source4/torture/basic/delaywrite.c

   1 /*
   2    Unix SMB/CIFS implementation.
   3
   4    test suite for delayed write update
   5
   6    Copyright (C) Volker Lendecke 2004
   7    Copyright (C) Andrew Tridgell 2004
   8    Copyright (C) Jeremy Allison 2004
   9
  10    This program is free software; you can redistribute it and/or modify
  11    it under the terms of the GNU General Public License as published by
  12    the Free Software Foundation; either version 2 of the License, or
  13    (at your option) any later version.
  14
  15    This program is distributed in the hope that it will be useful,
  16    but WITHOUT ANY WARRANTY; without even the implied warranty of
  17    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18    GNU General Public License for more details.
  19
  20    You should have received a copy of the GNU General Public License
  21    along with this program; if not, write to the Free Software
  22    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  23 */
  24
  25 #include "includes.h"
  26 #include "libcli/raw/libcliraw.h"
  27 #include "system/time.h"
  28 #include "system/filesys.h"
  29
  30 #define BASEDIR "\\delaywrite"
  31
  32 static BOOL test_delayed_write_update(struct smbcli_state *cli, TALLOC_CTX *mem_ctx)
  33 {
  34         union smb_fileinfo finfo1, finfo2;
  35         const char *fname = BASEDIR "\\torture_file.txt";
  36         NTSTATUS status;
  37         int fnum1 = -1;
  38         BOOL ret = True;
  39         ssize_t written;
  40         time_t t;
  41
  42         printf("Testing delayed update of write time\n");
  43
  44         if (!torture_setup_dir(cli, BASEDIR)) {
  45                 return False;
  46         }
  47
  48         fnum1 = smbcli_open(cli->tree, fname, O_RDWR|O_CREAT, DENY_NONE);
  49         if (fnum1 == -1) {
  50                 printf("Failed to open %s\n", fname);
  51                 return False;
  52         }
  53
  54         finfo1.basic_info.level = RAW_FILEINFO_BASIC_INFO;
  55         finfo1.basic_info.in.fnum = fnum1;
  56         finfo2 = finfo1;
  57
  58         status = smb_raw_fileinfo(cli->tree, mem_ctx, &finfo1);
  59
  60         if (!NT_STATUS_IS_OK(status)) {
  61                 DEBUG(0, ("fileinfo failed: %s\n", nt_errstr(status)));
  62                 return False;
  63         }
  64
  65         printf("Initial write time %s\n",
  66                nt_time_string(mem_ctx, finfo1.basic_info.out.write_time));
  67
  68         /* 3 second delay to ensure we get past any 2 second time
  69            granularity (older systems may have that) */
  70         sleep(3);
  71
  72         written =  smbcli_write(cli->tree, fnum1, 0, "x", 0, 1);
  73
  74         if (written != 1) {
  75                 printf("write failed - wrote %d bytes (%s)\n",
  76                        (int)written, __location__);
  77                 return False;
  78         }
  79
  80         t = time(NULL);
  81
  82         while (time(NULL) < t+120) {
  83                 status = smb_raw_fileinfo(cli->tree, mem_ctx, &finfo2);
  84
  85                 if (!NT_STATUS_IS_OK(status)) {
  86                         DEBUG(0, ("fileinfo failed: %s\n", nt_errstr(status)));
  87                         ret = False;
  88                         break;
  89                 }
  90                 printf("write time %s\n",
  91                        nt_time_string(mem_ctx, finfo2.basic_info.out.write_time));
  92                 if (finfo1.basic_info.out.write_time != finfo2.basic_info.out.write_time) {
  93                         printf("Server updated write_time after %d seconds\n",
  94                                (int)(time(NULL) - t));
  95                         break;
  96                 }
  97                 sleep(1);
  98                 fflush(stdout);
  99         }
 100
 101         if (finfo1.basic_info.out.write_time == finfo2.basic_info.out.write_time) {
 102                 printf("Server did not update write time?!\n");
 103                 ret = False;
 104         }
 105
 106
 107         if (fnum1 != -1)
 108                 smbcli_close(cli->tree, fnum1);
 109         smbcli_unlink(cli->tree, fname);
 110         smbcli_deltree(cli->tree, BASEDIR);
 111
 112         return ret;
 113 }
 114
 115 /*
 116  * Do as above, but using 2 connections.
