module/splat/splat-vnode.c

   1 /*****************************************************************************\
   2  *  Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC.
   3  *  Copyright (C) 2007 The Regents of the University of California.
   4  *  Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER).
   5  *  Written by Brian Behlendorf <behlendorf1@llnl.gov>.
   6  *  UCRL-CODE-235197
   7  *
   8  *  This file is part of the SPL, Solaris Porting Layer.
   9  *  For details, see <http://github.com/behlendorf/spl/>.
  10  *
  11  *  The SPL is free software; you can redistribute it and/or modify it
  12  *  under the terms of the GNU General Public License as published by the
  13  *  Free Software Foundation; either version 2 of the License, or (at your
  14  *  option) any later version.
  15  *
  16  *  The SPL is distributed in the hope that it will be useful, but WITHOUT
  17  *  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  18  *  FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  19  *  for more details.
  20  *
  21  *  You should have received a copy of the GNU General Public License along
  22  *  with the SPL.  If not, see <http://www.gnu.org/licenses/>.
  23  *****************************************************************************
  24  *  Solaris Porting LAyer Tests (SPLAT) Vnode Tests.
  25 \*****************************************************************************/
  26
  27 #include <sys/vnode.h>
  28 #include "splat-internal.h"
  29
  30 #define SPLAT_VNODE_NAME                "vnode"
  31 #define SPLAT_VNODE_DESC                "Kernel Vnode Tests"
  32
  33 #define SPLAT_VNODE_TEST1_ID            0x0901
  34 #define SPLAT_VNODE_TEST1_NAME          "vn_open"
  35 #define SPLAT_VNODE_TEST1_DESC          "Vn_open Test"
  36
  37 #define SPLAT_VNODE_TEST2_ID            0x0902
  38 #define SPLAT_VNODE_TEST2_NAME          "vn_openat"
  39 #define SPLAT_VNODE_TEST2_DESC          "Vn_openat Test"
  40
  41 #define SPLAT_VNODE_TEST3_ID            0x0903
  42 #define SPLAT_VNODE_TEST3_NAME          "vn_rdwr"
  43 #define SPLAT_VNODE_TEST3_DESC          "Vn_rdwrt Test"
  44
  45 #define SPLAT_VNODE_TEST4_ID            0x0904
  46 #define SPLAT_VNODE_TEST4_NAME          "vn_rename"
  47 #define SPLAT_VNODE_TEST4_DESC          "Vn_rename Test"
  48
  49 #define SPLAT_VNODE_TEST5_ID            0x0905
  50 #define SPLAT_VNODE_TEST5_NAME          "vn_getattr"
  51 #define SPLAT_VNODE_TEST5_DESC          "Vn_getattr Test"
  52
  53 #define SPLAT_VNODE_TEST6_ID            0x0906
  54 #define SPLAT_VNODE_TEST6_NAME          "vn_sync"
  55 #define SPLAT_VNODE_TEST6_DESC          "Vn_sync Test"
  56
  57 #define SPLAT_VNODE_TEST_FILE           "/etc/fstab"
  58 #define SPLAT_VNODE_TEST_FILE_AT        "etc/fstab"
  59 #define SPLAT_VNODE_TEST_FILE_RW        "/tmp/spl.vnode.tmp"
  60 #define SPLAT_VNODE_TEST_FILE_RW1       "/tmp/spl.vnode.tmp.1"
  61 #define SPLAT_VNODE_TEST_FILE_RW2       "/tmp/spl.vnode.tmp.2"
  62
  63 static int
  64 splat_vnode_user_cmd(struct file *file, void *arg,
  65                      char *name, char *cmd)
  66 {
  67         char sh_path[] = "/bin/sh";
  68         char *argv[] = { sh_path,
  69                          "-c",
  70                          cmd,
  71                          NULL };
  72         char *envp[] = { "HOME=/",
  73                          "TERM=linux",
  74                          "PATH=/sbin:/usr/sbin:/bin:/usr/bin",
  75                          NULL };
  76         int rc;
  77
  78         rc = call_usermodehelper(sh_path, argv, envp, UMH_WAIT_PROC);
  79         if (rc) {
  80                 splat_vprint(file, name,
