LASSERT(handle != NULL);
3081 oh = container_of0(handle, struct osd_thandle, ot_super);
3082 LASSERT(oh->ot_handle == NULL);
3084 osd_trans_declare_op(env, oh, OSD_OT_XATTR_SET,
3085 osd_dto_credits_noquota[DTO_XATTR_SET]);
3091 * Concurrency: @dt is write locked.
3093 static int osd_xattr_del(const struct lu_env *env, struct dt_object *dt,
3094 const char *name, struct thandle *handle,
3095 struct lustre_capa *capa)
3097 struct osd_object *obj = osd_dt_obj(dt);
3098 struct inode *inode = obj->oo_inode;
3099 struct osd_thread_info *info = osd_oti_get(env);
3100 struct dentry *dentry = &info->oti_obj_dentry;
3103 LASSERT(dt_object_exists(dt) && !dt_object_remote(dt));
3104 LASSERT(inode->i_op != NULL && inode->i_op->removexattr != NULL);
3105 LASSERT(handle != NULL);
3107 if (osd_object_auth(env, dt, capa, CAPA_OPC_META_WRITE))
3110 osd_trans_exec_op(env, handle, OSD_OT_XATTR_SET);
3112 ll_vfs_dq_init(inode);
3113 dentry->d_inode = inode;
3114 dentry->d_sb = inode->i_sb;
3115 rc = inode->i_op->removexattr(dentry, name);
3119 static struct obd_capa *osd_capa_get(const struct lu_env *env,
3120 struct dt_object *dt,
3121 struct lustre_capa *old, __u64 opc)
3123 struct osd_thread_info *info = osd_oti_get(env);
3124 const struct lu_fid *fid = lu_object_fid(&dt->do_lu);
3125 struct osd_object *obj = osd_dt_obj(dt);
3126 struct osd_device *osd = osd_obj2dev(obj);
3127 struct lustre_capa_key *key = &info->oti_capa_key;
3128 struct lustre_capa *capa = &info->oti_capa;
3129 struct obd_capa *oc;
3130 struct lu_capainfo *lci;
3134 if (!osd->od_fl_capa)
3135 RETURN(ERR_PTR(-ENOENT));
3137 LASSERT(dt_object_exists(dt) && !dt_object_remote(dt));
3138 LINVRNT(osd_invariant(obj));
3140 /* renewal sanity check */
3141 if (old && osd_object_auth(env, dt, old, opc))
3142 RETURN(ERR_PTR(-EACCES));
3144 lci = lu_capainfo_get(env);
3145 if (unlikely(lci == NULL))
3146 RETURN(ERR_PTR(-ENOENT));
3148 switch (lci->lci_auth) {
3152 capa->lc_uid = i_uid_read(obj->oo_inode);
3153 capa->lc_gid = i_gid_read(obj->oo_inode);
3154 capa->lc_flags = LC_ID_PLAIN;
3156 case LC_ID_CONVERT: {
3159 s[0] = i_uid_read(obj->oo_inode);
3160 cfs_get_random_bytes(&(s[1]), sizeof(__u32));
3161 s[2] = i_uid_read(obj->oo_inode);
3162 cfs_get_random_bytes(&(s[3]), sizeof(__u32));
3163 rc = capa_encrypt_id(d, s, key->lk_key, CAPA_HMAC_KEY_MAX_LEN);
3165 RETURN(ERR_PTR(rc));
3167 capa->lc_uid = ((__u64)d[1] << 32) | d[0];
3168 capa->lc_gid = ((__u64)d[3] << 32) | d[2];
3169 capa->lc_flags = LC_ID_CONVERT;
3173 RETURN(ERR_PTR(-EINVAL));
3176 capa->lc_fid = *fid;
3178 capa->lc_flags |= osd->od_capa_alg << 24;
3179 capa->lc_timeout = osd->od_capa_timeout;
3180 capa->lc_expiry = 0;
3182 oc = capa_lookup(osd->od_capa_hash, capa, 1);
3184 LASSERT(!capa_is_expired(oc));
3188 spin_lock(&capa_lock);
3189 *key = osd->od_capa_keys[1];
3190 spin_unlock(&capa_lock);
3192 capa->lc_keyid = key->lk_keyid;
3193 capa->lc_expiry = cfs_time_current_sec() + osd->od_capa_timeout;
3195 rc = capa_hmac(capa->lc_hmac, capa, key->lk_key);
3197 DEBUG_CAPA(D_ERROR, capa, "HMAC failed: %d for", rc);
3198 RETURN(ERR_PTR(rc));
3201 oc = capa_add(osd->od_capa_hash, capa);
3205 static int osd_object_sync(const struct lu_env *env, struct dt_object *dt,
3206 __u64 start, __u64 end)
3208 struct osd_object *obj = osd_dt_obj(dt);
3209 struct inode *inode = obj->oo_inode;
3210 struct osd_thread_info *info = osd_oti_get(env);
3211 struct dentry *dentry = &info->oti_obj_dentry;
3212 struct file *file = &info->oti_file;
3217 dentry->d_inode = inode;
3218 dentry->d_sb = inode->i_sb;
3219 file->f_dentry = dentry;
3220 file->f_mapping = inode->i_mapping;
3221 file->f_op = inode->i_fop;
3222 set_file_inode(file, inode);
3224 #ifdef HAVE_FILE_FSYNC_4ARGS
3225 rc = file->f_op->fsync(file, start, end, 0);
3226 #elif defined(HAVE_FILE_FSYNC_2ARGS)
3227 mutex_lock(&inode->i_mutex);
3228 rc = file->f_op->fsync(file, 0);
3229 mutex_unlock(&inode->i_mutex);
3231 mutex_lock(&inode->i_mutex);
3232 rc = file->f_op->fsync(file, dentry, 0);
3233 mutex_unlock(&inode->i_mutex);
3239 static int osd_data_get(const struct lu_env *env, struct dt_object *dt,
3242 struct osd_object *obj = osd_dt_obj(dt);
3245 *data = (void *)obj->oo_inode;
3253 static int osd_iam_index_probe(const struct lu_env *env, struct osd_object *o,
3254 const struct dt_index_features *feat)
3256 struct iam_descr *descr;
3258 if (osd_object_is_root(o))
3259 return feat == &dt_directory_features;
3261 LASSERT(o->oo_dir != NULL);
3263 descr = o->oo_dir->od_container.ic_descr;
3264 if (feat == &dt_directory_features) {
3265 if (descr->id_rec_size == sizeof(struct osd_fid_pack))
3271 feat->dif_keysize_min <= descr->id_key_size &&
3272 descr->id_key_size <= feat->dif_keysize_max &&
3273 feat->dif_recsize_min <= descr->id_rec_size &&
3274 descr->id_rec_size <= feat->dif_recsize_max &&
3275 !(feat->dif_flags & (DT_IND_VARKEY |
3276 DT_IND_VARREC | DT_IND_NONUNQ)) &&
3277 ergo(feat->dif_flags & DT_IND_UPDATE,
3278 1 /* XXX check that object (and file system) is
3283 static int osd_iam_container_init(const struct lu_env *env,
3284 struct osd_object *obj,
3285 struct osd_directory *dir)
3287 struct iam_container *bag = &dir->od_container;
3290 result = iam_container_init(bag, &dir->od_descr, obj->oo_inode);
3294 result = iam_container_setup(bag);
3296 obj->oo_dt.do_index_ops = &osd_index_iam_ops;
3298 iam_container_fini(bag);
3305 * Concurrency: no external locking is necessary.
3307 static int osd_index_try(const struct lu_env *env, struct dt_object *dt,
3308 const struct dt_index_features *feat)
3312 struct osd_object *obj = osd_dt_obj(dt);
3314 LINVRNT(osd_invariant(obj));
3316 if (osd_object_is_root(obj)) {
3317 dt->do_index_ops = &osd_index_ea_ops;
3319 } else if (feat == &dt_directory_features) {
3320 dt->do_index_ops = &osd_index_ea_ops;
3321 if (obj->oo_inode != NULL && S_ISDIR(obj->oo_inode->i_mode))
3326 } else if (unlikely(feat == &dt_otable_features)) {
3327 dt->do_index_ops = &osd_otable_ops;
3329 } else if (unlikely(feat == &dt_acct_features)) {
3330 dt->do_index_ops = &osd_acct_index_ops;
3333 } else if (!osd_has_index(obj)) {
3334 struct osd_directory *dir;
3339 spin_lock(&obj->oo_guard);
3340 if (obj->oo_dir == NULL)
3344 * Concurrent thread allocated container data.
3347 spin_unlock(&obj->oo_guard);
3349 * Now, that we have container data, serialize its
3352 down_write(&obj->oo_ext_idx_sem);
3354 * recheck under lock.
3356 if (!osd_has_index(obj))
3357 result = osd_iam_container_init(env, obj,
3361 up_write(&obj->oo_ext_idx_sem);
3369 if (result == 0 && skip_iam == 0) {
3370 if (!osd_iam_index_probe(env, obj, feat))
3373 LINVRNT(osd_invariant(obj));
3375 if (result == 0 && is_quota_glb_feat(feat) &&
3376 fid_seq(lu_object_fid(&dt->do_lu)) == FID_SEQ_QUOTA_GLB)
3377 result = osd_quota_migration(env, dt, feat);
3382 static int osd_otable_it_attr_get(const struct lu_env *env,
3383 struct dt_object *dt,
3384 struct lu_attr *attr,
3385 struct lustre_capa *capa)
3391 static const struct dt_object_operations osd_obj_ops = {
3392 .do_read_lock = osd_object_read_lock,
3393 .do_write_lock = osd_object_write_lock,
3394 .do_read_unlock = osd_object_read_unlock,
3395 .do_write_unlock = osd_object_write_unlock,
3396 .do_write_locked = osd_object_write_locked,
3397 .do_attr_get = osd_attr_get,
3398 .do_declare_attr_set = osd_declare_attr_set,
3399 .do_attr_set = osd_attr_set,
3400 .do_ah_init = osd_ah_init,
3401 .do_declare_create = osd_declare_object_create,
3402 .do_create = osd_object_create,
3403 .do_declare_destroy = osd_declare_object_destroy,
3404 .do_destroy = osd_object_destroy,
3405 .do_index_try = osd_index_try,
3406 .do_declare_ref_add = osd_declare_object_ref_add,
3407 .do_ref_add = osd_object_ref_add,
3408 .do_declare_ref_del = osd_declare_object_ref_del,
3409 .do_ref_del = osd_object_ref_del,
3410 .do_xattr_get = osd_xattr_get,
3411 .do_declare_xattr_set = osd_declare_xattr_set,
3412 .do_xattr_set = osd_xattr_set,
3413 .do_declare_xattr_del = osd_declare_xattr_del,
3414 .do_xattr_del = osd_xattr_del,
3415 .do_xattr_list = osd_xattr_list,
3416 .do_capa_get = osd_capa_get,
3417 .do_object_sync = osd_object_sync,
3418 .do_data_get = osd_data_get,
3422 * dt_object_operations for interoperability mode
3423 * (i.e. to run 2.0 mds on 1.8 disk) (b11826)
3425 static const struct dt_object_operations osd_obj_ea_ops = {
3426 .do_read_lock = osd_object_read_lock,
3427 .do_write_lock = osd_object_write_lock,
3428 .do_read_unlock = osd_object_read_unlock,
3429 .do_write_unlock = osd_object_write_unlock,
3430 .do_write_locked = osd_object_write_locked,
3431 .do_attr_get = osd_attr_get,
3432 .do_declare_attr_set = osd_declare_attr_set,
3433 .do_attr_set = osd_attr_set,
3434 .do_ah_init = osd_ah_init,
3435 .do_declare_create = osd_declare_object_create,
3436 .do_create = osd_object_ea_create,
3437 .do_declare_destroy = osd_declare_object_destroy,
3438 .do_destroy = osd_object_destroy,
3439 .do_index_try = osd_index_try,
3440 .do_declare_ref_add = osd_declare_object_ref_add,
3441 .do_ref_add = osd_object_ref_add,
3442 .do_declare_ref_del = osd_declare_object_ref_del,
3443 .do_ref_del = osd_object_ref_del,
3444 .do_xattr_get = osd_xattr_get,
3445 .do_declare_xattr_set = osd_declare_xattr_set,
3446 .do_xattr_set = osd_xattr_set,
3447 .do_declare_xattr_del = osd_declare_xattr_del,
3448 .do_xattr_del = osd_xattr_del,
3449 .do_xattr_list = osd_xattr_list,
3450 .do_capa_get = osd_capa_get,
3451 .do_object_sync = osd_object_sync,
3452 .do_data_get = osd_data_get,
3455 static const struct dt_object_operations osd_obj_otable_it_ops = {
3456 .do_attr_get = osd_otable_it_attr_get,
3457 .do_index_try = osd_index_try,
3460 static int osd_index_declare_iam_delete(const struct lu_env *env,
3461 struct dt_object *dt,
3462 const struct dt_key *key,
