common.config

   1 ##/bin/sh
   2 #
   3 # Copyright (c) 2000-2003,2006 Silicon Graphics, Inc.  All Rights Reserved.
   4 #
   5 # setup and check for config parameters, and in particular
   6 #
   7 # TEST_DIR              - scratch test directory that is in an already
   8 #                         mounted XFS file system, needs to be be world
   9 #                         writeable
  10 # TEST_DEV              - device for file system containing TEST_DIR
  11 # SCRATCH_DEV           - device you can make a scratch file system on
  12 # SCRATCH_MNT           - mount point for scratch file system
  13 #
  14 # and optionally:
  15 # SCRATCH_LOGDEV        - scratch log device for external log testing
  16 # SCRATCH_RTDEV         - scratch rt dev
  17 # TEST_LOGDEV           - test log device for external log testing
  18 # TEST_RTDEV            - test rt dev
  19 # TAPE_DEV              - the tape device for the xfsdump tests
  20 # RMT_TAPE_DEV          - the remote tape device for the xfsdump tests
  21 # RMT_IRIXTAPE_DEV      - the IRIX remote tape device for the xfsdump tests
  22 # RMT_TAPE_USER         - remote user for tape device
  23 #
  24 # - These can be added to known_hosts() below or a separate local
  25 #   configuration file can be used (using the HOST_OPTIONS variable).
  26 # - This script is shared by the stress test system and the auto-qa
  27 #   system (includes both regression test and benchmark components).
  28 # - TEST_DEV & TEST_DIR must be assigned.
  29 # - this script shouldn't make any assertions about filesystem
  30 #   validity or mountedness.
  31 #
  32
  33 # Warning: don't put freeware before /usr/bsd on IRIX coz you'll
  34 #          get the wrong hostname and set your system name to -s  :)
  35 [ -d /usr/bsd ] && PATH=$PATH:/usr/bsd
  36 [ -d /usr/freeware/bin ] && PATH=$PATH:/usr/freeware/bin
  37 PATH=".:$PATH"
  38
  39 HOST=`hostname -s`
  40 HOSTOS=`uname -s`
  41 [ "$HOSTOS" = "IRIX64" ] && HOSTOS="IRIX"
  42
  43 MODULAR=0               # using XFS as a module or not
  44 BOOT="/boot"            # install target for kernels
  45 export EXTRA=${EXTRA:=xfs-qa}
  46
  47 # general parameters (mainly for auto-qa)
  48 SOAK_PROC=3             # -p option to fsstress
  49 SOAK_STRESS=10000       # -n option to fsstress
  50 SOAK_PASSES=-1          # count of repetitions of fsstress (while soaking)
  51 EMAIL=root@localhost    # where auto-qa will send its status messages
  52 export HOST_OPTIONS=${HOST_OPTIONS:=local.config}
  53 export CHECK_OPTIONS=${CHECK_OPTIONS:="-g auto"}
  54 export BENCH_PASSES=${BENCH_PASSES:=5}
  55 export XFS_MKFS_OPTIONS=${XFS_MKFS_OPTIONS:=-bsize=4096}
  56
  57 export PWD=`pwd`
  58 #export DEBUG=${DEBUG:=...} # arbitrary CFLAGS really.
