lustre/osd-zfs/osd_object.c

   1 /*
   2  * GPL HEADER START
   3  *
   4  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   5  *
   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.
   9  *
  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).
  15  *
  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
  19  *
  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
  22  * have any questions.
  23  *
  24  * GPL HEADER END
  25  */
  26 /*
  27  * Copyright (c) 2009, 2010, Oracle and/or its affiliates. All rights reserved.
  28  * Use is subject to license terms.
  29  *
  30  * Copyright (c) 2012, 2015, Intel Corporation.
  31  */
  32 /*
  33  * This file is part of Lustre, http://www.lustre.org/
  34  * Lustre is a trademark of Sun Microsystems, Inc.
  35  *
  36  * lustre/osd-zfs/osd_object.c
  37  *
  38  * Author: Alex Zhuravlev <bzzz@whamcloud.com>
  39  * Author: Mike Pershin <tappro@whamcloud.com>
  40  * Author: Johann Lombardi <johann@whamcloud.com>
  41  */
  42
  43 #define DEBUG_SUBSYSTEM S_OSD
  44
  45 #include <lustre_ver.h>
  46 #include <libcfs/libcfs.h>
  47 #include <obd_support.h>
  48 #include <lustre_net.h>
  49 #include <obd.h>
  50 #include <obd_class.h>
  51 #include <lustre_disk.h>
  52 #include <lustre_fid.h>
  53
  54 #include "osd_internal.h"
  55
  56 #include <sys/dnode.h>
  57 #include <sys/dbuf.h>
  58 #include <sys/spa.h>
  59 #include <sys/stat.h>
  60 #include <sys/zap.h>
  61 #include <sys/spa_impl.h>
  62 #include <sys/zfs_znode.h>
  63 #include <sys/dmu_tx.h>
  64 #include <sys/dmu_objset.h>
  65 #include <sys/dsl_prop.h>
  66 #include <sys/sa_impl.h>
  67 #include <sys/txg.h>
  68
  69 char *osd_obj_tag = "osd_object";
  70
  71 static struct dt_object_operations osd_obj_ops;
  72 static struct lu_object_operations osd_lu_obj_ops;
  73 extern struct dt_body_operations osd_body_ops;
  74 static struct dt_object_operations osd_obj_otable_it_ops;
  75
  76 extern struct kmem_cache *osd_object_kmem;
  77
  78 static void
  79 osd_object_sa_fini(struct osd_object *obj)
  80 {
  81         if (obj->oo_sa_hdl) {
  82                 sa_handle_destroy(obj->oo_sa_hdl);
  83                 obj->oo_sa_hdl = NULL;
  84         }
  85 }
  86
  87 static int
  88 osd_object_sa_init(struct osd_object *obj, struct osd_device *o)
  89 {
  90         int rc;
  91
  92         LASSERT(obj->oo_sa_hdl == NULL);
  93         LASSERT(obj->oo_db != NULL);
  94
  95         rc = -sa_handle_get(o->od_os, obj->oo_db->db_object, obj,
  96                             SA_HDL_PRIVATE, &obj->oo_sa_hdl);
  97         if (rc)
  98                 return rc;
  99
 100         /* Cache the xattr object id, valid for the life of the object */
 101         rc = -sa_lookup(obj->oo_sa_hdl, SA_ZPL_XATTR(o), &obj->oo_xattr, 8);
 102         if (rc == -ENOENT) {
 103                 obj->oo_xattr = ZFS_NO_OBJECT;
 104                 rc = 0;
 105         } else if (rc) {
 106                 osd_object_sa_fini(obj);
 107         }
 108
 109         return rc;
 110 }
 111
 112 /*
 113  * Add object to list of dirty objects in tx handle.
 114  */
 115 static void
 116 osd_object_sa_dirty_add(struct osd_object *obj, struct osd_thandle *oh)
 117 {
 118         if (!list_empty(&obj->oo_sa_linkage))
 119                 return;
 120
 121         down(&oh->ot_sa_lock);
 122         write_lock(&obj->oo_attr_lock);
 123         if (likely(list_empty(&obj->oo_sa_linkage)))
 124                 list_add(&obj->oo_sa_linkage, &oh->ot_sa_list);
 125         write_unlock(&obj->oo_attr_lock);
 126         up(&oh->ot_sa_lock);
 127 }
 128
 129 /*
 130  * Release spill block dbuf hold for all dirty SAs.
 131  */
 132 void osd_object_sa_dirty_rele(struct osd_thandle *oh)
 133 {
 134         struct osd_object *obj;
 135
 136         down(&oh->ot_sa_lock);
 137         while (!list_empty(&oh->ot_sa_list)) {
 138                 obj = list_entry(oh->ot_sa_list.next,
 139                                  struct osd_object, oo_sa_linkage);
 140                 sa_spill_rele(obj->oo_sa_hdl);
 141                 write_lock(&obj->oo_attr_lock);
 142                 list_del_init(&obj->oo_sa_linkage);
 143                 write_unlock(&obj->oo_attr_lock);
 144         }
 145         up(&oh->ot_sa_lock);
 146 }
 147
 148 /*
 149  * Update the SA and add the object to the dirty list.
 150  */
 151 int osd_object_sa_update(struct osd_object *obj, sa_attr_type_t type,
 152                          void *buf, uint32_t buflen, struct osd_thandle *oh)
 153 {
 154         int rc;
 155
 156         LASSERT(obj->oo_sa_hdl != NULL);
 157         LASSERT(oh->ot_tx != NULL);
 158
 159         rc = -sa_update(obj->oo_sa_hdl, type, buf, buflen, oh->ot_tx);
 160         osd_object_sa_dirty_add(obj, oh);
 161
 162         return rc;
 163 }
 164
 165 /*
 166  * Bulk update the SA and add the object to the dirty list.
 167  */
 168 static int
 169 osd_object_sa_bulk_update(struct osd_object *obj, sa_bulk_attr_t *attrs,
 170                           int count, struct osd_thandle *oh)
 171 {
 172         int rc;
 173
 174         LASSERT(obj->oo_sa_hdl != NULL);
 175         LASSERT(oh->ot_tx != NULL);
 176
 177         rc = -sa_bulk_update(obj->oo_sa_hdl, attrs, count, oh->ot_tx);
 178         osd_object_sa_dirty_add(obj, oh);
 179
 180         return rc;
 181 }
 182
 183 /*
 184  * Retrieve the attributes of a DMU object
 185  */
 186 int __osd_object_attr_get(const struct lu_env *env, struct osd_device *o,
 187                           struct osd_object *obj, struct lu_attr *la)
 188 {
 189         struct osa_attr *osa = &osd_oti_get(env)->oti_osa;
 190         sa_bulk_attr_t  *bulk = osd_oti_get(env)->oti_attr_bulk;
 191         sa_handle_t     *sa_hdl;
 192         int              cnt = 0;
 193         int              rc;
 194         ENTRY;
 195
 196         LASSERT(obj->oo_db != NULL);
 197
 198         rc = -sa_handle_get(o->od_os, obj->oo_db->db_object, NULL,
 199                             SA_HDL_PRIVATE, &sa_hdl);
 200         if (rc)
 201                 RETURN(rc);
 202
 203         la->la_valid |= LA_ATIME | LA_MTIME | LA_CTIME | LA_MODE | LA_TYPE |
 204                         LA_SIZE | LA_UID | LA_GID | LA_FLAGS | LA_NLINK;
 205
 206         SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_ATIME(o), NULL, osa->atime, 16);
 207         SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_MTIME(o), NULL, osa->mtime, 16);
 208         SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_CTIME(o), NULL, osa->ctime, 16);
 209         SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_MODE(o), NULL, &osa->mode, 8);
 210         SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_SIZE(o), NULL, &osa->size, 8);
 211         SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_LINKS(o), NULL, &osa->nlink, 8);
 212         SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_UID(o), NULL, &osa->uid, 8);
 213         SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_GID(o), NULL, &osa->gid, 8);
 214         SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_FLAGS(o), NULL, &osa->flags, 8);
 215         LASSERT(cnt <= ARRAY_SIZE(osd_oti_get(env)->oti_attr_bulk));
 216
 217         rc = -sa_bulk_lookup(sa_hdl, bulk, cnt);
 218         if (rc)
 219                 GOTO(out_sa, rc);
 220
 221         la->la_atime = osa->atime[0];
 222         la->la_mtime = osa->mtime[0];
 223         la->la_ctime = osa->ctime[0];
 224         la->la_mode = osa->mode;
 225         la->la_uid = osa->uid;
 226         la->la_gid = osa->gid;
 227         la->la_nlink = osa->nlink;
 228         la->la_flags = attrs_zfs2fs(osa->flags);
 229         la->la_size = osa->size;
 230
 231         /* Try to get extra flag from LMA. Right now, only LMAI_ORPHAN
 232          * flags is stored in LMA, and it is only for orphan directory */
 233         if (S_ISDIR(la->la_mode) && dt_object_exists(&obj->oo_dt)) {
 234                 struct osd_thread_info *info = osd_oti_get(env);
 235                 struct lustre_mdt_attrs *lma;
 236                 struct lu_buf buf;
 237
 238                 lma = (struct lustre_mdt_attrs *)info->oti_buf;
 239                 buf.lb_buf = lma;
 240                 buf.lb_len = sizeof(info->oti_buf);
 241                 rc = osd_xattr_get(env, &obj->oo_dt, &buf, XATTR_NAME_LMA);
 242                 if (rc > 0) {
 243                         rc = 0;
 244                         lma->lma_incompat = le32_to_cpu(lma->lma_incompat);
 245                         obj->oo_lma_flags =
 246                                 lma_to_lustre_flags(lma->lma_incompat);
 247
 248                 } else if (rc == -ENODATA) {
 249                         rc = 0;
 250                 }
 251         }
 252
 253         if (S_ISCHR(la->la_mode) || S_ISBLK(la->la_mode)) {
 254                 rc = -sa_lookup(sa_hdl, SA_ZPL_RDEV(o), &osa->rdev, 8);
 255                 if (rc)
 256                         GOTO(out_sa, rc);
 257                 la->la_rdev = osa->rdev;
 258                 la->la_valid |= LA_RDEV;
 259         }
 260 out_sa:
 261         sa_handle_destroy(sa_hdl);
 262
 263         RETURN(rc);
 264 }
 265
 266 int __osd_obj2dbuf(const struct lu_env *env, objset_t *os,
 267                    uint64_t oid, dmu_buf_t **dbp)
 268 {
 269         dmu_object_info_t *doi = &osd_oti_get(env)->oti_doi;
 270         int rc;
 271
 272         rc = -sa_buf_hold(os, oid, osd_obj_tag, dbp);
 273         if (rc)
 274                 return rc;
 275
 276         dmu_object_info_from_db(*dbp, doi);
 277         if (unlikely (oid != DMU_USERUSED_OBJECT &&
 278             oid != DMU_GROUPUSED_OBJECT && doi->doi_bonus_type != DMU_OT_SA)) {
 279                 sa_buf_rele(*dbp, osd_obj_tag);
 280                 *dbp = NULL;
 281                 return -EINVAL;
 282         }
 283
 284         LASSERT(*dbp);
 285         LASSERT((*dbp)->db_object == oid);
 286         LASSERT((*dbp)->db_offset == -1);
 287         LASSERT((*dbp)->db_data != NULL);
 288
 289         return 0;
 290 }
 291
 292 /*
 293  * Concurrency: no concurrent access is possible that early in object
 294  * life-cycle.
