git.sur5r.net Git - openldap/blob - servers/slapd/back-mdb/delete.c

   1 /* delete.c - mdb backend delete routine */
   2 /* $OpenLDAP$ */
   3 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
   4  *
   5  * Copyright 2000-2011 The OpenLDAP Foundation.
   6  * All rights reserved.
   7  *
   8  * Redistribution and use in source and binary forms, with or without
   9  * modification, are permitted only as authorized by the OpenLDAP
  10  * Public License.
  11  *
  12  * A copy of this license is available in the file LICENSE in the
  13  * top-level directory of the distribution or, alternatively, at
  14  * <http://www.OpenLDAP.org/license.html>.
  15  */
  16
  17 #include "portable.h"
  18
  19 #include <stdio.h>
  20 #include <ac/string.h>
  21
  22 #include "lutil.h"
  23 #include "back-mdb.h"
  24
  25 int
  26 mdb_delete( Operation *op, SlapReply *rs )
  27 {
  28         struct mdb_info *mdb = (struct mdb_info *) op->o_bd->be_private;
  29         Entry   *matched = NULL;
  30         struct berval   pdn = {0, NULL};
  31         Entry   *e = NULL;
  32         Entry   *p = NULL;
  33         EntryInfo       *ei = NULL, *eip = NULL;
  34         int             manageDSAit = get_manageDSAit( op );
  35         AttributeDescription *children = slap_schema.si_ad_children;
  36         AttributeDescription *entry = slap_schema.si_ad_entry;
  37         DB_TXN          *ltid = NULL, *lt2;
  38         struct mdb_op_info opinfo = {{{ 0 }}};
  39         ID      eid;
  40
  41         DB_LOCK         lock, plock;
  42
  43         int             num_retries = 0;
  44
  45         int     rc;
  46
  47         LDAPControl **preread_ctrl = NULL;
  48         LDAPControl *ctrls[SLAP_MAX_RESPONSE_CONTROLS];
  49         int num_ctrls = 0;
  50
  51         int     parent_is_glue = 0;
  52         int parent_is_leaf = 0;
  53
  54 #ifdef LDAP_X_TXN
  55         int settle = 0;
  56 #endif
  57
  58         Debug( LDAP_DEBUG_ARGS, "==> " LDAP_XSTRING(mdb_delete) ": %s\n",
  59                 op->o_req_dn.bv_val, 0, 0 );
  60
  61 #ifdef LDAP_X_TXN
  62         if( op->o_txnSpec ) {
  63                 /* acquire connection lock */
  64                 ldap_pvt_thread_mutex_lock( &op->o_conn->c_mutex );
  65                 if( op->o_conn->c_txn == CONN_TXN_INACTIVE ) {
  66                         rs->sr_text = "invalid transaction identifier";
  67                         rs->sr_err = LDAP_X_TXN_ID_INVALID;
  68                         goto txnReturn;
  69                 } else if( op->o_conn->c_txn == CONN_TXN_SETTLE ) {
  70                         settle=1;
  71                         goto txnReturn;
  72                 }
  73
  74                 if( op->o_conn->c_txn_backend == NULL ) {
  75                         op->o_conn->c_txn_backend = op->o_bd;
  76
  77                 } else if( op->o_conn->c_txn_backend != op->o_bd ) {
  78                         rs->sr_text = "transaction cannot span multiple database contexts";
  79                         rs->sr_err = LDAP_AFFECTS_MULTIPLE_DSAS;
  80                         goto txnReturn;
  81                 }
  82
  83                 /* insert operation into transaction */
  84
  85                 rs->sr_text = "transaction specified";
  86                 rs->sr_err = LDAP_X_TXN_SPECIFY_OKAY;
  87
  88 txnReturn:
  89                 /* release connection lock */
  90                 ldap_pvt_thread_mutex_unlock( &op->o_conn->c_mutex );
  91
  92                 if( !settle ) {
  93                         send_ldap_result( op, rs );
  94                         return rs->sr_err;
  95                 }
  96         }
  97 #endif
  98
  99         ctrls[num_ctrls] = 0;
 100
 101         /* allocate CSN */
 102         if ( BER_BVISNULL( &op->o_csn ) ) {
 103                 struct berval csn;
 104                 char csnbuf[LDAP_PVT_CSNSTR_BUFSIZE];
 105
 106                 csn.bv_val = csnbuf;
 107                 csn.bv_len = sizeof(csnbuf);
 108                 slap_get_csn( op, &csn, 1 );
 109         }
 110
 111         if( 0 ) {
 112 retry:  /* transaction retry */
 113                 if( e != NULL ) {
 114                         mdb_unlocked_cache_return_entry_w(&mdb->bi_cache, e);
 115                         e = NULL;