3463 struct thandle *handle)
3465 struct osd_thandle *oh;
3467 oh = container_of0(handle, struct osd_thandle, ot_super);
3468 LASSERT(oh->ot_handle == NULL);
3470 osd_trans_declare_op(env, oh, OSD_OT_DELETE,
3471 osd_dto_credits_noquota[DTO_INDEX_DELETE]);
3477 * delete a (key, value) pair from index \a dt specified by \a key
3479 * \param dt osd index object
3480 * \param key key for index
3481 * \param rec record reference
3482 * \param handle transaction handler
3485 * \retval -ve failure
3488 static int osd_index_iam_delete(const struct lu_env *env, struct dt_object *dt,
3489 const struct dt_key *key,
3490 struct thandle *handle,
3491 struct lustre_capa *capa)
3493 struct osd_thread_info *oti = osd_oti_get(env);
3494 struct osd_object *obj = osd_dt_obj(dt);
3495 struct osd_thandle *oh;
3496 struct iam_path_descr *ipd;
3497 struct iam_container *bag = &obj->oo_dir->od_container;
3502 LINVRNT(osd_invariant(obj));
3503 LASSERT(dt_object_exists(dt) && !dt_object_remote(dt));
3504 LASSERT(bag->ic_object == obj->oo_inode);
3505 LASSERT(handle != NULL);
3507 if (osd_object_auth(env, dt, capa, CAPA_OPC_INDEX_DELETE))
3510 osd_trans_exec_op(env, handle, OSD_OT_DELETE);
3512 ipd = osd_idx_ipd_get(env, bag);
3513 if (unlikely(ipd == NULL))
3516 oh = container_of0(handle, struct osd_thandle, ot_super);
3517 LASSERT(oh->ot_handle != NULL);
3518 LASSERT(oh->ot_handle->h_transaction != NULL);
3520 if (fid_is_quota(lu_object_fid(&dt->do_lu))) {
3521 /* swab quota uid/gid provided by caller */
3522 oti->oti_quota_id = cpu_to_le64(*((__u64 *)key));
3523 key = (const struct dt_key *)&oti->oti_quota_id;
3526 rc = iam_delete(oh->ot_handle, bag, (const struct iam_key *)key, ipd);
3527 osd_ipd_put(env, bag, ipd);
3528 LINVRNT(osd_invariant(obj));
3532 static int osd_index_declare_ea_delete(const struct lu_env *env,
3533 struct dt_object *dt,
3534 const struct dt_key *key,
3535 struct thandle *handle)
3537 struct osd_thandle *oh;
3538 struct inode *inode;
3542 LASSERT(dt_object_exists(dt) && !dt_object_remote(dt));
3543 LASSERT(handle != NULL);
3545 oh = container_of0(handle, struct osd_thandle, ot_super);
3546 LASSERT(oh->ot_handle == NULL);
3548 osd_trans_declare_op(env, oh, OSD_OT_DELETE,
3549 osd_dto_credits_noquota[DTO_INDEX_DELETE]);
3551 inode = osd_dt_obj(dt)->oo_inode;
3554 rc = osd_declare_inode_qid(env, i_uid_read(inode), i_gid_read(inode),
3555 0, oh, true, true, NULL, false);
3559 static inline int osd_get_fid_from_dentry(struct ldiskfs_dir_entry_2 *de,
3562 struct osd_fid_pack *rec;
3565 if (de->file_type & LDISKFS_DIRENT_LUFID) {
3566 rec = (struct osd_fid_pack *) (de->name + de->name_len + 1);
3567 rc = osd_fid_unpack((struct lu_fid *)fid, rec);
3572 static int osd_remote_fid(const struct lu_env *env, struct osd_device *osd,
3573 const struct lu_fid *fid)
3575 struct seq_server_site *ss = osd_seq_site(osd);
3578 /* FID seqs not in FLDB, must be local seq */
3579 if (unlikely(!fid_seq_in_fldb(fid_seq(fid))))
3582 /* If FLD is not being initialized yet, it only happens during the
3583 * initialization, likely during mgs initialization, and we assume
3584 * this is local FID. */
3585 if (ss == NULL || ss->ss_server_fld == NULL)
3588 /* Only check the local FLDB here */
3589 if (osd_seq_exists(env, osd, fid_seq(fid)))
3596 * Index delete function for interoperability mode (b11826).
3597 * It will remove the directory entry added by osd_index_ea_insert().
3598 * This entry is needed to maintain name->fid mapping.
3600 * \param key, key i.e. file entry to be deleted
3602 * \retval 0, on success
3603 * \retval -ve, on error
3605 static int osd_index_ea_delete(const struct lu_env *env, struct dt_object *dt,
3606 const struct dt_key *key,
3607 struct thandle *handle,
3608 struct lustre_capa *capa)
3610 struct osd_object *obj = osd_dt_obj(dt);
3611 struct inode *dir = obj->oo_inode;
3612 struct dentry *dentry;
3613 struct osd_thandle *oh;
3614 struct ldiskfs_dir_entry_2 *de = NULL;
3615 struct buffer_head *bh;
3616 struct htree_lock *hlock = NULL;
3617 struct lu_fid *fid = &osd_oti_get(env)->oti_fid;
3618 struct osd_device *osd = osd_dev(dt->do_lu.lo_dev);
3622 LINVRNT(osd_invariant(obj));
3623 LASSERT(dt_object_exists(dt) && !dt_object_remote(dt));
3624 LASSERT(handle != NULL);
3626 osd_trans_exec_op(env, handle, OSD_OT_DELETE);
3628 oh = container_of(handle, struct osd_thandle, ot_super);
3629 LASSERT(oh->ot_handle != NULL);
3630 LASSERT(oh->ot_handle->h_transaction != NULL);
3632 if (osd_object_auth(env, dt, capa, CAPA_OPC_INDEX_DELETE))
3635 ll_vfs_dq_init(dir);
3636 dentry = osd_child_dentry_get(env, obj,
3637 (char *)key, strlen((char *)key));
3639 if (obj->oo_hl_head != NULL) {
3640 hlock = osd_oti_get(env)->oti_hlock;
3641 ldiskfs_htree_lock(hlock, obj->oo_hl_head,
3642 dir, LDISKFS_HLOCK_DEL);
3644 down_write(&obj->oo_ext_idx_sem);
3647 bh = osd_ldiskfs_find_entry(dir, &dentry->d_name, &de, NULL, hlock);
3651 /* If this is not the ".." entry, it might be a remote DNE
3652 * entry and we need to check if the FID is for a remote
3653 * MDT. If the FID is not in the directory entry (e.g.
3654 * upgraded 1.8 filesystem without dirdata enabled) then
3655 * we need to get the FID from the LMA. For a remote directory
3656 * there HAS to be an LMA, it cannot be an IGIF inode in this
3659 * Delete the entry before the agent inode in order to
3660 * simplify error handling. At worst an error after deleting
3661 * the entry first might leak the agent inode afterward. The
3662 * reverse would need filesystem abort in case of error deleting
3663 * the entry after the agent had been removed, or leave a
3664 * dangling entry pointing at a random inode. */
3665 if (strcmp((char *)key, dotdot) != 0) {
3666 LASSERT(de != NULL);
3667 rc = osd_get_fid_from_dentry(de, (struct dt_rec *)fid);
3668 /* If Fid is not in dentry, try to get it from LMA */
3669 if (rc == -ENODATA) {
3670 struct osd_inode_id *id;
3671 struct inode *inode;
3673 /* Before trying to get fid from the inode,
3674 * check whether the inode is valid.
3676 * If the inode has been deleted, do not go
3677 * ahead to do osd_ea_fid_get, which will set
3678 * the inode to bad inode, which might cause
3679 * the inode to be deleted uncorrectly */
3680 inode = ldiskfs_iget(osd_sb(osd),
3681 le32_to_cpu(de->inode));
3682 if (IS_ERR(inode)) {
3683 CDEBUG(D_INODE, "%s: "DFID"get inode"
3684 "error.\n", osd_name(osd),
3686 rc = PTR_ERR(inode);
3688 if (likely(inode->i_nlink != 0)) {
3689 id = &osd_oti_get(env)->oti_id;
3690 rc = osd_ea_fid_get(env, obj,
3691 le32_to_cpu(de->inode),
3694 CDEBUG(D_INFO, "%s: %u "DFID
3697 le32_to_cpu(de->inode),
3705 unlikely(osd_remote_fid(env, osd, fid)))
3706 /* Need to delete agent inode */
3707 ino = le32_to_cpu(de->inode);
3709 rc = ldiskfs_delete_entry(oh->ot_handle, dir, de, bh);
3711 if (rc == 0 && unlikely(ino != 0)) {
3712 rc = osd_delete_local_agent_inode(env, osd, fid, ino,
3715 CERROR("%s: del local inode "DFID": rc = %d\n",
3716 osd_name(osd), PFID(fid), rc);
3722 ldiskfs_htree_unlock(hlock);
3724 up_write(&obj->oo_ext_idx_sem);
3729 /* For inode on the remote MDT, .. will point to
3730 * /Agent directory, Check whether it needs to delete
3731 * from agent directory */
3732 if (unlikely(strcmp((char *)key, dotdot) == 0)) {
3733 rc = osd_delete_from_remote_parent(env, osd_obj2dev(obj), obj,
3735 if (rc != 0 && rc != -ENOENT) {
3736 CERROR("%s: delete agent inode "DFID": rc = %d\n",
3737 osd_name(osd), PFID(fid), rc);
3747 LASSERT(osd_invariant(obj));
3752 * Lookup index for \a key and copy record to \a rec.
3754 * \param dt osd index object
3755 * \param key key for index
3756 * \param rec record reference
3758 * \retval +ve success : exact mach
3759 * \retval 0 return record with key not greater than \a key
3760 * \retval -ve failure
3762 static int osd_index_iam_lookup(const struct lu_env *env, struct dt_object *dt,
3763 struct dt_rec *rec, const struct dt_key *key,
3764 struct lustre_capa *capa)
3766 struct osd_object *obj = osd_dt_obj(dt);
3767 struct iam_path_descr *ipd;
3768 struct iam_container *bag = &obj->oo_dir->od_container;
3769 struct osd_thread_info *oti = osd_oti_get(env);
3770 struct iam_iterator *it = &oti->oti_idx_it;
3771 struct iam_rec *iam_rec;
3776 LASSERT(osd_invariant(obj));
3777 LASSERT(dt_object_exists(dt) && !dt_object_remote(dt));
3778 LASSERT(bag->ic_object == obj->oo_inode);
3780 if (osd_object_auth(env, dt, capa, CAPA_OPC_INDEX_LOOKUP))
3783 ipd = osd_idx_ipd_get(env, bag);
3787 /* got ipd now we can start iterator. */
3788 iam_it_init(it, bag, 0, ipd);
3790 if (fid_is_quota(lu_object_fid(&dt->do_lu))) {
3791 /* swab quota uid/gid provided by caller */
3792 oti->oti_quota_id = cpu_to_le64(*((__u64 *)key));
3793 key = (const struct dt_key *)&oti->oti_quota_id;
3796 rc = iam_it_get(it, (struct iam_key *)key);
3798 if (S_ISDIR(obj->oo_inode->i_mode))
3799 iam_rec = (struct iam_rec *)oti->oti_ldp;
3801 iam_rec = (struct iam_rec *) rec;
3803 iam_reccpy(&it->ii_path.ip_leaf, (struct iam_rec *)iam_rec);
3805 if (S_ISDIR(obj->oo_inode->i_mode))
3806 osd_fid_unpack((struct lu_fid *) rec,
3807 (struct osd_fid_pack *)iam_rec);
3808 else if (fid_is_quota(lu_object_fid(&dt->do_lu)))
3809 osd_quota_unpack(obj, rec);
3814 osd_ipd_put(env, bag, ipd);
3816 LINVRNT(osd_invariant(obj));
3821 static int osd_index_declare_iam_insert(const struct lu_env *env,
3822 struct dt_object *dt,
3823 const struct dt_rec *rec,
3824 const struct dt_key *key,
3825 struct thandle *handle)
3827 struct osd_thandle *oh;
3829 LASSERT(handle != NULL);
3831 oh = container_of0(handle, struct osd_thandle, ot_super);
3832 LASSERT(oh->ot_handle == NULL);
3834 osd_trans_declare_op(env, oh, OSD_OT_INSERT,
3835 osd_dto_credits_noquota[DTO_INDEX_INSERT]);
3841 * Inserts (key, value) pair in \a dt index object.