 295  */
 296 struct lu_object *osd_object_alloc(const struct lu_env *env,
 297                                    const struct lu_object_header *hdr,
 298                                    struct lu_device *d)
 299 {
 300         struct osd_object *mo;
 301
 302         OBD_SLAB_ALLOC_PTR_GFP(mo, osd_object_kmem, GFP_NOFS);
 303         if (mo != NULL) {
 304                 struct lu_object *l;
 305
 306                 l = &mo->oo_dt.do_lu;
 307                 dt_object_init(&mo->oo_dt, NULL, d);
 308                 mo->oo_dt.do_ops = &osd_obj_ops;
 309                 l->lo_ops = &osd_lu_obj_ops;
 310                 INIT_LIST_HEAD(&mo->oo_sa_linkage);
 311                 INIT_LIST_HEAD(&mo->oo_unlinked_linkage);
 312                 init_rwsem(&mo->oo_sem);
 313                 init_rwsem(&mo->oo_guard);
 314                 rwlock_init(&mo->oo_attr_lock);
 315                 mo->oo_destroy = OSD_DESTROY_NONE;
 316                 return l;
 317         } else {
 318                 return NULL;
 319         }
 320 }
 321
 322 /*
 323  * Concurrency: shouldn't matter.
 324  */
 325 int osd_object_init0(const struct lu_env *env, struct osd_object *obj)
 326 {
 327         struct osd_device       *osd = osd_obj2dev(obj);
 328         const struct lu_fid     *fid = lu_object_fid(&obj->oo_dt.do_lu);
 329         int                      rc = 0;
 330         ENTRY;
 331
 332         if (obj->oo_db == NULL)
 333                 RETURN(0);
 334
 335         /* object exist */
 336
 337         rc = osd_object_sa_init(obj, osd);
 338         if (rc)
 339                 RETURN(rc);
 340
 341         /* cache attrs in object */
 342         rc = __osd_object_attr_get(env, osd, obj, &obj->oo_attr);
 343         if (rc)
 344                 RETURN(rc);
 345
 346         if (likely(!fid_is_acct(fid)))
 347                 /* no body operations for accounting objects */
 348                 obj->oo_dt.do_body_ops = &osd_body_ops;
 349
 350         /*
 351          * initialize object before marking it existing
 352          */
 353         obj->oo_dt.do_lu.lo_header->loh_attr |= obj->oo_attr.la_mode & S_IFMT;
 354
 355         smp_mb();
 356         obj->oo_dt.do_lu.lo_header->loh_attr |= LOHA_EXISTS;
 357
 358         RETURN(0);
 359 }
 360
 361 static int osd_check_lma(const struct lu_env *env, struct osd_object *obj)
 362 {
 363         struct osd_thread_info  *info = osd_oti_get(env);
 364         struct lu_buf           buf;
 365         int                     rc;
 366         struct lustre_mdt_attrs *lma;
 367         ENTRY;
 368
 369         CLASSERT(sizeof(info->oti_buf) >= sizeof(*lma));
 370         lma = (struct lustre_mdt_attrs *)info->oti_buf;
 371         buf.lb_buf = lma;
 372         buf.lb_len = sizeof(info->oti_buf);
 373
 374         rc = osd_xattr_get(env, &obj->oo_dt, &buf, XATTR_NAME_LMA);
 375         if (rc > 0) {
 376                 rc = 0;
 377                 lustre_lma_swab(lma);
 378                 if (unlikely((lma->lma_incompat & ~LMA_INCOMPAT_SUPP) ||
 379                              CFS_FAIL_CHECK(OBD_FAIL_OSD_LMA_INCOMPAT))) {
 380                         CWARN("%s: unsupported incompat LMA feature(s) %#x for "
 381                               "fid = "DFID"\n", osd_obj2dev(obj)->od_svname,
 382                               lma->lma_incompat & ~LMA_INCOMPAT_SUPP,
 383                               PFID(lu_object_fid(&obj->oo_dt.do_lu)));
 384                         rc = -EOPNOTSUPP;
 385                 }
 386         } else if (rc == -ENODATA) {
 387                 /* haven't initialize LMA xattr */
 388                 rc = 0;
 389         }
 390
 391         RETURN(rc);
 392 }
 393
 394 /*
 395  * Concurrency: no concurrent access is possible that early in object
 396  * life-cycle.
 397  */
 398 static int osd_object_init(const struct lu_env *env, struct lu_object *l,
 399                            const struct lu_object_conf *conf)
 400 {
 401         struct osd_object       *obj = osd_obj(l);
 402         struct osd_device       *osd = osd_obj2dev(obj);
 403         uint64_t                 oid;
 404         int                      rc;
 405         ENTRY;
 406
 407         LASSERT(osd_invariant(obj));
 408
 409         if (fid_is_otable_it(&l->lo_header->loh_fid)) {
 410                 obj->oo_dt.do_ops = &osd_obj_otable_it_ops;
 411                 l->lo_header->loh_attr |= LOHA_EXISTS;
 412                 RETURN(0);
 413         }
 414
 415         if (conf != NULL && conf->loc_flags & LOC_F_NEW)
 416                 GOTO(out, rc = 0);
 417
 418         rc = osd_fid_lookup(env, osd, lu_object_fid(l), &oid);
 419         if (rc == 0) {
 420                 LASSERT(obj->oo_db == NULL);
 421                 rc = __osd_obj2dbuf(env, osd->od_os, oid, &obj->oo_db);
 422                 /* EEXIST will be returned if object is being deleted in ZFS */
 423                 if (rc == -EEXIST) {
 424                         rc = 0;
 425                         GOTO(out, rc);
 426                 }
 427                 if (rc != 0) {
 428                         CERROR("%s: lookup "DFID"/"LPX64" failed: rc = %d\n",
 429                                osd->od_svname, PFID(lu_object_fid(l)), oid, rc);
 430                         GOTO(out, rc);
 431                 }
 432                 LASSERT(obj->oo_db);
 433                 rc = osd_object_init0(env, obj);
 434                 if (rc != 0)
 435                         GOTO(out, rc);
 436
 437                 rc = osd_check_lma(env, obj);
 438                 if (rc != 0)
 439                         GOTO(out, rc);
 440         } else if (rc == -ENOENT) {
 441                 rc = 0;
 442         }
 443         LASSERT(osd_invariant(obj));
 444 out:
 445         RETURN(rc);
 446 }
 447
 448 /*
 449  * Concurrency: no concurrent access is possible that late in object
 450  * life-cycle.