  81                              "Failed command: %s %s %s (%d)\n",
  82                              argv[0], argv[1], cmd, rc);
  83                 return -EPERM;
  84         }
  85
  86         return 0;
  87 }
  88
  89 static int
  90 splat_vnode_unlink_all(struct file *file, void *arg, char *name)
  91 {
  92         char *cmds[] = { "rm -f " SPLAT_VNODE_TEST_FILE_RW,
  93                          "rm -f " SPLAT_VNODE_TEST_FILE_RW1,
  94                          "rm -f " SPLAT_VNODE_TEST_FILE_RW2,
  95                          NULL };
  96         int i = 0, rc = 0;
  97
  98         while (cmds[i] != NULL) {
  99                 if ((rc = splat_vnode_user_cmd(file, arg, name, cmds[i])))
 100                         return rc;
 101
 102                 i++;
 103         }
 104
 105         return rc;
 106 }
 107
 108 static int
 109 splat_vnode_test1(struct file *file, void *arg)
 110 {
 111         vnode_t *vp;
 112         int rc;
 113
 114         if ((rc = vn_open(SPLAT_VNODE_TEST_FILE, UIO_SYSSPACE,
 115                           FREAD, 0644, &vp, 0, 0))) {
 116                 splat_vprint(file, SPLAT_VNODE_TEST1_NAME,
 117                              "Failed to vn_open test file: %s (%d)\n",
 118                              SPLAT_VNODE_TEST_FILE, rc);
 119                 return -rc;
 120         }
 121
 122         rc = VOP_CLOSE(vp, 0, 0, 0, 0, 0);
 123
 124         if (rc) {
 125                 splat_vprint(file, SPLAT_VNODE_TEST1_NAME,
 126                              "Failed to vn_close test file: %s (%d)\n",
 127                              SPLAT_VNODE_TEST_FILE, rc);
 128                 return -rc;
 129         }
 130
 131         splat_vprint(file, SPLAT_VNODE_TEST1_NAME, "Successfully vn_open'ed "
 132                      "and vn_closed test file: %s\n", SPLAT_VNODE_TEST_FILE);
 133
 134         return -rc;
 135 } /* splat_vnode_test1() */
 136
 137 static int
 138 splat_vnode_test2(struct file *file, void *arg)
 139 {
 140         vnode_t *vp;
 141         int rc;
 142
 143         if ((rc = vn_openat(SPLAT_VNODE_TEST_FILE_AT, UIO_SYSSPACE,
 144                             FREAD, 0644, &vp, 0, 0, rootdir, 0))) {
 145                 splat_vprint(file, SPLAT_VNODE_TEST2_NAME,
 146                              "Failed to vn_openat test file: %s (%d)\n",
 147                              SPLAT_VNODE_TEST_FILE, rc);
 148                 return -rc;
 149         }
 150
 151         rc = VOP_CLOSE(vp, 0, 0, 0, 0, 0);
 152
 153         if (rc) {
 154                 splat_vprint(file, SPLAT_VNODE_TEST2_NAME,
 155                              "Failed to vn_close test file: %s (%d)\n",
 156                              SPLAT_VNODE_TEST_FILE, rc);
 157                 return -rc;
 158         }
 159
 160         splat_vprint(file, SPLAT_VNODE_TEST2_NAME, "Successfully vn_openat'ed "
 161                      "and vn_closed test file: %s\n", SPLAT_VNODE_TEST_FILE);
 162
 163         return -rc;
 164 } /* splat_vnode_test2() */
 165
 166 static int
 167 splat_vnode_test3(struct file *file, void *arg)
 168 {
 169         vnode_t *vp;
 170         char buf1[32] = "SPL VNode Interface Test File\n";
 171         char buf2[32] = "";
 172         int rc;
 173
 174         if ((rc = splat_vnode_unlink_all(file, arg, SPLAT_VNODE_TEST3_NAME)))
 175                 return rc;
 176
 177         if ((rc = vn_open(SPLAT_VNODE_TEST_FILE_RW, UIO_SYSSPACE,
 178                           FWRITE | FREAD | FCREAT | FEXCL,
 179                           0644, &vp, 0, 0))) {
 180                 splat_vprint(file, SPLAT_VNODE_TEST3_NAME,
 181                              "Failed to vn_open test file: %s (%d)\n",