 116                 }
 117                 if( p != NULL ) {
 118                         mdb_unlocked_cache_return_entry_r(&mdb->bi_cache, p);
 119                         p = NULL;
 120                 }
 121                 Debug( LDAP_DEBUG_TRACE,
 122                         "==> " LDAP_XSTRING(mdb_delete) ": retrying...\n",
 123                         0, 0, 0 );
 124                 rs->sr_err = TXN_ABORT( ltid );
 125                 ltid = NULL;
 126                 LDAP_SLIST_REMOVE( &op->o_extra, &opinfo.boi_oe, OpExtra, oe_next );
 127                 opinfo.boi_oe.oe_key = NULL;
 128                 op->o_do_not_cache = opinfo.boi_acl_cache;
 129                 if( rs->sr_err != 0 ) {
 130                         rs->sr_err = LDAP_OTHER;
 131                         rs->sr_text = "internal error";
 132                         goto return_results;
 133                 }
 134                 if ( op->o_abandon ) {
 135                         rs->sr_err = SLAPD_ABANDON;
 136                         goto return_results;
 137                 }
 138                 parent_is_glue = 0;
 139                 parent_is_leaf = 0;
 140                 mdb_trans_backoff( ++num_retries );
 141         }
 142
 143         /* begin transaction */
 144         rs->sr_err = TXN_BEGIN( mdb->bi_dbenv, NULL, &ltid,
 145                 mdb->bi_db_opflags );
 146         rs->sr_text = NULL;
 147         if( rs->sr_err != 0 ) {
 148                 Debug( LDAP_DEBUG_TRACE,
 149                         LDAP_XSTRING(mdb_delete) ": txn_begin failed: "
 150                         "%s (%d)\n", db_strerror(rs->sr_err), rs->sr_err, 0 );
 151                 rs->sr_err = LDAP_OTHER;
 152                 rs->sr_text = "internal error";
 153                 goto return_results;
 154         }
 155
 156         opinfo.boi_oe.oe_key = mdb;
 157         opinfo.boi_txn = ltid;
 158         opinfo.boi_err = 0;
 159         opinfo.boi_acl_cache = op->o_do_not_cache;
 160         LDAP_SLIST_INSERT_HEAD( &op->o_extra, &opinfo.boi_oe, oe_next );
 161
 162         if ( !be_issuffix( op->o_bd, &op->o_req_ndn ) ) {
 163                 dnParent( &op->o_req_ndn, &pdn );
 164         }
 165
 166         /* get entry */
 167         rs->sr_err = mdb_dn2entry( op, ltid, &op->o_req_ndn, &ei, 1,
 168                 &lock );
 169
 170         switch( rs->sr_err ) {
 171         case 0:
 172         case DB_NOTFOUND:
 173                 break;
 174         case DB_LOCK_DEADLOCK:
 175         case DB_LOCK_NOTGRANTED:
 176                 goto retry;
 177         case LDAP_BUSY:
 178                 rs->sr_text = "ldap server busy";
 179                 goto return_results;
 180         default:
 181                 rs->sr_err = LDAP_OTHER;
 182                 rs->sr_text = "internal error";
 183                 goto return_results;
 184         }
 185
 186         if ( rs->sr_err == 0 ) {
 187                 e = ei->bei_e;
 188                 eip = ei->bei_parent;
 189         } else {
 190                 matched = ei->bei_e;
 191         }
 192
 193         /* FIXME : dn2entry() should return non-glue entry */
 194         if ( e == NULL || ( !manageDSAit && is_entry_glue( e ))) {
 195                 Debug( LDAP_DEBUG_ARGS,
 196                         "<=- " LDAP_XSTRING(mdb_delete) ": no such object %s\n",
 197                         op->o_req_dn.bv_val, 0, 0);
 198
 199                 if ( matched != NULL ) {
 200                         rs->sr_matched = ch_strdup( matched->e_dn );
 201                         rs->sr_ref = is_entry_referral( matched )
 202                                 ? get_entry_referrals( op, matched )
 203                                 : NULL;
 204                         mdb_unlocked_cache_return_entry_r(&mdb->bi_cache, matched);
 205                         matched = NULL;
 206
 207                 } else {
 208                         rs->sr_ref = referral_rewrite( default_referral, NULL,
 209                                         &op->o_req_dn, LDAP_SCOPE_DEFAULT );
 210                 }
 211
 212                 rs->sr_err = LDAP_REFERRAL;
 213                 rs->sr_flags = REP_MATCHED_MUSTBEFREED | REP_REF_MUSTBEFREED;
 214                 goto return_results;