 451  */
 452 static void osd_object_free(const struct lu_env *env, struct lu_object *l)
 453 {
 454         struct osd_object *obj = osd_obj(l);
 455
 456         LASSERT(osd_invariant(obj));
 457
 458         dt_object_fini(&obj->oo_dt);
 459         OBD_SLAB_FREE_PTR(obj, osd_object_kmem);
 460 }
 461
 462 static int
 463 osd_object_unlinked_add(struct osd_object *obj, struct osd_thandle *oh)
 464 {
 465         int rc = -EBUSY;
 466
 467         LASSERT(obj->oo_destroy == OSD_DESTROY_ASYNC);
 468
 469         /* the object is supposed to be exclusively locked by
 470          * the caller (osd_object_destroy()), while the transaction
 471          * (oh) is per-thread and not shared */
 472         if (likely(list_empty(&obj->oo_unlinked_linkage))) {
 473                 list_add(&obj->oo_unlinked_linkage, &oh->ot_unlinked_list);
 474                 rc = 0;
 475         }
 476
 477         return rc;
 478 }
 479
 480 /* Default to max data size covered by a level-1 indirect block */
 481 static unsigned long osd_sync_destroy_max_size =
 482         1UL << (DN_MAX_INDBLKSHIFT - SPA_BLKPTRSHIFT + SPA_MAXBLOCKSHIFT);
 483 module_param(osd_sync_destroy_max_size, ulong, 0444);
 484 MODULE_PARM_DESC(osd_sync_destroy_max_size, "Maximum object size to use synchronous destroy.");
 485
 486 static inline void
 487 osd_object_set_destroy_type(struct osd_object *obj)
 488 {
 489         /*
 490          * Lock-less OST_WRITE can race with OST_DESTROY, so set destroy type
 491          * only once and use it consistently thereafter.
 492          */
 493         down_write(&obj->oo_guard);
 494         if (obj->oo_destroy == OSD_DESTROY_NONE) {
 495                 if (obj->oo_attr.la_size <= osd_sync_destroy_max_size)
 496                         obj->oo_destroy = OSD_DESTROY_SYNC;
 497                 else /* Larger objects are destroyed asynchronously */
 498                         obj->oo_destroy = OSD_DESTROY_ASYNC;
 499         }
 500         up_write(&obj->oo_guard);
 501 }
 502
 503 static int osd_declare_object_destroy(const struct lu_env *env,
 504                                       struct dt_object *dt,
 505                                       struct thandle *th)
 506 {
 507         char                    *buf = osd_oti_get(env)->oti_str;
 508         const struct lu_fid     *fid = lu_object_fid(&dt->do_lu);
 509         struct osd_object       *obj = osd_dt_obj(dt);
 510         struct osd_device       *osd = osd_obj2dev(obj);
 511         struct osd_thandle      *oh;
 512         int                      rc;
 513         uint64_t                 zapid;
 514         ENTRY;
 515
 516         LASSERT(th != NULL);
 517         LASSERT(dt_object_exists(dt));
 518
 519         oh = container_of0(th, struct osd_thandle, ot_super);
 520         LASSERT(oh->ot_tx != NULL);
 521
 522         /* declare that we'll remove object from fid-dnode mapping */
 523         zapid = osd_get_name_n_idx(env, osd, fid, buf);
 524         dmu_tx_hold_bonus(oh->ot_tx, zapid);
 525         dmu_tx_hold_zap(oh->ot_tx, zapid, FALSE, buf);
 526
 527         osd_declare_xattrs_destroy(env, obj, oh);
 528
 529         /* declare that we'll remove object from inode accounting ZAPs */
 530         dmu_tx_hold_bonus(oh->ot_tx, osd->od_iusr_oid);
 531         dmu_tx_hold_zap(oh->ot_tx, osd->od_iusr_oid, FALSE, buf);
 532         dmu_tx_hold_bonus(oh->ot_tx, osd->od_igrp_oid);
 533         dmu_tx_hold_zap(oh->ot_tx, osd->od_igrp_oid, FALSE, buf);
 534
 535         /* one less inode */
 536         rc = osd_declare_quota(env, osd, obj->oo_attr.la_uid,
 537                                obj->oo_attr.la_gid, -1, oh, false, NULL, false);
 538         if (rc)
 539                 RETURN(rc);
 540
 541         /* data to be truncated */
 542         rc = osd_declare_quota(env, osd, obj->oo_attr.la_uid,
 543                                obj->oo_attr.la_gid, 0, oh, true, NULL, false);
 544         if (rc)
 545                 RETURN(rc);
 546
 547         osd_object_set_destroy_type(obj);
 548         if (obj->oo_destroy == OSD_DESTROY_SYNC)
 549                 dmu_tx_hold_free(oh->ot_tx, obj->oo_db->db_object,
 550                                  0, DMU_OBJECT_END);
 551         else
 552                 dmu_tx_hold_zap(oh->ot_tx, osd->od_unlinkedid, TRUE, NULL);
 553
 554         RETURN(0);
 555 }
 556
 557 static int osd_object_destroy(const struct lu_env *env,
 558                               struct dt_object *dt, struct thandle *th)
 559 {
 560         char                    *buf = osd_oti_get(env)->oti_str;
 561         struct osd_object       *obj = osd_dt_obj(dt);
 562         struct osd_device       *osd = osd_obj2dev(obj);
 563         const struct lu_fid     *fid = lu_object_fid(&dt->do_lu);
 564         struct osd_thandle      *oh;
 565         int                      rc;
 566         uint64_t                 oid, zapid;
 567         ENTRY;
 568
 569         down_write(&obj->oo_guard);
 570
 571         if (unlikely(!dt_object_exists(dt) || obj->oo_destroyed))
 572                 GOTO(out, rc = -ENOENT);
 573
 574         LASSERT(obj->oo_db != NULL);
 575
 576         oh = container_of0(th, struct osd_thandle, ot_super);
 577         LASSERT(oh != NULL);
 578         LASSERT(oh->ot_tx != NULL);
 579
 580         /* remove obj ref from index dir (it depends) */
 581         zapid = osd_get_name_n_idx(env, osd, fid, buf);
 582         rc = -zap_remove(osd->od_os, zapid, buf, oh->ot_tx);
 583         if (rc) {
 584                 CERROR("%s: zap_remove(%s) failed: rc = %d\n",
 585                        osd->od_svname, buf, rc);
 586                 GOTO(out, rc);
 587         }
 588
 589         rc = osd_xattrs_destroy(env, obj, oh);
 590         if (rc) {
 591                 CERROR("%s: cannot destroy xattrs for %s: rc = %d\n",
 592                        osd->od_svname, buf, rc);
 593                 GOTO(out, rc);
 594         }
 595
 596         /* Remove object from inode accounting. It is not fatal for the destroy
 597          * operation if something goes wrong while updating accounting, but we
 598          * still log an error message to notify the administrator */
 599         rc = -zap_increment_int(osd->od_os, osd->od_iusr_oid,
 600                                 obj->oo_attr.la_uid, -1, oh->ot_tx);
 601         if (rc)
 602                 CERROR("%s: failed to remove "DFID" from accounting ZAP for usr"
 603                        " %d: rc = %d\n", osd->od_svname, PFID(fid),
 604                        obj->oo_attr.la_uid, rc);
 605         rc = -zap_increment_int(osd->od_os, osd->od_igrp_oid,
 606                                 obj->oo_attr.la_gid, -1, oh->ot_tx);
 607         if (rc)
 608                 CERROR("%s: failed to remove "DFID" from accounting ZAP for grp"
 609                        " %d: rc = %d\n", osd->od_svname, PFID(fid),
 610                        obj->oo_attr.la_gid, rc);
 611
 612         oid = obj->oo_db->db_object;
 613         if (unlikely(obj->oo_destroy == OSD_DESTROY_NONE)) {
 614                 /* this may happen if the destroy wasn't declared
 615                  * e.g. when the object is created and then destroyed
 616                  * in the same transaction - we don't need additional
 617                  * space for destroy specifically */
 618                 LASSERT(obj->oo_attr.la_size <= osd_sync_destroy_max_size);
 619                 rc = -dmu_object_free(osd->od_os, oid, oh->ot_tx);
 620                 if (rc)
 621                         CERROR("%s: failed to free %s "LPU64": rc = %d\n",
 622                                osd->od_svname, buf, oid, rc);
 623         } else if (obj->oo_destroy == OSD_DESTROY_SYNC) {
 624                 rc = -dmu_object_free(osd->od_os, oid, oh->ot_tx);
 625                 if (rc)
 626                         CERROR("%s: failed to free %s "LPU64": rc = %d\n",
 627                                osd->od_svname, buf, oid, rc);
 628         } else { /* asynchronous destroy */
 629                 rc = osd_object_unlinked_add(obj, oh);
 630                 if (rc)
 631                         GOTO(out, rc);
 632
 633                 rc = -zap_add_int(osd->od_os, osd->od_unlinkedid,
 634                                   oid, oh->ot_tx);
 635                 if (rc)
 636                         CERROR("%s: zap_add_int() failed %s "LPU64": rc = %d\n",
 637                                osd->od_svname, buf, oid, rc);
 638         }
 639
 640 out:
 641         /* not needed in the cache anymore */
 642         set_bit(LU_OBJECT_HEARD_BANSHEE, &dt->do_lu.lo_header->loh_flags);
 643         if (rc == 0)
 644                 obj->oo_destroyed = 1;
 645         up_write(&obj->oo_guard);
 646         RETURN (0);
 647 }
 648
 649 static void osd_object_delete(const struct lu_env *env, struct lu_object *l)
 650 {
 651         struct osd_object *obj = osd_obj(l);
 652
 653         if (obj->oo_db != NULL) {
 654                 osd_object_sa_fini(obj);
 655                 if (obj->oo_sa_xattr) {
 656                         nvlist_free(obj->oo_sa_xattr);
 657                         obj->oo_sa_xattr = NULL;
 658                 }
 659                 sa_buf_rele(obj->oo_db, osd_obj_tag);
 660                 list_del(&obj->oo_sa_linkage);
 661                 obj->oo_db = NULL;
 662         }
 663 }
 664
 665 /*
 666  * Concurrency: ->loo_object_release() is called under site spin-lock.
