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 /*
  31  * Copyright (c) 2012, 2013, Intel Corporation.
  32  * Use is subject to license terms.
  33  */
  34 /*
  35  * This file is part of Lustre, http://www.lustre.org/
  36  * Lustre is a trademark of Sun Microsystems, Inc.
  37  *
  38  * lustre/osd-zfs/osd_object.c
  39  *
  40  * Author: Alex Zhuravlev <bzzz@whamcloud.com>
  41  * Author: Mike Pershin <tappro@whamcloud.com>
  42  * Author: Johann Lombardi <johann@whamcloud.com>
  43  */
  44
  45 #define DEBUG_SUBSYSTEM S_OSD
  46
  47 #include <lustre_ver.h>
  48 #include <libcfs/libcfs.h>
  49 #include <obd_support.h>
  50 #include <lustre_net.h>
  51 #include <obd.h>
  52 #include <obd_class.h>
  53 #include <lustre_disk.h>
  54 #include <lustre_fid.h>
  55
  56 #include "osd_internal.h"
  57
  58 #include <sys/dnode.h>
  59 #include <sys/dbuf.h>
  60 #include <sys/spa.h>
  61 #include <sys/stat.h>
  62 #include <sys/zap.h>
  63 #include <sys/spa_impl.h>
  64 #include <sys/zfs_znode.h>
  65 #include <sys/dmu_tx.h>
  66 #include <sys/dmu_objset.h>
  67 #include <sys/dsl_prop.h>
  68 #include <sys/sa_impl.h>
  69 #include <sys/txg.h>
  70
  71 char *osd_obj_tag = "osd_object";
  72
  73 static struct dt_object_operations osd_obj_ops;
  74 static struct lu_object_operations osd_lu_obj_ops;
  75 extern struct dt_body_operations osd_body_ops;
  76 static struct dt_object_operations osd_obj_otable_it_ops;
  77
  78 extern struct kmem_cache *osd_object_kmem;
  79
  80 static void
  81 osd_object_sa_fini(struct osd_object *obj)
  82 {
  83         if (obj->oo_sa_hdl) {
  84                 sa_handle_destroy(obj->oo_sa_hdl);
  85                 obj->oo_sa_hdl = NULL;
  86         }
  87 }
  88
  89 static int
  90 osd_object_sa_init(struct osd_object *obj, struct osd_device *o)
  91 {
  92         int rc;
  93
  94         LASSERT(obj->oo_sa_hdl == NULL);
  95         LASSERT(obj->oo_db != NULL);
  96
  97         rc = -sa_handle_get(o->od_os, obj->oo_db->db_object, obj,
  98                             SA_HDL_PRIVATE, &obj->oo_sa_hdl);
  99         if (rc)
 100                 return rc;
 101
 102         /* Cache the xattr object id, valid for the life of the object */
 103         rc = -sa_lookup(obj->oo_sa_hdl, SA_ZPL_XATTR(o), &obj->oo_xattr, 8);
 104         if (rc == -ENOENT) {
 105                 obj->oo_xattr = ZFS_NO_OBJECT;
 106                 rc = 0;
 107         } else if (rc) {
 108                 osd_object_sa_fini(obj);
 109         }
 110
 111         return rc;
 112 }
 113
 114 /*
 115  * Add object to list of dirty objects in tx handle.
 116  */
 117 static void
 118 osd_object_sa_dirty_add(struct osd_object *obj, struct osd_thandle *oh)
 119 {
 120         if (!list_empty(&obj->oo_sa_linkage))
 121                 return;
 122
 123         down(&oh->ot_sa_lock);
 124         write_lock(&obj->oo_attr_lock);
 125         if (likely(list_empty(&obj->oo_sa_linkage)))
 126                 list_add(&obj->oo_sa_linkage, &oh->ot_sa_list);
 127         write_unlock(&obj->oo_attr_lock);
 128         up(&oh->ot_sa_lock);
 129 }
 130
 131 /*
 132  * Release spill block dbuf hold for all dirty SAs.
 133  */
 134 void osd_object_sa_dirty_rele(struct osd_thandle *oh)
 135 {
 136         struct osd_object *obj;
 137
 138         down(&oh->ot_sa_lock);
 139         while (!list_empty(&oh->ot_sa_list)) {
 140                 obj = list_entry(oh->ot_sa_list.next,
 141                                      struct osd_object, oo_sa_linkage);
 142                 sa_spill_rele(obj->oo_sa_hdl);
 143                 write_lock(&obj->oo_attr_lock);
 144                 list_del_init(&obj->oo_sa_linkage);
 145                 write_unlock(&obj->oo_attr_lock);
 146         }
 147         up(&oh->ot_sa_lock);
 148 }
 149
 150 /*
 151  * Update the SA and add the object to the dirty list.
 152  */
 153 int osd_object_sa_update(struct osd_object *obj, sa_attr_type_t type,
 154                          void *buf, uint32_t buflen, struct osd_thandle *oh)
 155 {
 156         int rc;
 157
 158         LASSERT(obj->oo_sa_hdl != NULL);
 159         LASSERT(oh->ot_tx != NULL);
 160
 161         rc = -sa_update(obj->oo_sa_hdl, type, buf, buflen, oh->ot_tx);
 162         osd_object_sa_dirty_add(obj, oh);
 163
 164         return rc;
 165 }
 166
 167 /*
 168  * Bulk update the SA and add the object to the dirty list.
 169  */
 170 static int
 171 osd_object_sa_bulk_update(struct osd_object *obj, sa_bulk_attr_t *attrs,
 172                           int count, struct osd_thandle *oh)
 173 {
 174         int rc;
 175
 176         LASSERT(obj->oo_sa_hdl != NULL);
 177         LASSERT(oh->ot_tx != NULL);
 178
 179         rc = -sa_bulk_update(obj->oo_sa_hdl, attrs, count, oh->ot_tx);
 180         osd_object_sa_dirty_add(obj, oh);
 181
 182         return rc;
 183 }
 184
 185 /*
 186  * Retrieve the attributes of a DMU object
 187  */
 188 int __osd_object_attr_get(const struct lu_env *env, struct osd_device *o,
 189                           struct osd_object *obj, struct lu_attr *la)
 190 {
 191         struct osa_attr *osa = &osd_oti_get(env)->oti_osa;
 192         sa_handle_t     *sa_hdl;
 193         sa_bulk_attr_t  *bulk;
 194         int              cnt = 0;
 195         int              rc;
 196         ENTRY;
 197
 198         LASSERT(obj->oo_db != NULL);
 199
 200         rc = -sa_handle_get(o->od_os, obj->oo_db->db_object, NULL,
 201                             SA_HDL_PRIVATE, &sa_hdl);
 202         if (rc)
 203                 RETURN(rc);
 204
 205         OBD_ALLOC(bulk, sizeof(sa_bulk_attr_t) * 9);
 206         if (bulk == NULL)
 207                 GOTO(out_sa, rc = -ENOMEM);
 208
 209         la->la_valid |= LA_ATIME | LA_MTIME | LA_CTIME | LA_MODE | LA_TYPE |
 210                         LA_SIZE | LA_UID | LA_GID | LA_FLAGS | LA_NLINK;
 211
 212         SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_ATIME(o), NULL, osa->atime, 16);
 213         SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_MTIME(o), NULL, osa->mtime, 16);
 214         SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_CTIME(o), NULL, osa->ctime, 16);
 215         SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_MODE(o), NULL, &osa->mode, 8);
 216         SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_SIZE(o), NULL, &osa->size, 8);
 217         SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_LINKS(o), NULL, &osa->nlink, 8);
 218         SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_UID(o), NULL, &osa->uid, 8);
 219         SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_GID(o), NULL, &osa->gid, 8);
 220         SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_FLAGS(o), NULL, &osa->flags, 8);
 221
 222         rc = -sa_bulk_lookup(sa_hdl, bulk, cnt);
 223         if (rc)
 224                 GOTO(out_bulk, rc);
 225
 226         la->la_atime = osa->atime[0];
 227         la->la_mtime = osa->mtime[0];
 228         la->la_ctime = osa->ctime[0];
 229         la->la_mode = osa->mode;
 230         la->la_uid = osa->uid;
 231         la->la_gid = osa->gid;
 232         la->la_nlink = osa->nlink;
 233         la->la_flags = attrs_zfs2fs(osa->flags);
 234         la->la_size = osa->size;
 235
 236         if (S_ISCHR(la->la_mode) || S_ISBLK(la->la_mode)) {
 237                 rc = -sa_lookup(sa_hdl, SA_ZPL_RDEV(o), &osa->rdev, 8);
 238                 if (rc)
 239                         GOTO(out_bulk, rc);
 240                 la->la_rdev = osa->rdev;
 241                 la->la_valid |= LA_RDEV;
 242         }
 243 out_bulk:
 244         OBD_FREE(bulk, sizeof(sa_bulk_attr_t) * 9);
 245 out_sa:
 246         sa_handle_destroy(sa_hdl);
 247
 248         RETURN(rc);
 249 }
 250
 251 int __osd_obj2dbuf(const struct lu_env *env, objset_t *os,
 252                    uint64_t oid, dmu_buf_t **dbp)
 253 {
 254         dmu_object_info_t *doi = &osd_oti_get(env)->oti_doi;
 255         int rc;
 256
 257         rc = -sa_buf_hold(os, oid, osd_obj_tag, dbp);
 258         if (rc)
 259                 return rc;
 260
 261         dmu_object_info_from_db(*dbp, doi);
 262         if (unlikely (oid != DMU_USERUSED_OBJECT &&
 263             oid != DMU_GROUPUSED_OBJECT && doi->doi_bonus_type != DMU_OT_SA)) {
 264                 sa_buf_rele(*dbp, osd_obj_tag);
 265                 *dbp = NULL;
 266                 return -EINVAL;
 267         }
 268
 269         LASSERT(*dbp);
 270         LASSERT((*dbp)->db_object == oid);
 271         LASSERT((*dbp)->db_offset == -1);
 272         LASSERT((*dbp)->db_data != NULL);
 273
 274         return 0;
 275 }
 276
 277 /*
 278  * Concurrency: no concurrent access is possible that early in object
 279  * life-cycle.