  59 export MALLOCLIB=${MALLOCLIB:=/usr/lib/libefence.a}
  60 export LOCAL_CONFIGURE_OPTIONS=${LOCAL_CONFIGURE_OPTIONS:=--enable-readline=yes}
  61
  62 # $1 = prog to look for, $2* = default pathnames if not found in $PATH
  63 set_prog_path()
  64 {
  65     p=`which $1 2> /dev/null`
  66     if [ -n "$p" -a -x "$p" ]
  67     then
  68         echo $p
  69         return 0
  70     fi
  71     p=$1
  72
  73     shift
  74     for f
  75     do
  76         if [ -x $f ]
  77         then
  78             echo $f
  79             return 0
  80         fi
  81     done
  82
  83     echo ""
  84     return 1
  85 }
  86
  87 _fatal()
  88 {
  89     echo "$*"
  90     status=1
  91     exit 1
  92 }
  93
  94 export MKFS_PROG="`set_prog_path mkfs`"
  95 [ "$MKFS_PROG" = "" ] && _fatal "mkfs not found"
  96
  97 export MOUNT_PROG="`set_prog_path mount`"
  98 [ "$MOUNT_PROG" = "" ] && _fatal "mount not found"
  99
 100 export UMOUNT_PROG="`set_prog_path umount`"
 101 [ "$UMOUNT_PROG" = "" ] && _fatal "umount not found"
 102
 103 export FSSTRESS_PROG="`set_prog_path fsstress $PWD/ltp/fsstress`"
 104 [ "$FSSTRESS_PROG" = "" ] && _fatal "fsstress not found"
 105
 106 export NSLOOKUP_PROG="`set_prog_path nslookup`"
 107 [ "$NSLOOKUP_PROG" = "" ] && _fatal "nslookup not found"
 108
 109 export PERL_PROG="`set_prog_path perl`"
 110 [ "$PERL_PROG" = "" ] && _fatal "perl not found"
 111
 112 export AWK_PROG="`set_prog_path awk`"
 113 [ "$AWK_PROG" = "" ] && _fatal "awk not found"
 114
 115 export SED_PROG="`set_prog_path sed`"
 116 [ "$SED_PROG" = "" ] && _fatal "sed not found"
 117
 118 export PS_ALL_FLAGS="-ef"
 119
 120 export DF_PROG="`set_prog_path df`"
 121 [ "$DF_PROG" = "" ] && _fatal "df not found"
 122 [ "$HOSTOS" = "Linux" ] && export DF_PROG="$DF_PROG -T"
 123
 124 export XFS_LOGPRINT_PROG="`set_prog_path xfs_logprint`"
 125 export XFS_REPAIR_PROG="`set_prog_path xfs_repair`"
 126 export XFS_CHECK_PROG="`set_prog_path xfs_check`"
 127 export XFS_DB_PROG="`set_prog_path xfs_db`"
 128 export XFS_GROWFS_PROG=`set_prog_path xfs_growfs`
 129 export XFS_IO_PROG="`set_prog_path xfs_io`"
 130
 131 case "$HOSTOS" in
 132     IRIX*)
 133            export MKFS_XFS_PROG="`set_prog_path mkfs_xfs`"
 134            export MKFS_UDF_PROG="`set_prog_path mkfs_udf`"
 135            export XFS_FSR_PROG="`set_prog_path /usr/etc/fsr_xfs`"
 136            export MKFS_NFS_PROG="false"
 137            ;;
 138     Linux)
 139            export MKFS_XFS_PROG="`set_prog_path mkfs.xfs`"
 140            export MKFS_UDF_PROG="`set_prog_path mkudffs`"
 141            export XFS_FSR_PROG="`set_prog_path xfs_fsr`"
 142            export MKFS_NFS_PROG="false"
 143            ;;
 144 esac
 145
 146 known_hosts()
 147 {
 148         case "$HOST"
 149         in
 150             sheila)
 151                 #dedicated qa machine (has some values already set)
 152                 [ -z "$MODULAR" ] && MODULAR=1
 153                 EMAIL="nathans@larry"
 154                 [ -z "$SCRATCH_MNT" ] && SCRATCH_MNT=/mnt/scratch
 155                 [ -z "$SCRATCH_DEV" ] && SCRATCH_DEV=/dev/hdb1