 667  */
 668 static void osd_object_release(const struct lu_env *env,
 669                                struct lu_object *l)
 670 {
 671 }
 672
 673 /*
 674  * Concurrency: shouldn't matter.
 675  */
 676 static int osd_object_print(const struct lu_env *env, void *cookie,
 677                             lu_printer_t p, const struct lu_object *l)
 678 {
 679         struct osd_object *o = osd_obj(l);
 680
 681         return (*p)(env, cookie, LUSTRE_OSD_ZFS_NAME"-object@%p", o);
 682 }
 683
 684 static void osd_object_read_lock(const struct lu_env *env,
 685                                  struct dt_object *dt, unsigned role)
 686 {
 687         struct osd_object *obj = osd_dt_obj(dt);
 688
 689         LASSERT(osd_invariant(obj));
 690
 691         down_read_nested(&obj->oo_sem, role);
 692 }
 693
 694 static void osd_object_write_lock(const struct lu_env *env,
 695                                   struct dt_object *dt, unsigned role)
 696 {
 697         struct osd_object *obj = osd_dt_obj(dt);
 698
 699         LASSERT(osd_invariant(obj));
 700
 701         down_write_nested(&obj->oo_sem, role);
 702 }
 703
 704 static void osd_object_read_unlock(const struct lu_env *env,
 705                                    struct dt_object *dt)
 706 {
 707         struct osd_object *obj = osd_dt_obj(dt);
 708
 709         LASSERT(osd_invariant(obj));
 710         up_read(&obj->oo_sem);
 711 }
 712
 713 static void osd_object_write_unlock(const struct lu_env *env,
 714                                     struct dt_object *dt)
 715 {
 716         struct osd_object *obj = osd_dt_obj(dt);
 717
 718         LASSERT(osd_invariant(obj));
 719         up_write(&obj->oo_sem);
 720 }
 721
 722 static int osd_object_write_locked(const struct lu_env *env,
 723                                    struct dt_object *dt)
 724 {
 725         struct osd_object *obj = osd_dt_obj(dt);
 726         int rc = 1;
 727
 728         LASSERT(osd_invariant(obj));
 729
 730         if (down_write_trylock(&obj->oo_sem)) {
 731                 rc = 0;
 732                 up_write(&obj->oo_sem);
 733         }
 734         return rc;
 735 }
 736
 737 static int osd_attr_get(const struct lu_env *env,
 738                         struct dt_object *dt,
 739                         struct lu_attr *attr)
 740 {
 741         struct osd_object       *obj = osd_dt_obj(dt);
 742         uint64_t                 blocks;
 743         uint32_t                 blksize;
 744         int                      rc = 0;
 745
 746         down_read(&obj->oo_guard);
 747
 748         if (unlikely(!dt_object_exists(dt) || obj->oo_destroyed))
 749                 GOTO(out, rc = -ENOENT);
 750
 751         LASSERT(osd_invariant(obj));
 752         LASSERT(obj->oo_db);
 753
 754         read_lock(&obj->oo_attr_lock);
 755         *attr = obj->oo_attr;
 756         if (obj->oo_lma_flags & LUSTRE_ORPHAN_FL)
 757                 attr->la_flags |= LUSTRE_ORPHAN_FL;
 758         read_unlock(&obj->oo_attr_lock);
 759
 760         /* with ZFS_DEBUG zrl_add_debug() called by DB_DNODE_ENTER()
 761          * from within sa_object_size() can block on a mutex, so
 762          * we can't call sa_object_size() holding rwlock */
 763         sa_object_size(obj->oo_sa_hdl, &blksize, &blocks);
 764         /* we do not control size of indices, so always calculate
 765          * it from number of blocks reported by DMU */
 766         if (S_ISDIR(attr->la_mode))
 767                 attr->la_size = 512 * blocks;
 768         /* Block size may be not set; suggest maximal I/O transfers. */
 769         if (blksize == 0)
 770                 blksize = osd_spa_maxblocksize(
 771                         dmu_objset_spa(osd_obj2dev(obj)->od_os));
 772
 773         attr->la_blksize = blksize;
 774         attr->la_blocks = blocks;
 775         attr->la_valid |= LA_BLOCKS | LA_BLKSIZE;
 776
 777 out:
 778         up_read(&obj->oo_guard);
 779         return rc;
 780 }
 781
 782 /* Simple wrapper on top of qsd API which implement quota transfer for osd
 783  * setattr needs. As a reminder, only the root user can change ownership of
 784  * a file, that's why EDQUOT & EINPROGRESS errors are discarded */
 785 static inline int qsd_transfer(const struct lu_env *env,
 786                                struct qsd_instance *qsd,
 787                                struct lquota_trans *trans, int qtype,
 788                                __u64 orig_id, __u64 new_id, __u64 bspace,
 789                                struct lquota_id_info *qi)
 790 {
 791         int     rc;
 792
 793         if (unlikely(qsd == NULL))
 794                 return 0;
 795
 796         LASSERT(qtype >= 0 && qtype < LL_MAXQUOTAS);
 797         qi->lqi_type = qtype;
 798
 799         /* inode accounting */
 800         qi->lqi_is_blk = false;
 801
 802         /* one more inode for the new owner ... */
 803         qi->lqi_id.qid_uid = new_id;
 804         qi->lqi_space      = 1;
 805         rc = qsd_op_begin(env, qsd, trans, qi, NULL);
 806         if (rc == -EDQUOT || rc == -EINPROGRESS)
 807                 rc = 0;
 808         if (rc)
 809                 return rc;
 810
 811         /* and one less inode for the current id */
 812         qi->lqi_id.qid_uid = orig_id;;
 813         qi->lqi_space      = -1;
 814         /* can't get EDQUOT when reducing usage */
 815         rc = qsd_op_begin(env, qsd, trans, qi, NULL);
 816         if (rc == -EINPROGRESS)
 817                 rc = 0;
 818         if (rc)
 819                 return rc;
 820
 821         /* block accounting */
 822         qi->lqi_is_blk = true;
 823
 824         /* more blocks for the new owner ... */
 825         qi->lqi_id.qid_uid = new_id;
 826         qi->lqi_space      = bspace;
 827         rc = qsd_op_begin(env, qsd, trans, qi, NULL);
 828         if (rc == -EDQUOT || rc == -EINPROGRESS)
 829                 rc = 0;
 830         if (rc)
 831                 return rc;
 832
 833         /* and finally less blocks for the current owner */
 834         qi->lqi_id.qid_uid = orig_id;
 835         qi->lqi_space      = -bspace;
 836         rc = qsd_op_begin(env, qsd, trans, qi, NULL);
 837         /* can't get EDQUOT when reducing usage */
 838         if (rc == -EINPROGRESS)
 839                 rc = 0;
 840         return rc;
 841 }
 842
 843 static int osd_declare_attr_set(const struct lu_env *env,
 844                                 struct dt_object *dt,
 845                                 const struct lu_attr *attr,
 846                                 struct thandle *handle)
 847 {
 848         struct osd_thread_info  *info = osd_oti_get(env);
 849         char                    *buf = osd_oti_get(env)->oti_str;
 850         struct osd_object       *obj = osd_dt_obj(dt);
 851         struct osd_device       *osd = osd_obj2dev(obj);
 852         struct osd_thandle      *oh;
 853         uint64_t                 bspace;
 854         uint32_t                 blksize;
 855         int                      rc = 0;
 856         ENTRY;
 857
 858
 859         LASSERT(handle != NULL);
 860         LASSERT(osd_invariant(obj));
 861
 862         oh = container_of0(handle, struct osd_thandle, ot_super);
 863
 864         down_read(&obj->oo_guard);
 865         if (unlikely(!dt_object_exists(dt) || obj->oo_destroyed))
 866                 GOTO(out, rc = 0);
 867
 868         LASSERT(obj->oo_sa_hdl != NULL);
 869         LASSERT(oh->ot_tx != NULL);
 870         dmu_tx_hold_sa(oh->ot_tx, obj->oo_sa_hdl, 0);
 871         if (oh->ot_tx->tx_err != 0)
 872                 GOTO(out, rc = -oh->ot_tx->tx_err);
 873
 874         sa_object_size(obj->oo_sa_hdl, &blksize, &bspace);
 875         bspace = toqb(bspace * blksize);
 876
 877         __osd_xattr_declare_set(env, obj, sizeof(struct lustre_mdt_attrs),
 878                                 XATTR_NAME_LMA, oh);
 879
 880         if (attr && attr->la_valid & LA_UID) {
 881                 /* account for user inode tracking ZAP update */
 882                 dmu_tx_hold_bonus(oh->ot_tx, osd->od_iusr_oid);
 883                 dmu_tx_hold_zap(oh->ot_tx, osd->od_iusr_oid, TRUE, buf);
 884
 885                 /* quota enforcement for user */
 886                 if (attr->la_uid != obj->oo_attr.la_uid) {
 887                         rc = qsd_transfer(env, osd->od_quota_slave,
 888                                           &oh->ot_quota_trans, USRQUOTA,
 889                                           obj->oo_attr.la_uid, attr->la_uid,
 890                                           bspace, &info->oti_qi);
 891                         if (rc)
 892                                 GOTO(out, rc);
 893                 }
 894         }
 895         if (attr && attr->la_valid & LA_GID) {
 896                 /* account for user inode tracking ZAP update */
 897                 dmu_tx_hold_bonus(oh->ot_tx, osd->od_igrp_oid);
 898                 dmu_tx_hold_zap(oh->ot_tx, osd->od_igrp_oid, TRUE, buf);
 899
 900                 /* quota enforcement for group */
 901                 if (attr->la_gid != obj->oo_attr.la_gid) {
 902                         rc = qsd_transfer(env, osd->od_quota_slave,
 903                                           &oh->ot_quota_trans, GRPQUOTA,
 904                                           obj->oo_attr.la_gid, attr->la_gid,
 905                                           bspace, &info->oti_qi);
 906                         if (rc)
 907                                 GOTO(out, rc);
 908                 }
 909         }
 910
 911 out:
 912         up_read(&obj->oo_guard);
 913         RETURN(rc);
 914 }
 915
 916 /*
 917  * Set the attributes of an object
 918  *
 919  * The transaction passed to this routine must have
 920  * dmu_tx_hold_bonus(tx, oid) called and then assigned
 921  * to a transaction group.