 280  */
 281 struct lu_object *osd_object_alloc(const struct lu_env *env,
 282                                    const struct lu_object_header *hdr,
 283                                    struct lu_device *d)
 284 {
 285         struct osd_object *mo;
 286
 287         OBD_SLAB_ALLOC_PTR_GFP(mo, osd_object_kmem, GFP_NOFS);
 288         if (mo != NULL) {
 289                 struct lu_object *l;
 290
 291                 l = &mo->oo_dt.do_lu;
 292                 dt_object_init(&mo->oo_dt, NULL, d);
 293                 mo->oo_dt.do_ops = &osd_obj_ops;
 294                 l->lo_ops = &osd_lu_obj_ops;
 295                 INIT_LIST_HEAD(&mo->oo_sa_linkage);
 296                 init_rwsem(&mo->oo_sem);
 297                 sema_init(&mo->oo_guard, 1);
 298                 rwlock_init(&mo->oo_attr_lock);
 299                 return l;
 300         } else {
 301                 return NULL;
 302         }
 303 }
 304
 305 /*
 306  * Concurrency: shouldn't matter.
 307  */
 308 int osd_object_init0(const struct lu_env *env, struct osd_object *obj)
 309 {
 310         struct osd_device       *osd = osd_obj2dev(obj);
 311         const struct lu_fid     *fid  = lu_object_fid(&obj->oo_dt.do_lu);
 312         int                      rc = 0;
 313         ENTRY;
 314
 315         if (obj->oo_db == NULL)
 316                 RETURN(0);
 317
 318         /* object exist */
 319
 320         rc = osd_object_sa_init(obj, osd);
 321         if (rc)
 322                 RETURN(rc);
 323
 324         /* cache attrs in object */
 325         rc = __osd_object_attr_get(env, osd, obj, &obj->oo_attr);
 326         if (rc)
 327                 RETURN(rc);
 328
 329         if (likely(!fid_is_acct(fid)))
 330                 /* no body operations for accounting objects */
 331                 obj->oo_dt.do_body_ops = &osd_body_ops;
 332
 333         /*
 334          * initialize object before marking it existing
 335          */
 336         obj->oo_dt.do_lu.lo_header->loh_attr |= obj->oo_attr.la_mode & S_IFMT;
 337
 338         smp_mb();
 339         obj->oo_dt.do_lu.lo_header->loh_attr |= LOHA_EXISTS;
 340
 341         RETURN(0);
 342 }
 343
 344 static int osd_check_lma(const struct lu_env *env, struct osd_object *obj)
 345 {
 346         struct osd_thread_info  *info = osd_oti_get(env);
 347         struct lu_buf           buf;
 348         int                     rc;
 349         struct lustre_mdt_attrs *lma;
 350         ENTRY;
 351
 352         CLASSERT(sizeof(info->oti_buf) >= sizeof(*lma));
 353         lma = (struct lustre_mdt_attrs *)info->oti_buf;
 354         buf.lb_buf = lma;
 355         buf.lb_len = sizeof(info->oti_buf);
 356
 357         rc = osd_xattr_get(env, &obj->oo_dt, &buf, XATTR_NAME_LMA, BYPASS_CAPA);
 358         if (rc > 0) {
 359                 rc = 0;
 360                 lustre_lma_swab(lma);
 361                 if (unlikely((lma->lma_incompat & ~LMA_INCOMPAT_SUPP) ||
 362                              CFS_FAIL_CHECK(OBD_FAIL_OSD_LMA_INCOMPAT))) {
 363                         CWARN("%s: unsupported incompat LMA feature(s) %#x for "
 364                               "fid = "DFID"\n", osd_obj2dev(obj)->od_svname,
 365                               lma->lma_incompat & ~LMA_INCOMPAT_SUPP,
 366                               PFID(lu_object_fid(&obj->oo_dt.do_lu)));
 367                         rc = -EOPNOTSUPP;
 368                 }
 369         } else if (rc == -ENODATA) {
 370                 /* haven't initialize LMA xattr */
 371                 rc = 0;
 372         }
 373
 374         RETURN(rc);
 375 }
 376
 377 /*
 378  * Concurrency: no concurrent access is possible that early in object
 379  * life-cycle.
 380  */
 381 static int osd_object_init(const struct lu_env *env, struct lu_object *l,
 382                            const struct lu_object_conf *conf)
 383 {
 384         struct osd_object       *obj = osd_obj(l);
 385         struct osd_device       *osd = osd_obj2dev(obj);
 386         uint64_t                 oid;
 387         int                      rc;
 388         ENTRY;
 389
 390         LASSERT(osd_invariant(obj));
 391
 392         if (fid_is_otable_it(&l->lo_header->loh_fid)) {
 393                 obj->oo_dt.do_ops = &osd_obj_otable_it_ops;
 394                 l->lo_header->loh_attr |= LOHA_EXISTS;
 395                 RETURN(0);
 396         }
 397
 398         rc = osd_fid_lookup(env, osd, lu_object_fid(l), &oid);
 399         if (rc == 0) {
 400                 LASSERT(obj->oo_db == NULL);
 401                 rc = __osd_obj2dbuf(env, osd->od_os, oid, &obj->oo_db);
 402                 if (rc != 0) {
 403                         CERROR("%s: lookup "DFID"/"LPX64" failed: rc = %d\n",
 404                                osd->od_svname, PFID(lu_object_fid(l)), oid, rc);
 405                         GOTO(out, rc);
 406                 }
 407                 LASSERT(obj->oo_db);
 408                 rc = osd_object_init0(env, obj);
 409                 if (rc != 0)
 410                         GOTO(out, rc);
 411
 412                 rc = osd_check_lma(env, obj);
 413                 if (rc != 0)
 414                         GOTO(out, rc);
 415         } else if (rc == -ENOENT) {
 416                 rc = 0;
 417         }
 418         LASSERT(osd_invariant(obj));
 419 out:
 420         RETURN(rc);
 421 }
 422
 423 /*
 424  * Concurrency: no concurrent access is possible that late in object
 425  * life-cycle.