 117  */
 118
 119 static BOOL test_delayed_write_update2(struct smbcli_state *cli, TALLOC_CTX *mem_ctx)
 120 {
 121         struct smbcli_state *cli2=NULL;
 122         union smb_fileinfo finfo1, finfo2;
 123         const char *fname = BASEDIR "\\torture_file.txt";
 124         NTSTATUS status;
 125         int fnum1 = -1;
 126         int fnum2 = -1;
 127         BOOL ret = True;
 128         ssize_t written;
 129         time_t t;
 130         struct smb_flush flsh;
 131
 132         printf("Testing delayed update of write time using 2 connections\n");
 133
 134         if (!torture_open_connection(&cli2)) {
 135                 return False;
 136         }
 137
 138         if (!torture_setup_dir(cli, BASEDIR)) {
 139                 return False;
 140         }
 141
 142         fnum1 = smbcli_open(cli->tree, fname, O_RDWR|O_CREAT, DENY_NONE);
 143         if (fnum1 == -1) {
 144                 printf("Failed to open %s\n", fname);
 145                 return False;
 146         }
 147
 148         finfo1.basic_info.level = RAW_FILEINFO_BASIC_INFO;
 149         finfo1.basic_info.in.fnum = fnum1;
 150         finfo2 = finfo1;
 151
 152         status = smb_raw_fileinfo(cli->tree, mem_ctx, &finfo1);
 153
 154         if (!NT_STATUS_IS_OK(status)) {
 155                 DEBUG(0, ("fileinfo failed: %s\n", nt_errstr(status)));
 156                 return False;
 157         }
 158
 159         printf("Initial write time %s\n",
 160                nt_time_string(mem_ctx, finfo1.basic_info.out.write_time));
 161
 162         /* 3 second delay to ensure we get past any 2 second time
 163            granularity (older systems may have that) */
 164         sleep(3);
 165
 166         {
 167                 /* Try using setfileinfo instead of write to update write time. */
 168                 union smb_setfileinfo sfinfo;
 169                 time_t t_set = time(NULL);
 170                 sfinfo.basic_info.level = RAW_SFILEINFO_BASIC_INFO;
 171                 sfinfo.basic_info.file.fnum = fnum1;
 172                 sfinfo.basic_info.in.create_time = finfo1.basic_info.out.create_time;
 173                 sfinfo.basic_info.in.access_time = finfo1.basic_info.out.access_time;
 174
 175                 /* I tried this with both + and - ve to see if it makes a different.
 176                    It doesn't - once the filetime is set via setfileinfo it stays that way. */
 177 #if 1
 178                 unix_to_nt_time(&sfinfo.basic_info.in.write_time, t_set - 30000);
 179 #else
 180                 unix_to_nt_time(&sfinfo.basic_info.in.write_time, t_set + 30000);
 181 #endif
 182                 sfinfo.basic_info.in.change_time = finfo1.basic_info.out.change_time;
 183                 sfinfo.basic_info.in.attrib = finfo1.basic_info.out.attrib;
 184
 185                 status = smb_raw_setfileinfo(cli->tree, &sfinfo);
 186
 187                 if (!NT_STATUS_IS_OK(status)) {
 188                         DEBUG(0, ("sfileinfo failed: %s\n", nt_errstr(status)));
 189                         return False;
 190                 }
 191         }
 192
 193         t = time(NULL);
 194
 195         while (time(NULL) < t+120) {
 196                 finfo2.basic_info.in.fname = fname;
 197
 198                 status = smb_raw_pathinfo(cli2->tree, mem_ctx, &finfo2);
 199
 200                 if (!NT_STATUS_IS_OK(status)) {
 201                         DEBUG(0, ("fileinfo failed: %s\n", nt_errstr(status)));
 202                         ret = False;
 203                         break;
 204                 }
 205                 printf("write time %s\n",
 206                        nt_time_string(mem_ctx, finfo2.basic_info.out.write_time));
 207                 if (finfo1.basic_info.out.write_time != finfo2.basic_info.out.write_time) {
 208                         printf("Server updated write_time after %d seconds\n",
 209                                (int)(time(NULL) - t));
 210                         break;
 211                 }
 212                 sleep(1);
 213                 fflush(stdout);
 214         }
 215
 216         if (finfo1.basic_info.out.write_time == finfo2.basic_info.out.write_time) {
 217                 printf("Server did not update write time?!\n");