 156                 [ -z "$TEST_DIR" ] && TEST_DIR=/mnt/test
 157                 [ -z "$TEST_DEV" ] && TEST_DEV=/dev/hdb2
 158                 [ -z "$TEST_LOGDEV" ] && TEST_LOGDEV=/dev/hdb3
 159                 [ -z "$SCRATCH_LOGDEV" ] && SCRATCH_LOGDEV=/dev/hdb5
 160                 ;;
 161             break)
 162                 MODULAR=1
 163                 EMAIL="nathans@larry"
 164                 SCRATCH_MNT=/mnt/scratch
 165                 #SCRATCH_DEV=/dev/sda6
 166                 SCRATCH_DEV=budgie:/mnt/scratch
 167                 TEST_DIR=/mnt/test
 168                 #TEST_DEV=/dev/sda5
 169                 TEST_DEV=budgie:/mnt/test
 170                 ;;
 171             bruce)
 172                 MODULAR=0
 173                 EMAIL="nathans@larry"
 174                 SCRATCH_MNT=/mnt/scratch
 175                 SCRATCH_DEV=/dev/sdb5
 176                 SCRATCH_RTDEV=/dev/sdc1
 177                 SCRATCH_LOGDEV=/dev/ram0
 178                 TEST_DIR=/mnt/test
 179                 TEST_DEV=/dev/sdc3
 180                 TEST_RTDEV=/dev/sdb6
 181                 TEST_LOGDEV=/dev/ram1
 182                 #TAPE_DEV=/dev/st0
 183                 #RMT_TAPE_DEV=bruce:/dev/st0
 184                 #RMT_IRIXTAPE_DEV=snort:/dev/tape
 185                 #RMT_TAPE_USER=guest
 186                 ;;
 187             frodo)
 188                 MODULAR=0
 189                 EMAIL="nathans@larry"
 190                 TEST_DEV=/dev/hda6
 191                 TEST_DIR=/mnt/test
 192                 SCRATCH_DEV=/dev/hda7
 193                 SCRATCH_MNT=/mnt/scratch
 194                 SCRATCH_LOGDEV=/dev/hda9
 195                 ;;
 196             goldfish)
 197                 MODULAR=0
 198                 TEST_DEV=/dev/hdc1
 199                 TEST_DIR=/mnt/xfs0
 200                 SCRATCH_DEV=/dev/hdc2
 201                 SCRATCH_MNT=/mnt/xfs1
 202                 SCRATCH_LOGDEV=/dev/hdc3
 203                 ;;
 204             burst)
 205                 TEST_DIR=/xfs
 206                 TEST_DEV=/dev/hda3
 207                 SCRATCH_DEV=/dev/hda7
 208                 SCRATCH_MNT=/scratch
 209                 ;;
 210             lumpy)
 211                 TEST_DEV=/dev/sdc5
 212                 TEST_DIR=/mnt/scratch_0
 213                 SCRATCH_DEV=/dev/sdc7
 214                 SCRATCH_MNT=/mnt/scratch_2
 215                 ;;
 216             bongo)
 217                 TEST_DEV=/dev/hda8
 218                 TEST_DIR=/xfs1
 219                 SCRATCH_DEV=/dev/hda9
 220                 SCRATCH_MNT=/xfs2
 221                 SCRATCH_LOGDEV=/dev/hda10
 222                 SCRATCH_RTDEV=/dev/hda11
 223                 ;;
 224             surly)
 225                 TEST_DEV=/dev/hda9
 226                 TEST_DIR=/mnt/xfs1
 227                 SCRATCH_DEV=/dev/hda8
 228                 SCRATCH_MNT=/mnt/xfs0
 229                 SCRATCH_LOGDEV=/dev/hda10
 230                 TAPE_DEV=/dev/st0
 231                 RMT_TAPE_DEV=fuzzy:/dev/st0
 232                 RMT_IRIXTAPE_DEV=blub:/dev/tape
 233                 RMT_TAPE_USER=guest
 234                 ;;