 922  */
 923 static int osd_attr_set(const struct lu_env *env, struct dt_object *dt,
 924                         const struct lu_attr *la, struct thandle *handle)
 925 {
 926         struct osd_thread_info  *info = osd_oti_get(env);
 927         sa_bulk_attr_t          *bulk = osd_oti_get(env)->oti_attr_bulk;
 928         struct osd_object       *obj = osd_dt_obj(dt);
 929         struct osd_device       *osd = osd_obj2dev(obj);
 930         struct osd_thandle      *oh;
 931         struct osa_attr         *osa = &info->oti_osa;
 932         __u64                    valid = la->la_valid;
 933         int                      cnt;
 934         int                      rc = 0;
 935
 936         ENTRY;
 937
 938         down_read(&obj->oo_guard);
 939         if (unlikely(!dt_object_exists(dt) || obj->oo_destroyed))
 940                 GOTO(out, rc = -ENOENT);
 941
 942         LASSERT(handle != NULL);
 943         LASSERT(osd_invariant(obj));
 944         LASSERT(obj->oo_sa_hdl);
 945
 946         oh = container_of0(handle, struct osd_thandle, ot_super);
 947         /* Assert that the transaction has been assigned to a
 948            transaction group. */
 949         LASSERT(oh->ot_tx->tx_txg != 0);
 950
 951         /* Only allow set size for regular file */
 952         if (!S_ISREG(dt->do_lu.lo_header->loh_attr))
 953                 valid &= ~(LA_SIZE | LA_BLOCKS);
 954
 955         if (valid & LA_CTIME && la->la_ctime == obj->oo_attr.la_ctime)
 956                 valid &= ~LA_CTIME;
 957
 958         if (valid & LA_MTIME && la->la_mtime == obj->oo_attr.la_mtime)
 959                 valid &= ~LA_MTIME;
 960
 961         if (valid & LA_ATIME && la->la_atime == obj->oo_attr.la_atime)
 962                 valid &= ~LA_ATIME;
 963
 964         if (valid == 0)
 965                 GOTO(out, rc = 0);
 966
 967         if (valid & LA_FLAGS) {
 968                 struct lustre_mdt_attrs *lma;
 969                 struct lu_buf buf;
 970
 971                 if (la->la_flags & LUSTRE_LMA_FL_MASKS) {
 972                         CLASSERT(sizeof(info->oti_buf) >= sizeof(*lma));
 973                         lma = (struct lustre_mdt_attrs *)&info->oti_buf;
 974                         buf.lb_buf = lma;
 975                         buf.lb_len = sizeof(info->oti_buf);
 976                         rc = osd_xattr_get(env, &obj->oo_dt, &buf,
 977                                            XATTR_NAME_LMA);
 978                         if (rc > 0) {
 979                                 lma->lma_incompat =
 980                                         le32_to_cpu(lma->lma_incompat);
 981                                 lma->lma_incompat |=
 982                                         lustre_to_lma_flags(la->la_flags);
 983                                 lma->lma_incompat =
 984                                         cpu_to_le32(lma->lma_incompat);
 985                                 buf.lb_buf = lma;
 986                                 buf.lb_len = sizeof(*lma);
 987                                 rc = osd_xattr_set_internal(env, obj, &buf,
 988                                                             XATTR_NAME_LMA,
 989                                                             LU_XATTR_REPLACE,
 990                                                             oh);
 991                         }
 992                         if (rc < 0) {
 993                                 CWARN("%s: failed to set LMA flags: rc = %d\n",
 994                                        osd->od_svname, rc);
 995                                 RETURN(rc);
 996                         }
 997                 }
 998         }
 999
1000         /* do both accounting updates outside oo_attr_lock below */
1001         if ((valid & LA_UID) && (la->la_uid != obj->oo_attr.la_uid)) {
1002                 /* Update user accounting. Failure isn't fatal, but we still
1003                  * log an error message */
1004                 rc = -zap_increment_int(osd->od_os, osd->od_iusr_oid,
1005                                         la->la_uid, 1, oh->ot_tx);
1006                 if (rc)
1007                         CERROR("%s: failed to update accounting ZAP for user "
1008                                 "%d (%d)\n", osd->od_svname, la->la_uid, rc);
1009                 rc = -zap_increment_int(osd->od_os, osd->od_iusr_oid,
1010                                         obj->oo_attr.la_uid, -1, oh->ot_tx);
1011                 if (rc)
1012                         CERROR("%s: failed to update accounting ZAP for user "
1013                                 "%d (%d)\n", osd->od_svname,
1014                                 obj->oo_attr.la_uid, rc);
1015         }
1016         if ((valid & LA_GID) && (la->la_gid != obj->oo_attr.la_gid)) {
1017                 /* Update group accounting. Failure isn't fatal, but we still
1018                  * log an error message */
1019                 rc = -zap_increment_int(osd->od_os, osd->od_igrp_oid,
1020                                         la->la_gid, 1, oh->ot_tx);
1021                 if (rc)
1022                         CERROR("%s: failed to update accounting ZAP for user "
1023                                 "%d (%d)\n", osd->od_svname, la->la_gid, rc);
1024                 rc = -zap_increment_int(osd->od_os, osd->od_igrp_oid,
1025                                         obj->oo_attr.la_gid, -1, oh->ot_tx);
1026                 if (rc)
1027                         CERROR("%s: failed to update accounting ZAP for user "
1028                                 "%d (%d)\n", osd->od_svname,
1029                                 obj->oo_attr.la_gid, rc);
1030         }
1031
1032         write_lock(&obj->oo_attr_lock);
1033         cnt = 0;
1034         if (valid & LA_ATIME) {
1035                 osa->atime[0] = obj->oo_attr.la_atime = la->la_atime;
1036                 SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_ATIME(osd), NULL,
1037                                  osa->atime, 16);
1038         }
1039         if (valid & LA_MTIME) {
1040                 osa->mtime[0] = obj->oo_attr.la_mtime = la->la_mtime;
1041                 SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_MTIME(osd), NULL,
1042                                  osa->mtime, 16);
1043         }
1044         if (valid & LA_CTIME) {
1045                 osa->ctime[0] = obj->oo_attr.la_ctime = la->la_ctime;
1046                 SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_CTIME(osd), NULL,
1047                                  osa->ctime, 16);
1048         }
1049         if (valid & LA_MODE) {
1050                 /* mode is stored along with type, so read it first */
1051                 obj->oo_attr.la_mode = (obj->oo_attr.la_mode & S_IFMT) |
1052                         (la->la_mode & ~S_IFMT);
1053                 osa->mode = obj->oo_attr.la_mode;
1054                 SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_MODE(osd), NULL,
1055                                  &osa->mode, 8);
1056         }
1057         if (valid & LA_SIZE) {
1058                 osa->size = obj->oo_attr.la_size = la->la_size;
1059                 SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_SIZE(osd), NULL,
1060                                  &osa->size, 8);
1061         }
1062         if (valid & LA_NLINK) {
1063                 osa->nlink = obj->oo_attr.la_nlink = la->la_nlink;
1064                 SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_LINKS(osd), NULL,
1065                                  &osa->nlink, 8);
1066         }
1067         if (valid & LA_RDEV) {
1068                 osa->rdev = obj->oo_attr.la_rdev = la->la_rdev;
1069                 SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_RDEV(osd), NULL,
1070                                  &osa->rdev, 8);
1071         }
1072         if (valid & LA_FLAGS) {
1073                 osa->flags = attrs_fs2zfs(la->la_flags);
1074                 /* many flags are not supported by zfs, so ensure a good cached
1075                  * copy */
1076                 obj->oo_attr.la_flags = attrs_zfs2fs(osa->flags);
1077                 SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_FLAGS(osd), NULL,
1078                                  &osa->flags, 8);
1079         }
1080         if (valid & LA_UID) {
1081                 osa->uid = obj->oo_attr.la_uid = la->la_uid;
1082                 SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_UID(osd), NULL,
1083                                  &osa->uid, 8);
1084         }
1085         if (valid & LA_GID) {
1086                 osa->gid = obj->oo_attr.la_gid = la->la_gid;
1087                 SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_GID(osd), NULL,
1088                                  &osa->gid, 8);
1089         }
1090         obj->oo_attr.la_valid |= valid;
1091         write_unlock(&obj->oo_attr_lock);
1092
1093         LASSERT(cnt <= ARRAY_SIZE(osd_oti_get(env)->oti_attr_bulk));
1094         rc = osd_object_sa_bulk_update(obj, bulk, cnt, oh);
1095
1096 out:
1097         up_read(&obj->oo_guard);
1098         RETURN(rc);
1099 }
1100
1101 /*
1102  * Object creation.