 182                              SPLAT_VNODE_TEST_FILE_RW, rc);
 183                 return -rc;
 184         }
 185
 186         rc = vn_rdwr(UIO_WRITE, vp, buf1, strlen(buf1), 0,
 187                      UIO_SYSSPACE, 0, RLIM64_INFINITY, 0, NULL);
 188         if (rc) {
 189                 splat_vprint(file, SPLAT_VNODE_TEST3_NAME,
 190                              "Failed vn_rdwr write of test file: %s (%d)\n",
 191                              SPLAT_VNODE_TEST_FILE_RW, rc);
 192                 goto out;
 193         }
 194
 195         rc = vn_rdwr(UIO_READ, vp, buf2, strlen(buf1), 0,
 196                      UIO_SYSSPACE, 0, RLIM64_INFINITY, 0, NULL);
 197         if (rc) {
 198                 splat_vprint(file, SPLAT_VNODE_TEST3_NAME,
 199                              "Failed vn_rdwr read of test file: %s (%d)\n",
 200                              SPLAT_VNODE_TEST_FILE_RW, rc);
 201                 goto out;
 202         }
 203
 204         if (strncmp(buf1, buf2, strlen(buf1))) {
 205                 rc = EINVAL;
 206                 splat_vprint(file, SPLAT_VNODE_TEST3_NAME,
 207                              "Failed strncmp data written does not match "
 208                              "data read\nWrote: %sRead:  %s\n", buf1, buf2);
 209                 goto out;
 210         }
 211
 212         rc = 0;
 213         splat_vprint(file, SPLAT_VNODE_TEST3_NAME, "Wrote: %s", buf1);
 214         splat_vprint(file, SPLAT_VNODE_TEST3_NAME, "Read:  %s", buf2);
 215         splat_vprint(file, SPLAT_VNODE_TEST3_NAME, "Successfully wrote and "
 216                      "read expected data pattern to test file: %s\n",
 217                      SPLAT_VNODE_TEST_FILE_RW);
 218
 219 out:
 220         VOP_CLOSE(vp, 0, 0, 0, 0, 0);
 221         vn_remove(SPLAT_VNODE_TEST_FILE_RW, UIO_SYSSPACE, RMFILE);
 222
 223         return -rc;
 224 } /* splat_vnode_test3() */
 225
 226 static int
 227 splat_vnode_test4(struct file *file, void *arg)
 228 {
 229         vnode_t *vp;
 230         char buf1[32] = "SPL VNode Interface Test File\n";
 231         char buf2[32] = "";
 232         int rc;
 233
 234         if ((rc = splat_vnode_unlink_all(file, arg, SPLAT_VNODE_TEST4_NAME)))
 235                 return rc;
 236
 237         if ((rc = vn_open(SPLAT_VNODE_TEST_FILE_RW1, UIO_SYSSPACE,
 238                           FWRITE | FREAD | FCREAT | FEXCL, 0644, &vp, 0, 0))) {
 239                 splat_vprint(file, SPLAT_VNODE_TEST4_NAME,
 240                              "Failed to vn_open test file: %s (%d)\n",
 241                              SPLAT_VNODE_TEST_FILE_RW1, rc);
 242                 goto out;
 243         }
 244
 245         rc = vn_rdwr(UIO_WRITE, vp, buf1, strlen(buf1), 0,
 246                      UIO_SYSSPACE, 0, RLIM64_INFINITY, 0, NULL);
 247         if (rc) {
 248                 splat_vprint(file, SPLAT_VNODE_TEST4_NAME,
 249                              "Failed vn_rdwr write of test file: %s (%d)\n",
 250                              SPLAT_VNODE_TEST_FILE_RW1, rc);
 251                 goto out2;
 252         }
 253
 254         VOP_CLOSE(vp, 0, 0, 0, 0, 0);
 255
 256         rc = vn_rename(SPLAT_VNODE_TEST_FILE_RW1,SPLAT_VNODE_TEST_FILE_RW2,0);
 257         if (rc) {
 258                 splat_vprint(file, SPLAT_VNODE_TEST4_NAME, "Failed vn_rename "
 259                              "%s -> %s (%d)\n",
 260                              SPLAT_VNODE_TEST_FILE_RW1,
 261                              SPLAT_VNODE_TEST_FILE_RW2, rc);
 262                 goto out;
 263         }
 264
 265         if ((rc = vn_open(SPLAT_VNODE_TEST_FILE_RW2, UIO_SYSSPACE,
 266                           FREAD | FEXCL, 0644, &vp, 0, 0))) {
 267                 splat_vprint(file, SPLAT_VNODE_TEST4_NAME,