 235             permit)
 236                 TEST_DEV=/dev/sdc1
 237                 TEST_DIR=/mnt/xfs0
 238                 SCRATCH_DEV=/dev/sdd1
 239                 SCRATCH_MNT=/mnt/xfs1
 240                 ;;
 241             indra)
 242                 TEST_DEV=/dev/sdb1
 243                 TEST_DIR=/mnt/xfs0
 244                 SCRATCH_DEV=/dev/sdb2
 245                 SCRATCH_MNT=/mnt/xfs1
 246                 ;;
 247             usermode)
 248                 TEST_DEV=/dev/ubd/1
 249                 TEST_DIR=/mnt/test
 250                 SCRATCH_DEV=/dev/ubd/2
 251                 SCRATCH_MNT=/mnt/scratch
 252                 SCRATCH_RTDEV=/dev/ubd/3
 253                 SCRATCH_LOGDEV=/dev/ubd/4
 254                 ;;
 255             lite)
 256                 TEST_DEV=/dev/sda1
 257                 TEST_DIR=/mnt/sda1
 258                 SCRATCH_DEV=/dev/sda2
 259                 SCRATCH_MNT=/mnt/sda2
 260                 SCRATCH_LOGDEV=/dev/sda3
 261                 SCRATCH_RTDEV=/dev/sda4
 262                 ;;
 263             dmfnt2)
 264                 TEST_DEV=/dev/sda6
 265                 TEST_DIR=/mnt/test
 266                 SCRATCH_DEV=/dev/sdc6
 267                 SCRATCH_MNT=/mnt/scratch
 268                 TAPE_DEV=/dev/st0
 269                 RMT_TAPE_DEV=longhorn:/dev/tape
 270                 # RMT_IRIXTAPE_DEV=longhorn:/dev/tape
 271                 RMT_TAPE_USER=guest
 272                 ;;
 273             lab343)
 274                 MODULAR=0
 275                 EMAIL="hch@sgi.com"
 276                 TEST_DEV=/dev/sdb1
 277                 SCRATCH_DEV=/dev/sdb2
 278                 SCRATCH_LOGDEV=/dev/sdb5
 279                 SCRATCH_RTDEV=/dev/sdb6
 280                 TEST_DIR=/qa/test
 281                 SCRATCH_MNT=/qa/scratch
 282                 ;;
 283             dribble)
 284                 #dedicated qa machine
 285                 MODULAR=0
 286                 EMAIL="ddiss@sgi.com"
 287                 TEST_DIR=/mnt/test
 288                 TEST_DEV=/dev/dsk/dks0d2s0
 289                 SCRATCH_MNT=/mnt/scratch
 290                 SCRATCH_DEV=/dev/dsk/dks0d2s6
 291                 #TAPE_DEV=/dev/tape
 292                 #RMT_TAPE_DEV=icy:/dev/st0
 293                 #RMT_TAPE_USER=guest
 294                 ;;
 295              giro)
 296                 MODULAR=0
 297                 EMAIL="ddiss@sgi.com"
 298                 TEST_DIR=/mnt/test
 299                 TEST_DEV=/dev/dsk/dks0d2s0
 300                 SCRATCH_MNT=/mnt/scratch
 301                 SCRATCH_DEV=/dev/dsk/dks0d2s6
 302                 #TAPE_DEV=/dev/tape
 303                 #RMT_TAPE_DEV=icy:/dev/st0
 304                 #RMT_TAPE_USER=guest
 305                 ;;
 306             cxfsirix1)
 307                 EMAIL="ajones@sgi.com"
 308                 TEST_DIR=/mnt/xfs_test0
 309                 TEST_DEV=/dev/cxvm/xfs_test0
 310                 SCRATCH_MNT=/mnt/xfs_test1
 311                 SCRATCH_DEV=/dev/cxvm/xfs_test1
 312                 ;;
 313             hammer)
 314                 EMAIL="bnaujok@sgi.com"