3843 * \param dt osd index object
3844 * \param key key for index
3845 * \param rec record reference
3846 * \param th transaction handler
3849 * \retval -ve failure
3851 static int osd_index_iam_insert(const struct lu_env *env, struct dt_object *dt,
3852 const struct dt_rec *rec,
3853 const struct dt_key *key, struct thandle *th,
3854 struct lustre_capa *capa, int ignore_quota)
3856 struct osd_object *obj = osd_dt_obj(dt);
3857 struct iam_path_descr *ipd;
3858 struct osd_thandle *oh;
3859 struct iam_container *bag = &obj->oo_dir->od_container;
3860 struct osd_thread_info *oti = osd_oti_get(env);
3861 struct iam_rec *iam_rec;
3866 LINVRNT(osd_invariant(obj));
3867 LASSERT(dt_object_exists(dt) && !dt_object_remote(dt));
3868 LASSERT(bag->ic_object == obj->oo_inode);
3869 LASSERT(th != NULL);
3871 if (osd_object_auth(env, dt, capa, CAPA_OPC_INDEX_INSERT))
3874 osd_trans_exec_op(env, th, OSD_OT_INSERT);
3876 ipd = osd_idx_ipd_get(env, bag);
3877 if (unlikely(ipd == NULL))
3880 oh = container_of0(th, struct osd_thandle, ot_super);
3881 LASSERT(oh->ot_handle != NULL);
3882 LASSERT(oh->ot_handle->h_transaction != NULL);
3883 if (S_ISDIR(obj->oo_inode->i_mode)) {
3884 iam_rec = (struct iam_rec *)oti->oti_ldp;
3885 osd_fid_pack((struct osd_fid_pack *)iam_rec, rec, &oti->oti_fid);
3886 } else if (fid_is_quota(lu_object_fid(&dt->do_lu))) {
3887 /* pack quota uid/gid */
3888 oti->oti_quota_id = cpu_to_le64(*((__u64 *)key));
3889 key = (const struct dt_key *)&oti->oti_quota_id;
3890 /* pack quota record */
3891 rec = osd_quota_pack(obj, rec, &oti->oti_quota_rec);
3892 iam_rec = (struct iam_rec *)rec;
3894 iam_rec = (struct iam_rec *)rec;
3897 rc = iam_insert(oh->ot_handle, bag, (const struct iam_key *)key,
3899 osd_ipd_put(env, bag, ipd);
3900 LINVRNT(osd_invariant(obj));
3905 * Calls ldiskfs_add_entry() to add directory entry
3906 * into the directory. This is required for
3907 * interoperability mode (b11826)
3909 * \retval 0, on success
3910 * \retval -ve, on error
3912 static int __osd_ea_add_rec(struct osd_thread_info *info,
3913 struct osd_object *pobj, struct inode *cinode,
3914 const char *name, const struct lu_fid *fid,
3915 struct htree_lock *hlock, struct thandle *th)
3917 struct ldiskfs_dentry_param *ldp;
3918 struct dentry *child;
3919 struct osd_thandle *oth;
3922 oth = container_of(th, struct osd_thandle, ot_super);
3923 LASSERT(oth->ot_handle != NULL);
3924 LASSERT(oth->ot_handle->h_transaction != NULL);
3925 LASSERT(pobj->oo_inode);
3927 ldp = (struct ldiskfs_dentry_param *)info->oti_ldp;
3928 if (unlikely(pobj->oo_inode ==
3929 osd_sb(osd_obj2dev(pobj))->s_root->d_inode))
3932 osd_get_ldiskfs_dirent_param(ldp, fid);
3933 child = osd_child_dentry_get(info->oti_env, pobj, name, strlen(name));
3934 child->d_fsdata = (void *)ldp;
3935 ll_vfs_dq_init(pobj->oo_inode);
3936 rc = osd_ldiskfs_add_entry(oth->ot_handle, child, cinode, hlock);
3942 * Calls ldiskfs_add_dot_dotdot() to add dot and dotdot entries
3943 * into the directory.Also sets flags into osd object to
3944 * indicate dot and dotdot are created. This is required for
3945 * interoperability mode (b11826)
3947 * \param dir directory for dot and dotdot fixup.
3948 * \param obj child object for linking
3950 * \retval 0, on success
3951 * \retval -ve, on error
3953 static int osd_add_dot_dotdot(struct osd_thread_info *info,
3954 struct osd_object *dir,
3955 struct inode *parent_dir, const char *name,
3956 const struct lu_fid *dot_fid,
3957 const struct lu_fid *dot_dot_fid,
3960 struct inode *inode = dir->oo_inode;
3961 struct osd_thandle *oth;
3964 oth = container_of(th, struct osd_thandle, ot_super);
3965 LASSERT(oth->ot_handle->h_transaction != NULL);
3966 LASSERT(S_ISDIR(dir->oo_inode->i_mode));
3968 if (strcmp(name, dot) == 0) {
3969 if (dir->oo_compat_dot_created) {
3972 LASSERT(inode == parent_dir);
3973 dir->oo_compat_dot_created = 1;
3976 } else if (strcmp(name, dotdot) == 0) {
3977 if (!dir->oo_compat_dot_created)
3979 /* in case of rename, dotdot is already created */
3980 if (dir->oo_compat_dotdot_created) {
3981 return __osd_ea_add_rec(info, dir, parent_dir, name,
3982 dot_dot_fid, NULL, th);
3985 result = osd_add_dot_dotdot_internal(info, dir->oo_inode,
3986 parent_dir, dot_fid,
3989 dir->oo_compat_dotdot_created = 1;
3997 * It will call the appropriate osd_add* function and return the
3998 * value, return by respective functions.
4000 static int osd_ea_add_rec(const struct lu_env *env, struct osd_object *pobj,
4001 struct inode *cinode, const char *name,
4002 const struct lu_fid *fid, struct thandle *th)
4004 struct osd_thread_info *info = osd_oti_get(env);
4005 struct htree_lock *hlock;
4008 hlock = pobj->oo_hl_head != NULL ? info->oti_hlock : NULL;
4010 if (name[0] == '.' && (name[1] == '\0' || (name[1] == '.' &&
4012 if (hlock != NULL) {
4013 ldiskfs_htree_lock(hlock, pobj->oo_hl_head,
4016 down_write(&pobj->oo_ext_idx_sem);
4019 rc = osd_add_dot_dotdot(info, pobj, cinode, name,
4020 lu_object_fid(&pobj->oo_dt.do_lu),
4023 if (hlock != NULL) {
4024 ldiskfs_htree_lock(hlock, pobj->oo_hl_head,
4025 pobj->oo_inode, LDISKFS_HLOCK_ADD);
4027 down_write(&pobj->oo_ext_idx_sem);
4030 if (OBD_FAIL_CHECK(OBD_FAIL_FID_INDIR)) {
4031 struct lu_fid *tfid = &info->oti_fid;
4035 rc = __osd_ea_add_rec(info, pobj, cinode, name,
4038 rc = __osd_ea_add_rec(info, pobj, cinode, name, fid,
4043 ldiskfs_htree_unlock(hlock);
4045 up_write(&pobj->oo_ext_idx_sem);
4051 osd_consistency_check(struct osd_thread_info *oti, struct osd_device *dev,
4052 struct osd_idmap_cache *oic)
4054 struct osd_scrub *scrub = &dev->od_scrub;
4055 struct lu_fid *fid = &oic->oic_fid;
4056 struct osd_inode_id *id = &oti->oti_id;
4061 if (!fid_is_norm(fid) && !fid_is_igif(fid))
4065 rc = osd_oi_lookup(oti, dev, fid, id, OI_CHECK_FLD);
4066 if (rc != 0 && rc != -ENOENT)
4069 if (rc == 0 && osd_id_eq(id, &oic->oic_lid))
4072 if (thread_is_running(&scrub->os_thread)) {
4073 rc = osd_oii_insert(dev, oic, rc == -ENOENT);
4074 /* There is race condition between osd_oi_lookup and OI scrub.
4075 * The OI scrub finished just after osd_oi_lookup() failure.
4076 * Under such case, it is unnecessary to trigger OI scrub again,
4077 * but try to call osd_oi_lookup() again. */
4078 if (unlikely(rc == -EAGAIN))
4084 if (!dev->od_noscrub && ++once == 1) {
4085 rc = osd_scrub_start(dev);
4086 LCONSOLE_WARN("%.16s: trigger OI scrub by RPC for "DFID
4088 LDISKFS_SB(osd_sb(dev))->s_es->s_volume_name,
4097 static int osd_fail_fid_lookup(struct osd_thread_info *oti,
4098 struct osd_device *dev,
4099 struct osd_idmap_cache *oic,
4100 struct lu_fid *fid, __u32 ino)
4102 struct lustre_mdt_attrs *lma = &oti->oti_mdt_attrs;
4103 struct inode *inode;
4106 osd_id_gen(&oic->oic_lid, ino, OSD_OII_NOGEN);
4107 inode = osd_iget(oti, dev, &oic->oic_lid);
4108 if (IS_ERR(inode)) {
4109 fid_zero(&oic->oic_fid);
4110 return PTR_ERR(inode);
4113 rc = osd_get_lma(oti, inode, &oti->oti_obj_dentry, lma);
4116 fid_zero(&oic->oic_fid);
4118 *fid = oic->oic_fid = lma->lma_self_fid;
4122 int osd_add_oi_cache(struct osd_thread_info *info, struct osd_device *osd,
4123 struct osd_inode_id *id, const struct lu_fid *fid)
4125 CDEBUG(D_INODE, "add "DFID" %u:%u to info %p\n", PFID(fid),
4126 id->oii_ino, id->oii_gen, info);
4127 info->oti_cache.oic_lid = *id;
4128 info->oti_cache.oic_fid = *fid;
4129 info->oti_cache.oic_dev = osd;
4135 * Get parent FID from the linkEA.
4137 * For a directory which parent resides on remote MDT, to satisfy the
4138 * local e2fsck, we insert it into the /REMOTE_PARENT_DIR locally. On
4139 * the other hand, to make the lookup(..) on the directory can return
4140 * the real parent FID, we append the real parent FID after its ".."
4141 * name entry in the /REMOTE_PARENT_DIR.
4143 * Unfortunately, such PFID-in-dirent cannot be preserved via file-level
4144 * backup. So after the restore, we cannot get the right parent FID from
4145 * its ".." name entry in the /REMOTE_PARENT_DIR. Under such case, since
4146 * we have stored the real parent FID in the directory object's linkEA,
4147 * we can parse the linkEA for the real parent FID.
4149 * \param[in] env pointer to the thread context
4150 * \param[in] obj pointer to the object to be handled
4151 * \param[out]fid pointer to the buffer to hold the parent FID
4153 * \retval 0 for getting the real parent FID successfully
4154 * \retval negative error number on failure
4156 static int osd_get_pfid_from_linkea(const struct lu_env *env,
4157 struct osd_object *obj,
4160 struct osd_thread_info *oti = osd_oti_get(env);
4161 struct lu_buf *buf = &oti->oti_big_buf;
4162 struct dentry *dentry = &oti->oti_obj_dentry;
4163 struct inode *inode = obj->oo_inode;
4164 struct linkea_data ldata = { 0 };
4169 if (!S_ISDIR(inode->i_mode))
4173 rc = __osd_xattr_get(inode, dentry, XATTR_NAME_LINK,
4174 buf->lb_buf, buf->lb_len);
4175 if (rc == -ERANGE) {
4176 rc = __osd_xattr_get(inode, dentry, XATTR_NAME_LINK,
4179 lu_buf_realloc(buf, rc);
4180 if (buf->lb_buf == NULL)
4187 if (unlikely(rc == 0))
4193 if (unlikely(buf->lb_buf == NULL)) {
4194 lu_buf_realloc(buf, rc);
4195 if (buf->lb_buf == NULL)
4202 rc = linkea_init(&ldata);
4204 linkea_first_entry(&ldata);
4205 linkea_entry_unpack(ldata.ld_lee, &ldata.ld_reclen, NULL, fid);
4212 * Calls ->lookup() to find dentry. From dentry get inode and
4213 * read inode's ea to get fid. This is required for interoperability
4216 * \retval 0, on success
4217 * \retval -ve, on error
4219 static int osd_ea_lookup_rec(const struct lu_env *env, struct osd_object *obj,
4220 struct dt_rec *rec, const struct dt_key *key)
4222 struct inode *dir = obj->oo_inode;
4223 struct dentry *dentry;
4224 struct ldiskfs_dir_entry_2 *de;
4225 struct buffer_head *bh;
4226 struct lu_fid *fid = (struct lu_fid *) rec;
4227 struct htree_lock *hlock = NULL;
4232 LASSERT(dir->i_op != NULL && dir->i_op->lookup != NULL);
4234 dentry = osd_child_dentry_get(env, obj,
4235 (char *)key, strlen((char *)key));
4237 if (obj->oo_hl_head != NULL) {
4238 hlock = osd_oti_get(env)->oti_hlock;
4239 ldiskfs_htree_lock(hlock, obj->oo_hl_head,
4240 dir, LDISKFS_HLOCK_LOOKUP);
4242 down_read(&obj->oo_ext_idx_sem);
4245 bh = osd_ldiskfs_find_entry(dir, &dentry->d_name, &de, NULL, hlock);
4247 struct osd_thread_info *oti = osd_oti_get(env);
4248 struct osd_inode_id *id = &oti->oti_id;
4249 struct osd_idmap_cache *oic = &oti->oti_cache;
4250 struct osd_device *dev = osd_obj2dev(obj);
4251 struct osd_scrub *scrub = &dev->od_scrub;
4252 struct scrub_file *sf = &scrub->os_file;
4254 ino = le32_to_cpu(de->inode);
4255 if (OBD_FAIL_CHECK(OBD_FAIL_FID_LOOKUP)) {
4257 rc = osd_fail_fid_lookup(oti, dev, oic, fid, ino);
4261 rc = osd_get_fid_from_dentry(de, rec);
4263 /* done with de, release bh */
4266 if (unlikely(ino == osd_remote_parent_ino(dev)))
4267 /* If the parent is on remote MDT, and there
4268 * is no FID-in-dirent, then we have to get
4269 * the parent FID from the linkEA. */
4270 rc = osd_get_pfid_from_linkea(env, obj, fid);
4272 rc = osd_ea_fid_get(env, obj, ino, fid, id);
4274 osd_id_gen(id, ino, OSD_OII_NOGEN);
4278 fid_zero(&oic->oic_fid);
4282 if (osd_remote_fid(env, dev, fid))
4285 rc = osd_add_oi_cache(osd_oti_get(env), osd_obj2dev(obj), id,
4289 if ((scrub->os_pos_current <= ino) &&
4290 ((sf->sf_flags & SF_INCONSISTENT) ||
4291 (sf->sf_flags & SF_UPGRADE && fid_is_igif(fid)) ||
4292 ldiskfs_test_bit(osd_oi_fid2idx(dev, fid),
4294 osd_consistency_check(oti, dev, oic);
4303 ldiskfs_htree_unlock(hlock);
4305 up_read(&obj->oo_ext_idx_sem);
4310 * Find the osd object for given fid.