 268                              "Failed to vn_open test file: %s (%d)\n",
 269                              SPLAT_VNODE_TEST_FILE_RW2, rc);
 270                 goto out;
 271         }
 272
 273         rc = vn_rdwr(UIO_READ, vp, buf2, strlen(buf1), 0,
 274                      UIO_SYSSPACE, 0, RLIM64_INFINITY, 0, NULL);
 275         if (rc) {
 276                 splat_vprint(file, SPLAT_VNODE_TEST4_NAME,
 277                              "Failed vn_rdwr read of test file: %s (%d)\n",
 278                              SPLAT_VNODE_TEST_FILE_RW2, rc);
 279                 goto out2;
 280         }
 281
 282         if (strncmp(buf1, buf2, strlen(buf1))) {
 283                 rc = EINVAL;
 284                 splat_vprint(file, SPLAT_VNODE_TEST4_NAME,
 285                              "Failed strncmp data written does not match "
 286                              "data read\nWrote: %sRead:  %s\n", buf1, buf2);
 287                 goto out2;
 288         }
 289
 290         rc = 0;
 291         splat_vprint(file, SPLAT_VNODE_TEST4_NAME, "Wrote to %s:  %s",
 292                      SPLAT_VNODE_TEST_FILE_RW1, buf1);
 293         splat_vprint(file, SPLAT_VNODE_TEST4_NAME, "Read from %s: %s",
 294                      SPLAT_VNODE_TEST_FILE_RW2, buf2);
 295         splat_vprint(file, SPLAT_VNODE_TEST4_NAME, "Successfully renamed "
 296                      "test file %s -> %s and verified data pattern\n",
 297                      SPLAT_VNODE_TEST_FILE_RW1, SPLAT_VNODE_TEST_FILE_RW2);
 298 out2:
 299         VOP_CLOSE(vp, 0, 0, 0, 0, 0);
 300 out:
 301         vn_remove(SPLAT_VNODE_TEST_FILE_RW1, UIO_SYSSPACE, RMFILE);
 302         vn_remove(SPLAT_VNODE_TEST_FILE_RW2, UIO_SYSSPACE, RMFILE);
 303
 304         return -rc;
 305 } /* splat_vnode_test4() */
 306
 307 static int
 308 splat_vnode_test5(struct file *file, void *arg)
 309 {
 310         vnode_t *vp;
 311         vattr_t vap;
 312         int rc;
 313
 314         if ((rc = vn_open(SPLAT_VNODE_TEST_FILE, UIO_SYSSPACE,
 315                           FREAD, 0644, &vp, 0, 0))) {
 316                 splat_vprint(file, SPLAT_VNODE_TEST5_NAME,
 317                              "Failed to vn_open test file: %s (%d)\n",
 318                              SPLAT_VNODE_TEST_FILE, rc);
 319                 return -rc;
 320         }
 321
 322         rc = VOP_GETATTR(vp, &vap, 0, 0, NULL);
 323         if (rc) {
 324                 splat_vprint(file, SPLAT_VNODE_TEST5_NAME,
 325                              "Failed to vn_getattr test file: %s (%d)\n",
 326                              SPLAT_VNODE_TEST_FILE, rc);
 327                 goto out;
 328         }
 329
 330         if (vap.va_type != VREG) {
 331                 rc = EINVAL;
 332                 splat_vprint(file, SPLAT_VNODE_TEST5_NAME,
 333                              "Failed expected regular file type "
 334                              "(%d != VREG): %s (%d)\n", vap.va_type,
 335                              SPLAT_VNODE_TEST_FILE, rc);
 336                 goto out;
 337         }
 338
 339         splat_vprint(file, SPLAT_VNODE_TEST1_NAME, "Successfully "
 340                      "vn_getattr'ed test file: %s\n", SPLAT_VNODE_TEST_FILE);
 341
 342 out:
 343         VOP_CLOSE(vp, 0, 0, 0, 0, 0);
 344
 345         return -rc;
 346 } /* splat_vnode_test5() */
 347
 348 static int
 349 splat_vnode_test6(struct file *file, void *arg)
 350 {
 351         vnode_t *vp;
 352         char buf[32] = "SPL VNode Interface Test File\n";
 353         int rc;
 354
 355         if ((rc = splat_vnode_unlink_all(file, arg, SPLAT_VNODE_TEST6_NAME)))
 356                 return rc;
 357