 218                 ret = False;
 219         }
 220
 221         /* Now try a write to see if the write time gets reset. */
 222
 223         finfo1.basic_info.level = RAW_FILEINFO_BASIC_INFO;
 224         finfo1.basic_info.in.fnum = fnum1;
 225         finfo2 = finfo1;
 226
 227         status = smb_raw_fileinfo(cli->tree, mem_ctx, &finfo1);
 228
 229         if (!NT_STATUS_IS_OK(status)) {
 230                 DEBUG(0, ("fileinfo failed: %s\n", nt_errstr(status)));
 231                 return False;
 232         }
 233
 234         printf("Modified write time %s\n",
 235                nt_time_string(mem_ctx, finfo1.basic_info.out.write_time));
 236
 237
 238         printf("Doing a 10 byte write to extend the file and see if this changes the last write time.\n");
 239
 240         written =  smbcli_write(cli->tree, fnum1, 0, "0123456789", 1, 10);
 241
 242         if (written != 10) {
 243                 printf("write failed - wrote %d bytes (%s)\n",
 244                        (int)written, __location__);
 245                 return False;
 246         }
 247
 248         /* Just to prove to tridge that the an smbflush has no effect on
 249            the write time :-). The setfileinfo IS STICKY. JRA. */
 250
 251         printf("Doing flush after write\n");
 252
 253         flsh.in.fnum = fnum1;
 254         status = smb_raw_flush(cli->tree, &flsh);
 255         if (!NT_STATUS_IS_OK(status)) {
 256                 DEBUG(0, ("smbflush failed: %s\n", nt_errstr(status)));
 257                 return False;
 258         }
 259
 260         t = time(NULL);
 261
 262         /* Once the time was set using setfileinfo then it stays set - writes
 263            don't have any effect. But make sure. */
 264
 265         while (time(NULL) < t+15) {
 266                 status = smb_raw_fileinfo(cli->tree, mem_ctx, &finfo2);
 267
 268                 if (!NT_STATUS_IS_OK(status)) {
 269                         DEBUG(0, ("fileinfo failed: %s\n", nt_errstr(status)));
 270                         ret = False;
 271                         break;
 272                 }
 273                 printf("write time %s\n",
 274                        nt_time_string(mem_ctx, finfo2.basic_info.out.write_time));
 275                 if (finfo1.basic_info.out.write_time != finfo2.basic_info.out.write_time) {
 276                         printf("Server updated write_time after %d seconds\n",
 277                                (int)(time(NULL) - t));
 278                         break;
 279                 }
 280                 sleep(1);
 281                 fflush(stdout);
 282         }
 283
 284         if (finfo1.basic_info.out.write_time == finfo2.basic_info.out.write_time) {
 285                 printf("Server did not update write time\n");
 286         }
 287
 288         fnum2 = smbcli_open(cli->tree, fname, O_RDWR, DENY_NONE);
 289         if (fnum2 == -1) {
 290                 printf("Failed to open %s\n", fname);
 291                 return False;
 292         }
 293
 294         printf("Doing a 10 byte write to extend the file via second fd and see if this changes the last write time.\n");
 295
 296         written =  smbcli_write(cli->tree, fnum2, 0, "0123456789", 11, 10);
 297
 298         if (written != 10) {
 299                 printf("write failed - wrote %d bytes (%s)\n",
 300                        (int)written, __location__);
 301                 return False;
 302         }
 303
 304         status = smb_raw_fileinfo(cli->tree, mem_ctx, &finfo2);
 305
 306         if (!NT_STATUS_IS_OK(status)) {
 307                 DEBUG(0, ("fileinfo failed: %s\n", nt_errstr(status)));
 308                 return False;
 309         }
 310         printf("write time %s\n",
 311                nt_time_string(mem_ctx, finfo2.basic_info.out.write_time));
 312         if (finfo1.basic_info.out.write_time != finfo2.basic_info.out.write_time) {
 313                 printf("Server updated write_time\n");
 314         }
 315
 316         printf("Closing the first fd to see if write time updated.\n");
 317         smbcli_close(cli->tree, fnum1);
 318         fnum1 = -1;
 319