4312 * \param fid need to find the osd object having this fid
4314 * \retval osd_object on success
4315 * \retval -ve on error
4317 struct osd_object *osd_object_find(const struct lu_env *env,
4318 struct dt_object *dt,
4319 const struct lu_fid *fid)
4321 struct lu_device *ludev = dt->do_lu.lo_dev;
4322 struct osd_object *child = NULL;
4323 struct lu_object *luch;
4324 struct lu_object *lo;
4327 * at this point topdev might not exist yet
4328 * (i.e. MGS is preparing profiles). so we can
4329 * not rely on topdev and instead lookup with
4330 * our device passed as topdev. this can't work
4331 * if the object isn't cached yet (as osd doesn't
4332 * allocate lu_header). IOW, the object must be
4333 * in the cache, otherwise lu_object_alloc() crashes
4336 luch = lu_object_find_at(env, ludev->ld_site->ls_top_dev == NULL ?
4337 ludev : ludev->ld_site->ls_top_dev,
4339 if (!IS_ERR(luch)) {
4340 if (lu_object_exists(luch)) {
4341 lo = lu_object_locate(luch->lo_header, ludev->ld_type);
4343 child = osd_obj(lo);
4345 LU_OBJECT_DEBUG(D_ERROR, env, luch,
4346 "lu_object can't be located"
4347 DFID"\n", PFID(fid));
4349 if (child == NULL) {
4350 lu_object_put(env, luch);
4351 CERROR("Unable to get osd_object\n");
4352 child = ERR_PTR(-ENOENT);
4355 LU_OBJECT_DEBUG(D_ERROR, env, luch,
4356 "lu_object does not exists "DFID"\n",
4358 lu_object_put(env, luch);
4359 child = ERR_PTR(-ENOENT);
4362 child = ERR_CAST(luch);
4369 * Put the osd object once done with it.
4371 * \param obj osd object that needs to be put
4373 static inline void osd_object_put(const struct lu_env *env,
4374 struct osd_object *obj)
4376 lu_object_put(env, &obj->oo_dt.do_lu);
4379 static int osd_index_declare_ea_insert(const struct lu_env *env,
4380 struct dt_object *dt,
4381 const struct dt_rec *rec,
4382 const struct dt_key *key,
4383 struct thandle *handle)
4385 struct osd_thandle *oh;
4386 struct osd_device *osd = osd_dev(dt->do_lu.lo_dev);
4387 struct lu_fid *fid = (struct lu_fid *)rec;
4391 LASSERT(!dt_object_remote(dt));
4392 LASSERT(handle != NULL);
4394 oh = container_of0(handle, struct osd_thandle, ot_super);
4395 LASSERT(oh->ot_handle == NULL);
4397 osd_trans_declare_op(env, oh, OSD_OT_INSERT,
4398 osd_dto_credits_noquota[DTO_INDEX_INSERT]);
4400 if (osd_dt_obj(dt)->oo_inode != NULL) {
4401 struct inode *inode = osd_dt_obj(dt)->oo_inode;
4403 /* We ignore block quota on meta pool (MDTs), so needn't
4404 * calculate how many blocks will be consumed by this index
4406 rc = osd_declare_inode_qid(env, i_uid_read(inode),
4407 i_gid_read(inode), 0,
4408 oh, true, true, NULL, false);
4414 rc = osd_remote_fid(env, osd, fid);
4420 osd_trans_declare_op(env, oh, OSD_OT_CREATE,
4421 osd_dto_credits_noquota[DTO_OBJECT_CREATE]);
4422 osd_trans_declare_op(env, oh, OSD_OT_INSERT,
4423 osd_dto_credits_noquota[DTO_INDEX_INSERT] + 1);
4424 osd_trans_declare_op(env, oh, OSD_OT_INSERT,
4425 osd_dto_credits_noquota[DTO_INDEX_INSERT] + 1);
4431 * Index add function for interoperability mode (b11826).
4432 * It will add the directory entry.This entry is needed to
4433 * maintain name->fid mapping.
4435 * \param key it is key i.e. file entry to be inserted
4436 * \param rec it is value of given key i.e. fid
4438 * \retval 0, on success
4439 * \retval -ve, on error
4441 static int osd_index_ea_insert(const struct lu_env *env, struct dt_object *dt,
4442 const struct dt_rec *rec,
4443 const struct dt_key *key, struct thandle *th,
4444 struct lustre_capa *capa, int ignore_quota)
4446 struct osd_object *obj = osd_dt_obj(dt);
4447 struct osd_device *osd = osd_dev(dt->do_lu.lo_dev);
4448 struct dt_insert_rec *rec1 = (struct dt_insert_rec *)rec;
4449 const struct lu_fid *fid = rec1->rec_fid;
4450 const char *name = (const char *)key;
4451 struct osd_thread_info *oti = osd_oti_get(env);
4452 struct osd_inode_id *id = &oti->oti_id;
4453 struct inode *child_inode = NULL;
4454 struct osd_object *child = NULL;
4458 LASSERT(osd_invariant(obj));
4459 LASSERT(dt_object_exists(dt) && !dt_object_remote(dt));
4460 LASSERT(th != NULL);
4462 osd_trans_exec_op(env, th, OSD_OT_INSERT);
4464 if (osd_object_auth(env, dt, capa, CAPA_OPC_INDEX_INSERT))
4467 LASSERTF(fid_is_sane(fid), "fid"DFID" is insane!\n", PFID(fid));
4469 rc = osd_remote_fid(env, osd, fid);
4471 CERROR("%s: Can not find object "DFID" rc %d\n",
4472 osd_name(osd), PFID(fid), rc);
4477 /* Insert remote entry */
4478 if (strcmp(name, dotdot) == 0 && strlen(name) == 2) {
4479 struct osd_mdobj_map *omm = osd->od_mdt_map;
4480 struct osd_thandle *oh;
4482 /* If parent on remote MDT, we need put this object
4484 oh = container_of(th, typeof(*oh), ot_super);
4485 rc = osd_add_to_remote_parent(env, osd, obj, oh);
4487 CERROR("%s: add "DFID" error: rc = %d\n",
4489 PFID(lu_object_fid(&dt->do_lu)), rc);
4493 child_inode = igrab(omm->omm_remote_parent->d_inode);
4495 child_inode = osd_create_local_agent_inode(env, osd,
4496 obj, fid, rec1->rec_type & S_IFMT, th);
4497 if (IS_ERR(child_inode))
4498 RETURN(PTR_ERR(child_inode));
4501 /* Insert local entry */
4502 child = osd_object_find(env, dt, fid);
4503 if (IS_ERR(child)) {
4504 CERROR("%s: Can not find object "DFID"%u:%u: rc = %d\n",
4505 osd_name(osd), PFID(fid),
4506 id->oii_ino, id->oii_gen,
4507 (int)PTR_ERR(child));
4508 RETURN(PTR_ERR(child));
4510 child_inode = igrab(child->oo_inode);
4513 rc = osd_ea_add_rec(env, obj, child_inode, name, fid, th);
4515 CDEBUG(D_INODE, "parent %lu insert %s:%lu rc = %d\n",
4516 obj->oo_inode->i_ino, name, child_inode->i_ino, rc);
4520 osd_object_put(env, child);
4521 LASSERT(osd_invariant(obj));
4526 * Initialize osd Iterator for given osd index object.
4528 * \param dt osd index object
4531 static struct dt_it *osd_it_iam_init(const struct lu_env *env,
4532 struct dt_object *dt,
4534 struct lustre_capa *capa)
4536 struct osd_it_iam *it;
4537 struct osd_thread_info *oti = osd_oti_get(env);
4538 struct osd_object *obj = osd_dt_obj(dt);
4539 struct lu_object *lo = &dt->do_lu;
4540 struct iam_path_descr *ipd;
4541 struct iam_container *bag = &obj->oo_dir->od_container;
4543 LASSERT(lu_object_exists(lo));
4545 if (osd_object_auth(env, dt, capa, CAPA_OPC_BODY_READ))
4546 return ERR_PTR(-EACCES);
4549 ipd = osd_it_ipd_get(env, bag);
4550 if (likely(ipd != NULL)) {
4554 iam_it_init(&it->oi_it, bag, IAM_IT_MOVE, ipd);
4555 return (struct dt_it *)it;
4557 return ERR_PTR(-ENOMEM);
4561 * free given Iterator.
4564 static void osd_it_iam_fini(const struct lu_env *env, struct dt_it *di)
4566 struct osd_it_iam *it = (struct osd_it_iam *)di;
4567 struct osd_object *obj = it->oi_obj;
4569 iam_it_fini(&it->oi_it);
4570 osd_ipd_put(env, &obj->oo_dir->od_container, it->oi_ipd);
4571 lu_object_put(env, &obj->oo_dt.do_lu);
4575 * Move Iterator to record specified by \a key
4577 * \param di osd iterator
4578 * \param key key for index
4580 * \retval +ve di points to record with least key not larger than key
4581 * \retval 0 di points to exact matched key
4582 * \retval -ve failure
4585 static int osd_it_iam_get(const struct lu_env *env,
4586 struct dt_it *di, const struct dt_key *key)
4588 struct osd_thread_info *oti = osd_oti_get(env);
4589 struct osd_it_iam *it = (struct osd_it_iam *)di;
4591 if (fid_is_quota(lu_object_fid(&it->oi_obj->oo_dt.do_lu))) {
4592 /* swab quota uid/gid */
4593 oti->oti_quota_id = cpu_to_le64(*((__u64 *)key));
4594 key = (struct dt_key *)&oti->oti_quota_id;
4597 return iam_it_get(&it->oi_it, (const struct iam_key *)key);
4603 * \param di osd iterator
4605 static void osd_it_iam_put(const struct lu_env *env, struct dt_it *di)
4607 struct osd_it_iam *it = (struct osd_it_iam *)di;
4609 iam_it_put(&it->oi_it);
4613 * Move iterator by one record
4615 * \param di osd iterator
4617 * \retval +1 end of container reached
4619 * \retval -ve failure
4622 static int osd_it_iam_next(const struct lu_env *env, struct dt_it *di)
4624 struct osd_it_iam *it = (struct osd_it_iam *)di;
4626 return iam_it_next(&it->oi_it);
4630 * Return pointer to the key under iterator.
4633 static struct dt_key *osd_it_iam_key(const struct lu_env *env,
4634 const struct dt_it *di)
4636 struct osd_thread_info *oti = osd_oti_get(env);
4637 struct osd_it_iam *it = (struct osd_it_iam *)di;
4638 struct osd_object *obj = it->oi_obj;
4641 key = (struct dt_key *)iam_it_key_get(&it->oi_it);
4643 if (!IS_ERR(key) && fid_is_quota(lu_object_fid(&obj->oo_dt.do_lu))) {
4644 /* swab quota uid/gid */
4645 oti->oti_quota_id = le64_to_cpu(*((__u64 *)key));
4646 key = (struct dt_key *)&oti->oti_quota_id;
4653 * Return size of key under iterator (in bytes)
4656 static int osd_it_iam_key_size(const struct lu_env *env, const struct dt_it *di)
4658 struct osd_it_iam *it = (struct osd_it_iam *)di;
4660 return iam_it_key_size(&it->oi_it);
4664 osd_it_append_attrs(struct lu_dirent *ent, int len, __u16 type)
4666 /* check if file type is required */
4667 if (ent->lde_attrs & LUDA_TYPE) {
4668 struct luda_type *lt;
4669 int align = sizeof(*lt) - 1;
4671 len = (len + align) & ~align;
4672 lt = (struct luda_type *)(ent->lde_name + len);
4673 lt->lt_type = cpu_to_le16(DTTOIF(type));
4676 ent->lde_attrs = cpu_to_le32(ent->lde_attrs);
4680 * build lu direct from backend fs dirent.