1103  *
1104  * XXX temporary solution.
1105  */
1106
1107 static void osd_ah_init(const struct lu_env *env, struct dt_allocation_hint *ah,
1108                         struct dt_object *parent, struct dt_object *child,
1109                         umode_t child_mode)
1110 {
1111         LASSERT(ah);
1112
1113         ah->dah_parent = parent;
1114         ah->dah_mode = child_mode;
1115 }
1116
1117 static int osd_declare_object_create(const struct lu_env *env,
1118                                      struct dt_object *dt,
1119                                      struct lu_attr *attr,
1120                                      struct dt_allocation_hint *hint,
1121                                      struct dt_object_format *dof,
1122                                      struct thandle *handle)
1123 {
1124         char                    *buf = osd_oti_get(env)->oti_str;
1125         const struct lu_fid     *fid = lu_object_fid(&dt->do_lu);
1126         struct osd_object       *obj = osd_dt_obj(dt);
1127         struct osd_device       *osd = osd_obj2dev(obj);
1128         struct osd_thandle      *oh;
1129         uint64_t                 zapid;
1130         int                      rc;
1131         ENTRY;
1132
1133         LASSERT(dof);
1134
1135         switch (dof->dof_type) {
1136                 case DFT_REGULAR:
1137                 case DFT_SYM:
1138                 case DFT_NODE:
1139                         if (obj->oo_dt.do_body_ops == NULL)
1140                                 obj->oo_dt.do_body_ops = &osd_body_ops;
1141                         break;
1142                 default:
1143                         break;
1144         }
1145
1146         LASSERT(handle != NULL);
1147         oh = container_of0(handle, struct osd_thandle, ot_super);
1148         LASSERT(oh->ot_tx != NULL);
1149
1150         switch (dof->dof_type) {
1151                 case DFT_DIR:
1152                         dt->do_index_ops = &osd_dir_ops;
1153                 case DFT_INDEX:
1154                         /* for zap create */
1155                         dmu_tx_hold_zap(oh->ot_tx, DMU_NEW_OBJECT, 1, NULL);
1156                         break;
1157                 case DFT_REGULAR:
1158                 case DFT_SYM:
1159                 case DFT_NODE:
1160                         /* first, we'll create new object */
1161                         dmu_tx_hold_bonus(oh->ot_tx, DMU_NEW_OBJECT);
1162                         break;
1163
1164                 default:
1165                         LBUG();
1166                         break;
1167         }
1168
1169         /* and we'll add it to some mapping */
1170         zapid = osd_get_name_n_idx(env, osd, fid, buf);
1171         dmu_tx_hold_bonus(oh->ot_tx, zapid);
1172         dmu_tx_hold_zap(oh->ot_tx, zapid, TRUE, buf);
1173
1174         /* we will also update inode accounting ZAPs */
1175         dmu_tx_hold_bonus(oh->ot_tx, osd->od_iusr_oid);
1176         dmu_tx_hold_zap(oh->ot_tx, osd->od_iusr_oid, TRUE, buf);
1177         dmu_tx_hold_bonus(oh->ot_tx, osd->od_igrp_oid);
1178         dmu_tx_hold_zap(oh->ot_tx, osd->od_igrp_oid, TRUE, buf);
1179
1180         dmu_tx_hold_sa_create(oh->ot_tx, ZFS_SA_BASE_ATTR_SIZE);
1181
1182         __osd_xattr_declare_set(env, obj, sizeof(struct lustre_mdt_attrs),
1183                                 XATTR_NAME_LMA, oh);
1184
1185         rc = osd_declare_quota(env, osd, attr->la_uid, attr->la_gid, 1, oh,
1186                                false, NULL, false);
1187         RETURN(rc);
1188 }
1189
1190 int __osd_attr_init(const struct lu_env *env, struct osd_device *osd,
1191                     uint64_t oid, dmu_tx_t *tx, struct lu_attr *la,
1192                     uint64_t parent)
1193 {
1194         sa_handle_t     *sa_hdl;
1195         sa_bulk_attr_t  *bulk = osd_oti_get(env)->oti_attr_bulk;
1196         struct osa_attr *osa = &osd_oti_get(env)->oti_osa;
1197         uint64_t         gen;
1198         uint64_t         crtime[2];
1199         timestruc_t      now;
1200         int              cnt;
1201         int              rc;
1202
1203         gethrestime(&now);
1204         gen = dmu_tx_get_txg(tx);
1205
1206         ZFS_TIME_ENCODE(&now, crtime);
1207
1208         osa->atime[0] = la->la_atime;
1209         osa->ctime[0] = la->la_ctime;
1210         osa->mtime[0] = la->la_mtime;
1211         osa->mode = la->la_mode;
1212         osa->uid = la->la_uid;
1213         osa->gid = la->la_gid;
1214         osa->rdev = la->la_rdev;
1215         osa->nlink = la->la_nlink;
1216         osa->flags = attrs_fs2zfs(la->la_flags);
1217         osa->size  = la->la_size;
1218
1219         /* Now add in all of the "SA" attributes */
1220         rc = -sa_handle_get(osd->od_os, oid, NULL, SA_HDL_PRIVATE, &sa_hdl);
1221         if (rc)
1222                 return rc;
1223
1224         /*
1225          * we need to create all SA below upon object create.
1226          *
1227          * XXX The attribute order matters since the accounting callback relies
1228          * on static offsets (i.e. SA_*_OFFSET, see zfs_space_delta_cb()) to
1229          * look up the UID/GID attributes. Moreover, the callback does not seem
1230          * to support the spill block.
1231          * We define attributes in the same order as SA_*_OFFSET in order to
1232          * work around the problem. See ORI-610.
1233          */
1234         cnt = 0;
1235         SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_MODE(osd), NULL, &osa->mode, 8);
1236         SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_SIZE(osd), NULL, &osa->size, 8);
1237         SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_GEN(osd), NULL, &gen, 8);
1238         SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_UID(osd), NULL, &osa->uid, 8);
1239         SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_GID(osd), NULL, &osa->gid, 8);
1240         SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_PARENT(osd), NULL, &parent, 8);
1241         SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_FLAGS(osd), NULL, &osa->flags, 8);
1242         SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_ATIME(osd), NULL, osa->atime, 16);
1243         SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_MTIME(osd), NULL, osa->mtime, 16);
1244         SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_CTIME(osd), NULL, osa->ctime, 16);
1245         SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_CRTIME(osd), NULL, crtime, 16);
1246         SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_LINKS(osd), NULL, &osa->nlink, 8);
1247         SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_RDEV(osd), NULL, &osa->rdev, 8);
1248         LASSERT(cnt <= ARRAY_SIZE(osd_oti_get(env)->oti_attr_bulk));
1249
1250         rc = -sa_replace_all_by_template(sa_hdl, bulk, cnt, tx);
1251
1252         sa_handle_destroy(sa_hdl);
1253         return rc;
1254 }
1255
1256 /*
1257  * The transaction passed to this routine must have
1258  * dmu_tx_hold_bonus(tx, DMU_NEW_OBJECT) called and then assigned
1259  * to a transaction group.
1260  */
1261 int __osd_object_create(const struct lu_env *env, struct osd_object *obj,
1262                         dmu_buf_t **dbp, dmu_tx_t *tx, struct lu_attr *la,
1263                         uint64_t parent)
1264 {
1265         uint64_t             oid;
1266         int                  rc;
1267         struct osd_device   *osd = osd_obj2dev(obj);
1268         const struct lu_fid *fid = lu_object_fid(&obj->oo_dt.do_lu);
1269         dmu_object_type_t    type = DMU_OT_PLAIN_FILE_CONTENTS;
1270
1271         /* Assert that the transaction has been assigned to a
1272            transaction group. */
1273         LASSERT(tx->tx_txg != 0);
1274
1275         /* Use DMU_OTN_UINT8_METADATA for local objects so their data blocks
1276          * would get an additional ditto copy */
1277         if (unlikely(S_ISREG(la->la_mode) &&
1278                      fid_seq_is_local_file(fid_seq(fid))))
1279                 type = DMU_OTN_UINT8_METADATA;
1280
1281         /* Create a new DMU object using the default dnode size. */
1282         oid = osd_dmu_object_alloc(osd->od_os, type, 0, 0, tx);
1283         rc = -sa_buf_hold(osd->od_os, oid, osd_obj_tag, dbp);
1284         LASSERTF(rc == 0, "sa_buf_hold "LPU64" failed: %d\n", oid, rc);
1285
1286         LASSERT(la->la_valid & LA_MODE);
1287         la->la_size = 0;
1288         la->la_nlink = 1;
1289
1290         rc = __osd_attr_init(env, osd, oid, tx, la, parent);
1291         if (rc != 0) {
1292                 sa_buf_rele(*dbp, osd_obj_tag);
1293                 *dbp = NULL;
1294                 dmu_object_free(osd->od_os, oid, tx);
1295                 return rc;
1296         }
1297
1298         return 0;
1299 }
1300
1301 /*
1302  * The transaction passed to this routine must have
1303  * dmu_tx_hold_zap(tx, DMU_NEW_OBJECT, ...) called and then assigned
1304  * to a transaction group.