 215         }
 216
 217         rc = mdb_cache_find_id( op, ltid, eip->bei_id, &eip, 0, &plock );
 218         switch( rc ) {
 219         case DB_LOCK_DEADLOCK:
 220         case DB_LOCK_NOTGRANTED:
 221                 goto retry;
 222         case 0:
 223         case DB_NOTFOUND:
 224                 break;
 225         default:
 226                 rs->sr_err = LDAP_OTHER;
 227                 rs->sr_text = "internal error";
 228                 goto return_results;
 229         }
 230         if ( eip ) p = eip->bei_e;
 231
 232         if ( pdn.bv_len != 0 ) {
 233                 if( p == NULL || !bvmatch( &pdn, &p->e_nname )) {
 234                         Debug( LDAP_DEBUG_TRACE,
 235                                 "<=- " LDAP_XSTRING(mdb_delete) ": parent "
 236                                 "does not exist\n", 0, 0, 0 );
 237                         rs->sr_err = LDAP_OTHER;
 238                         rs->sr_text = "could not locate parent of entry";
 239                         goto return_results;
 240                 }
 241
 242                 /* check parent for "children" acl */
 243                 rs->sr_err = access_allowed( op, p,
 244                         children, NULL, ACL_WDEL, NULL );
 245
 246                 if ( !rs->sr_err  ) {
 247                         switch( opinfo.boi_err ) {
 248                         case DB_LOCK_DEADLOCK:
 249                         case DB_LOCK_NOTGRANTED:
 250                                 goto retry;
 251                         }
 252
 253                         Debug( LDAP_DEBUG_TRACE,
 254                                 "<=- " LDAP_XSTRING(mdb_delete) ": no write "
 255                                 "access to parent\n", 0, 0, 0 );
 256                         rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
 257                         rs->sr_text = "no write access to parent";
 258                         goto return_results;
 259                 }
 260
 261         } else {
 262                 /* no parent, must be root to delete */
 263                 if( ! be_isroot( op ) ) {
 264                         if ( be_issuffix( op->o_bd, (struct berval *)&slap_empty_bv )
 265                                 || be_shadow_update( op ) ) {
 266                                 p = (Entry *)&slap_entry_root;
 267
 268                                 /* check parent for "children" acl */
 269                                 rs->sr_err = access_allowed( op, p,
 270                                         children, NULL, ACL_WDEL, NULL );
 271
 272                                 p = NULL;
 273
 274                                 if ( !rs->sr_err  ) {
 275                                         switch( opinfo.boi_err ) {
 276                                         case DB_LOCK_DEADLOCK:
 277                                         case DB_LOCK_NOTGRANTED:
 278                                                 goto retry;
 279                                         }
 280
 281                                         Debug( LDAP_DEBUG_TRACE,
 282                                                 "<=- " LDAP_XSTRING(mdb_delete)
 283                                                 ": no access to parent\n",
 284                                                 0, 0, 0 );
 285                                         rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
 286                                         rs->sr_text = "no write access to parent";
 287                                         goto return_results;
 288                                 }
 289
 290                         } else {
 291                                 Debug( LDAP_DEBUG_TRACE,
 292                                         "<=- " LDAP_XSTRING(mdb_delete)
 293                                         ": no parent and not root\n", 0, 0, 0 );
 294                                 rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
 295                                 goto return_results;
 296                         }
 297                 }
 298         }
 299
 300         if ( get_assert( op ) &&
 301                 ( test_filter( op, e, get_assertion( op )) != LDAP_COMPARE_TRUE ))
 302         {
 303                 rs->sr_err = LDAP_ASSERTION_FAILED;