4684 osd_it_pack_dirent(struct lu_dirent *ent, struct lu_fid *fid, __u64 offset,
4685 char *name, __u16 namelen, __u16 type, __u32 attr)
4687 ent->lde_attrs = attr | LUDA_FID;
4688 fid_cpu_to_le(&ent->lde_fid, fid);
4690 ent->lde_hash = cpu_to_le64(offset);
4691 ent->lde_reclen = cpu_to_le16(lu_dirent_calc_size(namelen, attr));
4693 strncpy(ent->lde_name, name, namelen);
4694 ent->lde_name[namelen] = '\0';
4695 ent->lde_namelen = cpu_to_le16(namelen);
4697 /* append lustre attributes */
4698 osd_it_append_attrs(ent, namelen, type);
4702 * Return pointer to the record under iterator.
4704 static int osd_it_iam_rec(const struct lu_env *env,
4705 const struct dt_it *di,
4706 struct dt_rec *dtrec, __u32 attr)
4708 struct osd_it_iam *it = (struct osd_it_iam *)di;
4709 struct osd_thread_info *info = osd_oti_get(env);
4712 if (S_ISDIR(it->oi_obj->oo_inode->i_mode)) {
4713 const struct osd_fid_pack *rec;
4714 struct lu_fid *fid = &info->oti_fid;
4715 struct lu_dirent *lde = (struct lu_dirent *)dtrec;
4721 name = (char *)iam_it_key_get(&it->oi_it);
4723 RETURN(PTR_ERR(name));
4725 namelen = iam_it_key_size(&it->oi_it);
4727 rec = (const struct osd_fid_pack *)iam_it_rec_get(&it->oi_it);
4729 RETURN(PTR_ERR(rec));
4731 rc = osd_fid_unpack(fid, rec);
4735 hash = iam_it_store(&it->oi_it);
4737 /* IAM does not store object type in IAM index (dir) */
4738 osd_it_pack_dirent(lde, fid, hash, name, namelen,
4740 } else if (fid_is_quota(lu_object_fid(&it->oi_obj->oo_dt.do_lu))) {
4741 iam_reccpy(&it->oi_it.ii_path.ip_leaf,
4742 (struct iam_rec *)dtrec);
4743 osd_quota_unpack(it->oi_obj, dtrec);
4745 iam_reccpy(&it->oi_it.ii_path.ip_leaf,
4746 (struct iam_rec *)dtrec);
4753 * Returns cookie for current Iterator position.
4755 static __u64 osd_it_iam_store(const struct lu_env *env, const struct dt_it *di)
4757 struct osd_it_iam *it = (struct osd_it_iam *)di;
4759 return iam_it_store(&it->oi_it);
4763 * Restore iterator from cookie.
4765 * \param di osd iterator
4766 * \param hash Iterator location cookie
4768 * \retval +ve di points to record with least key not larger than key.
4769 * \retval 0 di points to exact matched key
4770 * \retval -ve failure
4773 static int osd_it_iam_load(const struct lu_env *env,
4774 const struct dt_it *di, __u64 hash)
4776 struct osd_it_iam *it = (struct osd_it_iam *)di;
4778 return iam_it_load(&it->oi_it, hash);
4781 static const struct dt_index_operations osd_index_iam_ops = {
4782 .dio_lookup = osd_index_iam_lookup,
4783 .dio_declare_insert = osd_index_declare_iam_insert,
4784 .dio_insert = osd_index_iam_insert,
4785 .dio_declare_delete = osd_index_declare_iam_delete,
4786 .dio_delete = osd_index_iam_delete,
4788 .init = osd_it_iam_init,
4789 .fini = osd_it_iam_fini,
4790 .get = osd_it_iam_get,
4791 .put = osd_it_iam_put,
4792 .next = osd_it_iam_next,
4793 .key = osd_it_iam_key,
4794 .key_size = osd_it_iam_key_size,
4795 .rec = osd_it_iam_rec,
4796 .store = osd_it_iam_store,
4797 .load = osd_it_iam_load
4803 * Creates or initializes iterator context.
4805 * \retval struct osd_it_ea, iterator structure on success
4808 static struct dt_it *osd_it_ea_init(const struct lu_env *env,
4809 struct dt_object *dt,
4811 struct lustre_capa *capa)
4813 struct osd_object *obj = osd_dt_obj(dt);
4814 struct osd_thread_info *info = osd_oti_get(env);
4815 struct osd_it_ea *it = &info->oti_it_ea;
4816 struct file *file = &it->oie_file;
4817 struct lu_object *lo = &dt->do_lu;
4818 struct dentry *obj_dentry = &info->oti_it_dentry;
4820 LASSERT(lu_object_exists(lo));
4822 obj_dentry->d_inode = obj->oo_inode;
4823 obj_dentry->d_sb = osd_sb(osd_obj2dev(obj));
4824 obj_dentry->d_name.hash = 0;
4826 it->oie_rd_dirent = 0;
4827 it->oie_it_dirent = 0;
4828 it->oie_dirent = NULL;
4829 it->oie_buf = info->oti_it_ea_buf;
4832 /* Reset the "file" totally to avoid to reuse any old value from
4833 * former readdir handling, the "file->f_pos" should be zero. */
4834 memset(file, 0, sizeof(*file));
4835 /* Only FMODE_64BITHASH or FMODE_32BITHASH should be set, NOT both. */
4836 if (attr & LUDA_64BITHASH)
4837 file->f_mode = FMODE_64BITHASH;
4839 file->f_mode = FMODE_32BITHASH;
4840 file->f_dentry = obj_dentry;
4841 file->f_mapping = obj->oo_inode->i_mapping;
4842 file->f_op = obj->oo_inode->i_fop;
4843 set_file_inode(file, obj->oo_inode);
4846 RETURN((struct dt_it *) it);
4850 * Destroy or finishes iterator context.
4852 * \param di iterator structure to be destroyed
4854 static void osd_it_ea_fini(const struct lu_env *env, struct dt_it *di)
4856 struct osd_it_ea *it = (struct osd_it_ea *)di;
4857 struct osd_object *obj = it->oie_obj;
4858 struct inode *inode = obj->oo_inode;
4861 it->oie_file.f_op->release(inode, &it->oie_file);
4862 lu_object_put(env, &obj->oo_dt.do_lu);
4867 * It position the iterator at given key, so that next lookup continues from
4868 * that key Or it is similar to dio_it->load() but based on a key,
4869 * rather than file position.
4871 * As a special convention, osd_it_ea_get(env, di, "") has to rewind iterator
4874 * TODO: Presently return +1 considering it is only used by mdd_dir_is_empty().
4876 static int osd_it_ea_get(const struct lu_env *env,
4877 struct dt_it *di, const struct dt_key *key)
4879 struct osd_it_ea *it = (struct osd_it_ea *)di;
4882 LASSERT(((const char *)key)[0] == '\0');
4883 it->oie_file.f_pos = 0;
4884 it->oie_rd_dirent = 0;
4885 it->oie_it_dirent = 0;
4886 it->oie_dirent = NULL;
4894 static void osd_it_ea_put(const struct lu_env *env, struct dt_it *di)
4898 struct osd_filldir_cbs {
4899 #ifdef HAVE_DIR_CONTEXT
4900 struct dir_context ctx;
4902 struct osd_it_ea *it;
4905 * It is called internally by ->readdir(). It fills the
4906 * iterator's in-memory data structure with required
4907 * information i.e. name, namelen, rec_size etc.
4909 * \param buf in which information to be filled in.
4910 * \param name name of the file in given dir
4912 * \retval 0 on success
4913 * \retval 1 on buffer full
4915 static int osd_ldiskfs_filldir(void *buf, const char *name, int namelen,
4916 loff_t offset, __u64 ino,
4919 struct osd_it_ea *it = ((struct osd_filldir_cbs *)buf)->it;
4920 struct osd_object *obj = it->oie_obj;
4921 struct osd_it_ea_dirent *ent = it->oie_dirent;
4922 struct lu_fid *fid = &ent->oied_fid;
4923 struct osd_fid_pack *rec;
4926 /* this should never happen */
4927 if (unlikely(namelen == 0 || namelen > LDISKFS_NAME_LEN)) {
4928 CERROR("ldiskfs return invalid namelen %d\n", namelen);
4932 if ((void *) ent - it->oie_buf + sizeof(*ent) + namelen >
4936 /* "." is just the object itself. */
4937 if (namelen == 1 && name[0] == '.') {
4938 *fid = obj->oo_dt.do_lu.lo_header->loh_fid;
4939 } else if (d_type & LDISKFS_DIRENT_LUFID) {
4940 rec = (struct osd_fid_pack*) (name + namelen + 1);
4941 if (osd_fid_unpack(fid, rec) != 0)
4946 d_type &= ~LDISKFS_DIRENT_LUFID;
4948 /* NOT export local root. */
4949 if (unlikely(osd_sb(osd_obj2dev(obj))->s_root->d_inode->i_ino == ino)) {
4950 ino = obj->oo_inode->i_ino;
4951 *fid = obj->oo_dt.do_lu.lo_header->loh_fid;
4954 ent->oied_ino = ino;
4955 ent->oied_off = offset;
4956 ent->oied_namelen = namelen;
4957 ent->oied_type = d_type;
4959 memcpy(ent->oied_name, name, namelen);
4961 it->oie_rd_dirent++;
4962 it->oie_dirent = (void *) ent + cfs_size_round(sizeof(*ent) + namelen);
4967 * Calls ->readdir() to load a directory entry at a time
4968 * and stored it in iterator's in-memory data structure.
4970 * \param di iterator's in memory structure
4972 * \retval 0 on success
4973 * \retval -ve on error
4974 * \retval +1 reach the end of entry
4976 static int osd_ldiskfs_it_fill(const struct lu_env *env,
4977 const struct dt_it *di)
4979 struct osd_it_ea *it = (struct osd_it_ea *)di;
4980 struct osd_object *obj = it->oie_obj;
4981 struct inode *inode = obj->oo_inode;
4982 struct htree_lock *hlock = NULL;
4983 struct file *filp = &it->oie_file;
4985 struct osd_filldir_cbs buf = {
4986 #ifdef HAVE_DIR_CONTEXT
4987 .ctx.actor = osd_ldiskfs_filldir,
4993 it->oie_dirent = it->oie_buf;
4994 it->oie_rd_dirent = 0;
4996 if (obj->oo_hl_head != NULL) {
4997 hlock = osd_oti_get(env)->oti_hlock;
4998 ldiskfs_htree_lock(hlock, obj->oo_hl_head,
4999 inode, LDISKFS_HLOCK_READDIR);
5001 down_read(&obj->oo_ext_idx_sem);
5004 #ifdef HAVE_DIR_CONTEXT
5005 buf.ctx.pos = filp->f_pos;
5006 rc = inode->i_fop->iterate(filp, &buf.ctx);
5007 filp->f_pos = buf.ctx.pos;
5009 rc = inode->i_fop->readdir(filp, &buf, osd_ldiskfs_filldir);
5013 ldiskfs_htree_unlock(hlock);
5015 up_read(&obj->oo_ext_idx_sem);
5017 if (it->oie_rd_dirent == 0) {
5018 /*If it does not get any dirent, it means it has been reached
5019 *to the end of the dir */
5020 it->oie_file.f_pos = ldiskfs_get_htree_eof(&it->oie_file);
5024 it->oie_dirent = it->oie_buf;
5025 it->oie_it_dirent = 1;
5032 * It calls osd_ldiskfs_it_fill() which will use ->readdir()
5033 * to load a directory entry at a time and stored it in
5034 * iterator's in-memory data structure.
5036 * \param di iterator's in memory structure
5038 * \retval +ve iterator reached to end
5039 * \retval 0 iterator not reached to end
5040 * \retval -ve on error
5042 static int osd_it_ea_next(const struct lu_env *env, struct dt_it *di)
5044 struct osd_it_ea *it = (struct osd_it_ea *)di;
5049 if (it->oie_it_dirent < it->oie_rd_dirent) {
5051 (void *) it->oie_dirent +
5052 cfs_size_round(sizeof(struct osd_it_ea_dirent) +
5053 it->oie_dirent->oied_namelen);
5054 it->oie_it_dirent++;
5057 if (it->oie_file.f_pos == ldiskfs_get_htree_eof(&it->oie_file))
5060 rc = osd_ldiskfs_it_fill(env, di);
5067 * Returns the key at current position from iterator's in memory structure.