1305  *
1306  * Using ZAP_FLAG_HASH64 will force the ZAP to always be a FAT ZAP.
1307  * This is fine for directories today, because storing the FID in the dirent
1308  * will also require a FAT ZAP.  If there is a new type of micro ZAP created
1309  * then we might need to re-evaluate the use of this flag and instead do
1310  * a conversion from the different internal ZAP hash formats being used. */
1311 int __osd_zap_create(const struct lu_env *env, struct osd_device *osd,
1312                      dmu_buf_t **zap_dbp, dmu_tx_t *tx,
1313                      struct lu_attr *la, uint64_t parent, zap_flags_t flags)
1314 {
1315         uint64_t oid;
1316         int      rc;
1317
1318         /* Assert that the transaction has been assigned to a
1319            transaction group. */
1320         LASSERT(tx->tx_txg != 0);
1321
1322         oid = osd_zap_create_flags(osd->od_os, 0, flags | ZAP_FLAG_HASH64,
1323                                    DMU_OT_DIRECTORY_CONTENTS,
1324                                    14, /* == ZFS fzap_default_blockshift */
1325                                    DN_MAX_INDBLKSHIFT, /* indirect blockshift */
1326                                    0, tx);
1327
1328         rc = -sa_buf_hold(osd->od_os, oid, osd_obj_tag, zap_dbp);
1329         if (rc)
1330                 return rc;
1331
1332         LASSERT(la->la_valid & LA_MODE);
1333         la->la_size = 2;
1334         la->la_nlink = 1;
1335
1336         return __osd_attr_init(env, osd, oid, tx, la, parent);
1337 }
1338
1339 static dmu_buf_t *osd_mkidx(const struct lu_env *env, struct osd_object *obj,
1340                             struct lu_attr *la, uint64_t parent,
1341                             struct osd_thandle *oh)
1342 {
1343         dmu_buf_t *db;
1344         int        rc;
1345
1346         /* Index file should be created as regular file in order not to confuse
1347          * ZPL which could interpret them as directory.
1348          * We set ZAP_FLAG_UINT64_KEY to let ZFS know than we are going to use
1349          * binary keys */
1350         LASSERT(S_ISREG(la->la_mode));
1351         rc = __osd_zap_create(env, osd_obj2dev(obj), &db, oh->ot_tx, la, parent,
1352                               ZAP_FLAG_UINT64_KEY);
1353         if (rc)
1354                 return ERR_PTR(rc);
1355         return db;
1356 }
1357
1358 static dmu_buf_t *osd_mkdir(const struct lu_env *env, struct osd_object *obj,
1359                             struct lu_attr *la, uint64_t parent,
1360                             struct osd_thandle *oh)
1361 {
1362         dmu_buf_t *db;
1363         int        rc;
1364
1365         LASSERT(S_ISDIR(la->la_mode));
1366         rc = __osd_zap_create(env, osd_obj2dev(obj), &db,
1367                               oh->ot_tx, la, parent, 0);
1368         if (rc)
1369                 return ERR_PTR(rc);
1370         return db;
1371 }
1372
1373 static dmu_buf_t *osd_mkreg(const struct lu_env *env, struct osd_object *obj,
1374                             struct lu_attr *la, uint64_t parent,
1375                             struct osd_thandle *oh)
1376 {
1377         const struct lu_fid *fid = lu_object_fid(&obj->oo_dt.do_lu);
1378         dmu_buf_t           *db;
1379         int                  rc;
1380         struct osd_device *osd = osd_obj2dev(obj);
1381
1382         LASSERT(S_ISREG(la->la_mode));
1383         rc = __osd_object_create(env, obj, &db, oh->ot_tx, la, parent);
1384         if (rc)
1385                 return ERR_PTR(rc);
1386
1387         /*
1388          * XXX: This heuristic is non-optimal.  It would be better to
1389          * increase the blocksize up to osd->od_max_blksz during the write.
1390          * This is exactly how the ZPL behaves and it ensures that the right
1391          * blocksize is selected based on the file size rather than the
1392          * making broad assumptions based on the osd type.
1393          */
1394         if ((fid_is_idif(fid) || fid_is_norm(fid)) && osd->od_is_ost) {
1395                 rc = -dmu_object_set_blocksize(osd->od_os, db->db_object,
1396                                                osd->od_max_blksz, 0, oh->ot_tx);
1397                 if (unlikely(rc)) {
1398                         CERROR("%s: can't change blocksize: %d\n",
1399                                osd->od_svname, rc);
1400                         return ERR_PTR(rc);
1401                 }
1402         }
1403
1404         return db;
1405 }
1406
1407 static dmu_buf_t *osd_mksym(const struct lu_env *env, struct osd_object *obj,
1408                             struct lu_attr *la, uint64_t parent,
1409                             struct osd_thandle *oh)
1410 {
1411         dmu_buf_t *db;
1412         int        rc;
1413
1414         LASSERT(S_ISLNK(la->la_mode));
1415         rc = __osd_object_create(env, obj, &db, oh->ot_tx, la, parent);
1416         if (rc)
1417                 return ERR_PTR(rc);
1418         return db;
1419 }
1420
1421 static dmu_buf_t *osd_mknod(const struct lu_env *env, struct osd_object *obj,
1422                             struct lu_attr *la, uint64_t parent,
1423                             struct osd_thandle *oh)
1424 {
1425         dmu_buf_t *db;
1426         int        rc;
1427
1428         la->la_valid = LA_MODE;
1429         if (S_ISCHR(la->la_mode) || S_ISBLK(la->la_mode))
1430                 la->la_valid |= LA_RDEV;
1431
1432         rc = __osd_object_create(env, obj, &db, oh->ot_tx, la, parent);
1433         if (rc)
1434                 return ERR_PTR(rc);
1435         return db;
1436 }
1437
1438 typedef dmu_buf_t *(*osd_obj_type_f)(const struct lu_env *env,
1439                                      struct osd_object *obj,
1440                                      struct lu_attr *la,
1441                                      uint64_t parent,
1442                                      struct osd_thandle *oh);
1443
1444 static osd_obj_type_f osd_create_type_f(enum dt_format_type type)
1445 {
1446         osd_obj_type_f result;
1447
1448         switch (type) {
1449         case DFT_DIR:
1450                 result = osd_mkdir;
1451                 break;
1452         case DFT_INDEX:
1453                 result = osd_mkidx;
1454                 break;
1455         case DFT_REGULAR:
1456                 result = osd_mkreg;
1457                 break;
1458         case DFT_SYM:
1459                 result = osd_mksym;
1460                 break;
1461         case DFT_NODE:
1462                 result = osd_mknod;
1463                 break;
1464         default:
1465                 LBUG();
1466                 break;
1467         }
1468         return result;
1469 }
1470
1471 /*
1472  * Primitives for directory (i.e. ZAP) handling
1473  */
1474 static inline int osd_init_lma(const struct lu_env *env, struct osd_object *obj,
1475                                const struct lu_fid *fid, struct osd_thandle *oh)
1476 {
1477         struct osd_thread_info  *info = osd_oti_get(env);
1478         struct lustre_mdt_attrs *lma = &info->oti_mdt_attrs;
1479         struct lu_buf            buf;
1480         int rc;
1481
1482         lustre_lma_init(lma, fid, 0, 0);
1483         lustre_lma_swab(lma);
1484         buf.lb_buf = lma;
1485         buf.lb_len = sizeof(*lma);
1486
1487         rc = osd_xattr_set_internal(env, obj, &buf, XATTR_NAME_LMA,
1488                                     LU_XATTR_CREATE, oh);
1489
1490         return rc;
1491 }
1492
1493 /*
1494  * Concurrency: @dt is write locked.
1495  */
1496 static int osd_object_create(const struct lu_env *env, struct dt_object *dt,
1497                              struct lu_attr *attr,
1498                              struct dt_allocation_hint *hint,
1499                              struct dt_object_format *dof,
1500                              struct thandle *th)
1501 {
1502         struct zpl_direntry     *zde = &osd_oti_get(env)->oti_zde.lzd_reg;
1503         const struct lu_fid     *fid = lu_object_fid(&dt->do_lu);
1504         struct osd_object       *obj = osd_dt_obj(dt);
1505         struct osd_device       *osd = osd_obj2dev(obj);
1506         char                    *buf = osd_oti_get(env)->oti_str;
1507         struct osd_thandle      *oh;
1508         dmu_buf_t               *db;
1509         uint64_t                 zapid;
1510         int                      rc;
1511
1512         ENTRY;
1513
1514         /* concurrent create declarations should not see
1515          * the object inconsistent (db, attr, etc).