 320         printf("Doing a 10 byte write to extend the file via second fd and see if this changes the last write time.\n");
 321
 322         written =  smbcli_write(cli->tree, fnum2, 0, "0123456789", 21, 10);
 323
 324         if (written != 10) {
 325                 printf("write failed - wrote %d bytes (%s)\n",
 326                        (int)written, __location__);
 327                 return False;
 328         }
 329
 330         finfo1.basic_info.level = RAW_FILEINFO_BASIC_INFO;
 331         finfo1.basic_info.in.fnum = fnum2;
 332         finfo2 = finfo1;
 333         status = smb_raw_fileinfo(cli->tree, mem_ctx, &finfo2);
 334
 335         if (!NT_STATUS_IS_OK(status)) {
 336                 DEBUG(0, ("fileinfo failed: %s\n", nt_errstr(status)));
 337                 return False;
 338         }
 339         printf("write time %s\n",
 340                nt_time_string(mem_ctx, finfo2.basic_info.out.write_time));
 341         if (finfo1.basic_info.out.write_time != finfo2.basic_info.out.write_time) {
 342                 printf("Server updated write_time\n");
 343         }
 344
 345         t = time(NULL);
 346
 347         /* Once the time was set using setfileinfo then it stays set - writes
 348            don't have any effect. But make sure. */
 349
 350         while (time(NULL) < t+15) {
 351                 status = smb_raw_fileinfo(cli->tree, mem_ctx, &finfo2);
 352
 353                 if (!NT_STATUS_IS_OK(status)) {
 354                         DEBUG(0, ("fileinfo failed: %s\n", nt_errstr(status)));
 355                         ret = False;
 356                         break;
 357                 }
 358                 printf("write time %s\n",
 359                        nt_time_string(mem_ctx, finfo2.basic_info.out.write_time));
 360                 if (finfo1.basic_info.out.write_time != finfo2.basic_info.out.write_time) {
 361                         printf("Server updated write_time after %d seconds\n",
 362                                (int)(time(NULL) - t));
 363                         break;
 364                 }
 365                 sleep(1);
 366                 fflush(stdout);
 367         }
 368
 369         if (finfo1.basic_info.out.write_time == finfo2.basic_info.out.write_time) {
 370                 printf("Server did not update write time\n");
 371         }
 372
 373         printf("Closing both fd's to see if write time updated.\n");
 374
 375         smbcli_close(cli->tree, fnum2);
 376         fnum2 = -1;
 377
 378         fnum1 = smbcli_open(cli->tree, fname, O_RDWR, DENY_NONE);
 379         if (fnum1 == -1) {
 380                 printf("Failed to open %s\n", fname);
 381                 return False;
 382         }
 383
 384         finfo1.basic_info.level = RAW_FILEINFO_BASIC_INFO;
 385         finfo1.basic_info.in.fnum = fnum1;
 386         finfo2 = finfo1;
 387
 388         status = smb_raw_fileinfo(cli->tree, mem_ctx, &finfo1);
 389
 390         if (!NT_STATUS_IS_OK(status)) {
 391                 DEBUG(0, ("fileinfo failed: %s\n", nt_errstr(status)));
 392                 return False;
 393         }
 394
 395         printf("Second open initial write time %s\n",
 396                nt_time_string(mem_ctx, finfo1.basic_info.out.write_time));
 397
 398         sleep(10);
 399         printf("Doing a 10 byte write to extend the file to see if this changes the last write time.\n");
 400
 401         written =  smbcli_write(cli->tree, fnum1, 0, "0123456789", 31, 10);
 402
 403         if (written != 10) {
 404                 printf("write failed - wrote %d bytes (%s)\n",
 405                        (int)written, __location__);
 406                 return False;
 407         }
 408
 409         finfo1.basic_info.level = RAW_FILEINFO_BASIC_INFO;
 410         finfo1.basic_info.in.fnum = fnum1;
 411         finfo2 = finfo1;
 412         status = smb_raw_fileinfo(cli->tree, mem_ctx, &finfo2);
 413
 414         if (!NT_STATUS_IS_OK(status)) {
 415                 DEBUG(0, ("fileinfo failed: %s\n", nt_errstr(status)));
 416                 return False;
 417         }
 418         printf("write time %s\n",
 419                nt_time_string(mem_ctx, finfo2.basic_info.out.write_time));
 420         if (finfo1.basic_info.out.write_time != finfo2.basic_info.out.write_time) {