 304                 goto return_results;
 305         }
 306
 307         rs->sr_err = access_allowed( op, e,
 308                 entry, NULL, ACL_WDEL, NULL );
 309
 310         if ( !rs->sr_err  ) {
 311                 switch( opinfo.boi_err ) {
 312                 case DB_LOCK_DEADLOCK:
 313                 case DB_LOCK_NOTGRANTED:
 314                         goto retry;
 315                 }
 316
 317                 Debug( LDAP_DEBUG_TRACE,
 318                         "<=- " LDAP_XSTRING(mdb_delete) ": no write access "
 319                         "to entry\n", 0, 0, 0 );
 320                 rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
 321                 rs->sr_text = "no write access to entry";
 322                 goto return_results;
 323         }
 324
 325         if ( !manageDSAit && is_entry_referral( e ) ) {
 326                 /* entry is a referral, don't allow delete */
 327                 rs->sr_ref = get_entry_referrals( op, e );
 328
 329                 Debug( LDAP_DEBUG_TRACE,
 330                         LDAP_XSTRING(mdb_delete) ": entry is referral\n",
 331                         0, 0, 0 );
 332
 333                 rs->sr_err = LDAP_REFERRAL;
 334                 rs->sr_matched = ch_strdup( e->e_name.bv_val );
 335                 rs->sr_flags = REP_MATCHED_MUSTBEFREED | REP_REF_MUSTBEFREED;
 336                 goto return_results;
 337         }
 338
 339         /* pre-read */
 340         if( op->o_preread ) {
 341                 if( preread_ctrl == NULL ) {
 342                         preread_ctrl = &ctrls[num_ctrls++];
 343                         ctrls[num_ctrls] = NULL;
 344                 }
 345                 if( slap_read_controls( op, rs, e,
 346                         &slap_pre_read_bv, preread_ctrl ) )
 347                 {
 348                         Debug( LDAP_DEBUG_TRACE,
 349                                 "<=- " LDAP_XSTRING(mdb_delete) ": pre-read "
 350                                 "failed!\n", 0, 0, 0 );
 351                         if ( op->o_preread & SLAP_CONTROL_CRITICAL ) {
 352                                 /* FIXME: is it correct to abort
 353                                  * operation if control fails? */
 354                                 goto return_results;
 355                         }
 356                 }
 357         }
 358
 359         /* nested transaction */
 360         rs->sr_err = TXN_BEGIN( mdb->bi_dbenv, ltid, &lt2,
 361                 mdb->bi_db_opflags );
 362         rs->sr_text = NULL;
 363         if( rs->sr_err != 0 ) {
 364                 Debug( LDAP_DEBUG_TRACE,
 365                         LDAP_XSTRING(mdb_delete) ": txn_begin(2) failed: "
 366                         "%s (%d)\n", db_strerror(rs->sr_err), rs->sr_err, 0 );
 367                 rs->sr_err = LDAP_OTHER;
 368                 rs->sr_text = "internal error";
 369                 goto return_results;
 370         }
 371
 372         MDB_LOG_PRINTF( mdb->bi_dbenv, lt2, "slapd Starting delete %s(%d)",
 373                 e->e_nname.bv_val, e->e_id );
 374
 375         /* Can't do it if we have kids */
 376         rs->sr_err = mdb_cache_children( op, lt2, e );
 377         if( rs->sr_err != DB_NOTFOUND ) {
 378                 switch( rs->sr_err ) {
 379                 case DB_LOCK_DEADLOCK:
 380                 case DB_LOCK_NOTGRANTED:
 381                         goto retry;
 382                 case 0:
 383                         Debug(LDAP_DEBUG_ARGS,
 384                                 "<=- " LDAP_XSTRING(mdb_delete)
 385                                 ": non-leaf %s\n",
 386                                 op->o_req_dn.bv_val, 0, 0);
 387                         rs->sr_err = LDAP_NOT_ALLOWED_ON_NONLEAF;
 388                         rs->sr_text = "subordinate objects must be deleted first";
 389                         break;
 390                 default:
 391                         Debug(LDAP_DEBUG_ARGS,
 392                                 "<=- " LDAP_XSTRING(mdb_delete)
 393                                 ": has_children failed: %s (%d)\n",
 394                                 db_strerror(rs->sr_err), rs->sr_err, 0 );
 395                         rs->sr_err = LDAP_OTHER;