 315                 TEST_DIR=/mnt/xfs1
 316                 TEST_DEV=/dev/sda5
 317                 SCRATCH_MNT=/mnt/xfs2
 318                 SCRATCH_DEV=/dev/sda6
 319                 ;;
 320             emu)
 321                 MODULAR=0
 322                 EMAIL="vapo@sgi.com"
 323                 TEST_DIR=/mnt/test
 324                 TEST_DEV=/dev/sdb1
 325                 SCRATCH_MNT=/mnt/scratch1
 326                 SCRATCH_DEV=/dev/sdb2
 327                 ;;
 328             inferno)
 329                 #dedicated qa machine (has some values already set)
 330                 [ -z "$MODULAR" ] && MODULAR=1
 331                 EMAIL="ajones@sgi.com"
 332                 [ -z "$TEST_DIR" ] && TEST_DIR=/mnt/test
 333                 [ -z "$TEST_DEV" ] && TEST_DEV=/dev/sdb1
 334                 [ -z "$TEST_LOGDEV" ] && TEST_LOGDEV=/dev/ram0
 335                 [ -z "$SCRATCH_MNT" ] && SCRATCH_MNT=/mnt/scratch
 336                 [ -z "$SCRATCH_DEV" ] && SCRATCH_DEV=/dev/sdb2
 337                 [ -z "$SCRATCH_LOGDEV" ] && SCRATCH_LOGDEV=/dev/ram1
 338                 #[ -z "$SCRATCH_RTDEV" ] && SCRATCH_RTDEV=/dev/sdb5
 339                 [ -z "$TAPE_DEV" ] && TAPE_DEV=/dev/st0
 340                 ;;
 341             hellfire)
 342                 MODULAR=1
 343                 EMAIL="ajones@sgi.com"
 344                 TEST_DIR=/mnt/test
 345                 TEST_DEV=/dev/sda3
 346                 TEST_LOGDEV=/dev/sda5
 347                 SCRATCH_MNT=/mnt/scratch
 348                 SCRATCH_DEV=/dev/sda4
 349                 SCRATCH_LOGDEV=/dev/sda6
 350                 #SCRATCH_RTDEV=/dev/sda7
 351                 TAPE_DEV=/dev/st0
 352                 #RMT_IRIXTAPE_DEV=snort:/dev/tape
 353                 #RMT_TAPE_DEV=icy:/dev/st0
 354                 #RMT_TAPE_USER=guest
 355                 ;;
 356             rooster)
 357                 MODULAR=1
 358                 EMAIL="ajones@sgi.com"
 359                 TEST_DIR=/mnt/test
 360                 TEST_DEV=/dev/sdb1
 361                 SCRATCH_MNT=/mnt/scratch
 362                 SCRATCH_DEV=/dev/sdb2
 363                 TAPE_DEV=/dev/st0
 364                 #RMT_IRIXTAPE_DEV=snort:/dev/tape
 365                 #RMT_TAPE_DEV=icy:/dev/st0
 366                 #RMT_TAPE_USER=guest
 367                 ;;
 368             rosella)
 369                 MODULAR=1
 370                 EMAIL="ajones@sgi.com"
 371                 TEST_DIR=/mnt/test
 372                 TEST_DEV=/dev/sdb1
 373                 SCRATCH_MNT=/mnt/scratch
 374                 SCRATCH_DEV=/dev/sdb3
 375                 TAPE_DEV=/dev/st0
 376                 #RMT_IRIXTAPE_DEV=snort:/dev/tape
 377                 #RMT_TAPE_DEV=icy:/dev/st0
 378                 #RMT_TAPE_USER=guest
 379                 ;;
 380             crackle)
 381                 #irix-crackle
 382                 TEST_DIR=/mnt/xfs
 383                 SCRATCH_MNT=/mnt/xfs2
 384                 TEST_DEV=/dev/dsk/dks0d1s3
 385                 SCRATCH_DEV=/dev/dsk/dks0d1s4
 386                 ;;
 387             tinkle)
 388                 #irix-patchbox-tinkle