 421                 printf("Server updated write_time\n");
 422         }
 423
 424         t = time(NULL);
 425
 426         /* Once the time was set using setfileinfo then it stays set - writes
 427            don't have any effect. But make sure. */
 428
 429         while (time(NULL) < t+15) {
 430                 status = smb_raw_fileinfo(cli->tree, mem_ctx, &finfo2);
 431
 432                 if (!NT_STATUS_IS_OK(status)) {
 433                         DEBUG(0, ("fileinfo failed: %s\n", nt_errstr(status)));
 434                         ret = False;
 435                         break;
 436                 }
 437                 printf("write time %s\n",
 438                        nt_time_string(mem_ctx, finfo2.basic_info.out.write_time));
 439                 if (finfo1.basic_info.out.write_time != finfo2.basic_info.out.write_time) {
 440                         printf("Server updated write_time after %d seconds\n",
 441                                (int)(time(NULL) - t));
 442                         break;
 443                 }
 444                 sleep(1);
 445                 fflush(stdout);
 446         }
 447
 448         if (finfo1.basic_info.out.write_time == finfo2.basic_info.out.write_time) {
 449                 printf("Server did not update write time\n");
 450         }
 451
 452
 453         /* One more test to do. We should read the filetime via findfirst on the
 454            second connection to ensure it's the same. This is very easy for a Windows
 455            server but a bastard to get right on a POSIX server. JRA. */
 456
 457         if (cli2 != NULL) {
 458                 torture_close_connection(cli2);
 459         }
 460         if (fnum1 != -1)
 461                 smbcli_close(cli->tree, fnum1);
 462         smbcli_unlink(cli->tree, fname);
 463         smbcli_deltree(cli->tree, BASEDIR);
 464
 465         return ret;
 466 }
 467
 468
 469 /* Windows does obviously not update the stat info during a write call. I
 470  * *think* this is the problem causing a spurious Excel 2003 on XP error
 471  * message when saving a file. Excel does a setfileinfo, writes, and then does
 472  * a getpath(!)info. Or so... For Samba sometimes it displays an error message
 473  * that the file might have been changed in between. What i've been able to
 474  * trace down is that this happens if the getpathinfo after the write shows a
 475  * different last write time than the setfileinfo showed. This is really
 476  * nasty....
 477  */
 478
 479 static BOOL test_finfo_after_write(struct smbcli_state *cli, TALLOC_CTX *mem_ctx)
 480 {
 481         union smb_fileinfo finfo1, finfo2;
 482         const char *fname = BASEDIR "\\torture_file.txt";
 483         NTSTATUS status;
 484         int fnum1 = -1;
 485         int fnum2;
 486         BOOL ret = True;
 487         ssize_t written;
 488         struct smbcli_state *cli2=NULL;
 489
 490         printf("Testing finfo update on close\n");
 491
 492         if (!torture_setup_dir(cli, BASEDIR)) {
 493                 return False;
 494         }
 495
 496         fnum1 = smbcli_open(cli->tree, fname, O_RDWR|O_CREAT, DENY_NONE);
 497         if (fnum1 == -1) {
 498                 ret = False;
 499                 goto done;
 500         }
 501
 502         finfo1.basic_info.level = RAW_FILEINFO_BASIC_INFO;
 503         finfo1.basic_info.in.fnum = fnum1;
 504
 505         status = smb_raw_fileinfo(cli->tree, mem_ctx, &finfo1);
 506
 507         if (!NT_STATUS_IS_OK(status)) {
 508                 DEBUG(0, ("fileinfo failed: %s\n", nt_errstr(status)));
 509                 ret = False;
 510                 goto done;
 511         }
 512
 513         msleep(1000);
 514
 515         written =  smbcli_write(cli->tree, fnum1, 0, "x", 0, 1);
 516
 517         if (written != 1) {
 518                 printf("(%s) written gave %d - should have been 1\n",
 519                        __location__, (int)written);
 520                 ret = False;
 521                 goto done;
 522         }
 523
 524         if (!torture_open_connection(&cli2)) {
 525                 return False;
 526         }
 527