 426  */
 427 static void osd_object_free(const struct lu_env *env, struct lu_object *l)
 428 {
 429         struct osd_object *obj = osd_obj(l);
 430
 431         LASSERT(osd_invariant(obj));
 432
 433         dt_object_fini(&obj->oo_dt);
 434         OBD_SLAB_FREE_PTR(obj, osd_object_kmem);
 435 }
 436
 437 static void __osd_declare_object_destroy(const struct lu_env *env,
 438                                          struct osd_object *obj,
 439                                          struct osd_thandle *oh)
 440 {
 441         struct osd_device       *osd = osd_obj2dev(obj);
 442         dmu_buf_t               *db = obj->oo_db;
 443         zap_attribute_t         *za = &osd_oti_get(env)->oti_za;
 444         uint64_t                 oid = db->db_object, xid;
 445         dmu_tx_t                *tx = oh->ot_tx;
 446         zap_cursor_t            *zc;
 447         int                      rc = 0;
 448
 449         dmu_tx_hold_free(tx, oid, 0, DMU_OBJECT_END);
 450
 451         /* zap holding xattrs */
 452         if (obj->oo_xattr != ZFS_NO_OBJECT) {
 453                 oid = obj->oo_xattr;
 454
 455                 dmu_tx_hold_free(tx, oid, 0, DMU_OBJECT_END);
 456
 457                 rc = osd_zap_cursor_init(&zc, osd->od_os, oid, 0);
 458                 if (rc)
 459                         goto out;
 460
 461                 while ((rc = -zap_cursor_retrieve(zc, za)) == 0) {
 462                         BUG_ON(za->za_integer_length != sizeof(uint64_t));
 463                         BUG_ON(za->za_num_integers != 1);
 464
 465                         rc = -zap_lookup(osd->od_os, obj->oo_xattr, za->za_name,
 466                                          sizeof(uint64_t), 1, &xid);
 467                         if (rc) {
 468                                 CERROR("%s: xattr lookup failed: rc = %d\n",
 469                                        osd->od_svname, rc);
 470                                 goto out_err;
 471                         }
 472                         dmu_tx_hold_free(tx, xid, 0, DMU_OBJECT_END);
 473
 474                         zap_cursor_advance(zc);
 475                 }
 476                 if (rc == -ENOENT)
 477                         rc = 0;
 478 out_err:
 479                 osd_zap_cursor_fini(zc);
 480         }
 481 out:
 482         if (rc && tx->tx_err == 0)
 483                 tx->tx_err = -rc;
 484 }
 485
 486 static int osd_declare_object_destroy(const struct lu_env *env,
 487                                       struct dt_object *dt,
 488                                       struct thandle *th)
 489 {
 490         char                    *buf = osd_oti_get(env)->oti_str;
 491         const struct lu_fid     *fid = lu_object_fid(&dt->do_lu);
 492         struct osd_object       *obj = osd_dt_obj(dt);
 493         struct osd_device       *osd = osd_obj2dev(obj);
 494         struct osd_thandle      *oh;
 495         uint64_t                 zapid;
 496         int                      rc;
 497         ENTRY;
 498
 499         LASSERT(th != NULL);
 500         LASSERT(dt_object_exists(dt));
 501
 502         oh = container_of0(th, struct osd_thandle, ot_super);
 503         LASSERT(oh->ot_tx != NULL);
 504
 505         /* declare that we'll destroy the object */
 506         __osd_declare_object_destroy(env, obj, oh);
 507
 508         /* declare that we'll remove object from fid-dnode mapping */
 509         zapid = osd_get_name_n_idx(env, osd, fid, buf);
 510         dmu_tx_hold_bonus(oh->ot_tx, zapid);
 511         dmu_tx_hold_zap(oh->ot_tx, zapid, 0, buf);
 512
 513         /* declare that we'll remove object from inode accounting ZAPs */
 514         dmu_tx_hold_bonus(oh->ot_tx, osd->od_iusr_oid);
 515         dmu_tx_hold_zap(oh->ot_tx, osd->od_iusr_oid, 0, buf);
 516         dmu_tx_hold_bonus(oh->ot_tx, osd->od_igrp_oid);
 517         dmu_tx_hold_zap(oh->ot_tx, osd->od_igrp_oid, 0, buf);
 518
 519         /* one less inode */
 520         rc = osd_declare_quota(env, osd, obj->oo_attr.la_uid,
 521                                obj->oo_attr.la_gid, -1, oh, false, NULL, false);
 522         if (rc)
 523                 RETURN(rc);
 524
 525         /* data to be truncated */
 526         rc = osd_declare_quota(env, osd, obj->oo_attr.la_uid,
 527                                obj->oo_attr.la_gid, 0, oh, true, NULL, false);
 528         RETURN(rc);
 529 }
 530
 531 /*
 532  * Delete a DMU object
 533  *
 534  * The transaction passed to this routine must have
 535  * dmu_tx_hold_free(tx, oid, 0, DMU_OBJECT_END) called
 536  * and then assigned to a transaction group.
 537  *
 538  * This will release db and set it to NULL to prevent further dbuf releases.
 539  */
 540 static int __osd_object_destroy(const struct lu_env *env,
 541                                 struct osd_object *obj,
 542                                 dmu_tx_t *tx, void *tag)
 543 {
 544         struct osd_device       *osd = osd_obj2dev(obj);
 545         uint64_t                 xid;
 546         zap_attribute_t         *za = &osd_oti_get(env)->oti_za;
 547         zap_cursor_t            *zc;
 548         int                      rc;
 549
 550         /* Assert that the transaction has been assigned to a
 551            transaction group. */
 552         LASSERT(tx->tx_txg != 0);
 553
 554         /* zap holding xattrs */
 555         if (obj->oo_xattr != ZFS_NO_OBJECT) {
 556                 rc = osd_zap_cursor_init(&zc, osd->od_os, obj->oo_xattr, 0);
 557                 if (rc)
 558                         return rc;
 559                 while ((rc = -zap_cursor_retrieve(zc, za)) == 0) {
 560                         BUG_ON(za->za_integer_length != sizeof(uint64_t));
 561                         BUG_ON(za->za_num_integers != 1);
 562
 563                         rc = -zap_lookup(osd->od_os, obj->oo_xattr, za->za_name,
 564                                          sizeof(uint64_t), 1, &xid);
 565                         if (rc) {
 566                                 CERROR("%s: lookup xattr %s failed: rc = %d\n",
 567                                        osd->od_svname, za->za_name, rc);
 568                                 continue;
 569                         }
 570                         rc = -dmu_object_free(osd->od_os, xid, tx);
 571                         if (rc)
 572                                 CERROR("%s: fetch xattr %s failed: rc = %d\n",
 573                                        osd->od_svname, za->za_name, rc);
 574                         zap_cursor_advance(zc);
 575                 }
 576                 osd_zap_cursor_fini(zc);
 577
 578                 rc = -dmu_object_free(osd->od_os, obj->oo_xattr, tx);
 579                 if (rc)
 580                         CERROR("%s: freeing xattr failed: rc = %d\n",
 581                                osd->od_svname, rc);
 582         }
 583
 584         return -dmu_object_free(osd->od_os, obj->oo_db->db_object, tx);
 585 }
 586
 587 static int osd_object_destroy(const struct lu_env *env,
 588                               struct dt_object *dt,
 589                               struct thandle *th)
 590 {
 591         char                    *buf = osd_oti_get(env)->oti_str;
 592         struct osd_object       *obj = osd_dt_obj(dt);
 593         struct osd_device       *osd = osd_obj2dev(obj);
 594         const struct lu_fid     *fid = lu_object_fid(&dt->do_lu);
 595         struct osd_thandle      *oh;
 596         int                      rc;
 597         uint64_t                 zapid;
 598         ENTRY;
 599
 600         LASSERT(obj->oo_db != NULL);
 601         LASSERT(dt_object_exists(dt));
 602         LASSERT(!lu_object_is_dying(dt->do_lu.lo_header));
 603
 604         oh = container_of0(th, struct osd_thandle, ot_super);
 605         LASSERT(oh != NULL);
 606         LASSERT(oh->ot_tx != NULL);
 607
 608         zapid = osd_get_name_n_idx(env, osd, fid, buf);
 609
 610         /* remove obj ref from index dir (it depends) */
 611         rc = -zap_remove(osd->od_os, zapid, buf, oh->ot_tx);
 612         if (rc) {
 613                 CERROR("%s: zap_remove() failed: rc = %d\n",
 614                        osd->od_svname, rc);
 615                 GOTO(out, rc);
 616         }
 617
 618         /* Remove object from inode accounting. It is not fatal for the destroy
 619          * operation if something goes wrong while updating accounting, but we