5069 * \param di iterator's in memory structure
5071 * \retval key i.e. struct dt_key on success
5073 static struct dt_key *osd_it_ea_key(const struct lu_env *env,
5074 const struct dt_it *di)
5076 struct osd_it_ea *it = (struct osd_it_ea *)di;
5078 return (struct dt_key *)it->oie_dirent->oied_name;
5082 * Returns the key's size at current position from iterator's in memory structure.
5084 * \param di iterator's in memory structure
5086 * \retval key_size i.e. struct dt_key on success
5088 static int osd_it_ea_key_size(const struct lu_env *env, const struct dt_it *di)
5090 struct osd_it_ea *it = (struct osd_it_ea *)di;
5092 return it->oie_dirent->oied_namelen;
5096 osd_dirent_update(handle_t *jh, struct super_block *sb,
5097 struct osd_it_ea_dirent *ent, struct lu_fid *fid,
5098 struct buffer_head *bh, struct ldiskfs_dir_entry_2 *de)
5100 struct osd_fid_pack *rec;
5104 LASSERT(de->file_type & LDISKFS_DIRENT_LUFID);
5105 LASSERT(de->rec_len >= de->name_len + sizeof(struct osd_fid_pack));
5107 rc = ldiskfs_journal_get_write_access(jh, bh);
5111 rec = (struct osd_fid_pack *)(de->name + de->name_len + 1);
5112 fid_cpu_to_be((struct lu_fid *)rec->fp_area, fid);
5113 rc = ldiskfs_journal_dirty_metadata(jh, bh);
5119 osd_dirent_has_space(__u16 reclen, __u16 namelen, unsigned blocksize)
5121 if (ldiskfs_rec_len_from_disk(reclen, blocksize) >=
5122 __LDISKFS_DIR_REC_LEN(namelen + 1 + sizeof(struct osd_fid_pack)))
5129 osd_dot_dotdot_has_space(struct ldiskfs_dir_entry_2 *de, int dot_dotdot)
5131 LASSERTF(dot_dotdot == 1 || dot_dotdot == 2,
5132 "dot_dotdot = %d\n", dot_dotdot);
5134 if (LDISKFS_DIR_REC_LEN(de) >=
5135 __LDISKFS_DIR_REC_LEN(dot_dotdot + 1 + sizeof(struct osd_fid_pack)))
5142 osd_dirent_reinsert(const struct lu_env *env, handle_t *jh,
5143 struct inode *dir, struct inode *inode,
5144 struct osd_it_ea_dirent *ent, struct lu_fid *fid,
5145 struct buffer_head *bh, struct ldiskfs_dir_entry_2 *de,
5146 struct htree_lock *hlock)
5148 struct dentry *dentry;
5149 struct osd_fid_pack *rec;
5150 struct ldiskfs_dentry_param *ldp;
5154 if (!LDISKFS_HAS_INCOMPAT_FEATURE(inode->i_sb,
5155 LDISKFS_FEATURE_INCOMPAT_DIRDATA))
5158 /* There is enough space to hold the FID-in-dirent. */
5159 if (osd_dirent_has_space(de->rec_len, ent->oied_namelen,
5160 dir->i_sb->s_blocksize)) {
5161 rc = ldiskfs_journal_get_write_access(jh, bh);
5165 de->name[de->name_len] = 0;
5166 rec = (struct osd_fid_pack *)(de->name + de->name_len + 1);
5167 rec->fp_len = sizeof(struct lu_fid) + 1;
5168 fid_cpu_to_be((struct lu_fid *)rec->fp_area, fid);
5169 de->file_type |= LDISKFS_DIRENT_LUFID;
5171 rc = ldiskfs_journal_dirty_metadata(jh, bh);
5176 rc = ldiskfs_delete_entry(jh, dir, de, bh);
5180 dentry = osd_child_dentry_by_inode(env, dir, ent->oied_name,
5182 ldp = (struct ldiskfs_dentry_param *)osd_oti_get(env)->oti_ldp;
5183 osd_get_ldiskfs_dirent_param(ldp, fid);
5184 dentry->d_fsdata = (void *)ldp;
5185 ll_vfs_dq_init(dir);
5186 rc = osd_ldiskfs_add_entry(jh, dentry, inode, hlock);
5187 /* It is too bad, we cannot reinsert the name entry back.
5188 * That means we lose it! */
5190 CDEBUG(D_LFSCK, "%.16s: fail to reinsert the dirent, "
5191 "dir = %lu/%u, name = %.*s, "DFID": rc = %d\n",
5192 LDISKFS_SB(inode->i_sb)->s_es->s_volume_name,
5193 dir->i_ino, dir->i_generation,
5194 ent->oied_namelen, ent->oied_name, PFID(fid), rc);
5200 osd_dirent_check_repair(const struct lu_env *env, struct osd_object *obj,
5201 struct osd_it_ea *it, struct lu_fid *fid,
5202 struct osd_inode_id *id, __u32 *attr)
5204 struct osd_thread_info *info = osd_oti_get(env);
5205 struct lustre_mdt_attrs *lma = &info->oti_mdt_attrs;
5206 struct osd_device *dev = osd_obj2dev(obj);
5207 struct super_block *sb = osd_sb(dev);
5208 const char *devname =
5209 LDISKFS_SB(sb)->s_es->s_volume_name;
5210 struct osd_it_ea_dirent *ent = it->oie_dirent;
5211 struct inode *dir = obj->oo_inode;
5212 struct htree_lock *hlock = NULL;
5213 struct buffer_head *bh = NULL;
5214 handle_t *jh = NULL;
5215 struct ldiskfs_dir_entry_2 *de;
5216 struct dentry *dentry;
5217 struct inode *inode;
5224 if (ent->oied_name[0] == '.') {
5225 if (ent->oied_namelen == 1)
5227 else if (ent->oied_namelen == 2 && ent->oied_name[1] == '.')
5231 dentry = osd_child_dentry_get(env, obj, ent->oied_name,
5234 /* We need to ensure that the name entry is still valid.
5235 * Because it may be removed or renamed by other already.
5237 * The unlink or rename operation will start journal before PDO lock,
5238 * so to avoid deadlock, here we need to start journal handle before
5239 * related PDO lock also. But because we do not know whether there
5240 * will be something to be repaired before PDO lock, we just start
5241 * journal without conditions.
5243 * We may need to remove the name entry firstly, then insert back.
5244 * One credit is for user quota file update.
5245 * One credit is for group quota file update.
5246 * Two credits are for dirty inode. */
5247 credits = osd_dto_credits_noquota[DTO_INDEX_DELETE] +
5248 osd_dto_credits_noquota[DTO_INDEX_INSERT] + 1 + 1 + 2;
5251 if (dev->od_dirent_journal) {
5252 jh = osd_journal_start_sb(sb, LDISKFS_HT_MISC, credits);
5255 CDEBUG(D_LFSCK, "%.16s: fail to start trans for dirent "
5256 "check_repair, dir = %lu/%u, credits = %d, "
5257 "name = %.*s: rc = %d\n",
5258 devname, dir->i_ino, dir->i_generation, credits,
5259 ent->oied_namelen, ent->oied_name, rc);
5263 if (obj->oo_hl_head != NULL) {
5264 hlock = osd_oti_get(env)->oti_hlock;
5265 /* "0" means exclusive lock for the whole directory.
5266 * We need to prevent others access such name entry
5267 * during the delete + insert. Neither HLOCK_ADD nor
5268 * HLOCK_DEL cannot guarantee the atomicity. */
5269 ldiskfs_htree_lock(hlock, obj->oo_hl_head, dir, 0);
5271 down_write(&obj->oo_ext_idx_sem);
5274 if (obj->oo_hl_head != NULL) {
5275 hlock = osd_oti_get(env)->oti_hlock;
5276 ldiskfs_htree_lock(hlock, obj->oo_hl_head, dir,
5277 LDISKFS_HLOCK_LOOKUP);
5279 down_read(&obj->oo_ext_idx_sem);
5283 bh = osd_ldiskfs_find_entry(dir, &dentry->d_name, &de, NULL, hlock);
5284 /* For dot/dotdot entry, if there is not enough space to hold the
5285 * FID-in-dirent, just keep them there. It only happens when the
5286 * device upgraded from 1.8 or restored from MDT file-level backup.
5287 * For the whole directory, only dot/dotdot entry have no FID-in-dirent
5288 * and needs to get FID from LMA when readdir, it will not affect the
5289 * performance much. */
5290 if ((bh == NULL) || (le32_to_cpu(de->inode) != ent->oied_ino) ||
5291 (dot_dotdot != 0 && !osd_dot_dotdot_has_space(de, dot_dotdot))) {
5292 *attr |= LUDA_IGNORE;
5293 GOTO(out_journal, rc = 0);
5296 osd_id_gen(id, ent->oied_ino, OSD_OII_NOGEN);
5297 inode = osd_iget(info, dev, id);
5298 if (IS_ERR(inode)) {
5299 rc = PTR_ERR(inode);
5300 if (rc == -ENOENT || rc == -ESTALE) {
5301 *attr |= LUDA_IGNORE;
5304 CDEBUG(D_LFSCK, "%.16s: fail to iget for dirent "
5305 "check_repair, dir = %lu/%u, name = %.*s: "
5307 devname, dir->i_ino, dir->i_generation,
5308 ent->oied_namelen, ent->oied_name, rc);
5311 GOTO(out_journal, rc);
5314 rc = osd_get_lma(info, inode, &info->oti_obj_dentry, lma);
5316 LASSERT(!(lma->lma_compat & LMAC_NOT_IN_OI));
5318 if (fid_is_sane(fid)) {
5319 /* FID-in-dirent is valid. */
5320 if (lu_fid_eq(fid, &lma->lma_self_fid))
5321 GOTO(out_inode, rc = 0);
5323 /* Do not repair under dryrun mode. */
5324 if (*attr & LUDA_VERIFY_DRYRUN) {
5325 *attr |= LUDA_REPAIR;
5326 GOTO(out_inode, rc = 0);
5329 if (!dev->od_dirent_journal) {
5333 ldiskfs_htree_unlock(hlock);
5335 up_read(&obj->oo_ext_idx_sem);
5336 dev->od_dirent_journal = 1;
5340 *fid = lma->lma_self_fid;
5342 /* Update the FID-in-dirent. */
5343 rc = osd_dirent_update(jh, sb, ent, fid, bh, de);
5345 *attr |= LUDA_REPAIR;
5347 CDEBUG(D_LFSCK, "%.16s: fail to update FID "
5348 "in the dirent, dir = %lu/%u, "
5349 "name = %.*s, "DFID": rc = %d\n",
5350 devname, dir->i_ino, dir->i_generation,
5351 ent->oied_namelen, ent->oied_name,
5354 /* Do not repair under dryrun mode. */
5355 if (*attr & LUDA_VERIFY_DRYRUN) {
5356 *fid = lma->lma_self_fid;
5357 *attr |= LUDA_REPAIR;
5358 GOTO(out_inode, rc = 0);
5361 if (!dev->od_dirent_journal) {
5365 ldiskfs_htree_unlock(hlock);
5367 up_read(&obj->oo_ext_idx_sem);
5368 dev->od_dirent_journal = 1;
5372 *fid = lma->lma_self_fid;
5374 /* Append the FID-in-dirent. */
5375 rc = osd_dirent_reinsert(env, jh, dir, inode, ent,
5376 fid, bh, de, hlock);
5378 *attr |= LUDA_REPAIR;
5380 CDEBUG(D_LFSCK, "%.16s: fail to append FID "
5381 "after the dirent, dir = %lu/%u, "
5382 "name = %.*s, "DFID": rc = %d\n",
5383 devname, dir->i_ino, dir->i_generation,
5384 ent->oied_namelen, ent->oied_name,
5387 } else if (rc == -ENODATA) {
5388 /* Do not repair under dryrun mode. */
5389 if (*attr & LUDA_VERIFY_DRYRUN) {
5390 if (fid_is_sane(fid)) {
5391 *attr |= LUDA_REPAIR;
5393 lu_igif_build(fid, inode->i_ino,
5394 inode->i_generation);
5395 *attr |= LUDA_UPGRADE;
5397 GOTO(out_inode, rc = 0);
5400 if (!dev->od_dirent_journal) {
5404 ldiskfs_htree_unlock(hlock);
5406 up_read(&obj->oo_ext_idx_sem);
5407 dev->od_dirent_journal = 1;
5412 if (unlikely(fid_is_sane(fid))) {
5413 /* FID-in-dirent exists, but FID-in-LMA is lost.