 389                 TEST_DEV=/dev/dsk/dks0d2s0
 390                 TEST_DIR=/mnt/xfs_test
 391                 SCRATCH_DEV=/dev/dsk/dks0d2s1
 392                 SCRATCH_MNT=/mnt/xfs_scratch
 393                 ;;
 394             cocky)
 395                 MODULAR=1
 396                 EMAIL="ajones@sgi.com"
 397                 TEST_DIR=/mnt/test
 398                 TEST_DEV=/dev/sdb1
 399                 TEST_LOGDEV=/dev/sdb3
 400                 SCRATCH_MNT=/mnt/scratch
 401                 SCRATCH_DEV=/dev/sdb2
 402                 SCRATCH_LOGDEV=/dev/sdb4
 403                 #SCRATCH_RTDEV=/dev/sdb5
 404                 TAPE_DEV=/dev/st0
 405                 #RMT_IRIXTAPE_DEV=snort:/dev/tape
 406                 #RMT_TAPE_DEV=icy:/dev/st0
 407                 #RMT_TAPE_USER=guest
 408                 ;;
 409             porky)
 410                 #dedicated qa machine (has some values already set)
 411                 [ -z "$MODULAR" ] && MODULAR=1
 412                 EMAIL="ajones@sgi.com"
 413                 [ -z "$TEST_DIR" ] && TEST_DIR=/mnt/test
 414                 [ -z "$TEST_DEV" ] && TEST_DEV=/dev/sdb1
 415                 [ -z "$TEST_LOGDEV" ] && TEST_LOGDEV=/dev/sdb3
 416                 [ -z "$SCRATCH_MNT" ] && SCRATCH_MNT=/mnt/scratch
 417                 [ -z "$SCRATCH_DEV" ] && SCRATCH_DEV=/dev/sdb2
 418                 [ -z "$SCRATCH_LOGDEV" ] && SCRATCH_LOGDEV=/dev/sdb4
 419                 #[ -z "$SCRATCH_RTDEV" ] && SCRATCH_RTDEV=/dev/sdb7
 420                 #[ -z "$TAPE_DEV" ] && TAPE_DEV=/dev/st0
 421                 ;;
 422             puffy)
 423                 MODULAR=1
 424                 EMAIL="tes@sgi.com"
 425                 TEST_DIR=/mnt/test
 426                 TEST_DEV=/dev/sda7
 427                 SCRATCH_MNT=/mnt/scratch
 428                 SCRATCH_DEV=/dev/sda8
 429                 TAPE_DEV=/dev/st0
 430                 ;;
 431             galah)
 432                 MODULAR=1
 433                 EMAIL="ddiss@sgi.com"
 434                 TEST_DIR=/mnt/data
 435                 TEST_DEV=/dev/sdb1
 436                 SCRATCH_MNT=/mnt/scratch
 437                 SCRATCH_DEV=/dev/sda6
 438                 #RMT_IRIXTAPE_DEV=snort:/dev/tape
 439                 #RMT_TAPE_DEV=icy:/dev/st0
 440                 #RMT_TAPE_USER=guest
 441                 ;;
 442              screamer)
 443                 #dedicated qa machine (has some values already set)
 444                 [ -z "$MODULAR" ] && MODULAR=1
 445                 EMAIL="ddiss@sgi.com"
 446                 [ -z "$TEST_DIR" ] && TEST_DIR=/mnt/test
 447                 [ -z "$TEST_DEV" ] && TEST_DEV=/dev/sdb1
 448                 #[ -z "$TEST_LOGDEV" ] && TEST_LOGDEV=/dev/sdb3
 449                 [ -z "$SCRATCH_MNT" ] && SCRATCH_MNT=/mnt/scratch
 450                 [ -z "$SCRATCH_DEV" ] && SCRATCH_DEV=/dev/sdb2
 451                 #[ -z "$SCRATCH_LOGDEV" ] && SCRATCH_LOGDEV=/dev/sdb4
 452                 #[ -z "$SCRATCH_RTDEV" ] && SCRATCH_RTDEV=/dev/sdb5
 453                 ;;
 454              linux-chatz)
 455                 #vmware on pc-chatz