 620          * still log an error message to notify the administrator */
 621         rc = -zap_increment_int(osd->od_os, osd->od_iusr_oid,
 622                         obj->oo_attr.la_uid, -1, oh->ot_tx);
 623         if (rc)
 624                 CERROR("%s: failed to remove "DFID" from accounting ZAP for usr"
 625                         " %d: rc = %d\n", osd->od_svname, PFID(fid),
 626                         obj->oo_attr.la_uid, rc);
 627         rc = -zap_increment_int(osd->od_os, osd->od_igrp_oid,
 628                                 obj->oo_attr.la_gid, -1, oh->ot_tx);
 629         if (rc)
 630                 CERROR("%s: failed to remove "DFID" from accounting ZAP for grp"
 631                         " %d: rc = %d\n", osd->od_svname, PFID(fid),
 632                         obj->oo_attr.la_gid, rc);
 633
 634         /* kill object */
 635         rc = __osd_object_destroy(env, obj, oh->ot_tx, osd_obj_tag);
 636         if (rc) {
 637                 CERROR("%s: __osd_object_destroy() failed: rc = %d\n",
 638                        osd->od_svname, rc);
 639                 GOTO(out, rc);
 640         }
 641
 642 out:
 643         /* not needed in the cache anymore */
 644         set_bit(LU_OBJECT_HEARD_BANSHEE, &dt->do_lu.lo_header->loh_flags);
 645
 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(&obj->oo_sem);
 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(&obj->oo_sem);
 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                         struct lustre_capa *capa)
 741 {
 742         struct osd_object       *obj = osd_dt_obj(dt);
 743         uint64_t                 blocks;
 744         uint32_t                 blksize;
 745
 746         LASSERT(dt_object_exists(dt));
 747         LASSERT(osd_invariant(obj));
 748         LASSERT(obj->oo_db);
 749
 750         read_lock(&obj->oo_attr_lock);
 751         *attr = obj->oo_attr;
 752         read_unlock(&obj->oo_attr_lock);
 753
 754         /* with ZFS_DEBUG zrl_add_debug() called by DB_DNODE_ENTER()
 755          * from within sa_object_size() can block on a mutex, so
 756          * we can't call sa_object_size() holding rwlock */
 757         sa_object_size(obj->oo_sa_hdl, &blksize, &blocks);
 758         /* we do not control size of indices, so always calculate
 759          * it from number of blocks reported by DMU */
 760         if (S_ISDIR(attr->la_mode))
 761                 attr->la_size = 512 * blocks;
 762         /* Block size may be not set; suggest maximal I/O transfers. */
 763         if (blksize == 0)
 764                 blksize = 1ULL << SPA_MAXBLOCKSHIFT;
 765
 766         attr->la_blksize = blksize;
 767         attr->la_blocks = blocks;
 768         attr->la_valid |= LA_BLOCKS | LA_BLKSIZE;
 769
 770         return 0;
 771 }
 772
 773 /* Simple wrapper on top of qsd API which implement quota transfer for osd
 774  * setattr needs. As a reminder, only the root user can change ownership of
 775  * a file, that's why EDQUOT & EINPROGRESS errors are discarded */
 776 static inline int qsd_transfer(const struct lu_env *env,
 777                                struct qsd_instance *qsd,
 778                                struct lquota_trans *trans, int qtype,
 779                                __u64 orig_id, __u64 new_id, __u64 bspace,
 780                                struct lquota_id_info *qi)
 781 {
 782         int     rc;
 783
 784         if (unlikely(qsd == NULL))
 785                 return 0;
 786
 787         LASSERT(qtype >= 0 && qtype < MAXQUOTAS);
 788         qi->lqi_type = qtype;
 789
 790         /* inode accounting */
 791         qi->lqi_is_blk = false;
 792
 793         /* one more inode for the new owner ... */
 794         qi->lqi_id.qid_uid = new_id;
 795         qi->lqi_space      = 1;
 796         rc = qsd_op_begin(env, qsd, trans, qi, NULL);
 797         if (rc == -EDQUOT || rc == -EINPROGRESS)
 798                 rc = 0;
 799         if (rc)
 800                 return rc;
 801
 802         /* and one less inode for the current id */
 803         qi->lqi_id.qid_uid = orig_id;;
 804         qi->lqi_space      = -1;
 805         /* can't get EDQUOT when reducing usage */
 806         rc = qsd_op_begin(env, qsd, trans, qi, NULL);
 807         if (rc == -EINPROGRESS)
 808                 rc = 0;
 809         if (rc)
 810                 return rc;
 811
 812         /* block accounting */
 813         qi->lqi_is_blk = true;
 814
 815         /* more blocks for the new owner ... */
 816         qi->lqi_id.qid_uid = new_id;
 817         qi->lqi_space      = bspace;
 818         rc = qsd_op_begin(env, qsd, trans, qi, NULL);
 819         if (rc == -EDQUOT || rc == -EINPROGRESS)
 820                 rc = 0;
 821         if (rc)
 822                 return rc;
 823
 824         /* and finally less blocks for the current owner */
 825         qi->lqi_id.qid_uid = orig_id;
 826         qi->lqi_space      = -bspace;
 827         rc = qsd_op_begin(env, qsd, trans, qi, NULL);
 828         /* can't get EDQUOT when reducing usage */
 829         if (rc == -EINPROGRESS)
 830                 rc = 0;
 831         return rc;
 832 }
 833
 834 static int osd_declare_attr_set(const struct lu_env *env,
 835                                 struct dt_object *dt,
 836                                 const struct lu_attr *attr,
 837                                 struct thandle *handle)
 838 {
 839         struct osd_thread_info  *info = osd_oti_get(env);
 840         char                    *buf = osd_oti_get(env)->oti_str;
 841         struct osd_object       *obj = osd_dt_obj(dt);
 842         struct osd_device       *osd = osd_obj2dev(obj);
 843         struct osd_thandle      *oh;
 844         uint64_t                 bspace;
 845         uint32_t                 blksize;
 846         int                      rc;
 847         ENTRY;
 848
 849         if (!dt_object_exists(dt)) {
 850                 /* XXX: sanity check that object creation is declared */
 851                 RETURN(0);
 852         }
 853
 854         LASSERT(handle != NULL);
 855         LASSERT(osd_invariant(obj));
 856
 857         oh = container_of0(handle, struct osd_thandle, ot_super);
 858
 859         LASSERT(obj->oo_sa_hdl != NULL);
 860         LASSERT(oh->ot_tx != NULL);
 861         dmu_tx_hold_sa(oh->ot_tx, obj->oo_sa_hdl, 0);
 862         if (oh->ot_tx->tx_err != 0)
 863                 RETURN(-oh->ot_tx->tx_err);
 864
 865         sa_object_size(obj->oo_sa_hdl, &blksize, &bspace);
 866         bspace = toqb(bspace * blksize);
 867
 868         if (attr && attr->la_valid & LA_UID) {
 869                 /* account for user inode tracking ZAP update */
 870                 dmu_tx_hold_bonus(oh->ot_tx, osd->od_iusr_oid);
 871                 dmu_tx_hold_zap(oh->ot_tx, osd->od_iusr_oid, TRUE, buf);
 872
 873                 /* quota enforcement for user */
 874                 if (attr->la_uid != obj->oo_attr.la_uid) {
 875                         rc = qsd_transfer(env, osd->od_quota_slave,
 876                                           &oh->ot_quota_trans, USRQUOTA,
 877                                           obj->oo_attr.la_uid, attr->la_uid,
 878                                           bspace, &info->oti_qi);
 879                         if (rc)
 880                                 RETURN(rc);
 881                 }
 882         }
 883         if (attr && attr->la_valid & LA_GID) {
 884                 /* account for user inode tracking ZAP update */
 885                 dmu_tx_hold_bonus(oh->ot_tx, osd->od_igrp_oid);
 886                 dmu_tx_hold_zap(oh->ot_tx, osd->od_igrp_oid, TRUE, buf);
 887
 888                 /* quota enforcement for group */
 889                 if (attr->la_gid != obj->oo_attr.la_gid) {
 890                         rc = qsd_transfer(env, osd->od_quota_slave,
 891                                           &oh->ot_quota_trans, GRPQUOTA,
 892                                           obj->oo_attr.la_gid, attr->la_gid,
 893                                           bspace, &info->oti_qi);
 894                         if (rc)
 895                                 RETURN(rc);
 896                 }
 897         }
 898
 899         RETURN(0);
 900 }
 901
 902 /*
 903  * Set the attributes of an object
 904  *
 905  * The transaction passed to this routine must have
 906  * dmu_tx_hold_bonus(tx, oid) called and then assigned
 907  * to a transaction group.