5414 * Trust the FID-in-dirent, and add FID-in-LMA. */
5415 rc = osd_ea_fid_set(info, inode, fid, 0, 0);
5417 *attr |= LUDA_REPAIR;
5419 CDEBUG(D_LFSCK, "%.16s: fail to set LMA for "
5420 "update dirent, dir = %lu/%u, "
5421 "name = %.*s, "DFID": rc = %d\n",
5422 devname, dir->i_ino, dir->i_generation,
5423 ent->oied_namelen, ent->oied_name,
5426 lu_igif_build(fid, inode->i_ino, inode->i_generation);
5427 /* It is probably IGIF object. Only aappend the
5428 * FID-in-dirent. OI scrub will process FID-in-LMA. */
5429 rc = osd_dirent_reinsert(env, jh, dir, inode, ent,
5430 fid, bh, de, hlock);
5432 *attr |= LUDA_UPGRADE;
5434 CDEBUG(D_LFSCK, "%.16s: fail to append IGIF "
5435 "after the dirent, dir = %lu/%u, "
5436 "name = %.*s, "DFID": rc = %d\n",
5437 devname, dir->i_ino, dir->i_generation,
5438 ent->oied_namelen, ent->oied_name,
5443 GOTO(out_inode, rc);
5450 if (hlock != NULL) {
5451 ldiskfs_htree_unlock(hlock);
5453 if (dev->od_dirent_journal)
5454 up_write(&obj->oo_ext_idx_sem);
5456 up_read(&obj->oo_ext_idx_sem);
5459 ldiskfs_journal_stop(jh);
5460 if (rc >= 0 && !dirty)
5461 dev->od_dirent_journal = 0;
5466 * Returns the value at current position from iterator's in memory structure.
5468 * \param di struct osd_it_ea, iterator's in memory structure
5469 * \param attr attr requested for dirent.
5470 * \param lde lustre dirent
5472 * \retval 0 no error and \param lde has correct lustre dirent.
5473 * \retval -ve on error
5475 static inline int osd_it_ea_rec(const struct lu_env *env,
5476 const struct dt_it *di,
5477 struct dt_rec *dtrec, __u32 attr)
5479 struct osd_it_ea *it = (struct osd_it_ea *)di;
5480 struct osd_object *obj = it->oie_obj;
5481 struct osd_device *dev = osd_obj2dev(obj);
5482 struct osd_scrub *scrub = &dev->od_scrub;
5483 struct scrub_file *sf = &scrub->os_file;
5484 struct osd_thread_info *oti = osd_oti_get(env);
5485 struct osd_inode_id *id = &oti->oti_id;
5486 struct osd_idmap_cache *oic = &oti->oti_cache;
5487 struct lu_fid *fid = &it->oie_dirent->oied_fid;
5488 struct lu_dirent *lde = (struct lu_dirent *)dtrec;
5489 __u32 ino = it->oie_dirent->oied_ino;
5493 LASSERT(obj->oo_inode != dev->od_mdt_map->omm_remote_parent->d_inode);
5495 if (attr & LUDA_VERIFY) {
5496 if (unlikely(ino == osd_remote_parent_ino(dev))) {
5497 attr |= LUDA_IGNORE;
5498 /* If the parent is on remote MDT, and there
5499 * is no FID-in-dirent, then we have to get
5500 * the parent FID from the linkEA. */
5501 osd_get_pfid_from_linkea(env, obj, fid);
5503 rc = osd_dirent_check_repair(env, obj, it, fid, id,
5507 attr &= ~LU_DIRENT_ATTRS_MASK;
5508 if (!fid_is_sane(fid)) {
5509 if (OBD_FAIL_CHECK(OBD_FAIL_FID_LOOKUP) &&
5510 likely(it->oie_dirent->oied_namelen != 2 ||
5511 it->oie_dirent->oied_name[0] != '.' ||
5512 it->oie_dirent->oied_name[1] != '.'))
5515 if (unlikely(ino == osd_remote_parent_ino(dev)))
5516 /* If the parent is on remote MDT, and there
5517 * is no FID-in-dirent, then we have to get
5518 * the parent FID from the linkEA. */
5519 rc = osd_get_pfid_from_linkea(env, obj, fid);
5521 rc = osd_ea_fid_get(env, obj, ino, fid, id);
5523 osd_id_gen(id, ino, OSD_OII_NOGEN);
5527 /* Pack the entry anyway, at least the offset is right. */
5528 osd_it_pack_dirent(lde, fid, it->oie_dirent->oied_off,
5529 it->oie_dirent->oied_name,
5530 it->oie_dirent->oied_namelen,
5531 it->oie_dirent->oied_type, attr);
5536 if (osd_remote_fid(env, dev, fid))
5539 if (likely(!(attr & LUDA_IGNORE)))
5540 rc = osd_add_oi_cache(oti, dev, id, fid);
5542 if (!(attr & LUDA_VERIFY) &&
5543 (scrub->os_pos_current <= ino) &&
5544 ((sf->sf_flags & SF_INCONSISTENT) ||
5545 (sf->sf_flags & SF_UPGRADE && fid_is_igif(fid)) ||
5546 ldiskfs_test_bit(osd_oi_fid2idx(dev, fid), sf->sf_oi_bitmap)))
5547 osd_consistency_check(oti, dev, oic);
5553 * Returns the record size size at current position.
5555 * This function will return record(lu_dirent) size in bytes.
5557 * \param[in] env execution environment
5558 * \param[in] di iterator's in memory structure
5559 * \param[in] attr attribute of the entry, only requires LUDA_TYPE to
5560 * calculate the lu_dirent size.
5562 * \retval record size(in bytes & in memory) of the current lu_dirent
5565 static int osd_it_ea_rec_size(const struct lu_env *env, const struct dt_it *di,
5568 struct osd_it_ea *it = (struct osd_it_ea *)di;
5570 return lu_dirent_calc_size(it->oie_dirent->oied_namelen, attr);
5574 * Returns a cookie for current position of the iterator head, so that
5575 * user can use this cookie to load/start the iterator next time.
5577 * \param di iterator's in memory structure
5579 * \retval cookie for current position, on success
5581 static __u64 osd_it_ea_store(const struct lu_env *env, const struct dt_it *di)
5583 struct osd_it_ea *it = (struct osd_it_ea *)di;
5585 return it->oie_dirent->oied_off;
5589 * It calls osd_ldiskfs_it_fill() which will use ->readdir()
5590 * to load a directory entry at a time and stored it i inn,
5591 * in iterator's in-memory data structure.
5593 * \param di struct osd_it_ea, iterator's in memory structure
5595 * \retval +ve on success
5596 * \retval -ve on error
5598 static int osd_it_ea_load(const struct lu_env *env,
5599 const struct dt_it *di, __u64 hash)
5601 struct osd_it_ea *it = (struct osd_it_ea *)di;
5605 it->oie_file.f_pos = hash;
5607 rc = osd_ldiskfs_it_fill(env, di);
5618 * Index lookup function for interoperability mode (b11826).
5620 * \param key, key i.e. file name to be searched
5622 * \retval +ve, on success
5623 * \retval -ve, on error
5625 static int osd_index_ea_lookup(const struct lu_env *env, struct dt_object *dt,
5626 struct dt_rec *rec, const struct dt_key *key,
5627 struct lustre_capa *capa)
5629 struct osd_object *obj = osd_dt_obj(dt);
5634 LASSERT(S_ISDIR(obj->oo_inode->i_mode));
5635 LINVRNT(osd_invariant(obj));
5637 if (osd_object_auth(env, dt, capa, CAPA_OPC_INDEX_LOOKUP))
5640 rc = osd_ea_lookup_rec(env, obj, rec, key);
5647 * Index and Iterator operations for interoperability
5648 * mode (i.e. to run 2.0 mds on 1.8 disk) (b11826)
5650 static const struct dt_index_operations osd_index_ea_ops = {
5651 .dio_lookup = osd_index_ea_lookup,
5652 .dio_declare_insert = osd_index_declare_ea_insert,
5653 .dio_insert = osd_index_ea_insert,
5654 .dio_declare_delete = osd_index_declare_ea_delete,
5655 .dio_delete = osd_index_ea_delete,
5657 .init = osd_it_ea_init,
5658 .fini = osd_it_ea_fini,
5659 .get = osd_it_ea_get,
5660 .put = osd_it_ea_put,
5661 .next = osd_it_ea_next,
5662 .key = osd_it_ea_key,
5663 .key_size = osd_it_ea_key_size,
5664 .rec = osd_it_ea_rec,
5665 .rec_size = osd_it_ea_rec_size,
5666 .store = osd_it_ea_store,
5667 .load = osd_it_ea_load
5671 static void *osd_key_init(const struct lu_context *ctx,
5672 struct lu_context_key *key)
5674 struct osd_thread_info *info;
5676 OBD_ALLOC_PTR(info);
5678 return ERR_PTR(-ENOMEM);
5680 OBD_ALLOC(info->oti_it_ea_buf, OSD_IT_EA_BUFSIZE);
5681 if (info->oti_it_ea_buf == NULL)
5684 info->oti_env = container_of(ctx, struct lu_env, le_ctx);
5686 info->oti_hlock = ldiskfs_htree_lock_alloc();
5687 if (info->oti_hlock == NULL)
5693 OBD_FREE(info->oti_it_ea_buf, OSD_IT_EA_BUFSIZE);
5696 return ERR_PTR(-ENOMEM);
5699 static void osd_key_fini(const struct lu_context *ctx,
5700 struct lu_context_key *key, void* data)
5702 struct osd_thread_info *info = data;
5704 if (info->oti_hlock != NULL)
5705 ldiskfs_htree_lock_free(info->oti_hlock);
5706 OBD_FREE(info->oti_it_ea_buf, OSD_IT_EA_BUFSIZE);
5707 lu_buf_free(&info->oti_iobuf.dr_pg_buf);
5708 lu_buf_free(&info->oti_iobuf.dr_bl_buf);
5709 lu_buf_free(&info->oti_big_buf);
5713 static void osd_key_exit(const struct lu_context *ctx,
5714 struct lu_context_key *key, void *data)
5716 struct osd_thread_info *info = data;
5718 LASSERT(info->oti_r_locks == 0);
5719 LASSERT(info->oti_w_locks == 0);
5720 LASSERT(info->oti_txns == 0);
5723 /* type constructor/destructor: osd_type_init, osd_type_fini */
5724 LU_TYPE_INIT_FINI(osd, &osd_key);
5726 struct lu_context_key osd_key = {
5727 .lct_tags = LCT_DT_THREAD | LCT_MD_THREAD | LCT_MG_THREAD | LCT_LOCAL,
5728 .lct_init = osd_key_init,
5729 .lct_fini = osd_key_fini,
5730 .lct_exit = osd_key_exit
5734 static int osd_device_init(const struct lu_env *env, struct lu_device *d,
5735 const char *name, struct lu_device *next)
5737 struct osd_device *osd = osd_dev(d);
5739 if (strlcpy(osd->od_svname, name, sizeof(osd->od_svname))
5740 >= sizeof(osd->od_svname))
5742 return osd_procfs_init(osd, name);
5745 static int osd_fid_init(const struct lu_env *env, struct osd_device *osd)
5747 struct seq_server_site *ss = osd_seq_site(osd);
5751 if (osd->od_is_ost || osd->od_cl_seq != NULL)
5754 if (unlikely(ss == NULL))
5757 OBD_ALLOC_PTR(osd->od_cl_seq);
5758 if (osd->od_cl_seq == NULL)
5761 rc = seq_client_init(osd->od_cl_seq, NULL, LUSTRE_SEQ_METADATA,
5762 osd->od_svname, ss->ss_server_seq);
5765 OBD_FREE_PTR(osd->od_cl_seq);
5766 osd->od_cl_seq = NULL;
5772 static void osd_fid_fini(const struct lu_env *env, struct osd_device *osd)
5774 if (osd->od_cl_seq == NULL)
5777 seq_client_fini(osd->od_cl_seq);
5778 OBD_FREE_PTR(osd->od_cl_seq);
5779 osd->od_cl_seq = NULL;
5782 static int osd_shutdown(const struct lu_env *env, struct osd_device *o)
5786 /* shutdown quota slave instance associated with the device */
5787 if (o->od_quota_slave != NULL) {
5788 qsd_fini(env, o->od_quota_slave);
5789 o->od_quota_slave = NULL;
5792 osd_fid_fini(env, o);
5797 static void osd_umount(const struct lu_env *env, struct osd_device *o)
5801 if (o->od_mnt != NULL) {
5802 shrink_dcache_sb(osd_sb(o));
5803 osd_sync(env, &o->od_dt_dev);
5812 static int osd_mount(const struct lu_env *env,
5813 struct osd_device *o, struct lustre_cfg *cfg)
5815 const char *name = lustre_cfg_string(cfg, 0);
5816 const char *dev = lustre_cfg_string(cfg, 1);
5818 unsigned long page, s_flags, lmd_flags = 0;
5819 struct page *__page;
5820 struct file_system_type *type;
5821 char *options = NULL;
5823 struct osd_thread_info *info = osd_oti_get(env);