1516          * in regular cases acquisition should be cheap */
1517         down_write(&obj->oo_guard);
1518
1519         if (unlikely(dt_object_exists(dt)))
1520                 GOTO(out, rc = -EEXIST);
1521
1522         LASSERT(osd_invariant(obj));
1523         LASSERT(dof != NULL);
1524
1525         LASSERT(th != NULL);
1526         oh = container_of0(th, struct osd_thandle, ot_super);
1527
1528         /*
1529          * XXX missing: Quote handling.
1530          */
1531
1532         LASSERT(obj->oo_db == NULL);
1533
1534         /* to follow ZFS on-disk format we need
1535          * to initialize parent dnode properly */
1536         zapid = 0;
1537         if (hint != NULL && hint->dah_parent != NULL &&
1538             !dt_object_remote(hint->dah_parent))
1539                 zapid = osd_dt_obj(hint->dah_parent)->oo_db->db_object;
1540
1541         db = osd_create_type_f(dof->dof_type)(env, obj, attr, zapid, oh);
1542         if (IS_ERR(db))
1543                 GOTO(out, rc = PTR_ERR(db));
1544
1545         zde->zde_pad = 0;
1546         zde->zde_dnode = db->db_object;
1547         zde->zde_type = IFTODT(attr->la_mode & S_IFMT);
1548
1549         zapid = osd_get_name_n_idx(env, osd, fid, buf);
1550
1551         rc = -zap_add(osd->od_os, zapid, buf, 8, 1, zde, oh->ot_tx);
1552         if (rc)
1553                 GOTO(out, rc);
1554
1555         /* Add new object to inode accounting.
1556          * Errors are not considered as fatal */
1557         rc = -zap_increment_int(osd->od_os, osd->od_iusr_oid,
1558                                 (attr->la_valid & LA_UID) ? attr->la_uid : 0, 1,
1559                                 oh->ot_tx);
1560         if (rc)
1561                 CERROR("%s: failed to add "DFID" to accounting ZAP for usr %d "
1562                         "(%d)\n", osd->od_svname, PFID(fid), attr->la_uid, rc);
1563         rc = -zap_increment_int(osd->od_os, osd->od_igrp_oid,
1564                                 (attr->la_valid & LA_GID) ? attr->la_gid : 0, 1,
1565                                 oh->ot_tx);
1566         if (rc)
1567                 CERROR("%s: failed to add "DFID" to accounting ZAP for grp %d "
1568                         "(%d)\n", osd->od_svname, PFID(fid), attr->la_gid, rc);
1569
1570         /* configure new osd object */
1571         obj->oo_db = db;
1572         rc = osd_object_init0(env, obj);
1573         LASSERT(ergo(rc == 0, dt_object_exists(dt)));
1574         LASSERT(osd_invariant(obj));
1575
1576         rc = osd_init_lma(env, obj, fid, oh);
1577         if (rc != 0)
1578                 CERROR("%s: can not set LMA on "DFID": rc = %d\n",
1579                        osd->od_svname, PFID(fid), rc);
1580
1581 out:
1582         up_write(&obj->oo_guard);
1583         RETURN(rc);
1584 }
1585
1586 static int osd_declare_object_ref_add(const struct lu_env *env,
1587                                       struct dt_object *dt,
1588                                       struct thandle *th)
1589 {
1590         return osd_declare_attr_set(env, dt, NULL, th);
1591 }
1592
1593 /*
1594  * Concurrency: @dt is write locked.
1595  */
1596 static int osd_object_ref_add(const struct lu_env *env,
1597                               struct dt_object *dt,
1598                               struct thandle *handle)
1599 {
1600         struct osd_object       *obj = osd_dt_obj(dt);
1601         struct osd_thandle      *oh;
1602         struct osd_device       *osd = osd_obj2dev(obj);
1603         uint64_t                 nlink;
1604         int rc;
1605
1606         ENTRY;
1607
1608         down_read(&obj->oo_guard);
1609         if (unlikely(!dt_object_exists(dt) || obj->oo_destroyed))
1610                 GOTO(out, rc = -ENOENT);
1611
1612         LASSERT(osd_invariant(obj));
1613         LASSERT(obj->oo_sa_hdl != NULL);
1614
1615         oh = container_of0(handle, struct osd_thandle, ot_super);
1616
1617         write_lock(&obj->oo_attr_lock);
1618         nlink = ++obj->oo_attr.la_nlink;
1619         write_unlock(&obj->oo_attr_lock);
1620
1621         rc = osd_object_sa_update(obj, SA_ZPL_LINKS(osd), &nlink, 8, oh);
1622
1623 out:
1624         up_read(&obj->oo_guard);
1625         RETURN(rc);
1626 }
1627
1628 static int osd_declare_object_ref_del(const struct lu_env *env,
1629                                       struct dt_object *dt,
1630                                       struct thandle *handle)
1631 {
1632         return osd_declare_attr_set(env, dt, NULL, handle);
1633 }
1634
1635 /*
1636  * Concurrency: @dt is write locked.
1637  */
1638 static int osd_object_ref_del(const struct lu_env *env,
1639                               struct dt_object *dt,
1640                               struct thandle *handle)
1641 {
1642         struct osd_object       *obj = osd_dt_obj(dt);
1643         struct osd_thandle      *oh;
1644         struct osd_device       *osd = osd_obj2dev(obj);
1645         uint64_t                 nlink;
1646         int                      rc;
1647
1648         ENTRY;
1649
1650         down_read(&obj->oo_guard);
1651
1652         if (unlikely(!dt_object_exists(dt) || obj->oo_destroyed))
1653                 GOTO(out, rc = -ENOENT);
1654
1655         LASSERT(osd_invariant(obj));
1656         LASSERT(obj->oo_sa_hdl != NULL);
1657
1658         oh = container_of0(handle, struct osd_thandle, ot_super);
1659         LASSERT(!lu_object_is_dying(dt->do_lu.lo_header));
1660
1661         write_lock(&obj->oo_attr_lock);
1662         nlink = --obj->oo_attr.la_nlink;
1663         write_unlock(&obj->oo_attr_lock);
1664
1665         rc = osd_object_sa_update(obj, SA_ZPL_LINKS(osd), &nlink, 8, oh);
1666
1667 out:
1668         up_read(&obj->oo_guard);
1669         RETURN(rc);
1670 }
1671
1672 static int osd_object_sync(const struct lu_env *env, struct dt_object *dt,
1673                            __u64 start, __u64 end)
1674 {
1675         struct osd_device *osd = osd_obj2dev(osd_dt_obj(dt));
1676         ENTRY;
1677
1678         /* XXX: no other option than syncing the whole filesystem until we
1679          * support ZIL.  If the object tracked the txg that it was last
1680          * modified in, it could pass that txg here instead of "0".  Maybe
1681          * the changes are already committed, so no wait is needed at all? */
1682         txg_wait_synced(dmu_objset_pool(osd->od_os), 0ULL);
1683
1684         RETURN(0);
1685 }
1686
1687 static int osd_invalidate(const struct lu_env *env, struct dt_object *dt)
1688 {
1689         return 0;
1690 }
1691
1692 static struct dt_object_operations osd_obj_ops = {
1693         .do_read_lock           = osd_object_read_lock,
1694         .do_write_lock          = osd_object_write_lock,
1695         .do_read_unlock         = osd_object_read_unlock,
1696         .do_write_unlock        = osd_object_write_unlock,
1697         .do_write_locked        = osd_object_write_locked,
1698         .do_attr_get            = osd_attr_get,
1699         .do_declare_attr_set    = osd_declare_attr_set,
1700         .do_attr_set            = osd_attr_set,
1701         .do_ah_init             = osd_ah_init,
1702         .do_declare_create      = osd_declare_object_create,
1703         .do_create              = osd_object_create,
1704         .do_declare_destroy     = osd_declare_object_destroy,
1705         .do_destroy             = osd_object_destroy,
1706         .do_index_try           = osd_index_try,
1707         .do_declare_ref_add     = osd_declare_object_ref_add,
1708         .do_ref_add             = osd_object_ref_add,
1709         .do_declare_ref_del     = osd_declare_object_ref_del,
1710         .do_ref_del             = osd_object_ref_del,
1711         .do_xattr_get           = osd_xattr_get,
1712         .do_declare_xattr_set   = osd_declare_xattr_set,
1713         .do_xattr_set           = osd_xattr_set,
1714         .do_declare_xattr_del   = osd_declare_xattr_del,
1715         .do_xattr_del           = osd_xattr_del,
1716         .do_xattr_list          = osd_xattr_list,
1717         .do_object_sync         = osd_object_sync,
1718         .do_invalidate          = osd_invalidate,
1719 };
1720
1721 static struct lu_object_operations osd_lu_obj_ops = {
1722         .loo_object_init        = osd_object_init,
1723         .loo_object_delete      = osd_object_delete,
1724         .loo_object_release     = osd_object_release,
1725         .loo_object_free        = osd_object_free,
1726         .loo_object_print       = osd_object_print,
1727         .loo_object_invariant   = osd_object_invariant,
1728 };
1729
1730 static int osd_otable_it_attr_get(const struct lu_env *env,
1731                                 struct dt_object *dt,
1732                                 struct lu_attr *attr)
1733 {
1734         attr->la_valid = 0;
1735         return 0;
1736 }
1737
1738 static struct dt_object_operations osd_obj_otable_it_ops = {
1739         .do_attr_get    = osd_otable_it_attr_get,
1740         .do_index_try   = osd_index_try,
1741 };