 908  */
 909 static int osd_attr_set(const struct lu_env *env, struct dt_object *dt,
 910                         const struct lu_attr *la, struct thandle *handle,
 911                         struct lustre_capa *capa)
 912 {
 913         struct osd_object       *obj = osd_dt_obj(dt);
 914         struct osd_device       *osd = osd_obj2dev(obj);
 915         struct osd_thandle      *oh;
 916         struct osa_attr         *osa = &osd_oti_get(env)->oti_osa;
 917         sa_bulk_attr_t          *bulk;
 918         __u64                    valid = la->la_valid;
 919         int                      cnt;
 920         int                      rc = 0;
 921
 922         ENTRY;
 923         LASSERT(handle != NULL);
 924         LASSERT(dt_object_exists(dt));
 925         LASSERT(osd_invariant(obj));
 926         LASSERT(obj->oo_sa_hdl);
 927
 928         oh = container_of0(handle, struct osd_thandle, ot_super);
 929         /* Assert that the transaction has been assigned to a
 930            transaction group. */
 931         LASSERT(oh->ot_tx->tx_txg != 0);
 932
 933         /* Only allow set size for regular file */
 934         if (!S_ISREG(dt->do_lu.lo_header->loh_attr))
 935                 valid &= ~(LA_SIZE | LA_BLOCKS);
 936
 937         if (valid == 0)
 938                 RETURN(0);
 939
 940         OBD_ALLOC(bulk, sizeof(sa_bulk_attr_t) * 10);
 941         if (bulk == NULL)
 942                 RETURN(-ENOMEM);
 943
 944         /* do both accounting updates outside oo_attr_lock below */
 945         if ((valid & LA_UID) && (la->la_uid != obj->oo_attr.la_uid)) {
 946                 /* Update user accounting. Failure isn't fatal, but we still
 947                  * log an error message */
 948                 rc = -zap_increment_int(osd->od_os, osd->od_iusr_oid,
 949                                         la->la_uid, 1, oh->ot_tx);
 950                 if (rc)
 951                         CERROR("%s: failed to update accounting ZAP for user "
 952                                 "%d (%d)\n", osd->od_svname, la->la_uid, rc);
 953                 rc = -zap_increment_int(osd->od_os, osd->od_iusr_oid,
 954                                         obj->oo_attr.la_uid, -1, oh->ot_tx);
 955                 if (rc)
 956                         CERROR("%s: failed to update accounting ZAP for user "
 957                                 "%d (%d)\n", osd->od_svname,
 958                                 obj->oo_attr.la_uid, rc);
 959         }
 960         if ((valid & LA_GID) && (la->la_gid != obj->oo_attr.la_gid)) {
 961                 /* Update group accounting. Failure isn't fatal, but we still
 962                  * log an error message */
 963                 rc = -zap_increment_int(osd->od_os, osd->od_igrp_oid,
 964                                         la->la_gid, 1, oh->ot_tx);
 965                 if (rc)
 966                         CERROR("%s: failed to update accounting ZAP for user "
 967                                 "%d (%d)\n", osd->od_svname, la->la_gid, rc);
 968                 rc = -zap_increment_int(osd->od_os, osd->od_igrp_oid,
 969                                         obj->oo_attr.la_gid, -1, oh->ot_tx);
 970                 if (rc)
 971                         CERROR("%s: failed to update accounting ZAP for user "
 972                                 "%d (%d)\n", osd->od_svname,
 973                                 obj->oo_attr.la_gid, rc);
 974         }
 975
 976         write_lock(&obj->oo_attr_lock);
 977         cnt = 0;
 978         if (valid & LA_ATIME) {
 979                 osa->atime[0] = obj->oo_attr.la_atime = la->la_atime;
 980                 SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_ATIME(osd), NULL,
 981                                  osa->atime, 16);
 982         }
 983         if (valid & LA_MTIME) {
 984                 osa->mtime[0] = obj->oo_attr.la_mtime = la->la_mtime;
 985                 SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_MTIME(osd), NULL,
 986                                  osa->mtime, 16);
 987         }
 988         if (valid & LA_CTIME) {
 989                 osa->ctime[0] = obj->oo_attr.la_ctime = la->la_ctime;
 990                 SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_CTIME(osd), NULL,
 991                                  osa->ctime, 16);
 992         }
 993         if (valid & LA_MODE) {
 994                 /* mode is stored along with type, so read it first */
 995                 obj->oo_attr.la_mode = (obj->oo_attr.la_mode & S_IFMT) |
 996                         (la->la_mode & ~S_IFMT);
 997                 osa->mode = obj->oo_attr.la_mode;
 998                 SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_MODE(osd), NULL,
 999                                  &osa->mode, 8);
1000         }
1001         if (valid & LA_SIZE) {
1002                 osa->size = obj->oo_attr.la_size = la->la_size;
1003                 SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_SIZE(osd), NULL,
1004                                  &osa->size, 8);
1005         }
1006         if (valid & LA_NLINK) {
1007                 osa->nlink = obj->oo_attr.la_nlink = la->la_nlink;
1008                 SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_LINKS(osd), NULL,
1009                                  &osa->nlink, 8);
1010         }
1011         if (valid & LA_RDEV) {
1012                 osa->rdev = obj->oo_attr.la_rdev = la->la_rdev;
1013                 SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_RDEV(osd), NULL,
1014                                  &osa->rdev, 8);
1015         }
1016         if (valid & LA_FLAGS) {
1017                 osa->flags = attrs_fs2zfs(la->la_flags);
1018                 /* many flags are not supported by zfs, so ensure a good cached
1019                  * copy */
1020                 obj->oo_attr.la_flags = attrs_zfs2fs(osa->flags);
1021                 SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_FLAGS(osd), NULL,
1022                                  &osa->flags, 8);
1023         }
1024         if (valid & LA_UID) {
1025                 osa->uid = obj->oo_attr.la_uid = la->la_uid;
1026                 SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_UID(osd), NULL,
1027                                  &osa->uid, 8);
1028         }
1029         if (valid & LA_GID) {
1030                 osa->gid = obj->oo_attr.la_gid = la->la_gid;
1031                 SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_GID(osd), NULL,
1032                                  &osa->gid, 8);
1033         }
1034         obj->oo_attr.la_valid |= valid;
1035         write_unlock(&obj->oo_attr_lock);
1036
1037         rc = osd_object_sa_bulk_update(obj, bulk, cnt, oh);
1038
1039         OBD_FREE(bulk, sizeof(sa_bulk_attr_t) * 10);
1040         RETURN(rc);
1041 }
1042
1043 /*
1044  * Object creation.
1045  *
1046  * XXX temporary solution.
1047  */
1048
1049 static void osd_ah_init(const struct lu_env *env, struct dt_allocation_hint *ah,
1050                         struct dt_object *parent, struct dt_object *child,
1051                         umode_t child_mode)
1052 {
1053         LASSERT(ah);
1054
1055         memset(ah, 0, sizeof(*ah));
1056         ah->dah_parent = parent;
1057         ah->dah_mode = child_mode;
1058 }
1059
1060 static int osd_declare_object_create(const struct lu_env *env,
1061                                      struct dt_object *dt,
1062                                      struct lu_attr *attr,
1063                                      struct dt_allocation_hint *hint,
1064                                      struct dt_object_format *dof,
1065                                      struct thandle *handle)
1066 {
1067         char                    *buf = osd_oti_get(env)->oti_str;
1068         const struct lu_fid     *fid = lu_object_fid(&dt->do_lu);
1069         struct osd_object       *obj = osd_dt_obj(dt);
1070         struct osd_device       *osd = osd_obj2dev(obj);
1071         struct osd_thandle      *oh;
1072         uint64_t                 zapid;
1073         int                      rc;
1074         ENTRY;
1075
1076         LASSERT(dof);
1077
1078         switch (dof->dof_type) {
1079                 case DFT_REGULAR:
1080                 case DFT_SYM:
1081                 case DFT_NODE:
1082                         if (obj->oo_dt.do_body_ops == NULL)
1083                                 obj->oo_dt.do_body_ops = &osd_body_ops;
1084                         break;
1085                 default:
1086                         break;
1087         }
1088
1089         LASSERT(handle != NULL);
1090         oh = container_of0(handle, struct osd_thandle, ot_super);
1091         LASSERT(oh->ot_tx != NULL);
1092
1093         switch (dof->dof_type) {
1094                 case DFT_DIR:
1095                         dt->do_index_ops = &osd_dir_ops;
1096                 case DFT_INDEX:
1097                         /* for zap create */
1098                         dmu_tx_hold_zap(oh->ot_tx, DMU_NEW_OBJECT, 1, NULL);
1099                         break;
1100                 case DFT_REGULAR:
1101                 case DFT_SYM:
1102                 case DFT_NODE:
1103                         /* first, we'll create new object */
1104                         dmu_tx_hold_bonus(oh->ot_tx, DMU_NEW_OBJECT);
1105                         break;
1106
1107                 default:
1108                         LBUG();
1109                         break;
1110         }
1111
1112         /* and we'll add it to some mapping */
1113         zapid = osd_get_name_n_idx(env, osd, fid, buf);
1114         dmu_tx_hold_bonus(oh->ot_tx, zapid);
1115         dmu_tx_hold_zap(oh->ot_tx, zapid, TRUE, buf);
1116
1117         /* we will also update inode accounting ZAPs */
1118         dmu_tx_hold_bonus(oh->ot_tx, osd->od_iusr_oid);
1119         dmu_tx_hold_zap(oh->ot_tx, osd->od_iusr_oid, TRUE, buf);
1120         dmu_tx_hold_bonus(oh->ot_tx, osd->od_igrp_oid);
1121         dmu_tx_hold_zap(oh->ot_tx, osd->od_igrp_oid, TRUE, buf);
1122
1123         dmu_tx_hold_sa_create(oh->ot_tx, ZFS_SA_BASE_ATTR_SIZE);
1124
1125         __osd_xattr_declare_set(env, obj, sizeof(struct lustre_mdt_attrs),
1126                                 XATTR_NAME_LMA, oh);
1127
1128         rc = osd_declare_quota(env, osd, attr->la_uid, attr->la_gid, 1, oh,
1129                                false, NULL, false);
1130         RETURN(rc);
1131 }
1132
1133 int __osd_attr_init(const struct lu_env *env, struct osd_device *osd,
1134                     uint64_t oid, dmu_tx_t *tx, struct lu_attr *la,
1135                     uint64_t parent)
1136 {
1137         sa_bulk_attr_t  *bulk;
1138         sa_handle_t     *sa_hdl;
1139         struct osa_attr *osa = &osd_oti_get(env)->oti_osa;
1140         uint64_t         gen;
1141         uint64_t         crtime[2];
1142         timestruc_t      now;
1143         int              cnt;
1144         int              rc;
1145
1146         gethrestime(&now);
1147         gen = dmu_tx_get_txg(tx);
1148
1149         ZFS_TIME_ENCODE(&now, crtime);
1150
1151         osa->atime[0] = la->la_atime;
1152         osa->ctime[0] = la->la_ctime;
1153         osa->mtime[0] = la->la_mtime;
1154         osa->mode = la->la_mode;
1155         osa->uid = la->la_uid;
1156         osa->gid = la->la_gid;
1157         osa->rdev = la->la_rdev;
1158         osa->nlink = la->la_nlink;
1159         osa->flags = attrs_fs2zfs(la->la_flags);
1160         osa->size  = la->la_size;
1161
1162         /* Now add in all of the "SA" attributes */
1163         rc = -sa_handle_get(osd->od_os, oid, NULL, SA_HDL_PRIVATE, &sa_hdl);
1164         if (rc)
1165                 return rc;
1166
1167         OBD_ALLOC(bulk, sizeof(sa_bulk_attr_t) * 13);
1168         if (bulk == NULL) {
1169                 rc = -ENOMEM;
1170                 goto out;
1171         }
1172         /*
1173          * we need to create all SA below upon object create.