 456                 MODULAR=1
 457                 EMAIL="chatz@sgi.com"
 458                 USE_EXTERNAL=yes
 459                 TEST_DIR="/mnt/data"
 460                 TEST_DEV=/dev/sdd
 461                 TEST_LOGDEV=/dev/sdb
 462                 SCRATCH_MNT=/mnt/scratch
 463                 SCRATCH_DEV=/dev/sdg
 464                 SCRATCH_LOGDEV=/mnt/sde
 465                 ;;
 466              chapter11)
 467                 [ -z "$MODULAR" ] && MODULAR=1
 468                 EMAIL="ddiss@sgi.com"
 469                 [ -z "$TEST_DIR" ] && TEST_DIR=/mnt/test
 470                 [ -z "$TEST_DEV" ] && TEST_DEV=/dev/sdb6
 471                 [ -z "$SCRATCH_MNT" ] && SCRATCH_MNT=/mnt/scratch
 472                 [ -z "$SCRATCH_DEV" ] && SCRATCH_DEV=/dev/sdb7
 473                 ;;
 474              dassi)
 475                 MODULAR=0
 476                 EMAIL="ddiss@sgi.com"
 477                 TEST_DIR=/mnt/test
 478                 TEST_DEV=/dev/dsk/dks0d2s0
 479                 SCRATCH_MNT=/mnt/scratch
 480                 SCRATCH_DEV=/dev/dsk/dks0d2s6
 481                 ;;
 482              *)
 483                 echo "Error: need to define parameters for host $HOST"
 484                 exit 1
 485                 ;;
 486         esac
 487 }
 488
 489 if [ -f "$HOST_OPTIONS" ]; then
 490     . "$HOST_OPTIONS"
 491 else
 492     known_hosts
 493 fi
 494
 495 echo $TEST_DEV | grep -q ":" > /dev/null 2>&1
 496 if [ ! -b "$TEST_DEV" -a "$?" != "0" ]
 497 then
 498     echo "common.config: Error: \$TEST_DEV ($TEST_DEV) is not a block device or a NFS filesystem"
 499     exit 1
 500 fi
 501
 502 if [ ! -d "$TEST_DIR" ]
 503 then
 504     echo "common.config: Error: \$TEST_DIR ($TEST_DIR) is not a directory"
 505     exit 1
 506 fi
 507
 508 echo $SCRATCH_DEV | grep -q ":" > /dev/null 2>&1
 509 if [ ! -z "$SCRATCH_DEV" -a ! -b "$SCRATCH_DEV" -a "$?" != "0" ]
 510 then
 511     echo "common.config: Error: \$SCRATCH_DEV ($SCRATCH_DEV) is not a block device or a NFS filesystem"
 512     exit 1
 513 fi
 514
 515 if [ ! -z "$SCRATCH_MNT" -a ! -d "$SCRATCH_MNT" ]
 516 then
 517     echo "common.config: Error: \$SCRATCH_MNT ($SCRATCH_MNT) is not a directory"
 518     exit 1
 519 fi
 520
 521 _readlink()
 522 {
 523     if [ $# -ne 1 ]
 524     then
 525         echo "Usage: _readlink filename" 1>&2
 526         exit 1
 527     fi
 528
 529     perl -e "\$in=\"$1\";" -e '
 530         $lnk = readlink($in);
 531         if ($lnk =~ m!^/.*!) {
 532           print "$lnk\n";
 533         }
 534         else {
 535           chomp($dir = `dirname $in`);
 536           print "$dir/$lnk\n";
 537         }'
 538 }
 539
 540 # if devfs is running expand the full /dev/.. pathname - this is what will be
 541 # returned by utilities such as mount
 542 [ -L "$TEST_DEV" ] && TEST_DEV=`_readlink $TEST_DEV`
 543 [ -L "$SCRATCH_DEV" ] && SCRATCH_DEV=`_readlink $SCRATCH_DEV`
 544 [ -L "$SCRATCH_LOGDEV" ] && SCRATCH_LOGDEV=`_readlink $SCRATCH_LOGDEV`
 545 [ -L "$SCRATCH_RTDEV" ] && SCRATCH_RTDEV=`_readlink $SCRATCH_LOGDEV`
 546
 547 # make sure this script returns success
 548 /bin/true