 528         fnum2 = smbcli_open(cli2->tree, fname, O_RDWR, DENY_NONE);
 529         if (fnum2 == -1) {
 530                 printf("(%s) failed to open 2nd time - %s\n",
 531                        __location__, smbcli_errstr(cli2->tree));
 532                 ret = False;
 533                 goto done;
 534         }
 535
 536         written =  smbcli_write(cli2->tree, fnum2, 0, "x", 0, 1);
 537
 538         if (written != 1) {
 539                 printf("(%s) written gave %d - should have been 1\n",
 540                        __location__, (int)written);
 541                 ret = False;
 542                 goto done;
 543         }
 544
 545         finfo2.basic_info.level = RAW_FILEINFO_BASIC_INFO;
 546         finfo2.basic_info.in.fname = fname;
 547
 548         status = smb_raw_pathinfo(cli2->tree, mem_ctx, &finfo2);
 549
 550         if (!NT_STATUS_IS_OK(status)) {
 551                 DEBUG(0, ("(%s) fileinfo failed: %s\n",
 552                           __location__, nt_errstr(status)));
 553                 ret = False;
 554                 goto done;
 555         }
 556
 557         if (finfo1.basic_info.out.create_time !=
 558             finfo2.basic_info.out.create_time) {
 559                 printf("(%s) create_time changed\n", __location__);
 560                 ret = False;
 561                 goto done;
 562         }
 563
 564         if (finfo1.basic_info.out.access_time !=
 565             finfo2.basic_info.out.access_time) {
 566                 printf("(%s) access_time changed\n", __location__);
 567                 ret = False;
 568                 goto done;
 569         }
 570
 571         if (finfo1.basic_info.out.write_time !=
 572             finfo2.basic_info.out.write_time) {
 573                 printf("(%s) write_time changed\n", __location__);
 574                 printf("write time conn 1 = %s, conn 2 = %s\n",
 575                        nt_time_string(mem_ctx, finfo1.basic_info.out.write_time),
 576                        nt_time_string(mem_ctx, finfo2.basic_info.out.write_time));
 577                 ret = False;
 578                 goto done;
 579         }
 580
 581         if (finfo1.basic_info.out.change_time !=
 582             finfo2.basic_info.out.change_time) {
 583                 printf("(%s) change_time changed\n", __location__);
 584                 ret = False;
 585                 goto done;
 586         }
 587
 588         /* One of the two following calls updates the qpathinfo. */
 589
 590         /* If you had skipped the smbcli_write on fnum2, it would
 591          * *not* have updated the stat on disk */
 592
 593         smbcli_close(cli2->tree, fnum2);
 594         torture_close_connection(cli2);
 595         cli2 = NULL;
 596
 597         /* This call is only for the people looking at ethereal :-) */
 598         finfo2.basic_info.level = RAW_FILEINFO_BASIC_INFO;
 599         finfo2.basic_info.in.fname = fname;
 600
 601         status = smb_raw_pathinfo(cli->tree, mem_ctx, &finfo2);
 602
 603         if (!NT_STATUS_IS_OK(status)) {
 604                 DEBUG(0, ("fileinfo failed: %s\n", nt_errstr(status)));
 605                 ret = False;
 606                 goto done;
 607         }
 608
 609  done:
 610         if (fnum1 != -1)
 611                 smbcli_close(cli->tree, fnum1);
 612         smbcli_unlink(cli->tree, fname);
 613         smbcli_deltree(cli->tree, BASEDIR);
 614         if (cli2 != NULL) {
 615                 torture_close_connection(cli2);
 616         }
 617
 618         return ret;
 619 }
 620
 621
 622 /*
 623    testing of delayed update of write_time
 624 */
 625 BOOL torture_delay_write(void)
 626 {
 627         struct smbcli_state *cli;
 628         BOOL ret = True;
 629         TALLOC_CTX *mem_ctx;
 630
 631         if (!torture_open_connection(&cli)) {
 632                 return False;
 633         }
 634
 635         mem_ctx = talloc_init("torture_delay_write");
 636
 637         ret &= test_finfo_after_write(cli, mem_ctx);
 638         ret &= test_delayed_write_update(cli, mem_ctx);
 639         ret &= test_delayed_write_update2(cli, mem_ctx);
 640
 641         torture_close_connection(cli);
 642         talloc_free(mem_ctx);
 643         return ret;
 644 }