1174          *
1175          * XXX The attribute order matters since the accounting callback relies
1176          * on static offsets (i.e. SA_*_OFFSET, see zfs_space_delta_cb()) to
1177          * look up the UID/GID attributes. Moreover, the callback does not seem
1178          * to support the spill block.
1179          * We define attributes in the same order as SA_*_OFFSET in order to
1180          * work around the problem. See ORI-610.
1181          */
1182         cnt = 0;
1183         SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_MODE(osd), NULL, &osa->mode, 8);
1184         SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_SIZE(osd), NULL, &osa->size, 8);
1185         SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_GEN(osd), NULL, &gen, 8);
1186         SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_UID(osd), NULL, &osa->uid, 8);
1187         SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_GID(osd), NULL, &osa->gid, 8);
1188         SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_PARENT(osd), NULL, &parent, 8);
1189         SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_FLAGS(osd), NULL, &osa->flags, 8);
1190         SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_ATIME(osd), NULL, osa->atime, 16);
1191         SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_MTIME(osd), NULL, osa->mtime, 16);
1192         SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_CTIME(osd), NULL, osa->ctime, 16);
1193         SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_CRTIME(osd), NULL, crtime, 16);
1194         SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_LINKS(osd), NULL, &osa->nlink, 8);
1195         SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_RDEV(osd), NULL, &osa->rdev, 8);
1196
1197         rc = -sa_replace_all_by_template(sa_hdl, bulk, cnt, tx);
1198
1199         OBD_FREE(bulk, sizeof(sa_bulk_attr_t) * 13);
1200 out:
1201         sa_handle_destroy(sa_hdl);
1202         return rc;
1203 }
1204
1205 /*
1206  * The transaction passed to this routine must have
1207  * dmu_tx_hold_bonus(tx, DMU_NEW_OBJECT) called and then assigned
1208  * to a transaction group.
1209  */
1210 int __osd_object_create(const struct lu_env *env, struct osd_device *osd,
1211                         dmu_buf_t **dbp, dmu_tx_t *tx, struct lu_attr *la,
1212                         uint64_t parent)
1213 {
1214         uint64_t oid;
1215         int      rc;
1216
1217         /* Assert that the transaction has been assigned to a
1218            transaction group. */
1219         LASSERT(tx->tx_txg != 0);
1220
1221         /* Create a new DMU object. */
1222         oid = dmu_object_alloc(osd->od_os, DMU_OT_PLAIN_FILE_CONTENTS, 0,
1223                                DMU_OT_SA, DN_MAX_BONUSLEN, tx);
1224         rc = -sa_buf_hold(osd->od_os, oid, osd_obj_tag, dbp);
1225         LASSERTF(rc == 0, "sa_buf_hold "LPU64" failed: %d\n", oid, rc);
1226
1227         LASSERT(la->la_valid & LA_MODE);
1228         la->la_size = 0;
1229         la->la_nlink = 1;
1230
1231         rc = __osd_attr_init(env, osd, oid, tx, la, parent);
1232         if (rc != 0) {
1233                 sa_buf_rele(*dbp, osd_obj_tag);
1234                 *dbp = NULL;
1235                 dmu_object_free(osd->od_os, oid, tx);
1236                 return rc;
1237         }
1238
1239         return 0;
1240 }
1241
1242 /*
1243  * The transaction passed to this routine must have
1244  * dmu_tx_hold_zap(tx, DMU_NEW_OBJECT, ...) called and then assigned
1245  * to a transaction group.
1246  *
1247  * Using ZAP_FLAG_HASH64 will force the ZAP to always be a FAT ZAP.
1248  * This is fine for directories today, because storing the FID in the dirent
1249  * will also require a FAT ZAP.  If there is a new type of micro ZAP created
1250  * then we might need to re-evaluate the use of this flag and instead do
1251  * a conversion from the different internal ZAP hash formats being used. */
1252 int __osd_zap_create(const struct lu_env *env, struct osd_device *osd,
1253                      dmu_buf_t **zap_dbp, dmu_tx_t *tx,
1254                      struct lu_attr *la, uint64_t parent, zap_flags_t flags)
1255 {
1256         uint64_t oid;
1257         int      rc;
1258
1259         /* Assert that the transaction has been assigned to a
1260            transaction group. */
1261         LASSERT(tx->tx_txg != 0);
1262
1263         oid = zap_create_flags(osd->od_os, 0, flags | ZAP_FLAG_HASH64,
1264                                DMU_OT_DIRECTORY_CONTENTS,
1265                                14, /* == ZFS fzap_default_block_shift */
1266                                DN_MAX_INDBLKSHIFT, /* indirect block shift */
1267                                DMU_OT_SA, DN_MAX_BONUSLEN, tx);
1268
1269         rc = -sa_buf_hold(osd->od_os, oid, osd_obj_tag, zap_dbp);
1270         if (rc)
1271                 return rc;
1272
1273         LASSERT(la->la_valid & LA_MODE);
1274         la->la_size = 2;
1275         la->la_nlink = 1;
1276
1277         return __osd_attr_init(env, osd, oid, tx, la, parent);
1278 }
1279
1280 static dmu_buf_t *osd_mkidx(const struct lu_env *env, struct osd_device *osd,
1281                             struct lu_attr *la, uint64_t parent,
1282                             struct osd_thandle *oh)
1283 {
1284         dmu_buf_t *db;
1285         int        rc;
1286
1287         /* Index file should be created as regular file in order not to confuse
1288          * ZPL which could interpret them as directory.
1289          * We set ZAP_FLAG_UINT64_KEY to let ZFS know than we are going to use
1290          * binary keys */
1291         LASSERT(S_ISREG(la->la_mode));
1292         rc = __osd_zap_create(env, osd, &db, oh->ot_tx, la, parent,
1293                               ZAP_FLAG_UINT64_KEY);
1294         if (rc)
1295                 return ERR_PTR(rc);
1296         return db;
1297 }
1298
1299 static dmu_buf_t *osd_mkdir(const struct lu_env *env, struct osd_device *osd,
1300                             struct lu_attr *la, uint64_t parent,
1301                             struct osd_thandle *oh)
1302 {
1303         dmu_buf_t *db;
1304         int        rc;
1305
1306         LASSERT(S_ISDIR(la->la_mode));
1307         rc = __osd_zap_create(env, osd, &db, oh->ot_tx, la, parent, 0);
1308         if (rc)
1309                 return ERR_PTR(rc);
1310         return db;
1311 }
1312
1313 static dmu_buf_t* osd_mkreg(const struct lu_env *env, struct osd_device *osd,
1314                             struct lu_attr *la, uint64_t parent,
1315                             struct osd_thandle *oh)
1316 {
1317         dmu_buf_t *db;
1318         int         rc;
1319
1320         LASSERT(S_ISREG(la->la_mode));
1321         rc = __osd_object_create(env, osd, &db, oh->ot_tx, la, parent);
1322         if (rc)
1323                 return ERR_PTR(rc);
1324
1325         /*
1326          * XXX: a hack, OST to use bigger blocksize. we need
1327          * a method in OSD API to control this from OFD/MDD
1328          */
1329         if (!lu_device_is_md(osd2lu_dev(osd))) {
1330                 rc = -dmu_object_set_blocksize(osd->od_os,
1331                                                db->db_object,
1332                                 128 << 10, 0, oh->ot_tx);
1333                 if (unlikely(rc)) {
1334                         CERROR("%s: can't change blocksize: %d\n",
1335                                osd->od_svname, rc);
1336                         return ERR_PTR(rc);
1337                 }
1338         }
1339
1340         return db;
1341 }
1342
1343 static dmu_buf_t *osd_mksym(const struct lu_env *env, struct osd_device *osd,
1344                             struct lu_attr *la, uint64_t parent,
1345                             struct osd_thandle *oh)
1346 {
1347         dmu_buf_t *db;
1348         int        rc;
1349
1350         LASSERT(S_ISLNK(la->la_mode));
1351         rc = __osd_object_create(env, osd, &db, oh->ot_tx, la, parent);
1352         if (rc)
1353                 return ERR_PTR(rc);
1354         return db;
1355 }
1356
1357 static dmu_buf_t *osd_mknod(const struct lu_env *env, struct osd_device *osd,
1358                             struct lu_attr *la, uint64_t parent,
1359                             struct osd_thandle *oh)
1360 {
1361         dmu_buf_t *db;
1362         int        rc;
1363
1364         la->la_valid = LA_MODE;
1365         if (S_ISCHR(la->la_mode) || S_ISBLK(la->la_mode))
1366                 la->la_valid |= LA_RDEV;
1367
1368         rc = __osd_object_create(env, osd, &db, oh->ot_tx, la, parent);
1369         if (rc)
1370                 return ERR_PTR(rc);
1371         return db;
1372 }
1373
1374 typedef dmu_buf_t *(*osd_obj_type_f)(const struct lu_env *env,
1375                                      struct osd_device *osd,
1376                                      struct lu_attr *la,
1377                                      uint64_t parent,
1378                                      struct osd_thandle *oh);
1379
1380 static osd_obj_type_f osd_create_type_f(enum dt_format_type type)
1381 {
1382         osd_obj_type_f result;
1383
1384         switch (type) {
1385         case DFT_DIR:
1386                 result = osd_mkdir;
1387                 break;
1388         case DFT_INDEX:
1389                 result = osd_mkidx;
1390                 break;
1391         case DFT_REGULAR:
1392                 result = osd_mkreg;
1393                 break;
1394         case DFT_SYM:
1395                 result = osd_mksym;
1396                 break;
1397         case DFT_NODE:
1398                 result = osd_mknod;
1399                 break;
1400         default:
1401                 LBUG();
1402                 break;
1403         }
1404         return result;
1405 }
1406
1407 /*
1408  * Primitives for directory (i.e. ZAP) handling
1409  */
1410 static inline int osd_init_lma(const struct lu_env *env, struct osd_object *obj,
1411                                const struct lu_fid *fid, struct osd_thandle *oh)
1412 {
1413         struct osd_thread_info  *info = osd_oti_get(env);
1414         struct lustre_mdt_attrs *lma = &info->oti_mdt_attrs;
1415         struct lu_buf            buf;
1416         int rc;
1417
1418         lustre_lma_init(lma, fid, 0, 0);
1419         lustre_lma_swab(lma);
1420         buf.lb_buf = lma;
1421         buf.lb_len = sizeof(*lma);
1422
1423         rc = osd_xattr_set_internal(env, obj, &buf, XATTR_NAME_LMA,
1424                                     LU_XATTR_CREATE, oh, BYPASS_CAPA);
1425
1426         return rc;
1427 }
1428
1429 /*
1430  * Concurrency: @dt is write locked.