 396                         rs->sr_text = "internal error";
 397                 }
 398                 goto return_results;
 399         }
 400
 401         /* delete from dn2id */
 402         rs->sr_err = mdb_dn2id_delete( op, lt2, eip, e );
 403         if ( rs->sr_err != 0 ) {
 404                 Debug(LDAP_DEBUG_TRACE,
 405                         "<=- " LDAP_XSTRING(mdb_delete) ": dn2id failed: "
 406                         "%s (%d)\n", db_strerror(rs->sr_err), rs->sr_err, 0 );
 407                 switch( rs->sr_err ) {
 408                 case DB_LOCK_DEADLOCK:
 409                 case DB_LOCK_NOTGRANTED:
 410                         goto retry;
 411                 }
 412                 rs->sr_text = "DN index delete failed";
 413                 rs->sr_err = LDAP_OTHER;
 414                 goto return_results;
 415         }
 416
 417         /* delete indices for old attributes */
 418         rs->sr_err = mdb_index_entry_del( op, lt2, e );
 419         if ( rs->sr_err != LDAP_SUCCESS ) {
 420                 Debug(LDAP_DEBUG_TRACE,
 421                         "<=- " LDAP_XSTRING(mdb_delete) ": index failed: "
 422                         "%s (%d)\n", db_strerror(rs->sr_err), rs->sr_err, 0 );
 423                 switch( rs->sr_err ) {
 424                 case DB_LOCK_DEADLOCK:
 425                 case DB_LOCK_NOTGRANTED:
 426                         goto retry;
 427                 }
 428                 rs->sr_text = "entry index delete failed";
 429                 rs->sr_err = LDAP_OTHER;
 430                 goto return_results;
 431         }
 432
 433         /* fixup delete CSN */
 434         if ( !SLAP_SHADOW( op->o_bd )) {
 435                 struct berval vals[2];
 436
 437                 assert( !BER_BVISNULL( &op->o_csn ) );
 438                 vals[0] = op->o_csn;
 439                 BER_BVZERO( &vals[1] );
 440                 rs->sr_err = mdb_index_values( op, lt2, slap_schema.si_ad_entryCSN,
 441                         vals, 0, SLAP_INDEX_ADD_OP );
 442         if ( rs->sr_err != LDAP_SUCCESS ) {
 443                         switch( rs->sr_err ) {
 444                         case DB_LOCK_DEADLOCK:
 445                         case DB_LOCK_NOTGRANTED:
 446                                 goto retry;
 447                         }
 448                         rs->sr_text = "entryCSN index update failed";
 449                         rs->sr_err = LDAP_OTHER;
 450                         goto return_results;
 451                 }
 452         }
 453
 454         /* delete from id2entry */
 455         rs->sr_err = mdb_id2entry_delete( op->o_bd, lt2, e );
 456         if ( rs->sr_err != 0 ) {
 457                 Debug( LDAP_DEBUG_TRACE,
 458                         "<=- " LDAP_XSTRING(mdb_delete) ": id2entry failed: "
 459                         "%s (%d)\n", db_strerror(rs->sr_err), rs->sr_err, 0 );
 460                 switch( rs->sr_err ) {
 461                 case DB_LOCK_DEADLOCK:
 462                 case DB_LOCK_NOTGRANTED:
 463                         goto retry;
 464                 }
 465                 rs->sr_text = "entry delete failed";
 466                 rs->sr_err = LDAP_OTHER;
 467                 goto return_results;
 468         }
 469
 470         if ( pdn.bv_len != 0 ) {
 471                 parent_is_glue = is_entry_glue(p);
 472                 rs->sr_err = mdb_cache_children( op, lt2, p );
 473                 if ( rs->sr_err != DB_NOTFOUND ) {
 474                         switch( rs->sr_err ) {
 475                         case DB_LOCK_DEADLOCK:
 476                         case DB_LOCK_NOTGRANTED:
 477                                 goto retry;
 478                         case 0:
 479                                 break;
 480                         default:
 481                                 Debug(LDAP_DEBUG_ARGS,
 482                                         "<=- " LDAP_XSTRING(mdb_delete)
 483                                         ": has_children failed: %s (%d)\n",
 484                                         db_strerror(rs->sr_err), rs->sr_err, 0 );
 485                                 rs->sr_err = LDAP_OTHER;
 486                                 rs->sr_text = "internal error";