 358         if ((rc = vn_open(SPLAT_VNODE_TEST_FILE_RW, UIO_SYSSPACE,
 359                           FWRITE | FCREAT | FEXCL, 0644, &vp, 0, 0))) {
 360                 splat_vprint(file, SPLAT_VNODE_TEST6_NAME,
 361                              "Failed to vn_open test file: %s (%d)\n",
 362                              SPLAT_VNODE_TEST_FILE_RW, rc);
 363                 return -rc;
 364         }
 365
 366         rc = vn_rdwr(UIO_WRITE, vp, buf, strlen(buf), 0,
 367                      UIO_SYSSPACE, 0, RLIM64_INFINITY, 0, NULL);
 368         if (rc) {
 369                 splat_vprint(file, SPLAT_VNODE_TEST6_NAME,
 370                              "Failed vn_rdwr write of test file: %s (%d)\n",
 371                              SPLAT_VNODE_TEST_FILE_RW, rc);
 372                 goto out;
 373         }
 374
 375         rc = vn_fsync(vp, 0, 0, 0);
 376         if (rc) {
 377                 splat_vprint(file, SPLAT_VNODE_TEST6_NAME,
 378                              "Failed vn_fsync of test file: %s (%d)\n",
 379                              SPLAT_VNODE_TEST_FILE_RW, rc);
 380                 goto out;
 381         }
 382
 383         rc = 0;
 384         splat_vprint(file, SPLAT_VNODE_TEST6_NAME, "Successfully "
 385                      "fsync'ed test file %s\n", SPLAT_VNODE_TEST_FILE_RW);
 386 out:
 387         VOP_CLOSE(vp, 0, 0, 0, 0, 0);
 388         vn_remove(SPLAT_VNODE_TEST_FILE_RW, UIO_SYSSPACE, RMFILE);
 389
 390         return -rc;
 391 } /* splat_vnode_test6() */
 392
 393 splat_subsystem_t *
 394 splat_vnode_init(void)
 395 {
 396         splat_subsystem_t *sub;
 397
 398         sub = kmalloc(sizeof(*sub), GFP_KERNEL);
 399         if (sub == NULL)
 400                 return NULL;
 401
 402         memset(sub, 0, sizeof(*sub));
 403         strncpy(sub->desc.name, SPLAT_VNODE_NAME, SPLAT_NAME_SIZE);
 404         strncpy(sub->desc.desc, SPLAT_VNODE_DESC, SPLAT_DESC_SIZE);
 405         INIT_LIST_HEAD(&sub->subsystem_list);
 406         INIT_LIST_HEAD(&sub->test_list);
 407         spin_lock_init(&sub->test_lock);
 408         sub->desc.id = SPLAT_SUBSYSTEM_VNODE;
 409
 410         SPLAT_TEST_INIT(sub, SPLAT_VNODE_TEST1_NAME, SPLAT_VNODE_TEST1_DESC,
 411                         SPLAT_VNODE_TEST1_ID, splat_vnode_test1);
 412         SPLAT_TEST_INIT(sub, SPLAT_VNODE_TEST2_NAME, SPLAT_VNODE_TEST2_DESC,
 413                         SPLAT_VNODE_TEST2_ID, splat_vnode_test2);
 414         SPLAT_TEST_INIT(sub, SPLAT_VNODE_TEST3_NAME, SPLAT_VNODE_TEST3_DESC,
 415                         SPLAT_VNODE_TEST3_ID, splat_vnode_test3);
 416         SPLAT_TEST_INIT(sub, SPLAT_VNODE_TEST4_NAME, SPLAT_VNODE_TEST4_DESC,
 417                         SPLAT_VNODE_TEST4_ID, splat_vnode_test4);
 418         SPLAT_TEST_INIT(sub, SPLAT_VNODE_TEST5_NAME, SPLAT_VNODE_TEST5_DESC,
 419                         SPLAT_VNODE_TEST5_ID, splat_vnode_test5);
 420         SPLAT_TEST_INIT(sub, SPLAT_VNODE_TEST6_NAME, SPLAT_VNODE_TEST6_DESC,
 421                         SPLAT_VNODE_TEST6_ID, splat_vnode_test6);
 422
 423         return sub;
 424 } /* splat_vnode_init() */
 425
 426 void
 427 splat_vnode_fini(splat_subsystem_t *sub)
 428 {
 429         ASSERT(sub);
 430
 431         SPLAT_TEST_FINI(sub, SPLAT_VNODE_TEST6_ID);
 432         SPLAT_TEST_FINI(sub, SPLAT_VNODE_TEST5_ID);
 433         SPLAT_TEST_FINI(sub, SPLAT_VNODE_TEST4_ID);
 434         SPLAT_TEST_FINI(sub, SPLAT_VNODE_TEST3_ID);
 435         SPLAT_TEST_FINI(sub, SPLAT_VNODE_TEST2_ID);
 436         SPLAT_TEST_FINI(sub, SPLAT_VNODE_TEST1_ID);
 437
 438         kfree(sub);
 439 } /* splat_vnode_fini() */
 440
 441 int
 442 splat_vnode_id(void)
 443 {
 444         return SPLAT_SUBSYSTEM_VNODE;
 445 } /* splat_vnode_id() */