1431  */
1432 static int osd_object_create(const struct lu_env *env, struct dt_object *dt,
1433                              struct lu_attr *attr,
1434                              struct dt_allocation_hint *hint,
1435                              struct dt_object_format *dof,
1436                              struct thandle *th)
1437 {
1438         struct zpl_direntry     *zde = &osd_oti_get(env)->oti_zde.lzd_reg;
1439         const struct lu_fid     *fid = lu_object_fid(&dt->do_lu);
1440         struct osd_object       *obj = osd_dt_obj(dt);
1441         struct osd_device       *osd = osd_obj2dev(obj);
1442         char                    *buf = osd_oti_get(env)->oti_str;
1443         struct osd_thandle      *oh;
1444         dmu_buf_t               *db;
1445         uint64_t                 zapid;
1446         int                      rc;
1447
1448         ENTRY;
1449
1450         /* concurrent create declarations should not see
1451          * the object inconsistent (db, attr, etc).
1452          * in regular cases acquisition should be cheap */
1453         down(&obj->oo_guard);
1454
1455         LASSERT(osd_invariant(obj));
1456         LASSERT(!dt_object_exists(dt));
1457         LASSERT(dof != NULL);
1458
1459         LASSERT(th != NULL);
1460         oh = container_of0(th, struct osd_thandle, ot_super);
1461
1462         /*
1463          * XXX missing: Quote handling.
1464          */
1465
1466         LASSERT(obj->oo_db == NULL);
1467
1468         /* to follow ZFS on-disk format we need
1469          * to initialize parent dnode properly */
1470         zapid = 0;
1471         if (hint && hint->dah_parent)
1472                 zapid = osd_dt_obj(hint->dah_parent)->oo_db->db_object;
1473
1474         db = osd_create_type_f(dof->dof_type)(env, osd, attr, zapid, oh);
1475         if (IS_ERR(db))
1476                 GOTO(out, rc = PTR_ERR(db));
1477
1478         zde->zde_pad = 0;
1479         zde->zde_dnode = db->db_object;
1480         zde->zde_type = IFTODT(attr->la_mode & S_IFMT);
1481
1482         zapid = osd_get_name_n_idx(env, osd, fid, buf);
1483
1484         rc = -zap_add(osd->od_os, zapid, buf, 8, 1, zde, oh->ot_tx);
1485         if (rc)
1486                 GOTO(out, rc);
1487
1488         /* Add new object to inode accounting.
1489          * Errors are not considered as fatal */
1490         rc = -zap_increment_int(osd->od_os, osd->od_iusr_oid,
1491                                 (attr->la_valid & LA_UID) ? attr->la_uid : 0, 1,
1492                                 oh->ot_tx);
1493         if (rc)
1494                 CERROR("%s: failed to add "DFID" to accounting ZAP for usr %d "
1495                         "(%d)\n", osd->od_svname, PFID(fid), attr->la_uid, rc);
1496         rc = -zap_increment_int(osd->od_os, osd->od_igrp_oid,
1497                                 (attr->la_valid & LA_GID) ? attr->la_gid : 0, 1,
1498                                 oh->ot_tx);
1499         if (rc)
1500                 CERROR("%s: failed to add "DFID" to accounting ZAP for grp %d "
1501                         "(%d)\n", osd->od_svname, PFID(fid), attr->la_gid, rc);
1502
1503         /* configure new osd object */
1504         obj->oo_db = db;
1505         rc = osd_object_init0(env, obj);
1506         LASSERT(ergo(rc == 0, dt_object_exists(dt)));
1507         LASSERT(osd_invariant(obj));
1508
1509         rc = osd_init_lma(env, obj, fid, oh);
1510         if (rc) {
1511                 CERROR("%s: can not set LMA on "DFID": rc = %d\n",
1512                        osd->od_svname, PFID(fid), rc);
1513                 /* ignore errors during LMA initialization */
1514                 rc = 0;
1515         }
1516
1517 out:
1518         up(&obj->oo_guard);
1519         RETURN(rc);
1520 }
1521
1522 static int osd_declare_object_ref_add(const struct lu_env *env,
1523                                       struct dt_object *dt,
1524                                       struct thandle *th)
1525 {
1526         return osd_declare_attr_set(env, dt, NULL, th);
1527 }
1528
1529 /*
1530  * Concurrency: @dt is write locked.
1531  */
1532 static int osd_object_ref_add(const struct lu_env *env,
1533                               struct dt_object *dt,
1534                               struct thandle *handle)
1535 {
1536         struct osd_object       *obj = osd_dt_obj(dt);
1537         struct osd_thandle      *oh;
1538         struct osd_device       *osd = osd_obj2dev(obj);
1539         uint64_t                 nlink;
1540         int rc;
1541
1542         ENTRY;
1543
1544         LASSERT(osd_invariant(obj));
1545         LASSERT(dt_object_exists(dt));
1546         LASSERT(obj->oo_sa_hdl != NULL);
1547
1548         oh = container_of0(handle, struct osd_thandle, ot_super);
1549
1550         write_lock(&obj->oo_attr_lock);
1551         nlink = ++obj->oo_attr.la_nlink;
1552         write_unlock(&obj->oo_attr_lock);
1553
1554         rc = osd_object_sa_update(obj, SA_ZPL_LINKS(osd), &nlink, 8, oh);
1555         return rc;
1556 }
1557
1558 static int osd_declare_object_ref_del(const struct lu_env *env,
1559                                       struct dt_object *dt,
1560                                       struct thandle *handle)
1561 {
1562         return osd_declare_attr_set(env, dt, NULL, handle);
1563 }
1564
1565 /*
1566  * Concurrency: @dt is write locked.