 487                                 goto return_results;
 488                         }
 489                         parent_is_leaf = 1;
 490                 }
 491                 mdb_unlocked_cache_return_entry_r(&mdb->bi_cache, p);
 492                 p = NULL;
 493         }
 494
 495         MDB_LOG_PRINTF( mdb->bi_dbenv, lt2, "slapd Commit1 delete %s(%d)",
 496                 e->e_nname.bv_val, e->e_id );
 497
 498         if ( TXN_COMMIT( lt2, 0 ) != 0 ) {
 499                 rs->sr_err = LDAP_OTHER;
 500                 rs->sr_text = "txn_commit(2) failed";
 501                 goto return_results;
 502         }
 503
 504         eid = e->e_id;
 505
 506         if( op->o_noop ) {
 507                 if ( ( rs->sr_err = TXN_ABORT( ltid ) ) != 0 ) {
 508                         rs->sr_text = "txn_abort (no-op) failed";
 509                 } else {
 510                         rs->sr_err = LDAP_X_NO_OPERATION;
 511                         ltid = NULL;
 512                         goto return_results;
 513                 }
 514         } else {
 515
 516                 MDB_LOG_PRINTF( mdb->bi_dbenv, ltid, "slapd Cache delete %s(%d)",
 517                         e->e_nname.bv_val, e->e_id );
 518
 519                 rc = mdb_cache_delete( mdb, e, ltid, &lock );
 520                 switch( rc ) {
 521                 case DB_LOCK_DEADLOCK:
 522                 case DB_LOCK_NOTGRANTED:
 523                         goto retry;
 524                 }
 525
 526                 rs->sr_err = TXN_COMMIT( ltid, 0 );
 527         }
 528         ltid = NULL;
 529         LDAP_SLIST_REMOVE( &op->o_extra, &opinfo.boi_oe, OpExtra, oe_next );
 530         opinfo.boi_oe.oe_key = NULL;
 531
 532         MDB_LOG_PRINTF( mdb->bi_dbenv, NULL, "slapd Committed delete %s(%d)",
 533                 e->e_nname.bv_val, e->e_id );
 534
 535         if( rs->sr_err != 0 ) {
 536                 Debug( LDAP_DEBUG_TRACE,
 537                         LDAP_XSTRING(mdb_delete) ": txn_%s failed: %s (%d)\n",
 538                         op->o_noop ? "abort (no-op)" : "commit",
 539                         db_strerror(rs->sr_err), rs->sr_err );
 540                 rs->sr_err = LDAP_OTHER;
 541                 rs->sr_text = "commit failed";
 542
 543                 goto return_results;
 544         }
 545
 546         Debug( LDAP_DEBUG_TRACE,
 547                 LDAP_XSTRING(mdb_delete) ": deleted%s id=%08lx dn=\"%s\"\n",
 548                 op->o_noop ? " (no-op)" : "",
 549                 eid, op->o_req_dn.bv_val );
 550         rs->sr_err = LDAP_SUCCESS;
 551         rs->sr_text = NULL;
 552         if( num_ctrls ) rs->sr_ctrls = ctrls;
 553
 554 return_results:
 555         if ( rs->sr_err == LDAP_SUCCESS && parent_is_glue && parent_is_leaf ) {
 556                 op->o_delete_glue_parent = 1;
 557         }
 558
 559         if ( p )
 560                 mdb_unlocked_cache_return_entry_r(&mdb->bi_cache, p);
 561
 562         /* free entry */
 563         if( e != NULL ) {
 564                 if ( rs->sr_err == LDAP_SUCCESS ) {
 565                         /* Free the EntryInfo and the Entry */
 566                         mdb_cache_entryinfo_lock( BEI(e) );
 567                         mdb_cache_delete_cleanup( &mdb->bi_cache, BEI(e) );
 568                 } else {
 569                         mdb_unlocked_cache_return_entry_w(&mdb->bi_cache, e);
 570                 }
 571         }
 572
 573         if( ltid != NULL ) {
 574                 TXN_ABORT( ltid );
 575         }
 576         if ( opinfo.boi_oe.oe_key ) {
 577                 LDAP_SLIST_REMOVE( &op->o_extra, &opinfo.boi_oe, OpExtra, oe_next );
 578         }
 579
 580         send_ldap_result( op, rs );
 581         slap_graduate_commit_csn( op );
 582
 583         if( preread_ctrl != NULL && (*preread_ctrl) != NULL ) {
 584                 slap_sl_free( (*preread_ctrl)->ldctl_value.bv_val, op->o_tmpmemctx );
 585                 slap_sl_free( *preread_ctrl, op->o_tmpmemctx );
 586         }
 587
 588         if( rs->sr_err == LDAP_SUCCESS && mdb->bi_txn_cp_kbyte ) {
 589                 TXN_CHECKPOINT( mdb->bi_dbenv,
 590                         mdb->bi_txn_cp_kbyte, mdb->bi_txn_cp_min, 0 );
 591         }
 592         return rs->sr_err;
 593 }