5824 struct lu_fid *fid = &info->oti_fid;
5825 struct inode *inode;
5829 if (o->od_mnt != NULL)
5832 if (strlen(dev) >= sizeof(o->od_mntdev))
5834 strcpy(o->od_mntdev, dev);
5836 OBD_PAGE_ALLOC(__page, GFP_IOFS);
5838 GOTO(out, rc = -ENOMEM);
5840 str = lustre_cfg_string(cfg, 2);
5841 s_flags = simple_strtoul(str, NULL, 0);
5842 str = strstr(str, ":");
5844 lmd_flags = simple_strtoul(str + 1, NULL, 0);
5845 opts = lustre_cfg_string(cfg, 3);
5846 page = (unsigned long)page_address(__page);
5847 options = (char *)page;
5850 strcat(options, "user_xattr,acl");
5852 strcat(options, opts);
5854 /* Glom up mount options */
5855 if (*options != '\0')
5856 strcat(options, ",");
5857 strlcat(options, "no_mbcache", PAGE_CACHE_SIZE);
5859 type = get_fs_type("ldiskfs");
5861 CERROR("%s: cannot find ldiskfs module\n", name);
5862 GOTO(out, rc = -ENODEV);
5865 o->od_mnt = vfs_kern_mount(type, s_flags, dev, options);
5866 module_put(type->owner);
5868 if (IS_ERR(o->od_mnt)) {
5869 rc = PTR_ERR(o->od_mnt);
5871 CERROR("%s: can't mount %s: %d\n", name, dev, rc);
5875 #ifdef HAVE_DEV_SET_RDONLY
5876 if (dev_check_rdonly(o->od_mnt->mnt_sb->s_bdev)) {
5877 CERROR("%s: underlying device %s is marked as read-only. "
5878 "Setup failed\n", name, dev);
5879 GOTO(out_mnt, rc = -EROFS);
5883 if (!LDISKFS_HAS_COMPAT_FEATURE(o->od_mnt->mnt_sb,
5884 LDISKFS_FEATURE_COMPAT_HAS_JOURNAL)) {
5885 CERROR("%s: device %s is mounted w/o journal\n", name, dev);
5886 GOTO(out_mnt, rc = -EINVAL);
5889 #ifdef LDISKFS_MOUNT_DIRDATA
5890 if (LDISKFS_HAS_INCOMPAT_FEATURE(o->od_mnt->mnt_sb,
5891 LDISKFS_FEATURE_INCOMPAT_DIRDATA))
5892 LDISKFS_SB(osd_sb(o))->s_mount_opt |= LDISKFS_MOUNT_DIRDATA;
5893 else if (!o->od_is_ost)
5894 CWARN("%s: device %s was upgraded from Lustre-1.x without "
5895 "enabling the dirdata feature. If you do not want to "
5896 "downgrade to Lustre-1.x again, you can enable it via "
5897 "'tune2fs -O dirdata device'\n", name, dev);
5899 inode = osd_sb(o)->s_root->d_inode;
5900 lu_local_obj_fid(fid, OSD_FS_ROOT_OID);
5901 rc = osd_ea_fid_set(info, inode, fid, LMAC_NOT_IN_OI, 0);
5903 CERROR("%s: failed to set lma on %s root inode\n", name, dev);
5907 if (lmd_flags & LMD_FLG_NOSCRUB)
5918 OBD_PAGE_FREE(__page);
5923 static struct lu_device *osd_device_fini(const struct lu_env *env,
5924 struct lu_device *d)
5926 struct osd_device *o = osd_dev(d);
5929 osd_shutdown(env, o);
5931 osd_scrub_cleanup(env, o);
5932 osd_obj_map_fini(o);
5938 static int osd_device_init0(const struct lu_env *env,
5939 struct osd_device *o,
5940 struct lustre_cfg *cfg)
5942 struct lu_device *l = osd2lu_dev(o);
5943 struct osd_thread_info *info;
5947 /* if the module was re-loaded, env can loose its keys */
5948 rc = lu_env_refill((struct lu_env *) env);
5951 info = osd_oti_get(env);
5954 l->ld_ops = &osd_lu_ops;
5955 o->od_dt_dev.dd_ops = &osd_dt_ops;
5957 spin_lock_init(&o->od_osfs_lock);
5958 mutex_init(&o->od_otable_mutex);
5960 o->od_capa_hash = init_capa_hash();
5961 if (o->od_capa_hash == NULL)
5962 GOTO(out, rc = -ENOMEM);
5964 o->od_read_cache = 1;
5965 o->od_writethrough_cache = 1;
5966 o->od_readcache_max_filesize = OSD_MAX_CACHE_SIZE;
5968 cplen = strlcpy(o->od_svname, lustre_cfg_string(cfg, 4),
5969 sizeof(o->od_svname));
5970 if (cplen >= sizeof(o->od_svname)) {
5975 if (server_name_is_ost(o->od_svname))
5978 rc = osd_mount(env, o, cfg);
5982 rc = osd_obj_map_init(env, o);
5986 rc = lu_site_init(&o->od_site, l);
5988 GOTO(out_compat, rc);
5989 o->od_site.ls_bottom_dev = l;
5991 rc = lu_site_init_finish(&o->od_site);
5995 /* self-repair LMA by default */
5996 o->od_lma_self_repair = 1;
5998 INIT_LIST_HEAD(&o->od_ios_list);
5999 /* setup scrub, including OI files initialization */
6000 rc = osd_scrub_setup(env, o);
6004 rc = osd_procfs_init(o, o->od_svname);
6006 CERROR("%s: can't initialize procfs: rc = %d\n",
6008 GOTO(out_scrub, rc);
6011 LASSERT(l->ld_site->ls_linkage.next && l->ld_site->ls_linkage.prev);
6013 /* initialize quota slave instance */
6014 o->od_quota_slave = qsd_init(env, o->od_svname, &o->od_dt_dev,
6016 if (IS_ERR(o->od_quota_slave)) {
6017 rc = PTR_ERR(o->od_quota_slave);
6018 o->od_quota_slave = NULL;
6019 GOTO(out_procfs, rc);
6027 osd_scrub_cleanup(env, o);
6029 lu_site_fini(&o->od_site);
6031 osd_obj_map_fini(o);
6035 cleanup_capa_hash(o->od_capa_hash);
6040 static struct lu_device *osd_device_alloc(const struct lu_env *env,
6041 struct lu_device_type *t,
6042 struct lustre_cfg *cfg)
6044 struct osd_device *o;
6049 return ERR_PTR(-ENOMEM);
6051 rc = dt_device_init(&o->od_dt_dev, t);
6053 /* Because the ctx might be revived in dt_device_init,
6054 * refill the env here */
6055 lu_env_refill((struct lu_env *)env);
6056 rc = osd_device_init0(env, o, cfg);
6058 dt_device_fini(&o->od_dt_dev);
6061 if (unlikely(rc != 0))
6064 return rc == 0 ? osd2lu_dev(o) : ERR_PTR(rc);
6067 static struct lu_device *osd_device_free(const struct lu_env *env,
6068 struct lu_device *d)
6070 struct osd_device *o = osd_dev(d);
6073 cleanup_capa_hash(o->od_capa_hash);
6074 /* XXX: make osd top device in order to release reference */
6075 d->ld_site->ls_top_dev = d;
6076 lu_site_purge(env, d->ld_site, -1);
6077 if (!cfs_hash_is_empty(d->ld_site->ls_obj_hash)) {
6078 LIBCFS_DEBUG_MSG_DATA_DECL(msgdata, D_ERROR, NULL);
6079 lu_site_print(env, d->ld_site, &msgdata, lu_cdebug_printer);
6081 lu_site_fini(&o->od_site);
6082 dt_device_fini(&o->od_dt_dev);
6087 static int osd_process_config(const struct lu_env *env,
6088 struct lu_device *d, struct lustre_cfg *cfg)
6090 struct osd_device *o = osd_dev(d);
6094 switch (cfg->lcfg_command) {
6096 rc = osd_mount(env, o, cfg);
6099 lu_dev_del_linkage(d->ld_site, d);
6100 rc = osd_shutdown(env, o);
6103 LASSERT(&o->od_dt_dev);
6104 rc = class_process_proc_param(PARAM_OSD, lprocfs_osd_obd_vars,
6105 cfg, &o->od_dt_dev);
6106 if (rc > 0 || rc == -ENOSYS)
6107 rc = class_process_proc_param(PARAM_OST,
6108 lprocfs_osd_obd_vars,
6109 cfg, &o->od_dt_dev);
6118 static int osd_recovery_complete(const struct lu_env *env,
6119 struct lu_device *d)
6121 struct osd_device *osd = osd_dev(d);
6125 if (osd->od_quota_slave == NULL)
6128 /* start qsd instance on recovery completion, this notifies the quota
6129 * slave code that we are about to process new requests now */
6130 rc = qsd_start(env, osd->od_quota_slave);
6135 * we use exports to track all osd users
6137 static int osd_obd_connect(const struct lu_env *env, struct obd_export **exp,
6138 struct obd_device *obd, struct obd_uuid *cluuid,
6139 struct obd_connect_data *data, void *localdata)
6141 struct osd_device *osd = osd_dev(obd->obd_lu_dev);
6142 struct lustre_handle conn;
6146 CDEBUG(D_CONFIG, "connect #%d\n", osd->od_connects);
6148 rc = class_connect(&conn, obd, cluuid);
6152 *exp = class_conn2export(&conn);
6154 spin_lock(&osd->od_osfs_lock);
6156 spin_unlock(&osd->od_osfs_lock);
6162 * once last export (we don't count self-export) disappeared
6163 * osd can be released
6165 static int osd_obd_disconnect(struct obd_export *exp)
6167 struct obd_device *obd = exp->exp_obd;
6168 struct osd_device *osd = osd_dev(obd->obd_lu_dev);
6169 int rc, release = 0;
6172 /* Only disconnect the underlying layers on the final disconnect. */
6173 spin_lock(&osd->od_osfs_lock);
6175 if (osd->od_connects == 0)
6177 spin_unlock(&osd->od_osfs_lock);
6179 rc = class_disconnect(exp); /* bz 9811 */
6181 if (rc == 0 && release)
6182 class_manual_cleanup(obd);
6186 static int osd_prepare(const struct lu_env *env, struct lu_device *pdev,
6187 struct lu_device *dev)
6189 struct osd_device *osd = osd_dev(dev);
6193 if (osd->od_quota_slave != NULL) {
6194 /* set up quota slave objects */
6195 result = qsd_prepare(env, osd->od_quota_slave);
6200 result = osd_fid_init(env, osd);
6205 int osd_fid_alloc(const struct lu_env *env, struct obd_export *exp,
6206 struct lu_fid *fid, struct md_op_data *op_data)
6208 struct osd_device *osd = osd_dev(exp->exp_obd->obd_lu_dev);
6210 return seq_client_alloc_fid(env, osd->od_cl_seq, fid);
6213 static const struct lu_object_operations osd_lu_obj_ops = {
6214 .loo_object_init = osd_object_init,
6215 .loo_object_delete = osd_object_delete,
6216 .loo_object_release = osd_object_release,
6217 .loo_object_free = osd_object_free,
6218 .loo_object_print = osd_object_print,
6219 .loo_object_invariant = osd_object_invariant
6222 const struct lu_device_operations osd_lu_ops = {
6223 .ldo_object_alloc = osd_object_alloc,
6224 .ldo_process_config = osd_process_config,
6225 .ldo_recovery_complete = osd_recovery_complete,
6226 .ldo_prepare = osd_prepare,
6229 static const struct lu_device_type_operations osd_device_type_ops = {
6230 .ldto_init = osd_type_init,
6231 .ldto_fini = osd_type_fini,
6233 .ldto_start = osd_type_start,
6234 .ldto_stop = osd_type_stop,
6236 .ldto_device_alloc = osd_device_alloc,
6237 .ldto_device_free = osd_device_free,
6239 .ldto_device_init = osd_device_init,
6240 .ldto_device_fini = osd_device_fini
6243 struct lu_device_type osd_device_type = {
6244 .ldt_tags = LU_DEVICE_DT,
6245 .ldt_name = LUSTRE_OSD_LDISKFS_NAME,
6246 .ldt_ops = &osd_device_type_ops,
6247 .ldt_ctx_tags = LCT_LOCAL,
6251 * lprocfs legacy support.
6253 static struct obd_ops osd_obd_device_ops = {
6254 .o_owner = THIS_MODULE,
6255 .o_connect = osd_obd_connect,
6256 .o_disconnect = osd_obd_disconnect,
6257 .o_fid_alloc = osd_fid_alloc,
6260 static int __init osd_mod_init(void)
6266 rc = lu_kmem_init(ldiskfs_caches);
6270 rc = class_register_type(&osd_obd_device_ops, NULL, true,
6271 lprocfs_osd_module_vars,
6272 LUSTRE_OSD_LDISKFS_NAME, &osd_device_type);
6274 lu_kmem_fini(ldiskfs_caches);
6278 static void __exit osd_mod_exit(void)
6280 class_unregister_type(LUSTRE_OSD_LDISKFS_NAME);
6281 lu_kmem_fini(ldiskfs_caches);
6284 MODULE_AUTHOR("Sun Microsystems, Inc. <http://www.lustre.org/>");
6285 MODULE_DESCRIPTION("Lustre Object Storage Device ("LUSTRE_OSD_LDISKFS_NAME")");
6286 MODULE_LICENSE("GPL");
6288 cfs_module(osd, "0.1.0", osd_mod_init, osd_mod_exit);