1567  */
1568 static int osd_object_ref_del(const struct lu_env *env,
1569                               struct dt_object *dt,
1570                               struct thandle *handle)
1571 {
1572         struct osd_object       *obj = osd_dt_obj(dt);
1573         struct osd_thandle      *oh;
1574         struct osd_device       *osd = osd_obj2dev(obj);
1575         uint64_t                 nlink;
1576         int                      rc;
1577
1578         ENTRY;
1579
1580         LASSERT(osd_invariant(obj));
1581         LASSERT(dt_object_exists(dt));
1582         LASSERT(obj->oo_sa_hdl != NULL);
1583
1584         oh = container_of0(handle, struct osd_thandle, ot_super);
1585         LASSERT(!lu_object_is_dying(dt->do_lu.lo_header));
1586
1587         write_lock(&obj->oo_attr_lock);
1588         nlink = --obj->oo_attr.la_nlink;
1589         write_unlock(&obj->oo_attr_lock);
1590
1591         rc = osd_object_sa_update(obj, SA_ZPL_LINKS(osd), &nlink, 8, oh);
1592         return rc;
1593 }
1594
1595 static int capa_is_sane(const struct lu_env *env, struct osd_device *dev,
1596                         struct lustre_capa *capa, struct lustre_capa_key *keys)
1597 {
1598         struct osd_thread_info  *oti = osd_oti_get(env);
1599         struct obd_capa         *oc;
1600         int                      i, rc = 0;
1601         ENTRY;
1602
1603         oc = capa_lookup(dev->od_capa_hash, capa, 0);
1604         if (oc) {
1605                 if (capa_is_expired(oc)) {
1606                         DEBUG_CAPA(D_ERROR, capa, "expired");
1607                         rc = -ESTALE;
1608                 }
1609                 capa_put(oc);
1610                 RETURN(rc);
1611         }
1612
1613         spin_lock(&capa_lock);
1614         for (i = 0; i < 2; i++) {
1615                 if (keys[i].lk_keyid == capa->lc_keyid) {
1616                         oti->oti_capa_key = keys[i];
1617                         break;
1618                 }
1619         }
1620         spin_unlock(&capa_lock);
1621
1622         if (i == 2) {
1623                 DEBUG_CAPA(D_ERROR, capa, "no matched capa key");
1624                 RETURN(-ESTALE);
1625         }
1626
1627         rc = capa_hmac(oti->oti_capa.lc_hmac, capa, oti->oti_capa_key.lk_key);
1628         if (rc)
1629                 RETURN(rc);
1630         if (memcmp(oti->oti_capa.lc_hmac, capa->lc_hmac, sizeof(capa->lc_hmac)))
1631         {
1632                 DEBUG_CAPA(D_ERROR, capa, "HMAC mismatch");
1633                 RETURN(-EACCES);
1634         }
1635
1636         oc = capa_add(dev->od_capa_hash, capa);
1637         capa_put(oc);
1638
1639         RETURN(0);
1640 }
1641
1642 static int osd_object_auth(const struct lu_env *env, struct dt_object *dt,
1643                            struct lustre_capa *capa, __u64 opc)
1644 {
1645         const struct lu_fid     *fid = lu_object_fid(&dt->do_lu);
1646         struct osd_device       *dev = osd_dev(dt->do_lu.lo_dev);
1647         int                      rc;
1648
1649         if (!dev->od_fl_capa)
1650                 return 0;
1651
1652         if (capa == BYPASS_CAPA)
1653                 return 0;
1654
1655         if (!capa) {
1656                 CERROR("no capability is provided for fid "DFID"\n", PFID(fid));
1657                 return -EACCES;
1658         }
1659
1660         if (!lu_fid_eq(fid, &capa->lc_fid)) {
1661                 DEBUG_CAPA(D_ERROR, capa, "fid "DFID" mismatch with",PFID(fid));
1662                 return -EACCES;
1663         }
1664
1665         if (!capa_opc_supported(capa, opc)) {
1666                 DEBUG_CAPA(D_ERROR, capa, "opc "LPX64" not supported by", opc);
1667                 return -EACCES;
1668         }
1669
1670         if ((rc = capa_is_sane(env, dev, capa, dev->od_capa_keys))) {
1671                 DEBUG_CAPA(D_ERROR, capa, "insane (rc %d)", rc);
1672                 return -EACCES;
1673         }
1674
1675         return 0;
1676 }
1677
1678 static struct obd_capa *osd_capa_get(const struct lu_env *env,
1679                                      struct dt_object *dt,
1680                                      struct lustre_capa *old,
1681                                      __u64 opc)
1682 {
1683         struct osd_thread_info  *info = osd_oti_get(env);
1684         const struct lu_fid     *fid = lu_object_fid(&dt->do_lu);
1685         struct osd_object       *obj = osd_dt_obj(dt);
1686         struct osd_device       *dev = osd_obj2dev(obj);
1687         struct lustre_capa_key  *key = &info->oti_capa_key;
1688         struct lustre_capa      *capa = &info->oti_capa;
1689         struct obd_capa         *oc;
1690         int                      rc;
1691         ENTRY;
1692
1693         if (!dev->od_fl_capa)
1694                 RETURN(ERR_PTR(-ENOENT));
1695
1696         LASSERT(dt_object_exists(dt));
1697         LASSERT(osd_invariant(obj));
1698
1699         /* renewal sanity check */
1700         if (old && osd_object_auth(env, dt, old, opc))
1701                 RETURN(ERR_PTR(-EACCES));
1702
1703         capa->lc_fid = *fid;
1704         capa->lc_opc = opc;
1705         capa->lc_uid = 0;
1706         capa->lc_flags = dev->od_capa_alg << 24;
1707         capa->lc_timeout = dev->od_capa_timeout;
1708         capa->lc_expiry = 0;
1709
1710         oc = capa_lookup(dev->od_capa_hash, capa, 1);
1711         if (oc) {
1712                 LASSERT(!capa_is_expired(oc));
1713                 RETURN(oc);
1714         }
1715
1716         spin_lock(&capa_lock);
1717         *key = dev->od_capa_keys[1];
1718         spin_unlock(&capa_lock);
1719
1720         capa->lc_keyid = key->lk_keyid;
1721         capa->lc_expiry = cfs_time_current_sec() + dev->od_capa_timeout;
1722
1723         rc = capa_hmac(capa->lc_hmac, capa, key->lk_key);
1724         if (rc) {
1725                 DEBUG_CAPA(D_ERROR, capa, "HMAC failed: %d for", rc);
1726                 LBUG();
1727                 RETURN(ERR_PTR(rc));
1728         }
1729
1730         oc = capa_add(dev->od_capa_hash, capa);
1731         RETURN(oc);
1732 }
1733
1734 static int osd_object_sync(const struct lu_env *env, struct dt_object *dt,
1735                            __u64 start, __u64 end)
1736 {
1737         struct osd_device *osd = osd_obj2dev(osd_dt_obj(dt));
1738         ENTRY;
1739
1740         /* XXX: no other option than syncing the whole filesystem until we
1741          * support ZIL.  If the object tracked the txg that it was last
1742          * modified in, it could pass that txg here instead of "0".  Maybe
1743          * the changes are already committed, so no wait is needed at all? */
1744         txg_wait_synced(dmu_objset_pool(osd->od_os), 0ULL);
1745
1746         RETURN(0);
1747 }
1748
1749 static struct dt_object_operations osd_obj_ops = {
1750         .do_read_lock           = osd_object_read_lock,
1751         .do_write_lock          = osd_object_write_lock,
1752         .do_read_unlock         = osd_object_read_unlock,
1753         .do_write_unlock        = osd_object_write_unlock,
1754         .do_write_locked        = osd_object_write_locked,
1755         .do_attr_get            = osd_attr_get,
1756         .do_declare_attr_set    = osd_declare_attr_set,
1757         .do_attr_set            = osd_attr_set,
1758         .do_ah_init             = osd_ah_init,
1759         .do_declare_create      = osd_declare_object_create,
1760         .do_create              = osd_object_create,
1761         .do_declare_destroy     = osd_declare_object_destroy,
1762         .do_destroy             = osd_object_destroy,
1763         .do_index_try           = osd_index_try,
1764         .do_declare_ref_add     = osd_declare_object_ref_add,
1765         .do_ref_add             = osd_object_ref_add,
1766         .do_declare_ref_del     = osd_declare_object_ref_del,
1767         .do_ref_del             = osd_object_ref_del,
1768         .do_xattr_get           = osd_xattr_get,
1769         .do_declare_xattr_set   = osd_declare_xattr_set,
1770         .do_xattr_set           = osd_xattr_set,
1771         .do_declare_xattr_del   = osd_declare_xattr_del,
1772         .do_xattr_del           = osd_xattr_del,
1773         .do_xattr_list          = osd_xattr_list,
1774         .do_capa_get            = osd_capa_get,
1775         .do_object_sync         = osd_object_sync,
1776 };
1777
1778 static struct lu_object_operations osd_lu_obj_ops = {
1779         .loo_object_init        = osd_object_init,
1780         .loo_object_delete      = osd_object_delete,
1781         .loo_object_release     = osd_object_release,
1782         .loo_object_free        = osd_object_free,
1783         .loo_object_print       = osd_object_print,
1784         .loo_object_invariant   = osd_object_invariant,
1785 };
1786
1787 static int osd_otable_it_attr_get(const struct lu_env *env,
1788                                 struct dt_object *dt,
1789                                 struct lu_attr *attr,
1790                                 struct lustre_capa *capa)
1791 {
1792         attr->la_valid = 0;
1793         return 0;
1794 }
1795
1796 static struct dt_object_operations osd_obj_otable_it_ops = {
1797         .do_attr_get    = osd_otable_it_attr_get,
1798         .do_index_try   = osd_index_try,
1799 };
1800